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Synthesis of a dual-function monomer and its corresponding polymer for the valorisation of stilbenes from grape canes

Bzainia, Amir; Keller, Erik (Biobased Chemistry & Refinery); Heeres, André (Biobased Chemistry & Refinery); Costa, Mário Rui; Dias, Rolando C.S.

A novel synthetic approach to 2,6-bis(acrylamido)pyridine (BAAPy) has been developed, producing a dual-function monomer able to self-crosslink while providing functional binding sites through its amide and pyridine groups. The monomer's structure and purity were confirmed through NMR, FTIR, and HPLC …

2025-08-20Techniek; …Artikel

Perceptions, barriers and facilitators regarding nutritional care for patients with chronic limb threatening ischemia

Kolen, Aniek M; Jager-Wittenaar, Harriët (Healthy Ageing, Allied Health Care And Nursing); Geertzen, Jan H B; Damman, Jeanne; Dijkstra, Martijn L; Keller, B Paul J A; Kooijman, Maria; Tjalsma-de Vries, Marlies; de Vries, Jean-Paul P M; Wikkeling, Otmar R M; Wong, Sin Wun; Dekker, Rienk; Krops, Leonie A

Background: Nutrition and nutritional care are essential for optimal outcomes, and, therefore of importance for patients with chronic limb threatening ischemia (CLTI) given their high risk of complications. However, insight is lacking in how healthcare professionals directly involved in the care of patients …

2025-01AlgemeenArtikel

Guidance for assessment of the inflammation etiologic criterion for the GLIM diagnosis of malnutrition: A modified Delphi approach

Cederholm, Tommy; Jensen, Gordon; Ballesteros-Pomar, Maria; Blaauw, Renee; Correia, Maria Isabel; Cuerda, Cristina; Evans, David; Fukushima, Ryoji; Ochoa Gautier, Juan; Gonzalez, Maria Cristina; van Gossum, Andre; Gramlich, Leah; Hartono, Josep; Heymsfield, Steven; Jager-Wittenaar, Harriët (Malnutrition And Healthy Ageing); Jayatissa, Renuka; Keller, Heather; Malone, Ainsley; Manzanares, William; McMahon, M Molly; Mendez, Yolanda; Mogensen, Kris; Mori, Naoharu; Muscaritoli, Maurizio; Contreras Nogales, Guillermo; Nyulasi, Ibolya; Phillips, Wendy; Pirlich, Matthias; Pisprasert, Veeradej; Rothenberg, Elisabet; de van der Schueren, Marian; Ping Shi, Han; Steiber, Alison; Winkler, Marion; Barazzoni, Rocco; Compher, Charlene

Background & aims: The Global Leadership Initiative on Malnutrition (GLIM) approach to malnutrition diagnosis is based on assessment of three phenotypic (weight loss, low body mass index, and reduced skeletal muscle mass) and two etiologic (reduced food intake/assimilation and disease burden/inflammation) …

2024-05-01Gezondheid; …Artikel

Guidance for assessment of the inflammation etiologic criterion for the GLIM diagnosis of malnutrition: A modified Delphi approach

Jensen, Gordon; Cederholm, Tommy; Ballesteros-Pomar, Maria; Blaauw, Renee; Correia, Maria Isabel; Cuerda, Cristina; Evans, David; Fukushima, Ryoji; Ochoa Gautier, Juan; Gonzalez, Maria Cristina; van Gossum, Andre; Gramlich, Leah; Hartono, Josep; Heymsfield, Steven; Jager-Wittenaar, Harriët (Malnutrition And Healthy Ageing); Jayatissa, Renuka; Keller, Heather; Malone, Ainsley; Manzanares, William; McMahon, M Molly; Mendez, Yolanda; Mogensen, Kris; Mori, Naoharu; Muscaritoli, Maurizio; Contreras Nogales, Guillermo; Nyulasi, Ibolya; Phillips, Wendy; Pirlich, Matthias; Pisprasert, Veeradej; Rothenberg, Elisabet; de van der Schueren, Marian; Ping Shi, Han; Steiber, Alison; Winkler, Marion; Compher, Charlene; Barazzoni, Rocco

Background: The Global Leadership Initiative on Malnutrition (GLIM) approach to malnutrition diagnosis is based on assessment of three phenotypic (weight loss, low body mass index, and reduced skeletal muscle mass) and two etiologic (reduced food intake/assimilation and disease burden/inflammation) criteria, …

2024-01-15Gezondheid; …Artikel

Circularity & end of life of PHA

Keller, Erik; van Noordenne, Corinne

Keynote lecture during Go!PHA WG Science & Technology

2023-03-15AlgemeenConferentiebijdrage

Development of a modular photoreactor for the upscaling of continuous flow photochemistry

Hermens, Johannes G.H.; Lepage, Mathieu; Kloekhorst, Arjan (Life Sciences & Renewable Energy); Keller, Erik; Feringa, Ben L.; Bloem, Robin; Meijer, Maurice

The upscaling of biphasic photochemical reactions is challenging because of the inherent constraints of liquid-gas mixing and light penetration. Using semi-permeable coaxial flow chemistry within a modular photoreactor, the photooxidation of the platform chemical furfural was scaled up to produce routinely …

2022-09-28TechniekArtikel

Determination of monomer ratios in commercial polyhydroxyalkanoates using NMR and GC-MS

Keller, Erik; Heeres, André; Hoekstra, Henk

Plastic is one of the biggest contributors to pollution of the planet. Due to the low recyclability of oil-based plastics, most plastic is being disposed into the environment. According to plastic oceans, 10 million tons of plastic are dumped into oceans annually. Currently, researchers are developing …

2022-05-11AlgemeenConferentiebijdrage

Productie bioplastics biedt kansen voor farmaceutische toepassingen

Keller, Erik

Artikel in Agro & Chemie over de productie van exogene ketonen in het projecten Circulaire Biopolymeren Waardeketens voor PHA en Cellulose.

2021-07-22AlgemeenArtikel

Global Leadership Initiative on Malnutrition (GLIM): guidance on validation of the operational criteria for the diagnosis of protein-energy malnutrition in adults

de van der Schueren, Marian; Keller, Heather; Cederholm, Tommy; Barazzoni, Rocco; Compher, Charlene; Correia, Maria Isabel; Gonzalez, Maria Cristina; Jager-Wittenaar, Harriët (Malnutrition And Healthy Ageing); Pirlich, Matthias; Steiber, Alison; Waitzberg, Dan; Jensen, Gordon

The Global Leadership Initiative on Malnutrition (GLIM) created a consensus‐based framework consisting of phenotypic and etiologic criteria to record the occurrence of malnutrition in adults. This is a minimum set of practicable indicators for use in characterizing a patient/client as malnourished, considering …

2020-09-01Gezondheid; …Artikel

Global leadership initiative on malnutrition (GLIM): guidance on validation of the operational criteria for the diagnosis of protein-energy malnutrition in adults

Keller, Heather; de van der Schueren, Marian; Jensen, Gordon; Barazzoni, Rocco; Compher, Charlene; Correia, Maria Isabel; Gonzalez, Maria Cristina; Jager-Wittenaar, Harriët (Malnutrition And Healthy Ageing); Pirlich, Matthias; Steiber, Alison; Waitzberg, Dan; Cederholm, Tommy

2020-08-01Gezondheid; …Artikel

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