Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Leadership styles in two Ghanaian hospitals in a challenging environment
Aberese-Ako, Matilda ; Agyepong, Irene Akua ; DIjk, Han van - \ 2018
Health Policy and Planning 33 (2018). - ISSN 0268-1080 - p. ii16 - ii26.
capacity - Context - frontline health worker - Ghana - hospital managers - leadership - low- and middle-income country - management - motivation

Hospital managers' power to exercise effective leadership in daily management can affect quality of care directly as well as through effects on frontline workers' motivation. This paper explores the influence of contextual factors on hospital managers' leadership styles and the motivation of frontline workers providing maternal and new born care in two public district hospitals in Ghana. It draws on data from an ethnographic study that involved participant observation, conversations and in-depth interviews conducted over 20 months, with frontline health workers and managers. Qualitative analysis software Nvivo 11 was used to facilitate coding, and common patterns emerging from the codes were grouped into themes. Ethical clearance was obtained from the Ghana Health Service Ethical Review Committee. Contextual factors such as institutional rules and regulations and funding constrained managers' power, and influenced leadership styles and responses to expressed and observed needs of frontline workers and clients. The contextual constraints on mangers' responses were a source of demotivation to both managers and frontline workers, as it hampered quality health service provision. Knowing what to do, but sometimes constrained by context, managers described 'feeling sick' and frustrated. On the other hand in the instances where managers' were able to get round the constraints and respond effectively to frontline health workers and clients' needs, they felt encouraged and motivated to work harder. Effective district hospital management and leadership is influenced by contextual factors; and not just individual manager's knowledge and skills. Interventions to strengthen management and leadership of public sector hospitals in low- and middle-income countries like Ghana need to consider context and not just individual managers' skills and knowledge strengthening.

Inventarisatie mestverwerkingsopgave in gemeente Ede en omstreken
Gies, T.J.A. ; Kros, J. ; Voogd, J.C. - \ 2017
Wageningen : Wageningen Environmental Research (Wageningen Environmental Research rapport 2801) - 39
dierlijke meststoffen - mestverwerking - mestoverschotten - gelderland - pluimveemest - varkensmest - capaciteit - animal manures - manure treatment - manure surpluses - poultry manure - pig manure - capacity
Uitbreiden ondanks nieuwe wetgeving?
Berentsen, P.B.M. ; Klootwijk, C.W. ; Middelaar, C.E. van; Boer, I.J.M. de - \ 2015
Veeteelt 32 (2015)19. - ISSN 0168-7565 - p. 12 - 14.
fosfaat - melkveehouderij - landbouw en milieu - capaciteit - productiegroei - verkoopbaar - melkprijzen - productiviteit - phosphate - dairy farming - agriculture and environment - capacity - production growth - saleable - milk prices - productivity
Kunnen bedrijven nog wel ontwikkelen na de komst van de Melkveewet en fosfaatrechten? Onderzoekers in Wageningen brachten via een rekenmodel de gevolgen in kaart. Zij concluderen dat het interessant blijft om beschikbare stalcapaciteit te benutten en dat fosfaatrechten niet snel de limiterende factor zijn.
Endline report – Indonesia, ECPAT MFS II country evaluations
Kusters, C.S.L. ; Wieriks, M. ; Dwi Andari, B. ; Suprobo, N. ; Priyahita, W. ; Sihombing, R.R. ; Rokhmatulloh, S.W. ; Rosita, I. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report / Wageningen UR, Centre for Development Innovation CDI-15-041) - 96
capacity - capacity building - organizational development - organizations - indonesia - south east asia - asia - capaciteit - capaciteitsopbouw - organisatieontwikkeling - organisaties - indonesië - zuidoost-azië - azië
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is Indonesia, ECPAT. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline was carried out in 2012.
Endline report – Indonesia, Good Shepherd Sisters MFS II country evaluations
Kusters, C.S.L. ; Wieriks, M. ; Dwi Andari, B. ; Suprobo, N. ; Priyahita, W. ; Sihombing, R.R. ; Rokhmatulloh, S.W. ; Rosita, I. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report / Wageningen UR, Centre for Development Innovation CDI-15-036) - 80
capacity - capacity building - organizational development - organizations - development projects - indonesia - south east asia - asia - capaciteit - capaciteitsopbouw - organisatieontwikkeling - organisaties - ontwikkelingsprojecten - indonesië - zuidoost-azië - azië
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is Indonesia, GSS. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline was carried out in 2012.
Endline report – Indonesia, Institut Dayakologi MFS II country evaluations
Kusters, C.S.L. ; Wieriks, M. ; Dwi Andari, B. ; Suprobo, N. ; Priyahita, W. ; Sihombing, R.R. ; Rokhmatulloh, S.W. ; Rosita, I. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report / Wageningen UR, Centre for Development Innovation CDI-15-043) - 88
capacity - capacity building - organizational development - organizations - development projects - indonesia - south east asia - asia - capaciteit - capaciteitsopbouw - organisatieontwikkeling - organisaties - ontwikkelingsprojecten - indonesië - zuidoost-azië - azië
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is Indonesia, Institut Dayakologi. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline was carried out in 2012.
Endline report – Indonesia, Rifka Annisa MFS II country evaluations
Kusters, C.S.L. ; Wieriks, M. ; Dwi Andari, B. ; Suprobo, N. ; Priyahita, W. ; Sihombing, R.R. ; Rokhmatulloh, S.W. ; Rosita, I. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report / Wageningen UR, Centre for Development Innovation CDI-15-046) - 80
capacity - capacity building - organizational development - organizations - development projects - indonesia - south east asia - asia - capaciteit - capaciteitsopbouw - organisatieontwikkeling - organisaties - ontwikkelingsprojecten - indonesië - zuidoost-azië - azië
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is Indonesia, Rifka Annisa. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline was carried out in 2012.
