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Showing: 541 - 560 of 958 results
  1. Antibodies 101: Selecting the Right Antibody

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    Blog Post
    ...you can easily distinguish each different type of antibody and therefore each target protein. This can ...fluorophore-conjugated secondary antibodies specific to each isotype or species to easily discern the proteins...
  2. Antibodies 101: Fab Fragments

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    Blog Post
    ...identical heavy chains and two identical light chains) each with a constant region and a variable region. The...regions, both through genetic and proteolytic approaches. This comes in handy when, for example, you want...product is a mini-Y with both Fab regions still attached to one another. Size: ~110 kDa. Fab' - These fragments...
  3. Viral Vectors 101: An Introduction to AAV

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    Blog Post
    ...rates for AAVs are generally high enough for this approach to work, although it’s less effective in vivo ... of its biggest advantages. Specificity can be achieved using specialized promoters, Flp or Cre dependent...expression AAVs have to infect cells, hijack host cell machinery, and synthesize a second strand of DNA before ...
  4. Plasmids 101: The protein expression toolbox

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    Blog Post
    ...introduced gene or over the native locus? Let’s explore each of the options together. Turn it off Turn it off...inducible expression (more on this below) will both achieve temporary repression of protein expression. Addgene...flavors of activators which can be used with this approach - read more about them on our CRISPRa blog! ...
  5. Visualizing Protein Turnover In Situ

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    Blog Post
    ...protein turnover in situ in neurons. The classic approach for studying protein turnover is radioactive pulse-chase...immunocytochemistry is perhaps the most common approach. With a good and specific antibody and the proper...the proteins of interest are in close proximity to each other can the DNA strands take part in rolling circle...
  6. Plasmids 101: CcdB - The Toxic Key to Efficient Cloning

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    Blog Post
    ...several methodologies currently available for approaching it. These include the traditional restriction...cloning technologies, as well as several others. Each method is unique and relies on specific components...   Figure 2: Image from http://teachline.ls.huji.ac.il/72682/tutorials/gateway/introduction.html...
  7. Addgene's Tips for Plasmid Quality Control

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    Blog Post
    ...little extra and transfer 100 µl of glycerol stock to each of 2 96-well microplates (identical copies, see .... We then select forward and reverse primers for each sample with the help of DNA-editing software which...glycerol plate on dry ice to the sequencing provider. Each sequencing service will have different requirements...
  8. Writing Scientific Manuscripts: Literature Searching, Reading, & Organizing

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    Blog Post
    ...routine. Set a goal to read a certain number of papers each week to keep up with the research in your area. ...literature in your field of interest. Set aside some time each day or week to at least scan the titles of what’...alerts from journals you read often. The contents of each issue will be delivered to your inbox as soon as...
  9. Plasmids for Endogenous Gene Tagging in Human Cells

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    Blog Post
    ...it is being inserted: one thousand base pairs on each side, in fact. Later, when we transfect the cells...also find the certificate of analysis provided with each cell line. The editing strategy and design described...
  10. Antibodies 101: Stripping and Reprobing Western Blots

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    Blog Post
    ...to probe the blot again, almost like new. This approach preserves your sample and saves you from having...your sample. Pro tip! Because some protein is lost each time you strip a blot, you should not compare the...cycles! Just remember that a bit of sample is lost in each round of stripping, so it pays to plan ahead.   ...
  11. Viral Vectors 101: Virus Safety

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    Blog Post
    ...thoroughly decontaminated after use, typically with bleach (plastic) or ethanol (other surfaces). For AAVs...and isopropyl alcohol, 0.5% peracetic acid, 10% bleach, or 1% iodine are useful. Some organizations or...policies – basically, you’ll need to get trained in each new place (and pay attention to the trainings!),...
  12. Synthetic promoter AAVs for cell-type specific expression in retinal cells

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    Blog Post
    ... Ophthalmology Basel recently took a different approach to enhance specificity in retinal cells. To do...type specific expression in the retina.  Four approaches for designing synthetic promoters  To build a...permission. In total, this library contained 226 AAVs, each with a different synthetic promoter driving expression...
  13. Engaging with science and society at pgEd

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    Blog Post
    ...running professional development (PD) workshops for teachers; organizing Congressional briefings in Washington...eugenics and research misconduct. Past ethical breaches such as the Tuskegee syphilis experiment, the ...non-technical writing skills by writing for science-outreach organizations or student publications, submitting...
  14. Popular Retroviral Vectors and Their Uses in Scientific Research

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    Blog Post
    ...can express siRNAs to direct the cellular RNAi machinery to silence target genes. This empty MuLV vector...plasmids (based on the Murine Stem Cell Virus, MSCV) each with a unique 6 nucleotide barcode. This collection... Susanna Bachle...
  15. Savvy Advocates Needed to Navigate a Scientific Enterprise in Flux

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    Blog Post
    ...Relations Board to allow graduate students who work as teaching or research assistants to join unions. The topic...provide a better deal for students in areas such as teaching salaries, healthcare access, and benefits; however...Assistant Professor of Sociology. University of Massachusetts Boston Christine Oslowski, PhD - Biotechnology...
  16. The Materials Science of Optogenetics Experiments

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    Blog Post
    ...outlining the different steps and materials required for each [1, 2]. This protocol [3] provides, in exquisite... appropriate wavelength to stimulate your opsin. Each opsin has an excitation spectrum (use the resources...the laser must be controlled. As discussed above, each opsin variant has slightly different activation/...
  17. Gaining Leadership Skills Volunteering at a Professional Organization

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    Blog Post
    ...longer term and more substantial experience can be achieved by volunteering for a professional organization...organized a “Committee Leadership Institute” (CLI) where each Committee Chair and Vice Chairs were invited to ...was ultimately invited to join the Advocacy and Outreach Committee within a professional society in my ...
  18. Story of a SynBio Startup: RevBio's Epiphany (or Lack Thereof)

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    Blog Post
    ...markets), and serious ideas (how to stop rhino horn poaching using biotechnology) were thrown on the table ...future in. And we decided to make education and outreach a cornerstone of our business, because we are ...flowers, bugs, and the ocean. After receiving her bachelors in Molecular Biophysics and Biochemistry from ...
  19. Hot Plasmids: Summer 2025

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    Blog Post
    ... current yellow fluorescent proteins tend to photobleach rapidly, which hinders their use for long-term...Alejo Rodriguez-Fraticelli recently developed an approach called Simultaneous Tracking of Recombinase Activation... skeletal muscle, kidney, spleen, lung, heart, stomach, and brain. C) Recent studies have shown that AAV11...
Showing: 541 - 560 of 958 results