Article
Chemistry, Applied
Qingteng Lai, Qibin Niu, Chi Zhang, Nuno M. Reis, Mengqiu Long, Fuliang Wang, Zhengchun Liu
Summary: In this study, a Cu-Au bimetallic microelectrode array was prepared via electrochemical methods without the need for templates and additional nanomaterial preparation processes. The 3D nano-arrays on the surface of the microelectrode show excellent sensing performance for glucose, with a wide linear detection range and low detection limit. The feasibility of the sensor was verified by detecting glucose in beverages with good recoveries.
Article
Chemistry, Analytical
Keerakit Kaewket, Pattanaphong Janphuang, Peerawat Laohana, Nantawat Tanapongpisit, Wittawat Saenrang, Kamonwad Ngamchuea
Summary: In this study, silver microelectrode arrays were fabricated using photolithography for the analysis of H2O2 in low ionic strength samples. The developed sensor showed excellent repeatability and reproducibility, and could detect H2O2 directly without the addition of supporting electrolyte.
Article
Nanoscience & Nanotechnology
Mazen Erfan, Martine Gnambodoe-Capochichi, Yasser M. Sabry, Diaa Khalil, Yamin Leprince-Wang, Tarik Bourouina
Summary: The integration of zinc oxide nanowires into a microfluidic chamber presents technological challenges and scientific opportunities explored in this study. By utilizing a unique experimental platform combining optical characterization with a microfluidic reactor, researchers were able to monitor the in situ growth of nanowires in real-time and assess their uniformity in a tiny microchamber. Factors such as flow rate and continuous renewal of the growth solution were observed to affect the diameter and length of the nanowires, demonstrating the synergetic effects of the chemical reaction environment.
MICROSYSTEMS & NANOENGINEERING
(2021)
Article
Chemistry, Analytical
Ali Khodayari Bavil, Drago Sticker, Mario Rothbauer, Peter Ertl, Jungkyu Kim
Summary: An impedimetric biosensor platform was developed to enhance the sensitivity of immunoassays using microparticles as labels by measuring electrical impedance changes. Through testing various microparticles, it was found that magnetic microparticles provided high signal enhancement and stability on the sensor array. By incorporating magnetic microparticles, over ten times improvement of LOD was achieved in sandwich immunoassays.
Article
Chemistry, Analytical
Dongzhi Zhang, Qian Mi, Dongyue Wang, Tingting Li
Summary: A self-powered high-performance gas sensor based on MXene/Co3O4 composite driven by ZnO/MXene nanowire arrays piezoelectric nanogenerator at room temperature was reported, showing significant response to formaldehyde concentration. The sensor has potential application value for detecting formaldehyde, and the piezoelectric output voltage can drive the sensor effectively.
SENSORS AND ACTUATORS B-CHEMICAL
(2021)
Article
Chemistry, Multidisciplinary
Kai Zhang, Zhihui Ren, Huichen Cao, Lingling Li, Ying Wang, Wei Zhang, Yubao Li, Haitao Yang, You Meng, Johnny C. Ho, Zhongming Wei, Guozhen Shen
Summary: The near-infrared polarimetric image sensor has become a research hotspot due to its wide range of applications. The ordered GaSb nanowire arrays synthesized through a sulfur-catalyzed chemical vapor deposition process show potential for near-infrared polarization photodetection. The sulfur-passivation GaSb nanowire-based photodetector exhibits lower dark current and higher responsivity than pure GaSb nanowires. A flexible polarimetric image sensor with good imaging ability for incident near-infrared polarization light is successfully constructed on the ordered S-GaSb nanowire arrays. These properties empower ordered S-GaSb nanowire arrays with technological potentials in next-generation large-scale near-infrared polarimetric imaging sensors.
