HorizontalTransferofSupernumeraryChromosomesinFungi
Several species of filamentous fungi contain so-called dispensable or supernumerary chromosomes. These chromosomes are dispensable for the fungus to survive, but may carry genes required for specialized functions, such as infection of a host plant. It has been shown that at least some dispensable chromosomes are able to transfer horizontally (i.e., in the absence of a sexual cycle) from one fungal strain to......阅读全文
超净工作台的空气洁净度一般是多少
超净工作台（Clean Bench）是为了适应现代化工业、光电产业、生物制药以及科研实验等领域对局部工作区域洁净度的需求而设计的。其工作原理为：通过风机将空气吸入预过滤器，经由静压箱进入高效过滤器过滤，将过滤后的空气以垂直或水平气流的状态送出，使操作区域达到百级洁净度，保证生产对环境洁净度的要求。超
超净工作台的空气洁净度一般是多少
超净工作台（Clean Bench）是为了适应现代化工业、光电产业、生物制药以及科研实验等领域对局部工作区域洁净度的需求而设计的。其工作原理为：通过风机将空气吸入预过滤器，经由静压箱进入高效过滤器过滤，将过滤后的空气以垂直或水平气流的状态送出，使操作区域达到百级洁净度，保证生产对环境洁净度的要求。超
超净工作台的分类
超净工作台从操作人员数上分：分为单人工作台和双人工作台；超净工作台从结构上分：分为常规型和新型推拉以及自循环型（仅限垂直流）。超净工作台根据气流的方向分为垂直层流超净工作台（vertical flow clean bench）和水平层流超净工作台（horizontal flow clean benc
UV－CrossLinking－an...－（二）
实验步骤1. UV cross-linking of tissue culture cells 1) Remove media and add ice-cold PBS to cells (e.g. use cells grown in a 10 cm plate for three ex
Removing－cells－from－liquid－nitrogen
Put cryovial straight from storage and float in the 37篊 water bath- caution should be taken as on rare occasions vials can explode when heated up due
Fusion－and－Cloning
Author: Nanci DonackiSource: Contributed by Nanci DonackiAbstract: Procedure for establishing hybridoma in one stepReagents(StemCell Technologies, Inc
Fusion－and－Cloning
ReagentsMedium A - Pre-fusion Medium and Hybridoma Expansion MediumMedium B - Fusion Medium Medium C - Hybridoma Recovery MediumMedium D - Hybridoma S
Quick－Yeast－DNA－Prep:－Isolation－of－Total－DNA－(genomic－and－plasmid)
Grow a 5 ml YPD O/N culture inoculated with a single yeast colony at 30 deg.Transfer culture to a small 13 x 100 glass tube. Spin down cells 2 min. in
Partial－Endonuclease－Digestion
Partial Endonuclease DigestionPrepare a 100 µl reaction mixture containing the DNA of interest in the appropriate 1X restriction enzyme buffer. Divide
超净工作台的分类及用途？
超净工作台的分类及用途？从操作人员数上分为单人超净台和双人超净台；从结构上分为下吸风和上吸风两种；从送风又分为水平送风与垂直送风根据气流的方向可分为：超净工作台根据气流的方向分为垂直流超净工作台(vertical flow clean bench)和水平流超净工作(horizontal flow c
Replica－Printing
Jeff Lawrence (M05)1. Sterilize Velvet Squares with widths at least 50% longer than the diameter of a petri plate.2. Streak strains to be printed for
Phage－DNA
IntroductionThe phage lysate from the plate contains bacterial DNA and RNA, as well as phage DNA encased in the phage coat. The following procedure, d
Method:－Preparation－of－Lymphocyte－Cell－Pellet－for－Storage
Method: Preparation of Lymphocyte Cell Pellet for StorageJune 10, 1990Rosalie VeilePurpose:Following propagation to 1 X 108 cells, lymphoblastoid cell
Cryopreserving－Neural－Stem－Cells
实验概要There are numerous protocols available for cryopreserving neural stem cells (NSCs) derived from human embryonic stem cells; the primary objectiv
Phosphoproteins－pr...
