We narrowed to 789 results for: OMP;
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TypeBlog PostPublishedAug. 11, 2016, 2:23 p.m.... don't do anything. Viruses are complicated and they perform complex biological tasks, both of which ...undergo DNA rearrangements. Depending on the composition of the viral vector and the repeat sequences ...perform a diagnostic restriction enzyme digest and compare it to some reliable controls. 2. Viral stocks may...ensuring viral production is to perform PCR against components of the viral vector using the harvested viral...
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Tips for Titering Your Lentiviral Preps
TypeBlog PostPublishedMarch 15, 2016, 2:30 p.m....benefits and drawbacks of different methods (for comprehensive protocols for all of the methods discussed here...quantified using qPCR primers targeting specific viral components such as LTRs, gag, WPRE, antibiotic resistance-genes...genomic DNA isolated, and primers targetting viral components or the transgene itself are used to quantify ...critical that standard conditions be used when comparing different batches of virus. In addition, some ...PMID: 19300443. 2. Geraerts, Martine, et al. "Comparison of lentiviral vector titration methods."BMC biotechnology... -
Story of a SynBio Startup: RevBio's Epiphany (or Lack Thereof)
TypeBlog PostPublishedJune 5, 2014, 3:32 p.m....Revolution Bioengineering. Last year we started a company. Revolution Bioengineering is two responsible adults...attend conferences makes it very challenging to compete in today’s tough academic or industry job market... this technology and angry at the agriculture companies that produce GMO food plants. When a press piece... – although we didn’t figure out how we would accomplish the color change until a few months later. RevBio... of our business, because we are building this company, and that’s what we want it to do. It’s exhilarating... -
Pooled Library Amplifications
TypeBlog PostPublishedMay 30, 2024, 1:30 p.m....plasmids, they are generally electroporated into electrocompetent cells to ensure the highest possible transformation...use for your transformation(s). The amount of competent cells you need total and per transformation may...liquid culture, all of the bacteria can grow and compete in the same container, making it easier for a smaller...be its own colony, and will not be in direct competition with other colonies containing smaller, recombined...used for libraries that are similar in size and composition as examples. Table 1 provides an overview of ... -
PCR Applications for Copy Number Variation Assays
TypeBlog PostPublishedApril 26, 2022, 1:15 p.m....expression baseline. Copy number is then determined by comparing results to a standard curve. For CNV assays, it...gives an absolute value of DNA concentration. By comparing the number of positive droplets for the gene of... through concentration values, rather than by comparison to a standard curve, and most results can be ...determination to move forward with your experiment? Complexity of the gene of interest Some gene sequences ... S., Hollox, E. J., & Boon Peng, H. (2015). A comparison of assays for accurate copy number measurement... -
Genome-wide Screening Using CRISPR
TypeBlog PostPublishedAug. 18, 2015, 2:30 p.m.... pooled CRISPR library is a complex mixture. Pooled libraries are composed of many different gRNA-containing... and versatility. CRISPR/Cas9 consists of two components: the non-specific endonuclease (Cas9) and a single...any genomic locus, provided the target is unique compared to the rest of the genome and located immediately...distribution is analyzed in the drug-resistant population compared to a non-treated control group. In this scenario... -
Antibodies 101: Producing Recombinant Antibodies
TypeBlog PostPublishedAug. 13, 2024, 1:15 p.m....you’ll want to ensure that your buffer components are compatible with your conjugate and conjugation chemistry...the assay. Where possible, it can be useful to compare recombinant antibodies to their parental hybridomas...majority of antibodies are still equally effective compared to those aliquots frozen immediately post-harvest...Chen E, Haidar JN, Srivastava A, Goldstein J. Comparison of predicted extinction coefficients of monoclonal... -
Getting to Know Expansion Microscopy
TypeBlog PostPublishedJune 20, 2023, 1:15 p.m....will link biomolecules to the gel and add gel components to polymerize. Step 3: digest the sample to allow...labels you could use. But many ExM protocols are compatible with conventional antibodies, chemical dyes, ...and least flexible one. Tissue expansion is not compatible with in vivo applications and there’s just not...isotropic expansion depends on how well the gel components penetrate the sample, how well the gel polymerizes... valuable tool, especially when paired with complementary experimental approaches. Since it arrived on... -
MXS Chaining
TypeBlog PostPublishedFeb. 7, 2017, 3:30 p.m....one such technique and has been used to produce complex fluorescent reporter constructs. These fluorescent...gene-expression sequences, and more. By combining these components, one can generate constructs to visualize cell...terminus or the 3’ terminus of the ligation product. Comparison to other high throughput cloning strategies There...modules, because neighboring fragments require compatible cohesive ends Engler et al., 2008 Gibson Cloning...facilitate the construction of plasmids with many components. The creators of the MXS-chaining method have... -
DNA Purification Without a Kit
TypeBlog PostPublishedFeb. 11, 2020, 2:15 p.m.... takes 1-1.5 hours to complete, while this syringe-based method can be completed in 20 to 30 minutes. ...PCR buffer, where DNA or RNA can be amplified. Compared to a commercial magnetic bead-based kit, this ...this did not reduce cloning efficiencies. When compared to fresh columns, regenerated columns had similar... reduce the number of spin columns you need to complete your research. Do you know of other nucleic acid... -
SciComm: Taking Science to Elementary and Middle Schools
