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Showing: 521 - 540 of 980 results
  1. Plasmids 101: TOPO Cloning

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    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...
  2. Antibodies 101: Chimeric Antibodies

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    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  ...
  3. New and Upcoming Viral Vectors - December 2019

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    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...
  4. New Viral Vectors - Winter 2025

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    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...
  5. Science Careers: Unruly Interests Feed Many Paths

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    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...
  6. Addgene's Top 10 Blog Posts of 2015

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    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...
  7. Advice for Moving Into Sales After Your Science Postdoc

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    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 ...
  8. Plasmids 101: NGS Quality Control for Pooled Libraries

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    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 ...
  9. Quantifying DNA? Here are Five DNA Quantification Methods to Consider

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    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...
  10. DAP arrays for multiplex gene editing

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    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...
  11. What Good Citizenship Can Do for Reproducibility in Science

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    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...
  12. Viral Vectors 101: Inverted Terminal Repeats

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    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...
  13. Addgene Welcomes John Doench to the Advisory Board

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    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...
  14. Plasmids 101: How to Verify Your Plasmid Using a Restriction Digest Analysis

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    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...
  15. Communicating Your Science With Help From ComSciCon

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    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 ...
  16. Addgene’s Viral Service - Why Virus? Why Now?

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    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...
  17. Viral Vectors 101: Viral Applications

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    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...
  18. Sweating the Small Stuff: Details in the Lab

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    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...
  19. A Deep Dive into BioBuilder

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    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...
  20. REPLACR Mutagenesis: Replacing In Vitro Recombination Methods

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    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...
Showing: 521 - 540 of 980 results