Skip to main content
Addgene
Open Menu

Enter a sequence to perform a BLAST-based search of Addgene plasmid sequence databases.

Information

In Category

We narrowed to 1,022 results for: NTS

Showing: 241 - 260 of 1022 results

  1. Savvy Advocates Needed to Navigate a Scientific Enterprise in Flux

    Type
    Blog Post
    ...particular, two recent events have the potential to influence both graduate students and postdocs broadly... Board to allow graduate students who work as teaching or research assistants to join unions. The topic...example, Yale graduate students filed for union elections in only 10 departments across the university....flexibility to address the unique needs of students from different departments across the university and alterations...advocacy skills “bootcamp” for a focused group of participants. More information can be found at http://futureofresearch.org...F1000Research, 2014; Dolan, F100Research, 2016). These events have also started progress towards solutions. The...which several projects were initiated. Recent developments promise to further change the landscape facing...

  2. Creating accessible biology activities in schools with BioBits

    Type
    Blog Post
    ...works in the lab knows how expensive tiny amounts of reagents are, how complicated (and again, expensive...FD-CF pellets are easy for students to use in the classroom because the students simply need to add water...Most importantly, experiments for FD-CF reactions can be fun and engaging for students. In our BioBits ...example, we’ve designed FD-CF experiments that result in outputs that students can easily sense, whether ...consider using some elements of BioBits to transition your undergraduate students from the classroom to...had this kind of experience earlier! After all, students build circuits in physics class to learn about...funding and the resources to provide them to their students. My desire to create a set of low-cost, easy-to-use...

  3. Pushing the Limits of DNA Assembly

    Type
    Blog Post
    ...minimal upfront requirements and allows you to expediently join multiple synthetic fragments, create multiple...refers to a method of physically joining multiple fragments of DNA to create a synthetically designed DNA ...multiple mutations in one or multiple fragments, and generate constructs for producing single-guide RNAs... yielding scarless DNA assembly, and allowing fragments to be taken directly from restriction enzyme digests...the absolute end of a fragment. This means that fragments (containing regions of homology) cut from plasmids...planning. This cloning methodology requires that the fragments to be joined contain regions of homology at, or...homology can be contained within the individual fragments themselves, but doesn’t necessarily have to be...

  4. Mesothelioma - Causes, Symptoms, and Treatment

    Type
    Blog Post
    ...well treatments are working to fight the cancer.  Beyond early modifications to standard treatments and...are running out of hope with more traditional treatments, such as surgery, radiation, and chemotherapy...sufferers can see great promise in up and coming treatments like immunotherapy. Mesothelioma Mesothelioma...and late discovery mean that most mesothelioma patients have an extremely poor prognosis. Together, the...disease with only about 3,000 new mesothelioma patients diagnosed every year in the US. Therefore, mesothelioma...many forms of cancer, the primary conventional treatments for mesothelioma include surgery to remove cancerous...cases the cancer is diagnosed so late that these treatments do not work very well. The best option in such...

  5. Antibodies 101: Antibody Engineering and Directed Evolution

    Type
    Blog Post
    ...directly as therapeutic agents or serve as vehicles for delivering other treatments, their efficacy can be...library of mutants and how they are screened. When conducting antibody evolution experiments, you’ll typically...bioengineering is antibody engineering, to improve reagents and therapeutics. What is antibody engineering...tools are, the better the reproducibility of experiments and the validity of conclusions. Antibody engineering...allows for more efficient and targeted delivery of treatments, ultimately increasing treatment effectiveness...chimeric antibodies, and smaller engineered antibody fragments. One technique we haven’t discussed in depth is...including chimerization, conjugation, and antibody fragments. Fab: fragment antigen binding; Fc: fragment crystallizable...

  6. Tips for Getting a Faculty Position

    Type
    Blog Post
    ...failure to clearly articulate one's talents and ideas. Some key points from my ebook, "Applying for a Faculty...success is publications and grants. 2. Write succinct and easy to understand documents A common misconception...example documents. This part has generated a lot of positive feedback. Many of these documents are too...sections, along with new thoughts on research statements. Snapp, who is always looking for ways to improve...improve his eBook, adds: "If you have any questions, comments or suggestions, please do not hesitate to email... members will NOT be in your area. Therefore, documents need to minimize jargon. Equally importantly, ...seminar See item 2. Attendees will include grad students (that are solicited for feedback), possibly the...

