☆ 4.7 Article

Colorimetric aptasensor for the sensitive detection of ochratoxin A based on a triple cascade amplification strategy

ANALYTICA CHIMICA ACTA (2023)

相关参考文献

注意：仅列出部分参考文献，下载原文获取全部文献信息。

Article Food Science & Technology

Development of a label-free electrochemical aptasensor for ultrasensitive detection of ochratoxin A

Yujiao Hou et al.

Summary: This study developed a conveniently fabricated label-free electrochemical aptasensor for ultrasensitive detection of ochratoxin A (OTA) in food. The aptasensor showed high sensitivity and specificity, with a linear relationship between resistance and OTA concentration. The sensor exhibited promising practical applications in food control for identifying hazardous contaminants.

FOOD CONTROL (2022)

添加到收藏夹

Article Chemistry, Analytical

An Exo III-assisted catalytic hairpin assembly-based self-fluorescence aptasensor for pesticide detection

Yuancong Xu et al.

Summary: This study presents a self-fluorescence aptasensor for pesticide detection based on Exo III-assisted catalytic hairpin assembly. The sensor has high sensitivity and low background noise. By modifying the spatial configuration, the aptamer can specifically recognize the target and drive the cyclic amplification process, increasing the detection efficiency.

SENSORS AND ACTUATORS B-CHEMICAL (2022)

添加到收藏夹

Article Chemistry, Analytical

Enzyme-free dual-amplification assay for colorimetric detection of tetracycline based on Mg2+-dependent DNAzyme assisted catalytic hairpin assembly

Yuxiong Lv et al.

Summary: A enzyme-free dual-amplification assay was developed for sensitive detection of ultralow concentration tetracycline (TC) in milk. The method showed a wide linear range and low detection limit, and demonstrated high selectivity for TC. This method is of great significance for food safety and human health.

TALANTA (2022)

添加到收藏夹

Article Chemistry, Applied

Cascade strand displacement reaction-assisted aptamer-based highly sensitive detection of ochratoxin A

Bing Han et al.

Summary: A new fluorescent aptasensor using cascade strand displacement reaction was proposed for the detection of ochratoxin A, achieving an improved detection limit and short assay time. The method showed potential for use in food quality control in the future.

FOOD CHEMISTRY (2021)

添加到收藏夹

Article Chemistry, Applied

A competitive fluorescence assay based on free-complementary DNA for ochratoxin A detection

Aloys Hitabatuma et al.

Summary: An ultrasensitive method for rapid and specific detection of Ochratoxin A (OTA) was designed using complementary sequence to aptamer as a target of molecular beacons. The method showed linear increase in fluorescence intensity with OTA concentration and a detection limit of 0.247 pg mL(-1), making it a potential sensing platform for OTA detection in wheat samples when compared to traditional HPLC-MS/MS method.

FOOD CHEMISTRY (2021)

添加到收藏夹

Article Chemistry, Multidisciplinary

DNA-Tetrahedral-Nanostructure-Based Entropy-Driven Amplifier for High-Performance Photoelectrochemical Biosensing

Hongbo Li et al.

Summary: By utilizing the molecular recognition and programmability of DNA, a novel photoelectrochemical biosensor has been developed for the efficient detection of miRNA-196a. Integrated with superparamagnetic nanostructures, this sensor exhibits high selectivity and reliability.

ACS NANO (2021)

添加到收藏夹

Article Chemistry, Analytical

Gold@silver nanodumbbell based inter-nanogap aptasensor for the surface enhanced Raman spectroscopy determination of ochratoxin A

Xiaoyuan Ma et al.

Summary: A plasmonic nanogap structure was fabricated to construct an aptasensor for sensitive detection of OTA, utilizing the specific SERS effect. The method relies on the binding of the aptamer to OTA, leading to a change in SERS signal.

ANALYTICA CHIMICA ACTA (2021)

添加到收藏夹

Article Chemistry, Analytical

Self-extending DNA-Mediated Isothermal Amplification System and Its Biosensing Applications

Zhijun Huang et al.