Endline report – Indonesia, Wetlands International Indonesia MFS II country evaluations
Kusters, C.S.L. ; Wieriks, M. ; Dwi Andari, B. ; Suprobo, N. ; Priyahita, W. ; Sihombing, R.R. ; Rokhmatulloh, S.W. ; Rosita, I. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report / Wageningen UR, Centre for Development Innovation CDI-15-047) - 92
capacity - capacity building - organizational development - development projects - organizations - indonesia - south east asia - asia - capaciteit - capaciteitsopbouw - organisatieontwikkeling - ontwikkelingsprojecten - organisaties - indonesië - zuidoost-azië - azië
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is Indonesia, WII. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline was carried out in 2012.
Endline report – Indonesia, Yayasan Kelola MFS II country evaluations
Kusters, C.S.L. ; Wieriks, M. ; Dwi Andari, B. ; Suprobo, N. ; Priyahita, W. ; Sihombing, R.R. ; Rokhmatulloh, S.W. ; Rosita, I. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report / Wageningen UR, Centre for Development Innovation CDI-15-049) - 82
capacity - capacity building - organizational development - organizations - development projects - indonesia - south east asia - asia - capaciteit - capaciteitsopbouw - organisatieontwikkeling - organisaties - ontwikkelingsprojecten - indonesië - zuidoost-azië - azië
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is Indonesia, Yayasan Kelola. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline was carried out in 2012.
Endline report – Indonesia, YPI MFS II country evaluations
Kusters, C.S.L. ; Wieriks, M. ; Dwi Andari, B. ; Suprobo, N. ; Priyahita, W. ; Sihombing, R.R. ; Rokhmatulloh, S.W. ; Rosita, I. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report / Wageningen UR, Centre for Development Innovation CDI-15-050) - 100
capacity - capacity building - organizational development - organizations - development projects - indonesia - south east asia - asia - capaciteit - capaciteitsopbouw - organisatieontwikkeling - organisaties - ontwikkelingsprojecten - indonesië - zuidoost-azië - azië
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is Indonesia, YPI. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline was carried out in 2012.
Endline report – Indonesia, YRBI MFS II country evaluations
Kusters, C.S.L. ; Wieriks, M. ; Dwi Andari, B. ; Suprobo, N. ; Priyahita, W. ; Sihombing, R.R. ; Rokhmatulloh, S.W. ; Rosita, I. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report / Wageningen UR, Centre for Development Innovation CDI-15-051) - 104
capacity - capacity building - organizational development - organizations - development projects - indonesia - south east asia - asia - capaciteit - capaciteitsopbouw - organisatieontwikkeling - organisaties - ontwikkelingsprojecten - indonesië - zuidoost-azië - azië
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is Indonesia, YRBI. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline was carried out in 2012.
Endline report – Liberia, BSC MFS II country evaluations
Gotomo, S. ; Peters, B. ; Kusters, C.S.L. ; Peabody, S. ; Washington Gopeya, M. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report / Wageningen UR, Centre for Development Innovation CDI-15-011) - 118
capacity - capacity building - organizational development - organizations - liberia - west africa - africa - capaciteit - capaciteitsopbouw - organisatieontwikkeling - organisaties - west-afrika - afrika
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is Liberia, BSC. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline was carried out in 2012.
Endline report – Liberia, DEN-L MFS II country evaluations
Gotomo, S. ; Peters, B. ; Kusters, C.S.L. ; Peabody, S. ; Washington Gopeya, M. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report / Wageningen UR, Centre for Development Innovation CDI-15-006) - 92
capacity - capacity building - organizational development - organizations - development projects - liberia - west africa - africa - capaciteit - capaciteitsopbouw - organisatieontwikkeling - organisaties - ontwikkelingsprojecten - west-afrika - afrika
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is Liberia, DEN-L. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline was carried out in 2012.
Endline report – Liberia, NAWOCOL MFS II country evaluations
Gotomo, S. ; Peters, B. ; Kusters, C.S.L. ; Peabody, S. ; Washington Gopeya, M. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report / Wageningen UR, Centre for Development Innovation CDI-15-007) - 88
capacity - capacity building - organizational development - organizations - development projects - liberia - west africa - africa - capaciteit - capaciteitsopbouw - organisatieontwikkeling - organisaties - ontwikkelingsprojecten - west-afrika - afrika
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is Liberia, NAWOCOL. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline was carried out in 2012.
Endline report – Liberia, RHRAP MFS II country evaluations
Gotomo, S. ; Peters, B. ; Kusters, C.S.L. ; Peabody, S. ; Washington Gopeya, M. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report / Wageningen UR, Centre for Development Innovation CDI-15-010) - 110
capacity - capacity building - organizational development - organizations - development projects - liberia - west africa - africa - capaciteit - capaciteitsopbouw - organisatieontwikkeling - organisaties - ontwikkelingsprojecten - west-afrika - afrika
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is Liberia, RHRAP. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline was carried out in 2012.
Endline report – India, BVHA MFS II country evaluations
Kusters, C.S.L. ; Prasad Mohapatra, B. ; Sethi, S. ; Buizer, N.N. ; Das, A. ; Wilson Bhatra, R. ; Sen, P. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report / Wageningen UR, Centre for Development Innovation CDI-15-012) - 128
capacity - capacity building - organizational development - organizations - development projects - india - south asia - asia - capaciteit - capaciteitsopbouw - organisatieontwikkeling - organisaties - ontwikkelingsprojecten - zuid-azië - azië
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is India, FFID. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline was carried out in 2012.
