Search Results - "Shiu, Kwok Keung"

Spontaneous Deposition of Prussian Blue on Reduced Graphene Oxide - Gold Nanoparticles Composites for the Fabrication of Electrochemical Biosensors by Bai, Xiaoyun, Shiu, Kwok-Keung

“…A reduced graphene oxide‐gold nanoparticles‐Prussian blue (RGO‐AuNPs‐PB) composite was prepared by spontaneous deposition of PB on RGO‐AuNPs surface. The…”
Get full text

Ultrasensitive electrochemical detection of miRNA-21 by using an iridium(III) complex as catalyst by Miao, Xiangmin, Wang, Wanhe, Kang, Tianshu, Liu, Jinbiao, Shiu, Kwok-Keung, Leung, Chung-Hang, Ma, Dik-Lung

“…The ultrasensitive electrochemical detection of miRNA-21 was realized by using a novel redox and catalytic “all-in-one” mechanism with an iridium(III) complex…”
Get full text

Direct Electrochemistry of Glucose Oxidase at Carbon Nanotube-gold Colloid Modified Electrode with Poly(diallyldimethylammonium chloride) Coating by Yao, Yan-Li, Shiu, Kwok-Keung

“…Glucose oxidase showed direct electrochemical transfer at glassy carbon electrodes immobilized with carbon nanotube‐gold colloid (CNT‐Au) composites with…”
Get full text

Electron-transfer properties of different carbon nanotube materials, and their use in glucose biosensors by Yao, Yanli, Shiu, Kwok-Keung

“…Different types of carbon nanotube material (single-walled carbon nanotubes (SWCNTs) and multi-walled carbon nanotubes (MWCNTs) of different internal diameter)…”
Get full text

pH-Dependent Cancer-Directed Photodynamic Therapy by a Water-Soluble Graphitic-Phase Carbon Nitride-Porphyrin Nanoprobe by Chan, Chi-Fai, Zhou, Yan, Guo, Hongyu, Zhang, Junying, Jiang, Lijun, Chen, Wei, Shiu, Kwok-Keung, Wong, Wai-Kwok, Wong, Ka-Leung

“…Theranostic photodynamic nanomaterials suffer from poor water solubility and nontargeted toxicity. A water‐soluble graphitic‐phase carbon nitride‐based…”
Get full text

Highly Sensitive Graphene–Pt Nanocomposites Amperometric Biosensor and Its Application in Living Cell H2O2 Detection by Zhang, Yuanyuan, Bai, Xiaoyun, Wang, Xuemei, Shiu, Kwok-Keung, Zhu, Yanliang, Jiang, Hui

“…A sensitive hydrogen peroxide (H2O2) sensor was constructed based on graphene–Pt (RGO–Pt) nanocomposites and used to measure the release of H2O2 from living…”
Get full text

Accelerated direct electrochemistry of hemoglobin based on hemoglobin–carbon nanotube (Hb–CNT) assembly by Zhang, Renyun, Wang, Xuemei, Shiu, Kwok-Keung

“…In this study, we have demonstrated that hemoglobin can be coupled to acid-treated multiwall carbon nanotubes in the presence of…”
Get full text

A Mediator-Free Bienzyme Amperometric Biosensor Based on Horseradish Peroxidase and Glucose Oxidase Immobilized on Carbon Nanotube Modified Electrode by Yao, Yan-Li, Shiu, Kwok-Keung

“…Multiwalled carbon nanotube (CNT) modified glassy carbon electrode immobilized with horseradish peroxidase (HRP) in Nafion coating showed direct electron…”
Get full text

Electrochemically Induced Free-Radical Polymerization for the Fabrication of Amperometric Glucose Biosensors by Shi, Kang, Lei, Ying, Wang, Sheng, Shiu, Kwok-Keung

“…Electrochemically induced free radical polymerization was employed for the fabrication of amperometric glucose biosensors. Based on the electrochemical…”
Get full text

Determination of Uric Acid at Electrochemically Activated Glassy Carbon Electrode by Shi, Kang, Shiu, Kwok-Keung

