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Article
Chemistry, Analytical
Yujie Han et al.
Summary: This article introduces a novel electrochemiluminescence (ECL) biosensor for the detection of neuron-specific enolase (NSE), a biomarker for small cell lung cancer. The biosensor utilizes nitrogen-doped carbon quantum dots (N-CQDs) as emitters and molybdenum sulfide/ferric oxide (MoS2@Fe2O3) nanocomposites as a coreaction accelerator. The N-CQDs exhibit low excitation potential and maintain the activity of immune molecules, while the MoS2@Fe2O3 nanocomposites provide a large number of binding sites for immune molecules and accelerate the coreaction with hydrogen peroxide.
ANALYTICAL CHEMISTRY
(2023)
Article
Chemistry, Physical
Peishu Yang et al.
Summary: High entropy alloy thin film electrodes prepared by magnetron sputtering have a large number of defects and high entropy properties, which are beneficial for electrocatalytic oxygen evolution reaction (OER). However, their OER performance is limited without activation. In this study, in-situ reconstruction (chloride corrosion) is used to activate FeCoNiCrMn high entropy alloy thin film electrodes and improve their OER performance. The research shows that high entropy hydroxides and high entropy (oxy)hydroxides are generated on the surface of the electrodes during in-situ reconstruction, which are the real active centers of OER electrocatalysts. Moreover, there is a clear quantitative relationship among the elements on the surface of the high entropy alloy thin film electrodes after complex chloride corrosion reaction: Ni > Mn > Fe > Co > Cr. Additionally, the OER performance of the electrodes with in-situ reconstruction achieves an overpotential of 263 mV and a Tafel slope of 50.9 mVdec1. The sponge-like structures created by in-situ reconstitution increase the surface active areas, and the increased contents of high-valence elements after in-situ reconstruction contribute to the enhanced electrocatalytic OER activity.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Analytical
Yan Liu et al.
Summary: Developing distinct sensing strategies and their rational combination has been proven effective for enhancing the analytical performance of electrochemical biosensors. A novel biocatalytic-mediated method using a Mn-doped Cu(OH)2 hexagonal nanoring is designed to form a CuxS-based heterojunction on the electrode surface, enabling highly selective hydrogen sulfide (H2S) detection. The combination of heterojunction strategy and electrochemical detection can address electrode passivation caused by sulfur poisoning. The atomically dispersed nanocomposites on the sensing interface enhance H2S electrocatalytic activity, resulting in an excellent sensitivity, selectivity, and stability of the H2S-responsive electrochemical sensing platform. Under optimal experimental parameters, the platform shows a wide linear range for H2S, which will contribute to a better understanding of the H2S mechanism in complex living systems.
SENSORS AND ACTUATORS B-CHEMICAL
(2023)
Article
Chemistry, Multidisciplinary
Yutian He et al.
Summary: Electrochemical splitting of water is an efficient pathway to the energy revolution. Efficient non-noble metal catalysts have been developed to overcome the challenge of high cost. A FeCoNiWMo high-entropy alloy with a rhomboidal structure was prepared, promoting water splitting with fast electron transport.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2023)
Article
Chemistry, Physical
Tingting Yu et al.
Summary: This study constructs electrocatalysts with high activity for both oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) in a multi-component high-entropy oxide (HEO) by adjusting the composition and proportion of metal elements. A highly bifunctional HEO/Co-N-C nanocomposite electrocatalyst is synthesized by integrating the highly ORR active Co-N-C with the multi-component HEO. When used in a Zn-air battery, this electrocatalyst achieves small charge/discharge voltage differences and ultralong lifespan.
APPLIED SURFACE SCIENCE
(2023)
Article
Biophysics
Tai-Cheng Lu et al.
Summary: In this study, a gold nanoparticles/electrochemically reduced graphene oxide@carbon nanotube modified immunosensor was proposed for P-gp detection in serum using a one-step electrochemical co-reduction method. The detection results in serum were consistent with ELISA. The developed immunosensor is expected to provide a scientific basis for the clinical application of serum P-gp monitoring and integrated medicine.