Endline report – India, COUNT MFS II country evaluations
Kusters, C.S.L. ; Prasad Mohapatra, B. ; Sethi, S. ; Buizer, N.N. ; Das, A. ; Wilson Bhatra, R. ; Sen, P. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report / Wageningen UR, Centre for Development Innovation CDI-15-003) - 112
capacity - capacity building - organizational development - organizations - development projects - india - south asia - asia - capaciteit - capaciteitsopbouw - organisatieontwikkeling - organisaties - ontwikkelingsprojecten - zuid-azië - azië
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is India , COUNT. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline was carried out in 2012.
Endline report – India, FFID MFS II country evaluations
Kusters, C.S.L. ; Prasad Mohapatra, B. ; Sethi, S. ; Buizer, N.N. ; Das, A. ; Wilson Bhatra, R. ; Sen, P. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report / Wageningen UR, Centre for Development Innovation CDI-15-002) - 106
capacity - capacity building - organizational development - organizations - development projects - india - south asia - asia - capaciteit - capaciteitsopbouw - organisatieontwikkeling - organisaties - ontwikkelingsprojecten - zuid-azië - azië
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is India, FFID. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline was carried out in 2012.
Endline report – India, Jana Vikas MFS II country evaluations
Kusters, C.S.L. ; Prasad Mohapatra, B. ; Sethi, S. ; Buizer, N.N. ; Das, A. ; Wilson Bhatra, R. ; Sen, P. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report / Wageningen UR, Centre for Development Innovation CDI-15-016) - 106
capacity - capacity building - organizational development - organizations - development projects - india - south asia - asia - capaciteit - capaciteitsopbouw - organisatieontwikkeling - organisaties - ontwikkelingsprojecten - zuid-azië - azië
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is India, Jana Vikas. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline was carried out in 2012.
Endline report – India, NEDSSS MFS II country evaluations
Kusters, C.S.L. ; Prasad Mohapatra, B. ; Sethi, S. ; Buizer, N.N. ; Das, A. ; Wilson Bhatra, R. ; Sen, P. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report / Wageningen UR, Centre for Development Innovation CDI-15-020) - 94
capacity - capacity building - organizational development - organizations - development projects - india - south asia - asia - capaciteit - capaciteitsopbouw - organisatieontwikkeling - organisaties - ontwikkelingsprojecten - zuid-azië - azië
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is India, NEDSSS. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline was carried out in May 2013.
Endline report – India, RGVN MFS II country evaluations
Kusters, C.S.L. ; Prasad Mohapatra, B. ; Sethi, S. ; Buizer, N.N. ; Das, A. ; Wilson Bhatra, R. ; Sen, P. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report / Wageningen UR, Centre for Development Innovation CDI-15-021) - 94
capacity - capacity building - organizational development - organizations - development projects - india - south asia - asia - capaciteit - capaciteitsopbouw - organisatieontwikkeling - organisaties - ontwikkelingsprojecten - zuid-azië - azië
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is India, RGVN. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline workshop was carried out in 2012 (interview with director in 2013).
Endline report – India, Samarthak Samiti MFS II country evaluations
Kusters, C.S.L. ; Prasad Mohapatra, B. ; Sethi, S. ; Buizer, N.N. ; Das, A. ; Wilson Bhatra, R. ; Sen, P. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report / Wageningen UR, Centre for Development Innovation CDI-15-014) - 92
capacity - capacity building - organizational development - organizations - development projects - india - south asia - asia - capaciteit - capaciteitsopbouw - organisatieontwikkeling - organisaties - ontwikkelingsprojecten - zuid-azië - azië
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is India, Samarthak Samiti. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline was carried out in 2012.
Endline report – India, Shivi Development Society MFS II country evaluations
Kusters, C.S.L. ; Prasad Mohapatra, B. ; Sethi, S. ; Buizer, N.N. ; Das, A. ; Wilson Bhatra, R. ; Sen, P. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report / Wageningen UR, Centre for Development Innovation CDI-15-013) - 86
capacity - capacity building - organizational development - organizations - development projects - india - south asia - asia - capaciteit - capaciteitsopbouw - organisatieontwikkeling - organisaties - ontwikkelingsprojecten - zuid-azië - azië
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is India, Shivi Development Society. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline was carried out in 2012.
Endline report – India, Smile Foundation MFS II country evaluations
Kusters, C.S.L. ; Prasad Mohapatra, B. ; Sethi, S. ; Buizer, N.N. ; Das, A. ; Wilson Bhatra, R. ; Sen, P. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report / Wageningen UR, Centre for Development Innovation CDI-15-004) - 112
capacity - capacity building - organizational development - organizations - development projects - india - south asia - asia - capaciteit - capaciteitsopbouw - organisatieontwikkeling - organisaties - ontwikkelingsprojecten - zuid-azië - azië
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is India, Smile Foundation. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline was carried out in 2012.
Endline report – Ethiopia, Amref MFS II country evaluations
Ingen, T. van; Kusters, C.S.L. ; Buizer, N.N. ; Zerfu, E. ; Kefyalew, D. ; Getu, D. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report / Wageningen UR, Centre for Development Innovation CDI-15-031) - 112
development - community development - development cooperation - evaluation - ethiopia - netherlands - poverty - social participation - civil society - capacity - ontwikkeling - gemeenschapsontwikkeling - ontwikkelingssamenwerking - evaluatie - ethiopië - nederland - armoede - sociale participatie - maatschappelijk middenveld - capaciteit
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is Ethiopia, Amref. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline was carried out in 2012.
Endline report – Ethiopia, CARE Ethiopia MFS II country evaluations
Ingen, T. van; Kusters, C.S.L. ; Zerfu, E. ; Kefyalew, D. ; Peters, B. ; Buizer, N.N. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report / Wageningen UR, Centre for Development Innovation CDI-15-057) - 78
civil society - community development - development - development cooperation - evaluation - ethiopia - netherlands - poverty - social participation - capacity - maatschappelijk middenveld - gemeenschapsontwikkeling - ontwikkeling - ontwikkelingssamenwerking - evaluatie - ethiopië - nederland - armoede - sociale participatie - capaciteit
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is Ethiopia, CARE Ethiopia. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline was carried out in 2012.
