Skip to main content
Addgene

We narrowed to 986 results for: IGH@;

Showing: 521 - 560 of 986 results
  1. Year of the Camelid: Antibody Style

    Type
    Blog Post
    ...research". The family entered the biomedical field’s spotlight after researchers discovered heavy-chain only ...reading frame Ability to access unique epitopes with high affinity, due to a greater ability to target concave...cellular functions, like in this early example we highlighted back in 2015, where sdAbs were used to create...
  2. CRISPR 101: Drug discovery and CRISPR

    Type
    Blog Post
    ...toxic to both lines, it probably has either high toxicity or high off target effects, both of which make it... druggable target). Diseases with defined, straightforward causes (a specific mutation in a known gene...targets by CRISPR can accelerate the drug pipeline. High-throughput CRISPR screens can be used to inhibit...
  3. Addgene at the ASM Microbe 2016 Conference

    Type
    Blog Post
    ...Gates’ Foundation is involved with was one of the highlights of the conference. It was inspiring to see how...trusty spray bottles! We also raffled off one of our highly sought-after "nice genes…" tshirts, and the lucky...Fluorescence Labeling Plasmids from the Barbier lab). Bright and early on Saturday morning, John Doench’s opening...
  4. Management for Scientists: Managing vs. Leading

    Type
    Blog Post
    ...skills to get the work done efficiently and with high quality. Their work involves coordination and can...t mean going rogue, pointing out problems or highlighting criticisms. To be given the opportunity to take... by Peter Fuda and Richard Badham Leadership Insights for Engineers, Scientists and Computer Professionals...
  5. New and Upcoming Viral Vectors - December 2019

    Type
    Blog Post
    ...neuroscience with ever more efficient tools for light mediated neuronal control and we are expanding our...target photostimulation of axons and dendrites on neighboring neurons. We have also packaged hChR2(H134R) plasmids...apparent dopamine affinity, with 113050 offering high apparent affinity, and 113049 offering medium apparent...glutamate levels. iGluSnFR.A184S, a variant with higher affinity to glutamate, has been packaged into AAVrg...
  6. New Viral Vectors - Winter 2025

    Type
    Blog Post
    ...Bundling up for winter? The weather outside might be frightful, but browsing the 49 new preps available ...absolutely delightful. Grab a hot beverage and a blanket, then scroll on for some wintery delights!    Table...
  7. Science Careers: Unruly Interests Feed Many Paths

    Type
    Blog Post
    ...way? What ecosystem makes your heart sing with delight? From developmental biology to developing a career...example, how to use new technologies to reach the right audiences and how open access affects financial ...of scholarly publishing. And see for example the Eighth International Congress on Peer Review and Scientific...interested in the science communications world, you might consider an internship or a short program to build...
  8. Antibodies 101: Chimeric Antibodies

    Type
    Blog Post
    ...isotype converted, or chimeric, antibodies may be the right solution for you. Read on to learn more. What is...is an isotype? Antibodies are composed of light chains and heavy chains made up of variable regions and...097037-0.00017-8     Morelock, M. M., Rothlein, R., Bright, S. M., Robinson, M. K., Graham, E. T., Sabo, J...Polyclonal Antibodies Antibodies 101: Selecting the Right Antibody  ...
  9. Plasmids 101: TOPO Cloning

    Type
    Blog Post
    ...planning to transform right away OR you can store the reaction at -20C overnight. 4. Transform TOPO Cloning...and requires no post-PCR procedures. Sounds easy right? The technique relies on the basic ability of complementary...efficiency).  5. Select and Analyze 10 White or Light Blue Colonies: You can confirm the presence of your...
  10. Addgene's Top 10 Blog Posts of 2015

    Type
    Blog Post
    ... Addgenie Julian Taylor-Parker explains why you might want to use a specialized E. coli strain for protein... to an entirely new career path, a career coach might be able to help you. Head Addgenie Joanne Kamens...genome, you need to check whether you’ve made the right one. In this post, Addgenie Melina Fan guides us...guides us through some common controls and why you might need them. Happy Reading!   Resources on the Addgene...
  11. Advice for Moving Into Sales After Your Science Postdoc

