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We narrowed to 905 results for: NSI

Showing: 361 - 390 of 905 results
  1. Tips for Writing a Good Cover Letter

    Type
    Blog Post
    ...letters, while higher-level jobs are more likely to consider cover letters an important part of the application... content team, where writing is a core skill, considers cover letters to be very important. On the other...unofficial poll, hiring managers also said that they considered cover letters to be more important for higher-level...communication skills” try giving an example, like “I have extensive communication experience, having given more than...
  2. Avoiding the Dark Side of Fluorescent Protein Fusions with mOX FPs

    Type
    Blog Post
    ...Previously, we have described a number of practical considerations that should be taken into account when deciding...needs. Equally important, before cloning you must consider whether and how well your FP will function in ...fluorescent proteins in your experiments, please consider the following: How can one ensure that an FP ...compartments using CRISPR systems should strongly consider using moxFPs over standard FPs for the reasons...
  3. Tips for Using FRET in Your Experiments

    Type
    Blog Post
    ...using microscopy techniques. FRET measurement sensitivity makes it suitable for studying interactions within...are difficult to overcome but they have to be considered when analysing data from your FRET experiments... The simplest and the most popular one is the sensitised emission method, where the donor is excited by...acceptor fluorescence, this method is also less sensitive to direct acceptor excitation artifacts and it...
  4. An Integrin Antibody Toolkit from IPI

    Type
    Blog Post
    ...mechanisms, or ascertain which integrins are responsible for specific ligand-binding functions, all key...microenvironment. The actin cytoskeleton exerts tensile force, transmitted through the integrin, where ...recently showed RGD-binding integrins demanded higher tensions before they would enable cells to spread, resulting...symmetrical circles. While elucidating the role of tension, however, the researchers realized they needed ...
  5. New Optogenetic Tools for Cytoskeleton and Membrane Control

    Type
    Blog Post
    ...called a katana. Opto-katanin consists of two separate blue light-sensitive systems, VVDfast to control ...switch. You may be familiar with popular light-sensitive ion channels used to control activities like neuronal...in other contexts are sure to reveal even more insights. Super-duper lipid editor And if recruiting proteins...
  6. Cutting Once Is Harder Than It Sounds: Your Guide to Minimizing Off-Target Effects

    Type
    Blog Post
    ...concerns. Off-target effects are a matter of sensitivity. Therefore, the key question is not whether off-target...spacers) themselves have an inherent differential propensity to cleavage, and this often-overlooked factor...on-target efficiency of WT SpCas9 is below ~5–10%, consider selecting a different target. Remember, if WT ...off-target assays, which are time-consuming and expensive. A practical sgRNA design note When expressing...
  7. Hot Plasmids: February 2026

    Type
    Blog Post
    ...plasmids and found two (pAAV2/2 and pAAV2/5) that consistently produced higher yields than previous versions...dozens of AAV preps using these new backbones and consistently observe high yields across a wide range of transfer... (2025). Balancing off-target and on-target considerations for optimized Cas9 CRISPR knockout library ...#237812). Each graph depicts the mean fluorescence intensity of Anti-Neurexin-3-beta labeling for imaged cells...
  8. Antibodies 101: Single Chain Fragment Variables (scFvs)

    Type
    Blog Post
    ...system uses an scFv to amplify the fluorescence intensity of a tagged protein. SunTag has two components...scFv-GFP fusion bind the SunTag scaffold, the intensity of the fluorescent signal is boosted and enables...to the disulfide bond independent folding of intrinsically stable scFv. PLoS ONE 12:e0189964 . https://...which uses an scFv to amplify the fluorescence intensity of a tagged protein. Resources on Addgene.org...
  9. Filming Science Videos in the Age of Social Distancing

    Type
    Blog Post
    ...have, and we developed a great plan to start consistently knocking out high-quality videos for you all...two options: Film outside at a distance, or film inside with one person in a room. I wouldn’t be in there...live. After doing a bit of looking, I found an inexpensive HDMI transmitter that could transmit a signal... stand and mounted a monitor to it. It had an extension cord attached, with the option to mount a battery...
  10. CRISPR 101: Validating Your Genome Edit

    Type
    Blog Post
    ...screening strategy. Restriction enzyme screening is sensitive to single base pair changes, but the edit must...should be designed solely for restriction enzyme sensitivity or resistivity, and thus be a marker for edited...you’re worried about off-target effects, you can consider using a version of Cas9 that has been specifically... check out or blog on optimizing this step, or consider enriching for transfected cells by flow sorting...
  11. How to Negotiate a Successful Lab Start Up Budget