Summary: The SEIA system, based on self-extending DNA-mediated isothermal amplification, provides a simple and efficient way to achieve rapid, robust, and significant signal amplification, demonstrating potential for broad-spectrum target detection in various scenarios.

ANALYTICAL CHEMISTRY (2021)

添加到收藏夹

Article Chemistry, Analytical

Strand Displacement Amplification Assisted CRISPR-Cas12a Strategy for Colorimetric Analysis of Viral Nucleic Acid

Shaohua Gong et al.

Summary: The SDACC method reported in this study enables sensitive detection of viral nucleic acid, providing a simple and low-cost approach for colorimetric analysis.

ANALYTICAL CHEMISTRY (2021)

添加到收藏夹

Article Chemistry, Analytical

Sensitive and Programmable Signal-Off Electrochemiluminescence Sensing Platform Based on Cascade Amplification and Multiple Quenching Mechanisms

Liping Zhu et al.

Summary: A versatile and sensitive quantum dot-based signal-off electrochemiluminescence sensing system was constructed using target-initiated dual Mg2+-dependent DNAzyme recycling and catalytic hairpin assembly amplification strategies. The developed programmable signal-off ECL sensing platform demonstrates excellent sensitivity with detection limits for target DNA, aptamer substrate, and ion.

ANALYTICAL CHEMISTRY (2021)

添加到收藏夹

Article Biophysics

A novel liquid crystal-based aptasensor for ultra-low detection of ochratoxin a using a n-shaped DNA structure: Promising for future on-site detection test strips

Zahra Khoshbin et al.

Summary: A novel aptasensor was developed in this study for label-free monitoring of ultra-low levels of OTA, successfully detecting OTA in grape juice, coffee, and human serum samples. The sensor paves a way for developing portable and real-time sensing probes with high performance for food safety control and clinical application.

BIOSENSORS & BIOELECTRONICS (2021)

添加到收藏夹

Article Chemistry, Analytical

A novel aptasensor based on DNA hydrogel for sensitive visual detection of ochratoxin A

Liling Hao et al.

Summary: A novel visual detection mode based on aptamer recognition and DNA hydrogel has been proposed to improve the detection sensitivity for OTA. By optimizing experimental conditions, the change in absorbance of the supernatant is linearly correlated with OTA concentration, and the biosensor shows good specificity even in the presence of other mycotoxins similar to OTA.

MICROCHIMICA ACTA (2021)

添加到收藏夹

Article Food Science & Technology

A label-free aptasensor for turn-on fluorescent detection of ochratoxin a based on SYBR gold and single walled carbon nanohorns

Zhijun Guo et al.

Summary: This study demonstrated a new detection system for OTA using fluorescence biosensing based on an anti-OTA aptamer and fluorescence quencher, using single-walled carbon nanohorns. The detection limit of OTA was 2.3 ng/ml with a linear detection range of 5-500 ng/ml. The aptasensor was found suitable for the quantification of OTA in food samples.

FOOD CONTROL (2021)

添加到收藏夹

Article Chemistry, Multidisciplinary

Extraction of Viral Nucleic Acids with Carbon Nanotubes Increases SARS-CoV-2 Quantitative Reverse Transcription Polymerase Chain Reaction Detection Sensitivity

Sanghwa Jeong et al.

Summary: The global SARS-CoV-2 pandemic has driven a surge in demand for rapid and efficient viral infection diagnostic tests, leading to a shortage in diagnostic test consumables. A new method using carbon nanotubes and ssDNA sequences has been developed to achieve high-yield extraction of viral nucleic acids, with a 100% extraction yield of target SARS-CoV-2 RNA. This method allows direct extraction of nucleic acids from human saliva, bypassing the need for further biofluid purification and commercial extraction kits.

ACS NANO (2021)

添加到收藏夹

Article Chemistry, Multidisciplinary

Printed Nanochain-Based Colorimetric Assay for Quantitative Virus Detection

Zeying Zhang et al.

