DNA聚合酶

How to prepare Molecular Biology grade glycogen

Author:RobertoSalvi
Source:ContributedbyRobertoSalvi
Abstract:GlycogencanconvenientlysubstitutefortRNAasacarrierfornucleicacidprecipitation.AlthoughMolecularBIOLOGygradeglycogencanbepurchasedfromanumberofvendors,themaindisadvantageisthatitisveryexpensive(e.g.,About100dollars/20-40mg).HerewepresentasimpleandinexpensiveprotocoltopreparealargeamountofglycogenwhichissuitableforanykindofMolecularBiologyapplication(weroutinelyuseitforRNAwork).

Overview

GlycogencanconvenientlysubstitutefortRNAasacarrierfornucleicacidprecipitation.AlthoughMolecularBiologygradeglycogencanbepurchasedfromanumberofvendors,themaindisadvantageisthatitisveryexpensive(e.g.,About100dollars/20-40mg).

HerewepresentasimpleandinexpensiveprotocoltopreparealargeamountofglycogenwhichissuitableforanykindofMolecularBiologyapplication(weroutinelyuseitforRNAwork).

Procedure

<>Startbydissolving5gr.ofglycogen(fromOyster,SigmaG8751)in10mlofmilli-Qwater.ExtractoncewithonevolumeofPhenolfollowedbyoneextractionwithonevolumeofChlorophorm.Addonevolumeofabsoluteethanoltothesupernatant,atthispointtheglycogenwillprecipitateinstantaneously.Collecttheprecipitatebycentrifugationandairdrycompletelythepellet.WeighthepowdersoobtainedandresUSPenditinautoclavedmilli-Qwaterataconvenientstockconcentration(10-20mg/mlissuggested).Storeinthefreezerin1-mLaliquots.

================  蚂蚁淘在线  ================

免责声明:本文仅代表作者个人观点,与本网无关。其创作性以及文中陈述文字和内容未经本站证实,对本文以及其中全部或者部分内容、文字的真实性、完整性、及时性本站不做任何保证或承诺,请读者仅作参考,并请自行核实相关内容

版权声明:未经蚂蚁淘在线授权不得转载、摘编或利用其他方式使用上述作品。已经经本网授权使用作品的,应该授权范围内使用,并注明“来源:蚂蚁淘在线”。违反上述声明者,本网将追究其相关法律责任。

  • 资质认证

    获得国家资质,权威认证!

  • 全国联保

    全国联保,官方无忧售后

  • 正规发票

    正规发票,放心购买

  • 签订合同

    签订合同,保障您的权益

/**/