    Type
    Blog Post
    ... clients focus on their experimental needs and consider a budget as a resource checklist. A budget is ...centrifuges, sequencers and analyzers, and any ultra sensitive equipment (RT-PCR, Microscopy, Fluorescence Scopes...awry when several factors aren’t taken into consideration. 1. Always focus on the science When negotiating...However extreme a solution may seem, you should consider it if it will help you achieve your research goals...
  12. Recombinase-based State Machines Enable Order-dependent Logic in vivo

    Type
    Blog Post
    ... sequencing would be too expensive, then the qPCR method should be considered as an alternative. The qPCR...three-input GRSMs, we recommend using overlap extension PCR and Gibson assembly to piece together the ...circuits in general would benefit from a more comprehensive characterization of the recombinases at our ...
  13. A Control for All Seasons

    Type
    Blog Post
    ...the results across runs. If the results vary considerably, then the high degree of variability in the ...assays have their own unique controls that must be considered (Burry 2011). Perhaps the most critical are those...materials, lethality of knockdown, or other factors, consider using one of the alternative, albeit less ideal...signal remaining is autofluorescence and should be considered in the interpretation of results. Include the...
  14. Viral Vectors 101: AAV Variables That Matter

    Type
    Blog Post
    ...first.  AAV-mediated gene expression can differ extensively depending on the experimental system used, so...Watakabe et al., 2015) (Figure 1). You’ll need to consider if such properties could help, or harm, your experimental...occur (Fig. 3) - for example, some neurons can transiently express TH - so you’ll need to check for this...injection volume.  There are a few factors to consider. First, the titer required is inversely related...
  15. Plasmids 101: Repressible Promoters

    Type
    Blog Post
    ... have engineered pADH1 variants that are less sensitive to ethanol, including the “middle” ADH1 promoter...systems. Binary systems are genetic tools that consist of two parts, both of which must be present for...results in chimeric GAL80-repressible and GAL80-insensitive activators of lexAop. This system is commonly...expression in mammalian cells by tetracycline-responsive promoters. Proc Natl Acad Sci U S A. 1992 Jun...
  16. Plasmids 101: Using Transposons in the Lab

    Type
    Blog Post
    ...encode a transposase enzyme.  Class I TEs are considered replicative since every time they jump they make...transcription start sites, CpG islands, and DNaseI hypersensitivity sites. Like Sleeping Beauty, piggyBac has ...transcription start sites, CpG islands, and DNaseI hypersensitivity sites. Tol2 is only active in vertebrates ...site preference and host range are important to consider when selecting a transposon for a mutagenesis ...
  17. Lambda Red: A Homologous Recombination-based Technique for Genetic Engineering

    Type
    Blog Post
    ...Application Recombination Frequency Special Considerations dsDNA Insertion or deletion of >20 nucleotides...CI. For recombineering purposes, a temperature sensitive version of the repressor gene, CI857, is used....express lambda red genes from a plasmid with a heat sensitive origin of replication.  Once the recombineering...expression of the int and xis genes which are responsible for excision of mini-λ from the host’s chromosome...
  18. With an Eye Towards the Future, We Look Back at the March for Science

    Type
    Blog Post
    ...life-saving research are being proposed.  It's our responsibility to join the public conversation and to tell...scientists – including global warming skeptics – insisted that more data and research funding are critical...towards starting these conversations; it is our responsibility to continue the dialogue. Erin Golden is currently...continue to worry) that most who participated will consider that marching in and of itself will be enough....
  19. Typing CRISPR Systems

    Type
    Blog Post
    ...and understanding of CRISPR, and perhaps provide insights and ideas for your own research! Classification...with BioRender.com.   Type III Type III is considered the most complex of the CRISPR types and is thought...et al., 2021). IV-A and IV-B lack what you may consider to be an integral component of CRISPR — a nuclease...2021). Evolution of Type IV CRISPR-Cas Systems: Insights from CRISPR Loci in Integrative Conjugative Elements...
  20. Plasmids 101: Modular Cloning Applications and Kits

    Type
    Blog Post
    ...wherein multi-part assembly can occur. It is quite extensive with a supplemental add-on kit and is compatible...William M., et al. “A Multiplex MoClo Toolkit for Extensive and Flexible Engineering of Saccharomyces Cerevisiae....pone.0197185. Chamness, James C., et al. “An Extensible Vector Toolkit and Parts Library for Advanced...2024.02.16.580396. Martella, Andrea, et al. “EMMA: An Extensible Mammalian Modular Assembly Toolkit for the Rapid...
  21. Transfection for Recombinant Antibodies

