Results 51 to 60 of about 255,583 (329)

Highly sensitive and label-free digital detection of whole cell E. coli with interferometric reflectance imaging [PDF]

open access: yes, 2019
Bacterial infectious diseases are a major threat to human health. Timely and sensitive pathogenic bacteria detection is crucial in identifying the bacterial contaminations and preventing the spread of infectious diseases.
Bhuiya, Abdul Muyeed   +8 more
core   +2 more sources

A cellulose-based bioassay for the colorimetric detection of pathogen DNA [PDF]

open access: yes, 2014
Cellulose-paper-based colorimetric bioassays may be used at the point of sampling without sophisticated equipment. This study reports the development of a colorimetric bioassay based on cellulose that can detect pathogen DNA.
Goyal, Madhu   +3 more
core   +1 more source

Use of time-resolved fluorescence to monitor bioactive compounds in plant based foodstuffs [PDF]

open access: yes, 2015
The study of compounds that exhibit antioxidant activity has recently received much interest in the food industry because of their potential health benefits.
Anese, Monica   +4 more
core   +13 more sources

Monoclonal Antibody-Based Immunosensor for the Electrochemical Detection of Chlortoluron Herbicide in Groundwaters

open access: yesBiosensors, 2021
Chlortoluron (3-(3-chloro-p-tolyl)-1,1-dimethyl urea) is an herbicide widely used in substitution to isoproturon to control grass weed in wheat and barley crops.
Anaïs Surribas   +2 more
doaj   +1 more source

Nanotechnology for biosensors: A Review [PDF]

open access: yesarXiv, 2021
Biosensors are essential tools which have been traditionally used to monitor environmental pollution, detect the presence of toxic elements and biohazardous bacteria or virus in organic matter and biomolecules for clinical diagnostics. In the last couple of decades, the scientific community has witnessed their widespread application in the fields of ...
arxiv  

Sonochemically fabricated microelectrode arrays for biosensors. Part II. Modification with a polysiloxane coating [PDF]

open access: yes, 2004
A polymer modified sonochemically fabricated glucose oxidase microelectrode array with microelectrode population densities of up to 2.5 x 105 microelectrodes cm-2 is reported.
Collyer, Stuart D.   +3 more
core   +1 more source

Developments in nanoparticles for use in biosensors to assess food safety and quality [PDF]

open access: yes, 2014
The following will provide an overview on how advances in nanoparticle technology have contributed towards developing biosensors to screen for safety and quality markers associated with foods.
Ahmed   +110 more
core   +1 more source

Biosensors for cardiac biomarkers detection: a review [PDF]

open access: yes, 2012
The cardiovascular disease (CVD) is considered as a major threat to global health. Therefore, there is a growing demand for a range of portable, rapid and low cost biosensing devices for the detection of CVD.
Gurbuz, Yasar   +3 more
core   +1 more source

Digital Microfluidics for Single Bacteria Capture and Selective Retrieval Using Optical Tweezers

open access: yesMicromachines, 2020
When screening microbial populations or consortia for interesting cells, their selective retrieval for further study can be of great interest. To this end, traditional fluorescence activated cell sorting (FACS) and optical tweezers (OT) enabled methods ...
Phalguni Tewari Kumar   +8 more
doaj   +1 more source

Inhibition-based first-generation electrochemical biosensors: theoretical aspects and application to 2,4-dichlorophenoxy acetic acid detection [PDF]

open access: yes, 2016
In this work, several theoretical aspects involved in the first-generation inhibition-based electrochemical biosensor measurements have been discussed. In particular, we have developed a theoretical-methodological approach for the characterization of the
Antiochia, Riccarda   +6 more
core   +1 more source

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