Looking Back
30, 20, and 10 Years Ago in OPN
Optical-fiber biosensing; toxin-devouring microbes; nanolasers ascendant.
1989 [Getty Images]
“Fiber-cladding is constituted by proteins with specific binding properties, called antibodies, which are able to capture the correspondent antigens so that the evanscent-wave component of the light guided by the fiber is modified by the antibody–antigen binders. The main problems of this futuristic technique are the choice of suitable antibodies, their immobilization on the silica substrate, stability and reversibility.”
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