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We narrowed to 895 results for: Ide

Showing: 441 - 460 of 895 results

  1. Five Popular Model Organisms

    Type
    Blog Post
    Published
    April 11, 2019, 12:39 p.m.
    ...mutations found in leukemia, the Lowe lab was able to identify a set of mutations that made cancer cells more...mouse line. Over the years the fly has become an ideal model organism to study an array of topics including... to create transgenic animals. Zebrafish are an ideal model organisms for embryonic development studies... genes have an ortholog in C. elegans making it ideal to study basic molecular biology processes. C. elegans...quiescent and proliferative pancreatic β-cells identified by HOTcre mediated labeling." Proceedings of ...Menezes, Regina, et al. "From the baker to the bedside: yeast models of Parkinson's disease." Microbial...Additional resources on the Addgene blog Read our quick guide to Drosophila Download the fluorescent proteins ...

  2. Antibodies 101: Normalization and Loading Controls for Western Blots

    Type
    Blog Post
    Published
    April 8, 2025, 1:15 p.m.
    ...loading control: the intensity of each POI band is divided by the intensity of the loading control in the ...problems for proteins of very different abundance, consider the following example gel. Figure 5: An...intensity axis. But the loading control points are outside of the linear detection range. As a result, they... problematic for computational quantification. Outside the linear detection range, band intensity measurements...experimental conditions. Otherwise, you might want to consider a different loading control. Assumption #2: The...final blot. Quantifying the entire lane of protein provides a loading control that can be used for normalization...The necessity of and strategies for improving confidence in the accuracy of western blots. Expert Review...

  3. Hot Biosensors 2022: Year-End Roundup

    Type
    Blog Post
    Published
    Dec. 6, 2022, 2:15 p.m.
    ...Addgene’s catalog is a new class of sensors for neuropeptides and neurotransmitters. Motivated to develop ...GPCRs recognizing various neurotransmitters, neuropeptides and other ligands - almost A to Z! - from ATP...vectors (here and here).  Figure 3: JEDI-2P was identified from a high-throughput screen, selected for increased...existing sensors. Using genome mining and structure-guided engineering of potassium binding proteins, they...point for further engineering. Figure 5: Structure-guided design and genome mining both led to new sensors...Fluorescent Potassium Indicators through Structure-Guided and Genome Mining Strategies. ACS Sens. 2022 May...protein plasmids and resources Fluorescent protein guide: Biosensors Collection ...

  4. Bringing Sustainable Practices to the Lab: Innovations

    Type
    Blog Post
    Published
    March 7, 2019, 2:39 p.m.
    ...New ideas and approaches are encouraged in science. It isn’t surprising that new ideas are also popping...before you even receive the product? How can we consider the environmental impact of those processes? Who...might sound risky in terms of contamination, but consider flow cytometers. These fluidic machines handle...through an EPA-approved process and no longer considered hazardous. Then, they use this material to produce...plastic lumber and distribute it to industrial and residential markets. Rethinking our approach to lab waste...

  5. Reflections and Looking Ahead

    Type
    Blog Post
    Published
    Feb. 25, 2025, 2:15 p.m.
    ...Accessibility Guidelines (WCAG). These changes mean our content is both available and accessible to a wider community... Over 150,000 plasmids empowering researchers worldwide. Countless breakthroughs enabled by shared resources...part of the story. This year, we made significant strides in making science more accessible and reliable....community. As we enter 2025, your feedback continues to guide our innovation.  In response to a demand for more...rapidly, and with it, the needs of researchers worldwide. Through our growing community on Bluesky, our...

  6. Modulate the Activity of 17 Signaling Pathways with One Kit!

    Type
    Blog Post
    Published
    March 22, 2016, 2:30 p.m.
    ...pathway. “The idea is that if you introduce them into cells one at a time, you could identify those that ...apoptosis. For each of these 17 pathways, they identified a set of one to three mutant complementary DNAs... Wood says. “We want to make these available as widely as possible.” The researchers have plans to expand...References 1. Martz, Colin A., et al. "Systematic identification of signaling pathways with potential to confer...Lineage Tracing Read How CRISPR Can Be Used in Genome-Wide Screening Browse 28 Hot Plasmid Technologies from...

