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Biocare Medical/4plus AP 1000 Universal/AP506 US/

价格
面议
货号:AP506US
浏览量:127
品牌:Biocare
服务
全国联保
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商品描述

Streptavidinisaproteinthathassimilarbindingpropertiestoeggwhiteavidin.Itisisolatedfromstreptomycesavidinii.Streptavidinhasamolecularweightof60KDandhas4subunits.Eachsubunitcanbindonemoleculeofbiotin.Biotinisawater-solublevitamin.Streptavidinhasanextremelyhighbindingaffinity(Kd=10-15)forbiotin.Ithasprovenusefulinthedetectionofantigenscoupledwithbiotinylatedsecondaryantibodies.Thereareseveraladvantageswhenusingstreptavidinversusanavidincomplex(ABC).Incontrasttoavidin,streptavidinisnotglycosylatedandisthereforeunchargedatneutralpH(6.5versus10).Thislowersnonspecificbackgroundstaining.Streptavidinalsolackscarbohydratesidechainsthatmaybeanothercauseofnon-specificbackground.Anotherkeyadvantageofstreptavidinisthesignificantincreaseinsensitivity(probablyduetolesssterichindrance),thusfacilitatinganincreaseinoverallbindingcapacity.Finally,streptavidin-enzymeconjugatesaremuchmorestablethananABCcomplex.TheABCcomplexmustbefreshlymade30minutespriortouseandisstableonlyforafewdays.Incontrast,astreptavidin-conjugatecanbestoredforupto1-2years.Thereagentiscolor-codeandcomesinaready-to-useformat,thussavingtimeandpotentialmistakes.Finally,streptavidin-enzymeconjugatesaremuchmorestablethananABCcomplex.TheABCcomplexmustbefreshlymade30minutespriortouseandisstableonlyforafewdays.Incontrast,astreptavidin-conjugatecanbestoredforupto1-2years.Thereagentiscolor-codeandcomesinaready-to-useformat,thussavingtimeandpotentialmistakes.

Volume

1000Slides

Biocare-13q三色FISH探头$ 1,210.00产品描述在多发性骨髓瘤(MM)的情况下,13q区甚至13号染色体的全部缺失非常普遍。RB1,LAMP1和/或DS13S319基因缺失的可变组合在多种血液系统恶性肿瘤中很常见,包括慢性淋巴细胞性白血病(CLL),急性粒细胞性白血病(AML)和MM1,2,3。技术指标技术指标有可能的使用RU卷100微升目标CLL,结颜色水族,绿色,红色染色体13