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Showing: 361 - 380 of 795 results
  1. Flow Cytometry Readouts: Yes, No, and Everything in Between

    Type
    Blog Post
    .... Before you read out your plots, you’ll want to make sure you’ve also adjusted voltage and compensated...tips on adjusting voltage: During data acquisition, make sure that the signal for the positive population... dot plot in Figure 2. Quantification using MFI makes it easier to identify and study these subtle shifts...
  2. Clear and Accessible Writing

    Type
    Blog Post
    ...Addgene was built on the concept of accessibility: making plasmids more accessible to scientists around the...our very first professional development workshop, “Make a Greater Impact Using Clear and Accessible Scientific... you can submit it with your manuscript and help make your paper accessible to even more people.  Whether...
  3. Expanding the Targeting Scope and Editing Efficiency of Adenine Base Editors

    Type
    Blog Post
    ...their precision editing capabilities. Base editors make specific DNA base changes and consist of a catalytically...They may be slow, can only target certain sites, or make only a subset of base substitutions.  The need ... to the base editing toolbox, scientists can now make these edits much more efficiently and in more contexts...
  4. A Practical Approach to Choosing the B(right)est Fluorescent Protein

    Type
    Blog Post
    ...head-to-head comparison of fluorescent proteins and how to make a well-informed decision on the best fluorescent...properties of fluorescent proteins on websites. To make the best choice, the fluorescent protein properties...than the theoretical brightness. Consequently, it makes sense to identify a couple of promising fluorescent...
  5. Addgene’s Viral Service - Why Virus? Why Now?

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    Blog Post
    ... continues to make improvements to our website and inventory management systems to make way in our systems...plasmids in the repository. The Outreach Team has been making sure scientists know about the new initiative and...
  6. CRISPR 101: Non-Homologous End Joining

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    Blog Post
    ...is the fact that Cas9 can be easily programmed to make a DNA double strand break (DSB) in the genome wherever...cleaning enzymes (Aprataxin, Tdp2) that function to make ends better substrates for ligation. Although we...Cas9-generated breaks is useful if the intent is to make a knockout in your gene of interest, as it is prone...
  7. Pooled CRISPR Libraries Offer Genome-Wide Control for Large-Scale Functional Screens

    Type
    Blog Post
    ...20,000 genes, it is not possible to test each one and make sure it’s working. You can only do that screen with...system by screening for genes that, when turned on, make melanoma cells resistant to treatment with a BRAF...please ensure that you are equipped and authorized to make and use lentivirus. Also, note that due to the size...
  8. Using AAV for Neuronal Tracing

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    Blog Post
    ...and, most importantly, any connections the neurons make to other distant brain areas. It is desirable for...particles are relatively small (20 nm) in size which makes them capable of diffusing in the extracellular space...particles will infect neurons at different ratios, making these neurons fluoresce in different colors. An... Resources on the Addgene Blog Retrograde AAV: Making the journey from axon to nucleus Rabies and neuronal...
  9. 15 Hot Plasmids from 2017

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    Blog Post
    ...examples of the toolkit in action, see Cermak T, et al. 2017. Cermak T, et al. Plant Cell. 2017. PubMed ...functions and applications. We hope that these articles make it easier for you to find and use the plasmids you...that is easily separable from that of EGFP. This makes mCyRFP1 a powerful tool for use as a donor in FRET...
  10. Antibodies 101: Polyclonal Antibodies

    Type
    Blog Post
    ...end, you’ll have a better understanding of what makes polyclonal antibodies unique and what experiments...together, all the B cell clones in the immune system make different isotypes of antibodies that recognize ...other antibody formats. This low barrier to entry makes polyclonal antibodies a common reagent in many labs...
  11. Addgene: The First Twenty Years

    Type
    Blog Post
    ...and share some thoughts from the community that makes us… us. “The Addgene not-for-profit is an amazing...resource. I really appreciate the work you do to make sharing reagents and protocols so easy!” — Nina ...people knew how to access Addgene, and that we were making it possible for scientists to both deposit and ...
  12. Antibodies 101: Fab Fragments

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    Blog Post
    ...one light chain. When assembled, the four chains make a Y-shaped protein that can be divided into the ...use Fab fragments as primary antibodies, you can make your own antibody fragments as needed.  In contrast...format. Reporter-conjugated anti-IgG Fab fragments make good secondaries for cases where you need to pre-form...
  13. Celebrating 15 Years of Scientific Sharing

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    Blog Post
    ...scientists starting their own labs get excited about making their first deposit to Addgene. We are also ...cutting edge practices and benefits and these are making a difference. We serve scientists around the globe...about being able to do good in the world. We are making an impact.  {% video_player "embed_player" overrideable...
  14. Teaching an Old DOG New Tricks: Controlling Protein Activity with GFP

    Type
    Blog Post
    ... always excited when depositors find new ways to make this workhorse protein even more useful! From FPs...retain normal neuronal function, this system may make optogenetics in specific cell populations even easier...applications, including optogenetics, and they should make it much easier to conduct functional studies in ...
  15. Plasmids 101: Golden Gate Cloning

    Type
    Blog Post
    ...plasmid such as pX330. This cloning strategy not only makes it easy to create a single gRNA-expressing plasmid...clone up to 7 gRNAs into one destination vector, making multiplexing easy.  Disadvantages of Golden Gate...TAL effector-based constructs for DNA targeting. Cermak T, Doyle EL, Christian M, Wang L, Zhang Y, Schmidt...
  16. Overcoming the Challenges of Lentiviral Production

    Type
    Blog Post
    ...Requiring an additional plasmid for transfection can make these optimization experiments a bit more challenging...experimental volumes accordingly. While you may need to make some final adjustments, this is generally a good...additional resources. References Kumar M, Keller B, Makalou N, Sutton RE. Systematic determination of the packaging...
  17. Popular Retroviral Vectors and Their Uses in Scientific Research

    Type
    Blog Post
    ...vehicles for genetic information. Therefore they make excellent tools for genetic engineering. There are...vectors when used in experiments. Retroviral vectors make up a large toolbox used by researchers for (among...shRNA or miRNA. The ever expanding CRISPR field makes wide use of retroviral delivery systems, especially...
Showing: 361 - 380 of 795 results