Skip to main content

We narrowed to 954 results for: COMP

Showing: 131 - 140 of 954 results
  1. Colony Formation Titering Assay

    Type
    Protocol
    ...Lentivirus preparation Reagent Preparation DMEM Complete: 10% v/v FBS and 4 mM L-alanyl-L-glutamine (or...colony formation assay. Prepare a batch of DMEM complete containing 10 μg/mL polybrene by diluting 20 μL...fold serial dilutions of the lentivirus into DMEM complete containing 10 μg/mL polybrene: Dilution Volume...Lentivirus or Previous Dilution (μL) Volume of DMEM Complete Containing 10 μg/mL Polybrene (μL) Volume of Virus...follows: Dilute 7,000 cells into 9.45 mL of DMEM complete containing 10 μg/mL polybrene. Mix well by pipetting...to 8 h and the media can be replaced with DMEM complete. However, antibiotic-containing media should not...aspirate the media from the cells. Add 1.5 mL of DMEM complete containing the appropriate antibiotic. Incubate...
  2. Using a Light Microscope Protocol

    Type
    Protocol
    ...of a compound light microscope with the main components labeled: Figure 1: Diagram of a compound light...electron microscopes that allow us to see cellular components with science-fiction levels of detail. You can...common types that you're likely to encounter: the compound light microscope. As the name suggests, light ... make it through the sample because different components of the specimen will refract and reflect the ...) using dyes or stains that add color to some components of the sample but not others. The light that ...that allow you to capture images directly to a computer, but many microscopes do not and you may have ...
  3. Molecular Biology Reference

    Type
    Guide
    ...editing is most commonly accomplished using CRISPR technology. CRISPR is composed of a DNA endonuclease ... proteins and reside on chromosomes, which are composed of DNA. These findings culminated in the central... encoded by DNA and RNA into proteins. DNA is comprised of four nucleotide bases: adenine, thymine, cytosine...enable the isolation and purification of cellular components, such as DNA, but in practice this isolation ...expression of an endogenous gene. This is frequently accomplished through expression of an shRNA targeting the...nucleotides according to the sequence of the complementary strand. Mimicking the DNA replication process...approximately 18–22 nucleotides, that binds to complementary DNA and acts as a starting point for the DNA...
  4. Plasmid Cloning by Restriction Enzyme Digest (with Protocols)

    Type
    Protocol
    ...want to use electro-competent cells instead of the more common chemically-competent cells. The number of...version of your insert flanked by restriction sites compatible with the recipient plasmid's MCS. However, you... one restriction enzyme, or enzymes that have compatible overhangs or no overhangs after digestion, you...Follow the manufacturer’s instructions for your competent cells. For most standard cloning, you can transform...transform 1-2μl of your ligation reaction into competent cells such as DH5alpha or TOP10. If using much...getting colonies, you might want to use higher competency cells. Additionally, if your final product is...you used only one enzyme or used enzymes with compatible overhangs you will need to verify the orientation...
  5. Virus Protocol - Generating Stable Cell Lines

    Type
    Protocol
    ...puromycin, blasticidin) Reagent Preparation DMEM Complete: 10% v/v FBS and 4 mM L-alanyl-L-glutamine (or...kills all of the cells. Prepare a batch of DMEM complete + 10 µg/mL polybrene by diluting 20 µL of 10 mg...a range of dilutions of the lentivirus in DMEM complete + 10 µg/mL polybrene. Note, this is just a sample...Dilution Volume of Lentivirus (μL) Volume of DMEM complete + 10 µg/mL polybrene (µL) 0 0 500 1:5 300 200 ...,000 cells into a total volume of 7 mL of DMEM complete + 10 µg/mL polybrene. Mix well by pipetting or...all the media in these wells was made with DMEM complete + 10 µg/mL polybrene, the final concentration ...aspirate the media from the cells. Add 1.5 mL of DMEM complete containing the appropriate antibiotic. This is...
  6. Promoters