Article
Nanoscience & Nanotechnology
Hui Chen, Yihao Shi, Jiahao Qin, Guangshang Sheng, Cheng Zhang, Bingchang Zhang, Xiaohong Zhang
Summary: Ag-assisted chemical etching (AgACE) is a low-cost method to produce silicon nanowires (SiNWs) for photoelectric applications. The structure parameters, including array density, of SiNWs have a significant impact on their optical and photoelectric properties. This study experimentally investigates the effect of array density on the optical and photoelectric properties of SiNWs.
Article
Nanoscience & Nanotechnology
Xiaofang Guo, Baojin Zhang, Shuangshuang Wei, Yajie Pan, Juan Xu, Jinyi Wang, Tianbao Li
Summary: Microsphere arrays have wide-ranging applications and great potential in various fields. However, the preparation of microsphere arrays with multiple dimensions and morphologies is still challenging. In this study, a novel microsphere array direct writing technology using a portable droplet microfluidic device and a high-precision XY movable platform was developed, enabling precise and controllable fabrication of microsphere arrays. The technology was also successfully applied to fabricating gel microsphere arrays with metal ion patterns for visual analytical detection and simulated microsphere arrays for generating uniform 3D tumor spheroids. Therefore, this simple high-speed technology has promising applications in the multidisciplinary intersection of chemical, biological, and material sciences.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Nanoscience & Nanotechnology
Valeriy M. Kondratev, Ivan A. Morozov, Ekaterina A. Vyacheslavova, Demid A. Kirilenko, Alexey Kuznetsov, Svetlana A. Kadinskaya, Svetlana S. Nalimova, Vyacheslav A. Moshnikov, Alexander S. Gudovskikh, Alexey D. Bolshakov
Summary: Silicon nanowires deposited on interdigital metal contacts via drop casting exhibit an abrupt increase in conductivity upon exposure to ammonia vapors and aqueous solutions, showing the potential for low-concentration detection of ammonia with selectivity.
ACS APPLIED NANO MATERIALS
(2022)
Article
Chemistry, Physical
Tiantian Dai, Zanhong Deng, Xiaodong Fang, Huadong Lu, Yong He, Junqing Chang, Shimao Wang, Nengwei Zhu, Liang Li, Gang Meng
Summary: By controlling the use of shadow masks and the thickness of the copper film, the position and spacing of CuO microhemisphere nanowires can be well controlled, allowing for bridging of adjacent nanowires and benefiting highly sensitive TMA sensors and broad band photodetectors. The electrical response of 3.62 to 100 ppm TMA is comparable to state-of-the-art CuO-based sensors, suggesting promising commercial device applications of CuO nanowires through in situ assembly of RB-MNAs device arrays using common lithographic technologies.
Article
Biophysics
Anshun Zhao, Tao Lin, Yun Xu, Weiguo Zhang, Muhammad Asif, Yimin Sun, Fei Xiao
Summary: This study developed an integrated electrochemical microfluidic sensing platform using freestanding graphene fiber microelectrode modified with nickel-cobalt phosphide nanosheet arrays, which shows excellent sensing performances towards neurotransmitter dopamine and can be used for sensitive analysis in human serum and urine samples.
BIOSENSORS & BIOELECTRONICS
(2022)
Article
Chemistry, Multidisciplinary
Yuting Xiong, Xiuzhen Xu, Bo Chen, Xiaobin Xu
Summary: A facile fabrication approach for the high-quality synthesis of 1D perovskite triangular nanowire arrays through space-confined effect is reported. The obtained nanowires exhibited superior photoresponse properties, and the fabrication method is scalable and compatible with current semiconductor manufacturing.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Analytical
Guanglei Fu, Ruixia Hou, Xianbo Mou, Xiujun Li
Summary: This study developed a photothermal bar-chart microfluidic immunosensing chip that utilized the photothermal pumping technique to visualize conventional ELISA signals, offering a new perspective for the application of microfluidics in biomedical analysis.