  7. Scientific Sharing in the Time of COVID-19: Databases and Resources

    Type
    Blog Post
    Published
    May 12, 2020, 1:15 p.m.
    ...How to put the wider scientific community at the service of COVID-19 research? We decided to give it a ...internationally COVID-19 Resources Canada is a database that provides information about reagents, funding and volunteer... the information is applicable to researchers worldwide. “COVID-19 has spread incredibly fast and without...can advance COVID-19 research to hopefully help guide policies and ultimately treatments in a timely fashion...Read about COVID-19 research on the blog Visit our guide for external collaborations Resources on Addgene.org...

  8. Plasmids 101: What is a plasmid?

    Type
    Blog Post
    Published
    April 2, 2020, 6:17 p.m.
    ...an introduction to plasmids. Plasmids 101 will provide you with an overview of general molecular biology.... Our mission is to curate a one-stop reference guide for plasmids, so that you can spend less time researching... such as yeast and plants. In nature, plasmids provide one or more functional benefits to the host such... biologists to broadly utilize plasmids across a wide range of applications. Some common plasmid types...scientists can track their location or quantity inside a cell Plasmids 101: Green Fluorescent Protein...references, and how to maintain your plasmid stocks. The guide also contains multiple protocols and troubleshooting...

  9. CRISPR 101: Cas9 Nickase Design and Homology Directed Repair

    Type
    Blog Post
    Published
    March 15, 2018, 12:59 p.m.
    ...middle of the targeted region, as shown below.  To identify optimal nickase designs, IDT scientists Mollie...insert an EcoRI site using a single-stranded oligonucleotide (ssODN) donor. Using a D10A nickase to insert...nickase outperformed both WT Cas9 sites tested by a wide margin, exhibiting >20% repair efficiency. Clearly... is especially useful if there are no available guides close to the desired mutation site. Quick tips...small insertions or tags (ssODN; IDT Ultramer® Oligonucleotides) Use 100 nt homology arms for large insertions... Find CRISPR Nickase Plasmids Browse the CRISPR Guide ...

  10. Addgene's a Nonprofit? Nonprofit Awareness Day 2017

    Type
    Blog Post
    Published
    June 5, 2017, 3:19 p.m.
    ...every project we undertake and every service we provide is tested against fulfilling our mission. “Addgene...continuously improve all the extra services we provide like quality control, curation, technical service...starting new initiatives as opposed to fundraising.   Aside from enabling us to make all decisions with the ... keeping excellent records and maintaining confidentiality where it is appropriate. This grows our relationship...Addgene increases productivity by providing world-wide access to curated, high-quality data and reagents...processes, distribution, and customer service) Addgene provides unmatched customer service that is consistently...

  11. An Addgene Co-op: The Intersection of Fun, Friendship, and Work

    Type
    Blog Post
    Published
    June 29, 2023, 7 p.m.
    ...but overwhelmed; I had no idea where to start. Thankfully, my managers set aside time for me to complete...the lab! I got to assist production on a protocol video. Don't worry - no pipettes were harmed in the making...allowed me to succeed. As a team, we talked through slide design, discussion items, big takeaways, and timing...depositor welcome kits, note taking for protocol video production, and keeping inventory of our merchandise...talk to. This six month experience made me more confident in myself, my abilities, and my future - something...

  12. Five Questions to Ask If You're Deciding Between a Master's or PhD Program

    Type
    Blog Post
    Published
    Feb. 16, 2021, 2:15 p.m.
    ... at the Addgene Science Career Guide eBook Addgene Science Career Guide eBook.   Resources Resources... a master? Here are a few questions to help you decide if a master’s might be for you. 1. Are you interested...path one you could see yourself taking? If so, consider setting up an informational interview with them...your interests and career goals. You might still decide to earn a PhD, but if I had to do grad school over...eBooks from Addgene, including the Science Career Guide\  ...

  13. The Stingy Scientist: How the Baby Gel Box Was Born

    Type
    Blog Post
    Published
    April 15, 2014, 3:11 p.m.
    ...pour over the sides.  These tiny gels and tiny lanes required less agar, less ethidium bromide, less stop...discards according to the Cambridge, Massachusetts guidelines and wear an extra sweater so we don’t have to...smaller gel apparatus until I settled on using glass slides. With just the right amount of agarose, I could...could pour a very thin gel on a large glass slide using only surface tension.  It's a bit tricky to pour ...plastic and solder this thing together.  One of the downsides—there was no cover so you had to be careful not...

