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We narrowed to 577 results for: BASE

Showing: 221 - 240 of 577 results
  1. What’s in Your Tube?: A Quick Guide to Measuring DNA by Spectrophotometry

    Type
    Blog Post
    Published
    July 1, 2025, 1:15 p.m.
    ...the most popular options, so most of this post is based on reading results from a NanoDrop. The principles...calculate a sample’s nucleic acid concentration based on the sample’s absorption at 260 nm (A260). ...use a complementary assay, such as a fluorescence based assay or running an agarose gel. In the case of ...
  2. Degrading DNA with Cascade-Cas3

    Type
    Blog Post
    Published
    Feb. 11, 2025, 2:15 p.m.
    ...number of ways, from small edits that change single base pairs, to chromosomal inversions and large deletions...1 CRISPR systems make up the majority of CRISPR-based immune systems in bacteria and archaea. Class 1 ...deletions of up to hundreds or even thousands of base pairs, stopping either at boundaries defined by ...originally suspected that Cas3 moved a couple of kilobases down the strand of DNA, Cascade caught up to it...
  3. CRISPR Between the Genes: How to Experiment with Enhancers and Epigenomics

    Type
    Blog Post
    Published
    Aug. 9, 2016, 2:30 p.m.
    ... the very beginning of the third chromosome, ten base pairs in length. An emerging family of sequencing...increase the expression of a gene that is millions of base pairs away. (For details on DNA compaction and the...parsed for spCas9 PAM sites (NGG) and then filtered based on two main criteria: no TTTTT allowed (this is ...here with permission. Quilt is a collaborative database for genomics. In this article, Quilt CTO Aneesh...is CTO at Quilt Data. Quilt is a collaborative database. Aneesh's research interests span machine learning...
  4. Tips for Screening with Yeast Two Hybrid Systems

    Type
    Blog Post
    Published
    Oct. 22, 2015, 2:30 p.m.
    ...common to use many preys with a single bait in Y2H-based screens. In this way, proteins that interact with...proteome of a particular cell type, or a subset based on a cellular compartment or growth stage). A prey...protein-protein interactions in mammalian cells based on protein splicing. Anal Chem. 2001; 73:2516-2521... Including a prey-only control also provides a baseline level of reporter activation. Vary the expression...
  5. New Antibodies in the Lab Animation!

    Type
    Blog Post
    Published
    Nov. 19, 2024, 2:15 p.m.
    ...Thinking about using antibody-based applications in your experiment...but not sure where to start or ...
  6. Antibodies 101: Introduction to Antibodies

    Type
    Blog Post
    Published
    Jan. 19, 2021, 2:15 p.m.
    ...immunoglobulin genes, recombinant antibodies are plasmid-based. Their sequences can be optimized for specificity...Arbabi-Ghahroudi et al., 2017). Although they’re based on the immune system of llamas, synthetic nanobodies...mixture of proteins. The proteins are separated based on molecular weight by SDS-PAGE, and are subsequently...well as tools for developing and producing plasmid-based antibodies - and we’re always growing our collection...
  7. Optogenetics + CRISPR, Using Light to Control Genome Editing

    Type
    Blog Post
    Published
    Sept. 3, 2020, 12:15 p.m.
    ...lab at Duke University developed similar systems based on the light-inducible heterodimerizing cryptochrome...systems have been developed for use with CRISPR-based gene editing (see table below). For example, the...possibilities for optogenetic manipulation of CRISPR-based systems in animal models. Use Anti-CRISPRs to Turn...Hasegawa S, Yoshimoto K, Sato M (2017) CRISPR–Cas9-based photoactivatable transcription systems to induce..., Kawano F, Suzuki H, Sato M (2015) CRISPR-Cas9-based Photoactivatable Transcription System. Chemistry...transcription Zhou et al., 2020   NPOM-caged nucleobases Cas9, photocaged-gRNA Gene editing For more...
  8. 28 Hot Plasmid Technologies from 2015

