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We narrowed to 982 results for: IGH@

Showing: 481 - 500 of 982 results

  1. Finding nucleic acids with SHERLOCK and DETECTR

    Type
    Blog Post
    ... develop and optimize the method termed Specific High Sensitivity Enzymatic Reporter UnLOCKING (SHERLOCK... the promiscuous cleavage and degradation of neighboring ssRNA and ssDNA by Cas13 and Cas12a, respectively... of CRISPR-based diagnostics. SHERLOCK- Specific High Sensitivity Enzymatic Reporter UnLOCKING Cas13 (...SHERLOCKv2 provides a method to detect nucleic acids with high sensitivity and specificity without compromising...the ability to rapidly detect nucleic acids with high selectivity and sensitivity from patient samples...

  2. Save Time with Transient Plant Leaf Transformations

    Type
    Blog Post
    ... procedure (Mortensen et al., 2019). Our method might provide some useful guidelines for the development...transformation was successful at all. Once we were on the right track, we switched to luciferases to more easily...simple and easy technique to implement. Success might vary between experimenters. Vacuum infiltration ...especially problematic with reporter genes as you might observe expression from Agrobacterium, but not the...leaf transformations, but we hope that these tips might help to get you started. Once you have established...

  3. Plasmids 101: Gateway Cloning

    Type
    Blog Post
    ...technology has become very popular as a rapid and highly efficient way to move DNA sequences into multiple...two new recombination sites (attL-left- and attR-right-, Figure 1). Under certain conditions, the attL ...’ll walk through an example experiment where we might use Gateway cloning to generate our desired constructs...another, the inserted DNA fragment stays in frame. High efficiency The positive (antibiotic) and negative...M. (1992). A Genetic Switch: Phage (Lambda) and Higher Organisms (Cambridge, MA: Cell Press). Additional...

  4. Antibiotic Resistance: An Old Solution but a New Problem

    Type
    Blog Post
    ...three scenarios, but a short treatment regiment might wipe out bacteria that are completely susceptible...concentrations of a drug, but will be killed by a higher concentration, or sometimes more exposure time ... corresponds to the level of susceptibility you might expect if a certain antibiotic were chosen for treatment...survive for millennia. What we can do, however, is fight smarter, not harder. We can utilize tactics like...antimicrobials to learn how scientists are using CRISPR to fight bacteria. From a societal standpoint, we can all...

  5. Analyzing CRISPR Editing Results with ICE from Synthego

    Type
    Blog Post
    ...found that the accuracy of ICE analysis results was highly comparable (within r2=0.96) to that of NGS data...coefficient (r) is also computed and reported.  The higher the R2 value, the more confident you can be in ...the Download Analysis Data button on the bottom right of the analysis screen. ICE analysis details Contributions...genomes that contain the indel. The discordance plot (right panel) shows the level of disagreement between the...that continues after the cut site, representing a high level of sequence difference. Traces The Traces...

  6. AAV Titers: Where Do They Come From And What Do They Mean?

    Type
    Blog Post
    ...SDS-PAGE...Electron microscopy… Any guesses? That's right... ways to titer AAV! The point is there are many...linear region of the standard curve. In addition, high and low-concentration samples can also behave differently... reference sample of known titer, which is at a higher titer than the AAV RSM. By using these samples ...) AAV titers are approximations and they depend highly on the experimental conditions used, titer values...PMID: 10455443. 3. Hindson, Benjamin J., et al. "High-throughput droplet digital PCR system for absolute...

  7. Viral Vectors 101: Pseudotyping

    Type
    Blog Post
    ...scientists achieve a high titer (reviewed in Joglekar and Sandoval, 2017). This high titer is one of the...your virus, there are many other reasons when you might pseudotype your virus:  Lowering cytotoxicity. ...reaching the target cells. VSV-G is also toxic at high concentrations as described above and is inactivated...vector to be transported retrograde and also has higher neuronal transduction efficiency and a better safety...

  8. Changing Labor Laws Bring Increased Postdoc Wages

    Type
    Blog Post
    ...Department of Labor’s general guide to the effect on higher education, you can see that those in teaching roles...lot of us, frankly quite surprising. Consortia of higher education institutions submitted letters to the...exemption. Discussions about the drastic effects on higher ed had been seized upon by opponents of the ruling...convincing as the recommendations for postdocs to be on higher salaries (which have been made by multiple organizations...recommendations that postdoc salaries be raised to $50,000 - higher than the level they will be raised to on Dec 1st...

  9. 5 Reasons to Use Reddit for Science Communication

    Type
    Blog Post
    ...you can see some of the stats from the AMA to the right - the Reddit community is active, engaged, and has...resources at her disposal, she was writing all day and straight on through her designated two hours for answering... to other scientists who will find it useful, I highly recommend doing an AMA! Before I turn it over to... Kudos to the moderators for keeping the quality high and thus enabling a productive discourse. They even...to resources. I’ve said this before, but I also highly recommend taking every opportunity you get to speak...

  10. Harnessing Bacterial Toxins for Allelic Exchange

    Type
    Blog Post
    ...created vectors for Lambda Red that contained one of eight bacterial toxin genes isolated from E. coli or Psuedomonas...both rhamnose- and arabinose-inducible promoters. Tight control of toxin expression is absolutely necessary...induction system is well-characterized and quite tight (Giacalone et al., 2006). The Chen lab demonstrated... selected the three toxins so that at least one might be useful in a broad array of pathogenic Proteobacteria...expression in Escherichia coli using a rhamnose-based tightly regulated and tunable promoter system." Biotechniques...

