We narrowed to 994 results for: Ran
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TypeBlog Post... to research potential future employers and to arrange informational interviews. 4. “Tips for Scientists...
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A Novice's Perspective on Neuroscience - SfN2017
TypeBlog Post...experiments and to find tools that will make your transition into the field much easier! If there’s a plasmid... -
Plasmids 101: Screening Strategies Used in Plasmid Cloning
TypeBlog Post...information (more on this below). Plating the transformation on ampicillin plates containing X-gal allows... -
Improved Plasmid Maps Powered by SnapGene
TypeBlog Post...in-house software and also eliminates many of the extraneous ORFs that cluttered our old plasmid maps. Clearly... -
Clear and Accessible Writing
TypeBlog Post...resources on the Addgene blog Five Steps to Writing Grant Proposals to Grad Students Writing Scientific Manuscripts... -
Choosing a CRISPR Nuclease: Site Accessibility, Specificity, and Sensitivity
TypeBlog Post...across a number of different sites. Using a combined random and directed mutagenesis approach, the Anna Cereseto... -
How to Keep a Lab Notebook for Bioinformatic Analyses
TypeBlog Post...like a wet lab experiment I use the text editor TextWrangler to record the following, which are later printed... -
Dos & Don'ts When Publishing a Scientific Manuscript
TypeBlog Post...full of typos. Don’ts: Submit your manuscript to random journals or as many journals as possible at the... -
Colony Formation Titering Assay
TypeProtocol...Different brands and lots of FBS can promote or inhibit transfection. Test a variety of brands and lots...time as the virus-mediated transduction. For some cell lines, transduction is optimized if the cells are...When the untransduced (negative control) cells have died and colonies are visible in the transduced wells...experiments. Workflow Timeline Day 0: Seed and transduce cells Day 2: Replace media with fresh media containing...to the media, as it can affect viability and transduction efficiency. Titer will vary between cell lines... are seeded the day before transduction. Note that in that case, polybrene should only be added at the...the time of viral transduction, and not during the cell seeding step. Procedure Before beginning a colony... -
Isolating a Monoclonal Cell Population by Limiting Dilution
TypeProtocol... volume of homogenized cell solution is transferred. Transfer cells from the homogenized cell solution...990 µL complete medium. Instead of transferring 0.125 µL, now transfer 100 times that volume, which is 12.5... solution, transfer 12.5 µL of the 1:100 dilution to 10 mL of conditioned medium. Transfer 100 µL of the...generated from A549 cells transduced with lentiCas9-Blast 1 . A549 cells were transduced (MOI = 37) and selected...line from a polyclonal pool of stable cells. Transducing cells with lentivirus results in a heterogenous...heterogeneous cell pool could lead to reduced transgene expression over time, as the lower expressing ...populations that are more likely to retain stable transgene expression. Other methods of generating a monoclonal... -
Summer SciComm Series: Cognitive Load
TypeBlog Post... the effort associated with a specific topic; extraneous cognitive load refers to the way information ... -
Antibodies 101: Secondary Antibodies
TypeBlog Post...in light green; and proteins are represented in orange. Created with BioRender.com. How do secondary... -
Oh, The Places You Can Go: Careers in Science Communication - Writing for a Research Institute
TypeBlog Post.... “I was lucky to have been able to make that transition really smoothly,” says Susan. After being in ... -
The time and cost required to make a plasmid
TypeBlog Post...relevant work in your field! However, there’s no guarantee you’ll get a response on the first try (or any... -
Gendered Innovations: Why Does Sex of the Cell Matter?
TypeBlog Post...results, but this result shouldn’t be taken for granted for all research going forward. It’s just not that... -
Plasmids 101: Golden Gate Cloning
TypeBlog Post...vector + insert may spontaneously religate, this transient construct retains functional Type IIS sites and... -
Writing Scientific Manuscripts: Literature Searching, Reading, & Organizing
TypeBlog Post...your area. When you are in ‘writing-mode’ for a grant or a scientific manuscript, the reading will likely... -
AAV Production in HEK293 Cells
TypeProtocol...Different brands and lots of FBS can promote or inhibit transfection. Test a variety of brands and lots...cells in CS2 Day 2: Seed cells in CS5 Day 3 (am): Transfect cells Day 7 (am): Harvest cells Equipment Class...Polyethylenimine (PEI) 25 kDa MW Pro-Tip Other transfection reagents may be used in this protocol, but their...their conditions must be optimized. Plasmids for transfection: pHelper; pRC (Rep-Cap), plasmid expressing ...drifted. Filter the solution through a 0.22 μm membrane. Aliquot 500–1000 μL into sterile tubes. Store... pH to ~8.5 Filter sterilize through a 0.22 μm membrane. Store at 4 °C. Considerations Before You Start... Pass and plate the cells the day before the transfection. Thaw a new vial of cells after 30 passages.... -
Fluorescence Titering Assay
TypeProtocol...Different brands and lots of FBS can promote or inhibit transfection. Test a variety of brands and lots... were transduced with a range of dilutions of pHAGE-TO-dCas9-3XmCherry . 72 h post transduction, cells...cells transduced F = Fraction of cells with fluorescence D = Dilution Factor V T = Transduction Volume...Workflow Timeline Day 0: Seed 293T cells Day 1: Transduce cells Day 2 (am): Remove media, replace with fresh...to the media, as it can affect viability and transduction efficiency. Titer will vary between cell lines...1468.5 1.5 1:75 20 1478.5 1.5 1:100 15 1483.5 1.5 Untransduced 0 1498.5 1.5 Mix the dilutions well Gently aspirate... one dilution with one well remaining as the untransduced control). Count the cells in the remaining well... -
Antibodies 101: ELISA (Enzyme-linked Immunosorbent Assay)
TypeBlog Post...concentration of any experimental wells in that range of optical densities. If your standard curve does...