  7. CRISPR 101: Cytosine and Adenine Base Editors

    Type
    Blog Post
    ...Kim et al., 2017 SaBE3, BE3 PAM variants, BE3 editing window variants   Greatly expands the number of ...editing work? Base transition editing requires three elements. They are, broadly: A Cas protein (catalytically...editing window specified by the Cas protein These elements were the starting point towards the development...inhibitor of uracil DNA glycosylase (UGI) to dCas9 prevents base excision repair, which would change the U...development of BE3, many research groups have made improvements to base editors, including: expanding targeting...upstream of the PAM.  David Liu’s lab generated BE3 variants with other deaminases: AID, CDA1, and APOBEC3G... Liu lab also used natural and engineered Cas9 variants to develop five new base editors with distinct...

  8. PhD Applications After COVID

    Type
    Blog Post
    ...department worked with students to maintain these time goals during COVID-19? How are students funded? Are there... outside of just the program requirements: by talking to current students about the work environment and...and standards for hybrid, virtual, and in-person events change seemingly daily (and are inconsistent between... you’re applying to a school that requires its students to do rotations in different labs before selecting... universities offer free practice sessions for students doing virtual interviews, so check if yours does...keep yourself organized. By writing down your key points and keeping them at-hand, you can quickly reference...universities typically invite a select group of students to continue the application process through a ...

  9. CRISPR 101: Mammalian Expression Systems and Delivery Methods

    Type
    Blog Post
    ...compatible with all your components. Next, consider the best form for those CRISPR components based on your model...introducing those CRISPR components into your target cells. Delivery of these components into mammalian cell...considered during the planning process. For CRISPR experiments, the following framework can help get you started...most effectively achieved with different CRISPR components. Select the appropriate CRISPR tools for your...will you be editing? Do you want to deliver the components as DNA, or would mRNA or protein delivery be ...of the first steps is to identify what CRISPR components you will need to deliver. Minimally, one or more...model system. CRISPR reagents can be delivered via transfection, nucleofection, viral transduction or ...

  10. New Neuroscience Tool: The iGluSnFR3 Glutamate Sensor

    Type
    Blog Post
    ...green (v857) variants differing in kinetics, affinity, and ∆F/F0. Introduce the two variants in three different...The new iGluSnFR3 variants should enable scientists to robustly detect signaling events in the brain and...models. Furthermore, they created three affinity variants – A184S (increased affinity for glutamate), S72A...iGluSnFR had limitations: they were not optimal for experiments requiring high signal to noise ratios, imaging...imaging of high frequency glutamate signaling events, and accurately differentiating between synaptic vs. ...Kaspar Podgorski’s lab have recently made iGluSnFR3 variants that are more sensitive and better localized for...predecessors. The detailed characterization of the new variants is available here. Upgrades to iGluSnFR3 To improve...

  11. Don’t FRET: Bimolecular Fluorescence Complementation Makes Visualizing Protein-Protein Interactions Easy

    Type
    Blog Post
    ...split into two fragments that individually lack fluorescence. When complementary FP fragments are fused to...construction Fusing FP fragments to your PIPs requires careful selection of FP fragments and, preferably, some...that underlie protein function. However, FRET experiments can be difficult to implement in practice because...hypothesized protein interaction partners (PIPs), the FP fragments form the complete FP because the PIPs they’re ...small-molecule inhibitors of a particular PPI. In such experiments, small-molecule inhibitors are tested in parallel...Design a BiFC Experiment Much like FRET, BiFC experiments must be carefully optimized to be successful....will allow you to determine where to fuse the FP fragments. In the absence of this information, you can fuse...

  12. A Deep Dive into BioBuilder

    Type
    Blog Post
    ...more and more students are asking. Teachers are also asking, “How do I engage my students in real-world...the study of synthetic biology into the hands of students and teachers in the U.S. and beyond. “I want to...programs all focused on current questions and experiments in the field of synthetic biology. Founded as...excitement found through experiential learning. “Students may forget the technical details they hear in ...their classes,” she said, “but they remember the moments when they discover something new for themselves...asked in MIT’s research labs, BioBuilder inspires students and teachers to apply engineering principles to... biology and transforms them into modules that students and teachers can investigate together. Teachers...

  14. Sequencing Options for CRISPR Genotyping

    Type
    Blog Post
    ... This means they do not reliably detect editing events that occur in less that 5% of the population (Fu...standardized thresholds for validating CRISPR experiments, many are turning to next-generation sequencing...genome predicted to contain off-target cleavage events. Unbiased techniques search the whole genome for...Frequencies of off-target mutations are essential data points for investigators looking to definitively link ...irreproducible data in a research setting, but these events could have disastrous health effects in the clinic...current algorithms do not take into account other elements, including those relating to DNA structure (e....and HTGTS (Frock et al. 2015) for cell-based experiments. These strategies can be used in concert with...

