A honeycomb structured body of the present invention is configured by assembling one or at least two pillar-shaped porous ceramic member in which a number of through holes are longitudinally placed in parallel with one another with a partition wall therebetween, either one of ends of these through holes being sealed, wherein the porous ceramic member is a composite made of ceramic particles and silicon, and a catalyst is supported on the partition wall, and a relationship between an aperture ratio .alpha. (%) of the honeycomb structured body and an supported amount .beta. (g/L) of the catalyst satisfies the following inequality (1): 9.8-0.125.times..alpha..ltoreq..beta. (1).

 
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> Planar optical waveguide based sandwich assay sensors and processes for the detection of biological targets including early detection of cancers

> Planar optical waveguide based sandwich assay sensors and processes for the detection of biological targets including protein markers, pathogens and cellular debris

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