    Type
    Protocol
    ...the cell density and viability: Using a 5 mL pipette, transfer 0.5 mL of HEK293 cell suspension into a ...microcentrifuge tube. Vortex the cell suspension. Transfer 10 µL of cell suspension into the microfuge tube containing...Protocol Introduction Transfections allow for transient expression of a gene of interest in cell culture...culture. This protocol describes how to transfect suspension HEK293 cells with recombinant antibody plasmids...support reproducibility in science. General Considerations For antibody-expressing plasmids containing...antigen (EBNA). Safety Warnings HEK293 cells are considered biosafety level 2. Please ensure that you are...transfecting, seed a 108 mL culture of HEK293 cells at a density of 0.9 x 10 6 cells/mL in a 500 mL vented flask.Incubate...
  22. Addgene’s New Way to Help You Share Science

    Type
    Blog Post
    ... with “A Better Way to Share Science” for: The inside scoop from scientists who have deposited plasmids...latest technologies and breakthrough research. Insights about how to navigate through all stages of your...and Facebook. We’ll track down the story, get the inside scoop, and keep you informed.  ...
  23. Alex Chavez on MD PhDs, CRISPR, Gene Drives, & More

    Type
    Blog Post
    ...Listen to this episode for insights into the process of getting an MD PhD, the inside scoop on developing new... MD PhD we've had on the podcast, has worked extensively with CRISPR, and recently became a member of ...
  24. The CRISPR Software Matchmaker: A New Tool for Choosing the Best CRISPR Software for Your Needs

    Type
    Blog Post
    ...and on-targeting likely more efficient.  These insights are hard to appreciate without computational support...tools The goal of this post is to provide some insight into available CRISPR software tools, what problems... software tools that apply some approximate or sensible rules to determine the value of one sgRNA design...functions are not entirely necessary but should be considered extremely useful, depending on design goals. ...
  25. Michael Koeris' Journey from Grad Student to Entrepreneur: The Story of Sample 6

    Type
    Blog Post
    ...transformation into Sample 6 and Dr. Koeris' own transition from graduate student to entrepreneur, listen...founding a startup company? 32:20 - 34:37 : Whose responsibility is it to take on the risk of developing products...37-36:53 : Was It difficult for Dr. Koeris to transition from developing therapeutics to developing a ...
  26. A Scientist's Guide to Ebola

    Type
    Blog Post
    ...week within two months. That said, Ebola is not considered a “terribly infectious disease” – infection occurs...via body fluids not through the air and that’s considered unlikely to change – but the illness has been... critical for viral attachment and fusion. Once inside a host cell, new evidence in PLoS Pathogens shows...
  27. Keeping Up With CRISPR/Cas9

    Type
    Blog Post
    ...quoted as saying when the news first broke. "Considering that many human diseases are caused by genetic...presented the first detailed picture of Cas9's three-dimensional shape via x-ray crystallography, an advance they... and mainstream the news on CRISPR has gotten, consider these headlines in The New York Times and Forbes...
  28. Fluorescent Proteins 101: History of Fluorescent Proteins

    Type
    Blog Post
    ...right! He began to study the A. victoria gene responsible for encoding GFP, and, in 1992, he reported its...hypothesized that GFP-like proteins could be responsible and began studying these marine organisms to ... fell into place, as they, taken alongside the insights provided by the studies in Tsien lab, covered ...
  29. Download Addgene’s Science Career Guide, Plus 8 Career Tips from Addgenies

    Type
    Blog Post
    ...compiled our top career blog posts into one comprehensive, downloadable guide: the Addgene Science Career...you’d like to see discussed on the Addgene blog, consider writing a guest post. Additional resources on... Find job listings at Addgene Get more career insight from Addgenies ...
  30. Quick, Versatile Plant Transgenesis with GreenGate Plasmids

    Type
    Blog Post
    ...number of building blocks with just two or three inexpensive enzymes. Now, a new toolkit - aptly named GreenGate...endonuclease of choice, BsaI, which can be very sensitive to temperature fluctuations. He says their lab...problem back to the endonuclease. “It’s just a sensitive protein,” he says. “There is nothing you can do...
Showing: 361 - 390 of 905 results