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  1. An Addgene Summer Internship

    Type
    Blog Post
    ...Scholars summer program. I was unsure whether or not I wanted to major in biochemistry. There, I had exchanged...has changed my life for the better, and I wouldn’t want it any other way. Toj Toj-Villagran is a rising ...
  2. CRISPR 101: Drug discovery and CRISPR

    Type
    Blog Post
    ...researchers to select and generate physiologically relevant models. In complex diseases, it can aid in generation... line knock-ins of patient mutations which are variants of unknown significance – mutations with unclear...
  3. Understanding GPCR Signaling Using TRUPATH

    Type
    Blog Post
    ...different cellular responses. One of the biggest advantages of such a tool is being able to identify specific...screening technique. Lastly, the activity of both antagonists and inverse-agonists could be measured using ...
  4. Viral Vectors 101: Parts of the AAV Packaging Plasmid

    Type
    Blog Post
    ...two inverted terminal repeats (ITRs); but when recombinant AAV (rAAV) is made in the lab, rep and cap are...2020) Adeno-Associated Virus Genome Interactions Important for Vector Production and Transduction. Human ...
  5. Networking and Inspiring Young Scientists at Freshers Fairs

    Type
    Blog Post
    ...chemistry degrees and provide advice to students who want to study chemistry. The society currently has 352...engaging with young scholars. We believe it’s very important to develop a network of fellow scientists that...
  6. Science Careers: Unruly Interests Feed Many Paths

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    Blog Post
    ... and data with authors and referees. And I am constantly teaching – often explaining a technical piece...focuses at Science on developmental neurobiology and plant sciences, viewed through the lens of development...
  7. New and Upcoming Viral Vectors - December 2019

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    Blog Post
    ... plasmids now packaged in AAVrg. jGCaMP7s, the variant with the most sensitive response to action potentials...to measure glutamate levels. iGluSnFR.A184S, a variant with higher affinity to glutamate, has been packaged...
  8. Hot Plasmids and Viral Preps - September 2021

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    Blog Post
    ...that produce useful natural materials, such as antibiotics. Simon Moore and Paul Freemont’s lab previously...mCherry and GFP expression to check for ABE’s. b) Quantification of base-editing efficiency using XMAS-TREE-...
  9. Intro to Our Summer SciComm Series!

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    Blog Post
    ...through manuscripts, seminars, or posters. It is important to note that it is the actual communication itself...quickly!  The question   The first, and most important question, you should ask for any science communication...
  10. Another Pathway into Cells: iTOP

    Type
    Blog Post
    ... transduction? Niels Geijsen’s group in Utrecht wanted to pursue a nonviral strategy for transducing primary...indicating a 70% frequency of biallelic mutations. Importantly, hESCs retained their stemness, indicating that...
  11. Plasmids 101: Gram Negative and Positive Bacteria

    Type
    Blog Post
    ...bacteria are permeable to different classes of antibiotics. The classification system is also useful in ...inserted into a specific bacterium, it can be important to consider the type of bacteria it is being used...
  12. Visualizing Genomic Loci with CRISPR-Sirius

    Type
    Blog Post
    ... different fluorescent protein to various Cas9 variants, SpCas9, NmCas9, and St1Cas9. These fusions localized...low-copy genomic loci or single copy genes. If you want to visualize genomic loci brightly, give CRISPR-...
  13. 25 Work From Home Tips for Scientists

    Type
    Blog Post
    ...calling this “physical distancing” since it’s important to stay virtually connected with the people in...webinars. Share your work online. Maybe you’ve always wanted to start using social media professionally but ...
  14. Pushing the Limits of DNA Assembly

    Type
    Blog Post
    ...while still creating scarless plasmid inserts.  Want to Learn More about DNA Assembly? Check Out Our ...polymerase used in the amplification. This tool allows instant updates as fragments are added, deleted, or reordered...
  15. Addgene Welcomes John Doench to the Advisory Board

    Type
    Blog Post
    ...his love for science and later realizing that he wanted to continue doing research, Doench went on to apply...regulatory process. This early research is still relevant to his work at the Broad Institute today, where...
  16. New and Upcoming Viral Vectors - May 2020

    Type
    Blog Post
    ...tools for light mediated neuronal control. The advantages of optogenetics lie in the spatiotemporal control...recombination of lox sites. This system takes advantage of the extensive supply of transgenic reporter...
  17. CRISPRainbow and Genome Visualization

    Type
    Blog Post
    ...similar to that of a comparable FISH method. Importantly, they did not observe labeling when a. no gRNA... other orthologs. Ma et al. tested their dCas9 variants using gRNAs specific for telomeric sequences and...
  18. Celebrating 15 Years of Scientific Sharing

    Type
    Blog Post
    ...journals like Nature and in mainstream media like The Atlantic. We’ve been in documentaries in 3 languages (Japanese...with flying colors. While of course always being vigilant about resources, I’m not worried about the stewardship...
  19. Summer SciComm Series: Cognitive Load

