We narrowed to 610 results for: sam
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TypeProtocol...before you place the sample at -80°C. Frozen tubes are hard to write on and samples stored for long periods...glycerol. You can prepare the glycerol stock the same time you prepare your plasmid DNA. In the morning...
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Video Library
TypeProtocol...Pipetting Technique Learn how to pipette multiple samples at once using a multichannel pipette and avoid ...bands out of the agarose gel and purify the DNA samples. This is a commonly used technique for molecular... Your guide to the MTA process when requesting samples from Addgene Technology Transfer How to Order A... -
Immunocytochemistry
TypeProtocol...optimal fixation method will vary depending on the sample type and the protein of interest. You may need ...expected and specific, include a positive control sample that you know expresses the protein, such as cells...the protein of interest, and a negative control sample such as cells that do not express the protein of... -
Handling Plasmids from Addgene - Purifying Plasmid DNA
TypeProtocol...of DNA Samples Add an equal volume of TE-saturated phenol-chloroform to the aqueous DNA sample. Pro-Tip...remaining contaminant proteins and RNase A from the DNA sample. When phenol is mixed with the aqueous solution... -
Protocol - Over-Agar Antibiotic Plating
TypeProtocol...absorbed. The spreading of cells can be done in the same way as the antibiotic, using either a bent micropipette...over-agar for selection of transformed E. coli . Sample Data Selection of E.coli on LB-agar using different... -
Protocol - pLKO.1 – TRC Cloning Vector
TypeProtocol...two different shRNAs that target the same gene can produce the same phenotype will alleviate concerns about...boiling water. If using a PCR machine, incubate the sample at 70°C for 10 minutes then slowly cool to room... -
Molecular Biology Protocol - Restriction Digest of Plasmid DNA
TypeProtocol...double digest (digesting with two enzymes at the same time), you will need to determine the best buffer...are digesting a large number of plasmids with the same enzyme(s) (for instance, in a diagnostic digest)... -
Colony Formation Titering Assay
TypeProtocol...protocol outlines the seeding of the cells at the same time as the virus-mediated transduction. For some... titer, take the average of multiple dilutions. Sample Data Figure 1: A549 cells were transduced with ... -
Virus Protocol - Generating Stable Cell Lines
TypeProtocol...complete + 10 µg/mL polybrene. Note, this is just a sample of possible dilutions. You may want to try higher...monoclonal lines from the early polyclonal populations. Sample Data Figure 1: Generation of monoclonal cell lines... -
Antibody Guide
TypeGuide...application Collect and lyse samples to make proteins available. Tissue samples may need additional processing...culture samples to extract proteins. Homogenize (tissues only) and lyse. Cross-link the samples with formaldehyde...isotype. Overview of application Fix your samples. Prepare your samples using permeabilization, antigen retrieval...Blank controls in the form of sample buffer must also be run. Unique samples (non-biological replicates)...cultured B cells, where each culture should produce the same antibody clone, or from plasmid-based expression...factors, binding partners, location in the cell, and sample processing can hide or reveal epitopes on an antigen...contain antibodies targeting various epitopes on the same antigen. Polyclonal antibodies are often more environmentally... -
CRISPR Guide
TypeGuide...protein, instead of a two-component system (Figure 9C) SAM activators - co-expression of dCas9-VP64 with a modified... ensures that all gRNAs will be expressed in the same cell. This is called multiplexing , and increases...deletions or inversions with two gRNA sites on the same chromosome. Most multiplex systems enable researchers...sequence ~1 kb shorter than SpCas9 while retaining the same basic function. Its size allows it to be efficiently...from Neisseria meningitidis ), which are about the same size as SaCas9, with higher fidelity than SpCas9... types of base edits: Base transitions - edit to same classification of nucleotide base (purine-to-purine...an enzyme evolved to excise inosine to access the same repair pathway and convert A to any other base. ... -
Protocol - How to Design Primers
TypeProtocol...primer is used to amplify a eukaryotic genomic DNA sample. However, a primer should not be too long (> 30... -
Protocol - How to Perform Sequence Analysis
TypeProtocol...just after base 70 there are multiple peaks in the same location. Looking at the trace file will give you... -
Ligation Independent Cloning
TypeProtocol...have different leader sequences, but operate on the same principle (homologous to the first G on 3'-5' strand... -
Protocols for Molecular Biology, Plasmid Cloning, and Viral Preps
TypeProtocol...centrifuge to separate different components in a liquid sample Using a Light Microscope Learn about the parts ... -
Fluorescence Titering Assay
TypeProtocol... titer, take the average of multiple dilutions. Sample Data Figure 1: 293T cells were transduced with ... -
General Transfection
TypeProtocol...24–48 h before checking for protein expression. Sample Data Legend: Lenti-X 293T cells were transfected... -
Lentivirus Production
TypeProtocol... °C as soon as possible to avoid loss of titer. Sample Data Figure 1: 293T cells were transfected with... -
What is Polymerase Chain Reaction (PCR)
TypeProtocol... volumes you need to pipet. If you are using the same template DNA for all your reactions, the Template... -
Gamma-Retroviral Vector Guide
TypeGuide...Both lentiviruses and gamma-retroviruses use the same packaging genes. However, they are different viruses...with gamma-retroviral vectors is essentially the same as lentiviral vectors. Many gamma-retroviral vectors...in cis refers to genetic elements located in the same plasmid as the gene of interest. in trans In the...