Endline report – Ethiopia, ECFA MFS II country evaluations
Ingen, T. van; Kusters, C.S.L. ; Zerfu, E. ; Kefyalew, D. ; Getu, D. ; Buizer, N.N. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report / Wageningen UR, Centre for Development Innovation CDI-15-054) - 110
civil society - community development - development cooperation - evaluation - ethiopia - netherlands - poverty - social participation - capacity - maatschappelijk middenveld - gemeenschapsontwikkeling - ontwikkelingssamenwerking - evaluatie - ethiopië - nederland - armoede - sociale participatie - capaciteit
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is Ethiopia, ECFA. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline was carried out in 2012.
Endline report – Ethiopia, TTCA MFS II country evaluations
Ingen, T. van; Kusters, C.S.L. ; Zerfu, E. ; Kefyalew, D. ; Getu, D. ; Peters, B. ; Buizer, N.N. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report / Wageningen UR, Centre for Development Innovation CDI-15-053) - 74
civil society - community development - development cooperation - evaluation - ethiopia - netherlands - poverty - social participation - capacity - maatschappelijk middenveld - gemeenschapsontwikkeling - ontwikkelingssamenwerking - evaluatie - ethiopië - nederland - armoede - sociale participatie - capaciteit
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is Ethiopia, TTCA. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline was carried out in 2012.
Endline report – Ethiopia, NVEA MFS II country evaluations
Ingen, T. van; Kusters, C.S.L. ; Zerfu, E. ; Kefyalew, D. ; Getu, D. ; Peters, B. ; Buizer, N.N. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report / Wageningen UR, Centre for Development Innovation CDI-15-052) - 76
civil society - community development - development cooperation - evaluation - ethiopia - netherlands - poverty - social participation - capacity - maatschappelijk middenveld - gemeenschapsontwikkeling - ontwikkelingssamenwerking - evaluatie - ethiopië - nederland - armoede - sociale participatie - capaciteit
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is Ethiopia, NVEA. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline was carried out in 2012.
Endline report – Ethiopia, HUNDEE MFS II country evaluations
Ingen, T. van; Kusters, C.S.L. ; Zerfu, E. ; Kefyalew, D. ; Peters, B. ; Buizer, N.N. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report / Wageningen UR, Centre for Development Innovation CDI-15-059) - 116
civil society - community development - development cooperation - evaluation - ethiopia - netherlands - poverty - social participation - capacity - maatschappelijk middenveld - gemeenschapsontwikkeling - ontwikkelingssamenwerking - evaluatie - ethiopië - nederland - armoede - sociale participatie - capaciteit
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is Ethiopia, HUNDEE. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline was carried out in 2012.
Endline report – Ethiopia, HOA-REC MFS II country evaluations
Ingen, T. van; Kusters, C.S.L. ; Zerfu, E. ; Kefyalew, D. ; Peters, B. ; Buizer, N.N. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report / Wageningen UR, Centre for Development Innovation CDI-15-058) - 84
civil society - community development - development - development cooperation - evaluation - ethiopia - netherlands - poverty - social participation - capacity - maatschappelijk middenveld - gemeenschapsontwikkeling - ontwikkeling - ontwikkelingssamenwerking - evaluatie - ethiopië - nederland - armoede - sociale participatie - capaciteit
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is Ethiopia, HOA-REC. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline was carried out in 2012.
Endline report – Ethiopia, FSCE MFS II country evaluations
Ingen, T. van; Kusters, C.S.L. ; Zerfu, E. ; Kefyalew, D. ; Buizer, N.N. - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (CDI rapporten CDI-15-055) - 104
development - community development - civil society - development cooperation - evaluation - ethiopia - netherlands - poverty - social participation - capacity - ontwikkeling - gemeenschapsontwikkeling - maatschappelijk middenveld - ontwikkelingssamenwerking - evaluatie - ethiopië - nederland - armoede - sociale participatie - capaciteit
This report presents the findings of the endline of the evaluation of the organisational capacity component of the MFS II country evaluations. The focus of this report is Ethiopia, FSCE. The format is based on the requirements by the synthesis team and NWO/WOTRO. The endline was carried out in 2014. The baseline was carried out in 2012.
Authentication of Geographical Origin and Crop System of Grape Juices by Phenolic Compounds and Antioxidant Activity Using Chemometrics
Granato, D. ; Koot, A.H. ; Schnitzler, E. ; Ruth, S.M. van - \ 2015
Journal of Food Science 80 (2015)3. - ISSN 0022-1147 - p. C584 - C593.
in-vitro - red wines - oxidative stress - fruit juices - rats - capacity - vivo - mechanism - profile
The main goal of this work was to propose an authentication model based on the phenolic composition and antioxidant and metal chelating capacities of purple grape juices produced in Brazil and Europe in order to assess their typicality. For this purpose, organic, conventional, and biodynamic grape juices produced in Brazil (n = 65) and in Europe (n = 31) were analyzed and different multivariate class-modeling and classification statistical techniques were employed to differentiate juices based on the geographical origin and crop system. Overall, Brazilian juices, regardless of the crop system adopted, presented higher contents of total phenolic compounds and flavonoids, total monomeric anthocyanins, proanthocyanidins, flavonols, flavanols, cyanidin-3-glucoside, delphinidin-3-glucoside, and malvidin-3,5-glucoside. No differences were observed for trans-resveratrol, malvidin-3-glucoside, and pelargonidin-3-glucoside between countries and among crop systems. A total of 91% of Brazilian and 97% of European juices were adroitly classified using partial least squares discriminant analysis when the producing region was considered (92% efficiency), in which the free-radical scavenging activity toward 2,2-diphenyl-1-picrylhydrazyl, content of total phenolic compounds, gallic acid, and malvidin-3-glucoside were the variables responsible for the classification. Intraregional models based on soft independent modeling of class analogy were able to differentiate organic from conventional Brazilian juices as well as conventional and organic/biodynamic European juices.
