PreparingOvernightBacterialCulture

Materials:Sterile LB medium (Luria-Bertani Medium) with or without antibiotic:water 500 mlbacto-tryptone 10 gbacto-yeast extracts 5 gsodium chloride 10 gstir to dissolvepH to 7.0autoclave to sterilizecool to 50-60 degrees Cadd antibiotic if neededAgar plate with bacterial colonies:scrape bacteria glycerol stock such as E coli DH5 (LifeTechnologies) or scratch a single colonies from an old agar plate with bacteria col......阅读全文

Preparing-Overnight-Bacterial-Culture

Materials:Sterile LB medium (Luria-Bertani Medium) with or without antibiotic:water 500 mlbacto-tryptone 10 gbacto-yeast extracts 5 gsodium chloride 1

Bacterial-cell-culture

MaterialsGlass culture tubes with metal caps and labelsGrowth medium, from media room or customizedGlass pipette tubesParafilmEquipmentVortexerFireboy

细菌培养

Preparing Overnight Bacteria Culture (LaboratoryExperiments.com)This is a basic procedure for high school students and useful for those who are new to

Maxiprep-preparation-of-Plasmid-DNA

实验概要The  PureLink™ HiPure Plasmid DNA Maxiprep Kit allows purification of  500–850 μg of high-quality plasmid DNA from 100–200 mL overnight E. coli cu

Cosmid-DNA-Isolation

实验概要Isolation of high yields of highly pure cosmid DNA using PureLink™ HiPure Plasmid Purification Kits.实验原理The  PureLink™ HiPure Plasmid Purification

Preparation-of-Bacterial-Proteins-for-Analysis-by-2DPAGE

The following protocol has been developed for preparing soluble bacterial proteins in a form suitable for analysis by 2D-PAGE. The procedure was princ

Long-Term-Storage-of-Bacterial-Strains

Purpose:Bacterial strains may be stored indefinitely at low temperatures (- 20 degrees C and -80 degrees C) in 15 to 40 glycerol. It is lab policy to

Midiprep-preparation-of-Plasmid-DNA

实验概要The  PureLink™ HiPure Plasmid DNA Midiprep Kit allows purification of  100–350 μg of high-quality plasmid DNA from 15–25 mL overnight E. coli  cul

E.Z.N.A.™-Fastfilter-Plasmid-Mega-Protocol

实验概要The  E.Z.N.A.™ family of products is an innovative system that radically  simplifies extraction and purification of nucleic acids from a variety  

Growing-Overnight-Cultures

1. Place 2 mL of the appropriate sterile medium in a 13 mm yellow-capped culture tube. If more culture is needed, place up to 5 mL in a 16 mm green-ca

质粒的小量制备

·         Standard (alkaline lysis) Mini-Prep (Goldberg Lab)Standard protocol for mini-prep and recipe for solution I, II and III.Alkaline Lysis Minip

质粒的小量制备

·         Standard (alkaline lysis) Mini-Prep (Goldberg Lab)Standard protocol for mini-prep and recipe for solution I, II and III.Alkaline Lysis Minip

E.Z.N.A.®-Plasmid-Maxi-Kit-vacuum-Protocol

实验概要This Protocol is designed to isolate 500-1200 ug of high Copy-Number plasmids or 50-400 ug of low Copy-Number Plasmids from 200 ml overnight c

Expression-Protocol-in-M9-Minimal-Media-via-T7-Promoter

The following protocol has been used successfully to 15N or 13C/15N label our proteins using our pET1120/BL21(DE3) expression system: Preparing M9 min

Expression-Protocol-in-M9-Minimal-Media-via-T7-Promoter

Expression Protocol in M9 Minimal Media via T7 PromoterThe following protocol has been used successfully to 15N or 13C/15N label our proteins using ou

E.Z.N.A.®-Plasmid-Maxi-Kit-Spin-Protocol

实验概要This Protocol is designed to isolate 500-1200 ug of high Copy-Number plasmids or 50-400 ug of low Copy-Number Plasmids from 200 ml overnight c

Transformation-of-E.-coli-by-Electroporation

实验概要        Electrocompetent bacteria are prepared by growing cultures to mid-log phase, washing the bacteria extensively at low temperature, and

Preparation-of-Plasmid-DNA-by-Alkaline-Lysis-with-SDS:-Minipreparation

实验概要Plasmid DNA is isolated from small-scale (1-2 ml) bacterial cultures by treatment with alkali and SDS.主要试剂Buffers and Solutions:    Alkaline lysis

Large-Scale-Plasmid-Preps:-Qiagen/Cesium-Method

Most plasmids can be adequately prepped by kits containing DNA binding columns. These columns do not do a great job of separating plasmid DNA from con

Preparing-a-Selenomethionyl-Protein

PurposeThe protocol describes how to prepare selenomethionyl (Se-Met) protein using a regular E.coli strain. Selenium can be used for phase determinat

Preparing-cells-and...

实验概要The method provides a protocol and tips for BrdU staining in tissue sections.Bromodeoxyuridine (5-bromo-2-deoxyuridine, BrdU) is a synthetic

Preparing-Lambda-DNA

Preparing Lambda DNA1- Coliphage lambda DNA is a widely used vector for recombinant DNA. The middle third of its 48,000 bp contains no genes required

Differentiating-Neural-Stem-Cells-into-Neurons-and-Glial-Cells

实验概要The protocols in  this section describe the steps involved in differentiating neural stem  cells (NSC) to neurons, astrocytes, and oligodendrocyte

超级感受态细胞的制备

The Inoue Method for Preparation and Transformation of Competent E. coli: "Ultra Competent" CellsJoseph SambrookPeter Maccallum Cancer Institute and T

Bacterial-transformation

IntroductionTransformation is the process of introducing foreign DNA (e.g plasmids, BAC) into a bacterium. Bacterial cells into which foreign DNA can

Streaking-Bacterial-Stocks

Principle:Bacterial cells are streaked onto a medium to obtain an independent isolate. This is done to reduce the likelihood of working with a culture

Protein-Expression-and-Purification-Protocol

Step 1: Transform appropriate DNA plasmid into BL21(DE3) E. coli cells. These cells must be competent. (Protocol for how to make competent cells.)a) T

DNA纯化手册2

Key points to observe: a. Use a endA1- E. coli strain for plasmid propagation and isolation whenever possible. The instability of plasmids isolated fr

Lambda(噬菌体)DNA-Miniprep

David HarryInstitute of Forest GeneticsUSDA Forest ServicePacific Southwest Research StationAugust 26, 1993Background :There are many published method

Preparing-chemically-competent-cells

MaterialsPlate of cells to be made competentTSS bufferLB mediaIceGlassware & EquipmentFalcon tubes500μl Eppendorf tubes, on ice200ml conical flask200μ