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Showing: 661 - 690 of 1014 results
  1. Tips for Titering Your Lentiviral Preps

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    Blog Post
    ...Our Lentivirus FAQ Learn How Lentivirus is Used in CRISPR Genome-Wide Screening Learn How Lentivirus Has...Lineage Tracing Additional Resources on Addgene.org Learn How We Do Viral Production at Addgene Read Our Lentiviral...
  2. Reaching out to China: Canton Nucleic Acids Forum (CNAF) 2015

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    Blog Post
    ...Having never been to China myself, I was pleased to be able to participate when the organizers of the...dozens of different mushroom varieties alone. At least I could tell that they were mushrooms. In some cases...Medicine Initiative and how this initiative will lead to advances in human health. It was inspiring to...
  3. The Materials Science of Optogenetics Experiments

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    Blog Post
    ...preparation of the fiber optics is probably the least difficult portion of optogenetics (though it does...polishing. Efficiency of the implant should be at least 85% of the initial laser output. The same considerations...University.  His interests include the role of learning and memory in opioid addiction and science communication...
  4. Story of a SynBio Startup: RevBio's Epiphany (or Lack Thereof)

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    Blog Post
    ...account, business cards, incorporation, laboratory lease, etc. I still flip to that page in my lab notebook... into executing a successful business that the learning curve is pretty steep. But we can rely on one ... about this transition (so far) and what we’ve learned.  Thank you to our guest bloggers! Nikolai Braun...
  5. Troubleshooting and Optimizing a Western Blot

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    Blog Post
    ... are nuclear- or DNA-binding proteins, you may need to sonicate your lysates in order to release the proteins...ladder on your gel and keep an eye on it and the leading line (dye front) visible in the sample buffer. ...stripping and reprobing. Just make sure to go from least to most abundant protein if you’re stripping, since...
  6. Plasmids 101: Protein Expression

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    Blog Post
    ... Resources on the Addgene Blog Learn about inducible promoters Learn about repressible promoters Check...the addition of post-translational modifications Learn more molecular biology in our Plasmids 101 eBook...
  7. Tips to Make the Most of a Scientific Conference

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    Blog Post
    ...conference If there’s a cool new method that you learned about at the talk, bring it to your next lab meeting...fruitful. After the conference Bring back what you’ve learned from the poster session to your lab. Perhaps some...scientific communication, and scientific networking Learn how to set up and informational interview and Expand...
  8. Pooled Library Amplifications

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    Blog Post
    ...pooled library with Addgene, you may be surprised to learn that we ask for an amplification protocol with your... repeated amplifications of pooled libraries can lead to issues such as recombination and loss of plasmid...Barcode Watermelon Library 5,000,000 30 bp At least 200 ng Liquid Electroporation Protocol (DOCX...
  9. Fluorescent Proteins 101: Visualizing Subcellular Structures & Organelles

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    Blog Post
    ...FPs to highlight various subcellular structures. Please see Figure 1 for commonly used markers for major...setup for a different fluorescent signal) and photobleaching i.e. FP stability. One should also be aware...Microscopy. Additional Resources on the Addgene Blog Learn More about Plasmids for Endogenous Gene Tagging ...
  10. Tips for arabidopsis transformation

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    Blog Post
    ...fantastic model organism for many reasons, not the least of which is ease of transformation. There are many...finding true transformants more difficult. Don’t leave your plants on selective plates for too long: even...recovered from the stress of selection you can clip a leaf and extract genomic DNA for genotyping. This won...
  11. New Optimized Genome-wide CRISPRko, CRISPRi, and CRISPRa Libraries

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    Blog Post
    ...commonly result in a complete loss of function while nuclease-deactivated Cas9 (dCas9) can be tethered to a ...which contains multiple point mutations in the nuclease domain. These mutations result in an inactive ...about CRISPR Kinome Libraries available at Addgene Learn about the advantages of pooled CRISPR libraries ...
  12. Negative Can Be Positive: Open AAV Data with Addgene

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    Blog Post
    ... in the primary literature, and as a result can leave scientists under-informed with respect to how different...the year, those that meet our minimum standards (clear and detailed methods and image descriptions, a minimum...computer files. If you asked your team members or colleagues: How much unpublished AAV data do you have sitting...
  13. Your Lentiviral Plasmid FAQs Answered

