نتایج جستجو برای: nanogold
تعداد نتایج: 261 فیلتر نتایج به سال:
objective(s): biosynthesis of gold nanoparticles (ngps) is environmentally safer than chemical and physical procedures. this method requires no use of toxic solvents and synthesis of dangerous products and is environmentally safe. in this study, we report the biosynthesis of ngps using streptomyces djakartensis isolate b-5. materials and methods: ngps were biosynthesized by reducing aqueous ...
We sought to investigate the effects of epirubicin-nanogold compounds (EPI-AuNP) on hepatocellular carcinoma xenograft growth in nude mice. EPI-AuNP was prepared and hepatoma xenograft model was established in nude mice. The mice were then randomly divided into four groups: the control group with injection of saline, the AuNP treatment group, the EPI treatment group and the EPI-AuNP treatment g...
The article presents the synthesis of novel 13- and 16-membered azobenzocrown derivatives with peripheral thiol moieties and preliminary studies assessing their possible application in plasmonic sensors based on gold nanoparticles. The effect of the length of the chain connecting the macrocycle with the thiol group and the effect of the presence of the additional functional compound, i.e. lipoi...
A new single-step aptamer-based surface-enhanced fluorescent optical sensor is built, by combining an aptamer-target interaction for target recognition and a fluorophore interaction for signal enhancement. The developed aptasensor is simple, sensitive, specific and stable for the detection of thrombin. A new nanometallic Au structure in the range of 100 nm was constructed through effective elec...
The purpose of this study is to test the hypothesis that gold nanoparticle (AuNP, nanogold)-enhanced radiation therapy (nanogold radiation therapy, NRT) is efficacious when treating the radiation resistant and highly aggressive mouse head and neck squamous cell carcinoma model, SCCVII, and to identify parameters influencing the efficacy of NRT. Subcutaneous (sc) SCCVII leg tumors in mice were i...
Enterovirus 71 (EV71) infection is an emerging infectious disease causing neurological complications and/or death within two to three days after the development of fever and rash. A low viral titre in clinical specimens makes the detection of EV71 difficult. Conventional approaches for detecting EV71 are time consuming, poorly sensitive, or complicated, and cannot be used effectively for clinic...
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