The Myanmar dairy sector : a quickscan of opportunities
Lee, J. van der; Jong, M.J. ; Thant, A.M. ; Oo, T. ; Lynn, P.K. ; Ren, X. - \ 2014
Wageningen : Wageningen UR Livestock Research (Livestock research report 824) - 55
myanmar - zuivelindustrie - productiemogelijkheden - landbouwontwikkeling - capaciteit - strategisch management - toekomst - melkveehouderij - dairy industry - production possibilities - agricultural development - capacity - strategic management - future - dairy farming
This report describes the Myanmar dairy sector and opportunities for development, for private as well as public actors. It describes the dairy market, dairy farming systems, and the enabling environment for dairy. A number of business opportunities are listed. It concludes with recommendations on dairy clusters, dairy strategy development , and capacity development activities.
Analytical Strategy Coupled with Response Surface Methodology To Maximize the Extraction of Antioxidants from Ternary Mixtures of Green, Yellow, and Red Teas (Camillia sinensis var. Sinensis)
Granato, D. ; Grevink, R. ; Zielinski, R. ; Nunes, D.S. ; Ruth, S.M. van - \ 2014
Journal of Agricultural and Food Chemistry 62 (2014)42. - ISSN 0021-8561 - p. 10283 - 10296.
ilex-paraguariensis - optimization - capacity - white - assay - polyphenols - catechins
This work aimed at using a simplex-centroid design to model the effects of green, yellow, and red tea mixtures (Camellia sinensis var. sinensis) on metal chelation activity, phenolic composition, antioxidant activity, and instrumental taste profile. The regression models that described the extraction of flavan-3-ols, o-diphenols, total phenolic compounds (TPC), free radical scavenging activity toward 2,2-diphenyl-1-picrylhydrazyl radical (DPPH), cupric ion reducing antioxidant activity (CUPRAC), and ferric reducing antioxidant power (FRAP) were significant, and data were fit satisfactorily (R2 > 80%). A mixture of green and red teas had a synergism in CUPRAC and TPC, whereas a mixture of yellow and red teas had a positive effect on CUPRAC and DPPH. An optimization was performed to maximize the antioxidant activity and flavan-3-ol content and to render a tea with mild bitterness, and results showed that a mixture of 14.81% green, 56.86% yellow, and 28.33% red teas would be the most suitable combination of factors.
Impact of diet and individual variation on intestinal microbiota composition and fermentation products in obese men
Salonen, A. ; Lahti, L.M. ; Salojärvi, J. ; Holtrop, G. ; Korpela, K. ; Duncan, S.H. ; Date, P. ; Farquharson, F. ; Johnstone, A.M. ; Lobley, G.E. ; Louis, P. ; Flint, H.J. ; Vos, W.M. de - \ 2014
ISME Journal 8 (2014). - ISSN 1751-7362 - p. 2218 - 2230.
gut microbiota - phylogenetic microarray - resistant starch - metabolic syndrome - health - bifidobacteria - bacterial - capacity - indexes - adults
There is growing interest in understanding how diet affects the intestinal microbiota, including its possible associations with systemic diseases such as metabolic syndrome. Here we report a comprehensive and deep microbiota analysis of 14 obese males consuming fully controlled diets supplemented with resistant starch (RS) or non-starch polysaccharides (NSPs) and a weight-loss (WL) diet. We analyzed the composition, diversity and dynamics of the fecal microbiota on each dietary regime by phylogenetic microarray and quantitative PCR (qPCR) analysis. In addition, we analyzed fecal short chain fatty acids (SCFAs) as a proxy of colonic fermentation, and indices of insulin sensitivity from blood samples. The diet explained around 10% of the total variance in microbiota composition, which was substantially less than the inter-individual variance. Yet, each of the study diets induced clear and distinct changes in the microbiota. Multiple Ruminococcaceae phylotypes increased on the RS diet, whereas mostly Lachnospiraceae phylotypes increased on the NSP diet. Bifidobacteria decreased significantly on the WL diet. The RS diet decreased the diversity of the microbiota significantly. The total 16S ribosomal RNA gene signal estimated by qPCR correlated positively with the three major SCFAs, while the amount of propionate specifically correlated with the Bacteroidetes. The dietary responsiveness of the individual’s microbiota varied substantially and associated inversely with its diversity, suggesting that individuals can be stratified into responders and non-responders based on the features of their intestinal microbiota.
Visualizing stakeholder perspectives for reflection and dialogue on scale dynamics in social–ecological systems
Vervoort, J.M. ; Hoogstra, M.A. ; Kok, K. ; Lammeren, R.J.A. van; Bregt, A.K. ; Janssen, R. - \ 2014
Human Ecology Review 20 (2014)2. - ISSN 1074-4827 - p. 157 - 181.
scenario development - global change - time - capacity - limits
An understanding among societal actors of how social–ecological systems interact across multiple levels and scales contributes to better governance of those systems. This paper introduces a tool, Scale Perspectives, developed to help societal actors share their perspectives on issues of social–ecological systems governance in a multilevel framework. A first version showed that participants in a local and European case study associated a diverse range of levels and time frames with the same issues, but the version was not able to capture cross-level dynamics. A second version of the tool did allow for the visualization of cross-level dynamics, and was tested in live workshops where more opportunities for individual and group reflection were offered. The tool proved useful for sharing perspectives and strategic dialogue among the participants. The results show the potential of such tools to help societal actors tackle challenges related to scale dynamics in social–ecological systems governance.
