Fiber-optic microsensors to measure backscattered light intensity in biofilms.


We have constructed tapered fiber-optic microsensors with a tip diameter of less than 10 microm to measure profiles of backscattered light in biofilms, which are thin layers of micro-organisms firmly attached to surfaces. The observed response agrees well with local effective diffusivity microelectrode measurements, with R(2) > 0.85. A strong relation… (More)


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