Articles with "capped gold" as a keyword



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Smartphone‐based colorimetric chiral recognition of ibuprofen using aptamers‐capped gold nanoparticles

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Published in 2018 at "ELECTROPHORESIS"

DOI: 10.1002/elps.201700372

Abstract: Sensitive and fast detection of ibuprofen enantiomers is very critical for required routine monitoring and risk assessment of trace pollutants in water samples. Here a simple, rapid and highly sensitive android smartphone application for chiral… read more here.

Keywords: detection; gold nanoparticles; capped gold; ibuprofen ... See more keywords
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Synthesis and in vitro photobiological studies of porphyrin capped gold nanoparticles$$^{\S }$$§

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Published in 2018 at "Journal of Chemical Sciences"

DOI: 10.1007/s12039-018-1539-8

Abstract: We describe the synthesis and characterization of a thiol-functionalized porphyrin derivative 2 and its gold nanoparticle conjugates. The porphyrin 2 exhibited its characteristic intense Soret absorption at 420 nm with a molar extinction coefficient value of… read more here.

Keywords: gold nanoparticles; capped gold; vitro photobiological; porphyrin ... See more keywords
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Indole Derivative-Capped Gold Nanoparticles as an Effective Bactericide in Vivo.

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Published in 2018 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.8b11980

Abstract: We synthesize indole derivative-capped gold nanoparticles (Au_IDs) via a straightforward route to fight multidrug-resistant (MDR) bacteria. When gold nanoparticles are modified with two indole derivatives, tryptophan and 5-aminoindole, they exhibit excellent antibacterial activities against both… read more here.

Keywords: gold nanoparticles; capped gold; indole derivative; derivative capped ... See more keywords
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Ligand-Induced Structural Changes of Thiolate-Capped Gold Nanoclusters Observed with Resistive-Pulse Nanopore Sensing.

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Published in 2019 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.8b12535

Abstract: Nanopore-based resistive pulse sensing with biological nanopores has traditionally been applied to biopolymer analysis, but more recently, interest has grown in applying the technique to characterizing water-soluble metallic clusters. This paper reports on the use… read more here.

Keywords: capped gold; nanopore sensing; gold nanoclusters; thiolate capped ... See more keywords
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Delafloxacin-Capped Gold Nanoparticles (DFX-AuNPs): An Effective Antibacterial Nano-Formulation of Fluoroquinolone Antibiotic

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Published in 2022 at "Materials"

DOI: 10.3390/ma15165709

Abstract: New antibiotics are seen as ‘drugs of last resort’ against virulent bacteria. However, development of resistance towards new antibiotics with time is a universal fact. Delafloxacin (DFX) is a new fluoroquinolone antibiotic that differs from… read more here.

Keywords: nano; fluoroquinolone antibiotic; dfx aunps; dfx ... See more keywords
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Warfarin-Capped Gold Nanoparticles: Synthesis, Cytotoxicity, and Cellular Uptake

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Published in 2019 at "Molecules"

DOI: 10.3390/molecules24224145

Abstract: Currently, research studies on nanoparticle cytotoxicity, uptake or internalization into the body’s cells are of great interest for the improvement of diagnostic and therapeutic applications. We report here the synthesis and characterization of very stable… read more here.

Keywords: warfarin capped; gold nanoparticles; capped gold; cytotoxicity cellular ... See more keywords
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Glyco disulfide capped gold nanoparticle synthesis: cytotoxicity studies and effects on lung cancer A549 cells.

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Published in 2022 at "Future medicinal chemistry"

DOI: 10.4155/fmc-2021-0165

Abstract: Background: Glyco disulfide gold nanoparticles (GDAuNPs) were prepared by three methods: direct, photochemical irradiation and ligand substitution. Glyco disulfide acted as reducing and capping agents of gold ions, to produce AuNPs GD1-GD16. Results: Shorter chains… read more here.

Keywords: disulfide; disulfide capped; capped gold; glyco disulfide ... See more keywords
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Green synthesis of capped gold nanoparticles and their effect on Gram-positive and Gram-negative bacteria

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Published in 2017 at "Future Science OA"

DOI: 10.4155/fsoa-2017-0062

Abstract: Aim: We report synthesis of capped gold nanoparticles (C-AuNPs) of ≈20–30 nm by reducing HAuCl4 with flower and leaf extracts of Ocimum tenuiflorum, leaves of Azadirachta indica and Mentha spicata and peel of Citrus sinensis… read more here.

Keywords: gold nanoparticles; capped gold; microscopy; synthesis capped ... See more keywords