    Type
    Blog Post
    Published
    Dec. 23, 2015, 3:30 p.m.
    ... Santalucía Lab has developed a cloning toolkit based on the Multisite Gateway® technology from Life Technologies...MultiSite Gateway Kit is a customizable Gateway®-based toolkit that allows scientists to generate fusion... Medical School has recently developed a CRISPR-based multicolor tool enabling the imaging of multiple...cancer-associated chromosome shattering. This method is based on the recognition of genomic loci by three orthogonal...does it work? RUSH is an ingenious two-state assay based on the reversible interaction between a hook protein...Neveu laboratory designed a new iterative, chaining-based cloning method that simplifies the process of constructing...presented Archaerhodopsin 3 (Arch) as a new rhodopsin based voltage indicator for use in the detection of neuronal...
  9. Genetically-encoded Sparse Cell Labeling - A SPARC of Innovation

    Type
    Blog Post
    Published
    May 21, 2020, 1:15 p.m.
    ...tools to overcome this restraint include an AAV-based sparse labeling system where a limiting amount of... truncated attP site. The three SPARC variants, based on the length of the attP site, allow for dense ...
  10. Addgene Begins Distribution of Recombinant Antibodies

    Type
    Blog Post
    Published
    March 28, 2022, 4:30 p.m.
    ... 2015). All of Addgene’s antibodies are plasmid-based and recombinant. Learn more about recombinant antibodies...affinity reagents, such as nanobodies and ScFvs, based on community demand. Figure 1: Antibody...from Addgene via our Antibody Data Hub once the database is available. This data will help the collection...
  11. Using Addgene's New Viral Service for Your Research

    Type
    Blog Post
    Published
    Nov. 17, 2016, 3:30 p.m.
    ... time, we’re developing ourselves as a knowledge base for the processes of viral production and testing...connections. Expanding the viral vector knowledge base: You can help! We’ve been expanding our viral vector...
  12. Extracurricular Activities for a Strong Science Career Path

    Type
    Blog Post
    Published
    Jan. 21, 2014, 3:08 p.m.
    ...alternative careers. Science Careers has developed a web-based, career-planning platform called the Individual ...to learn about a variety of science professions based on their skills and interests. Once scientists identify...
  13. Antibodies 101: Introduction to Immunofluorescence

    Type
    Blog Post
    Published
    Nov. 16, 2021, 2:15 p.m.
    ...found in my tissue.” It is based on the same principles as other antibody-based assays, like an ELISA or...cases, a whole organism. But, as with any antibody-based technique, validation and proper experimental design...different companies, such as Validated Antibody Database and CiteAb. The antibody you choose can make or...
  14. "Build Your Plasmid": The Game - Play to Teach

    Type
    Blog Post
    Published
    July 17, 2018, 12:23 p.m.
    ...should be in real scientific practice, so it is based on a win-win strategy. After each team presented...developed to teach gamma-retrovirus or lentivirus-based ex-vivo gene therapy’ strategies to undergraduates...
  15. In Vivo Biotinylation of Bacterial Fusion Proteins

    Type
    Blog Post
    Published
    Jan. 25, 2018, 2:09 p.m.
    ...interaction approaches that of GST-glutathione. Biotin-based immobilization for kinetic analysis Proteolytic ...bacteria. Our initial attempt to create a plasmid based on the biotin ligase BirA backbone (Eric Campeau...
  16. Viral Vectors 101: Transductions

    Type
    Blog Post
    Published
    April 30, 2024, 1:15 p.m.
    ...long-term (AAV). If you perform a lipid-based or electrical-based transfection, most of the nucleic acid...
  17. 25 Work From Home Tips for Scientists

    Type
    Blog Post
    Published
    March 19, 2020, 1:15 p.m.
    ... remotely can be more difficult if your work is based in the lab. If you’re unsure what to do during this...submitting a registered report, where peer review is based on the methods, not the results. Also consider using...
  18. Tetbow: Bright Multicolor Labeling for Neuronal Tracing

    Type
    Blog Post
    Published
    Jan. 24, 2019, 2:24 p.m.
    ...discriminating between neurons for light microscopy-based neuronal reconstruction. To achieve stochastic multicolor...conventional transgenic strategies. In such vector-based gene delivery systems, the stochastic expression...
Showing: 221 - 240 of 577 results