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CPC - G01N - 15.04.2013 - page 43G01N 33/5088 . . . . . . { of vertebrates }G01N 33/5091 . . . . { for testing the pathological state of an organism }G01N 33/5094 . . . . { for blood cell populations ( red blood cells G01N 33/80 ) }G01N 33/5097 . . . { involving plant cells ( immunoassays of plant cells G01N 33/56961 ; unicellularalgae, photoplankton and photosynthetic bacteria in screening assays C12Q1/025 ) }G01N 33/52 . . . Use of compounds or compositions for colorimetric, spectrophotometric orfluorometric investigation, e.g. use of reagent paper { and including single- andmultilayer analytical elements ( immunological elements G01N 33/54386 ;involving labelled immunochemicals G01N 33/58 ; for haemoglobin or occultblood G01N 33/72 ) }G01N 33/521 . . . . { Single-layer analytical elements }G01N 33/523 . . . . . { the element being adapted for a specific analyte }G01N 33/525 . . . . { Multi-layer analytical elements }G01N 33/526 . . . . . { the element being adapted for a specific analyte }G01N 33/528 . . . . { Atypical element structures, e.g. gloves, rods, tampons, toilet paper }G01N 33/53 . . . ImmunoassayBiospecific binding assay ( preparations containing antigens or antibodies fortherapeutic purposes A61K 39/00 ; haptens in general, see the relevant placesin class C07 ; proteins in general C07K )G01N 33/5302 . . . . { Apparatus specially adapted for immunological test procedures }G01N 33/5304 . . . . . { Reaction vessels, e.g. agglutination plates ( for solid-phase systemsG01N 33/543 ) }G01N 33/5306 . . . . { Improving reaction conditions, e.g. reduction of non-specific binding,promotion of specific binding }G01N 33/5308 . . . . { for analytes not provided for elsewhere, e.g. nucleic acids, uric acid,worms, mites }G01N 33/531 . . . . Production of immunochemical test materialsG01N 33/532 . . . . . Production of labelled immunochemicalsG01N 33/533 . . . . . . with fluorescent labelG01N 33/534 . . . . . . with radioactive labelG01N 33/535 . . . . . . with enzyme label { or co-enzymes, co-factors, enzyme inhibitors orenzyme substrates }G01N 33/536 . . . . with immune complex formed in liquid phaseG01N 33/537 . . . . . with separation of immune complex from unbound antigen or antibodyG01N 33/5375 . . . . . . { by changing the physical or chemical properties of the medium orimmunochemicals, e.g. temperature, density, pH, partitioning }G01N 33/538 . . . . . . by sorbent column, particles or resin strip { i.e. sorbent materials }G01N 33/539 . . . . . . involving precipitating reagent { e.g. ammonium sulfate }G01N 33/541 . . . . . . . Double or second antibody { i.e. precipitating antibody }G01N 33/542 . . . . . with steric inhibition or signal modification, e.g. fluorescent quenchingG01N 33/543 . . . . with an insoluble carrier for immobilising immunochemicalsG01N 33/54306 . . . . . { Solid-phase reaction mechanisms }G01N 33/54313 . . . . . { the carrier being characterised by its particulate form }G01N 33/5432 . . . . . . { Liposomes or microcapsules }G01N 33/54326 . . . . . . { Magnetic particles }