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Showing: 621 - 640 of 1017 results
  1. Early Career Researcher Toolbox: Free Tools for Making Scientific Graphics

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    Blog Post
    ...and hide individual vectors (shapes defined by 2D points connected by lines and curves) that you’ve drawn...Layers are useful for drawing figures with lots of elements. It took some playing around to figure out all...images to the Biorender workspace. Free Biorender accounts can store 5 workspaces at a time and workspaces...resource not mentioned? Tell us about it in the comments section!  Additional resources on the Addgene...
  2. Year of the Camelid: Antibody Style

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    Blog Post
    ...forms of antibodies and had begun developing Fab fragments and scFvs. But the potential for an even smaller... they compare to other antibodies and affinity reagents. But for a quick refresher, some of the advantages...target concave epitopes Suitability for in vivo experiments, due to their simple structure    sdAbs in research... camelid mice and llamas neutralize SARS-CoV-2 variants. Nature 595:278–282. https://doi.org/10.1038/s41586...
  3. Sleeping Beauty Awakens for Genome Engineering

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    Blog Post
    ... in vertebrates. The system is comprised of 2 components: 1) an SB transposase, the enzyme required for... and modifying various extinct transposases. Improvements have been made since then by increasing the ...Zsuzsanna Izsvak’s lab screened many SB tranposase variants for hyperactivity in mammalian cells. Their efforts...inducible expression vectors were developed into 16 variants with different selection markers (blasticidin,...
  4. Addgene @ Keystone: Thoughts on Precision Genome Engineering and Synbio

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    Blog Post
    ...Bozeman Sunday night, it was easy to spot meeting participants. They were the ones holding poster tubes (or...Zhang's introduction. His willingness to share reagents so freely with the academic community has clearly...CRISPR delivery systems, modifications to the RNA components, and challenging target genomes, such as the ...who contact us and want a guarantee that their experiments will work (yes, this happens): Science is hard...
  5. Plasmids 101: Antibiotic Resistance Genes

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    Blog Post
    ...antibiotics? Antibiotics are generally defined as agents that kill bacteria, or inhibit their growth. Although...be a bit of a gray area as some bacteriostatic reagents can kill bacteria when used at high concentrations... the mutation. When designing these types of experiments it is best practice not to use the same resistance...Blue White Screening to Simplify Your Cloning Experiments See Where You Can Find Antibiotic Resistance ...
  6. Fluorescent Biosensors for Measuring Autophagic Flux

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    Blog Post
    .... In neutral environments, dimeric Keima is excited at 440 nm and in acidic environments at 586 nm. Regardless...mechanism as Rosella: GFP is quenched in acidic environments, while mRFP is relatively stable and fluorescences...18094608. Sargsyan, A., et al. "Rapid parallel measurements of macroautophagy and mitophagy in mammalian...
  7. Plasmids 101: Origin of Replication

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    Blog Post
    ...origin of replication (ori) and all of its control elements. The ori is the place where DNA replication begins...lot of your plasmid? Is the gene toxic in high amounts? It is always good to keep in mind that plasmids... medium copy numbers can still express massive amounts of protein given the proper promoter and growth...something clarified? If so please, post in the comments.  References Chatterjee A, Sun SB, Furman JL, ...
  8. Hot Plasmids June 2018 - Reverse transcriptase, nanobody, and protein-DNA interaction tools

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    Blog Post
    ...error rates compared to other RTs. MarathonRT represents a major step forward in facilitating techniques...understanding thereof have the potential to provide improvements to existing technologies based on polymerase...segment Nanobodies are single domain antibody fragments typically engineered from heavy-chain only antibodies... C-BERST (dCas9–APEX2 biotinylation at genomic elements by restricted spatial tagging), to confirm the...
  9. Using Addgene's New Viral Service for Your Research

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    Blog Post
    ...if we can help them share and distribute other reagents. Virus distribution came up time and time again...this frustration and getting researchers to the experiments they’re interested in faster by producing, titering...you out. Of course, lentiviruses are used in experiments other than just those involving CRISPR and so...first two can serve as controls in a variety of experiments, while rtTA can be used to activate expression...
  10. Comparing Cas9 to NgAgo: Can the Argonautes Best CRISPR?