    Type
    Blog Post
    ...This guest blog post was contributed by Seán Mac Fhearraigh, PhD, of www.phdadvice.com. I sold out, well ...Like a considerable number of researchers, I had high hopes of securing tenure in a British or Irish University...interviewed for 1 hour so having a broad enough insight was going to help me push both my scientific and...death assays. You can find Seán on twitter @Macfhearraigh.    Read more posts about Scientific Career ...
  12. Quantifying DNA? Here are Five DNA Quantification Methods to Consider

    Type
    Blog Post
    ...involves measuring the absorbance/transmission of light through a liquid to determine the concentration ...liquid. Molecules absorb different wavelengths of light to different degrees and many molecules have a specific...method takes more time to set up in the lab, you might not have to do the calculation yourself as many ...disadvantages of each method and when one method might be more suited than another. Additional resources...
  13. What Good Citizenship Can Do for Reproducibility in Science

    Type
    Blog Post
    ...is not just a question of being honest and straightforward, it’s an important part of being a “good scientific...work to figure them out. But, when they come to light, it’s clear that what the researchers thought was...still missing is a clear alignment of incentives. Right now, researchers are not strongly rewarded for being.... But it ought to be possible, and if we get it right, everyone in the scientific enterprise will benefit...
  14. DAP arrays for multiplex gene editing

    Type
    Blog Post
    ...to 3-loci MPE with similar high efficiencies, which is scalable for a higher number of MPE. Therapeutic...leader sequences of a given tRNA to achieve the highest efficiencies of multiplex editing at each site....Cas9-dependent off-target editing and do not cause higher Cas9-independent off-target editing in comparison...
  15. Viral Vectors 101: Inverted Terminal Repeats

    Type
    Blog Post
    ...sequences are from AAV2 because they demonstrate high promoter activity (Earley et al. 2020), but non-...downstream AAV applications.  Tips & FAQs Due to their high GC content and hairpin structures, ITRs are prone...rapidly replicate in a growth culture and result in a high percentage of plasmid DNA with mutated ITR sequences...Next-generation sequencing and Sanger sequencing might fail to correctly read through ITR sequences. GC...
  16. Plasmids 101: NGS Quality Control for Pooled Libraries

    Type
    Blog Post
    ...amplification and verification processes we use to ensure high-quality library distribution. You can also use these...amplification 101 Library amplification seems straightforward: E. coli bacteria are transformed with the ...a typical library, Addgene usually does four to eight electroporation reactions using a total of ~400ng.... Analyzing the reads is, again, seemingly straightforward – you need to count how many times each of ...
  17. Addgene Welcomes John Doench to the Advisory Board

    Type
    Blog Post
    ...protocol, get a result and hope it’s close to the right answer because if it’s not, well, your grade is ...the data look like... when it looks good, that’s a high that can last for several days.” Working with CRISPR...Doench thinks that the future of CRISPR will be in high throughput functional characterization of specific...plasmids, figure out what they do and what they might be able to do and to organize it and catalogue it...
  18. Plasmids 101: How to Verify Your Plasmid Using a Restriction Digest Analysis

    Type
    Blog Post
    ...have purified plasmid DNA, this method can be done right in your lab in less than a day. Diagnostic restriction...sequence if necessary. The example plasmid on the right has a total size of 7.3kb, including a 1.2 kb insert...recognition sequence. Most enzyme manufacturers make High Fidelity versions of the endonucleases and/or supply...you to visualize the DNA under ultraviolet (UV) light. Don’t forget to add loading buffer to your digest...
  19. Sweating the Small Stuff: Details in the Lab

    Type
    Blog Post
    ...labeling tubes never takes longer than 5 minutes, right?) As a result, I’d always end up stressed and rushing...add in personalized steps like “check drawers for light-sensitive reagents” or “re-sterilize now.” Have ...Moving your reagents from your left side to your right as you use them can help you remember what's been... Fig. 2: Blugene moves reagents from left to right as they use them.    Prevent Interruptions If...
  20. Communicating Your Science With Help From ComSciCon

