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Fe-MOF/AuNP-based ratiometric electrochemical immunosensor for the detection of deoxynivalenol in grain products
A ratiometric assay was designed to improve the sensitivity and reliability of electrochemical immunosensors for deoxynivalenol (DON) detection. The...
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Ratiometric electrochemical immunosensor for simultaneous detection of C-myc and Bcl-2 based on multi-role alloy composites
A ratiometric electrochemical immunosensor is proposed for simultaneous detection of cellular-myelocytomatosis oncoprotein (C-myc) and B-cell...
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Etching of Ag nanoparticles triggered bidirectional regulation for electrochemiluminescence ratiometric immunoassay
A highly efficient ratiometric electrochemiluminescence (ECL) immunoassay was explored by bidirectionally regulating the ECL intensity of two...
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An ultrasensitive ratiometric immunosensor based on the ratios of conjugated distyrylbenzene derivative nanosheets with AIECL properties and electrochemical signal for CYFRA21-1 detection
Aggregation-induced electrochemiluminescence reagent, a distyrylbenzene derivative with donor–acceptor conjugated nanosheet structure, namely TPAPCN,...
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A label-free ratiometric fluorescent aptasensor based on a peroxidase-mimetic multifunctional ZrFe-MOF for the determination of tetrodotoxin
A Fe/Zr bimetal-organic framework (ZrFe-MOF) is utilized to establish a ratiometric fluorescent aptasensor for the determination of tetrodotoxin...
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Ratiometric electrochemical immunoassay for procalcitonin based on dual signal probes: Ag NPs and Nile blue A
In order to determine procalcitonin, a sandwich-type ratiometic electrochemical immunosensor was developed by differential pulse voltammetry...
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A dual-signal ratiometric electrochemical aptasensor based on Thi/Au/ZIF-8 and catalytic hairpin assembly for ultra-sensitive detection of aflatoxin B1
A dual-signal ratiometric electrochemical aptasensor has been developed for AFB1 detection using thionine/Au/zeolitic imidazolate framework-8...
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Modified exfoliated graphene functionalized with carboxylic acid-group and thionine on a screen-printed carbon electrode as a platform for an electrochemical enzyme immunosensor
An enzyme immunoassay was developed based on the coulometric measurement of immunoglobulin M (IgM) against Hantaan viruses (HTNV) by using virus-like...
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A disposable and ultrasensitive immunosensor for the detection of HE4 in human serum samples
Ovarian cancer is described as excessive cell proliferation in the ovaries. It is thought that ovarian cancer and the human epididymis protein 4...
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Ratiometric ECL sensor based on Apt-AuNS@Lu nanoprobe for analyzing cell swelling-induced ATP release
A novel ratiometric electrochemiluminescence (ECL) system based on gold nanostars (AuNSs) support was constructed for the determination of...
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Molecularly imprinted ratiometric electrochemical sensor based on carbon nanotubes/cuprous oxide nanoparticles/titanium carbide MXene composite for diethylstilbestrol detection
Conventional molecularly imprinted polymers (MIP)–based electrochemical sensors are generally susceptible to the changes of personal operation,...
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Functionalized Graphene Quantum Dots (GQDs) based Label-Free Optical Fluorescence Sensor for CD59 Antigen Detection and Cellular Bioimaging
Cluster of differentiation (CD59), a cell surface glycoprotein, regulates the complement system to prevent immune damage. In cancer, altered CD59...
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CTAB-Co-MOFs@AuPt NPs as signal probes for the electrochemical detection of carcinoembryonic antigen 15–3
A sensitive electrochemical strategy for carcinoembryonic antigen 15–3 (CA15-3) detection is reported using CTAB-Co-MOFs@AuPt NPs as signal probes....
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Electrochemiluminescent Biosensors Based on II–VI Quantum Dots
II–VI semiconductor quantum dots (QDs) have attracted much attention due to their wideband absorption, narrowband emission, and continuously...
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A self-enhanced electrochemiluminescent ratiometric zearalenone immunoassay based on the use of helical carbon nanotubes
A self-enhanced electrochemiluminescent ratiometric immunoassay for zearalenone is described. A system composed of N-aminobutyl-N-ethylisoluminol...
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Quantum-Dot-Based Fluorescence Sensing
Quantum dots are artificial atom clusters that can be used in a variety of photonic devices due to their size-dependent absorption and emission...
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Recent advances in photoelectrochemistry-coupled dual-modal biosensors: From constructions to biosensing applications
Precise and sensitive bioanalysis has been the major and urgent pursuit in pathologic diagnosis, food safety, environment monitoring, and drug...
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Advances of Electrochemical and Electrochemiluminescent Sensors Based on Covalent Organic Frameworks
Covalent organic frameworks (COFs), a rapidly develo** category of crystalline conjugated organic polymers, possess highly ordered structures,...
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Recent advances and perspectives of functionalized carbon dots in bacteria sensing
Bacterial infectious diseases are severe threats to human health and increase substantial financial burdens. Nanomaterials have shown great potential...
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A sandwich-configuration electrochemiluminescence immunoassay based on Cu2O@OMC-Ru nanocrystals and OMC-MoS2 nanocomposites for determination of alpha-fetoprotein
A sandwich-format electrochemiluminescence (ECL) immunosensor has been developed for alpha-fetoprotein (AFP) detection based on the use of ordered...
