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Showing: 401 - 420 of 800 results
  1. Antibodies 101: Isotypes

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    Blog Post
    ... IgG2, IgG3, and IgG4. IgE IgE antibodies help protect against parasites but also play a role in allergies...secretions (e.g. tears, saliva, mucus) where it protects mucosal membranes. This isotype is most commonly... using monoclonal antibodies Read about other techniques that you can use antibodies for in our Intro ...
  2. How Addgene Creates Content

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    Blog Post
    ...gaps and add to them as techniques evolve. Blog posts get out of date as techniques and knowledge changes... useful information on scientific literature, technical skills, and experiences from thousands of laboratories...
  3. Building and Validating Recombinant Antibodies: A Case Study

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    Blog Post
    ... creativity in employing a variety of cloning techniques and troubleshooting methodologies drew me to ...antibodies are commonly used in research laboratories to detect the different subclasses, but there are also secondary...use of subclass specific secondary antibodies to detect multiple targets with different mAbs in the same...
  4. Antibodies 101: ChIP

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    Blog Post
    ...biology techniques. What’s all the fuss? Well, ChIP’s complexities come not from the techniques used, but...immunoprecipitation (ChIP) is an extremely useful technique that provides insight into protein:DNA interactions...
  5. Cas13d: Small RNA-targeting CRISPR enzymes for transcriptome engineering

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    Blog Post
    ...acids in the domain). Yan et al. from Arbor Biotechnologies found that RspCas13d accessory protein RspWYL1...functional in multiple species (read Arbor Biotechnologies' press release about their Cas13d deposit here...Addgene. Learn more about research at Arbor Biotechnologies. Additional Resources on the Addgene Blog:...
  6. A Practical Approach to Choosing the B(right)est Fluorescent Protein

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    Blog Post
    ...fluorescent molecule. A higher brightness increases the detected signal and therefore high brightness is an important...brightness that does not fold well or cannot be detected in a microscopy setup has zero practical brightness...excitation wavelength, available emission filters, and detector sensitivity) and the biological system (temperature...
  7. Multiplex Genome Editing with CRISPR-Cpf1

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    Blog Post
    ...Reversing the orientation of the direct repeat protects the (+) stranded lentivirus RNA from Cpf1-mediated... is one of the latest developments in CRISPR technologies.  It’s a simple and effective method with multiple...CRISPR–Cpf1 Asing a Single crRNA Array." Nature Biotechnology 35.1 (2016): 31-34. Pubmed PMID: 27918548. 2...
  8. Pooled CRISPR Libraries Offer Genome-Wide Control for Large-Scale Functional Screens

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    Blog Post
    ...CRISPR technology has changed how scientists edit and control genes, but according to the Broad Institute's...activate essentially any gene,” she says. The technical leap from mutating and deactivating a gene or ... require access to next generation sequencing technology. These libraries are lentiviral in nature, ...
  9. Kiran Musunuru on the Newest TALEN Genome-Editing System

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    Blog Post
    ...to essentially any DNA sequence desired. This technology allows you to create a pair of designer proteins...on traditional homologous recombination. That technology had been used for decades to generate knock-out...That’s the revolutionary aspect: TALENs take a technology that was difficult for all but the most experienced...
  10. Antibodies 101: Polyclonal Antibodies

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    Blog Post
    ...experiments that require multiple antibodies that each detect a different antigen. To pre-adsorb the antibodies...section), it may be advantageous if you are trying to detect a protein in low abundance or whose conformational...Overlooked benefits of using polyclonal antibodies. BioTechniques 65:127–136. https://doi.org/10.2144/btn-2018...
  11. Antibodies 101: Selecting the Right Antibody

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    Blog Post
    ... an antibody that is directly conjugated to a detection substrate, such as a fluorophore, or a conjugated...do you know about the vendor and the vendor’s technical support? An antibody from a vendor that you use...frequently, with a responsive and knowledgeable technical support team, is a safer bet than one from a large...
  12. Hot Plasmids - March 2020 - base editors, GEVI, MoClo, and optogenetics

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    Blog Post
    ...Biomedical Engineering, 2020. PubMed PMID: 31937940. Detection of neural activity using a red fluorescent genetically...encoded voltage indicators (GEVIs) are proteins that detect and output the voltage changes in neural activity..., has increasingly been recognized for its biotechnological applications including conversion of CO2 into...
  13. CRISPR Meets Synthetic Biology: A Conversation with MIT’s Christopher Voigt

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    Blog Post
    ...it, his lab at the Massachusetts Institute of Technology has been “working on new experimental and theoretical... collision that’s taking place between CRISPR technology and synthetic biology, the tools he’s making ...all heading? Voigt: The top products out of biotechnology today are things like butanol - very simple ...
  14. CRISPR in the Clinic

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    Blog Post
    ...There can be no doubt that CRISPR/Cas9 technology has been a breakthrough for the genome-editing field... obstacles for future CRISPR therapies CRISPR technology is rapidly evolving, and many of the challenges...taken advantage of what our current delivery technologies are suited for. For example, lipid nanoparticle...
  15. Antibodies 101: Choosing the Right Isotype

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    Blog Post
    ...antibodies and found that across suppliers there was a detection bias of IgG2a > IgG2b > IgG1 (Manning 2012).  ... the anti-mouse secondary antibodies used for detection bind to non-target immunoglobulins naturally present.... Chapter 15 Postembedding Immunocytochemical Techniques for Light and Electron Microscopy. In Methods...
  16. Mouse Modeling, Part 2: Breeding and Crossing Mice

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    Blog Post
    ...of our mouse modeling blog series, we covered techniques that can be used to introduce genetic modifications...conditional knockin or knockout mice. While these techniques are each useful for introducing one modification...) and using PCR with the appropriate primers to detect your targeting vector or gene of interest. 2. Breed...
  17. CRISPR 101: Anti-CRISPR Proteins Switch Off CRISPR-Cas Systems

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    Blog Post
    ...updated Jul 23, 2020 by Jennifer Tsang. CRISPR-Cas technology is constantly evolving. Variants of Cas proteins...be engineered to “armor” therapeutic phages to protect them from pathogenic bacteria’s CRISPR-Cas system... applications: natural brakes for CRISPR-Cas technologies. Nat Methods 17:471–479 . https://doi.org/10.1038...
  18. Simple CRISPR-based Epigenetic Editing: dCas9-directed DNA Demethylation

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    Blog Post
    ...there were unusual patterns of DNA methylation detected in a human disease: cancer (Feinberg & Vogelstein...the original methylated strand is diluted to undetectable amounts: ergo, DNA demethylation! With optimization...repeat and scFv–TET1 catalytic domain fusions. Nat Biotechnol 34, 1060–1065. https://doi.org/10.1038/nbt.3658...
Showing: 401 - 420 of 800 results