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We narrowed to 587 results for: cel.2;

Showing: 311 - 320 of 587 results
  1. Choosing the B(right)est Fluorescent Protein: Photostability

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    Blog Post
    ...linear fashion. This implies that reducing the power 2-fold does not reduce photobleaching by half. How exactly...prolonged time). Other illumination strategies, such as 2-photon-excitation, selective plane illumination, TIRF...intensity evolves over time in living cells at a power used for live-cell imaging. To conclude, the most photostable...molecule will photobleach at some point. For live-cell imaging, it is desirable to have fluorescent proteins...experiment. The best fluorescent proteins for live cell imaging can be excited many times, thereby producing...these factors, environmental conditions such as cellular redox state and oxygen concentration may affect...protein is a key requirement for quantitative live-cell imaging, it is important to be able to quantify ...
  2. GPCRs: How Do They Work and How Do We Study Them?

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    Blog Post
    ...plasmid kit consists of 20 plasmids encoding 14 alpha, 2 beta, and 4 gamma subunits of the heterotrimeric G...activation via bioluminescence resonance energy transfer 2 (BRET2). Check out our blog post on GPCR signaling...with heterotrimeric G proteins on the intracellular side of the cell membrane. Heterotrimeric G proteins...induce or inhibit intracellular signaling cascades as a response to the extracellular stimuli. Ligand dissociation...Peroxidase-Catalyzed Proximity Labeling. Cell 169:338-349.e11 . https://doi.org/10.1016/j.cell.2017.03.028 Roth BL (2016...to the seven alpha helices that transverse the cellular membrane. The receptor recognizes the appropriate...signaling is initiated when a ligand binds to the extracellular surface of the GPCR. This results in a conformational...
  3. Uncertainty about Labor Law Brings More Uncertainty to Postdoc Wages

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    Blog Post
    ...increase have had that increase cancelled. Rounding out the remainder, 2% of postdocs who weren’t going...continuing with their plans, and 17 have cancelled their plans. 2 of those raising - the University of Illinois...level, in the case of some public institutions) to cancel plans to raise salaries. What are institutions ...Illinois and the University of Michigan - initially cancelled their plans, but have since reversed their position...announced that they were reversing their plans to cancel raises). A further 9 institutions, whose plans ... In addition, PIs at some of the institutions cancelling plans are going ahead with raises anyway, including...injunction, as we started to hear of institutions cancelling plans to raise salaries, the only postdocs we...
  4. CRISPR 101: Cas9 vs. The Other Cas(s)

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    ...endonuclease of a class 2 CRISPR-Cas system. Cell, 163(3): 759-771 (2015). 10.1016/j.cell.2015.09.038 Harrington...and Cas13 are 1). non-specific RNA cleavage and 2). cell toxicity. Cas7-11 does not display collateral ... Stem Cells Using Type I CRISPR-Cas. Molecular Cell, 74(5): 936-950.e5 (2019). 10.1016/j.molcel.2019.03.014...cleavage and is significantly less toxic to mammalian cells than Cas13 (likely due to the lack of collateral...
  5. Will You Be My Mentor? Finding and Asking for Mentoring Support

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    Blog Post
    ...article in the Addgene Blog Mentoring series will cover 2 of the 7 mentoring questions I set out to answer. ...101-Building Relationships for Success”. Choose 1-2 tactics to try. One of my favorites is making the ...Healthcare Businesswomen’s Association hosts an excellent group mentoring program in many of its chapters...
  6. Quick Guide to All Things Lentivirus

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    Blog Post
    ...PMC367857. 2. Naldini, Luigi, et al. "In vivo gene delivery and stable transduction of nondividing cells by a..., and the desired gene (transfer vector plasmid), 2) the HIV-1 genome containing all viral genes with ...protocols that have been described (protocol 1, protocol 2, protocol 3) to find the one that will give you the...-dividing cells. The ability to infect non-dividing cells is not restricted to in vitro cell culture as...target cells. If you are transducing non-adherent cells you might need to centrifuge your cells with the...favourite gene into your favourite cell line or into primary cells, this blog article will give you some...infect both dividing and non-dividing cells, including stem cells. These properties make lentiviral vectors...
  7. Antibodies 101: Conjugation

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    Blog Post
    ...residues, which can be found throughout the antibody. 2) Endogenous cysteines, such as those that make up ...Detecting antigens by quantitative immuno-PCR. Nat Protoc 2:1918–1930. https://doi.org/10.1038/nprot.2007.267 ...and Protein Modifications in Cells and Tissues in Situ. Curr Protoc Cell Biol 89:e115. https://doi.org... like proximity ligation, immuno-PCR, and single-cell applications (Hegazy, et al., 2020; Niemeyer, et...epitope and transcriptome measurement in single cells. Nat Methods 14:865–868. https://doi.org/10.1038...
  8. Plasmids 101: Using Transposons in the Lab

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    Blog Post
    ...somewhere else (Fig. 2). Class II TEs have LTRs on both of their ends.    Figure 2: Overview of DNA...has four major components: 1) a CRISPR RNA (crRNA), 2) four proteins (TniQ, Cas8, Cas7, Cas6) that forms... yeast, plant, insect, and mammalian cells, including human cells. piggyBac is biased to integrate at ...is active in vertebrates and integrates in human cells at rates similar to retroviral vectors. The hyperactive...piggyBac has an integration efficiency in human cells similar to retroviral vectors. The hyperactive PB...transposase (hyPB) is ~10-fold more active in mammalian cells compared to the codon-optimized wild-type piggyBac...G/C)TNA. Tol2 can deliver 10-11 kB to mammalian cells without decreased efficiency, with a maximum cargo...
  9. Antibodies 101: Conventional vs Spectral Flow Cytometry

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    Blog Post
    ...from another within a fully stained sample. Figure 2 is an example of the emission spectra for two fluorophores...another during spectral unmixing.     Figure 2: The full emission spectra for BV421 and BV711 on ...co-expression among cellular markers You’ll also need to know if markers are co-expressed in your cells when designing...immunologists, allowing for the rapid analysis of cell populations within a heterogenous tissue type, such...methods, the identification and isolation of rare cell types. In recent years, full spectrum flow cytometry...detector to detect one fluorophore and therefore one cellular marker. However, emission spectra of certain fluorophores...Spectral flow allows for autofluorescence extraction Cells produce a low level of fluorescence called autofluorescence...
Showing: 311 - 320 of 587 results