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Optical sensors using the near infrared window of biological tissue

A newly developed sensor of oxygen flux measurements in vivo has been prepared for a clinical trial in the Dermatological Hospital of the University Bochum (Universitaetshautklinik Bochum). A new programme for reflectance measurements has been developed using the Kubelka-Munk algorithm which has been applied for in vivo monitoring of the metabolic state of biological tissue. It has been shown that biological tissues are quite transparent in the wavelength range 650 nm to 1200 nm. This optical window will be used to develop sensors by which interesting parameters (as for example pH) can be measured non-invasively in the unopened tissue).

Reported by

Max Planck Institute for Molecular Physiology
Rheinlanddamm 201
44139 Dortmund
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