Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Nadezhda Rangelova"'
Autor:
Lyubomir Aleksandrov, Nadezhda Rangelova, Nevena Lazarova-Zdravkova, Nelly Georgieva, Mirela Dragnevska, Sanchi Nenkova
Publikováno v:
Materials, Vol 16, Iss 21, p 6936 (2023)
In the present study, copper modified fibreboards were prepared and their existing phase, morphology, and antibacterial behaviour were investigated. The copper content and the physical and mechanical properties of fibreboards (thickness, bending stre
Externí odkaz:
https://doaj.org/article/14f36828493542af9607da11320c5737
Publikováno v:
Materials Today: Proceedings. 61:1272-1279
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::84b7d5b2b73fa4efdd0932eb2e3ad599
https://doi.org/10.1016/j.matpr.2022.03.064
https://doi.org/10.1016/j.matpr.2022.03.064
Autor:
Veselina Uzunova, Veronica Nemska, Tsvetelina Angelova, Nadezhda Rangelova, Nelly Georgieva, Rumiana Tzoneva, L. Aleksandrov, Tihomira Stoyanova
Publikováno v:
Materials Science and Engineering: C. 100:608-615
A series of Zn-doped hybrid materials based on silica from tetraethoxysilane (TEOS) and hydroxypropyl cellulose (HPC) were prepared by a sol-gel route. The structure, morphology and thermal behavior of synthesized hybrids were characterized by infrar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::71c318d2918d6e8d8e866f5f05f79dae
https://doi.org/10.1016/j.msec.2019.03.018
https://doi.org/10.1016/j.msec.2019.03.018
Publikováno v:
Journal of Sol-Gel Science and Technology. 85:330-339
Amorphous hybrid materials with participation of water soluble biopolymer (pectin from apple-AP) and silica derived from tetraethoxy silane (TEOS) were synthesized by sol–gel method. The influence of biopolymer content was determined. The principle
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3aecba1c6120a5c39b6907328f7dc51d
https://doi.org/10.1007/s10971-017-4556-z
https://doi.org/10.1007/s10971-017-4556-z
Autor:
Tsvetelina, Angelova, Nadezhda, Rangelova, Nelly, Georgieva, Veronica, Nemska, Tihomira, Stoyanova, Veselina, Uzunova, Lyubomir, Aleksandrov, Rumiana, Tzoneva
Publikováno v:
Materials scienceengineering. C, Materials for biological applications. 100
A series of Zn-doped hybrid materials based on silica from tetraethoxysilane (TEOS) and hydroxypropyl cellulose (HPC) were prepared by a sol-gel route. The structure, morphology and thermal behavior of synthesized hybrids were characterized by infrar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::eaa461020fde8ba5b8295257f7d5118b
https://pubmed.ncbi.nlm.nih.gov/30948097
https://pubmed.ncbi.nlm.nih.gov/30948097
Publikováno v:
Biotechnology & Biotechnological Equipment. 28:747-752
Antibacterial SiO2 hybrid materials based on tetraethyl orthosilicate (TEOS), hydroxypropylmethylcellulose (HPMC) and silver were prepared by the sol-gel method. The content of cellulose derivate was 5 wt% and the silver concentration varied from 0.5
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50de15c725b06d53a5aa3b10957a7abb
https://doi.org/10.1080/13102818.2014.944789
https://doi.org/10.1080/13102818.2014.944789
Publikováno v:
Carbohydrate Polymers. 101:1166-1175
Amorphous hybrids based on sodium salt of carboxymethyl cellulose (CMC) and tetraethoxysilane (TEOS) containing silver nanoparticles were prepared by sol-gel method. The amorphous structure, morphology and antibacterial behavior were clarified. The t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0bd9f2741ef543f93e357277319339a9
https://doi.org/10.1016/j.carbpol.2013.10.041
https://doi.org/10.1016/j.carbpol.2013.10.041
Autor:
Rudolf Müller, Veselina Uzunova, Tonya D. Andreeva, Tsvetelina Angelova, Albena Momchilova, Rumiana Tzoneva, Nelly Georgieva, Nadezhda Rangelova
Publikováno v:
Volume: 40, Issue: 6 1278-1288
Turkish Journal of Biology
Turkish Journal of Biology
Hybrid materials based on tetraethyl orthosilicate (TEOS), hydroxypropyl cellulose (HPC), or hydroxypropyl methyl cellulose (HPMC) with silver nanoparticles were synthesized. They were analyzed and characterized using differential thermal analysis an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::686a952d7e7917aa726b66b2539bf391
https://dergipark.org.tr/tr/pub/tbtkbiology/issue/34801/385483
https://dergipark.org.tr/tr/pub/tbtkbiology/issue/34801/385483
Publikováno v:
Materials Science and Engineering: C. 32:1241-1246
Silica hybrid materials containing tetraethyl orthosilicate (TEOS) as SiO2 precursor, hydroxypropyl cellulose (HPC) as an organic compound with incorporation of silver were prepared, and their structure and surface morphology were examined by FTIR me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2af73adf7b29b313e661731e6c3e9ce2
https://doi.org/10.1016/j.msec.2012.03.015
https://doi.org/10.1016/j.msec.2012.03.015
Autor:
Lyudmila Kabaivanova, Sanchi Nenkova, Isabel M. Miranda Salvado, Georgi Chernev, Nadezhda Rangelova, Aiying Wu, Petar Djambazki, Maria Helena Fernandes
Publikováno v:
Journal of Sol-Gel Science and Technology. 58:619-624
The purpose of the present work is the sol–gel synthesis, structure characterization and potential application of hybrid biomaterials based on silica precursor (MTES) and natural polymers such as gelatin or pectin. The structure formation in the bi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0394a1577404abc80cb56cea8da1eed2
https://doi.org/10.1007/s10971-011-2436-5
https://doi.org/10.1007/s10971-011-2436-5