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We narrowed to 1,002 results for: Des

Showing: 421 - 440 of 1002 results
  1. Troubleshooting and Optimizing a Western Blot

    Type
    Blog Post
    ...right. If you’ve thoughtfully done the technical design of your blot, but are still finding yourself having...want to consult Tables 1 and 2 in our Technical Design of a Western Blot post to make sure you have the...your membrane! Membranes look the same from both sides, so it’s quite easy to think lane 1 is‌ lane 8. ... with smaller tasks, or simply enjoy some well-deserved down time while waiting for your timer to ding...things you’ll want to consider (see our “technical design of a western blot”) post, most imaging issues can....2011.06.001 More resources on the Addgene blog Technical Design of a Western Blot   More resources on addgene.org...
  2. Neurodegeneration Research Collection

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    Collection
    ...brain. The cause of this neuron death is unknown. Despite the idiopathic (having no specific known cause)...scientific community at low cost, with rapid delivery. Includes antibodies, viral vectors, animal models, purified...
  3. Your Top Requested Plasmid in 2016!

    Type
    Blog Post
    ... and the Puromycin resistance gene as separate peptides. PX459 This is the vector backbone. This particular...Protocols Paper for more information). V2.0 This designation separates pSpCas9(BB)-2A-Puro (PX459) V2.0 from... the Zhang Lab's Nature Protocols Publication describing them here. References 1.Ran, F. Ann, et al. ...Guide Pages Browse Our CRISPR Collection Find gRNA Design Tools ...
  4. Illuminating Choices: A Guide to Selecting Fluorescent Dyes and Ligands

    Type
    Blog Post
    ...select the optimal dye or fluorescent ligand when designing an experiment. You may find yourself defaulting...protein, enabling the labeling of protein substrates/peptides and antibodies. Example applications of this include..., which is an important consideration for assay design (Breen et al., 2016). When selecting dyes, it's...fluorescent donors and acceptors in their product descriptions, or technical manuals. Specific applications...signal-to-noise ratios. Certain dyes have been specifically designed for use in super-resolution microscopy techniques...
  5. CRISPR Kinome Libraries Available: Pooled and Individual Plasmid Formats

    Type
    Blog Post
    ... producing a wall of results that can only be described as bigly. But such a project should not be undertaken...Library Screening Why the kinome? While properly designed perturbations – in the case of screens using CRISPR...References: 1. Doench, John G., et al. "Optimized sgRNA design to maximize activity and minimize off-target effects...with CRISPR/Cas9 Get John Doench's Tips on gRNA Design Check Out News Ways to Use CRISPR for Single Base...
  6. Three Tips to Organize Your Lab Notebooks in the New Year

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    Blog Post
    ...lab earlier, to read that stack of papers on your desk, and to tackle some new experiments before the next...gathering that pile of lab notebooks and binder on your desk. Arrange them in chronological order (or by project...labels. Color code your Post-its and write brief descriptions on each. Place the notes sticking up out of ...colleagues. Start small by identifying the protocols, guides, or references that your labmates ask to borrow...
  7. Build Your CRISPR Vocabulary

    Type
    Blog Post
    ... the parts of CRISPR. The bacterial chromosome encodes a tracrRNA (in some systems including Cas9), Cas...DNA sequences. In laboratory settings, an sgRNA includes the crRNA and tracrRNA sequences in a “single-... sequences in the CRISPR array that will become guides for future targeted degradation. Before integration...biology of Cas9. Want a simpler guide to keep at your desk? We’ve got a CRISPR cheat sheet for that! Resources...
  8. Antibodies 101: Fc Effector Functions

    Type
    Blog Post
    ...know that the Fc domain provides structure, determines isotypes, and provides a place for secondary antibodies...yes, it does! While the Fc domain’s functions, besides structure and isotype determination, don’t generally... 2022). So the next time you see an antibody description with the Fc domain as only providing structure...
  9. Cellosaurus: A Cell Line Information Database

    Type
    Blog Post
    ...database describing nearly 145,000 cell lines. Cellosaurus Cellosaurus seeks to identify and describe all ...authors of the paper in which the cell line was described. Using Cellosaurus Cellosaurus is searchable by...Cellosaurus received a report that HT-55, which was described as a colon cancer cell line, is actually a rectal...
  10. Five Questions to Ask If You're Deciding Between a Master's or PhD Program

    Type
    Blog Post
    ...a job search website like Indeed. Do the job descriptions sound interesting? Is the work something you... types of jobs people with master's have Job descriptions often fail to capture all of the responsibilities...responsibilities of a role, so it helps to see how people describe their actual work. To do this, try looking at ...and industry, often means moving from the lab to a desk, although there’s often technical career tracks ...
  11. Choosing Your Perfect Empty Backbone

