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We narrowed to 964 results for: App;

Showing: 421 - 440 of 964 results

  1. Great Results Start with Great Standard Curves

    Type
    Blog Post
    ... critical for a number of popular scientific applications, and the quality of a standard curve can make... then generate a trendline for the data. The appropriate trendline varies between assays and may be linear...for an acceptable R2 but for many scientific applications users aim for an R2 above 0.95.    Additional... from decreased specificity, especially as it approaches the minimum and maximum thresholds. If the measurements...

  2. CRISPR 101: Making a Knock-In Cell Line

    Type
    Blog Post
    ...cells stay in an HDR-promoted cycle longer. This approach may have some negative outcomes on viability if... as 10 hours, so read up on the timing of this approach carefully (Lin et al., eLife)! Use a Cas that...facilitates HR What if promoting HR was as simple as swapping out your Cas9? It can be! Cas12a is a Cas family...knock your knock-in experiment out of the park. Happy editing!   Resources and References References...

  3. New Optimized Genome-wide CRISPRko, CRISPRi, and CRISPRa Libraries

    Type
    Blog Post
    ...activity. In this study scientists examined approximately 1,900 sgRNAs and identified sequence features...substantially identified more hits than the SAM library approach in a comparison study screening for vemurafenib...ORF overexpression library identified several overlapping genes, most genes were unique to the individual...Calabrese pooled library and lentiviral prep here! Applications for the Root and Doench CRISPR libraries Overall...

  4. INTEGRATE: Bacterial Genome Engineering Using CRISPR-Transposons

    Type
    Blog Post
    ... and have been adapted for a wide variety of applications - as mutagenesis tools for genetic studies (...Recently, the lab introduced a streamlined expression approach (Fig. 2A), involving two-plasmid or single-plasmid...at one or multiple desired genomic loci. Many applications of these systems have already been demonstrated...C , Xu M, Zhou Z, Smock DC, Tang K, Owens TK, Krishnappa N, Sachdeva R, Deutschbauer AM, Banfield JF, ...

  5. Introducing Addgene's New Search - Find Plasmids More Easily For Your Research!

    Type
    Blog Post
    ...down to the exact plasmid you need. The ability to apply a wide range of filters isn’t new to Addgene’s plasmid... it’s also a convenient most requested filter. Applying a second filter, this one from the ‘Requests’ ...consider. If you get this far and realize you need to apply different filters you do not need to start a new...” plasmids returns more than 1300 results, and applying a filter for “CRISPR” plasmids keeps more than...

  6. Minigenomes - a Safe Way to Study Dangerous Viruses Like the Ebola Virus

    Type
    Blog Post
    ...is a nonsegmented, negative sense RNA strand approximately 19 kb in length. It contains short promoter ...replicated and transcribed in the cell when the appropriate viral proteins are provided in trans (see Other..., there are a few reasons arguing against this approach. First, this would prevent the study of the proteins...activity (4). To ensure that you end up with appropriate plasmid ratios, we suggest: 500 ng NP, 500 ng...

  7. Your Lentiviral Plasmid FAQs Answered

    Type
    Blog Post
    ...lentiviral plasmids created for a variety of applications including cDNA expression, shRNA-mediated knockdown...only infect dividing cells. When choosing the appropriate gene delivery system, the specific target cell...type or tissues; this is useful in gene therapy applications where a distinct subset of the cellular population...free to post them in the comments and we would be happy to answer them! Note: A. Max Juchheim, Marcy Patrick...

  8. Technical Design of a Western Blot

    Type
    Blog Post
    ...it includes validation data relevant to your application — and double-check that lot number while you’...unstained set of standards that covers a size range appropriate for the target(s) and transfer method. Membranes..., make sure to choose a chemilumescence kit appropriately sensitive for the amount of protein you are ...reference table to help you quickly decide what approaches best suit your experimental needs. Table 3: Optimizing...Increased time; increased reagents Good luck and happy blotting! Many thanks to Addgenies Ashley Waldron...

  9. Viral Vectors 101: Preparing Pooled Libraries

    Type
    Blog Post
    .... Transfection of the DNA pooled library and appropriate packaging and envelope plasmids into HEK cells...next step is to make your virus. If the library happens to have a specific protocol for producing virus...protocol on Lentivirus Production provides a general approach for producing lentivirus in Lenti-X 293T cells...don’t hesitate to email us at [email protected]. Happy screening! This blog was written by Addgenie Hannah...

  10. Plasmids 101: Codon usage bias

    Type
    Blog Post
    ...tRNAs correctly, and charge the tRNAs with the appropriate amino acids. If an organism uses only a subset...codons, the ribosome may therefore stall at inappropriate locations or fail to make it through the entire...genes in such a way that their codons are more appropriate for the desired expression host. This is known...ways to encode them and what constitutes the “appropriate” codon is not necessarily obvious. You might ...

