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Development of a bacterial biosensor for arsenite detection

Philippe Renaud
2010
Posters

Résumé

In order to provide an alternative measurement tool for arsenic contamination, we are developing a sensor that uses agarose beads containing a genetically engineered Escherichia coli strain producing a fluorescent signal in response to arsenite. Beads with cells are incorporated into a microfluidic system where they can be exposed to aqueous samples containing arsenic.

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Philippe Renaud
2010
Posters

Résumé

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Concepts associés (32)

Arsenic

L'arsenic est l'élément chimique de numéro atomique 33, noté par le symbole As. Son corps simple se présente sous la forme d'un solide cristallin argenté. L'arsenic appartient au groupe des pnictogènes () avec l'azote (N), le phosphore (P), l'antimoine (Sb), le bismuth (Bi) et le moscovium (Mc). Il a des propriétés intermédiaires entre celles des métaux et des non-métaux, comme l'antimoine dont il est proche. Il est généralement considéré comme un métalloïde.

Arsenic contamination of groundwater

Arsenic contamination of groundwater is a form of groundwater pollution which is often due to naturally occurring high concentrations of arsenic in deeper levels of groundwater. It is a high-profile problem due to the use of deep tube wells for water supply in the Ganges Delta, causing serious arsenic poisoning to large numbers of people. A 2007 study found that over 137 million people in more than 70 countries are probably affected by arsenic poisoning of drinking water.

International development

International development or global development is a broad concept denoting the idea that societies and countries have differing levels of economic or human development on an international scale. It is the basis for international classifications such as developed country, developing country and least developed country, and for a field of practice and research that in various ways engages with international development processes. There are, however, many schools of thought and conventions regarding which are the exact features constituting the "development" of a country.

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Publications associées (31)

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Development of a bacterial biosensor for arsenite detection

Chattez avec Graph Search

CAR-modified marrow infiltrating lymphocytes efficiently target malignant plasma cells with very low antigen density

Multifunctional Dielectric Elastomer Actuator for in vitro Cell Mechanostimulation

Near Infrared Spectroscopy and Chemometrics for in situ Process Monitoring