BIOSENSORS & BIOELECTRONICS
(2023)
Article
Chemistry, Physical
Mariappan Anandkumar et al.
Summary: High-entropy materials, especially oxides, have attracted significant attention due to their novel composition and synergistic elemental interactions resulting in enhanced functional properties. They offer unique opportunities for novel materials with superior properties compared to conventional materials by creating a diverse range of chemical compositions. This review article provides a thorough insight into High-Entropy oxide (HEO) materials, including their synthesis, properties, and functional applications.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
Haitao Xu et al.
Summary: High-entropy materials have attracted attention as new-fashioned electrocatalysts due to their interesting cocktail effect. However, synthesizing single-crystal high-entropy nanomaterials such as (oxy)hydroxides is still a great challenge due to different crystal growth modes for different elements. In this work, a dynamic crystal growth strategy using multi-cation exchange is designed to fabricate single-crystal high-entropy (oxy)hydroxide nanosheets. The resulting nanoporous nanosheets show significantly improved oxygen evolution reaction (OER) performance, with a low overpotential of 229 mV at 10 mA cm-2 and a shallow Tafel slope of 39.3 mV dec ‒ 1. The study also reveals the role of Ru as an electron donor in moderating the overall electronic structures for enhanced OER performance. This work presents an entropy and enthalpy-driven strategy for synthesizing a library of single-crystal high-entropy (oxy)hydroxides for various applications.
APPLIED SURFACE SCIENCE
(2023)
Article
Biophysics
Xinyu Wan et al.
Summary: An innovative photoelectrochemical (PEC) immunoassay based on high-entropy compounds was developed for sensitive detection of prostate-specific antigen (PSA).
BIOSENSORS & BIOELECTRONICS
(2023)
Article
Multidisciplinary Sciences
Yoshihiro Chida et al.
Summary: This study proposes an experimental platform to investigate the relationship between surface nanostructures and properties of high-entropy alloy electrocatalysts. High-entropy alloys have gained attention for improving performance of electrocatalysts. Understanding the relationship between surface atomic-level structures and catalytic properties is crucial for developing new catalysts. The platform allows the vacuum synthesis of atomic-level-controlled single-crystal high-entropy alloy surfaces and evaluation of their catalytic properties.
NATURE COMMUNICATIONS
(2023)
Article
Chemistry, Multidisciplinary
Jingyi Zhan et al.
Summary: A chemiluminescent imaging array immunosensor based on DNAzyme@CuS nanoparticles was developed for the simultaneous and high-throughput detection of chicken interleukin-4 and chicken interferon-gamma. The immunosensor exhibited high sensitivity, wide linear range, excellent specificity, and acceptable stability.
CHINESE CHEMICAL LETTERS
(2023)
Article
Nanoscience & Nanotechnology
Pitchaimani Veerakumar et al.
Summary: A nanocomposite containing palladium nanoparticles embedded on bismuth sulfide nanorods was synthesized and used as an electrochemical sensor for the detection of mercuric ions. The modified electrode showed excellent sensitivity and low detection limit, and also exhibited photocatalytic activity.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Biophysics
Hui Dong et al.
Summary: A dual-signal output electrochemical immunosensor based on the Au-MoS2/MOF high-efficiency catalytic cycle amplification strategy was developed for the sensitive detection of neuron-specific enolase (NSE). The introduction of MoS2 as a co-catalyst ensured the stable cycle of Fe2+/Fe3+ and significantly amplified the current signal response. The immunosensor showed promising potential in the biological analysis and early clinical diagnosis of cancer biomarkers.
BIOSENSORS & BIOELECTRONICS
(2022)
Article
Chemistry, Analytical
Xin-Yue Ge et al.
Summary: A label-free electrochemical immunosensor was developed for quantitative detection of procalcitonin using AuPtCu nanodendrites and graphene-wrapped Co nanoparticles. The sensor exhibits efficient catalysis and low detection limit, providing valuable guidance for bioassays and early diagnosis.
Article
Nanoscience & Nanotechnology
Yunli Wang et al.
