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Showing: 361 - 380 of 857 results
  1. Getting the Most from Your Lentiviral Transduction

    Type
    Blog Post
    ...while freeze thaw is generally not recommended, Holic et al. found that lentivirus produced at pH 6 are... freshly collected lentivirus for downstream applications. While this ensures that the highest titer virus...establishes the best conditions for specific applications, stick with them! Changes in such variables ... 4.4 (2009): 495-505. PubMed PMID: 19300443. 7. Holic, N., Seye, A.K., Majdoul, S., Martin, S., Merten...lentiviral vector titration and in the use of multiplicity of infection (MOI) for predicting gene transfer...
  2. Antibodies 101: Reading a Flow Plot

    Type
    Blog Post
    ...identify mDCs and pDCs. Used under Creative Commons license.    In the third plot, anti-CD14 and anti-HLA-DR...different populations. Used under Creative Commons license.    Pro tip! Subtypes of immune cells are often...cells in each gate. Used under Creative Commons license.    Contour plots  FACS data can also be presented...Jhunjhunwala et al., 2015. Used under Creative Commons license.  Histograms  For analysis of a single marker...a flow experiment. Used under Creative Commons license.    Of course, there are many more things to...
  3. Important Considerations in Optogenetics Behavioral Experiments

    Type
    Blog Post
    ...EthoVision. Consult the literature to find all the applications of optogenetics relevant to your field. Ultimately...Inhibition of neuronal activation is a little more complicated since basal neuronal activity in your brain region...steps and technical considerations are directly applicable to the rat [6]. Technical differences include...rat lines: tools, techniques, and optogenetic application to dopamine-mediated reinforcement." Neuron 72.5...sensitivity optical neural silencer: development and application to optogenetic control of non-human primate cortex...
  4. The Fluorescent Vegetables in Aptamer Soup

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    Blog Post
    ...live cell imaging of second messengers cyclic di-GMP and cyclic AMP-GMP." Journal of the American Chemical...aptamer soup by exploring the development and applications of fluorescent RNA aptamers in Addgene’s collection...et al., 2017) and levels of the second messenger cyclic di-AMP in Gram-positive bacteria (Kellenberger ...fluorescent rna aptamer spinach2 for imaging of replication and immune-mediated changes in intracellular ...
  5. Site Directed Mutagenesis by PCR

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    Blog Post
    ...multimerization of the PCR primers can cause duplication of the primer sequence in the resulting plasmid...proximal to the target site, can identify these duplications (slightly larger bands sizes relative to the...percentage agarose gel (~3%). Note that primer duplication will evade detection in the initial RFLP analysis...because the introduced restriction site is also duplicated. Validating your mutagenized plasmids Once constructs...identified (and confirmed to be free of primer duplications), final validation is performed by sequencing...
  6. CRISPR 101: Validating Your Genome Edit

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    Blog Post
    ...flanking the editing site on either side of the amplicon. Based on the frequency of out-of-frame edits...deleted accordingly. Pro tip: make sure your PCR amplicon isn’t too large so that you can easily visualize...sequencing confirmation. All knock-ins A method applicable to knock-ins both large and small is a software...expect off target editing to occur. Luckily, in silico prediction analyses like CRISPRitz or CRISPOR can...CRISPRitz: rapid, high-throughput and variant-aware in silico off-target site identification for CRISPR genome...
  7. Antibodies 101: Introduction to Immunofluorescence

    Type
    Blog Post
    ...immunofluorescence? Generally speaking, IF is an application in which antibodies that have been joined to ...distribute antibodies validate them in a variety of applications, including IF (or IHC or ICC), and will share...will share their findings either through their publications or as a review on a company website. It is important...Resources on the Addgene blog Learn about research applications of antibodies in Introduction to Antibodies ... for Me? Read about another common antibody application in The Basics of Western Blotting Resources ...
  8. Treating Muscular Dystrophy with CRISPR Gene Editing

    Type
    Blog Post
    ...approach may also be applicable to a number of rare genetic diseases caused by splicing defects, including...estimated that exon skipping therapies would be applicable to 80% of DMD patients. Figure 1: Exon...from Osterout et al. (2015b) under a CC-BY 4.0 license. Long et al., Nelson et al., and Tabebordbar...Exon-skipping antisense oligonucleotides to correct missplicing in neurogenetic diseases. Nucleic Acid Ther. ...
  9. Thoughts on the Future of Research 2015 Boston Symposium

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    Blog Post
    ... for PhDs or postdocs. Having this information publicly available may realign trainee expectations with...Publishing Panel brought in editors from a variety of publications as well as young PIs and all gave advice on ...blogging, write reviews, or write for a university publication, improving your general writing skills will help...cognizant of this during my PhD. Submitting a publication doesn’t have to be like throwing it into a black...Science The Future of Research Website Additional Publications of Interest Can Be Found Here Resources at ...
  10. Antibodies 101: Multiplex Immunofluorescence