    Type
    Blog Post
    ...vast collection of empty backbones that have been designed, tested, and published by academic scientists....find the vector that fits your experiments, I've described below some of the most frequently requested vectors...protein with a specific resin (e.g. 6xHis containing pDEST-HisMBP). After purification the protein can be released...vectors. Consider your applications and experimental design. You can create a new strain with a disrupted gene...
  12. Behind the Scenes of Addgene’s New Look

    Type
    Blog Post
    .... Our new branding was created by our team of designers and shaped by feedback from Addgenies and our ...This post explores the choices that went into the design! Still seeing our old logo on the top of this page...communicates our genuine passion for science. Our designers sketched hundreds of ideas: Figure 3: ...where we moved in 2019 as we grew. Looking forward Besides looking snazzy, this refresh affirms how far we've...
  13. Antibodies 101: Epitope Tags

    Type
    Blog Post
    ... What are epitope tags? Epitope tags are short peptides introduced at the N or C terminus of a protein...purification or detection of the tagged protein. These peptides consist of as little as 8 or as many as several...need monoclonal GFP antibodies or guidance on designing a GFP tag Addgene has you covered!   Potential...Protein folding issues, steric hindrances, and destabilization can be brought about by the tag so it’s important...
  14. Identifying Sequence Elements with SnapGene's Feature Database

    Type
    Blog Post
    ...errors in the design of cloning strategies set experiments back days or even weeks. Primer design was done ... alleviate these problems through good software design. But what makes software good? Fortunately, that...we dug into the original literature, some of it decades old, to provide reliable feature annotations. Even...
  15. Creating accessible biology activities in schools with BioBits

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    Blog Post
    ...resources to provide them to their students. My desire to create a set of low-cost, easy-to-use educational...protein – you first need the DNA sequence that encodes it. That DNA sequence then needs to be incorporated...one is as cheap as 10 cents, making activities designed with FD-CF reactions affordable to many schools...students. In our BioBits kit for example, we’ve designed FD-CF experiments that result in outputs that ...
  16. Quick Guide to Working with Drosophila Part 3: Genome Engineering in Flies

    Type
    Blog Post
    ...Harvard University. In my previous two posts, I’ve described the fundamentals of how to work with Drosophila...Drosophila as an experimental model organism. I then described the Gal4/UAS system used by geneticists to study....e. there won’t be positioning effects). When designing experiments where you want to express multiple...wondering, “How do I know which of my flies have the desired integration?” Not to worry! In flies, phenotypic...
  17. Early Career Researcher Toolbox: Social Media for Scientists

    Type
    Blog Post
    ...’s social media toolbox. Besides advice for using Twitter, this post provides suggestions for using LinkedIn...use Twitter as a scientist. While this post is designed with beginners in mind, there’s some great reminders...sheet from Science Media Savvy This tip sheet provides advice for tweeting and blogging as a scientist...
  18. Hot Plasmids December 2018 - C. elegans RNAi, TurboID, Detecting Viral Outbreaks, and Protein Binding Specificity Tools

    Type
    Blog Post
    ...target specific mRNA transcripts for degradation. Despite how easy these experiments are to physically set...to prevent the incorporation of non-specific nucleotides into the dsRNA leading to increased RNAi efficiency... Lab’s recent Nature Biotechnology paper, they describe TurboID and miniTurbo, which utilize non-toxic...switch to be expressed. In this case, the gene encodes the LacZ𝛼 protein. Once expressed, LacZ𝛼 complexes...
  19. Cas13d: Small RNA-targeting CRISPR enzymes for transcriptome engineering

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    Blog Post
    ...New work from Konermann et al. and Yan et al. describes new Cas13d enzymes that average only 2.8 kb in...Like other Cas13 enzymes, the Cas13d orthologs described in these papers can independently process their... high targeting efficiency, both of which are described below. Yan et al.: WYL-domain-containing accessory...produced very similar cleavage products even when guides were tiled across a target RNA, indicating that...
  20. Fluorescent Proteins 101: Luciferases

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    Blog Post
    ...abdomen to produce yellow-green light (Figure 2). Despite the title of this post, this reaction is not fluorescence...fluorescence! Chemiluminescence, which includes all bioluminescence, is the production of light by a chemical...assays (low background, no photobleaching) but provides flexibility by pairing the luciferase with a variety...luciferase output at different wavelengths. Addgene provides empty backbones with the luciferase gene, a variety...
Showing: 421 - 440 of 1002 results