Immobilization of Enological Pectinase on Magnetic Sensitive Polyamide Microparticles for Wine Clarification

Autor: Sandra Cristina Oliveira, Nadya Vasileva Dencheva, Zlatan Zlatev Denchev

Publikováno v: Foods, Vol 13, Iss 3, p 420 (2024)

The use of free pectinases as clarification biocatalysts constitutes a well-established practice in the large-scale production of various types of wines. However, when in the form of free enzymes, the recovery and reusability of pectinases is difficu

Externí odkaz: https://doaj.org/article/c04d5e5759364747916deee8a853d19f

Polymer-assisted biocatalysis: polyamide 4 microparticles as promising carriers of enzymatic function

Autor: Joana Filipa Barros Braz, Nadya Vasileva Dencheva, Marc Malfois, Dieter Michael Scheibel, Ivan Gitsov, Zlatan Denchev

Publikováno v: Catalysts, Vol 10, Iss 767, p 767 (2020)
Catalysts
Volume 10
Issue 7
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP

This study reports a new strategy for enzyme immobilization based on passive immobilization in neat and magnetically responsive polyamide 4 (PA4) highly porous particles. The microsized particulate supports were synthesized by low-temperature activat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8ddb76129e7703528de29c61d86096a1
https://hdl.handle.net/1822/66189

Microstructural-mechanical properties relationship in single polymer laminate composites based on polyamide 6

Autor: Shafagh D. Tohidi, Nadya Vasileva Dencheva, Zlatan Denchev, Ana Maria A. C. Rocha

Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP

This paper studies theflexural and the impact properties of polyamide 6-based knitted reinforced single polymercomposites (KSPCs) prepared by compression molding of powder-coated textile structures. To prepare matrixcomponent, polyamide 6 micropartic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9a0a23c2222ab37449dfb5f59920aab1
https://doi.org/10.1016/j.compositesb.2018.08.106

One-pot low temperature synthesis and characterization of hybrid poly(2-pyrrolidone) microparticles suitable for protein immobilization

Autor: Nadya Vasileva Dencheva, Teresa G. Nunes, Joana Filipa Barros Braz, Filipa D. Oliveira, Zlatan Denchev

Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP

Neat and hybrid poly(2-pyrrolidone), i.e. polyamide 4 (PA4) microparticles containing magnetic or conductive metal, metal oxide, or carbon nanotube fillers were prepared via environmentally-friendly solventless activated ring-opening polymerization o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::18233d77084699227c11cc5bc9341cfe
https://doi.org/10.1016/j.polymer.2018.04.080

Patterned Electroconductive Networks in Ag‐Polyamide 6 Composites by Laser Ablation

Autor: Filipa M. Oliveira, Filipe Samuel Silva, C.G. Moura, Óscar Carvalho, Zlatan Denchev, Nadya Vasileva Dencheva

Publikováno v: Macromolecular Materials and Engineering. 306:2100308

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::294e670136fde253aea5dd91eb4f0577
https://doi.org/10.1002/mame.202100308