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We narrowed to 743 results for: TRI

Showing: 221 - 240 of 743 results

  1. Which Fluorescence Microscopy Technique is Best for Me?

    Type
    Blog Post
    Published
    Oct. 10, 2017, 1:57 p.m.
    ...This post was contributed by Doug Richardson, Director of the Harvard Center for Biological Imaging and...focus fluorescence from reaching a detector or restricting fluorescence to specific excitation volumes to...reduction in signal intensity. 2-Photon microscopes restrict excitation (and bleaching) to a single focal point...microscopy uses a number of optical and chemical ‘tricks’ to turn subsets of fluorescent molecules on and... a large axial range. 2-photon imaging, which restricts excitation and photobleaching to the focal plane...

  2. Antibodies 101: Introduction to Antibodies

    Type
    Blog Post
    Published
    Jan. 19, 2021, 2:15 p.m.
    ...cells that have been infected with a microbe, to trigger immune cascades that clear these infections. Anything...letters and be able to guess whether or not that string of letters is a part of the word you’re searching... that you want the antibody to recognize. This triggers an immune response within the animal, and its ...antibodies (i.e., immunofluorescence), or by a colorimetric reaction facilitated by an enzymatic reaction... antibodies for neuroscience research from the Trimmer lab ...

  3. Antibodies 101: Flow Cytometry

    Type
    Blog Post
    Published
    July 20, 2021, 1:15 p.m.
    ...detergents such as triton-x, saponin, or tween. Take care when using strong detergents like triton-x and tween...fluidics system they pass through a flow cell which restricts the size of the stream and forces the cells to...cell expressing low levels of the protein. The electrical system converts the fluorescence intensity to...you would need a way to determine the relative contribution of yellow and orange from FITC and that from...

  4. Bringing Sustainable Practices to the Lab: Innovations

    Type
    Blog Post
    Published
    March 7, 2019, 2:39 p.m.
    ...various grades of plastic lumber and distribute it to industrial and residential markets. Rethinking our...this, we can use the ACT label, which is an eco-nutrition label for laboratory products that emphasizes ...typically is destined for a landfill. However, Triumvirate Environmental developed Red2Green, a program ...

  5. The Michael Davidson Collection: One-Stop Shop for Fluorescent Proteins

    Type
    Blog Post
    Published
    July 29, 2014, 6:16 p.m.
    ...in the same vector backbone with very similar restriction enzymes. You can essentially cut and paste quite...mind that a very simple sequential or double restriction enzyme digest will open up possibilities exponentially...these vectors to the scientific community and contribute in a way that everyone could utilize what we ...really the one who had been very adamant that we distribute to as many researchers as we could, and Addgene...

  6. CRISPR 101: Multiplex Expression of gRNAs

    Type
    Blog Post
    Published
    Sept. 10, 2020, 11:45 a.m.
    ...the first gRNA using restriction enzyme BbsI and the second gRNA using restriction enzyme BsaI. If you’... of gRNAs Golden Gate Assembly uses Type IIS restriction enzymes, which cleave outside of their recognition...These expression vectors each contain Type IIS restriction sites flanking the promoter-gRNA construct, but...oligonucleotides. These plasmids contain Type IIS restriction sites that flank the promoter-gRNA constructs...

  7. Early Career Researcher Toolbox: Free Tools for Making Scientific Graphics

    Type
    Blog Post
    Published
    June 11, 2019, 1:16 p.m.
    ...programs either. But with a little Googling and some trial and error, I found some free design software that...number of drawing tools, so it’s harder to draw intricate figures, like a brain or a mouse. Vectr Vectr ...and digital articles where it’s easier to give attribution, than for journal publications. Google Image ...includes images that can’t be reused without attribution, despite filtering for images labeled for reuse...

  8. Addgene's a Nonprofit? Nonprofit Awareness Day 2017

    Type
    Blog Post
    Published
    June 5, 2017, 3:19 p.m.
    ...fulfill our mission by generating revenue through distribution of research materials. Our small shipping and...generate revenue (as Addgene does through materials distribution). In fact, healthy nonprofits should have some...their revenue. A nonprofit organization cannot distribute profits to private individuals through stock ...request plasmids (via web interface, processes, distribution, and customer service) Addgene provides unmatched...

  9. Understanding GPCR Signaling Using TRUPATH

    Type
    Blog Post
    Published
    Dec. 14, 2020, 2:15 p.m.
    ... al., 2020). A transducer complex consists of a trimer of three subunits: alpha, beta, and gamma (Gα, ..., Gβ, and Gγ), collectively known as a heterotrimeric G protein. This complex converts a signal received.... When inactive, these subunits are found in a trimeric complex bound to the intracellular surface of ...called BRET2. Figure 1: TRUPATH measures heterotrimeric G protein dissociation by bioluminescence resonance...

  10. Plasmids 101: What is a plasmid?

    Type
    Blog Post
    Published
    April 2, 2020, 6:17 p.m.
    ...let us know in the comments. Note:Marcy Patrick contributed to the writing of this article. ... Short segment of DNA which contains several restriction sites allowing for the easy insertion of DNA....utilize one of a variety of cloning methods (restriction enzyme, ligation independent, Gateway, Gibson...