    Type
    Blog Post
    ...adapted from Andrews et al., 2019 under CC-BY 4.0 license.   Selecting your antibodies When selecting...primary antibodies that have been validated in IF applications (find IHC validated or ICC validated antibodies...978-1-4939-8935-5_26 Jambor, H., Antonietti, A., Alicea, B., Audisio, T. L., Auer, S., Bhardwaj, V., Burgess...informative image-based figures for scientific publications. PLOS Biology, 19(3), e3001161. https://doi....Immunocytochemistry Protocols for other antibody applications...
  11. Activate Addgene's "Find Plasmids" Badge on Pubmed Abstracts

    Type
    Blog Post
    ...within that article you’ll find new plasmids. Simply click on the badge to be taken directly to the plasmids...account on PubMed. Once you have an account, simply click on your account name in the top right corner of ...PubMed to navigate to your account settings. Next, click on the link in the “NCBI Site Preferences” box. ...Preferences page, navigate to “PubMed Preferences” and click on the “Filters & Icons” link (see image to the ...
  12. Tips for a 1st Time CRISPR User (by a 1st Time CRISPR User)

    Type
    Blog Post
    ... wanted to inactivate the gene BRAF (a kinase implicated in several human cancers) in A549 cells (a human... Cas9 expressing lentivirus at the indicated multiplicity of infection (MOI). Anti-vinculin Western blotting...need to use FACS (like they did in the original publication). I thought I could see GFP expression with a...expression, but I didn’t. 2. In the original publication they see GFP expression in about 20% of their...an MOI of 0.3, as recommended by the original publication. Pro-Tip: 1. Use multiple gRNAs to target different...
  13. Inntags: Innovative Protein Epitope Tagging

    Type
    Blog Post
    ...immunoprecipitation applications, but none of the traditional tags were suitable for both applications. To prove...These tags are easy to use in multiple common applications. Due to their limited effects on native protein...particularly in single-molecule or high-throughput applications. Perhaps IT5 and IT6 will even replace our older...
  14. Seeing Red: Simple GFP Photoconversion

    Type
    Blog Post
    ...Since the first research applications of GFP were published in the 1990s, biologists have spent a lot... Sattarzadeh et al., Sci Rep. 2015 CC BY 4.0 Applications and limitations of GFP photoconversion One concern...2):131-3.  PubMed. Find plasmids from this publication at Addgene. Subach OM, Patterson GH, Ting LM...nmeth.1664. PubMed. Find plasmids from this publication at Addgene.   Addgene’s Fluorescent Protein...
  15. Scientific Sharing in the Time of COVID-19: Databases and Resources

    Type
    Blog Post
    ...funding and volunteer opportunities, protocols, publications, and more to accelerate the pace of research...is based in Canada, much of the information is applicable to researchers worldwide. “COVID-19 has spread...advance COVID-19 research to hopefully help guide policies and ultimately treatments in a timely fashion.... a significant impact on both clinical care and public health for this current COVID-19 pandemic, and ...
  16. Working 9-5: an Addgene Co-op

    Type
    Blog Post
    ... QC/QA team as a DNA Sequencing Intern. The application process When I first saw the comprehensive job...immediately clear that Addgene wanted to ensure applicants understood what the expectations were for the...the intended position. After submitting my application, I was contacted to participate in a brief fifteen...the depositing labs intended. With the use of applications like SnapGene and Geneious, I was able to determine...
  17. SunTag and Fluorescent Imaging

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    Blog Post
    ...modified the GCN4 sequence to increase its alpha-helical structure and stability, creating v4 SunTag. Since...aggregation, it’s recommended for most imaging applications. What can you do with SunTag? Tanenbaum et al...flames,” it’s clear that the system is broadly applicable across many areas of research. Beyond fluorescence...activation of target genes, but we’ll save that application for another day! References 1. Tanenbaum, Marvin...
  18. Tips for Improving Your Next Manuscript

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    Blog Post
    ...simply writing down your data doesn’t guarantee a publication. There is an art to composing manuscripts and...field of microbiology with multiple high-profile publications. My classmates consisted of graduate students...well as being critiqued added an extra level of application not present in the online class.   Four ways ...paper will be generated. After you complete a publication quality figure, produce the figure, its legend...
  19. Sensing Neuronal Dopamine

    Type
    Blog Post
    ...experiments The Tian lab used dLight1 both in brain slices and freely behaving mice to gather the following...and concentration of released DA in mouse brain slices Visualization of DA release dynamics during locomotion...GRABDA in drosophila, zebrafish, and mouse brain slices and freely moving mice to gather the following ...from a single dopaminergic fiber in mouse brain slices Demonstrate DA detection in a single neuron in ...
Showing: 361 - 380 of 857 results