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   Articles with "qas" as a keyword



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Spatiotemporally Responsive Hydrogel Dressing with Self-adaptive Antibacterial Activity and Cell Compatibility for Wound Sealing and Healing.

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recommendations! Published in 2023 at "Advanced healthcare materials"

DOI: 10.1002/adhm.202203241

Abstract: Adhesive hydrogels containing quaternary ammonium salt (QAS) moieties have shown attractive advantages in treatment for acute wounds, attributed to their high performances in wound sealing and sterilization. However, the introduction of QAS commonly leads to… read more here.

Keywords: wound sealing; cell; hydrogel; qas ... See more keywords
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Fabrication of polypropylene fibers possessing quaternized ammonium salt based on the combination of CuAAC click chemistry and electrospinning

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recommendations! Published in 2021 at "Reactive and Functional Polymers"

DOI: 10.1016/j.reactfunctpolym.2021.105035

Abstract: Abstract This study provides a straightforward method for preparing fibers of polypropylene possessing quaternary ammonium salt (FPP-QAS) by combining copper (I)-catalyzed azide-alkyne cycloaddition “click” reaction (CuAAC) and electrospinning technique. Initially, chlorinated polypropylene (PP-Cl) is modified… read more here.

Keywords: chemistry; polypropylene; qas; ammonium salt ... See more keywords
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A Multifunctional Antibacterial and Osteogenic Nanomedicine: QAS-Modified Core-Shell Mesoporous Silica Containing Ag Nanoparticles

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recommendations! Published in 2020 at "BioMed Research International"

DOI: 10.1155/2020/4567049

Abstract: Treatments for infectious bone defects such as periodontitis require antibacterial and osteogenic differentiation capabilities. Nanotechnology has prompted the development of multifunctional material. In this research, we aim to synthesize a nanoparticle that can eliminate periodontal… read more here.

Keywords: core shell; qas modified; modified core; antibacterial osteogenic ... See more keywords
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Functionalized Biomimetic Composite Nanfibrous Scaffolds with Antibacterial and Hemostatic Efficacy for Facilitating Wound Healing.

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recommendations! Published in 2019 at "Journal of biomedical nanotechnology"

DOI: 10.1166/jbn.2019.2756

Abstract: An ideal wound dressing should not only promote rapid hemostasis and wound healing but also have good biocompatibility, antimicrobial activities, and should mimic the skin's physiological function. In the present study, five O-quaternized chitosan (QAS-CS)… read more here.

Keywords: wound healing; pcq3 pcqc5; composite nanfibrous; functionalized biomimetic ... See more keywords

Antimicrobial, Cytotoxic and Mutagenic Activity of Gemini QAS Derivatives of 1,4:3,6-Dianhydro-l-iditol

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recommendations! Published in 2022 at "Molecules"

DOI: 10.3390/molecules27030757

Abstract: A series of quaternary diammonium salts derivatives of 1,4:3,6-dianhydro-l-iditol were synthesized, using isommanide (1,4:3,6-dianhydro-d-mannitol) as a starting material. Both aromatic (pyridine, 4-(N,N-dimethylamino)pyridine (DMAP), (3-carboxamide)pyridine; N-methylimidazole) and aliphatic (trimethylamine, N,N-dimethylhexylamine, N,N-dimethyloctylamine, N,N-dimethyldecylamine) amines were used, giving… read more here.

Keywords: mutagenic activity; derivatives dianhydro; dianhydro iditol; decyl residues ... See more keywords