We narrowed to 49 results for: sta

...time, you will need to establish glycerol stocks. The addition of glycerol stabilizes the frozen bacteria...alive. A glycerol stock of bacteria can be stored stably at -80°C for many years. Protocol Video Watch the... glycerol stock tube at -80°C. The stock is now stable for years, as long as it is kept at -80°C. Subsequent...information page. The next day you will be able to start an overnight culture for plasmid DNA prep the following...

...Quantify virus by counting antibiotic resistant colonies Generating Stable Cell Lines with Lentivirus Genomically...Introductory techniques designed to help you get started in the lab. Name Description (Link opens in a new...monoclonal cell lines from a polyclonal pool of stable cells AAV Production in HEK293 Cells Produce adeno-associated...Protein G columns Watch the Video! Coomassie Purity Stain Determine purity and concentration of recombinant...

... carry one or more antibiotic resistance genes, which confer resistance to a specific antibiotic to the... carrying them. The presence of an antibiotic resistance gene on a plasmid allows researchers to easily...intend to do a miniprep, you will usually want to start 2 mL in a Falcon tube. For larger preps, you might...antibiotic in your LB media matches the antibiotic resistance on your plasmid. If the bacteria on your LB agar...

...for a variety of downstream applications such as stable-cell line generation. Workflow Timeline Day 0: ... 10-013-CV L-alanyl-L-glutamine (or alternative stable glutamine such as glutaGRO, Corning 25-015-CI) ...: 10% v/v FBS and 4 mM L-alanyl-L-glutamine (or stable alternative, such as glutaGRO) To a 500 mL bottle...and for each cell line. Considerations Before You Start The health of the packaging cell line is critical...endonuclease negative E. coli strain such as NEB stable. Make a mixture of a total of 500 μL PEI-OptiPro...

...Standard protocol for performing agarose gel electrophoresis, including tips to improve resolution and...Ligation Introduction Gel electrophoresis is the standard lab procedure for separating DNA by size (e.g....New England Biolabs B7022S Procedure Pouring a Standard 1% Agarose Gel: Measure 1 g of agarose. Pro-Tip... solution and rinse with water to even out the staining after the gel has been run, just as you would ...-30 mins, replace EtBr solution with water and destain for 5 mins. Using any device that has UV light,...

...purification step, it is important to digest plenty of starting material. We recommend 1.5-2μg of donor plasmid...lanes between samples. In addition to a DNA ladder standard, it is also a good idea to run an uncut sample...plasmid. We recommend around 100ng of total DNA in a standard ligation reaction. You ideally want a recipient...important to set up negative controls in parallel. For instance, a ligation of the recipient plasmid DNA without...instructions for your competent cells. For most standard cloning, you can transform 1-2μl of your ligation...

...containing the carbenicillin (amp) resistance gene (or other antibiotic resistance) Procedure Day 1 Prepare carbenicillin... cells containing plasmids differing in their resistance genes, as one does not need to prepare separate...place of ampicillin because carbenicillin is more stable, so it is potentially more effective at selecting...

... out more protocols and videos to help you get started in the lab! Introduction For many experiments, ...precisely to create the solution you expect. Understanding how to obtain the correct amounts of materials...weighing and prevent cross-contamination with other substances. They also help you transfer the material to ...your lab’s material safety data sheets (MSDS) to understand how to properly dispose of reagents that you ...

... use it to allow the temperature to stabilize. Use water resistant markers, such as permanent markers,... out more protocols and videos to help you get started in the lab! Introduction A water bath is a piece...water bath, be sure to use a marker that is also resistant to chemicals such as ethanol. Writing on the tops...

...Dam or Dcm methylase positive strains will be resistant to cleavage at certain restriction sites. See ...identical, to their recognition sites. This is due to "Star Activity" and can happen for a variety of reasons...(Link opens in a new window) NEB's website about star activity . If you are digesting a large number of... of plasmids with the same enzyme(s) (for instance, in a diagnostic digest), you can create a "Master ...