Search results for: Ni Hui

Items from 1 to 20 out of 20 results

article

Problems and counter measures of arc suppression coilin 10 kV distribution system

Ni, Hui, Ding, Pei, Ma, Yunlong, Ai, Shaogui, more

Archives of Electrical Engineering > 2019 > 68 > 1

article

A nonfouling voltammetric immunosensor for the carcinoembryonic antigen based on the use of polyaniline nanowires wrapped with hyaluronic acid

Jiasheng Wang, Ni Hui

Microchimica Acta > 2018 > 185 > 7 > 1-9

A non-fouling electrochemical immunosensor is described for determination of the tumor biomarker carcinoembryonic antigen (CEA). It is based on the use of composite wires made by chemical grafting of hyaluronic acid onto polyaniline nanowires. The modified nanowires possess excellent antifouling property both in single protein solutions and in dilute serum samples. The current of immunoelectrode exhibits...

article

Electrodeposited honeycomb-like cobalt nanostructures on graphene oxide doped polypyrrole nanocomposite for high performance enzymeless glucose sensing

Ni Hui, Jiasheng Wang

Journal of Electroanalytical Chemistry > 2017 > 798 > Complete > 9-16

Honeycomb-like cobalt nanostructures modified graphene oxide doped polypyrrole (CoNSs/RGO/PPy) nanocomposites were successfully prepared via a simple two-step electrochemical synthesis route. Firstly graphene oxide (GO) doped PPy nanocomposite was electrodeposited onto a pretreated glassy carbon electrode (GCE) to obtain GO/PPy nanocomposite; secondly honeycomb-like cobalt nanostructures were electrochemical...

chapter

Research on the defect development of cable accessories under AC voltage

Xuefeng Zhao, Lu Pu, Long Xu, Xing Zhang, more

2017 1st International Conference on Electrical Materials and Power Equipment (ICEMPE) > 457 - 462

2017 1st International Conference on Electrical Materials and Power Equipment (ICEMPE)

As cable insulation failure usually started with PD activity, a PD detection system based on pulse current was built to study the PD characteristics of typical defects in XLPE cable. To facilitate the test, the oil cup test terminal was used. Considering the installation procedure, three different kinds of insulation defects in cable accessory samples were made, which were knife incision defect, metal...

article

A nanocomposite consisting of flower-like cobalt nanostructures, graphene oxide and polypyrrole for amperometric sensing of nitrite

Jiasheng Wang, Ni Hui

Microchimica Acta > 2017 > 184 > 7 > 2411-2418

A glassy carbon electrode (GCE) was modified with graphene oxide-doped polypyrrole (PPy), and flower-like cobalt nanostructures were then deposited on GCE by electrochemical reduction. The modified electrode shows improved catalytic behavior towards nitrite oxidation as the result of the nanoporous structure and the synergistic effect between cobalt nanostructures and GO/PPy. It is found that the...

article

Reagentless and label-free voltammetric immunosensor for carcinoembryonic antigen based on polyaniline nanowires grown on porous conducting polymer composite

Xiaotian Sun, Ni Hui, Xiliang Luo

Microchimica Acta > 2017 > 184 > 3 > 889-896

A reagentless and label-free voltammetric modified electrode was developed for the carcinoembryonic antigen (CEA), an important biomarker for colorectal adenocarcinoma. It is based on the use of a reticular hybrid composite consisting of polyaniline (PANI) nanowires grown on the conducting polymer poly(3,4-ethylenedioxythiophene) (PEDOT) that was doped with an ionic liquid (IL). The composite features...

article

Gold nanoparticles and polyethylene glycols functionalized conducting polyaniline nanowires for ultrasensitive and low fouling immunosensing of alpha-fetoprotein

Ni Hui, Xiaotian Sun, Zhiling Song, Shuyan Niu, more

Biosensors and Bioelectronics > 2016 > 86 > C > 143-149

An ultrasensitive biosensor for alpha-fetoprotein was developed based on electrochemically synthesized polyaniline (PANI) nanowires, which were functionalized with gold nanoparticles (AuNPs) and polyethylene glycols (PEG). The prepared PEG/AuNPs/PANI composite, combining the electrical conductivity of the AuNPs/PANI with the robust antifouling ability of PEG, offered an ideal substrate for the development...

article

Conducting Polyaniline Nanowire Arrays Modified Electrode for High Performance Supercapacitor and Enhanced Catalysis of Nitrite Reduction

