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5116758 Fermentation vessel closure
PATENTABSTRACTS
486
A novel peroxidase was obtained from a fast growing microorganism of the genus Coprinus cinereus. The fungal peroxidase is comparable to the conventional peroxidase derived from horseradish or Japanese radish in that it can be used either as a clinical or diagnostic reagent or as a marker enzyme in enzyme immunoassay.
5116754 SEPARATION OF BACTERIA FROM ORGANIC MATTER Ann D Fraser, Dawn M J Martin, Edward M Riche, Nepean, Ontario, Canada A method and a device for separating certain microorganisms from fecal matter are described. The method is effective in relatively fast detection and identification of bacterial pathogens in e.g. chicken feces, thus making it possible to diagnose certain diseases within a short period of time. The method comprises inducing the bacteria (microorganisms) containing matter through a sequence of basically non-absorbent screens with selected, gradually decreasing pore sizes. Factors important in optimizing the separation process are discussed.
per cell unit have an arrangement whereby a gaseous, vapor or liquid sample enters the cell body and interacts with a sensing solution to detect and quantify a given species. Entrance of the sample into the sensor is through an opening in the cell body which may be covered with a membrane to contain the sensing reagent and to prcsort the species entering the cell. Reservoir cells can be used with organic, inorganic or biochemical sensing materials. A variety of sensors as alcohol, drugs of abuse, organic halides, cyanide and inorganic ions are provided.
5116941 PEPTIDE SUBSTRATES FOR DETERMINATION OF E N Z Y M E ACTIVITY Shuichi Nakatsuyama, Yoshio Nakamura, Katsumasa Kuroiwa, Takeshi Nagasawa, Koriyama, Japan assigned to Nitto Boseki Co Ltd Compounds represented by the following formula: See Patent for Chemical Structure wherein A 1 and A2 each represents a specific amino acid residue, are excellent as substrates for determination of enzyme activity such as trypsin, etc.
5116758 FERMENTATION VESSEL CLOSURE Kuldeep Verma A closure device for fermentation test tubes or flasks comprises a cylindrical cap which fits snugly over the mouth and neck of a test tube or flask to maintain the sterility of the tube or flask contents while permitting the free flow of gases into and out of the tube or flask. An aperture in the end cap of the closure device permits free access to the tube or flask contents for sampling and is closed by a moveable aperture cover.
5116759 RESERVOIR CHEMICAL SENSORS Stanley M Klainer, Johnny Thomas, Marcus Butler assigned to FiberChem Inc Single or multi-cell reservoir sensors with single illumination sources and one or more detectors
5116962 MATERIAL FOR AFFINITY C H R O M A T O G R A P H Y WHICH IS A SULFATED POLYSACCHARIDE B O N D E D TO AN INSOLUBLE POLYMER Werner Stuber, ques Eric-Paul Pcir/a/, Lahntal, Federal Republic Of Germany assigned to Behringwerke Aktiengesellschaft A process for the preparation of a material for affinity chromatography is described, in which a sulfated polysaccharide is bonded to a carrier material which has amino groups. For this purpose, a sulfated polysaccharide is treated with an oxidizing agent which oxidizes glycols to aldehydes, with cleavage of the carbon chain, and this modified sulfated polysaccharide is allowed to react with a carrier which has amino groups. It is possible using the described affinity material to adsorb proteins which bind to sulfated polysaccharides from solutions of these proteins and, where appropriate, then to desorb them, for example antithrombin Ill from blood plasma.
486
A novel peroxidase was obtained from a fast growing microorganism of the genus Coprinus cinereus. The fungal peroxidase is comparable to the conventional peroxidase derived from horseradish or Japanese radish in that it can be used either as a clinical or diagnostic reagent or as a marker enzyme in enzyme immunoassay.
5116754 SEPARATION OF BACTERIA FROM ORGANIC MATTER Ann D Fraser, Dawn M J Martin, Edward M Riche, Nepean, Ontario, Canada A method and a device for separating certain microorganisms from fecal matter are described. The method is effective in relatively fast detection and identification of bacterial pathogens in e.g. chicken feces, thus making it possible to diagnose certain diseases within a short period of time. The method comprises inducing the bacteria (microorganisms) containing matter through a sequence of basically non-absorbent screens with selected, gradually decreasing pore sizes. Factors important in optimizing the separation process are discussed.
per cell unit have an arrangement whereby a gaseous, vapor or liquid sample enters the cell body and interacts with a sensing solution to detect and quantify a given species. Entrance of the sample into the sensor is through an opening in the cell body which may be covered with a membrane to contain the sensing reagent and to prcsort the species entering the cell. Reservoir cells can be used with organic, inorganic or biochemical sensing materials. A variety of sensors as alcohol, drugs of abuse, organic halides, cyanide and inorganic ions are provided.
5116941 PEPTIDE SUBSTRATES FOR DETERMINATION OF E N Z Y M E ACTIVITY Shuichi Nakatsuyama, Yoshio Nakamura, Katsumasa Kuroiwa, Takeshi Nagasawa, Koriyama, Japan assigned to Nitto Boseki Co Ltd Compounds represented by the following formula: See Patent for Chemical Structure wherein A 1 and A2 each represents a specific amino acid residue, are excellent as substrates for determination of enzyme activity such as trypsin, etc.
5116758 FERMENTATION VESSEL CLOSURE Kuldeep Verma A closure device for fermentation test tubes or flasks comprises a cylindrical cap which fits snugly over the mouth and neck of a test tube or flask to maintain the sterility of the tube or flask contents while permitting the free flow of gases into and out of the tube or flask. An aperture in the end cap of the closure device permits free access to the tube or flask contents for sampling and is closed by a moveable aperture cover.
5116759 RESERVOIR CHEMICAL SENSORS Stanley M Klainer, Johnny Thomas, Marcus Butler assigned to FiberChem Inc Single or multi-cell reservoir sensors with single illumination sources and one or more detectors
5116962 MATERIAL FOR AFFINITY C H R O M A T O G R A P H Y WHICH IS A SULFATED POLYSACCHARIDE B O N D E D TO AN INSOLUBLE POLYMER Werner Stuber, ques Eric-Paul Pcir/a/, Lahntal, Federal Republic Of Germany assigned to Behringwerke Aktiengesellschaft A process for the preparation of a material for affinity chromatography is described, in which a sulfated polysaccharide is bonded to a carrier material which has amino groups. For this purpose, a sulfated polysaccharide is treated with an oxidizing agent which oxidizes glycols to aldehydes, with cleavage of the carbon chain, and this modified sulfated polysaccharide is allowed to react with a carrier which has amino groups. It is possible using the described affinity material to adsorb proteins which bind to sulfated polysaccharides from solutions of these proteins and, where appropriate, then to desorb them, for example antithrombin Ill from blood plasma.