Improved starch recovery from potatoes by enzymes and reduced water holding of the residual fibres
Ramaswamy, U.R. ; Lips, S.J.J. ; Bakker, R.R. ; Gruppen, H. ; Kabel, M.A. - \ 2014
Carbohydrate Polymers 113 (2014). - ISSN 0144-8617 - p. 256 - 263.
dietary fiber - in-vitro - polygalacturonase - capacity
During the industrial extraction of starch from potatoes (Seresta), some starch remains within undisrupted potato cells in the fibrous side-stream. The aim of this study was to investigate if enzymatic degradation of cell wall polysaccharides (CWPs) can enhance starch recovery and lower the water holding capacity (WHC) of the “fibre” fraction. The use of a pectinase-rich preparation recovered 58% of the starch present in the “fibre” fraction. Also, the “fibre” fraction retained only 40% of the water present in the non-enzyme treated “fibre”. This was caused by the degradation of pectins, in particular arabinogalactan side chains calculated as the sum of galactosyl and arabinosyl residues.
Adaptive livelihood strategies employed by farmers to close the food gap in semi-arid south eastern Zimbabwe
Murungweni, C. ; Wijk, M.T. van; Giller, K.E. ; Andersson, J.A. ; Smaling, E.M.A. - \ 2014
Food Security 6 (2014)3. - ISSN 1876-4517 - p. 313 - 326.
climate-change - developing-countries - drought - adaptation - resilience - vulnerability - africa - management - responses - capacity
Rural households in semi-arid areas of southern Africa are confronted with numerous hazards that threaten the household food base. The new wildlife policy of establishing transfrontier conservation areas aims to increase conservation of wildlife resources while improving local livelihoods. This policy can be better appreciated by local people if it embraces knowledge of the adaptive strategies they employ to close the food gap. We assessed how different households responded to the major hazard, drought, in order to gain insight into how these households addressed critical questions of food availability. Informal interviews, key informant interviews and focus group discussions were conducted to determine how households can be disaggregated according to their livelihood patterns and a questionnaire was applied to learn how each group responded to drought. Data were analysed within the three livelihood types that were identified and described at local level as cattle-based, crop-based and non-farm based. We found that factors that aggravated the effects of drought are specific to the different household types and their responses were also specific to that particular household type. Disaggregation of the livelihood types revealed within and between type relations and interactions that are important to people in order to cope. For example, even though cropping is an important activity across the three livelihood types, specifically in cattle and crop-based types, the non-farm type becomes important in restocking inputs after a serious drought through cross-border trading. Livestock and cross-border trading are important coping strategies for all three livelihood types, with the cattle-based trading cattle, the crop-based trading goats and poultry and the non-farm based linking with markets for trading livestock, drugs and restocked inputs for the cattle-based and crop-based groups. These linkages among livelihood types are important factors in reducing vulnerability to change that only become visible as a result of this disaggregation. We conclude that additional policies of enhancing the resilience of local food systems by stimulating across-border livestock trading and formal market set-up and enhancing systems of adaptation that are already in existence (e.g., crop production in the Banyeni) can add value to the success of transfrontier conservation areas in southern Africa.
Assessment of the production capacity of ELCOMEX Aqua Srl
Kamstra, A. - \ 2014
IJmuiden : IMARES (Report / IMARES Wageningen UR C099/14) - 14
visteelt - viskwekerijen - tarbot - visproductie - capaciteit - roemenië - fish culture - fish farms - turbot - fish production - capacity - romania
In this report an estimate is given of the production capacity of the turbot farm of ELCOMEX in Constanta (Romania) based on available literature and a visit to the farm.
Direct estimate of cocoa powder content in cakes by colorimetry and photoacoustic spectroscopy
Doka, O. ; Bicanic, D.D. ; Kulcsar, R. - \ 2014
International Journal of Thermophysics 35 (2014)12. - ISSN 0195-928X - p. 2206 - 2214.
phenolic content - theobroma-cacao - antioxidant - quantification - polyphenols - chocolate - capacity - beans - fat
Cocoa is a very important ingredient in the food industry and largely consumed worldwide. In this investigation, colorimetry and photoacoustic spectroscopy were used to directly assess the content of cocoa powder in cakes; both methods provided satisfactory results. The calibration curve was constructed using a series of home-made cakes containing varying amount of cocoa powder. Then, at a later stage, the same calibration curve was used to quantify the cocoa content of several commercially available cakes. For self-made cakes, the relationship between the PAS signal and the content of cocoa powder was linear while a quadratic dependence was obtained for the colorimetric index TeX (brightness) and total color difference
Exploratory study on Rwanda’s Seed Sector : Options for Dutch support
Broek, J.A. van den; Byakweli, J.M. - \ 2014
Wageningen : Centre for Development Innovation, Wageningen UR (CDI rapporten CDI-14-002) - 22
zaaizaadindustrie - vermeerderingsmateriaal - rwanda - landbouwbeleid - capaciteit - governance - voedselzekerheid - seed industry - propagation materials - agricultural policy - capacity - food security
The exploratory study of Rwanda’s seed sector has been commissioned by the Embassy of the Kingdom of the Netherlands in Kigali (EKN-KIG), in support of its Food Security portfolio. The objectives of the study have been to: analyze the institutional landscape of Rwanda’s seed sector in terms of its capacities, governance and coordination; and advice EKN-KIG on policy issues, and potential activities to support Rwanda’s seed sector.
