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We narrowed to 939 results for: OMP

Showing: 481 - 500 of 939 results

  1. How Dry Ice Affects Viral Vector Sample pH & How to Avoid It

    Type
    Blog Post
    ...liquid solution and pH paper to measure the pH. We compared the dry ice-stored samples to controls that were...ice for 72 hours and then vented the tubes by completely removing the caps, incubating the tubes in an...and then recapping the tubes prior to thaw. We compared vented and non-vented tubes to controls that were...various recovery periods between 0 and 96 hours. We compared these samples to controls that were only stored...

  2. Optimizing Donor DNA for Enhanced CRISPR Genome Editing

    Type
    Blog Post
    ...strand in Figure 1 below) was free to anneal to complementary ssDNA molecules in vitro. Figure 1: Cas9...discovered that single stranded donor DNA: Complementary to the released strand, 127bp in length, With...target DNA that was accessible to anneal with complementary single stranded DNA. We thus wondered if such... any of the error-prone repair that normally accompanies Cas9 cutting. We still don’t know the mechanism...

  3. Addgene Welcomes John Doench to the Advisory Board

    Type
    Blog Post
    ...Sharp. After a few rotations, Doench decided to complete his PhD work in Sharp’s lab.  Doench says, “what...what I loved about [RNAi], ... it was just this complete black box. The RNAi process had just been discovered...evolved into the Genetic Perturbation Platform and encompasses a variety of technologies to functionally investigate...he says, “In the case of CRISPR, the hype was completely justified… it has been just an incredibly useful...

  4. Finding and Joining Your Dream Lab

    Type
    Blog Post
    ...guide for the quest of a perfect "fit". How competitive is the lab? Some labs have only one author plus...labs around the world. You may prefer a more competitive style to spur you to succeed or you might enjoy...enjoy working closely with others to accomplish your goals. You must understand your own style before making...Finding your dream lab While none of us will feel completely happy at work all of the time, the goal is to...

  5. Opto-Nanobodies: Using Light to Manipulate Cell Signaling and Protein Purification

    Type
    Blog Post
    ...controlling cell signaling. Key components of OptoNBs OptoNBs have two key components: an AsLOV2 domain and a ...activity in cells.  Let’s shed some light on the key components of OptoNBs, how they are generated, and their...variable heavy chain antibody domain.  How do these components interact? When fused together to form an OptoNB...

  6. Why and how to start studying chromatin (with Addgene's help)

    Type
    Blog Post
    ...being depicted, we can’t forget that those other components are still there in real life.  Certainly referring...interact with each other. Chromatin regulation is complex and influences--directly or indirectly--many other...PIs, articles, genes, and blog posts are not comprehensive, so just because you do not see a name or gene...phosphoinositol-dependent binding of the SWI/SNF-like BAF complex to chromatin after T lymphocyte receptor signaling...

  7. Cas13d: Small RNA-targeting CRISPR enzymes for transcriptome engineering

    Type
    Blog Post
    ...Konermann et al. Plasmids here How do Cas13d enzymes compare to other Cas13s? Like other Cas13 enzymes, the ...cleavage pattern is necessary. Konermann et al. compared CasRx to multiple RNA regulating methods: small... the clear winner with median knockdown of 96% compared to 65% for shRNA, 53% for CRISPRi, and 66-80% ...Addgene. Yan, Winston X., et al. “Cas13d Is a Compact RNA-Targeting Type VI CRISPR Effector Positively...

  8. Synthesized by Ginkgo Bioworks, Shared by Addgene: SARS-CoV-2 Plasmids for Many Expression Systems

    Type
    Blog Post
    ...available. Plasmids are continually added as they complete QC and you can find all available plasmids listed...proteins, and membrane proteins. Although all viral components are available in bacterial expression plasmids...batches of samples. As soon as that process is complete, QC scientists prepare Sanger reactions by mixing...are met, we are taking a unique hybrid approach compared to our standard pipeline. For the first ~50 plasmids...

  9. Targeted Mutagenesis with EvolvR

    Type
    Blog Post
    ...library used. EvolvR: key components The EvolvR system has two key components: the error prone PolI3M that...variants in bacteria. Read on to learn about the key components of EvolvR and its potential applications. Challenges...interest. A gRNA is used to direct the PolI3M-nCas9 complex to a DNA site of interest, which nCas9 nicks and...

