{"product_id":"kimble-kontes-potter-elvehjem-tissue-grinder-all-glass-885500-0019","title":"KONTES Potter-Elvehjem Tissue Grinder All-Glass","description":"\u003cp\u003eTissue grinders produce homogenates by a combination of shearing and compression actions. The tissue sample is progressively ground (sheared) into smaller pieces at the rounded end of the pestle as the spinning pestle is lowered into the tube. As the pestle is forced lower into the tube, the sample is displaced and forced between the straight outside wall of the pestle and the inside wall of the tube, compressing the tissue cells until they rupture. When the tube is pulled away from the pestle, a slight vacuum is created that pulls the sample back past the compression area, resulting in an additional homogenization stroke. The degree of homogenization is controlled by the clearance between the pestle’s and tube’s cylindrical section (radial distance usually 0.002 - 0.003 inches), the rotational speed of the pestle, and the number of compression strokes made.\u003c\/p\u003e\u003cp\u003er nWe offer three basic types of tissue grinders: Dounce, DUALL and Potter-Elvehjem. r nThe Potter-Elvehjem tissue grinder has rounded shape on the lower portion of the pestle where the sample is progressively ground smaller. Ground glass pestle versions are suited for connective tissues whereas PTFE pestle versions are used with softer tissues.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufactured from borosilicate glass 3.3\u003c\/li\u003e\n\u003cli\u003eDesigned for a motor drive using a 788000 Stirrer Adapter.\u003c\/li\u003e\n\u003cli\u003eAll-glass construction\u003c\/li\u003e\n\u003cli\u003eReplacement components are available and completely interchangeable\u003c\/li\u003e\n\u003cli\u003eClearance between pestles and tubes is 0.004 \"\" to 0.006 \"\"\u003c\/li\u003e\n\u003cli\u003eSpecial clearance pestles can be manufactured upon request. Please contact our customer service.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eOrdering Information\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eCat. No.\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eCapacity (mL)\u003c\/th\u003e\n\u003cth\u003eTube Length (mm)\u003c\/th\u003e\n\u003cth\u003ePestle Length (mm)\u003c\/th\u003e\n\u003cth\u003ePestle Shaft OD (mm)\u003c\/th\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e885500-0019\u003c\/td\u003e\n\u003ctd\u003e19\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e95\u003c\/td\u003e\n\u003ctd\u003e145\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eComplete\u003c\/td\u003e\n\u003ctd\u003eCase of 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e885500-0021\u003c\/td\u003e\n\u003ctd\u003e21\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e140\u003c\/td\u003e\n\u003ctd\u003e205\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003eComplete\u003c\/td\u003e\n\u003ctd\u003eCase 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