    Type
    Blog Post
    ...succeed in communicating. Even the most rigorous, insightful, and novel scientific research will be wasted...your past work has prepared you to contribute at a high level to their team.  When you're writing a grant...anyone else in the world to do it.  In the lab, it might mean persuasively articulating why the results you've...to be reviewed by interdisciplinary panels.  And highly successful scientists need to communicate with ...
  21. A Deep Dive into BioBuilder

    Type
    Blog Post
    ...BioBuilder Educational Foundation in partnership with high school teachers to boost interest and understanding...what started in Cambridge with a handful of local high school teachers receiving training modules in synthetic...fall:  The BioBuilderClub BioBuilderClub engages high school teams around the world who combine engineering...and STEM-loving students include The BioBuilder High School Apprenticeship, preparing local (Massachusetts...
  22. Viral Vectors 101: Viral Applications

    Type
    Blog Post
    ...Viral integration of a construct is also reliably higher than traditional transfection and random genomic...transfection method. This is because viral systems have a high infection frequency and the viral titer (the number...responses in addition to antibody response 2) very high immunogenicity 3) and long-lasting immune response...treatment and gene therapy have also been in the limelight. The FDA approved the first oncolytic viral therapy...
  23. Addgene’s Viral Service - Why Virus? Why Now?

    Type
    Blog Post
    ...instrumental in helping us establish consistent, high-quality protocols for lentiviral production. Bryan...Janelia Research Campus have provided valuable insight into AAV production. Finally, we are blessed to...surveyed hundreds of scientists about various ways we might expand Addgene’s services. There was an overwhelmingly...helps scientists and allows us to maintain Addgene’s high quality standards?” Under the leadership of Addgene...
  24. REPLACR Mutagenesis: Replacing In Vitro Recombination Methods

    Type
    Blog Post
    ...disease. CRISPR has made genomic SDM relatively straightforward, but plasmid-based SDM has lagged behind. While...well, but poor template digestion can result in a high number of background colonies carrying the unmodified...plasmid is not maintained. Recombination efficiency is high enough to negate the need for selection usually ...introduce mutations. Using commercially available high-fidelity polymerases such as KOD and Phusion, which...
  25. Protein Tagging with CRISPR/Cas9: A Conversation with Mendenhall and Myers

    Type
    Blog Post
    ...Mendenhall: The benefits are two-fold: CRISPR/Cas9 offers high efficiency of inducing double strand breaks and ...weeks. CRISPR saves you a couple of months. It’s higher throughput and faster. It’s also easy to run things...transcription factors, but there are many reasons you might want a system like this. It’s actually surprising...with this antibody problem. We thought it was the right thing to do to put these out there. It’s a simple...
  26. Will You Be My Mentor? Finding and Asking for Mentoring Support

    Type
    Blog Post
    ...interested in following? Someone you admire for their insight and way of expressing it in meetings? The more ...advice. Your family and friends know you well and might have good ideas for who you should connect with....cautious and make sure to choose one that comes highly recommended from someone you trust. A good coach...compliment to ask someone to share their wisdom and they might just not have the time. Thank them anyway and move...
  27. CRISPR/Cas9 FAQs Answered!

    Type
    Blog Post
    ...that wildtype Cas9 with optimized chimeric gRNA has high efficiency but has been shown to have off-target...prefers a 'G' at the transcription start site to have high expression, so adding this G could help with expression... culture unless the targeting efficiency is very high. Q6: How should I design experiments for multiplexed...but the efficiency will be lower, although this might still be okay if you are introducing a selection...10.1016/j.cell.2013.08.021  Ran, F. A., Hsu, P. D., Wright, J., Agarwala, V., Scott, D. A., & Zhang, F. (2013...
  28. What's New in CRISPR - November 2021

    Type
    Blog Post
    ... edition of “What’s New in CRISPR” - where we highlight a few of the newest CRISPR plasmids available ...cells. The “V4” version (named CasMINI) had the highest activity for gene activation  and base editing,... not modify the Cas12f1 enzyme. The result is a highly efficient Cas system with very compact genome editors...
  29. Troubleshooting Your Plasmid Cloning Experiment

