We narrowed to 988 results for: Ran
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TypeBlog Post...overwhelming when you are presented with a sea of strangers. Try things like sitting at a table for lunch ...
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Antibodies 101: Conventional vs Spectral Flow Cytometry
TypeBlog Post...the markers in the panel. This complexity index ranges from 0-1, with a value of “0” indicating those ... -
Of Myc and Men
TypeBlog Post...an amide group added to its C-terminus post-translationally, which turned out to be critical for antibody... -
PhD Applications After COVID
TypeBlog Post...lab, research, and provide them with a CV or transcripts if requested Thank them, and eagerly await a ... -
Experimenting with New Careers while in Grad School
TypeBlog Post...speakers each week, my department and graduate office arranged opportunities to meet with various professionals... -
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... -
A Guide to Starting Your Own Journal Club
TypeBlog Post...of current new and exciting literature. As I transitioned out of academia and away from the bench I certainly... -
Sharing Your Lab Protocols: Using Apps to Save Time & Track Your Experiments
TypeBlog Post...restriction digest of plasmid DNA, and bacterial transformation. And more plasmid-related educational resources... -
Lentivirus ddPCR Titration
TypeProtocol... is based on an LV titer range of 1E+05–1E+09 TU/mL, where TU is transducing units and generally represents...July 7, 2023 Workflow Timeline Day 1: Seed and transduce cells Day 4: Treat cells with Benzonase and harvest...Complete 3 µL of 250 U/µL benzonase Procedure Transducing Cells Thaw the virus on ice. Prepare the following... pipette 10–20 times. Use a new pipette tip to transfer 200 µL of the first dilution into the next dilution... plate (1 dilution per well). Leave one well untransduced (add 150 µL of DMEM complete instead of a viral... into the wells containing the virus and the untransduced control. Pro-Tip For even seeding, prepare a...min. Resuspend cells in 500 µL DMEM complete and transfer to a microcentrifuge tube. Centrifuge for 5 min... -
Controlling for Off-target Effects with a New Genome-wide CRISPR Screen Design
TypeBlog Post...DNase hypersensitivity, or are in an enhancer, transcription factor binding site, or a coding region. Targeting... -
Neuronal labeling with Spaghetti Monster
TypeBlog Post...ideal probe should combine the solubility, cell tolerance, and optional fluorescence of FPs with facile ... -
CRISPR 101: Targeting RNA with Cas13a (C2c2)
TypeBlog Post...Recombinase Polymerase Amplification (RPA) or Reverse-transcription RPA (RT-RPA), respectively. Amplified nucleotides... -
What is Polymerase Chain Reaction (PCR)
TypeProtocol...step heats the double stranded DNA template strand to the point where the strands start denaturing and ...this temperature range to anneal to each of the single stranded DNA template strands. The DNA polymerase...of the sense and anti-sense strands of the template DNA. They are strands of nucleic acid that are starting...molar ratio. It also requires two unique single stranded DNA oligonucleotide (oligo) primers, which anneal...seconds at 94°C: Continued denaturation of double stranded DNA. Anneal primers for 30 seconds at 55°C: The...polymerase to synthesize and elongate the new target DNA strand accurately and rapidly. Repeat steps 2-4 25-30 ...fill-in any protruding ends of the newly synthesized strands. Materials List Reagents for each 50µL PCR: Thin-walled... -
CRISPR Library Amplification
TypeProtocol... Day 1: Transform, recover, set up overnight growth (Estimated time 2-3 hours) Transformation should be...of 5 mL (3 mL SOC + 2 mL transformed Endura from two separate transformations). Pro-Tip Do not pipette...assumes familiarity with standard bacterial transformation and basic knowledge of the library being amplified...amplified. Please see our protocol on Bacterial Transformation . The generalized pooled library amplification...premixed LB (VWR 101414-072) for convenience but any brand or house- made LB that supports normal growth is...using a new vented falcon tube for every two transformations. Each of the four 14 mL Vented Falcon Tubes...repeatedly or mix when removing SOC containing transformed DNA-Endura from cuvette. Shake four 14 mL Vented... -
Protocol - Over-Agar Antibiotic Plating
TypeProtocol...incubation, transform DH5α E. coli cells by heatshock with the plasmid of interest. See our transformation page...for a detailed heatshock transformation protocol. Plate 50 µL of transformed E. coli /rescue media suspension...also like... Making LB Agar Plates Bacterial Transformation Recovering Plasmid DNA from Bacterial Culture...plating antibiotic over-agar for the selection of transformed E. coli . Over-agar spreading of antibiotic makes...investigator to conveniently plate and select transformed cells containing plasmids differing in their ... sterile water (or other antibiotic) E. coli transformed with a plasmid containing the carbenicillin (...carbenicillin, plated over-agar for selection of transformed E. coli . Sample Data Selection of E.coli on ... -
CRISPR 101: Validating Your Genome Edit
TypeBlog Post...optimizing this step, or consider enriching for transfected cells by flow sorting or drug selection, assuming... -
Plasmids 101: Common Lab E. coli Strains
TypeBlog Post...Propagation of ccdB-containing plasmids Hte High transformation efficiency deoR constitutive expression of... -
Building Global Connections with the International Mentorship Program USA-EUROPE
TypeBlog Post... University of Valencia): “IMP showed me a wide range of professional opportunities that are outside of... -
Plasmid Cloning by PCR (with Protocols)
TypeProtocol...recipient plasmid backbone. Transformation Proceed with the transformation according to the manufacturer...from your transformation will give you the first indication as to whether your transformation worked. Your...Digest of Plasmid DNA DNA Ligation Bacterial Transformation Summary PCR based cloning is incredibly versatile...chance for mis-priming, so you can use a pretty wide range of annealing temperatures, but you may need to increase...competent cells. For most standard cloning, you can transform 1-2μl of your ligation reaction into competent...conduct a positive control to ensure that your transformation worked. You could also try varying the amount...cloning. DNA replication by PCR has error rates that range from roughly 1 per 500bp to roughly 1 per 10 million...