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Determination of spermatozoan motility☆
[摘要] Arapidmethodforthequantitativedeterminationofspermatozoanmotilityisdescribed.Thismethodinvolvesthespectrophotometricmeasurementoftheopticaldensityofspermsuspensionsmadetoflowthroughaflow-cellsoastoorientinthedirectionofthelightpath.Whentheflowisstoppedthespermatozoareturntorandomness.Thetimeittakesaspermatozoansuspensiontoreturntorandomnesscanbefollowedspectroscopicallyanditisdirectlyrelatedtothespermatozoanmotility.Themotilityofseaurchinspermatozoaupondilutionintoseawaterhasbeenquantitativelydeterminedandfoundtoconsistofthreedistinctperiods:(1)shortperiodofhighmotilitywithoutdecreaseinactivity,(2)periodofrapiddeclineinactivity(whichappearstobeexponential),and(3)avariableperiodoflowactivity.TheeffectofEDTAonthe3periodsisalsodescribed.
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[效力级别]  [学科分类] 生物科学(综合)
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