  11. 3 Tips to Improve HDR Efficiency for CRISPR Editing in Human Cells

    Type
    Blog Post
    ...change and screen a few hundred clones to find the right one Step 2 – Edit the cells a second time using ...corrects the blocking mutation and again identify the right clone from a few hundred. From these two steps, ... few hundred clones - Still better than 10.000, right? (Kwart, Paquet, et al  2017). Find Additional CRISPR...increasing mutation incorporation efficiency, we might exploit this relationship to direct the zygosity...Additional Resources on the Addgene Blog Learn about High Fidelity Cas9 Variants How to Design Your gRNA Delivering...

  12. Filming Science Videos in the Age of Social Distancing

    Type
    Blog Post
    ... a great plan to start consistently knocking out high-quality videos for you all. The next day...we got...Everything we had set up involved multiple people in tight locations. Conference rooms for on-screen presenters...raised on an ironing board, giving it the perfect height (Fig. 2). We recorded video using a simple, external...comfortable on camera while thinking about things like lighting, camera angle, and shot composition.  So back ...could transmit a signal between a wall. There was a SLIGHT delay, but I could work with that.  Focus: Next...

  13. Viral Vectors 101: Integrase-Deficient Lentiviral Vectors

    Type
    Blog Post
    ...cells. However, for some applications, integration might be considered a double-edged sword with unintended... lentiviral vectors, how they work, and why you might choose them over integrating lentiviral vectors....lentiviral vectors? There are several reasons why you might choose an IDLV over a lentiviral vector: 1. No risk...mind is that titering these IDLVs may require a slightly different protocol than regular lentiviral vectors...Reyon, D., Joung, J. K., & Sander, J. D. (2013). High-frequency off-target mutagenesis induced by CRISPR-Cas...

  14. Antibodies 101: Beyond Surface Labeling

    Type
    Blog Post
    ... cell mixes, like bulk lympho-/splenocytes, you might only be interested in one of the various cell populations...markers of all cell types except CD8+ T cells. We might choose the markers CD4, CD19, and CD11c, which would...rest can be excluded, or “dumped”. From left to right: B cell, CD4+ T cell, dendritic cell, CD8+ T cell...host species reactivity. When sorting cells with a high resolution for specific downstream applications,...immunity. When he's not in the lab, Paul enjoys weight lifting, sailing, and reading.   More resources...

  15. Multiple Plasmids at a Low Price: Kits from Addgene

    Type
    Blog Post
    ... together on a tight budget. To help popularize our kit resources,  we’re highlighting just a few of ...covering a wide range of fields from Addgene. What you might not know is that Addgene distributes curated collections...Morgan’s blog post on the PUF Assembly Kit for some insights on its potential from its creators. We hope you...

  16. Evolution of Lab Techniques

    Type
    Blog Post
    ...amount of high-quality DNA, real-time PCR has several advantages including easier automation, higher throughput...method called pyrosequencing. The drive for faster, higher throughput and less expensive sequencing fuels ...commercially available although they are reported to have high error rates (10). It is projected that nanopore-...and research progress. These will bring faster, higher throughput, and potentially more accurate techniques...

  17. Targeting HIV-1 with CRISPR: Shock and Kill or Cut it Out?

    Type
    Blog Post
    ...untreated individuals. Symptoms of AIDS include rapid weight loss and an increased risk of infection, including...models, and it’s difficult to tell if one approach might be more successful. “Shock and kill” has the advantage...expression of Cas9/gRNAs, which could result in higher rates of off-target cleavage. In both cases, translating...each of these gRNAs will need to be validated for high on-target binding and low off-target binding. It...stable expression of Cas9/gRNA. Viral production is higher in this model than in latent HIV-1 infection, which...

  18. Plasmids 101: Common Lab E. coli Strains

    Type
    Blog Post
    ...the perfect empty backbone, made sure to add the right tags to your gene, and may have even put a fluorescent...are marketed for a specific purpose: fast growth, high-throughput cloning, routine cloning, cloning unstable...  Propagation of ccdB-containing plasmids Hte   High transformation efficiency deoR constitutive expression...synthesis Allows uptake of large plasmids hee   High electroporation efficiency supE44 (glnV44)   Suppression...+)  XL10 Gold Tetracycline and Chloramphenicol High competency cloning and propagation of large plasmids...

  19. 8 Great Depositor Research Stories

    Type
    Blog Post
    ...This Depositor Week, we're highlighting eight amazing posts on research done in our depositor labs. Some... Andrew Willoughby introduced us to RUBY-red, a bright red pigment reporter for plants.  Cas7-11 and PASTE...

  20. Bringing Renewable Energy to Addgene

    Type
    Blog Post
    ...community like Watertown to bulk purchase energy from a higher percentage of renewable sources. This program offers...sources and we have chosen to participate at the highest level offered. As a result, we will be drawing ... our electricity from renewable energy projects right here in New England- the majority of which are solar...temperatures, biosafety cabinet ventilation, and lab lighting/HVAC requires a significant energy expenditure...
Showing: 481 - 500 of 982 results