Summary: The Ab2-PDA-AF nanolabels prepared in this study can achieve dual signal amplification for detecting AFP, exhibiting high selectivity, low detection limit, as well as excellent reproducibility and stability.
ACS APPLIED NANO MATERIALS
(2022)
Article
Chemistry, Analytical
Zhenyuan Xing et al.
Summary: An addressable label-free photoelectric immunosensor array was designed to detect NSE using TiO2/CdS as substrate materials. The TiO2/CdS composite materials enhance electron transfer and increase photocurrent intensity. The sensor array allows for continuous detection of multiple samples and self-calibration.
ANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
Tingting Wu et al.
Summary: A novel dual-mode microfluidic sensing platform based on CuO nanozymes as a photoelectrochemical (PEC)-fluorescent (FL) multifunctional signal label was developed for ultrasensitive neuron specific enolase (NSE) detection. The platform utilized ZnO/Au/AgSbS2 hybrids as a sensing matrix to provide a stable photocurrent, and the controlled synthesis of photoactive ZnO nanoflowers (NFs) was successfully conducted using a microfluidic reactor. CuO nanozymes were employed to catalytically oxidize ascorbic acid (AA) and quench the PEC signals, while initiating FL signals through reaction with o-phenylenediamine. The platform exhibited wide linear ranges and low detection limits for both PEC and FL techniques, enabling sensitive detection of NSE.
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, Multidisciplinary
Panchao Zhao et al.
Summary: In this study, Pt-based high-entropy-alloy nanoparticles (HEA-NPs) were successfully synthesized using a spray drying technique combined with thermal decomposition reduction (SD-TDR) method. By taking advantage of the autocatalytic behavior of Pt element, Pt-based HEA-NPs with targetable ingredient, size, and phase could be prepared at a lower temperature. These nanoparticles exhibited superior electrocatalytic performance in methanol oxidation reaction.
Article
Biophysics
Yun Tang et al.
Summary: A novel electrochemiluminescence sensing platform was developed for the detection of neuron-specific enolase, showing excellent performance in terms of linear response, low detection limit, high selectivity, and stability.
BIOSENSORS & BIOELECTRONICS
(2022)
Article
Chemistry, Physical
Xianbiao Fu et al.
Summary: This study reports the discovery of a Pt-free combination, PdMoGaInNi, via computer-facilitated screening, which exhibits high HER activity and long-term durability in a proton exchange membrane water electrolyzer. The findings highlight the potential of two-dimensional high-entropy alloy (HEA) nanosheets for hydrogen production.
Article
Chemistry, Multidisciplinary
Meiling Lian et al.
Summary: The study presents a simple and sensitive sandwich-type antifouling immunoassay, utilizing native cell membranes to endow electrochemical surfaces with antifouling and biocompatible features. The biosensor combines platelet membrane/Au nanoparticle/delaminated V2C nanosheet modified electrode as the substrate of sensing interface and methylene blue/aminated metal organic framework as an electrochemical signal probe. The developed biosensor demonstrates excellent antifouling properties, enabling ultrasensitive detection of CD44 and CD44-positive cancer cells in complex liquids.
Article
Biochemistry & Molecular Biology
Chang Tang et al.
Summary: A novel label-free electrochemical immunosensor based on AuPd nanocrystals/N-doped porous carbon was developed for ultrasensitive and high-selective detection of N-terminal pro-B-type natriuretic peptide. The sensor showed a wide dynamic linear range, low limit of detection, and satisfactory results in human serum sample detection.
BIOELECTROCHEMISTRY
(2022)
Article
Chemistry, Analytical
Tao Wen et al.
Summary: A novel dual-signal electrochemical immunosensor was developed for quick and sensitive detection of HPV16 E6 oncoprotein, a reliable biomarker for cervical cancer. The use of a high efficiency catalyst and signal label allowed for rapid and sensitive detection, with desirable specificity, stability, and repeatability.
Article
Chemistry, Multidisciplinary
Ritika Khatri et al.