    Type
    Guide
    ... including transcription and the transcription complex....of a gene is initiated. Promoters are a vital component of expression vectors because they control the...Promoter binding is very different in bacteria compared to eukaryotes. In bacteria, the core RNA polymerase...other hand, the process in eukaryotes is much more complex. Eukaryotes require a minimum of seven transcription... eukaryotic transcription, bacteria still have complex systems of gene regulation, like operons. Operons...Eukaryotic Promoters Eukaryotic promoters are much more complex and diverse than prokaryotic promoters and span... start site (TSS). Eukaryotic promoters are so complex in structure that the DNA tends to fold back on...
  7. AAV Production in HEK293 Cells

    Type
    Protocol
    ... mM NaCl, 2 mM MgCl2) Reagent Preparation DMEM Complete : 10% v/v FBS and 4 mM L-alanyl-L-glutamine (or...min. Neutralize trypsin by adding 10 mL of DMEM Complete. Pipet back and forth vigorously multiple times...-175 flasks. Adjust volume to 300 mL with DMEM complete media and mix. Seed all cells in 1 CS2. Return...CS2 to help detach the cells, add 200 mL of DMEM complete media, then transfer the cells into a sterile ...sterile bottle. Rinse the CS2 with 100 mL of DMEM complete medium and pool with the cells harvested in the previous... with PEI and allow for the addition of other components, such as sorbitol and sodium bicarbonate, sorbitol...Pipet back and forth to resuspend each pellet completely. Combine resuspended pellets and keep on ice....
  8. Protocol - pLKO.1 – TRC Cloning Vector

    Type
    Protocol
    ... 21-mer targets in your gene B.2 Order oligos compatible with pLKO.1 C. Cloning shRNA oligos into pLKO...vector. A.2 Map of pLKO.1 pLKO.1 is a replication-incompetent lentiviral vector chosen by the TRC for expression...sequence), while the EcoRI site is preserved. For a complete map of pLKO.1 containing the 1.9kb stuffer, visit... nuclear import of the vector’s preintegration complex in the transduced cells. hPGK Human phosphoglycerate...about off-target effects. B.2 Ordering Oligos Compatible with pLKO.1 To generate oligos for cloning into... shRNA sequence flanked by sequences that are compatible with the sticky ends of EcoRI and AgeI. Forward...M0202S T4 DNA ligase buffer NEB #B0202S DH5 alpha competent cells Invitrogen #18258-012 Qiaquick gel extraction...
  9. Lentivirus Production

    Type
    Protocol
    ... 15 mL DMEM Complete. Wednesday: Plate 1×10 6 cells in a T75 flask in 15 mL DMEM Complete. Friday: Plate...your insert of interest Reagent Preparation DMEM Complete (also known as D10): 10% v/v FBS and 4 mM L-alanyl-L-glutamine...Plate 8×10 5 cells in a T75 flask in 15 mL DMEM Complete. Do not add pen-strep to the media. Use cells ...packaging cells at 3.8×10 6 cells per plate in DMEM Complete in 10 cm tissue culture plates. Incubate the cells...at RT. During the incubation, add 10 mL of DMEM Complete to a 15 mL conical and an appropriate amount of...the media. Replace the media with 10 mL of DMEM Complete or OptiPro SFM. Incubate the cells. Virus can ...
  10. Molecular Biology Protocol - Restriction Digest of Plasmid DNA

    Type
    Protocol
    ...works for both of your enzymes. Most companies will have a compatibility chart, such as the (Link opens in...enzymes that have compatible sticky ends. See (Link opens in a new window) NEB's compatible cohesive ends...ends chart . If you cannot find compatible sticky ends, you will need to fill in the overhangs and conduct...Master Mix" consisting of all of the reaction components except for the DNA. Aliquot your DNA into individual...
Showing: 131 - 140 of 954 results