    Type
    Blog Post
    ...result in any cells, or all the colonies screened might not contain the correct plasmid. There’s a lot that... 24 bp with the template and if the sequence has high GC or AT content, increase the overlapping region...Full lawn of cells. The antibiotic in your plate might not work. Check the plates! Streak on them an E....t get any positive clone after these steps, you might want to reconsider your approach, and try a different...
  30. RaPID Detection of RNA-protein Interactions

    Type
    Blog Post
    ...interactions by cross-linking RNAs and proteins with UV light, followed by an antibody pulldown of a protein of...for Affinity Purification (CRAPome), to identify highly biotinylated background proteins reported by other...and identified QKI, an RNA-binding protein that’s highly expressed in neural progenitor cells. Knock-down...Response Element (IRE) RNA motif of the ferritin light chain RNA transcript. IRE motifs are bound by IRE...
  31. All in a Twist: dsRNA

    Type
    Blog Post
    ...RNA! Double stranded? Well, that’s just for DNA – right? RNA performs almost all of its biological functions...replication process. dsDNA viruses yield dsRNA through a slightly different mechanism thought to be associated with...always around. R-loops are particularly enriched in highly transcribed regions and repetitive regions, such...RNA:DNA hybrids levels are allowed to reach very high or low levels, possibly due to dysregulation of ...
  32. RANbodies: Reporter Nanobody Fusions

    Type
    Blog Post
    ... is weaker than reporter staining. Picking the right reporter for your RANBody While all three reporters... fluorescently labeled tyramide molecule into a highly reactive radical, which is then covalently linked...antigens. Spaghetti Monster Spaghetti Monsters are highly antigenic tags that have 10 HA or 10 MYC tags built... plasmids from Penn State Need help picking the right fluorescence microscopy technique to use? Check ...
  33. Rosella: A Fluorescent pH-Biosensor for Studying Autophagy

    Type
    Blog Post
    ...neutral pH compartment, ­­like the cytosol, to the higher pH of the vacuole. Read on to learn more about ...enzyme. Pho8 phosphatase activity or the molecular weight shift of Pho8 from its uncleaved to cleaved form... dual color-emission biosensor named after the brightly-coloured Australian parrot. It’s comprised of ...Oligomerization Seeing Red: Simple GFP Photoconversion Light Sheet Fluorescence Microscopy Additional Resources...
  34. CRISPRainbow and Genome Visualization

    Type
    Blog Post
    ...cyan, or magenta light. A gRNA with all 3 distinct hairpin sequences produces white light. Created with ...from red, blue, and green channels overlaid on a bright-field image. Image from Ma et al, 2016. Using... A gRNA with all three hairpins generates white light. All 6 gRNAs can be expressed in a single vector...
  35. Addgene's Tips for Plasmid Quality Control

    Type
    Blog Post
    ...plasmid verification, and using NCBI BLAST. Tips for high-throughput plasmid sequencing If you’re like us,...Sanger sequencing is done from glycerol stocks (overnight cultures with 15% glycerol), as opposed to purified...handling of large numbers of samples. When we grow overnight cultures for glycerol stock production and storage...can make your life much easier by selecting the right primer. This often starts by determining what features...
  36. Synthetic promoter AAVs for cell-type specific expression in retinal cells

    Type
    Blog Post
    ...initiation sites of at least two genes with high expression and high cell-type specificity.  Strategy #3 (ProC...promoter designs, promoters from strategy #4 had the highest rate of targeted expression. Surprisingly, <1% ...tracing experiments: While synthetic promoters with high rates of labeling are ideal of gene therapy applications...
  37. A Guide to Designing a Scientific Poster: Content, Layout, and More

    Type
    Blog Post
    ...acknowledgements sections. Some other additions you might wish to include are a references section, contact...navigate the poster from column to column left-to-right, which is the natural way that people expect to ...illustrations above) so that the color fades to a lighter or darker version of itself from the top of the...sure that the color of your font is compatible. Use high-contrast between these colors so that your text ...
Showing: 521 - 560 of 986 results