Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Gabriela Biliuta"'
Publikováno v:
Polymers, Vol 15, Iss 19, p 3930 (2023)
Along with the increased usage of cellulose in the manufacture of novel materials, those of its derivatives that have good solubility in water or organic solvents have become increasingly important. In this study, hydroxypropyl cellulose (HPC), a cel
Externí odkaz:
https://doaj.org/article/a24fa11f38fc42eea0f2885f1bf5579a
Autor:
Gabriela Biliuta, Andra-Cristina Bostănaru-Iliescu, Mihai Mareș, Carla Pavlov-Enescu, Valentin Năstasă, Olga Burduniuc, Sergiu Coseri
Publikováno v:
Molecules, Vol 27, Iss 19, p 6680 (2022)
The aim of this study was to synthesize silver nanoparticles (AgNPs) using cellulose derivatives and to evaluate their antimicrobial potential. As effective reducing and stabilizing agents for AgNPs, cellulose derivatives, such as hydroxypropyl cellu
Externí odkaz:
https://doaj.org/article/34056aa52772444696945b18827c1c3a
Publikováno v:
Materials, Vol 15, Iss 17, p 6086 (2022)
The C-6 in the maltotriose unit of pullulan was oxidized in an alkaline medium (pH = 10), utilizing a green method that included hydrogen peroxide (H2O2) as an oxidant and N-hydroxyphthalimide (NHPI) as a catalyst for various reaction times. The stru
Externí odkaz:
https://doaj.org/article/8d488c107db249048fd813f06ad33caa
Publikováno v:
Materials, Vol 14, Iss 22, p 7041 (2021)
Steady developments made in nanotechnology-based products have facilitated new perspectives for combating drug-resistant fungi. Silver nanoparticles represent one of the most attractive nanomaterials in biomedicine due to their exclusive optical, ele
Externí odkaz:
https://doaj.org/article/7735094b8fba456aab57321d5ef9c2e7
Autor:
Mihaela Ciopec, Gabriela Biliuta, Adina Negrea, Narcis Duțeanu, Sergiu Coseri, Petru Negrea, Makarand Ghangrekar
Publikováno v:
Materials, Vol 14, Iss 13, p 3731 (2021)
Exposure to different arsenic concentrations (higher than 10 μg/L), either due to the direct consumption of contaminated drinking water or indirectly by using contaminated food is harmful for human health. Therefore, it is important to remove arseni
Externí odkaz:
https://doaj.org/article/23dd96e06be446f4b84d3a0cd4396062
Publikováno v:
Polymers, Vol 13, Iss 11, p 1693 (2021)
Magnetic hydrogels composed of poly(vinyl alcohol) (PVA)/water-soluble tricarboxy cellulose (CO)/magnetic fluids (MFs) have been prepared by a freeze–thaw cycle technique. The system designed here combines the renewability and biocompatibility aspe
Externí odkaz:
https://doaj.org/article/e90c3dfcb20d4b8f83c6ae7f9b094f9c
Autor:
Madalina Elena Culica, Kornela Kasperczyk, Raluca Ioana Baron, Gabriela Biliuta, Ana Maria Macsim, Andrada Lazea-Stoyanova, Beata Orlinska, Sergiu Coseri
Publikováno v:
Materials, Vol 12, Iss 21, p 3585 (2019)
This paper proposes a convenient route to oxidize the –CH2–OH groups in the water-soluble pullulan, using a new catalytic polymer-supported N-hydroxyphthalimide (NHPI) immobilized on polystyrene. The protocol involves the presence of sodium hypoc
Externí odkaz:
https://doaj.org/article/5cd39dbc44644b00921873e00c1cb5db
Autor:
Raluca Ioana Baron, Madalina Elena Culica, Gabriela Biliuta, Maria Bercea, Simona Gherman, Daniela Zavastin, Lacramioara Ochiuz, Mihaela Avadanei, Sergiu Coseri
Publikováno v:
Materials, Vol 12, Iss 9, p 1569 (2019)
Two natural polymers, i.e., cellulose and water soluble pullulan, have been selectively oxidized employing the TEMPO-mediated protocol, to allow the introduction of C6-OOH groups. Thereafter, the composite hydrogels of poly(vinyl alcohol) (PVA) and d
Externí odkaz:
https://doaj.org/article/9c55293aa0124f2a9d508b5f9aadc603
Autor:
Sergiu Coseri, Madalina Elena Culica, Andreea L. Chibac-Scutaru, Mihaela Avadanei, Mihai Asandulesa, Gabriela Biliuta, Raluca Ioana Baron, Gabriela Lisa
Publikováno v:
Cellulose. 27:8585-8604
Our manuscript focuses on the study of proton conductivity phenomena caused by a high degree of mobility and dynamic movement of protons that occur in some hybrid composites obtained from TEMPO oxidized cellulose doped with three heterocyclic compoun
Autor:
Razvan Rotaru, Madalina Elena Culica, Sergiu Coseri, Gabriela Biliuta, Raluca Ioana Baron, Gabriela Lisa
Publikováno v:
Polymer Engineering & Science. 59:1499-1506