实验概要The following procedure provides a method of detection of phosphorylated proteins.实验步骤1. To a sample of protein solution containing 1-100 ng of
DNA－and－RNA－EXTRACTIONS
A protocol / method / schedule /procedure for extraction / isolation of both DNA and RNA from the same material typically plant leaf / leaves(See also
DNA－EXTRACTION－PROCEDURE－－GENERAL
Grow cells overnight in 500 ml broth medium.Pellet cells by centrifugation, and resuspend in 5 ml 50 mM Tris (pH 8.0), 50 mM EDTA.Freeze cell suspensi
Amicon－Stirred－Ultrafiltration－Cells
DescriptionFor protein concentration, gas pressure is applied directly to ultrafiltration cell. Solutes above the membrane's molecular weight (MW)
Maintenance－of－Cell－Culture
Maintenance of Cell CultureAuthor: Nanci DonackiSource: Contributed by Nanci DonackiDate Added: Tue May 14 2002Date Modified: Tue Apr 27 2004Abstract:
Sphingomyelin－Quantitation－Postcholine－Labeling－of－HL60－Cells
Lipid Extraction1) Following the appropriate time of treatment, transfer 4.5 ml into each of two duplicate glass pyrex tubes and maintain on ice.2) Sp
分子生态学词汇遗传传递
中文名：遗传传递外文名：genetic transfer传递方式：转化、转导和接合特 征：传递过去的基因部分部分接合子定义：遗传传递 genetic transfer 专指细菌中遗传物质在细胞间的传递。其传递方式包括转化、转导和接合等。但仅在接合的情况下，有极少数的供体菌的全部基因组可传递给受
Tube－formation－assay
DescriptionThis is a fast and easy assay to test the angiogenic/anti-angiogenic properties of molecules. As compared to other angiogenesis assays, suc
为什么工业、光电产业生物制药要用到超净台？
超净工作台(clean bench)是为了适应现代化工业、光电产业、生物制药以及科研试验等领域对局部工作区域洁净度的需求而设计的。 注意：超净工作台（clean bench）与生物安全柜（Biosafety Cabinet）不同。超净工作台只能保护在工作台内操作的试剂等不受污染，并不保护工作人
Nucleofection
This is an extract of the Amaxa Biosystems protocol Vs. 09-2005 optimized for use with the UC06 cell line. It is suggested that you try all 5 programs
“你可能是你的微生物”？
据CNN报道，近期的一项研究表明微生物的基因会整合到人类基因中，所以在某种意义上可以这样说：“你体内的微生物可能也是你哦”。 进化图谱通常显示的是人类与猿类拥有同一个祖先，但是现在情况不同啦！科学家指出人类进化图谱上缺失了本应占有一席之地的一个进化环节—我们的细菌、真菌、病毒。 基因水平转移
Method:－Lymphoblastoid－Cell－Lines－from－Frozen－Whole－Blood
Method: Lymphoblastoid Cell Lines from Frozen Whole BloodMay 31, 1990Rosalie VeilePurpose:Blood Samples can be stored frozen as a backup in case an LC
Sea－Urchin－Fertilization
Gametes are collected as described. To remove some of their jelly coat,wash eggs several times in ASW by allowing them to settle and gently pouring of
2D－Polyacrylamide－Gel－Electrophoresis
This method was successful in our lab using prostate tissue and for our specific objectives. Investigators must be aware that they will need to tailor
潘远江教授：电喷雾质谱中的苄基迁移反应研究
浙江大学 潘远江教授 2014年4月26日，首届全国质谱分析学术研讨会在北京西郊宾馆盛大开幕。来自浙江大学的潘远江教授带来了题为《电喷雾质谱中的苄基迁移反应研究》的报告。 潘远江教授首先介绍了他们课题组的气相离子化学研究：解离质子化位点理论模型；苄基阳离子迁移理
Agarose－Gels－for－Single－Stranded－DNA
1. Prepare 50X TAE as:242 g Tris Base57.1 mL Glacial Acetic Acid100 mL 500 mM EDTA, pH 8.0600 mL ddH2OMix. Bring volume to 1 L. Autoclave.2. Mix the f