TypeBlog PostPublishedJuly 9, 2019, 12:52 p.m....feel comfortable speaking on topics that would compliment the STEM curriculum. As it happened, I’d met ...simplistic and I would insult the students. Too complicated and I would quickly lose their interest. I won...careful to keep it relatively simple. I honed the complexity of the talk by running it by the teachers and... For CRISPR, I focused on the fact that, like computers and the internet before it, genome engineering...posts Resources on Addgene.org Check out our comprehensive CRISPR guide Find CRISPR plasmids and resources... -
A Career in Grants: How To Become a Grant Professional
TypeBlog PostPublishedAug. 20, 2015, 2:30 p.m....collaborations, and commitments to and proof of compliance with the grantor’s requirements as well as state...reports are submitted and project evaluations are completed. To enter and advance the profession, you can ...Professional Development Strategy to increase your competencies and skills in the grants profession. Your professional... and the candidate’s knowledge of the 8 core competencies through a multiple choice exam. The bottom ...grant professionals and to build your skills and competencies. Becoming a grant professional is rewarding ... -
Plasmids 101: Protein tags
TypeBlog PostPublishedDec. 11, 2014, 4:26 p.m....into a translated protein. As depicted in the accompanying cartoon, they have a multitude of uses including...TAP) once referred specifically to a combo tag comprised of a calmodulin binding peptide (CBP), a TEV cleavage...ProtA IgG-binding domains. TAP has since come to encompass several other tag combinations, though frequently...and Gly residues This article is not a comprehensive guide to all tags, but rather a quick overview...Biotechnology Journal 2012 , (7): 620-634. Full Text A complete list of free handbooks for protein purification... -
Tips for Writing a Good Cover Letter
TypeBlog PostPublishedMay 21, 2024, 1:30 p.m....applying to the specific company or lab. Take some time to research the lab or company via their papers and...place to state why you’re applying to the job, company, and/or lab, and how you feel connected to their...apply for [title of the position] at [name of the company/organization]. I am a [adjective that describes... are interested in working for this lab and/or company. Remember to proofread your cover letter, and ... -
Using Video to Share Your Science: We Share Science
TypeBlog PostPublishedNov. 3, 2016, 2:30 p.m....fields in order to provide useful solutions to complex challenges. As a cross-disciplinary researcher,...Many of the challenges in science today are too complex for any single discipline to solve them on their... disciplines leading the way, the future of complementing published research with video overviews was ...may never access online journals or even use a computer. Currently, two of the more popular biology videos...derived from research. The platform uses video to complement traditional print journals and expand our ability... -
Transferable Skills Guide: Creativity
TypeBlog PostPublishedJan. 18, 2022, 2:15 p.m....brainstorm session is to start with something completely unrelated to the issue and consider how it could...unique solutions to the same problem. If your lab/company/team is still working towards a culture of encouraging...just as valuable! In 2019, Addgene implemented a company-wide New Ideas Survey. Anyone could fill out the...of which, when implemented, impacted the entire company. It is important to note that the person who submitted... is an incredibly innovative group. Our entire company benefits from their policy! Perfectionism When ... -
CRISPR-based Genome Editing Systems For Editing in E. coli
TypeBlog PostPublishedApril 13, 2021, 1:15 p.m....sgRNA targeting the genomic site of interest. We compared the pCas/pTargetF system with the updated pEcCas...system. Advantages of the pEcCas/pEcgRNA system Compared with the original system, the pEcCas/pEcgRNA is...strategy for plasmid curing, providing users with a complete editing process. The MUCICAT system While the ...dehydrogenase expression that is 2.6 times higher when compared to the industrial strain. In our metabolic engineering... pQCascade) with 4 rounds of transformation to complete the N-acetylglucosamine strain library construction... -
Supporting Reproducibility with a Connected ELN
TypeBlog PostPublishedJan. 17, 2019, 1:38 p.m.... research compiled in the ELN. Without such references the record of research is incomplete, making it...commercialization office, the CIO’s office, and research computing. The two guiding principles emerging from the ...the record of research captured in the ELN is incomplete. Thus, to support reproducibility an ELN should...select and deposit individual documents or more complex datasets into the desired repository. They also... -
Transferable Skills Guide: Career Planning Resources
TypeBlog PostPublishedNov. 14, 2017, 2 p.m....necessarily mean that you are a future employee of the company. It does, however, offer you an opportunity to ...like to work, get online and take a look at the company or institution’s career page, where you’re likely...openings. A good approach is to do this first for companies at which you’ve already made a personal connection...result in a recruiter giving you a call. Many companies enlist the assistance of recruiters for identifying...development center, if one exists. Get online! Review company and institution career pages. Make yourself visible... -
Neuronal labeling with Spaghetti Monster
TypeBlog PostPublishedAug. 14, 2018, 12:42 p.m.... The central nervous system (CNS) orchestrates complex processes enabling organisms to control their movements...-tag and, more recently, OLLAS (Escherichia coli OmpF linker and mouse langerin) and Sun Tag (Viswanathan...in order to be expressed stably in neurons. As compared to epitopes tags, FPs are intrinsically fluorescent...fluorescent proteins (smFPs). smFPs are literally composed of FPs fused to multiple epitope tags. Indeed,... structure resembles images of the deity (see comparison image above). The church of the Flying Spaghetti...