We narrowed to 770 results for: Dos;
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TypeBlog Post...gradients, practice making the iodixanol layers before doing your first purification. This helped me get a feel...to learn more about different ways to titer AAV. Do you have any AAV production tips or tricks? Please...multiplicity of infections (MOIs), to determine the optimal dose of AAV for my cells of interest. Every batch of ...
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Antibodies 101: The Four ELISAs and When to Use Them
TypeBlog Post...components can interfere with conjugates. Make sure to do your research before conjugating at the bench. ...to distinct, non-overlapping epitopes so that they do not interfere with each other. The detection antibody... -
New Optimized Genome-wide CRISPRko, CRISPRi, and CRISPRa Libraries
TypeBlog Post...interference), and CRISRPa (activation) libraries that do just that (Doench et al., 2016, Sanson et al., 2018... identifying strong hits in genetic screens, they do have several limitations. CRISPRko results in a complete... -
Fluorescent Proteins 101: Aptamer Fluorophores
TypeBlog Post...fluoresce, the Jaffrey lab asked: Could an RNA aptamer do the same thing? Using the HBI derivative 3,5-difluoro...recognition of ions or particularly small molecules that do not generate an immune response. Aptamers can be ... -
Lentiviral Vector Uses and Overview
TypeBlog Post...expression. To design a viral vector system that could do both, Addgene depositor Didier Trono and collaborators... lentiviral system (Figure 2). The HIV genes that do remain are very important for viral production: Gag... -
Plasmids 101: Control Plasmids
TypeBlog Post...Gene X in the untreated cells—but can we be certain? Do we know whether the plasmid delivered into the cells...negative controls that produce a similar product, but do not target an endogenous gene in your experimental... -
Data Freedom: The Expansion of Data Sharing in Research Publications
TypeBlog Post...of necessary data requirements and likely will not do so (calling it a “sisyphean task” given the endless...Firstly, we rely on many other labs to teach us how to do experiments and understand their data. Likewise, ... -
Addgene’s Newest Way to Speed Your Research: The Cloning Grade DNA Service
TypeBlog Post...quantification so that you can focus on what you want to do with your plasmid without spending time and resources... -
Deck the Lab 2022!
TypeBlog Post... Michael Früh submission, which we have entitled "Do You See What I See?" I was bored this weekend while... -
Streaking for Single Colonies: The Streak Plate Challenge
TypeBlog Post...other aspects of molecular biology. “What I'd like to do with the plasmids from Addgene is have the students... -
Editor's Choice, July 2016
TypeBlog Post...expect given the excitement surrounding anything to do with CRISPR, our most popular post in July (with ... -
Antibody Guide
TypeGuide...comes from. Then consider the following questions: Do you need polyclonal or monoclonal antibodies? Will...direct or indirect detection method? If indirect, do you already have secondary antibodies available in...have identical features and epitopes, to ensure you do not validate the same antibody multiple times. You...antibodies will also have a source species. What conjugate do you want to use? Most secondary antibodies will be...buy small aliquots of many different antibodies and do batch validation up front rather than risk delaying... -
Guide to Using Pooled Libraries
TypeGuide...: Apply library Apply selection Most cells die or do not pass selection (in the case of a reporter) Sort... screen, the goal is to identify those cells that do not survive the selection mechanism. You’ll infect... -
What's New in CRISPR - Winter 2018
TypeBlog Post...wild-type and engineered variants of Cas nucleases. In doing so, they also created a modular toolkit for Cas-... -
A Scientist's Guide to Ebola
TypeBlog Post...all the excitement and speculation, we thought we’d do a little digging and assemble a rough guide to the... -
CRISPR Plasmids - Tagging
TypeCollection... homology arms and EGFP are available at Addgene. Do you have suggestions for other plasmids that should... -
Molecular Biology Reference
TypeGuide...function and the correct gene of interest. So how do scientists sequence DNA? Sanger Sequencing In 1975...fluorescently tagged nucleotide. Because these special bases do not have a binding site for adding the next nucleotide... can be converted back to a regular base and thus do not halt the reaction. Illumina NGS, therefore does...is important to note that NGS platforms in general do not require a specific primer for your DNA of interest... -
The PAM Requirement and Expanding CRISPR Beyond SpCas9
TypeBlog Post...editor. Cas13 enzymes are advantageous because they do not require a PAM, and RNA targeting is potentially...flanking sequence (PFS) adjacent to the target, but many do not, showing the flexibility of this system. As ... -
Four Base Editing Reporters to Monitor and Enrich Editing in Real-time
TypeBlog Post...array of base editing reporters that can help you do just that. Monitoring APOBEC and Cas9-mediated editing...tested their hypothesis with GFP fluorescence. To do this they generated a silent GFP construct, that ... -
The Fluorescent Vegetables in Aptamer Soup
TypeBlog Post... using site-directed mutagenesis of Spinach. In doing so, they identified the nucleotides that contribute...Just as vegetables come in a variety of colors, so do aptamers! Corn was recently described in 2017 (Song...