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Determination of mercury cation using modified graphene oxide with specific mercury aptamer as adsorbent for microextraction in packed syringe (MEPS)
In this project, a nanosorbent was prepared using graphene oxide nanosheets modified with a specific mercury aptamer to detect very low mercury...
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Diverse applications and development of aptamer detection technology
Aptamers have received extensive attention in recent years because of their advantages of high specificity, high sensitivity and low immunogenicity....
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Improving aptamer performance: key factors and strategies
Aptamers are functional single-stranded oligonucleotide fragments isolated from randomized libraries by Systematic Evolution of Ligands by...
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Aptamer-modified metal organic frameworks for measurement of food contaminants: a review
AbstractThe measurement of food contaminants faces a great challenge owing to the increasing demand for safe food, increasing consumption of fast...
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Label-free fluorescence aptasensor for the detection of cadmium(II) ion based on the conformational switching of aptamer and thioflavine T
A simple label-free Cd 2+ fluorescent aptasensor was proposed using aptamer as a recognition element and thioflavine T (ThT) as a signal reporter. The...
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Self-powered photochemical cathode aptamer sensor based on ZnIn2S4 photoanode and Cu2O@Ag@Ag3PO4 photocathode for the sensitive detection of Hg2+
A self-powered photoelectrochemical (PEC) aptamer sensor based on ZnIn 2 S 4 as the photoanode and Cu 2 O@Ag@Ag 3 PO 4 as the sensing cathode is designed for...
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A novel fluorescent biosensor based on affinity-enhanced aptamer-peptide conjugate for sensitive detection of lead(II) in aquatic products
Lead contamination is a major concern in food safety and, as such, many lead detection methods have been developed, especially aptamer-based...
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A dual-mode biosensor for salivary cortisol with antibody-aptamer sandwich pattern and enzyme catalytic amplification
A split-type and dual-mode (photoelectrochemical and electrochemical, PEC and EC) biosensor was developed for non-invasive and sensitive detection of...
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A review of spectroscopic probes constructed from aptamer-binding gold/silver nanoparticles or their dimers in environmental pollutants’ detection
The issue of environmental pollutant residues has gained wide public attention all along. Therefore, it is necessary to develop simple, rapid,...
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Liquid Crystal-Based Droplet Sensor for the Detection of Hg(II) Ions Using an Aptamer as the Recognition Element
Herein, we report the development of a simple liquid crystal (LC)-based droplet sensor for the specific detection of mercury ions (Hg 2+ ) in an...
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Aptamer-based assays: strategies in the use of aptamers conjugated to magnetic micro- and nanobeads as recognition elements in food control
An outlook on the current status of different strategies for magnetic micro- and nanosized bead functionalization with aptamers as prominent...
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Aptamer-functionalized gold nanoparticles for mercury ion detection in a colorimetric assay based on color change time as signal readout
A universal strategy for a rapid colorimetric method for Hg 2+ in an aqueous solution is described. The specific binding of Hg 2+ (thymine-Hg 2+ -thymine)...
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Selective Viramidine-Loaded Aptamer-Nanoparticles Trigger Cell Cycle Arrest in Nucleolin-Expressed Hepatoma Cells Through Modulation of CDC25A/p53/PI3k Pathway
Active delivery of anti-cancer nanoparticles (NPs) represents a possibly influential approach, especially when treating hepatocellular carcinoma...
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A SYBR Green I-based aptasensor for the label-free, fluorometric, and anti-interference detection of MeHg+
Methylmercury (MeHg + ) is a common form of organic mercury that is substantially more toxic than inorganic mercury and is more likely to accumulate in...
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Chemiluminescence sensing for Hg2+ in environment water using carbon materials from PVC dechlorination as signal initiator
Chemiluminescence (CL) sensing with good performance remains a challenge. The utilization of secondary residues from polyvinyl chloride (PVC)...
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Advances in aptamer screening and aptasensors’ detection of heavy metal ions
Heavy metal pollution has become more and more serious with industrial development and resource exploitation. Because heavy metal ions are difficult...
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Aptamer-Based Point of Care Testing Schemes
This chapter introduces the well-established and novel diagnostic platforms based on aptamers as molecular recognition elements, which are currently...
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An ellipsometric biosensor using aptamer for the detection of mercuric ions
An ellipsometric biosensor, to be used in the detection of mercuric ions that affect the vital organs of living organisms, was developed. In this...
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Flourescence sensors for heavy metal detection: major contaminants in soil and water bodies
Due to the increasing consumption of heavy metals, there is a rising need for specific and useful methods that are employed for the detection of...
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Colorimetric determination of DNA using an aptamer and plasmonic nanoplatform
A facile plasmonic nanoplatform was developed for rapid and sensitive determination of nucleic acid. Hg 2+ -regulated molecular beacon (MB, hairpin)...
