1 rue Galilée, Espace Innova,
Parc Technologique de Soye
56270 Plœmeur, FRANCE
WELFA (WAINVAM-E Lateral Flow Assay) is a new generation of rapid and ultra-sensitive diagnostic test, which combines the principle of Lateral Flow Immuno Assay (LFIA) with the unique optical properties of NV center nanodiamonds. At WAINVAM, we functionalize NV nanodiamonds with antibodies to use them as probes or fluorescent markers. When irradiated by a green laser, they emit red fluorescence and can then recognize molecules of interest in a targeted and selective manner. The WELFA system consists of cassettes WELFA-C containing strips impregnated with functionalized nanodiamonds, specific to the targets of interest, and a reader, the WELFA-R. WELFA-R modulates the magnetic field in order to reveal the fluorescence of the nanodiamonds, while eliminating the auto-fluorescence of the strip; the results obtained are both qualitative and quantitative, with a high degree of accuracy. WELFA-R is connected to a computer for the initialization and the launching of the different analysis programs. WELFA-R communicates the results of the measurements to the computer for further processing.
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the WELFA-Reader
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WELFA
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WELFA
Feel free to contact us; we will study with you the functionalization of nanodiamonds that will best meet your specific detection and measurement needs.
Quantum physics practical work with WAINTEACH
1. Spin resonance and Zeeman effect The NV centre of a diamond has an electron spin S=1. Therefore, three fine levels can be distinguished, corresponding to the projection of the spin on the axis of the NV centre, |𝑚_𝑠=0, ±1⟩. When illuminated with a green
Quantum sensors
A quantum sensor is a measuring instrument that exploits the laws of quantum mechanics and provides the measurement of physical quantities directly from values of fundamental constants of quantum physics. Such a sensor is therefore inherently accurate and stable, both being essential properties for many
Oxidative stress
Oxidative stress is involved in many phenomena ranging from a simple burn to serious diseases such as cancer, infectious diseases or neurodegenerative diseases. It is promoted by internal mechanisms such as infections or deficiencies, as well as by external factors such as smoking, sun exposure
The operation of a NV magnetometer
Magnetometry refers to the general principle of measuring the magnetic field of a system in order to study or characterise certain properties. The sensor with which magnetometry measurements are made is called a magnetometer. At WAINVAM-E we develop magnetometers using the optical and quantum properties