  10. Hot Plasmids December 2018 - C. elegans RNAi, TurboID, Detecting Viral Outbreaks, and Protein Binding Specificity Tools

    Type
    Blog Post
    ...to physically set up in the lab, RNAi is often completely ineffective or results in low penetrant phenotypes...membranes, organelles, and other subcellular compartments is via proteomics--the study of the distribution...low-cost, cell-free detection assay that can be completed without special equipment. What’s more, detection...encodes the LacZ𝛼 protein. Once expressed, LacZ𝛼 complexes with LacZ𝜔 and forms an active LacZ tetramer....

  11. Quick Guide to Working with Drosophila Part 3: Genome Engineering in Flies

    Type
    Blog Post
    ...chromosome. Targeted Insertion allows for direct comparisons between lines expressing different variants of...chromosome your transgene has integrated. This can be accomplished with a few matings to balancer chromosome lines...into a plasmid, you can send your plasmid to a company. For a few hundred dollars, they will inject the... your strategy and the services offered by the company, you might have to map into which chromosome the...

  12. REPLACR Mutagenesis: Replacing In Vitro Recombination Methods

    Type
    Blog Post
    ...No No Yes Yes Lab Made Competent Cells Required Yes No No No Comparison of REPLACR-mutagenesis with...mutations, large deletions/insertions require complicated, often costly in vitro assembly methods. A new...-mutagenesis also requires making your own electrocompetent cells in which the phage recombination machinery...

  15. Weighing Reagents Protocol

    Type
    Protocol
    ...reagents is important to ensure the accurate composition of your solutions and buffers. Now that you have...

  16. dTAG - You're it!

    Type
    Blog Post
    ...degradation In the Bradner and Gray labs, we synthesize compounds that enable selective removal of proteins-of-interest...FKBP12F36V-tagged proteins. The dTAG molecule induces ternary complex formation between the FKBP12F36V-fusion and the... for degrading targets in different cellular compartments, and in vivo utility. dTAG molecules will be...lentiviral plasmids can serve as a rapid means of comparing functionality of N- and C-terminal fusions and...

  17. Hot Plasmids April 2018 - Protein Degradation, Nanoscopy, FIRE-Cas9, and Yeast Expression Tools

    Type
    Blog Post
    ...is dependent on proteasome function. TRIM-away compared favorably to drug inhibition, with TRIM-away targeting...larger cell populations, you can deliver these components together using electroporation. In these bulk...250 nm), and studying endocytosis is further complicated by the reliance on pH-based biosensors used to...rapid and reversible recruitment of chromatin complexes to any genomic locus in any cell type. By varying...

  18. Antibodies 101: Conjugation

    Type
    Blog Post
    ... are considering to make sure that they’ll be compatible with your instruments, each other, and your target...target. I love FPbase’s Spectra Viewer tool for comparing different fluorophores. We also touched on fluorophores... sure to check that your antibody’s buffer is compatible with your conjugation kit, since many common ...reactions. If needed, you can often remove the incompatible agents by dialysis or gel filtration.    There...

  19. Antibodies 101: Affinity Reagents

    Type
    Blog Post
    ...camelid antibodies to antibody fragments to tools completely unrelated to antibodies.  Why use an alternative...entirely new affinity reagent.    Fig. 1: A comparison of an antibody (left) to several alternative ...through engineering instead of cleavage. They are comprised of the variable heavy and light chain regions,...immunogenic, but they have lower affinity and longevity compared to antibodies, along with a higher likelihood ...

  20. RANbodies: Reporter Nanobody Fusions

    Type
    Blog Post
    ...process that’s difficult for individual labs to complete. The nanobody based RANbody platform from the ...the sample due to the smaller size of RANbodies compared to antibodies. Staining with multiple HRP-RANbodies...sample is stripped. HRP-RANbodies are, however, compatible with most multi-labeling immunohistochemical ...antigen with a primary/ labeled secondary antibody. Compatible with multi-labeling protocols when other antigens...
Showing: 481 - 500 of 939 results