Surface Functionality and Gold Nanoparticles’ Cytotoxicity
Irradiation stability and cytotoxicity of gold nanoparticles for radiotherapy
... Abstract: Gold nanoparticles are promising as a kind of novel radiosensitizer in ...If gold nanoparticles are shown to have good irradiation stability and biocompatibility, they would play an ...
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Localized Surface Plasmons of Gold Nanoparticles
... illuminating nanoparticles with free space ...for gold nanorods is higher than that of spherical counterpart due to the lower ohmic loss in the near red band compared to the visible ...
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Cytotoxicity and antibacterial activity of gold-supported cerium oxide nanoparticles
... While several studies have evaluated the toxicity of metal oxide NPs, mainly in mammalian cells, few studies have investigated the antibacterial effect of CeO 2 NPs. Some stud- ies have shown inconsistent results for ...
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Effect of size, shape, and surface modification on cytotoxicity of gold nanoparticles to human Hep-2 and canine MDCK cells
... the surface charge state. Previous work suggests that cationic gold particles are moderately toxic, whereas anionic ones are relatively nontoxic [25, ...
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Gold Nanoparticles: Preparation, Characterization, Cytotoxicity, and its Impact on Knitted Fabrics
... prepared gold nanoparticles were evaluated using cell viability assay from MMT and IC 50 values and these results confirm that we can use AuNPs safely in contact medical treatment with ...Keywords: ...
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The role of surface charge in cellular uptake and cytotoxicity of medical nanoparticles
... higher cytotoxicity of anionic cyano- acrylic NPs compared to cationic ...and cytotoxicity, shielding of the positive surface charge by PEGylation displayed only a small effect on cellular uptake and ...
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Gold nanoparticles embedded on the surface of polyvinyl alcohol layer
... Furthermore, gold nanoparticles can easily be detected in as low as 10 -16 M concentration and have strong binding affinity towards thiols, disulfides and amines ...by gold nanoparticles in ...
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Cell type-dependent uptake, localization, and cytotoxicity of 1.9 nm gold nanoparticles
... The gold nanoparticles were administered by tail vein injec- tion and resulted in a 66% increase in the one-year survival of mice bearing EMT-6 mammary tumors when pretreated with a single intravenous dose ...
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Cytotoxicity of various types of gold-mesoporous silica nanoparticles in human breast cancer cells
... Keywords: gold nanoparticles, cytotoxicity, gold-mesoporous silica Janus nanoparticles, reac- tive oxygen species, c-Jun-N-terminal kinase, mitochondrial apoptosis Introduction Rapid ...
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Gold nanoparticles induce cytotoxicity in the alveolar type-II cell lines A549 and NCIH441
... purified gold nanoparticles could induce a milder cytotoxicity in A549 and NCIH441 cells compared to the particles with an excess of sodium ...internalize gold NPs by active endocytosis inde- ...
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Gold Nanoparticles: Synthesis, Surface Modification and Functionalization for Biomedical Applications
... the surface of NPs, forming the so-called protein corona [93,94], which in fact can increase or reduce colloidal stability ...organic surface capping is only loosely attached) purification can trigger a ...
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Synthesis and characterization of surface-enhanced Raman-scattered gold nanoparticles
... SERS-encoded nanoparticles or SERS nanotags involves the attachment of one or multiple organic dyes as signature reporters onto a metal enhancer in the form of a gold or silver nanoparticle, which is ...
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Effect of surface properties of silica nanoparticles on their cytotoxicity and cellular distribution in murine macrophages
... by surface modification, the intracellular locali- zation of fluorescent-labeled nanosilicas was investi- ...of surface modi- fication (Figure ...silica nanoparticles was not apparent from these ...
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Cytotoxicity of naphthoquinones and their capacity to generate reactive oxygen species is quenched when conjugated with gold nanoparticles
... Abbreviations: Au, gold; NP, nanoparticles. radicals. This may culminate in damage to macromolecules and cytotoxicity. 36 The production of oxygen radicals and the cytotoxic damage vary for different ...
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Preparation and cytotoxicity of N,N,N-trimethyl chitosan/alginate beads containing gold nanoparticles
... Gold nanoparticles (AuNPs) are commonly employed as diag- nostic and therapeutic agents for cancer due to their excellent biocompatibility and unique plasmonic properties [13] ...metallic ...
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Surface probing by spectroscopy on titania-supported gold nanoparticles for a photoreductive application
... with gold-loaded ...the gold oxidation state during the test, representing a critical aspect because of the changing of the band gap or photoactivity ...
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Interaction between Surface-charge Modified Gold Nanoparticles and Phospholipid Membranes
... PEPG vesicle leakage assay. The CFM observations were used for PEPG vesicle leakage assay shown in Fig. S4. The sucrose solution of the PEPG GUVs without the AuNH 3 + nanoparticles was first observed under green ...
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Alumoxane/ferroxane nanoparticles for the removal of viral pathogens: the importance of surface functionality to nanoparticle activity
... have nanoparticles per se, but their surface functionality is important in ensuring ...hydrophilic surface functionalization that ensures the collapse of aspirated water droplets and the ...
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Cytotoxicity and cellular uptake of tri-block copolymer nanoparticles with different size and surface characteristics
... of surface charge of the PNP, although the preference of clathrin receptors for positive PNP and caveolin recep- tors negative PNP is evident from the ...hydroxide nanoparticles (50, 109, 200 nm), when ...
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Sensitive detection of aflatoxin B1 molecules on gold SPR chip surface using functionalized gold nanoparticles
... βCD-functionalized gold nanoparticles (AuβCD NPs) in surface plasmon resonance (SPR) measuring ...film surface were calculated using SPR ...
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