  14. Bright Monomeric Fluorescent Proteins: mNeonGreen, mTFP1, and mWasabi

    Type
    Blog Post
    Published
    April 25, 2019, 3:01 p.m.
    ...in 2012. Using structural modeling and structure-guided direct evolution, Nathan Shaner and colleagues ...respectively. mNeonGreen can be used as a fusion tag for a wide range of applications from traditional imaging to...resolution imaging. mNeonGreen also has little sequence identity to other common fluorescent proteins and therefore...The team that developed mTFP1 further sought to identify why this protein was blue-shifted compared to ...blue-shifting more than others. During this process, they identified mWasabi, a bright, monomeric green fluorescent...variants of Clavularia cyan fluorescent protein: identification of the molecular determinants of color and ...

  15. Natural or synthetic? How Addgene’s dataset reveals trends in biological innovation

    Type
    Blog Post
    Published
    Nov. 8, 2018, 3:47 p.m.
    ... sequence identity was a different story - the team found that the percent sequence identity between the...) and comparative properties (percent sequence identity and percent query coverage) that could be determined...synthetic or natural. They saw that a percent sequence identity below 85% correlates with synthetic sequences.... The researchers then used their classifier to identify synthetic and natural sequences in Addgene’s database...have practical applications in monitoring the accidental or intentional release of engineered organisms...

  16. Addgene's Top 10 Blog Posts of 2015

    Type
    Blog Post
    Published
    Dec. 7, 2015, 6 p.m.
    ...per month in November 2015. We will continue to provide you with more fascinating, informative, and actionable...technology in their own labs. We’re overjoyed to provide you with these fantastic educational resources ... you’d like to see on the blog or to contribute ideas for your own guest posts by e-mailing us at blog...inversions, deletions, and translocations. It also provides researchers with many different ways to control...the right one. In this post, Addgenie Melina Fan guides us through the basics of the validation process...experiment? In this post, Addgenie Chari Cortez guides us through some common controls and why you might...

  17. Plasmids 101: Gram Negative and Positive Bacteria

    Type
    Blog Post
    Published
    Aug. 2, 2022, 1:15 p.m.
    ...stain for 1 minute. Rinse the slide briefly with tap water. Flood the slide with Gram's iodine solution....staphylococci and streptococci. Gram negative bacteria, or diderms, have a thinner peptidoglycan membrane and an outer...safranin counterstain for 30 - 60 seconds. Rinse the slide in tap water until the runoff is clear, blot gently...types. In water, the dye dissociates into CV+ and Chloride (Cl-) ions. When the negatively charged iodine...into a specific bacterium, it can be important to consider the type of bacteria it is being used in, and ...

  18. Creating accessible biology activities in schools with BioBits

    Type
    Blog Post
    Published
    Aug. 2, 2018, 12:56 p.m.
    ...enough to have the funding and the resources to provide them to their students. My desire to create a set... cell-free (FD-CF) components. Making proteins outside of a cell - cell free extracts Typically, if you...used in high school classrooms, but it could be widely adapted and used in a variety of settings. If you...are an instructor at the college level, perhaps consider using some elements of BioBits to transition your...researcher interested in adapting your research ideas into hands-on educational activities using the BioBits... Resources on Addgene.org Browse our protocol videos to learn simple lab techniques Check out our molecular...

  19. 5 Great Apps for Lab Life

    Type
    Blog Post
    Published
    Sept. 22, 2016, 2:30 p.m.
    ...interwebs for lab resources, and instead conveniently provide them on your smart phone. 1. Lab Archives by LabArchives...Gibco Cell culture manual and basic instructional videos. The search function in the manual just highlights...with NEB enzymes, the app is quite helpful and provides a list of directions including which buffers to...primer, you only need to skim the alphabet on the side of the screen to find the sequence for your enzyme...explain the properties of or draw an amino acid or peptide for some reason. It contains all twenty amino acids...allow you to write your colleagues’ names in a polypeptide chain, except if their names have a B, J, X, ...

  20. R Bodies: Membrane-Rupturing Microscopic Tools

    Type
    Blog Post
    Published
    April 14, 2016, 2:30 p.m.
    ... proteins. Video by ACS. For a more cartoony explanation of R-bodies, check out this video. Most types...by propagating through an enormous lattice of identical subunits. A brief history of R bodies R bodies...proteins and remain functional, 2) break membranes outside of their natural context or 3) be modified to extend...fluorescent protein fusions allowed us to image R bodies inside cells, and these constructs may be useful to future...soluble when extended (see figure to the right), we identified R-body mutants that extend at both lower and ...
Showing: 441 - 460 of 895 results