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  1. Behind the scenes: Addgene’s new search engine and more

    Type
    Blog Post
    Published
    Dec. 12, 2019, 2:22 p.m.
    ...narrow down search results by adding more terms.  Weighting We determined the relative importance of different...given resource, and designed the search engine to weight search results differently according to where a...matches of a name in the depositor field will rank higher than matches of the same name in the publication...
  2. Plasmids 101: Blue-white Screening

    Type
    Blog Post
    Published
    June 4, 2015, 1:03 p.m.
    ...). As shown on the representative plate to the right, colonies with an insert-containing plasmid have... plates at 4C for few hours after the initial overnight incubation increases pigment precipitation, enhances...colonies. Take care in making your plates: X-gal is light and temperature sensitive and needs to be added ...
  3. How to Make Friends and Meet People at a Scientific Conference

    Type
    Blog Post
    Published
    Aug. 7, 2014, 1:58 p.m.
    ...interested in the same things you are on a deep level. Right away you have something in common. Namely, the scientific... field will know about grants and projects that might help your work Tenure can depend on your national...some of my best studies were designed over late night poker games at Gordon Conferences). You don’t want...
  4. Human Germline Editing Using CRISPR

    Type
    Blog Post
    Published
    Aug. 10, 2017, 2:19 p.m.
    ...zygotes at 18 hr post fertilization. They observed higher targeting efficiency than in iPSCs, but with the...scientists proceed with caution and with proper oversight from regulatory and ethics committees comprised... Check out Our New CRISPR Topic Page Read about High Fidelity CRISPR Variants Target Multiple Genes at...
  5. Antibodies 101: Conjugation

    Type
    Blog Post
    Published
    March 26, 2024, 1:15 p.m.
    ...antibodies that produce detectable signals like light or color. In this post, we’ll go over some of the...chemiluminescent reaction. Chemiluminescence, which is light produced by a chemical reaction, can be detected...Whatever the conjugate, the molecules must somehow be tightly linked to your antibody. This chemical coupling...
  6. Plasmids 101: The protein expression toolbox

    Type
    Blog Post
    Published
    Feb. 16, 2023, 7:05 p.m.
    ...working with an endogenous locus. The most straightforward way to turn off expression permanently is to...- this section is for you! Many of the tools highlighted in this section can be used to turn expression...
  7. Summer SciComm Series: Cognitive Load

    Type
    Blog Post
    Published
    June 16, 2022, 1:15 p.m.
    ... read an 11-page Cell paper - and sometimes, it might actually take me less time to read the book.  Intuitively...science communication, but the more you use, the higher cognitive load you are asking your audience to ...like the professor who once decided that to teach high school students PCR, they first had to understand...
  8. Enhancing CRISPR Targeting Specificity with eSpCas9, SpCas9-HF1, & HypaCas9

    Type
    Blog Post
    Published
    Dec. 16, 2015, 3:30 p.m.
    ...have less complementarity to the gRNA, they have a higher propensity to reform double helices and decrease...measurements to determine which portions of Cas9 might be important for nuclease specificity. They found...PMC4176945. 4. Kleinstiver, Benjamin P., et al. "High-fidelity CRISPR–Cas9 nucleases with no detectable...
  9. Teaching an Old DOG New Tricks: Controlling Protein Activity with GFP

    Type
    Blog Post
    Published
    Nov. 24, 2015, 3:30 p.m.
    ..., TdTomato was seen only in cells with GFP, at a high activation frequency of 56-93%. In the converse ...Cre-DOG lacks the toxicity that can be seen with high levels of transcription activation domains. Both...constructing split variants should be relatively straightforward, but it is also possible to create split versions...
  10. New Tool for Lineage Tracing: The ClonTracer Library

    Type
    Blog Post
    Published
    Sept. 22, 2015, 2:30 p.m.
    ...chronic myeloid leukemia. Bhang says the work highlighted the importance of developing more potent ABL1...clonal dynamics in response to cancer therapy using high-complexity barcoding." Nature medicine 21.5 (2015...
  11. Career Coaching for Scientists: Why and Where Do I Find One?