Impact of oral vancomycin on gut microbiota, bile acid metabolism, and insulin sensitivity
Vrieze, A. ; Out, C. ; Fuentes Enriquez de Salamanca, S. ; Jonker, L. ; Reuling, I. ; Kootte, R.S. ; Nood, E. van; Holleman, F. ; Knaapen, M. ; Romijn, J.A. ; Soeters, M.R. ; Blaak, E.E. ; Dallinga-Thie, G.M. ; Reijnders, D. ; Ackermans, M.T. ; Serlie, M.J. ; Knop, F.K. ; Holst, J.J. ; Ley, C.V. ; Kema, I.P. ; Zoetendal, E.G. ; Vos, W.M. de; Hoekstra, J.B. ; Stroes, E.S. ; Groen, A.K. ; Nieuwdorp, M. - \ 2014
Journal of Hepatology 60 (2014)4. - ISSN 0168-8278 - p. 824 - 831.
salt hydrolase activity - diet-induced obesity - intestinal microbiota - energy-expenditure - mice - resistance - adiposity - glucagon - capacity - humans
BACKGROUND: Obesity has been associated with changes in the composition and function of the intestinal microbiota. Modulation of the microbiota by antibiotics also alters bile acid and glucose metabolism in mice. Hence, we hypothesized that short term administration of oral antibiotics in humans would affect fecal microbiota composition and subsequently bile acid and glucose metabolism. METHODS: In this single blinded randomized controlled trial, 20 male obese subjects with metabolic syndrome were randomized to 7 days of amoxicillin 500mg t.i.d. or 7 days of vancomycin 500mg t.i.d. At baseline and after 1 week of therapy, fecal microbiota composition (Human Intestinal Tract Chip phylogenetic microarray), fecal and plasma bile acid concentrations as well as insulin sensitivity (hyperinsulinemic euglycemic clamp using [6,6-2H2]-glucose tracer) were measured. RESULTS: Vancomycin reduced fecal microbial diversity with a decrease of gram-positive bacteria (mainly Firmicutes) and a compensatory increase in gram-negative bacteria (mainly Proteobacteria). Concomitantly, vancomycin decreased fecal secondary bile acids with a simultaneous postprandial increase in primary bile acids in plasma (p
Formal/Informal Dialectics and the Self-Transformation of Spatial Planning Systems: An Exploration
Assche, K.A.M. van; Beunen, R. ; Duineveld, M. - \ 2014
Administration and Society 46 (2014)6. - ISSN 0095-3997 - p. 654 - 683.
danube delta - institutions - governance - informality - management - property - participation - subcultures - insurgence - capacity
In this article, we present a perspective on the interaction between formal and informal institutions in spatial planning in which they transform each other continuously, in processes that can be described and analyzed as ongoing reinterpretations. The effects of configurations and dialectics are often ambiguous, only partially observable, different in different domains and at different times. By means of analyses of key concepts in planning theory and practice, this perspective is illustrated and developed. Finally, we analyze transformation options in pla-ning systems, emphasizing the limits of formal institutions in transforming formal/informal configurations, and stressing the importance of judgment and conflict.
Joint development of insight into colloid stability and surface conduction
Lyklema, J. - \ 2014
Colloids and Surfaces. A: Physicochemical and Engineering Aspects 440 (2014). - ISSN 0927-7757 - p. 161 - 169.
electrical double-layer - silver-iodide - streaming potentials - particles - electrolytes - electrochemistry - interface - emulsions - capacity - mercury
This paper presents a historical overview of the parallels between the developments of colloid stability and surface conductivity. Starting from the situation during the Second World War, the interaction between the developments of these two branches of science appeared mutually beneficial. In particular, the properties of the non-diffuse parts of the double layers drew much attention. Implementations in the direction of future developments are given.
A unit stream power based sediment transport function for overland flow
Ali, M. ; Seeger, K.M. ; Sterk, G. ; Moore, D. - \ 2013
Catena 101 (2013). - ISSN 0341-8162 - p. 197 - 204.
soil-erosion model - capacity - catchment - equations - detachment - eurosem - beds - load
Soil erosion is a serious global problem requiring effective modeling for accurate assessment of sensitive areas and related erosion rates. The outcome of soil erosion models depends strongly on the estimation of sediment transport capacity. In most of the existing spatially distributed soil erosion models sediment transport capacity of overland flow is often estimated using stream flow transport capacity functions. The applicability of stream flow functions to overland flow conditions is questionable because hydraulic conditions like flow depth, slope steepness and surface roughness under overland flow are substantially different from stream flow conditions. Hence, the main objectives of this study were i) to check the suitability of five existing well known and widely used transport capacity functions (Yalin 1963; Low, 1989; Govers, 1990; modified Engelund and Hansen (Smith et al., 1995); and Abrahams et al., 2001) for use under overland flow conditions, and ii) to derive a new function based on unit stream power by dimensional analysis to quantify transport capacity for overland flow. To accomplish the objectives, experiments in a 3.0 m long and 0.5 m wide flume were carried out using four different sands (0.230, 0.536, 0.719, and 1.022 mm). The unit discharges used for experimentation ranged from 0.07 to 2.07 x 10(-3) m(2) s(-1) and slopes ranged from 5.2 to 17.6%. In this study, none of the predictions with the existing functions was in good agreement with measured results over the whole range of experimental conditions, especially at low flow intensities. The percentages of observations in which the discrepancy ratio ranged between 0.5 and 2.0 were: 65% (Yalin 1963), 74% (Low, 1989), 57% (Govers, 1990), 54% (modified Engelund and Hansen (Smith et al., 1995)), and 25% (Abrahams et al., 2001). The results showed that the selected functions reasonably estimate transport capacities only under those ranges of conditions for which they were formulated. Although the excess.shear stress concept based function (i.e. Low's function) produced excellent results, the degree of accuracy of the results varied substantially with grain size (P.O.(0.5-2.0): 53-100%). In contrast, the performance of the Govers' function, which is based on the unit stream power concept, was quite similar for all the selected sands (P.O.(0.5-2.0): 50-63%). Based on the unit stream power concept, a new function for low flow intensities was derived by dimensional analysis using the data gained from the flume experiments. (c) 2012 Elsevier B.V. All rights reserved.