Ni Hui, Jiasheng Wang, Aiqin Liang, Meilin Jiang

Electroanalysis > 28 > 12 > 2979 - 2984

Vertically aligned conducting polymer nanowire arrays had great potential applications in supercapacitor electrode material and exhibited enhanced electrocatalytic behavior towards the reduction of nitrite. In this paper, a facial template‐free approach to synthesize large arrays of vertically aligned polyaniline (PANI) nanowires on electrochemically pretreated glassy carbon electrodes was reported...

article

Gold nanoclusters doped poly(3,4-ethylenedioxythiophene) for highly sensitive electrochemical sensing of nitrite

Xiaojian Fan, Peipei Lin, Shaoping Liang, Ni Hui, more

Ionics > 2017 > 23 > 4 > 997-1003

Poly(3,4-ethylenedioxythiophene) (PEDOT) doped with bovine serum albumin-stabilized Au nanoclusters (AuNCs) was successfully synthesized through electrochemical polymerization in a solution containing EDOT monomer and AuNCs. The obtained PEDOT/AuNCs composite possessed a microstructure with AuNCs evenly distributed within the PEDOT film as dopants. The PEDOT/AuNCs modified electrode exhibited high...

article

Electrodeposited Conducting Polyaniline Nanowire Arrays Aligned on Carbon Nanotubes Network for High Performance Supercapacitors and Sensors

Ni Hui, Fenglian Chai, Peipei Lin, Zhiling Song, more

Electrochimica Acta > 2016 > 199 > C > 234-241

Conducting polymer polyaniline (PANI) nanowire arrays were electrochemically in situ synthesized on the surface of glassy carbon electrodes, which were modified with self-assembled multi-walled carbon nanotubes (CNTs) networks. The ordered PANI nanowire arrays and CNTs networks were integrated to create 3D nanostructured PANI/CNTs composites. Owing to their unique microstructure and conductivity,...

article

Nickel nanoparticles modified conducting polymer composite of reduced graphene oxide doped poly(3,4-ethylenedioxythiophene) for enhanced nonenzymatic glucose sensing

Ni Hui, Shiying Wang, Hongbo Xie, Shenghao Xu, more

Sensors and Actuators B: Chemical > 2015 > 221 > C > 606-613

A facile two-step electrochemical strategy was reported to synthesize nanocomposite of reduced graphene oxide (RGO) doped conducting polymer poly (3,4-ethylenedioxythiophene) (PEDOT) decorated with nickel nanoparticles (NiNPs) onto a glassy carbon electrode (GCE). Pure graphene oxide (GO) doped PEDOT composite was firstly electropolymerized onto the GCE through cyclic voltammetry, followed by electrochemical...

article

Elevation and Land Use Types Have Significant Impacts on Spatial Variability of Soil Organic Matter Content in Hani Terraced Field of Yuanyang County, China

LI Feng-bo, LU Guang-de, ZHOU Xi-yue, NI Hui-xiang, more

Rice Science > 2015 > 22 > 1 > 27-34

Soil organic matter (SOM) content is one of the most important indicators of the sustainability of soil. To maintain sustainable soil utilization and management in fragile Hani terraced field, it is meaningful to investigate the effects of topography and land use type on SOM content. Descriptive statistics and geostatistics were used to analyze the data and the kriging method was applied to map the...

article

Highly sensitive electrochemical detection of adenine on a graphene-modified carbon ionic liquid electrode

Wei Sun, Jun Liu, Xiaomei Ju, Le Zhang, more

Ionics > 2013 > 19 > 4 > 657-663

A new electrochemical method for the sensitive detection of adenine was established on a chitosan (CTS)- and graphene (GR)-modified carbon ionic liquid electrode (CILE). CILE was prepared by mixing 1-butylpyridinium hexafluorophosphate (BPPF₆) and paraffin with graphite powder. Due to the synergistic effects of GR, CILE, and the interaction of GR with IL on the electrode surface, the electrochemical...

article

Synthesis, structure and near-infrared (NIR) luminescence of series of Zn2Ln (Ln=Nd, Yb or Er) complexes based on the Salen-type Schiff-base ligand with the flexible linker

