LEICA MICROSYSTEMS, INC.

BIOSINE

electrical and scientific apparatus, namely, automatic, refractometer employing optical means for sensing and monitoring specific binding of analyte to a binding layer immobilized on a sample slide to analyze interactions between biologically active substances including antigen/antibody interactions, drug/receptor interactions, polynucleotide strand/complementary polynucleotide strand interactions, aviden/bioten interactions, immunoglobulin/protein A interactions, enzyme/substrate interactions, and specific carbohydrate/lectins interactions; and replacement parts and disposable sample slides therefor;medical diagnostic device for analysis of biological substances to determine the presence or absence of a pathogen, namely, automatic refractometer employing optical means for sensing and monitoring specific binding of analyte to a binding layer immobilized on a sample slide; and replacement parts and disposable sample slides therefor;

STEREOSTAR

MICROSCOPES AND PARTS THEREFOR;