Article
Chemistry, Physical
Kenneth Chu, Jonathan R. Adsetts, Jing Ma, Congyang Zhang, Mahdi Hesari, Liuqing Yang, Zhifeng Ding
Summary: In this study, an absolute method using a photon-counting device was developed to determine the electrochemiluminescence quantum efficiency of coreactant systems. The efficiency of the Ru(bpy)(3)(2+)/ tri-n-propylamine (TPrA) ECL coreactant system was found to be 10.0 +/- 1.1%, showing a 3-fold enhancement compared to annihilation pathways. These findings suggest a promising approach in the expanding field of ECL research.
JOURNAL OF PHYSICAL CHEMISTRY C
(2021)
Article
Chemistry, Analytical
Ruifen Sun, Xiumin Yu, Jie Chen, Weiwei Zhang, Yun Huang, Jingcheng Zheng, Yuwu Chi
Summary: In this study, highly electrochemiluminescent perovskite quantum dots (PQDs) were synthesized by optimizing the synthesis conditions. The volume of the precursor solution, concentrations of CsBr and PbBr2, amount of capping reagents, and synthesis reaction temperature were found to significantly affect the ECL activity of PQDs. The new PQDs, characterized as hybrids of 3D PQDs and 0D PQDs with unique morphologies, exhibited much higher ECL activity compared to prevailing 3D PQDs. These novel PQDs were successfully applied for the ECL sensing of bisphenol A, showing promising potential in analytical chemistry.
ANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
Jingjing Zhang, Lin Hao, Jie Chao, Lianhui Wang, Shao Su
Summary: In this study, an ECL imaging technique for single cell membrane protein based on Co3O4 nanozyme catalytic enhancement strategy was developed. The highly efficient catalytic performance of Co3O4 nanozymes allows efficient decomposition of H2O2 into reactive oxygen radicals, leading to enhanced reaction with the luminescence reagent L012 and stronger ECL emission. The optimized design of Co3O4 nanozymes coupled with anti-CEA enables specific recognition of overexpressed CEA on the MCF-7 cell membrane, enabling rapid ECL imaging of single cell membrane protein.
CHEMICAL COMMUNICATIONS
(2023)
Article
Chemistry, Analytical
Xuemei Ma, Qi Kang, Mengmeng Li, Li Fu, Guizheng Zou, Dazhong Shen
Summary: In this study, a modulating strategy involving a band-pass filter is proposed to determine the electrochemiluminescence (ECL) spectrum. The strategy allows for the upgrade of a conventional ECL analyzer to a highly sensitive ECL spectrometer without changing the hardware. The strategy enables the determination of ultra-weak emission spectra and the demonstration of the interaction between co-existing emitters.
ANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Analytical
Jin-Ling Zhang, Li-Ying Yao, Yang Yang, Wen-Bin Liang, Ruo Yuan, Dong-Rong Xiao
Summary: The study focuses on improving the electrochemiluminescence (ECL) performance of covalent organic frameworks (COFs) by enhancing conductivity and pre-reduction, and applying them to ultrasensitive biosensor detection systems.
ANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Analytical
Xiaofei Wang, Huiwen Liu, Jiaxing Jiang, Manping Qian, Honglan Qi, Qiang Gao, Chengxiao Zhang
Summary: This study reports on a cyanophenyl-functionalized tetraphenylethene material with highly efficient aggregation-induced enhanced electrochemiluminescence (ECL), which has potential applications in biothiol analysis. The material exhibits high ECL efficiency and stability, achieved through the suppression of nonradiative transition, decrease in energy gap, and increase in anionic radical stability. Additionally, the material can be used to develop biothiol assays with low detection limits.
ANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
Hang Gao, Jia-Bao Lin, Shu-Min Wang, Qian-Qian Tao, Ben-Zhong Tang, Hong-Yuan Chen, Jing-Juan Xu
Summary: For the first time, the aggregation-induced electrochemiluminescence (AIECL) phenomenon of organic dots in aqueous media is reported, with near-infrared II (NIR-II) luminescence at 906 nm. A hybrid mechanism of ECL generation is revealed through experiments and calculations. This work opens up new possibilities for exploring efficient organic dye-based NIR-II AIECL emitters.
