نتایج جستجو برای: functionalized nanoparticles
تعداد نتایج: 124700 فیلتر نتایج به سال:
Surface-functionalized nanoparticles enhance the rate of electron transfer (ET) between Cyt c(Fe(2+)) and Co(phen)(3)(3+) by a factor of 10(5) through simultaneous electrostatic binding of an ET donor and acceptor.
In this study, the use of bi-ligand co-functionalized gold nanoparticles in a highly selective and sensitive colorimetric probe for Ca(2+) ions is demonstrated and this probe also determined the concentrations of Ca(2+) ions in serum samples.
A facile approach was developed to assemble DNA-functionalized gold nanoparticles on the electrospun nanofibers. This novel nanocomposite was successfully applied to constructing a highly sensitive and selective fluorescent sensor for nucleic acids.
A novel amplification strategy based on DNAzyme functionalized gold nanoparticles was employed to enhance the sensitivity of an electrochemical sensor for detection of Pb2+. The detection limit is 0.028 nM, which is much lower than for other electrochemical DNAzyme sensors.
Highly amino-functionalized fluorescent carbon nanoparticles (CNPs) were fabricated by hydrothermal carbonization of chitosan at a mild temperature. They were applied to bioimaging of human lung adenocarcinoma A549 cells, showing low cytotoxicity and excellent biocompatibility.
A signal amplification strategy based on bio-bar-code functionalized magnetic nanoparticles as labels holds promise to improve the sensitivity and detection limit of the detection of DNA hybridization and single-nucleotide polymorphisms by flow injection chemiluminescence assays.
The incorporation of Pt nanoparticles into a highly stable and porous amine-functionalized MIL-101(Cr) was performed for construction of a visible light driven H2 evolution system with high activity and strong stability.
Kinetic and thermodynamic studies reveal that the property of significantly enhanced catalytic activity with colloidal stability is attributed to an efficacious means of tuning enzyme-substrate association by varying with the rate constants in the presence of functionalized gold nanoparticles.
A novel approach to identify structures and quantify the absolute amounts of individual ligands on multi-functionalized gold nanoparticles by an FTIR and HPLC/MS/UV/CLND method has been developed.
Organo-modified mesoporous silica nanoparticles, loaded with ibuprofen into the pores and functionalized on the external surface with a stable Gd(iii)-DOTA-monoamide chelate, were prepared and explored as potential theranostic probes.
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