We narrowed to 841 results for: STI
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TypeBlog PostPublishedMarch 15, 2022, 1:15 p.m....one is not available, don’t lose hope! It could still work. Take a close look at the antigen or antigenic...you will need to make sure that you can easily distinguish each different type of antibody and therefore... through the above steps, you may find that you still have a number of options. If this is the case, you...your assays up and running. Ed.'s note: More questions on antibody validation? Check out Antibodies 101...
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Giving gRNAs a Facelift - Synthetic and Beyond
TypeBlog PostPublishedOct. 20, 2022, 1:15 p.m....chemically modified to resist degradation while still effectively serving their function of guiding Cas9...at the same site, is 2’-fluoro (2’-F), which substitutes a fluorine for the hydroxyl group at the 2’ position...advantages, bridged nucleic acids with N-methyl substitutions are slightly more efficient and less toxic to...molecule) you will not have that option, but you can still choose what dye to use What to do once you’ve chosen... -
Teaching an Old DOG New Tricks: Controlling Protein Activity with GFP
TypeBlog PostPublishedNov. 24, 2015, 3:30 p.m....repurpose popular GFP reporter lines for more sophisticated experimental manipulations, saving the time ...experienced: wanting to ask and answer experimental questions, but not having the tools needed to do so. Cepko... using GFP as a scaffold suddenly seemed very realistic. Envisioning GFP as a substrate promoting dimerization...Transcriptional Devices Dependent On GFP). In testing the specificity of their system, Tang et al. found... -
The Future of Research Symposium Boston 2015
TypeBlog PostPublishedOct. 20, 2015, 2:30 p.m....many important questions, areas for informed discussion, debate, and data collection still remain: What...workforce structure? Helping to answer some of these questions, and posing some of their own are the following...grassroots organisations that represent postdocs and institutes that employ them, the diversity of trainee backgrounds... -
5 Steps to Writing Grant Proposals for Grad Students
TypeBlog PostPublishedFeb. 11, 2014, 12:13 p.m....funding from a variety of government and academic institutions. New graduate students may assume that their...the mission of the application and the funding institution. Moreover, avoidance of ‘to be’ verbs creates... with the description of the RFA and funding institution. Emphasizing how your solution fits into the ...research project grant application" by the NIH Still want more information on the application process... -
Quickest Way to Deposit Plasmids: The Deposit Spreadsheet
TypeBlog PostPublishedMarch 8, 2017, 3:15 p.m....glycerol stock. Choose from: ampicillin, apramycin, blasticidin, bleocin (zeocin), chloramphenicol, erythromicin...box for the “Purpose” field. If you ever have a question about what should go into a cell, hover over the...Distribute pending QC. The name of the Principal Investigator and Organization where your plasmids were first...in March 2017 and updated by Angela Holmes and Christina Mork in February 2024. Additional Resources... -
Adenoviral Vector Production and Troubleshooting
TypeBlog PostPublishedJune 14, 2018, 11:44 a.m....transduced cells and loss of transgene expression (Interestingly, the strong immunogenicity of AdVs is what makes...virion is a non-enveloped particle of ~100 nm, consisting of a capsid surrounding an inner core which contains...use of this system. New and improved systems are still being developed. A detailed protocol for production...mL of sample. The purity of the sample can be estimated by looking at the ration of DNA (260nm) versus... -
Split-BioID: An Improved Method for Studying Protein-Protein Interactions
TypeBlog PostPublishedMay 1, 2018, 1:57 p.m....and overlapping complexes that have distinct functions. Many existing methods for identifying PPIs, such...additional interacting factors. Problems with Existing Methods for Studying Protein-Protein Interactions... biotinylated. This makes it’s impossible to distinguish proteins that directly interact with the bait... -
Corralling and Cornering the Goldilocks Antibody
TypeBlog PostPublishedAug. 9, 2022, 1:15 p.m....pattern of the antibody binding “distinct imaged pattern.” The distinct imaged pattern should align with...comparison on the antibody signal’s location. If a distinct imaged pattern does NOT align with the atlases...through their own analysis of the background noise, distinct imaged pattern, and exposure times. To test the... -
Antibodies 101: Choosing the Right Isotype
TypeBlog PostPublishedApril 6, 2023, 3 p.m....and application should be considered The first question you may have is whether a monoclonal or polyclonal... 1998). Consequently, if you find yourself in a sticky species-on-species situation, and other antibody...that users choose antibodies that are easily distinguishable from each other. In a direct approach, that... species or isotype that can be probed with a distinctly conjugated secondary antibody. Consider too that... -