Wei-Xu Feng, Ya-Ni Hui, Guo-Xiang Shi, Dan Zou, more

Inorganic Chemistry Communications > 2012 > 20 > Complete > 33-36

With the Zn-Schiff-base [ZnL(CH ₃ CN)] from the Salen-type Schiff-base ligand H ₂ L (H ₂ L=N,N′-bis(3-methoxy-salicylidene)cyclohexane-1,2-diamine) with the flexible linker as the precursor, a series of hetero-trinuclear Zn ₂ Ln complexes [Zn ₂ Ln(L) ₂ (Cl) ₃ ] (Ln=Nd, 1; Ln=Yb, 2; Ln=Er, 3; Ln=Gd, 4) are obtained by the further reaction with...

chapter

The thought of the optimization algorithm for the commodity hard-packaging size

Ling-song Wang, Dong-ai Wang, Ji-li Cheng, Ni Hui-na

2011 Second International Conference on Mechanic Automation and Control Engineering > 4636 - 4639

2011 Second International Conference on Mechanic Automation and Control Engineering (MACE)

This paper analyzes the high level demand of modern industrial products for package, and the complexity of the best hard packing size design with the gradual popularization of the container logistics: too many design factors need to be considered so that the traditional experience can't afford. Only apply the optimization means can have comprehensive consideration and settlement. According to the...

article

Near‐Infrared Luminescent, Neutral, Cyclic Zn₂Ln₂ (Ln = Nd, Yb, and Er) Complexes from Asymmetric Salen‐Type Schiff Base Ligands

Xing‐Qiang Lü, Wei‐Xu Feng, Ya‐Ni Hui, Tao Wei, more

European Journal of Inorganic Chemistry > 2010 > 18 > 2714 - 2722

In the presence of excess pyridine (py), Zn(OAc)₂·2H₂O reacted with an equimolar amount of asymmetric salen‐type Schiff base ligand, generated in situ from the condensation of 2,3‐diaminophenol with o‐vanillin or 5‐bromo‐3‐methoxybenzaldehyde, to give the d‐block “complex ligand” [Zn(HL¹)(py)] or [Zn(HL²)(py)], respectively. Interaction of [Zn(HL¹)(py)] or [Zn(HL²)(py)] with Ln(NO₃)₃·6H₂O in a 1:1...

article

A New Electrochemical Method for the Determination of Proteins with Cupferron‐Cadmium(II) Complex

Ni Hui, Jiasheng Wang, Wei Sun

Electroanalysis > 22 > 5 > 536 - 541

A new electrochemical method was proposed for the determination of trace amounts of proteins based on the cupferron (Cup) and cadmium(II) complex [Cup‐Cd(II)] as the voltammetric probe. In the selected pH 6.5 Britton–Robinson (B–R) buffer solution, Cup can interact with Cd(II) to form a stable complex of [Cup‐Cd(II)], which had a sensitive linear sweep voltammetric reductive peak at −0.654 V (vs....

article

Voltammetric investigation on interaction of protein with chromotrope 2R and its analytical application

Ni Hui, Xue-Liang Niu, Jun-Ying Han, Wei Sun, more

Amino Acids > 2010 > 38 > 3 > 711-719

The electrochemical behaviors of the interaction of chromotrope 2R (CH2R) with human serum albumin (HSA) are investigated on the hanging mercury drop electrode with linear sweep voltammetry. In the acidic buffer solution (pH 2.5) CH2R has a well-defined voltammetric reductive wave at −0.34 V (SCE). On the addition of HSA into the CH2R solution, the reductive peak current of CH2R decreases with little...

article

Effects of elastase from a Bacillus strain on the tenderization of beef meat

Chen Qihe, He Guoqing, Jiao Yingchun, Ni Hui

Food Chemistry > 2006 > 98 > 4 > 624-629

The tenderization effect of a new elastase from Bacillus sp. EL31410 was investigated on beef meat. Meat tenderization was done by dipping the meat cut in a solution containing proteolytic enzymes after freeze-dehydration. It was found that a marination time of 4h was enough for enzyme adsorption. The samples were treated for 4h in different enzyme solutions and then was stored at 4°C for 24, 48,...

article

Study on fluorescence property of carvedilol and determination of carvedilol by fluorimetry

Li Xiao Xu, Ni Hui, Li Ying Ma, Huai You Wang

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy > 2005 > 61 > 5 > 855-859

The property of carvedilol in acid–alkaline medium was studied by spectrofluorimetry. Effects of organic solvents on carvedilol fluorescence spectra were examined and the reason was discussed. A simple, rapid and high sensitive fluorimetric method for the determination of carvedilol in medicine is developed. The measurement of relative fluorescence intensity was carried out at 356nm with excitation...

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