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Recovery rate of the original motile spermatozoa after freezing and thawing: >50%
Optically Clear
If available
it is recommended that the count be made from 2 or 3 other drops of the specimen to increase the reliability of count determination
Liquid Nitrogen (LN2) Measuring Stick ICSI Recovery rate of the originalLiquid Nitrogen (LN2) Measuring Stick These measuring rods provide an easy, efficient way to measure, in inches and centimeters, the liquid nitrogen level within a dewar and cryogenic freezer. To use, place measuring stick to the bottom of the liquid nitrogen, hold for 4 5 seconds, remove, and allow frost to form on the measuring stick. A frost line will appear at the height of the liquid nitrogen on the measuring stick. The actual level may be up to
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