ANALYTICAL CHEMISTRY
(2021)
Article
Chemistry, Analytical
Amir Osman Abdelrazig, Bao Thai Tran, Patsamon Rijiravanich, Werasak Surareungchai
Summary: A microfluidic analytical device based on wax-patterned Fusion 5 paper was developed for rapid nucleic acid detection of the main causal agent of chili anthracnose in Asia. The biosensor used DNA-conjugated gold nanoparticles for detection with a detection limit down to 17.42 femtomoles, offering a specific and on-site detection method within 15 minutes. The device shows potential for protein assays and has a significant impact on on-site diagnostics.
ANALYTICAL METHODS
(2021)
Article
Electrochemistry
Yiwen Wang, Guodong Zhu, Dongfang Wang, Manhong Huang, Jianmao Yang, Jianyun Liu
Summary: In this study, ultrafine Ag nanoparticles-decorated polyaniline nanowire arrays were successfully synthesized and applied for the rapid and accurate detection of sulfamethoxazole (SMX). The modified electrode exhibited a high electrochemical response and sensitivity, making it suitable for assessing the environmental risk of antibiotics.
ELECTROCHIMICA ACTA
(2022)
Article
Biochemical Research Methods
Colleen E. Krause, Brunah A. Otieno, Gregory W. Bishop, Gayatri Phadke, Linda Choquette, Rajesh V. Lalla, Douglas E. Peterson, James F. Rusling
ANALYTICAL AND BIOANALYTICAL CHEMISTRY
(2015)
Article
Chemistry, Analytical
Huijing Cai, Yixian Wang, Yun Yu, Michael V. Mirkin, Snehasis Bhakta, Gregory W. Bishop, Amit A. Joshi, James F. Rusling
ANALYTICAL CHEMISTRY
(2015)
Article
Chemistry, Analytical
Gregory W. Bishop, Jennifer E. Satterwhite, Snehasis Bhakta, Karteek Kadimisetty, Kelsey M. Gillette, Eric Chen, James F. Rusling
ANALYTICAL CHEMISTRY
(2015)
Article
Chemistry, Physical
Gregory W. Bishop, Marcos M. Lopez, Pradeep Rarniah Rajasekaran, Xiaojian Wu, Charles R. Martin
JOURNAL OF PHYSICAL CHEMISTRY C
(2015)
Article
Chemistry, Multidisciplinary
Gregory W. Bishop, Jennifer E. Satterwhite-Warden, Itti Bist, Eric Chen, James F. Rusling
Article
Electrochemistry
Gregory W. Bishop, Ben K. Ahiadu, Jordan L. Smith, Jeremy D. Patterson
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2017)
Article
Nanoscience & Nanotechnology
Gregory W. Bishop, Jennifer E. Satterwhite-Warden, Karteek Kadimisetty, James F. Rusling
Article
Chemistry, Multidisciplinary
Pu Jin, Hitomi Mukaibo, Lloyd P. Horne, Gregory W. Bishop, Charles R. Martin
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2010)
Article
Materials Science, Biomaterials
James F. Rusling, Gregory W. Bishop, Nhi M. Doan, Fotios Papadimitrakopoulos
JOURNAL OF MATERIALS CHEMISTRY B
(2014)
Article
Chemistry, Analytical
Chidiebere I. Ogbu, Xu Feng, Samson N. Dada, Gregory W. Bishop
Article
Biophysics
Mohamed Sharafeldin, Gregory W. Bishop, Snehasis Bhakta, Abdelhamid El-Sawy, Steven L. Suib, James F. Rusling
BIOSENSORS & BIOELECTRONICS
(2017)
Article
Chemistry, Multidisciplinary
Lindsay T. Sexton, Lloyd P. Horne, Stefanie A. Sherrill, Gregory W. Bishop, Lane A. Baker, Charles R. Martin
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2007)
Article
Electrochemistry
Gregory W. Bishop, Jonathan A. Karty, Dennis G. Peters
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2007)