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    Blog Post
    ...mammalian cells, likely due to high temperature requirements. To solve this problem, Gao et al. searched ...potential for off-target effects. In Gao et al.’s experiments, a single mismatch at any position of the DNA...using NgAgo? Let us know how it’s working in the comments section! Read About NgAgo User's First Impressions... Cas9 Homolog Cpf1 Check Out High Fidelty Cas9 Mutants Browse All Genome Engineering Posts Additional...
  11. Even more elegant: Single injection CRISPR/Cas9 in C. elegans

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    Blog Post
    ...selection strategy for their C. elegans/CRISPR experiments, but this strategy required the use of unhealthy...Other labs have used PCR-based screening to detect mutants, but this method limits screening to a few hundred...hundred worms, making the detection of rare events difficult. Dickinson et al. sought to create a new and.... This novel, rapid, and user-friendly system represents another leap forward for the CRISPR/Cas9 revolution...
  12. Advice for Moving Into Sales After Your Science Postdoc

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    Blog Post
    ...Presentation Experience”, “Career Achievements”, and “Academic Achievements”. Leaning my CV more towards me... business friendly CV that would focus on my achievements, capabilities, courses and office skills. I ...matched it with my CV and added more business-like elements. At this point you may be asking yourself, "Why...
  13. Virtual Science Conference Coming Up? Three Addgenies Share Their Experience

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    Blog Post
    ...first sent a pre-workshop questionnaire to the participants to learn about what they were looking to learn... content. In the middle of the workshop, the participants took part in a protocol drawing exercise. The...workshop also used a shared note-taking doc where participants could share their notes together. Figure...viewed publicly and stored in one place if the participants used the conference hashtag after the conference...
  14. Science Career Options

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    Blog Post
    ...When preparing to graduate from university, many students are confronted with the question ‘what now?’ This...sectors such as forensics currently have too many applicants compared to the number of available roles). Make...useful to search online job websites to see what requirements or qualifications are needed for the role, as...you get your foot in the door. Match the job's requirements to the content in your Resume and Cover Letter...
  15. Using CRISPR/Cas9 to Edit Disease Out of the Genome

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    Blog Post
    ... to treat human genetic diseases, and several treatments are currently being tested in clinical trials...recombination in cultured intestinal stem cells of patients with cystic fibrosis (8).   The difference with...correction in adult stem cells isolated from two patients with cystic fibrosis. They were able to demonstrate...Intestinal Stem Cell Organoids of Cystic Fibrosis Patients." Cell Stem Cell. 13, 653-658 (5 December 2013...
  16. What Good Citizenship Can Do for Reproducibility in Science

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    Blog Post
    ...others to see what you actually found, to providing reagents in an accessible and consistent way so other researchers...methods sections, including clear information about reagents, and why other publishers and organizations have...in their communication or making their data and reagents readily available. What if that could change? ...scientific enterprise will benefit. We’ll have fewer students and postdocs sitting frustratedly in reproducibility...
  17. Fluorescent CRISPR Reporters: SRIRACCHA and GEmCherry2

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    Blog Post
    ...activity is crucial for successful CRISPR editing experiments, there was a real need in the scientific community... in 2017 to enrich and identify desired CRISPR mutants (Wen et al., 2018). SRIRACCHA uses the Piggybac...activity and sgRNA efficiency as well as enrich for mutants through the presence of a fluorescent reporter.... best sgRNA to ensure success in your CRISPR experiments. But how? There have been several systems to ...
  18. Addgene’s Viral Service - Why Virus? Why Now?

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    Blog Post
    ... and Lentiviral preps. This new Viral Service represents Addgene’s largest new initiative since we started...self-supporting service so that Addgene is not dependent on grants. Aiming to operate under a similar model for our...in 2018, our Product Team) continues to make improvements to our website and inventory management systems... were waiting. I look forward to sharing new developments on this project and on all the interesting things...
  19. Hot Plasmids - May 2022

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    Blog Post
    ... transgenic lines that can be used for other experiments. And, while the BLITZ system was designed and...continuation of that work, they have found at least two variants that display increased neuronal expression in ...side effects, by allowing the user to select for variants that infect the CNS while selecting against those...while potentially allowing for up to 20-plex experiments with one visual barcode per cell and up to 200...
  20. Viral Vectors 101: Viral Applications

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    Blog Post
    ... how can you use these amazing tools in your experiments? Let’s unpack the myriad number of emerging viral...more! Libraries allow you to test thousands of elements simultaneously in your system instead of just ... virus to which immunity is desired. Instead, components of the virus are now delivered in other forms...features make them an ideal delivery system for human patients. Multiple viral-based gene therapies have already...
Showing: 621 - 640 of 1017 results