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Temperature effect on the SERS signature of p-aminothiophenol: a new evidence for the production of p,p'-dimercaptoazobenzene on metallic nanostructures.
We investigated the effect of the temperature of the plasmonic substrate on the surface enhanced Raman scattering of p-aminothiophenol adsorbed onto a particulate film of gold nanoparticles-decorated ...Read More
Fabrication of small-sized silver NPs/graphene sheets for high-quality surface-enhanced Raman scattering.
In this paper, small-sized and highly dispersed Ag nanoparticles (NPs) supported on graphene nanosheets are fabricated via a strategy for etching a copper template with Ag(+). Firstly, big-sized Cu NP...Read More
Surface enhanced fluorescence (SEF) effect of acridine orange fluorophore in the proximity of silver nanoparticles (NPs) has been investigated experimentally in the aqueous solution system. It was fou...Read More
Controlling the density and site of attachment of gold nanoparticles onto the surface of carbon nanotubes.
A facile method for controlling the density and site of attachment of gold nanoparticles onto the surface of carbon nanotubes is demonstrated. Nitric acid based oxidation was carried out to create car...Read More
Acetylsalicylic acid electrochemical sensor based on PATP-AuNPs modified molecularly imprinted polymer film.
A novel electrochemical sensor based on molecularly imprinted polymer film has been developed for aspirin detection. The sensitive film was prepared by co-polymerization of p-aminothiophenol (p-ATP) a...Read More
Selective visualization of point defects in carbon nanotubes at the atomic scale by an electron-donating molecular tip.
Electron-donating molecular tips were used for the observation of single-walled carbon nanotubes (SWNTs). Defects in SWNTs were selectively visualized at the atomic scale on the basis of charge-transf...Read More
Intracellular pH sensing using p-aminothiophenol functionalized gold nanorods with low cytotoxicity.
We report an intracellular pH sensor based on surface enhanced Raman scattering (SERS) using the hydrochloric acid (HCl) treated gold nanorods (GNRs) as the SERS substrates and p-aminothiophenol (pATP...Read More
Oriented immobilization of a membrane-bound hydrogenase onto an electrode for direct electron transfer.
The interaction of redox enzymes with electrodes is of great interest for studying the catalytic mechanisms of redox enzymes and for bioelectronic applications. Efficient electron transport between th...Read More
Semiconductor cadmium sulphide nanoparticles as matrices for peptides and as co-matrices for the analysis of large proteins in matrix-assisted laser desorption/ionization reflectron and linear time-of-flight mass spectrometry.
The use of semiconductor cadmium sulphide nanoparticles (CdS NPs) capped with 4-aminothiophenol (ATP) and 11-mercaptoundecanoic acid (MUA) is described for the first time as matrices and as co-matrice...Read More
The objective of this study was to improve the multifunctional properties of poly(acrylic acid) (PAA) by covalent attachment of 4-aminothiophenol (ATP) to its backbone. The permeation enhancing effect...Read More
Directed immobilization of reduced antibody fragments onto a novel SAM on gold for myoglobin impedance immunosensing
The successful construction of an immunosensor depends on having an effective procedure for immobilising the bio-recognition element to the transducer surface. In the present study, an amino-terminate...Read More
Within this study metronidazole-containing microparticles based on a pectin-4-aminothiophenol (Pec-ATP) conjugate were developed and investigated regarding their potential for colon-specific drug deli...Read More
The aim of this study was to modify pectin by covalent attachment of the water-insoluble ligand 4-aminothiophenol to its polymeric backbone. 4-Aminothiophenol is a ligand which is highly prone to oxid...Read More
Low Density Lipoprotein Detection Based on Antibody Immobilized Self-Assembled Monolayer: Investigations of Kinetic and Thermodynamic Properties
Human plasma low density lipoprotein (LDL) immunosensor based on surface plasmon resonance (SPR) and quartz crystal microbalance (QCM) was fabricated by immobilizing antiapolipoprotein B (AAB) onto se...Read More
Protein separation and identification using magnetic beads encoded with surface-enhanced Raman spectroscopy
This article presents a prototype of a surface-enhanced Raman spectroscopy (SERS)-encoded magnetic bead of 8@mm diameter. The core part of the bead is composed of a magnetic nanoparticle (NP)-embedded...Read More
This work investigates the effect of gold nanoparticle (AuNP) addition to paper substrate and examines the ability of these composite materials to amplify the surface enhanced Raman scattering (SERS) ...Read More
The fluorescence emission and enhancement of Rhodamine 6G on the silver island films (SiFs) with and without 4-Aminothiophenol molecules have been investigated. It was found that the SiFs without 4-Am...Read More
Multiple depositions of Ag nanoparticles on chemically modified agarose films for surface-enhanced Raman spectroscopy.
A facile and cost-effective approach for the preparation of a surface-enhanced Raman spectroscopy (SERS) substrate through constructing silver nanoparticle/3-aminopropyltriethoxysilane/agarose films (...Read More
Surface-enhanced Raman scattering detection of wild-type and mutant p53 proteins at very low concentration in human serum.
The development of ultrasensitive and rapid approaches to detect tumor markers at very low concentrations even in a physiological environment represents a challenge in nano-medicine. The p53 protein i...Read More
One of the main challenges in biomedicine is improvement of detection sensitivity to achieve tumor marker recognition at a very low concentration when the disease is not significantly advanced. A pivo...Read More
Layer-by-layer assembly and electrochemical study of a 4-aminothiophenol and ytterbium(III) trifluoromethanesulfonate hydrate film on a gold electrode.
We report on the layer-by-layer assembly and electrochemical properties of 4-aminothiophenol (P-ATP) and ytterbium(III) trifluoromethanesulfonate hydrate (Yb(OTf)(3)) film supported on a gold surface....Read More
Ascertaining p,p'-dimercaptoazobenzene produced from p-aminothiophenol by selective catalytic coupling reaction on silver nanoparticles.
Combining experiment and theory, evidence from surface-enhanced Raman scattering (SERS) were obtained for p,p'-dimercaptoazobenzene (DMAB) produced from p-aminothiophenol (PATP) by selective cata...Read More
Type I collagen-mediated synthesis of noble metallic nanoparticles networks and the applications in Surface-Enhanced Raman Scattering and electrochemistry
In this paper, we demonstrated an effective enviromentally friendly synthesis route to prepare noble metallic (Au, Ag, Pt and Pd) nanoparticles (NPs) networks mediated by type I collagen in the absenc...Read More
Density functional theory study on Herzberg-Teller contribution in Raman scattering from 4-aminothiophenol-metal complex and metal-4-aminothiophenol-metal junction.
Density functional theory (DFT) and time-dependent DFT calculations have been performed to investigate the Raman scattering spectra of metal-molecule complex and metal-molecule-metal junction architec...Read More