    Type
    Blog Post
    Published
    Jan. 29, 2015, 1:25 p.m.
    ...launched an online career coaching program that might make her coaching more affordable for you. There...transitioning a scientist from academia to industry, you might want to consult the Cheeky Scientist. Their motto...Successful Industry Professionals”. This larger shop might appeal to some although most scientist coaches can...
  12. Pathways Over Time Plasmids Engage Students in Functional Genomics Research

    Type
    Blog Post
    Published
    May 22, 2018, 1:38 p.m.
    ...undergraduate research questions. The idea is straightforward. Instructors first select a multi-gene pathway...O'Connor (left with Lab Director Doug Warner on the right) has taught courses in biochemistry, molecular cell...Addgene Videos to Learn about Basic Lab Techniques High School Students Explore Careers at Addgene Resources...
  13. Plasmids for Endogenous Gene Tagging in Human Cells

    Type
    Blog Post
    Published
    April 6, 2017, 1:02 p.m.
    ...understanding of cell biology. We hope that these high-quality, highly specific plasmids, as well as the instructions...flooding the cell with a plasmid containing regions of high homology to the gene with the cut, we trick the ...
  14. Nanoblades: Tiny CRISPR Ninjas for Genome Editing Difficult Cells

    Type
    Blog Post
    Published
    Sept. 26, 2019, 12:50 p.m.
    ...endogenous retrovirus Rless glycoprotein (BaEVRless) had high rates of transduction for most cell types they tested...existing CRISPR delivery technologies, Nanoblades had higher rates for editing efficiency and lower rates of...zygotes, which results in albinism in mice. Of the eight mice born from Tyr Nanoblade treated zygotes, five...
  15. Mouse Modeling, Part 1: Genetically Engineered Mice

    Type
    Blog Post
    Published
    July 11, 2019, 1:26 p.m.
    .... In the first blog post in this series, I’ll highlight terminology you should be familiar with before...the use of long single-stranded DNA have led to a higher efficiency of homologous recombination for precise...
  16. Progress Towards a PAM-Free CRISPR

    Type
    Blog Post
    Published
    March 7, 2024, 2:39 p.m.
    ...lucky" and find a great gRNA with a proximal PAM right where you need it, the odds of this occurring are...reliability. Notably, the SpRY variant didn’t display higher off-target effects than SpCas9, a pleasant surprise...stranded cleavage and base editing applications, with high editing capacity in both contexts for NRN PAMs and...
  17. Viral Vectors 101: Calcium Sensors

    Type
    Blog Post
    Published
    Aug. 10, 2023, 1 p.m.
    ...ER lumen reaches the sub-millimolar range, much higher than in the cytosol. Thus, for the ER you would...subsequent change in fluorescence only occurs at high calcium concentrations. This will reduce noise and...simultaneous (1) user-controlled illumination with violet light and (2) exposure to increased intracellular calcium...
  18. Viral Vectors 101: Chemogenetics

    Type
    Blog Post
    Published
    July 11, 2023, 1:15 p.m.
    ...recombinase systems. Picking Ligands Picking the right ligand is also important for building a chemogenetic...pharmacologically selective effector molecules (PSEMs). Higher potency means lower drug doses, which decreases... CH, Coward P, Degtyarev MY, Lee EK, Kwa AT, Hennighausen L, Bujard H, Fishman GI, Conklin BR (1999) Conditional...
  19. CRISPR in the Clinic

    Type
    Blog Post
    Published
    Nov. 2, 2023, 1:15 p.m.
    ...host) as well as the introduction of the cancer-fighting component, CAR. Clinical trials are underway to...allele specifically. Early-stage trials showed a high success rate in clearing misfolded protein levels...Regarding effectiveness, if the editing frequency isn’t high enough to make a physiological difference, then ...
Showing: 561 - 580 of 831 results