We narrowed to 416 results for: Numb
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TypeBlog Post...problem is that the discussions usually focus on the numbers, rather than the necessary resources. This is why...
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Virus Protocol - Generating Stable Cell Lines
TypeProtocol...transfection. Test a variety of brands and FBS lot numbers to find one suitable with your protocols. FBS can...-Tip Transducing too many cells relative to the number of virus particles reduces the transduction efficiency...massive cell death upon antibiotic selection. The number of cells transduced should be enough that they ...amount of time, but not so many that they vastly outnumber the virus particles. Incubate the cells with the...lentivirus used, cells may also exhibit varying numbers of integration events. In other words, if an MOI... -
Guide to Using Pooled Libraries
TypeGuide... the number of plasmids present in the library - for example, the Moffat lab uses 200x the number of cells...cells as plasmids in the TKO library. Using large numbers of cells minimizes the effects of random chance... -
Hot Plasmids: Spring 2025
TypeBlog Post... is challenging to monitor because only a small number of glutamate molecules are released in each synaptic... -
Antibodies 101: Multiplex Immunofluorescence
TypeBlog Post...is expressed in the hippocampus, or counting the number of puncta in each cell. When making figures for... -
Plasmids 101: Repressible Promoters
TypeBlog Post... repressible binary systems. In recent years, a number of more complex systems have also been developed... -
Scientific Reproducibility - Focusing on Solutions at the Minisymposium on Reproducibility
TypeBlog Post...Biology is messy enough that by chance, some small number of the scientists will get a result that confirms... -
Antibodies 101: The Basics of Western Blotting
TypeBlog Post...treatment. Westerns are also a useful readout for a number of cellular assays. They can determine protein ... -
CRISPR 101: Epigenetics and Editing the Epigenome
TypeBlog Post...loci is possible using CRISPR, and Addgene has a number of tools for this purpose. Epigenetics began as... -
How to Design Your gRNA for CRISPR Genome Editing
TypeBlog Post...prediction is ever perfect, but this can decrease the number of guides one needs to test in the lab. Importantly... -
Technique: Probe Phage Genomes for Host Binding Proteins
TypeBlog Post...would for a Western blot in order to reduce the number of cells that will bind non-specifically to either... -
Recombinase-based State Machines Enable Order-dependent Logic in vivo
TypeBlog Post...target states are only represented in a very small number of registers. Instead, one may use qPCR to determine... -
Quick Guide to All Things Lentivirus
TypeBlog Post...FACS dosing method correlates viral titre to the number of cells transduced by a GFP encoded virus, and... -
FLEx Technology and Optogenetics: Flipping the switch on gene expression with high spatial and temporal resolution
TypeBlog Post...ions across the axon's membrane: once a certain number of positive ions crosses the cell membrane, a threshold... -
9 tips for a successful postdoctoral experience
TypeBlog Post...Institute. Today's postdoctoral fellows (PFs) face a number of challenges ranging from long periods of training... -
Transferable Skills Guide: Teamwork
TypeBlog Post...communication options. Addgene, along with an increasing number of academic labs, uses Slack constantly. Whether... -
Lambda Red: A Homologous Recombination-based Technique for Genetic Engineering
TypeBlog Post...Bacterial strain with integrated defective prophage A number of E. coli strains exist that stably express lambda... -
Plasmid Cloning by Restriction Enzyme Digest (with Protocols)
TypeProtocol...to insert ratio of approximately 1:3. Since the number of base pairs for each varies, it is difficult ...the more common chemically-competent cells. The number of bacterial colonies resulting from your transformation... plate that are not correct. If you have a high number of colonies on your recipient plasmid alone plate... ligations. Pick 3-10 colonies depending on the number of background colonies on your control plate (the... -
What is Polymerase Chain Reaction (PCR)
TypeProtocol...100uM stock of any primer, add a number of µl of dH 2 O equal to the number of nanomoles of DNA times 10....by creating a “master mix,” which minimizes the number of small volumes you need to pipet. If you are ...Preparation Multiply the volume of each reagent by the number of individual PCRs you wish to perform and add ... -
Plasmid Cloning by PCR (with Protocols)
TypeProtocol...to insert ratio of approximately 1:3. Since the number of base pairs for each varies, it is difficult ...the more common chemically-competent cells. The number of bacterial colonies resulting from your transformation... plate that are not correct. If you have a high number of colonies on your recipient plasmid alone plate... ligations. Pick 3-10 colonies depending on the number of background colonies on your control plate (the...