نتایج جستجو برای: pani

تعداد نتایج: 1207  

Journal: :international journal of nanoscience and nanotechnology 2015
m.g. hosseini e. shahryari r. najjar i. ahadzadeh

the supercapacitive behavior of polyaniline/mno2-carbon black (pani/mno2-cb), mno2-cb nanocompositesand cb was studied. mno2-cb made by the in situ direct coating method to deposit mno2 onto cb; then pani coating was coated on it. morphology of the nanocomposite was studied by x-ray diffraction (xrd), fourier transform infrared (ft-ir) spectroscopy and scanning electron microscopy (sem). the el...

Journal: :journal of sciences, islamic republic of iran 2013
s. pirsa

determination of 1, 1-dimethylhydrazine (dmh) in air is carried out by spectrophotometry, gc or hplc analysis, but in this study dmh was analyzed by a gas sensor based on nanostructure conducting polyaniline. determination of dmh has been done very simplely and quickly in recent work. electrically conductive fibers have been prepared by polymerization of aniline on surfaces of commercial polyme...

2017
Tamthinhan Quy Dong-Chan Lee

Electrochemistry of PANI/Metal Composites in Basic Solutions

2017
Hiromasa Goto Atsushi Yokoo

We report preparation of polyaniline (PANI) with radicals on the N-positions. Chirality of a PANI having optically active substituent is retained even upon oxidation by m-chloroperoxybenzoic acid in chloroform to generate spin species. Electron spin resonance and circular dichroism spectroscopy measurements suggest that the chiral paramagnetic properties of PANIs are derived from the combinatio...

2014
Bambang Kuswandi Titi Irmawati Moch Amrun Hidayat Jayus Ahmad Musa

A simple visual ethanol biosensor based on alcohol oxidase (AOX) immobilised onto polyaniline (PANI) film for halal verification of fermented beverage samples is described. This biosensor responds to ethanol via a colour change from green to blue, due to the enzymatic reaction of ethanol that produces acetaldehyde and hydrogen peroxide, when the latter oxidizes the PANI film. The procedure to o...

Journal: :The journal of physical chemistry. B 2008
Wei Yan Xiaojun Chen Xinghua Li Xiaomiao Feng Jun-Jie Zhu

The silver chloride@polyaniline (PANI) core-shell nanocomposites (AgCl@PANI) combined with Au nanoparticles (AuNPs) were used to prepare the AuNPs-AgCl@PANI hybrid material. A novel sensitive label-free low-density lipoprotein (LDL) electrochemical biosensor was fabricated by adsorption of antibody to apolipoprotein B-100 (aopB-100) on an AuNPs-AgCl@PANI-modified glassy carbon (GC) electrode. T...

2017
Carolina Micolini Frederick Benjamin Holness James A. Johnson Aaron David Price

Load transfer through orthopaedic joint implants is poorly understood. The longer-term outcomes of these implants are just starting to be studied, making it imperative to monitor contact loads across the entire joint implant interface to elucidate the force transmission and distribution mechanisms exhibited by these implants in service. This study proposes and demonstrates the design, implement...

2017
Ching Yuan Chung-Hsuang Hung Chung-Shin Yuan Huei-Wen Li

Hydrothermally and sol-gel-synthesized immobilized surfactant-modified polyaniline-carbon nanotubes/TiO₂ (PANi-CNT/TiO₂) photocatalysts were prepared and their application in the degradation of diethyl phthalate (DEP) under visible light at 410 nm was investigated in this sturdy. To improve the dispersion of nanoparticles and the transfer of electrons, the TiO₂ surface was modified with both so...

2013
Ruxangul Jamal Feng Xu Weiwei Shao Tursun Abdiryim

The solid-state method was applied for synthesizing polyaniline (PANI)/noble metal hybrid materials with the presence of HAuCl4·4H2O or H2PtCl6·6H2O in the reaction medium. The structure, morphology, and electrochemical activity of the composites were characterized by Fourier transform infrared (FTIR) spectra, UV-visible (vis) absorption spectra, energy dispersive spectrum (EDS), X-ray powder d...

2014
Jae Jin Kim Di Chen Harry L. Tuller Yuxi Zhang Gregory C. Rutledge

Electrospun polyaniline (PAni) fibers doped with different levels of (+)-camphor-10-sulfonic acid (HCSA) have been fabricated and evaluated as chemiresistive gas sensors. The experimental results, based on both sensitivity and response time, show that doped PAni fibers are excellent ammonia sensors and that undoped PAni fibers are excellent nitrogen dioxide sensors. The fibers exhibit changes i...

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