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Article
Chemistry, Multidisciplinary
Rong Tan et al.
Summary: A self-checking photoelectrochemical biosensor with dual photocurrent signals was developed to eliminate false-positive or false-negative signals. By introducing the iodide/tri-iodide redox couple, the photocurrent polarity-switchable behavior was achieved, which circumvented the inconvenience caused by the addition of different hole-and electron-trapping agents in the electrolyte. Moreover, the catalytic activity of nickel single-atom catalysts enhanced the photoelectric responsivity, enabling a more efficient iodide/tri-iodide redox reaction under low applied voltages. This proposed photocurrent polarity switching system offers new routes to sensitive and reliable biosensing.
Article
Chemistry, Analytical
Xue Huang et al.
Summary: A Fe-loaded Bi2O2S nanosheet photoanode was developed as a photoelectric biomonitoring platform for the detection of prostate-specific antigen (PSA) using a biocatalytic precipitation strategy. The photoanode exhibited highly photoactive properties, allowing for the detection of PSA through the catalytic generation of hydroxyl radicals and the oxidation of 4-chloro-1-naphthol to benzo-4-chloro-hexadienone. The sensor based on this platform achieved a dynamic response range of 0.1-100 ng mL-1 with a limit of detection of 34.2 pg mL-1.
ANALYTICA CHIMICA ACTA
(2023)
Article
Chemistry, Analytical
Futing Wang et al.
Summary: A dual-biomarker, self-powered biosensor was developed using enzymatic biofuel cells, catalytic hairpin assembly, and DNA hybridization chain reaction. It can detect microRNA-21 (miRNA-21) and microRNA-155 (miRNA-155) with high sensitivity. The biosensor operates by generating a double-helix chain in the presence of miRNA-21, while miRNA-155 inhibits the completion of the reaction. The self-powered biosensor allows for simultaneous ultrasensitive detection of miRNA-21 and miRNA-155, with detection limits of 0.15 and 0.66 fM, respectively. It also demonstrates highly sensitive detection in human serum samples.
ANALYTICAL CHEMISTRY
(2023)
Article
Biophysics
Longhui Zheng et al.
Summary: The development of a highly sensitive photoelectrochemical (PEC) biosensor, named GBCN, based on boron and graphene quantum dots co-doped g-C3N4, has been achieved. GBCN exhibited the greatest photocurrent response and PEC activity, compared to other materials. This PEC sensor showed a broad linear range (0.001-800 μM) and a low detection limit (0.96 nM), with a sensitivity up to 10.3771 μA/μM/cm2 for GBCN. This research is of great importance for the creation of a highly sensitive and selective PEC platform for detecting biomolecules.
BIOSENSORS & BIOELECTRONICS
(2023)
Article
Chemistry, Analytical
Jingxian Li et al.
Summary: This work presents a novel off-on biosensor for highly sensitive and selective detection of aflatoxin B1 (AFB1). The biosensor utilizes electrochemiluminescence (ECL) and aggregation-induced emission (AIE) to enhance ECL performance, and employs hairpin DNA1 (H1) and ferrocene (Fc)-apt as switches for the off-on mode. In the absence of AFB1, the biosensor remains in the off state, but in the presence of AFB1, it switches to the on state, allowing for quantification of AFB1 with an ultralow detection limit of 0.46 pg center dot mL-1.
SENSORS AND ACTUATORS B-CHEMICAL
(2023)
Article
Chemistry, Physical
Shuoren Li et al.
Summary: In this study, a plasmon-enhanced Z-Scheme heterostructure with nano-defects and oxygen-sulfur modification of gold nanodots was synthesized. The system exhibited excellent photoelectrochemical catalytic activity and promoted water oxidation by improving the redox capacity and electron-hole separation efficiency of the catalysts.
APPLIED SURFACE SCIENCE
(2023)
Article
Chemistry, Multidisciplinary
Ding Jiang et al.
Summary: A novel near-infrared self-powered photoelectrochemical platform was constructed using nonmetallic plasmon Ti3C2 MXene and sulphur vacancy engineered Bi2S3. The continuous photoelectron injection from Bi2S3 to Ti3C2 MXene induced a stable SPR effect and high photoelectric conversion efficiency, enabling the development of high-performance NIR self-powered biosensors. As a proof of concept, a sensitive NIR self-powered sensor was constructed using Microcystin-RR as a model analyte.
CHEMICAL COMMUNICATIONS
(2023)
Article
Chemistry, Analytical
Yamin Fu et al.
Summary: Water pollution is a significant environmental concern. In this study, a switchable photocurrent-polarity platform based on iron phthalocyanine was developed for highly selective assay of arsenate. The platform showed a low detection limit and a wide linear response range, meeting the detection requirement for arsenic concentration in drinking water. Additionally, the platform effectively avoided false-positive or false-negative results and could simultaneously separate arsenate from the detection system.
ANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Analytical
Jingxian Li et al.
Summary: A dual-signal electrochemiluminescence (ECL) platform was designed for ultrasensitive and highly selective detection of kanamycin (KAN), with the ability to largely eliminate false-positives or false-negatives by self-calibration in the KAN assay process.