Summary: Fast and ultrasensitive detection of pathogens is crucial for monitoring and preventing viral infections. A label-free optical detection approach using printed nanochains allows for rapid and accurate identification of viruses, making it ideal for clinical applications.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

添加到收藏夹

Article Biophysics

DNA walker-assisted aptasensor for highly sensitive determination of Ochratoxin A

Yahui Wang et al.

Summary: In this study, an aptasensor for detecting Ochratoxin A was successfully constructed using gold nanoparticles decorated molybdenum oxide nanocomposites, hybridization chain reaction, and a restriction endonuclease-aided walker DNA machine. The sensor demonstrated excellent analytical performance and high sensitivity, with a detection limit as low as 3.3 fg mL-1, showing great potential for practical applications in various sample types.

BIOSENSORS & BIOELECTRONICS (2021)

添加到收藏夹

Review Chemistry, Multidisciplinary

Nucleic Acid Tests for Clinical Translation

Min Li et al.

Summary: Nucleic acids, such as DNA and RNA, play crucial roles in storing, transmitting, and expressing genetic information. Nucleic acid tests are essential for clinical diagnosis and infectious disease prevention, and have made significant advancements in recent years.

CHEMICAL REVIEWS (2021)

添加到收藏夹

Article Chemistry, Applied

Two-color, ultra-sensitive fluorescent strategy for Ochratoxin A detection based on hybridization chain reaction and DNA tweezers

Ge Wu et al.

Summary: A two-color fluorescent DNA tweezers developed for ultrasensitive detection of OTA shows a good linear range and detection limit, effectively reducing false positive rate in practical food samples.

FOOD CHEMISTRY (2021)

添加到收藏夹

Article Food Science & Technology

Nanobody multimerization strategy to enhance the sensitivity of competitive ELISA for detection of ochratoxin A in coffee samples

Kunlu Bao et al.

Summary: In this study, a heptamer fusion protein was developed by fusing the OTA-specific nanobody with the C4-binding protein, which was utilized to enhance the sensitivity of detecting OTA in coffee samples using a competitive ELISA. The sensitivity enhancement strategy resulted in a significantly lower IC50 and LOD compared to traditional monomer-based ELISA, demonstrating the potential of nanobody multimerization in enhancing analytical signals in immunoassays.

FOOD CONTROL (2021)

添加到收藏夹

Article Agriculture, Multidisciplinary

Mannan Oligosaccharide Could Attenuate Ochratoxin A-Induced Immunosuppression with Long-Time Exposure Instead of Immunostimulation with Short-Time Exposure

Wenmiao He et al.

Summary: The study found that MOS could alleviate OTA-induced immunosuppression on PAMs through activating JNK-mediated autophagy, but had no significant effects on OTA-induced immunostimulation with short-term exposure.

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY (2021)

添加到收藏夹

Review Chemistry, Multidisciplinary

Single-atom catalysts boost signal amplification for biosensing

Lei Jiao et al.

Summary: The development of highly sensitive biosensors has been a focus in recent years. Single-atom catalysts show promise in enhancing signal amplification in biosensing, offering improved sensitivity and selectivity through tunable metal-support interactions and the structural features of active sites.

CHEMICAL SOCIETY REVIEWS (2021)

添加到收藏夹

Article Agriculture, Multidisciplinary

A Fluorescent DNA Hydrogel Aptasensor Based on the Self-Assembly of Rolling Circle Amplification Products for Sensitive Detection of Ochratoxin A

Liling Hao et al.

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY (2020)

添加到收藏夹

Article Chemistry, Analytical

Turn off-on fluorescent sensor based on quantum dots and self-assembled porphyrin for rapid detection of ochratoxin A

Li Liu et al.

SENSORS AND ACTUATORS B-CHEMICAL (2020)

添加到收藏夹

Article Chemistry, Analytical

Highly-efficient electrochemical label-free immunosensor for the detection of ochratoxin A in coffee samples

Kwanele Kunene et al.