CHEMICAL COMMUNICATIONS
(2023)
Article
Chemistry, Multidisciplinary
Junjun Ge, Jing Liang, Xufeng Chen, Yalei Deng, Pengwei Xiao, Jun-Jie Zhu, Yuanyuan Wang
Summary: Surface engineering is critical for enhancing the optical and electrochemical properties of nanomaterials. This study developed a general surface modification strategy to design all-inorganic MSCs and investigated their surface states using electrochemiluminescence.
Article
Chemistry, Analytical
Xuwen Gao, Xiaoxuan Ren, Yaojia Ai, Mengwei Li, Bin Zhang, Guizheng Zou
Summary: This study proposes a coreactant-free electrochemiluminescence method using mercaptopropionic acid and hexametaphosphate as the capping agents. The method achieves low-triggering-potential and coreactant-free electrochemiluminescence. The method is used for the sensitive and selective determination of molecular protein ProGRP.
ANALYTICAL CHEMISTRY
(2023)
Article
Chemistry, Inorganic & Nuclear
Jianhua Dong, Yangming Ding, Yuyang Zhou
Summary: A study was conducted to design and synthesize mononuclear iridium-based and ruthenium-based complexes with amine and carboxylic acid groups respectively, as well as a heterodinuclear complex with an amide bond bridge. The photophysical and electrochemical properties and electrochemiluminescence performances of these complexes were characterized under different experimental conditions. The results of this comprehensive comparison study provide insights into the design of bimetallic multicolor luminophores at the molecular level, contributing to a better understanding of the emission performances of bimetallic complexes and the rational design of efficient organometallic luminophores with multicolor emission for various applications in the future.
DALTON TRANSACTIONS
(2022)
Article
Chemistry, Analytical
Jinxia Liu, Xiaodi Liu, Huanhuan Chen, Luxia Yang, Aiting Cai, Haiwei Ji, Qi Wang, Xiaobo Zhou, Guo Li, Mingmin Wu, Yuling Qin, Li Wu
Summary: A novel methodology was proposed to improve the sensing performance of ECL immunosensor and demonstrated excellent detection performance. This method can be applied for analyzing cytokine biomarkers with a broad examination range, low detection limit, and high selectivity.
ANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Analytical
Defen Feng, Mingxing Xiao, Peihui Yang
Summary: A multiple signal-amplified electrochemiluminescence (ECL) urea sensor was developed using a self-enhanced probe and SiO2 photonic crystals for tracking urea transmembrane transport. The self-enhanced probe generated an initial ECL signal, which was further amplified by the enhanced light-scattering effect of SiO2 photonic crystals and the co-reaction with urea. The sensor exhibited excellent detection performance and was used to study urea transmembrane transport.
ANALYTICAL CHEMISTRY
(2023)
Article
Chemistry, Analytical
Zhenqiang Ning, Erli Yang, Yongjun Zheng, Mengyuan Chen, Guoqiu Wu, Yuanjian Zhang, Yanfei Shen
Summary: This study proposed a facile synthesis strategy to prepare a self-enhanced ECL emitter DEAMTES@RuSiO2, which exhibited improved ECL properties and film-forming ability critical for ECL biosensors. By combining catalytic hairpin assembly and signal amplification, a label-free ECL biosensor was constructed for highly sensitive detection of miRNA-21 with a detection limit of 8.19 fM, showing superior reliability in detecting miRNA-21 in human serum samples.
ANALYTICAL CHEMISTRY
(2021)
Article
Chemistry, Analytical
Liuqing Yang, Cindy Rae De-Jager, Jonathan Ralph Adsetts, Kenneth Chu, Kehan Liu, Congyang Zhang, Zhifeng Ding
Summary: The study on nitrogen- and sulfur-doped graphene quantum dots revealed strong near-infrared emission efficiency, making them promising for wide applications in biodetection in aqueous media.
ANALYTICAL CHEMISTRY
(2021)
Article
Chemistry, Analytical
Li Fu, Bin Zhang, Xuwen Gao, Shuangtian Dong, Dongyang Wang, Guizheng Zou
Summary: This study proposes a general approach to trigger chemiluminescence using charge transfer between oxidants and n-type nanocrystals. The chemiluminescent system developed through this method can be used for ultrasensitive immunoassays.
ANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Physical
Jeetika Yadav, Qiaoli Liang, Shanlin Pan
JOURNAL OF PHYSICAL CHEMISTRY C
(2020)
Article
Chemistry, Physical
Lyndi E. Strange, Jeetika Yadav, Sourav Garg, Pravin S. Shinde, Joshua W. Hill, Caleb M. Hill, Patrick Kung, Shanlin Pan
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2020)
Article
Multidisciplinary Sciences
Kailu Guo, Yantao Wang, Sizhuo Yang, Junfeng Huang, Zehua Zou, Hairui Pan, Pravin S. Shinde, Shanlin Pan, Jier Huang, Cailing Xu
Summary: A core-shell heterogeneous structure of oxygen evolution reaction (OER) electrocatalyst was fabricated in this study, showing low overpotential, small Tafel slope, and good long-term stability. X-ray photoelectron spectroscopy and X-ray absorption spectroscopy revealed the Fe-Se bond at the interface, while density functional theory calculation indicated the favorable effect of this bonding on OER activity.
Article
Chemistry, Analytical
Xiao Li, Shanlin Pan
Summary: The study introduces a new transparent UME-SECM method for investigating semiconductor PEC activities, capable of quantifying the interfacial charge-transfer rates and photocatalytic water oxidation reactions. This method provides insights into potential-dependent PEC water oxidation reaction mechanisms and quantitative analysis of photocurrent contributions.
ANALYTICAL CHEMISTRY
(2021)
Article
Electrochemistry
Lyndi E. Strange, Sourav Garg, Patrick Kung, Md Ashaduzzaman, Gregory Szulczewski, Shanlin Pan
Summary: This study presents a method for preparing transition metal dichalcogenides (TMD) and TMD bilayer electrodes using electrodeposition for electrocatalytic hydrogen evolution reaction (HER). The results demonstrate cost-effective deposition techniques and enhanced proton reduction activity for sequentially deposited bilayer TMD structures (including MoS2 and MoSe2).
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2022)
Article
Electrochemistry
Md Ashaduzzaman, Xin Kang, Lyndi Strange, Shanlin Pan
Summary: In this study, CO2 reduction reaction (CO2RR) catalyzed by Au nanoparticles (NPs) was reported. The Au NPs exhibited high selectivity in reducing CO2 to CO and hydrogen gas. A novel nanostructured electrode was used and the Au-2Mpy coated electrode showed high CO selectivity. The results also suggested that the pyridine attached to the Au NPs had no catalytic effects on CO2RR.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2022)
Review
Chemistry, Physical
Shanlin Pan, Md Ashaduzzaman, Xiao Li, Eric Wornyo
Summary: Photocatalysts integrated with surface plasmon metals provide a platform to understand energy harvesting and storage through physical and chemical enhancement processes. By using a nanoelectrode with a single plasmon metal nanoparticle, complex enhancement processes can be resolved, which are not achievable with conventional ensemble averaging methods. This opinion presents preliminary theoretical results on the electrochemical and optical field enhancement characteristics of a single nanoparticle interacting with a semiconductor surface. Potential methodologies and challenges in constructing single plasmon nanoelectrodes are discussed.
CURRENT OPINION IN ELECTROCHEMISTRY
(2023)
Article
Chemistry, Physical
Shanlin Pan, Xiao Li, Jeetika Yadav
Summary: This review discusses recent advances in spectroelectrochemistry analysis of single metallic nanoparticles with strong surface plasmon resonance properties. Methods such as dark-field scattering, photoluminescence, and electrogenerated chemiluminescence are used to detect individual nanoparticles and study their local redox activities. These methods rely on the light-scattering properties of plasmonic metals and their electrocatalytic characteristics for studying surface chemistry and catalyzed reactions at the single nanoparticle level.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2021)
Review
Electrochemistry
Lyndi E. Strange, Jeetika Yadav, Xiao Li, Shanlin Pan
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2020)
Proceedings Paper
Materials Science, Multidisciplinary
V. Divya, Y. Jeetika, M. V. Sangaranarayanan
MATERIALS TODAY-PROCEEDINGS
(2020)
