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Showing: 281 - 300 of 734 results
  1. Mobile-CRISPRi: Bringing CRISPRi to Diverse Bacteria

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    Blog Post
    ...methods. First, its modular design allows for customization with strain-specific promoters, antibiotic resistance...species where its modular nature allows for the customization of guides, promoters, selection markers, and...(2005): 443. PubMed PMID: 15908923. Johnson, Christopher M., and Alan D. Grossman. "Integrative and conjugative...
  2. Hot Plasmids: Winter 2025

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    Blog Post
    ...human genes and are recommended for use in immunohistochemistry (Figure 5). Anti-MAPT [AT8] specifically...Addgene Antibody Data Hub.  Figure 5: Immunohistochemistry with Addgene's Anti-APP [6E10-A5] recombinant..., Wang, W. (2024). Anti-APP [6E10-A5] in Immunohistochemistry (Human). Addgene Report, doi: https://doi.org...
  3. Viral Vectors 101: Producing Your rAAV

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    Blog Post
    ...course, you will want to make sure that your final stocks only contain rAAV. To minimize contamination, use...preparation.  rAAVs  Now your AAV virions are ready to store or use. They are quite stable and will withstand...Londono, L., Arjona, K., Parianos, M., Truong, V., Rostonics, E., Hernandez, A., Boye, S. L., Boye, S. E., ...
  4. Antibodies 101: Conventional vs Spectral Flow Cytometry

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    Blog Post
    ...spectral flow and can be thought of as a series of histograms flipped onto its side and compressed into a heat...for rare cellular markers, beads can sometimes distort the fluorescent signature upon antibody binding...: Secondary AntibodiesAntibodies 101: Buffers, Storage, and Conjugates Resources on Addgene.org Addgene's...
  5. Sharing Your Lab Protocols: Using Apps to Save Time & Track Your Experiments

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    Blog Post
    ....io beta platform for sharing, annotating, and storing life science protocols. Since we began sharing ...management and you want the works: organizing reagent storage and inventory, managing orders, tracking students... scientists workflow in mind and can offer a one-stop solution to your lab's organization and management...
  6. Tips for arabidopsis transformation

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    Blog Post
    ...using and whether you are inoculating from a frozen stock or a colony from an LB plate. In my hands, a 5 mL...culture can be used for colony PCR and glycerol stocks. Dip/drip plants more than once: Dip your plants...University. She studies cell fate maintenance in the stomatal lineage and has made countless transgenic plants...
  7. SciComm: Taking Science to Elementary and Middle Schools

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    Blog Post
    ...for a scientist. I think that establishing this history helped demonstrate that a) I was a real person ...which demonstrated to the students that scientific history was very much in the making. One of the exciting... in an exciting, tumultuous time in scientific history. Whatever your reasons, let us know how it goes...
  8. Capturing a Moment with Marc Zimmer’s “The State of Science”

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    ...biology also falls within this section. The GFP story has its own Franklin in Doug Prasher, who originally...describes the detection of gravitational waves--a story I was much less familiar with as a biologist--as... feel slightly dated by next week.   A stepping stone When I discussed The State of Science with the five...
  9. Fluorescent Proteins 101: Aptamer Fluorophores

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    Blog Post
    ...frustrating it can be to get a “bad batch”); Customizable sensitivity and detection - since they frequently...changes after target binding, aptamers are highly customizable in terms of how they actually “report” as biosensors...a higher melting temperature than its Spinach ancestors, and has a lower magnesium dependence. Though ...
  10. What's Your Organism? Expanding Genomic Tools via the NSF EDGE Program

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    Blog Post
    ...college I studied development and evolution of histone genes in Strongylocentrotus purpuratus, the spiny...Discovering ways to culture, propagate, transform, store, and share all of these new organisms continues ...promiscuous and the gene that is responsible is understood. It’s possible to actually silence this gene ...
  11. To Codon Optimize or Not: That is the Question

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    Blog Post
    ...different codons that encode 20 amino acids and three stop codons, meaning that the same amino acid can be ...codons that encodes the 20 amino acids and three stop codons. (B) Example of codon usage among different... References Athey J, Alexaki A, Osipova E, Rostovtsev A, Santana-Quintero LV, Katneni U, Simonyan V...
  12. Antibodies 101: Reading a Flow Plot

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    Blog Post
    ... Commons license.  Histograms  For analysis of a single marker, a histogram showing frequency of events... “true” signal.  Figure 8: A series of histograms from Alyamani et al., 2018, showing number of...
  13. Antibiotic Resistance: An Old Solution but a New Problem

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    Blog Post
    ...like the cold or flu) Overuse of antibiotics in livestock farming Lengthy courses of treatment with antibiotics...those bacteria that are partially resistant. If you stop a treatment early, you may be un-wittingly selecting...used in the clinical laboratory. What can we do to stop the emergence of antibiotic resistance?  The problem...
  14. Fluorescent Proteins 101: When GFP lets you down

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    Blog Post
    ...modification with fatty acyl chains. For instance, myristoylation requires an N-terminal consensus sequence (...variants and check the functionality of the fusion (Mastop, 2018). Summary GFP is an all-round useful genetically...21619590. PubMed Central PMCID: PMC3129320.  18. Mastop, Marieke, et al. "A FRET-based biosensor for measuring...
  15. Replacing Paper: Tips for Choosing an Electronic lab Notebook

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    Blog Post
    ...to capture ideas, write down certain notes or brainstorm, but we have to admit that paper-based record... and included hundreds of researchers. The full story is available here. Our questions focused on researchers...all types of data, which enables researchers to store everything in one place. From pictures to excel ...
  16. Filming Science Videos in the Age of Social Distancing

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    Blog Post
    ...a room, but still have control over focus, zoom, stop/start record, and allow me to see an image.  Remote...control some basic functions, including starting and stopping recording).  Test: It was unbelievable how well...the beating heart of Addgene. It’s why we exist, storing plasmids, and distributing them to labs that need...
  17. An Integrin Antibody Toolkit from IPI

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    ...at the Institute for Protein Innovation (IPI), a Boston-based, nonprofit protein research institute, partnered...will also work in immunoprecipitation and immunohistochemistry. Table 1: IPI antibodies  Antibody ...integrin antibodies comes from IPI’s work with the Boston Children’s Hospital and Harvard-based lab of Tim...
  18. The Advances Behind The World's First Personalized CRISPR Treatment

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    Blog Post
    ... clinical application in under a decade is an astounding feat of public investment and collaborative scientific...effective treatment. And base editing advances won’t stop here. By coincidence, KJ’s genetic sequence was ...., Correia, B. E., … Kleinstiver, B. P. (2025). Custom CRISPR-Cas9 PAM variants via scalable engineering...
  19. Easi-CRISPR: Generating Knock-In and Conditional Mouse Models

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    ...the recombined product, you’d microinject into blastocysts to be implanted in pseudopregnant female mice...s a guide that directs cleavage right before the stop codon!  Figure 3: How to design a C-terminal...guide would be selected, since it cleaves at the stop codon TAG. Design your repair template with ...
Showing: 281 - 300 of 734 results