Results 31 to 40 of about 73,396 (304)

Community sewage sensors towards evaluation of drug use trends: detection of cocaine in wastewater with DNA-directed immobilization aptamer sensors [PDF]

open access: yes, 2016
Illicit drug use has a global concern and effective monitoring and interventions are highly required to combat drug abuse. Wastewater-based epidemiology (WBE) is an innovative and cost-effective approach to evaluate community-wide drug use trends ...
Castrignanò, Erika   +4 more
core   +3 more sources

An Nb-doped Nickel Oxide-Carbon Nanotubes Composite- Enhanced Electrochemical DNA Biosensor for Detection of Lead(II) Ion

open access: yesInternational Journal of Electrochemical Science, 2015
A novel niobium doped nickel oxide nanoparticle (NbNiO) was synthesized by sol-gel method and was applied to fabricate DNA biosensor for detection of Pb2+ in water sample for the first time.
Daiwu Chen   +4 more
doaj   +1 more source

Fully Integrated Biochip Platforms for Advanced Healthcare [PDF]

open access: yes, 2012
Recent advances in microelectronics and biosensors are enabling developments of innovative biochips for advanced healthcare by providing fully integrated platforms for continuous monitoring of a large set of human disease biomarkers.
Baj-Rossi, Camilla   +11 more
core   +5 more sources

Giant Magnetoresistive Biosensors for Time-Domain Magnetorelaxometry: A Theoretical Investigation and Progress Toward an Immunoassay. [PDF]

open access: yes, 2017
Magnetorelaxometry (MRX) is a promising new biosensing technique for point-of-care diagnostics. Historically, magnetic sensors have been primarily used to monitor the stray field of magnetic nanoparticles bound to analytes of interest for immunoassays ...
Hall, Drew A   +2 more
core   +1 more source

Recent Advances in Optical DNA Biosensors Technology

open access: yesCHIMIA, 2005
Recent advances in nucleic acids-based biosensors have led to the development of DNA biosensors for DNA hybridisation detection and for nucleic acid–ligand binding studies.
Bambang Kuswandi   +3 more
doaj   +1 more source

Au nanorods/ g-C3N4 composite based biosensor for electrochemical detection of chronic lymphocytic leukemia [PDF]

open access: yesNanomedicine Research Journal, 2020
Objective: With the increasing incidence of cancer and the dramatic effect of early detection on treatment and increase patient's life, many efforts have been devoted to making sensitive diagnosis systems.
Mohadeseh Afzali   +2 more
doaj   +1 more source

Nano-yarn carbon nanotube fiber based enzymatic glucose biosensor [PDF]

open access: yes, 2010
This is the author's accepted manuscript. The final published article is available from the link below. Copyright @ 2010 IOP Publishing Ltd.A novel brush-like electrode based on carbon nanotube (CNT) nano-yarn fiber has been designed for electrochemical ...
Bard A J   +8 more
core   +1 more source

In situ reduction of gold nanoparticles-decorated MXenes-based electrochemical sensing platform for KRAS gene detection

open access: yesFrontiers in Bioengineering and Biotechnology, 2023
In this work, gold nanoparticles@Ti3C2 MXenes nanocomposites with excellent properties were combined with toehold-mediated DNA strand displacement reaction to construct an electrochemical circulating tumor DNA biosensor.
Xiongtao Yu, Silan Bai, Lishi Wang
doaj   +1 more source

A novel colorimetric biosensor based on non-aggregated Au@Ag core–shell nanoparticles for methamphetamine and cocaine detection [PDF]

open access: yes, 2017
We report a novel colorimetric biosensor based on non-aggregation Au@Ag core-shell nanoparticles to detect methamphetamine and cocaine. The biosensor consisted of a reporter probe (RP) that is a specific single-stranded DNA (ssDNA) sequence coated on Au ...
Hu, Jiming   +5 more
core   +1 more source

Application of Graphene FET Nucleic Acid Biosensor in Human Motion Measurement [PDF]

open access: yesInternational Journal Bioautomation, 2018
In order to explore the application of graphene field effect transistor (FET) nucleic acid biosensor, the sensitivity and selectivity of nano FET biosensor detection are improved by the large physical surface ratio, high electron mobility, excellent ...
Hang Yin
doaj   +1 more source

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