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Showing: 201 - 220 of 972 results
  1. Technical Design of a Western Blot

    Type
    Blog Post
    ... of interest is not available in a pure form, you can perform relative quantification, which measures ...If your protein of interest is available in pure form, you can use it to create a standard curve on your...different than the validation assays, we recommend performing your own validation assays. If you’re using previously...chemical-based. Before selecting one, check your antibody information. Many antibodies will have a recommended blocking...temperature for 1–2 years and are available in formulas specific to your choice of detection methods. ...Aldridge et al., 2008).  Woah! That was a lot of information to cover. But don’t worry — the next time you...
  2. AAV for Neuronal Tracing

    Type
    Collection
    ...fill out our form to let us know what you would like to see available in viral prep format. Please note... protein, the virus can replicate but the newly formed viruses are unable to infect any neighboring cells... AAV can be used with modified rabies virus to perform retrograde neuronal tracing. Note : Addgene does...
  3. Plasmids 101: Degron Tags

    Type
    Blog Post
    ...ligase complex. Finally, when auxin is added in the form of auxin hormone indole-3-acetic acid (IAA), the...behave with a new protein, but you can make an informed choice!   References and Resources References...
  4. Viral Vectors 101: Voltage Indicators

    Type
    Blog Post
    ...exogenously to measure a phenotypic response in the form of fluorescence or voltage indicators.   Viral... here!). The only issue with these GEVIs? They perform poorly in two-photon conditions, which are necessary...
  5. Rabies and Neuronal Tracing

    Type
    Blog Post
    ...transsynaptically). This is because the recombinant forms of these viruses typically used in research aren...after, we learned about organs and the jobs they perform. This became foundational later on when we studied...
  6. Quick Guide to Working with Drosophila Part 1: Getting Started with Flies

    Type
    Blog Post
    ...case, the larva will metamorphose into its adult form. In all, it takes roughly 10 days for an egg to ...Some resources will direct you to the latest information about gene function, while others offer fly stocks...Flybase.org is absolutely essential. You can look up information about your fly gene using the search box in the... started. Any given gene’s webpage will have information on where the gene is expressed within the fly...website as well. Additionally, they have useful information on topics such as choosing the right balancer...
  7. PITChing MMEJ as an Alternative Route for Gene Editing

    Type
    Blog Post
    ...MMEJ (microhomology-mediated end-joining)? MMEJ, a form of alternative end-joining, requires only very small...’s become clear that the power of this editing platform lies in the diversity of nucleases and their applications...
  8. Degrading DNA with Cascade-Cas3

    Type
    Blog Post
    ...mechanism (see next section for details). The newly formed single-stranded DNA (ssDNA) is then pulled through...through Cas3. After these initial steps, Cas3 can perform its helicase and nuclease functions simultaneously... D. W. (2023). Structural snapshots of R-loop formation by a type I-C CRISPR Cascade. Molecular Cell, ...
  9. Magnetic Control of Proteins: More than a Dream

    Type
    Blog Post
    ...expressed in E. coli, in mammalian cells, or in purified form, and didn’t need any added cofactors.      ...future MagLOV-based tools, just as light-induced conformational changes are the basis of many optogenetic tools...have collected a variety of data that might help formulate some hypotheses. They are excited to see other...
  10. CRISPR 101: Making a Knock-In Cell Line

    Type
    Blog Post
    ...location. HDR depends on resection at the break site to form ssDNA and uses the ends of the ssDNA to find a repair...increase HDR frequency by committing a break to performing HR before other factors were loaded onto the ...
  11. Negative Can Be Positive: Open AAV Data with Addgene

    Type
    Blog Post
    ...highlights the dearth of AAV vector information provided in openly accessible forms like publications. Why not ... two years testing and reformulating our AAV construct to optimize performance in our system and yet none...literature, and as a result can leave scientists under-informed with respect to how different serotypes, promoters...this one set of experiments didn’t provide any information on other important factors such as what is the...adjacent areas impacted the experiments we wanted to perform. It required a great deal of time and effort to...packaging viral particles (6), can influence vector performance. Open science initiatives, like Addgene’s Data...negative data and instead focus on getting this information out into the public where it can be utilized ...
  12. Antibodies 101: Immunoprecipitation

    Type
    Blog Post
    ...antibody-target protein immune complexes are allowed to form. Following incubation, beads are used to immobilize...-40 or triton-X, to preserve native protein conformations and interactions. For difficult to release proteins... in the lysis buffer, keep samples on ice, and perform the IP at 4oC. When choosing the capture antibody... recognizes the target protein in its native conformation. Frequently, the antibodies used for a standard... are completely removed. Wash steps should be performed even with a pre-cleared sample.  Eluting the target...and negative controls for an IP. When possible, perform the IP in parallel with both a sample known to ...order to identify any non-specific interactions, perform parallel IPs with beads only and an isotype control...
Showing: 201 - 220 of 972 results