A Look at Addgene's QC Process
TypeBlog PostPublishedMay 6, 2025, 1:15 p.m....plasmids can lead to far reaching consequences, from wasting time and money on optimizing experiments, to false...all incoming plasmids. If you are interested in requesting one of these plasmids, you can request that it...reference is given, de novo assembly in Geneious can still provide additional insights to resolve the assembly...team leaves a note on the plasmid page to make requesting scientists aware of the identified discrepancy... -
Plasmids 101: In-house NGS Plasmid Quality Control Now at Addgene
TypeBlog PostPublishedApril 6, 2021, 12:30 p.m....changeover had no impact on our ability to provide requesting scientists high quality data! Addgene's new ... example, the CAG promoter, a hybrid promoter consisting of a CMV enhancer, chicken beta actin promoter... that is useful, but not 100% complete, we will still make this data available as a partial sequence with...develop a PCR strategy suitable for the library in question. We will order primers that can amplify the insert... -
Hot Plasmids and Viral Preps - March 2021
TypeBlog PostPublishedMarch 23, 2021, 1:15 p.m.... to modify chromatin. A fluorescent protein can still be included for visualization purposes, but the ...flexibility of the single-pot system will allow investigators to rapidly create multiple synthetic chromatin-modifying...CRISPR plasmids for Borrelia burgdorferi from Christine Jacobs-Wagner’s lab produce different levels of...pooled library from Keith Joung’s and Benjamin Kleinstiver’s labs are now available. These libraries encode... -
Quick Guide to Working with Drosophila Part 1: Getting Started with Flies
TypeBlog PostPublishedJuly 13, 2017, 2:30 p.m....important to isolate females from males while they are still virgins. Females begin mating ~6 hours after hatching...the Classical Genetics Simulator website. One interesting thing to know is that males do not recombine ... of Fly Pushing by Ralph J. Greenspan. It’s a fantastic book for newbies on how to work with flies. ... convince him to use Twitter @jonchowphd but he still reads “#” as a “pound symbol”. Additional Resources... -
Transferable Skills: Negotiation
TypeBlog PostPublishedMarch 3, 2022, 2 p.m....as a creative problem-solving exercise? Asking questions like the below can help you understand the perspective... related to the actual data collection task but still be beneficial to both. Coming up with creative ...with the company so they know I’m excited while still being able to take my vacation? I want to learn ... How can I negotiate to show the company that investing in me is also beneficial to them? I have an idea... -
Twenty Years of Addgene Sharing: CRISPR
TypeBlog PostPublishedApril 18, 2024, 1:15 p.m....kinds of CRISPR tools people were depositing and requesting each year (Figure 2). We did a similar analysis...2012 to 2023; data are smoothed using locally estimated scatterplot smoothing. (C) Number of requests ...continue to develop and share new tools, while our requesting labs continue to request and use new tools. Because... each country. Countries shown are the top 10 requesting countries. FR=France; KR=South Korea; CH=Switzerland... -
Hot Plasmids and Viral Preps - May 2021
TypeBlog PostPublishedMay 18, 2021, 1:15 p.m....within a multi-tRNA synthetase complex, the team investigated whether the generated antibodies could bind ...myo-inositol oxygenase), providing enzyme protection while still allowing substrates and products to diffuse freely...encapsulated enzyme produced 20% more D-glucaric acid, suggesting that MPyV system can improve metabolic pathway... a ready-to-use viral prep in serotype AAV1. Distinguish dendritic neurites from axonal neurites with ... -
Academic vs. Industry Postdocs
TypeBlog PostPublishedNov. 13, 2018, 1:22 p.m....have specific web sites for postdoc listings, so the method of posting varies between companies. Like most...that they were having a positive experience, I was still incredibly nervous about leaving academia. A lot...seen listed as a requirement on some industry job postings. Also, if you work in industry for any length ... -
Starter guide to induced pluripotent stem cells (iPSCs) part 1: A renaissance in regenerative medicine
TypeBlog PostPublishedOct. 30, 2018, 1:04 p.m....disadvantages. Here is a table listing some of them: Characteristic ESC ASC Self-renewal High Low...promising therapeutic tools. The two unique characteristics that define stem cells are: Their ability... For many years, ESCs or ASCs were the only realistic options for scientists working in regenerative... -
Tips for a 1st time AAV user (by a Rookie AAV user)
TypeBlog PostPublishedOct. 23, 2018, 11:49 a.m....Restriction digest screening for ITR deletion is still necessary. To save time and money, I like to miniprep...Production protocol, I take a lazier approach for harvesting my AAV. I skip the PEG precipitation of the HEK293...PEG solution. PEG takes several hours on a heated stir plate to dissolve and requires monitoring so that...autoclaving, which also takes time. Rather than investing all of this effort in preparing reagents, I choose...