  11. New and Upcoming Viral Vectors - Spring 2019

    Type
    Blog Post
    Published
    March 26, 2019, 1:40 p.m.
    ...! Archon1, a voltage sensor AAV Historically, electrical activity in the brain was measured with implanted...voltage reporter allows a way to monitor neuronal electrical activity through imaging. Since it’s illuminated...particular cell types. For example, the mDlx enhancer restricts expression to GABAergic interneurons. These vectors...pAAV-hSyn-EGFP *Also coming in our new 20 ul trial size! Voltage indicators Plasmid Serotype Name...

  12. What Do I Do Now? Academic v. Non-Academic Career Decisions

    Type
    Blog Post
    Published
    March 9, 2017, 3:40 p.m.
    ...training progresses.  In From Academic Solos to Industrial Symphonies, an article well worth reading on ... notice or choice Always working on a team/in a matrix - can be frustrating for solo flyers Other people...—science can be surprisingly more rigorous in industrial settings Tight (sometimes impossible) timelines—others... years—a short and exciting ride Complicated matrix structures are common Small integrated teams, ...

  13. In Vivo Biotinylation of Bacterial Fusion Proteins

    Type
    Blog Post
    Published
    Jan. 25, 2018, 2:09 p.m.
    ...This post was contributed by guest blogger Jon Backstrom, a biochemist in the Vanderbilt Eye Institute... have been immobilized on a reduced glutathione matrix. The advantage of a fusion protein is the efficient...provide a more relevant kinetic analysis, but the trick is to utilize a second immobilization method. One...available. Factor Xa loves calcium, but metal-chelate matrices, not so much. Maybe a calcium-independent proteinase...

  14. Hot Plasmids September 2018 - Optogenetics, RNA Localization, Fluorescent Protein, and Base-editing Tools

    Type
    Blog Post
    Published
    Sept. 18, 2018, 1:33 p.m.
    ...protein to regulate cell growth dynamics Article contributed by Klaus Wanisch  Listen to the optogenetics ...visualizing RNA production and localization Article contributed by Tyler Ford  Listen to the riboglow podcast...developing new FPs - the mCarmine story Article contributed by Caroline LaManna  Listen to the mCarmine podcast...base-editing and Cas9 cleavage activity Article contributed by Angela Kaczmarczyk  Listen to the base editing...

  15. Viral Vectors 101: Transductions

    Type
    Blog Post
    Published
    April 30, 2024, 1:15 p.m.
    ...The triple T’s of biology are transformations, transfections, and transductions! In this blog we will...basics but are here because you want to know the intricacies of transductions, we've got you covered there... easy. Producer cell media can be collected, centrifuged to remove any producer cells floating in it, ...long-term (AAV). If you perform a lipid-based or electrical-based transfection, most of the nucleic acid ...

  16. Plasmids 101: TOPO Cloning

    Type
    Blog Post
    Published
    Oct. 27, 2016, 2:30 p.m.
    ...cloning) is a DNA cloning method that does not use restriction enzymes or ligase, and requires no post-PCR procedures...depicted as a green cloud) functions both as a restriction endonuclease and as a ligase by cleaving and ...Design standard primers (no need to add unique restriction sites on the ends) and amplify your sequence ... confirm the presence of your insert by PCR, restriction digest, or sequencing. Pro tips Do not add 5...

  17. Advice on Career Paths and the Green Card Process for International Researchers and Entrepreneurs

    Type
    Blog Post
    Published
    Dec. 20, 2017, 2:33 p.m.
    ...This post was contributed by guest bloggers Lauren Celano of Propel Careers and Rachel Casseus, Esq. ...practice in that field. H-1B work-authorization is strictly limited to employment by the sponsoring employer...of the work of those in your field. Original contributions to the field that have had a major impact. For...of original scientific or scholarly research contributions in the field Evidence of authorship of scholarly...Addgene.org Careers at Addgene Global Plasmid Distribution ...

  18. Pushing the Limits of DNA Assembly

    Type
    Blog Post
    Published
    Sept. 6, 2017, 1:01 p.m.
    ...This post was contributed by guest blogger Lydia Morrison from New England Biolabs. What is DNA assembly...standardized DNA constructs, but its use of Type IIS restriction enzymes results in scarless assembly. Finally...allowing fragments to be taken directly from restriction enzyme digests to DNA assembly. What makes it...containing regions of homology) cut from plasmids via restriction enzyme digestion, and used directly in DNA assembly...

  19. What Good Citizenship Can Do for Reproducibility in Science

    Type
    Blog Post
    Published
    Nov. 7, 2019, 2:18 p.m.
    ...This post was contributed by Deborah Sweet, Vice President of Editorial at Cell Press. Almost everyone...Communication is the issue Much of the problem can be attributed to communication, and in particular communication...(accession numbers, reagent details, author contributions, etc.) before their paper can be published. ...across life and physical science, and editorial contribution to the strategic development of Cell Press. ...

  20. Hot Plasmids - September 2019 - CRISPR, Auxin Inducible Degradation, MerMAID Channelrhodopsins, and Genome Looping

    Type
    Blog Post
    Published
    Sept. 3, 2019, 1:15 p.m.
    ...of proteins for degradation using AID Article contributed by Alyssa Cecchetelli Auxin Inducible Degradation... of CRISPRCas9 by engineering SpCas9 Article contributed by Shreya Vedantam CRISPR/Cas9 is widely used...channelrhodopsins for the optogenetic toolbox Article contributed by Susanna Bachle Anion-conducting channelrhodopsins...31346176. Using LADL to loop with light Article contributed by Eric Perkins Mammalian genomic DNA is not ...
Showing: 221 - 240 of 743 results