Summary: In this study, a biosensing matrix using chitosan-functionalized MoS2 was developed to address the issue of the lack of stable immobilization of antibodies. The matrix showed remarkable cyclic stability and a wide linear detection range for detecting a lung cancer biomarker. The proposed matrix has potential for the fabrication of devices for early monitoring of protein biomarkers.
NEW JOURNAL OF CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
Feng Shi et al.
Summary: A novel bird nest-like zinc oxide (BN-ZnO) nanostructures were prepared and used to develop a sensitive electrochemical glucose biosensor. The biosensor showed high sensitivity and a wide linear range, benefitting from the large specific surface area of BN-ZnO and its ability to retain the native bioactivity of enzymes.
CHINESE CHEMICAL LETTERS
(2021)
Article
Chemistry, Physical
Arumugam Sivanantham et al.
Summary: This study introduces a high entropy alloy (HEA) composed of CuCoNiFeMn as an active model system for a bifunctional electrocatalyst at neutral pH, showing promising performance in neutral electrolyte. These preliminary results may open up new insights for developing nanostructured HEAs as efficient electrocatalysts.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Article
Chemistry, Multidisciplinary
Jiawen Cao et al.
Summary: An effective electrochemical immunosensor was developed for detecting liver cancer biomarkers using hedgehog-like Bi2S3 nanostructures, synthesized with a novel CTAB-trimellitic acid composite soft template and thiourea as the sulfur source. The sensor showed significantly improved sensitivity and expanded linear range, and can be applied to detect cancer biomarkers in clinical serum samples.
CHEMICAL COMMUNICATIONS
(2021)
Review
Chemistry, Physical
Xin Wang et al.
Summary: High-entropy alloys (HEAs) have attracted attention in various fields due to their unique concept and properties, such as impressive mechanical properties like excellent strength, unforgettable corrosion resistance, and superior thermostability. With exceptional synthesis methods, HEAs surprisingly offer numerous energy and environmental applications, promising a bright future.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Review
Chemistry, Physical
Azadeh Amiri et al.
Summary: The emergence of high-entropy materials has shown superior performance in energy conversion and storage applications, with higher electrocatalytic activities, cycling stability, and durability compared to traditional noble metal catalysts.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Review
Chemistry, Physical
Azadeh Amiri et al.
Summary: The emergence of high-entropy materials with their superior electrocatalytic and catalytic activities, as well as long cycling stability and durability, has led to new advancements in energy storage and conversion technologies.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Article
Chemistry, Multidisciplinary
Luyuan Tian et al.
CHINESE CHEMICAL LETTERS
(2020)
Article
Biophysics
Yilei Jia et al.
BIOSENSORS & BIOELECTRONICS
(2020)
Article
Chemistry, Multidisciplinary
Qingchun Lan et al.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2020)
Article
Nanoscience & Nanotechnology
Ashish Kalkal et al.
ACS APPLIED BIO MATERIALS
(2020)
Article
Chemistry, Multidisciplinary
Qingchun Lan et al.
CHEMICAL COMMUNICATIONS
(2020)
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Nanoscience & Nanotechnology
Hui Dong et al.
ACS APPLIED BIO MATERIALS
(2020)
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Chemistry, Multidisciplinary
Thangavelu Kokulnathan et al.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2019)
Article
Chemistry, Physical
Ru-Lan Zhang et al.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2019)
Article
Biochemical Research Methods
Jafar Amani et al.
ANALYTICAL BIOCHEMISTRY
(2018)
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Chemistry, Analytical
Li Liu et al.
ANALYTICAL METHODS
(2018)
Article
Chemistry, Applied
Tao Yuan et al.
JOURNAL OF ENERGY CHEMISTRY
(2017)
Article
Chemistry, Multidisciplinary
Xun Cui et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2017)
Article
Biophysics
Zhanjun Yang et al.
BIOSENSORS & BIOELECTRONICS
(2017)
Article
Biophysics
Jiao Yang et al.
BIOSENSORS & BIOELECTRONICS
(2016)
Article
Chemistry, Physical
Lei Liu et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2016)
Article
Chemistry, Physical
Mark Paskevicius et al.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2013)