ANALYTICAL CHEMISTRY
(2022)
Article
Biophysics
Bin Li et al.
Summary: This study synthesized single-atom platinum-anchored Zn0.5Cd0.5S nanostructures to construct a photoelectrochemical immunosensor for detecting prostate-specific antigen (PSA). The ion-exchange reaction between CuO-labeled secondary antibody and the nanostructures significantly improved the photocurrent, enhancing the sensitivity of the immunoassay. The immunoassay exhibited a detection range of 1.0 to 10000 pg/mL for PSA, with a limit of detection of 0.22 pg/mL, along with good repeatability, strong anti-interference, and high accuracy.
BIOSENSORS & BIOELECTRONICS
(2022)
Article
Biophysics
Jian-Hong Zhu et al.
Summary: In this study, a novel aptasensor was designed for ultra-sensitive detection of telomerase activity by utilizing Au nanoparticles and Cu2+-modified boron nitride nanosheets as nanozyme. By using Ag2S/Ag nanoparticles decorated ZnIn2S4/C3N4 Z-scheme heterostructures and PEC signal amplification strategy, an aptasensor with a wide linear range and low detection limit was successfully developed.
BIOSENSORS & BIOELECTRONICS
(2022)
Article
Biophysics
Mingxuan Peng et al.
Summary: In this study, a novel heterojunction was constructed to enhance the photoelectrochemical performance and detect CA15-3. The mechanism of how In2S3-HNRs improve photochemical properties under visible light was elucidated, and the working mechanism of the novel heterojunction was revealed.
BIOSENSORS & BIOELECTRONICS
(2022)
Article
Engineering, Environmental
Tianxiang Hang et al.
Summary: Metal-organic frameworks (MOFs) based materials have great potential in catalysis design, but their applications in sensitive detection are still in the early stage. In this study, a hierarchical structure of plasmon-promoted MOFs-based photoelectrochemical immunoassays is developed with improved detection performance.
CHEMICAL ENGINEERING JOURNAL
(2022)
Review
Chemistry, Multidisciplinary
Mahmoud Sayed et al.
Summary: This review comprehensively summarizes the recent advances and applications of non-noble plasmonic metal (NNPMs)-based photocatalysts. By introducing the principles of surface plasmon resonance (SPR) and discussing the functionalities and attributes of NNPMs in photocatalysis, their applications in pollutant removal, water splitting, CO2 reduction, and organic transformations are explored. The review concludes by addressing the current challenges and future prospects in the field of plasmon-based photocatalysis, emphasizing its interdisciplinary nature across materials science, chemistry, and physics.
Article
Chemistry, Analytical
Chen Chen et al.
Summary: This study successfully synthesized an Au@PtAg/TiO2-Ti3C2 Schottky junction photoelectrode, which improved the generation efficiency of photocurrent by capturing and storing photogenerated electrons. The sensitivity of the aptasensor was further enhanced through Mg2+-dependent DNAzyme cascade amplification.
ANALYTICA CHIMICA ACTA
(2022)
Article
Nanoscience & Nanotechnology
Jingxian Li et al.
Summary: A novel sandwich-type immunosensor was developed using Pt@ SnS2 as a matrix and N,B-Eu MOFs as a signal amplifier. The immunosensor showed high sensitivity and selectivity for the detection of CEA. It exhibited excellent ECL performance and stability, making it suitable for real human serum.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Analytical
Yuting Zhou et al.
Summary: In this study, a three-dimensional hollow HCdS@Au nanosphere was synthesized and used to construct a multimodal sensing platform for sensitive and selective detection of carcinoembryonic antigen (CEA). The platform combines photoelectrochemical (PEC) biosensor with colorimetric analysis and photothermal imaging. By ion exchange reaction, CEA detection was successfully achieved through PEC and colorimetric methods, and qualitative visual analysis was performed using the highly photothermal CuS product. The study demonstrates excellent performance in CEA detection with a low detection limit and potential clinical applications.
ANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Analytical
Nuo Zhang et al.
Summary: In this study, a novel dual mode detection system combining split-type photoelectrochemical and visual immunoassay was developed for simultaneous detection of neuron specific enolase (NSE). Gold nanoparticle-loaded Fe3O4 was used as secondary antibody markers and signal regulators for visual detection. The split-type photoelectrochemical sensing platform provided enhanced and stable initial signal for sensitive NSE detection. The system achieved a low detection limit of 14.0 fg/mL and a wide linear range from 50.0 fg/mL to 50.0 ng/mL.
ANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Analytical
Jingxian Li et al.
Summary: In this study, a novel electrochemical luminescence sensing system based on catalytic hairpin assembly and nonmetallic surface plasmon resonance was designed for ultrasensitive and selective miRNA-21 detection. The system achieved a limit of detection of 0.6 aM and exhibited excellent stability and reproducibility for miRNA-21 detection in real human serum.
ANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Analytical
Yuan Gao et al.
