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We narrowed to 855 results for: ple

Showing: 481 - 500 of 855 results

  1. Antibodies 101: Antibody Engineering and Directed Evolution

    Type
    Blog Post
    Published
    Aug. 5, 2025, 1:15 p.m.
    ...methods. (A) Basic structure of an antibody. (B) Examples of engineered antibodies, including chimerization...achieve whatever goal you’re aiming for. When you complete each cycle, your best-performing mutant is usually...or predicted structure of your antibody-antigen complex as a template. This structural framework then guides...specific functionality you’re looking for. For example, if you were aiming to increase an antibody’s binding...conditions. These methods are especially powerful when coupled with iterative rounds of selection and mutagenesis...

  2. FLEx Technology and Optogenetics: Flipping the switch on gene expression with high spatial and temporal resolution

    Type
    Blog Post
    Published
    Oct. 17, 2019, 12:28 p.m.
    ...Bernstein and Boyden, 2011; Mei and Zhang, 2012). For example, blue light activates channelrhodopsins that, in...Abdallah et al., 2018; Deubner et al., 2019). For example, Taylor and colleagues used rAAV FLEx-based vectors... Han, 2016). Not so long ago, however, it was completely unclear which subpopulation of DA neurons could.... "A FLEX switch targets Channelrhodopsin-2 to multiple cell types for imaging and long-range circuit ...Walther Stoeckenius. "Rhodopsin-like protein from the purple membrane of Halobacterium halobium." Nature new...

  3. Lambda Red: A Homologous Recombination-based Technique for Genetic Engineering

    Type
    Blog Post
    Published
    Dec. 15, 2016, 3:57 p.m.
    ...generate 2 possible products: 1) a partially dsDNA duplex with single-stranded 3’ overhangs or 2) if the ...dsDNA was short enough, a ssDNA whose entire complementary strand was degraded. Beta: Beta protects the...created by Exo and promotes its annealing to a complementary ssDNA target in the cell.  Only Beta expression...region of interest and design an oligo that is complementary to the lagging strand. In practice, it’s easier...system once recombinant clones are generated.  A simple way to do this is to express lambda red genes from...

  4. How Do I Place an Addgene Order Using a PO Number?

    Type
    Blog Post
    Published
    Feb. 27, 2020, 2:15 p.m.
    ...Addgene, we try to make the process as smooth and simple as possible. We are the Customer Support Specialists... Placing an order on Addgene’s website is quite simple, even if you’re using a PO number. Follow these...generated through your organization in this field. Please also enter the billing address for your organization...time, your organization will have net 30 days to complete payment for your order.  Still have questions?...

  5. A Conference By Postdocs For Postdocs: Future of Research

    Type
    Blog Post
    Published
    Sept. 2, 2014, 3:05 p.m.
    ...competition is fierce. However, I believe there are plenty of great jobs out there for science PhDs. The problem...organizers are building valuable skills and meeting new people by working together on the event planning and execution... execution. I am seeing many similar examples of science trainees taking a proactive role in their non-bench... Consulting. I know of many schools that have completely student/postdoc-driven biotechnology clubs such...

  6. Microbes: Look, Listen, and Tell

    Type
    Blog Post
    Published
    Aug. 28, 2018, 12:04 p.m.
    ...visualization in vivo using ultrasound (for an example see the figure below). In addition to low costs...benefits of this technique. It is even possible to multiplex ultrasound dyes because these dyes “collapse” ...Approaches to Presenting the Microbial World’ showcased complex connections and ideas in various visualized approaches...gifs created by the Amoeba Sisters. Here’s one example of how they “bridge the jargon gap using gifs”:...

  7. Addgene's Top Blog Posts from 2020

    Type
    Blog Post
    Published
    Dec. 29, 2020, 2:15 p.m.
    ... 9. Droplet Digital PCR for AAV Quantitation by Kate Harten DeMaio We made the switch to droplet digital...Leah Schiesow If you're thinking about hosting multiple plasmids in one cell, it might be that you can't...Purification Without a Kit by Beth Kenkel To complement our RNA Extraction Without A Kit blog post, we've...

  8. Bringing Sustainable Practices to the Lab: Innovations

    Type
    Blog Post
    Published
    March 7, 2019, 2:39 p.m.
    ...cytometers. These fluidic machines handle biological samples and are cleaned between each use. You wouldn’t ...high-throughput and efficient way? Grenova, for example, offers automated, benchtop, high throughput washing...lab culture, but with the right incentives (for example, by grant agencies), we can shift toward a more...more sustainable one. The math on this is pretty simple: wash your tips once and you cut your tips cost ...

  9. Management for Scientists: Seeking Feedback

    Type
    Blog Post
    Published
    Jan. 8, 2015, 2:34 p.m.
    ...feedback and input on multiple topics every time you meet.  Seek feedback in multiple formats      Ask ...and often A one-time event doesn't work to get people sharing.   Frequently ask direct questions for ... in a 5 part series on Introduction to Managing People for Scientists. Subscribe to the Addgene Blog to...

  10. Viral Vectors 101: Systemic Capsids

    Type
    Blog Post
    Published
    Oct. 12, 2023, 1:15 p.m.
    ...recommended for all systemic capsid applications. For example, AAV-PHP.eB is typically administered at a total... we are calling “strain-specific tropism.” For example, AAV-PHP.B doesn’t lead to enhanced transgene expression...they can display species-specific tropism. For example, AAV9-X1.1 specifically transduces brain endothelial..."Mouse Strain-Specific Tropism?" column. For a complete list of mice strains with LY6A-dependent tropism..., lung, and thymus, and transduce the heart and spleen at similar efficacy levels to AAV9 (Stanton et ...J., Deverman, B. E., & Gradinaru, V. (2020). Multiplexed Cre-dependent selection yields systemic AAVs ...