  15. Advice on Career Paths and the Green Card Process for International Researchers and Entrepreneurs

    Type
    Blog Post
    ...threshold requirements: (1) that you have international recognition for your outstanding achievements in your...whenever you have new accomplishments to add. Obtain copies and translations of documents that are not in English... candidate meets the requirements set forth by USCIS before engaging with clients. To learn more, visit..., Esq. Founder of Casseus Law. Disclaimer: The contents of this post are intended to convey general information...and not to provide legal advice or opinions. The contents of this post should not be relied upon for legal...presented may not reflect the most current legal developments.  Further, this post may contain technical inaccuracies...actions taken or not taken based on any or all the contents of this post.  An attorney should be contacted...

  16. CRISPR 101: Ribonucleoprotein (RNP) Delivery

    Type
    Blog Post
    ...CRISPR experiments that involve HDR, electroporation can be combined with cell-type specific reagents in ...RNP-mediated CRISPR experiments While using Cas9-gRNA RNPs for CRISPR experiments can reduce many potential...result, RNP mediated CRISPR experiments may not be suitable for experiments where stable Cas9 expression...experiment requires delivery of, at minimum, two components: the Cas9 protein and a guide RNA (gRNA) targeting...are many advantages to using RNPs for CRISPR experiments. The RNP method can often be used in cells that...generation or homologous recombination.  However, experiments that require long-term expression of Cas9, such... by commercial vendors such as IDT. These two components are then incubated together to form the RNP. ...

  17. Replacing Paper: Tips for Choosing an Electronic lab Notebook

    Type
    Blog Post
    ...work with your colleagues, supervisors, clients or even students, your ELN should allow you to collaborate...paper-based record keeping barely copes with the growing amounts of digital data generated in labs. While many labs...different ELN features, ranging from whether respondents saw them as not important to very important. ...explored the barriers to adoption within academic environments to better understand the issues labs are facing...limited budgets, “a large percentage of survey respondents indicated that cost was a significant barrier...system within their institution. In the study, respondents were also asked about how important ease of use...from paper to digital for example): “… 99% of respondents indicated that ease of use would influence their...

  18. Antibodies 101: Introduction to Gating in Flow Cytometry

    Type
    Blog Post
    ...with two measurements: forward scatter (FSC) and side scatter (SSC). To acquire these measurements, the cytometer...precisely measure your cells of interest. In many experiments you’ll be working with a heterogeneous cell population...describe the shape of a histogram, which graphically represents the time and intensity of the cell’s illumination...cytometry can be used for virtually all kinds of experiments and research fields, for any experiment, your...cells, the single cell gate to exclude duplicate events, and the Live/Dead gate to focus your analysis ... As an example, we’ll use one of my previous experiments where I harvested a melanoma tumor from a C57BL...my lymphocyte population (10.7% of all recorded events) based on their expected size. The strong signals...

  19. Plasmids 101: 5 factors to help you choose the right cloning method

    Type
    Blog Post
    ... your protocols, designed your experiments, and prepared your reagents. You’re going to engineer the best...assemble up to 6 different fragments in a prescribed order. These fragments can be pooled in one tube ...PCR to generate DNA fragments with 15-40 bp of homology at their ends. These fragments are then combined...methods are more amenable to combining multiple DNA fragments than others. In today’s post, we will focus on...in an hour or less. The ligations combine the fragments in an order determined by their homology. You ...cloning process. Time spent actually doing the experiments are also generally comparable so the best way...optimize reagent concentration, or purify DNA fragments from gels. If you’re relatively new to the cloning...

  20. Antibodies 101: Avoiding the Mouse on Mouse Mess in IHC

    Type
    Blog Post
    ...problem.  Pre-block with Fab fragments (Figure 2C) Speaking of Fab fragments… Another strategy for species-on-species...been bound up by the Fab fragments. Note that you should plan to use Fab fragments that are from the same...should not recognize Fab fragments from the same species and 2) these fragments will be more likely to ...include no primary antibody controls in your experiments. If you do find high levels of background staining...that is directly conjugated to your reporter circumvents the issue. However, directly conjugated primary...pre-treating the tissue with unconjugated Fab fragments that recognize the endogenous IgGs (Lu and Partridge...Partridge, 1998). After washing away unbound fragments, you can then apply your primary and secondary antibodies...
Showing: 241 - 260 of 1022 results