Summary: Recently emerged Z-scheme heterostructure-based immunoassays provide new opportunities for photoelectrochemical biosensing development. A tunable signal-on PEC biosensor for the detection of cardiac troponin I (cTnI) was described, which exploited a competitive absorption effect between Cu(II) ions and a Zr metal-organic framework (Zr-MOF) constructed on TiO2 nanorods (Cu2+@Zr-MOF@TiO2 NRs). The developed PEC biosensing platform exhibited high sensitivity and selectivity for the cTnI immunoassay.
ANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Analytical
Min Chen et al.
Summary: Organic photoelectric materials with conjugated electron-rich structures and good biocompatibilities have great potential in biosensors. In this study, a promising organic photoelectric multielectron donor nanocomposite was developed for highly sensitive PEC immunoassays. The nanocomposite exhibited excellent sensitivity and stability in an immunosensing system, and its sensitization was achieved by self-structure without the need for an additional electron donor.
ANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Analytical
Tianxiang Hang et al.
Summary: In this study, dual Z-scheme photoelectrochemical (PEC) immunoassays with hierarchical nanostructures were developed for ultrasensitive detection of prostate-specific antigen (PSA). The dual Z-scheme configuration and the smart MOF-derived labeling probe contributed to the high detection performance.
ANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Analytical
Qian Cheng et al.
Summary: This study introduces a novel microfluidic ratiometric magnetic-photoelectrochemical biosensor based on a photochromic composite platform, utilizing an external magnetic field to modulate the photoactivity of a secondary antibody marker and achieve ratiometric detection. This new approach provides a unique perspective in bioanalysis and demonstrates the potential for expanding to different biorecognition cases.
ANALYTICAL CHEMISTRY
(2021)
Article
Biophysics
Xiaojuan Liu et al.
Summary: This study presents an immobilization-free PEC biosensor for ultrasensitive determination of CEA, utilizing DNA-functionalized MOFs and T7 exonuclease-assisted recycling amplification. The biosensor shows a low detection limit, wide linear range, high selectivity for CEA detection, and great potential for application in bioanalysis and early disease diagnosis.
BIOSENSORS & BIOELECTRONICS
(2021)
Article
Biophysics
Jingjun Peng et al.
Summary: In this study, a high-efficiency photoactive material, hollow ZnIn2S4 nanocages, was synthesized through a metal-organic framework (MOF) derived method. When combined with TiO2 modified electrode, the ZIS-HNCs exhibited intense transient photocurrent and were utilized to establish a signal-off photoelectrochemical (PEC) aptasensor for sensitive detection of lincomycin. This study provides a promising strategy for designing nanomaterials with superior photoelectric activity for PEC sensing applications.
BIOSENSORS & BIOELECTRONICS
(2021)
Article
Biophysics
Jian-Hong Zhu et al.
Summary: A novel signal-on PEC aptasensor was developed for highly sensitive and selective detection of chloramphenicol. The sensor achieved a wide linear range of 2-250 nM and a low limit of detection of 0.226 nM through the combination of 3D self-supporting AgI/Ag/BiOI Z-scheme heterojunction arrays and BCP signal amplification strategy. This work opens up new possibilities for PEC aptasensing technology and demonstrates potential for bioanalysis of environmental samples.
BIOSENSORS & BIOELECTRONICS
(2021)
Review
Chemistry, Multidisciplinary
Jian Zhao et al.
Summary: This review discusses the role of LSPR in electrocatalysis, the mechanisms and preparation methods, as well as characterization strategies. It also highlights representative examples of direct and indirect plasmonic metal-driven electrocatalytic reactions.
CHEMICAL SOCIETY REVIEWS
(2021)
Article
Chemistry, Multidisciplinary
Chuanping Li et al.
Summary: Precise modulation and nano-engineering of PEC materials are important for improving PEC catalytic activities. The study demonstrates that 3D-coaxial plasmonic hetero-nanostructures exhibit superior solar energy conversion efficiency in PEC water splitting due to high-speed charge transfer channels and excellent light utilization ability.
Review
Chemistry, Analytical
Jian Shu et al.
ANALYTICAL CHEMISTRY
(2020)
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Chemistry, Analytical
Feng-Zao Chen et al.
ANALYTICAL CHEMISTRY
(2020)
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Biophysics
Fei Li et al.
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(2020)
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Zhi-Quan Wei et al.
JOURNAL OF MATERIALS CHEMISTRY A
(2020)
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Min Chen et al.
CHEMICAL COMMUNICATIONS
(2020)
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Nanoscience & Nanotechnology
Yuan-Cheng Zhu et al.
ACS APPLIED MATERIALS & INTERFACES
(2019)
Review
Chemistry, Multidisciplinary
Jianhua Zhou et al.
CHINESE CHEMICAL LETTERS
(2018)
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Nianqiang Wu
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ANALYTICAL CHEMISTRY
(2017)
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Youxiu Lin et al.
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(2017)
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(2015)
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Gao-Chao Fan et al.
ANALYTICAL CHEMISTRY
(2014)
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Jiangtian Li et al.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2014)
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Multidisciplinary Sciences
Mark W. Knight et al.
Review
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Prashant K. Jain et al.
ACCOUNTS OF CHEMICAL RESEARCH
(2008)