  11. Science as Art

    Type
    Blog Post
    Published
    March 2, 2015, 3:13 p.m.
    ... communicate about their work with non-academic people.” Daniel went on to discuss his work: “Macro photography...-rays. His haunting images have been enchanting people for years and have gathered much acclaim - including...could provide a new tool to study old and unique samples, such as those collected by Darwin on his voyage...incompatible with the need to conserve these unique samples, meaning that we know very little about these specimens...

  12. Addgene is Expanding Our Viral Vector Service!

    Type
    Blog Post
    Published
    Oct. 15, 2024, 1:15 p.m.
    ...AAV5, AAV8, or AAV Retrograde (AAVrg) capsids.  Please be aware that this ordering process will look slightly... the identity of the packaged DNA and serotype. Please note that Addgene cannot perform functional or ...the service to be fulfilled and QC assays to be completed and reviewed. The timeline therefore will be as...follows:  Request review: 1–2 days Prep and QC completed: 6–8 weeks Average shipping time: 1–2 days (USA...

  13. Spurred by COVID-19, Addgene Bridges Plasmid Sharing Between Academia and Industry

    Type
    Blog Post
    Published
    June 23, 2020, 1:15 p.m.
    ...academic and industry scientists. This partnership complemented each other's strengths: Ginkgo Bioworks’ infrastructure...distribute such a large deposit. Once the project is complete, Ginkgo will have synthesized approximately 3,... their plasmids available beyond academia. For example: Plasmids from the Michael J. Fox Foundation are... would like to make them available to industry, please reach out at [email protected] and we will...

  14. pSiM24: Simplifying Plant Genetic Engineering

    Type
    Blog Post
    Published
    Sept. 29, 2015, 2:30 p.m.
    ...smaller, easily customizable vector functions in multiple species, including tobacco and Arabidopsis. Improving...β-glucuronidase (GUS) and GFP reporters, as well as multiple transient and transgenic systems, Sahoo et al....be customized due to its modular structure. Two multiple cloning sites (MCS's) flank the M24 promoter, ... if needed. In total, three MCS regions permit multiple regulatory elements to be inserted, further customizing...

  15. Mapping the 4D nucleome with CRISPR/Cas9

    Type
    Blog Post
    Published
    Aug. 11, 2015, 2:30 p.m.
    ... that uses fluorescently labeled Cas9 to label multiple genomic loci in live cells. While other systems...multicolor labeling would enable the visualization of multiple loci. Such a system could then be used to examine...synthetic scaffold that can be used to recruit multiple protein molecules (and also available from Addgene...could also have major applications to cancer, for example, the visualization of chromosomal translocations...

  16. Year of the Camelid: Antibody Style

    Type
    Blog Post
    Published
    May 9, 2024, 1:15 p.m.
    ...Suitability for in vivo experiments, due to their simple structure    sdAbs in research These advantages...becoming valuable tools for diverse applications. For example, RANbodies can be used as an alternative to conventional...manipulate cellular functions, like in this early example we highlighted back in 2015, where sdAbs were used...around using sdAbs in diagnostic applications. For example, fluorescently and radioactively labeled sdAbs ...

  17. Early Career Researcher Toolbox: Free Online Molecular Biology Tools

    Type
    Blog Post
    Published
    Sept. 12, 2023, 1:15 p.m.
    ...give you the reverse sequence, complement sequence, or reverse and complement sequence.  Filter DNA tool:... tools help with that.  DNA sequence reverse complement tool: Enter a DNA sequence and the program will...DAD): This tool designs overhang sets for high complexity Golden Gate Reactions Cloning ligation reaction...

  18. CUT&RUN: An Improved Method for Studying Protein-DNA Interactions

    Type
    Blog Post
    Published
    Feb. 13, 2018, 2:51 p.m.
    ...Collecting that much tissue takes a week of multiple people performing dissections. With CUT&RUN, we have...and cell lines. Although ChIP-seq is a relatively simple and robust protocol it does have limitations. The...CAPTURE Additional Resources on Addgene.org Find simple lab protocols Browse CRISPR plasmids for isolating...

  19. Addgene-Seeding Labs Plasmid Grant: Accelerating Science Globally - 5 Scientists, 4 Countries & 3 Continents!

    Type
    Blog Post
    Published
    July 18, 2017, 12:41 p.m.
    ...well as developing yeast as source for dietary supplements! Development of a bacterial expression system...plants.     Transgenic yeast as source of dietary supplements Dr. Mrinalini Nair, University of Baroda, India...alternative source of essential omega-3 fatty acids complementing vegetable oil, a somewhat poor natural source...them. By using yeast integration vectors (see for example this yeast cloning kit) she intends to make yeast...

  20. Fluorescent Proteins 101: Fluorescent Biosensors

    Type
    Blog Post
    Published
    May 18, 2017, 2:30 p.m.
    ...process you would like to monitor, there may be multiple steps you could examine, i.e. for an enzymatic...given ion - we’ll use calcium biosensors as an example. Many calcium biosensors include GFP fused to calmodulin...reticulum (ER), vacuole or cellular membranes. Examples include blue flame mitochondria-targeted calcium...available, and the conditions of your experiment. For example, does the fluorescent tag need to be pH stable ...
Showing: 481 - 500 of 855 results