“…A selective and sensitive electroanalytical method was developed for the determination of uric acid in urine samples. Uric acid was preconcentrated and…”
Get full text

Glucose Biosensor Based on Multi-Walled Carbon Nanotube Modified Glassy Carbon Electrode by Dai, Yi-Qing, Shiu, Kwok-Keung

“…An amperometric glucose biosensor based on multi‐walled carbon nanotube (MWCNT) modified glassy carbon electrode has been developed. MWCNT‐modified glassy…”
Get full text

Spontaneous Deposition of Prussian Blue on Multi-Walled Carbon Nanotubes and the Application in an Amperometric Biosensor by Yao, Yanli, Bai, Xiaoyun, Shiu, Kwok-Keung

“…A simple method has been developed for the spontaneous deposition of Prussian blue (PB) particles from a solution containing only ferricyanide ions onto…”
Get full text

Electrochemical biosensor based on reduced graphene oxide modified electrode with Prussian blue and poly(toluidine blue O) coating by Bai, Xiaoyun, Chen, Guihua, Shiu, Kwok-Keung

“…Prussian blue (PB) has shown strong catalytic property for the reduction of hydrogen peroxide, but the application in biosensor fabrication is limited for its…”
Get full text

Scanning Tunneling Microscopic and Voltammetric Studies of the Surface Structures of an Electrochemically Activated Glassy Carbon Electrode by Shi, Kang, Shiu, Kwok-Keung

“…The microscopic surface structures of electrochemically activated glassy carbon have been examined by scanning tunneling microscopy. Experimental results…”
Get full text

Investigation of the optimal weight contents of reduced graphene oxide–gold nanoparticles composites and theirs application in electrochemical biosensors by Bai, Xiaoyun, Shiu, Kwok-Keung

“…Graphene, as a single-atom-thick carbon material, is considered an ideal platform for designing composite nanomaterials for high-performance electrochemical or…”
Get full text

In Situ FTIR Spectroscopic Studies of Adsorption of CO, SCN-, and Poly(o-phenylenediamine) on Electrodes of Nanometer Thin Films of Pt, Pd, and Rh:  Abnormal Infrared Effects (AIREs) by Lu, Guo-Qiang, Sun, Shi-Gang, Cai, Li-Rong, Chen, Sheng-Pei, Tian, Zhao-Wu, Shiu, Kwok-Keung

“…Pt, Pd, and Rh films of a few nanometers in thickness supported on glassy carbon (GC) and other substrates were prepared by electrochemical voltammetry. STM…”
Get full text

Layer-by-layer Assembly of Prussian Blue and Carbon Nanotube Composites with Poly(diallyldimethylammonium chloride) for the Sensitive Detection of Hydrogen Peroxide by LI, Jian, YAO, Yanli, SHIU, Kwok-Keung

“…Prussian blue (PB) was deposited on multi-walled carbon nanotubes (MWCNT) in an aqueous solution. Multi-layer composites of the MWCNT-PB hybride material were…”
Get full text

Highly Sensitive Amperometric Glucose Biosensor Based on Glassy Carbon Electrode with Copper/Palladium Coating by Dai, Yi-Qing, Shiu, Kwok-Keung

“…A highly sensitive amperometric glucose biosensor based on immobilizing glucose oxidase in electropolymerized poly(o‐phenylenediamine) film on glassy carbon…”
Get full text

Selective Determination of Vitamin B2 at Electrochemically Activated Glassy Carbon Electrode by Shiu, Kwok-Keung, Shi, Kang

“…Electrochemically activated glassy carbon electrodes were applied to the preconcentration and electroanalysis of Vitamin B2 (VB2) in multivitamin preparation…”
Get full text

Detecting low-brominated diphenyl ethers by highly sensitive biosensors based on the blocking effect on glucose oxidase by Jiang, Xuerui, Bai, Xiaoyun, Liu, Xiaohui, Wang, Xuemei, Shiu, Kwok-Keung

“…Low-brominated diphenyl ether, whose species have an average of 1–4 bromine atoms per molecule, have attracted more and more attention for their high risk of…”
Get full text