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    Blog Post
    ...retroviruses. Lentiviruses are able to enter an intact nuclear membrane allowing them to infect both dividing ...Third-generation plasmids can be packaged with either system. Please note that the generation used to package the virus...Addgene Blog: Download our eBook: Plasmids 101 Learn about genome-wide screening with CRISPR and Lentivirus...
  14. Transferable Skills Guide: Career Planning Resources

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    Blog Post
    ...this gap by both highlighting that researchers do learn MANY transferable skills while working in the lab...to live in your lab, right? Wrong! While it is clearly a good idea to be diligent in your research, remember...career center. Alternatively, it might even be a colleague. A mentor does not necessarily need to be someone...
  15. Advancing Biology with Zebrafish: Genetic Tools for Developmental Studies and More

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    Blog Post
    ...been demonstrated in zebrafish using zinc-finger nucleases, TALENs, and more recently CRISPR/Cas9. Another...zebrafish zygote transforms into an organism with a clearly established body plan including head, eyes, and... tracked in whole brains of swimming, actively learning larvae, providing unprecedented views into cognitive...
  16. Binning Singletons: Tackling Conference Networking When You Don’t Know Anyone

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    Blog Post
    ...subsequently changed fields and my cohort of friends and colleagues had moved on as well, so I knew very few people...people, it was certainly an issue worth addressing. Clear expectations have been established for future participants... after our initial pilot, and look to take some leaps. Binning Singletons is its own organization, working...
  17. Bioinformatics at Addgene

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    Blog Post
    ...much trial and error to learn the scripting language, but our path forward was clear: to build one process...assembly algorithms meant that we already had a clear idea of the necessary steps to perform:    ...
  18. Plasmids 101: Gateway Cloning

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    Blog Post
    ... variety of expression systems. Keep reading to learn more about the Gateway cloning method and its advantages...conditions, the attL and attR sites can recombine, leading to the excision of the phage from the bacterial...Resources on the Addgene Blog Try Out FastCloning Learn About Methylation and Restriction Enzymes Use Colony...
  19. Mesothelioma - Causes, Symptoms, and Treatment

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    Blog Post
    ...contributed by the Mesothelioma Cancer Alliance. We have learned much about the causes of cancer and the different...nucleus, if the cell dies from injury, this protein leaks out into the cytoplasm, migrates out of the cell...About Cancer and Addgene's Cancer Collection Pages Learn How the ClonTracer Library Can be Used to Study ...
  20. Getting the Most from Your Lentiviral Transduction

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    Blog Post
    ...for Titering Your Lentivirus Learn All About Viral Vector Elements Learn How to Do Genome-Wide Screens... target cells. Poor tissue culture practices can lead to low titers and poor transductions. Cell lines...
  21. Plasmids 101: E. coli Strains for Protein Expression

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    Blog Post
    ..., using up valuable resources in the cell thus leading to slowed growth. Additionally, some protein products...well for most experiments, the lac promoter can “leak,” meaning that a low level of expression exists ...your favorite protein expression tips and tricks! Leave a comment below or browse Addgene’s collection of...
  22. Viral Vectors 101: AAV Variables That Matter

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    Blog Post
    ...very high titers (Zingg et al., 2017), which can lead to cells in far away brain regions expressing your...experiment. Some inducible constructs can exhibit leaky expression in the absence of the inducing drug, ... result in overexpression of your gene and could lead to toxicity or trouble interpreting your results...
  23. Deep Dive: qPCR

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    Blog Post
    ...temperature 5-10 degrees above the primer and be at least 25 bp away from each primer, ideally located close...suitable for your cell lines and/or tissue types.  Please do note my oh-so-subtle use of reference genes,...can be used up quickly by abundant transcripts, leading to falsely lowered levels for less abundant transcripts...
  24. The 12 Days of CRISPR

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    Blog Post
    ...me: Drag-and-drop genome insertion, without DNA cleavage, with CRISPR-directed integrases🎵 On the 6th ...Addgene gave to me: dCas9-based gene editing for cleavage-free genomic knock-in of long sequences🎵On the...
  25. New Videos: Addgene Lab Tips

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    Blog Post
    ...this series, we’ll highlight one tip that we’ve learned in the lab that will hopefully make your life a...be able to locate materials quickly and easily. Learn more about using barcodes. Check out our “Lab...
Showing: 661 - 690 of 1014 results