2022
DOI: 10.1039/d2sm00042c
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l-Cysteine as a reducing/capping/gel-forming agent for the preparation of silver nanoparticle composites with anticancer properties

Abstract: The present article reports the in situ preparation of silver nanoparticles (AgNPs) homogeneously distributed in the formig gel matrix using only L-cysteine (CYS) as a bio-reducing agent. The complex of...

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Cited by 18 publications
(30 citation statements)
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“…Some rheological properties and aspects of the gelation mechanism of these systems have been recently studied. 21 At a fixed concentration of the amino acid, the higher the silver content in the system, the richer the color of the samples. We expected the same behavior for NAC.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Some rheological properties and aspects of the gelation mechanism of these systems have been recently studied. 21 At a fixed concentration of the amino acid, the higher the silver content in the system, the richer the color of the samples. We expected the same behavior for NAC.…”
Section: Resultsmentioning
confidence: 99%
“…2) is the absence of the absorption band at 390–410 nm for the latter one, which is responsible for the localized surface plasmon resonance (LSPR) of silver nanoparticles. 21 The widened bands at 280 and 310 nm are attributed to the ligand-to-metal charge-transfer transition (LMCT) and argentophilic interactions in the CYS/Ag + complexes, respectively. 21 The growth of the LSPR band and its shift to the region of large wavelengths occur upon the increase of the silver content in the CYS-AgX systems.…”
Section: Resultsmentioning
confidence: 99%
“…Thus, cobalt under our conditions resulted in large particulates, likely capped by the cystine, or the breakdown product of cysteine [30]. It therefore remains likely that for both silver and cobalt, under the conditions used here for MOBs self-assembly, cystine serves as a stabilizing/capping agent [39], whereas for copper it serves as a linker, providing an elongation factor that results in high-aspect ratio copper MOBs.…”
Section: Discussionmentioning
confidence: 91%
“…Преимуществом водных растворов и гидрогелей на основе Lцистеина и его производных является природное происхождение исходных компонентов, что позволяет рассматривать объекты исследования, как биоактивные агенты с перспективой применения в области медицины. Так, авторами было обнаружено, что гидрогели на основе ЦСР -(ЦИС/AgNO3, AgNO2, CH3COOAg) обладают достаточно сильным цитотоксическим действием по отношению к клеткам карциномы молочной железы человека линии MCF-7 [5,6]. В то же время, гели демонстрировали отсутствие токсичности к нормальным клеткам человека эмбриональным фибробластам линии Wi-38 и, более того, клетки под влиянием гелей активно делились и росли.…”
Section: ключевые слова: L-цистеин N-ацетил-l-цистеин нитрит серебра ...unclassified
“…В списке солей серебра особое место занимает AgNO2. Гидрогели на основе ЦИС/AgNO2 способны к формированию НЧС [5,6,10]. Гидрогели образуются без добавления инициатора (низкомолекулярные анионы), что позволяет синтезировать их в одну стадию.…”
Section: ключевые слова: L-цистеин N-ацетил-l-цистеин нитрит серебра ...unclassified