SENSORS AND ACTUATORS B-CHEMICAL (2020)

添加到收藏夹

Review Environmental Sciences

Ochratoxin A-induced genotoxic and epigenetic mechanisms lead to Alzheimer disease: its modulation with strategies

Kamal Niaz et al.

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH (2020)

添加到收藏夹

Review Agriculture, Multidisciplinary

Recent Advances in Ochratoxin A Electrochemical Biosensors: Recognition Elements, Sensitization Technologies, and Their Applications

Liangrui Lv et al.

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY (2020)

添加到收藏夹

Article Chemistry, Applied

Multicolor colorimetric detection of ochratoxin A via structure-switching aptamer and enzyme-induced metallization of gold nanorods

Fengyu Tian et al.

FOOD CHEMISTRY (2020)

添加到收藏夹

Article Food Science & Technology

Ochratoxin A induces glomerular injury through activating the ERK/NF-κB signaling pathway

Guannan Le et al.

FOOD AND CHEMICAL TOXICOLOGY (2020)

添加到收藏夹

Article Chemistry, Analytical

Novel Ru(bpy)2(cpaphen)2+/TPrA/TiO2 Ternary ECL System: An Efficient Platform for the Detection of Glutathione with Mn2+ as Substitute Target

Rui Zhang et al.

ANALYTICAL CHEMISTRY (2019)

添加到收藏夹

Article Chemistry, Applied

Sensitive aptamer-based fluorescene assay for ochratoxin A based on RNase H signal amplification

Kefeng Wu et al.

FOOD CHEMISTRY (2019)

添加到收藏夹

Article Chemistry, Analytical

A novel electrochemical sensor for ochratoxin A based on the hairpin aptamer and double report DNA via multiple signal amplification strategy

Xiaoying Wang et al.

SENSORS AND ACTUATORS B-CHEMICAL (2019)

添加到收藏夹

Article Chemistry, Multidisciplinary

Nicking-Assisted Reactant Recycle To Implement Entropy-Driven DNA Circuit

Cheng Zhang et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2019)

添加到收藏夹

Article Chemistry, Applied

DNA template-mediated click chemistry-based portable signal-on sensor for ochratoxin A detection

Suyan Qiu et al.

FOOD CHEMISTRY (2019)

添加到收藏夹

Review Chemistry, Multidisciplinary

Optical nano-biosensing interface via nucleic acid amplification strategy: construction and application

Hong Zhou et al.

CHEMICAL SOCIETY REVIEWS (2018)

添加到收藏夹

Article Chemistry, Applied

Gamma irradiation effects on ochratoxin A: Degradation, cytotoxicity and application in food

Thalita Calado et al.

FOOD CHEMISTRY (2018)

添加到收藏夹

Article Chemistry, Analytical

Ochratoxin A detection platform based on signal amplification by Exonuclease III and fluorescence quenching by gold nanoparticles

Yangyang Zhao et al.

SENSORS AND ACTUATORS B-CHEMICAL (2018)

添加到收藏夹

Article Chemistry, Multidisciplinary

Label-Free Electrochemical Sensor for Ochratoxin A Using a Microfabricated Electrode with Immobilized Aptamer

Donny N. Mazaafrianto et al.

ACS OMEGA (2018)

添加到收藏夹

Article Food Science & Technology

A risk assessment of dietary Ochratoxin a in the United States

Nicole J. Mitchell et al.

FOOD AND CHEMICAL TOXICOLOGY (2017)

添加到收藏夹

Review Chemistry, Multidisciplinary

Isothermal Amplification of Nucleic Acids

Yongxi Zhao et al.

CHEMICAL REVIEWS (2015)

添加到收藏夹

Article Food Science & Technology

Selection and Characterization of a Novel DNA Aptamer for Label-Free Fluorescence Biosensing of Ochratoxin A

Maureen McKeague et al.

TOXINS (2014)

添加到收藏夹

Article Agriculture, Multidisciplinary

Determination of Ochratoxin A with a DNA Aptamer

Jorge A. Cruz-Aguado et al.

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY (2008)

添加到收藏夹

© Peeref 2019-2024. All rights reserved.