    Type
    Blog Post
    ...for your audience. I ask myself that question constantly (and so should you!)  Amount of information and... too little)?  The answer is: it depends! The important point here is to pay attention to exactly what...
  20. Lighting Up Cell Signaling with Photoswitchable Kinases

    Type
    Blog Post
    ...all-optical psMEK1 + ERK KTR-mRuby2 system has several advantages over existing methods. First, it avoids activating...protein of interest. If you plan to try this, it’s important to check that the function of the protein and ...
  21. Developing Lab Management Software for Biology

    Type
    Blog Post
    ...of said containers, think carefully about how you want your software to treat those encoded numbers. Loosely...being treated in the lab, because of this, it is important to write loosely coupled, modular code. Use tried-and-true...
  22. Popular Retroviral Vectors and Their Uses in Scientific Research

    Type
    Blog Post
    ...lentiCRISPR v1. Special note from the Zhang lab: We are constantly improving our CRISPR reagents. Please check www.genome-engineering.org...ecotropic or amphotropic MuLE lentivirus provides significant genetic power and allows high throughput genetic...
  23. Fluorescent Tagging of Endogenous Genes with SapTrap

    Type
    Blog Post
    ... perform high-throughput experiments. If a user wants to carry out a high-throughput genetic screen, it...scarless tag insertion.   In addition to the obvious advantages SapTrap offers for tagging a single genetic locus...
  24. Anatomy of a Plasmid Page at Addgene

    Type
    Blog Post
    ...plasmid page (discussed below). Great! Now, if I want to use this plasmid in a publication, how do I know...the plasmid is shipped. Copy number (if known), antibiotic resistance, and optimal growth temperature are...
  25. Twenty Years of Sharing: Expanding Accessibility

    Type
    Blog Post
    ...and the distances the packages needed to travel meant the accessibility varied country to country.   Figure...to identify and reduce barriers for scientists wanting to share their tools with Addgene.  In our next...
  26. DNA Quantification

    Type
    Protocol
    ... Protocols DNA Quantification DNA Quantification You may also like... Addgene’s DNA Quantification Protocol. Protocols... different stages of molecular cloning, it is important to get a quick and accurate reading of DNA concentration...the NanoDrop, if two consecutive samples have significantly different concentrations, it is possible that...between samples if they are expected to vary significantly in concentration. DNA dissolved in water is ...
  27. How to Deposit Your Plasmids with Addgene

    Type
    Blog Post
    ... grown using standard conditions (37 °C, LB, antibiotics, etc.) and stored as glycerol stocks We will...and alternative name boxes as needed. Use the "Relevant mutations/deletions" box to describe any mutations...
  28. Protocol - Over-Agar Antibiotic Plating

    Type
    Protocol
    ...adapted for any antibiotic through the use of a selection curve to determine optimal antibiotic concentration...Learn how to add antibiotic to a plate after it's already been poured and solidified. Protocols...Streaking Bacteria on LB Agar Plate Over-Agar Antibiotic Plating You may also like... Making LB Agar Plates...This protocol describes methodology for plating antibiotic over-agar for the selection of transformed E....E. coli . Over-agar spreading of antibiotic makes it easy for an investigator to conveniently plate and... does not need to prepare separate batches of antibiotic-containing agar. This protocol will focus specifically...the protocol video below to learn how to spread antibiotic over-agar. Equipment Pipette tips for both pipetting...
  29. Antibody Validation Using the Indirect ELISA Method

    Type
    Protocol
    ...software Reagents Purified antigen Purified recombinant antibody Isotype control antibody HRP-conjugated isotype-specific...Collection Antibody Blog Posts Antibodies 101: ELISA Antibodies 101: The Four ELISAs and When to Use Them...Immunocytochemistry Protocol Recombinant Antibody Purification Protocol Antibody Guide Introduction This protocol...Day 1: Antigen Coating Day 2: Blocking Day 3: Primary antibody incubation Day 4: Secondary antibody incubation...primary antibody and an isotype control antibody to the desired concentrations in the antibody dilution... with Anti-Desmin [D7]. Plates were incubated with HRP-linked anti-Human IgG secondary antibody for 2 ... a purified antigen to demonstrate the expected antibody dose response. Protocols...
  30. Plasmids 101 eBook 4th Edition

    Type
    Blog Post
    ...don't have to take our word for it!  “When people want to learn about plasmids, they don’t go to Wikipedia...
  31. Beginner's Guide to Viral Vectors

    Type
    Blog Post
    ...Addgenie Leila Haery has summed up some of the most important characteristics of retroviruses, lentiviruses,...
  32. Introducing...Addgene Quick Tips!

    Type
    Blog Post
    ...all published videos in our Quick Tips playlist:  Want your quick tips even quicker? We’ll be sharing our...
  33. 'Tis the Season to #DeckTheLab

    Type
    Blog Post
    ...sweaters, Flannel Fridays, Festivus— you name it, we want to see it! All photos tagged with #DeckTheLab throughout...
Showing: 901 - 950 of 1080 results