Soluble Antioxidant Compounds Regenerate the Antioxidants Bound to Insoluble Parts of Foods
Celik, E.E. ; Gökmen, V. ; Fogliano, V. - \ 2013
Journal of Agricultural and Food Chemistry 61 (2013)43. - ISSN 0021-8561 - p. 10329 - 10334.
dietary fiber - phenolic-compounds - health - capacity
This study aimed to investigate the regeneration potential of antioxidant capacity of an insoluble food matrix. Investigations were performed in vitro with several food matrices rich in dietary fiber (DF) and bound antioxidants. After removal of the soluble fraction, the antioxidant capacity (AC) of the insoluble fraction was measured by the QUENCHER procedure using ABTS(•+) or DPPH(•) radicals. After measurement, the insoluble residue was washed out to remove the excess of radicals and treated with pure antioxidant solution or antioxidant-rich beverage to regenerate depleted antioxidants on the fiber. Results revealed that the antioxidant capacity of compounds chemically bound to the insoluble moiety could be reconstituted in the presence of other hydrogen-donating substances in the liquid phase. Regeneration efficiency was found to range between 21.5 and 154.3% depending on the type of insoluble food matrix and regeneration agent. Among the food matrices studied, cereal products were found to have slightly higher regeneration efficiency, whereas antioxidant-rich beverages were more effective than pure antioxidants as regeneration agents. Taking wheat bran as reference insoluble material, the regeneration abilities of beverages were in the following order: green tea > espresso coffee > black tea > instant coffee > orange juice > red wine. These results highlighted the possible physiological relevance of antioxidants bound to the insoluble food material in the gastrointestinal tract. During the digestion process they could react with the free radicals and at the same time they can be regenerated by other soluble antioxidant compounds present in the meal
Analysis of finite-buffer state-dependent bulk queues
Germs, R. ; Foreest, N. - \ 2013
OR Spektrum 35 (2013)3. - ISSN 0171-6468 - p. 563 - 583.
service processes - arrival - capacity - probabilities - computation - operations - models - input
In this paper, we consider a general state-dependent finite-buffer bulk queue in which the rates and batch sizes of arrivals and services are allowed to depend on the number of customers in queue and service batch sizes. Such queueing systems have rich applications in manufacturing, service operations, computer and telecommunication systems. Interesting examples include batch oven processes in the aircraft and semiconductor industry; serving of passengers by elevators, shuttle buses, and ferries; and congestion control mechanisms to regulate transmission rates in packet-switched communication networks. We develop a unifying method to study the performance of this general class of finite-buffer state-dependent bulk queueing systems. For this purpose, we use semi-regenerative analysis to develop a numerically stable method for calculating the limiting probability distribution of the queue length process. Based on the limiting probabilities, we present various performance measures for evaluating admission control and batch service policies, such as the loss probability for an arriving group of customers and for individual customers within a group. We demonstrate our method by means of numerical examples
Phenolic compound contents and antioxidant activity in plants with nutritional and/or medicinal properties form the Peruvian Andean region
Chirinos, R. ; Pedreschi Plasencia, R.P. ; Rogez, H. - \ 2013
Industrial Crops and Products 47 (2013). - ISSN 0926-6690 - p. 145 - 152.
capacity - extracts - assay - profiles - leaves - fruits
Total phenolic compounds (TPC) and antioxidant activities using different assays (DPPH, ABTS and ORAC) in fruits, grains, leaves, seeds, roots and tubers from 27 different Peruvian Andean plants used in folk medicine or/and as food by the native population were evaluated in order to use these as natural antioxidant compounds. Total flavanoids (TFA), total flavonoids (TFO) and total anthocyanins (TA) were also determined. In general, the samples with the highest TPC values had the highest antioxidant activities. Leaves (e.g., Alnus acuminate, Clinopodium bolivianum, Lepechinia meyenii (Walp) and Mutisia acuminate), fruits (e.g., Sambucus peruviana), tubers (e.g., Tropaeolum tuberosum) and seed (e.g., Lupinus mutabilis) sparked attention due to their high TPC and antioxidant activities. Results from this study highlight the biodiversity of the Andean Region of Peru where plants with high TPC and antioxidant properties grow. Thus, these plants can be considered as promising sources of antioxidant phytochemicals.
Antioxidant potential of hydrolyzed polyphenolic extracts from tara (Caesalpinia spinosa) pods
Chambi, F. ; Chirinos, R. ; Pedreschi Plasencia, R.P. ; et al., - \ 2013
Industrial Crops and Products 47 (2013). - ISSN 0926-6690 - p. 168 - 175.
tropaeolum-tuberosum ruiz - betula-pubescens - tannic-acid - leaves - capacity - gallotannins - derivatives - sinensis - solvent - ability
The antioxidant potential of tara pod extracts rich in gallotannins submitted to chemical hydrolysis was evaluated. The increase in the release of gallic acid from the tara pod extracts during the hydrolysis process reached a maximum ratio of free gallic acid/total phenolics of 94.1% at 20 h, at this point, 100% hydrolysis degree (HD) was obtained. After 4 h of hydrolysis (38.8% of HD) the highest antioxidant capacity was obtained reaching values of 25.9, 23.8 and 8.8 µmol trolox equivalent/mg gallic acid equivalent measured by ABTS, FRAP and ORAC methods. Lipophilicity diminished from 0.8 to 0.3 (log P value). In addition, the antioxidant efficacy of 100 ppm total phenolics of hydrolyzates at 9 h (93.7% of HD) and 20 h showed to be significantly more efficient than a similar concentration of the synthetic antioxidant TBHQ to retard soybean oil oxidation. These results indicate that 4 and 9 h of chemical hydrolysis of tara pod extracts under the tested conditions are sufficient to obtain a product with good antioxidant properties to be used as an alternative source of antioxidants.
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