  11. Controlling for Off-target Effects with a New Genome-wide CRISPR Screen Design

    Type
    Blog Post
    .../Cas9 screens are a high-throughput systematic approach for identifying genes involved in a biological...Cas9 screen design Are non-targeting guides an appropriate control? Many CRISPR screens use non-targeting...Figure 1: Summary of the advantages of the new approach to genome-wide CRISPR screen design.   Bassik...all ~20,500 protein-coding genes. Unique, non-overlapping sites in the genome were targeted and predicted...

  12. Bioinformatics at Addgene

    Type
    Blog Post
    ... expand, we realized the need to modernize our approach to handle larger volumes of data. In this two-...the need to accelerate science using different approaches. We were also encouraged to see that a community...multiple open-source sequence assembly tools at the appropriate place in our workflow without having to translate...computer ran the process. Another design choice we appreciated about Nextflow was how effortless it was for ...

  13. Binning Singletons: Tackling Conference Networking When You Don’t Know Anyone

    Type
    Blog Post
    ...keep DNA sequencing singletons (reads that only appear once) in our analysis. Many pipelines toss these...not the more intense mentorship experience that happened at ASM Microbe, we connected people who otherwise...networking and mentoring circles We looked at a lot of approaches scientific meetings have taken to provide mentoring...Shawnna Buttery, Kat Milligan-Myhre, and Pragati Chengappa.  Financial and moral supporters Denise Akob, ...

  14. Mesothelioma - Causes, Symptoms, and Treatment

    Type
    Blog Post
    ...a danger of getting the disease, even if you do happen to be exposed to asbestos. However, as the U.S....techniques are used as part of a treatment plan, an approach known as multimodal therapy. Sadly, in many cases...the abdominal cavity. This targeted chemotherapy approach has been shown to be successful in killing many...as in the case of Paul Zygielbaum. A different approach to immunotherapy is bevacizumab (Avastin). This...

  15. Using Video to Share Your Science: We Share Science

    Type
    Blog Post
    ...for millions and their visual format is quite appealing to many audiences. While all of these platforms...ever since. The take home message of all of this appears to be that video is the future in terms of communicating...these platforms (such as social networking, visual appeal, instant sharing across multiple other sites), ...private sector researchers, or pretty much anyone applying the scientific method to a question. Videos from...

  16. Data Freedom: The Expansion of Data Sharing in Research Publications

    Type
    Blog Post
    ...detect possible errors in assumptions, use of inappropriate statistical methods, omission of some data, ...distinct (perhaps similarly impoverished lab) might apply different or novel tools and assumptions to reveal...including the generators. This practice doesn’t appear to harm the originating researchers, even if they...given the endless types of data). Rather, PLOS appears to leave the scope of data to be shared to individual...

  17. Hot Plasmids: Summer 2024

    Type
    Blog Post
    ...chaperone NPM2, but the technique should be widely applicable to other targets. The modular system of linkers...scFvs for other targets or could be used for applications beyond cryo-EM.   Find plasmids for MagIC-Cryo-EM...plunge freezing represents a convenient, effective approach to protecting your cryo-EM samples from damage...optimizing prime editing systems for specific applications! Delivering prime editors (PEs) via engineered...

  18. March for Science

    Type
    Blog Post
    ...Feeling like an apple will fall up instead of down when dropped will not make it happen. In a time when...earlier analogy, no amount of shouting will make an apple fall up. As scientist and politician Rush Holt said... Rush Holt: Lawmakers need to use a scientific approach to formulating views Pew Research Center: Public...

  19. Using Phosphoserine to Study Protein Phosphorylation

    Type
    Blog Post
    ...Madison, Wisconsin. It is commonly cited that approximately one-third of cellular proteins are modified ...phosphorylation is far more prevalent than previously appreciated. PhosphoSitePlus, one of the most inclusive databases...protein modification within the context of its appropriate regulation. To avoid these problems, it is also...requires a molecular toolkit containing the OTS, an appropriate bacterial host strain for protein production,...

  20. Plasmids 101: Restriction Cloning

    Type
    Blog Post
    ...toward the cathode (- charge). When the voltage is applied across the gel, the DNA migrates toward the anode...want a “recipient plasmid : insert ratio” of approximately 1:3. Since the number of base pairs for each...should also verify that you are plating on the appropriate antibiotic and try varying the “recipient plasmid...Ideally, once you know that your plasmid has an appropriately sized insert, you should send it for sanger ...
Showing: 421 - 440 of 964 results