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  1. How Addgene Creates Content

    Type
    Blog Post
    ...truly believes that sharing speeds science, and our entire mission is to enable that process. Our repository... made most of the Antibody Guide figures. This requires a fair amount of communication between our content...of date as techniques and knowledge changes and require updating or retiring. CRISPR/Cas9, for example,...
  2. RNA Extraction Without A Kit

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    Blog Post
    ...RNA, a fast, strong protein denaturant would be required- something that broke down RNases before RNases... effective at isolating total RNA, this method requires a lot of time and depending on how many samples...without a kit!) As mentioned above, working with RNA requires keeping your samples cold until homogenization...
  3. Summer SciComm Series: Cognitive Load

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    Blog Post
    ...to read a formulaic fiction story that doesn’t require any detailed retention of information or formulation...something verbally. Sometimes a group was just really tired and needed a slower, simpler presentation than I... I had planned; other times students were fired up and enthusiastic and needed a faster presentation with...
  4. To Each HIS Own

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    Blog Post
    ...Much of today's biological research requires a close examination of specific proteins within a system...tags, however, tended to be very large and often required the incorporation of a cleavage site and a post-purification...no cut or dried answer. Successful purification requires the tag to be accessible to the metal ions once...
  5. It’s Bioelectric! An Exciting Interdisciplinary Field of Research

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    Blog Post
    ...sufficient for certain patterning activities of entire tissue types or even organs. In frogs, ectopic ...electrical communication is briefly inhibited in the entire worm during regeneration, the worm creates two ... artificial intelligence," says Michael Levin, Director of the Allen Discovery Center. The future of this...
  6. Gendered Innovations: Why Does Sex of the Cell Matter?

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    Blog Post
    ...sex, the National Institutes of Health (NIH) now requires that sex be included as a biological variable ...variable in all NIH-funded research. Janine Clayton, Director of the Office of Research on Women’s Health, emphasizes...gender in science and technology and currently directs the EU/US Gendered Innovations in Science, Health...
  7. Addgene's Tips for Plasmid Quality Control

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    Blog Post
    ...with multiple inserts or internal mutations that require more than two sequencing reactions. In the more...to ensure uniformity of the culture. Sequencing directly from the glycerol stock saves us the step of purifying... Each sequencing service will have different requirements for volume and concentration, and not all providers...
  8. Career Coaching for Scientists: Why and Where Do I Find One?

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    Blog Post
    ...new job skill? Finish your thesis? Knowing your desired outcomes will help you assess if the coach you ...coach usually will be a clear communicator and make direct suggestions for improvement and change. Work ...relationship has been successful – what are the desired outcomes? Ask openly for clear information on...
  9. Plasmids 101: Cre-lox

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    Blog Post
    ...asymmetry in the core sequence gives the loxP site directionality, and the canonical loxP sequence is ATAACTTCGTATA-GCATACAT-TATACGAAGTTAT...reversed.   Deletion: If the sites face in the same direction, the sequence between the loxP sites is excised...cerevisiae FLP-FRT recombination system is another site-directed recombination technology very conceptually similar...
  10. Open Resources and Plasmid Tools For Studying C. elegans

    Type
    Blog Post
    ...Development Dynamics Database (WDDD) The WDDD aims to acquire quantitative data on all the cell divisions of ...Kit for CRISPR Cas9 edits At Addgene, we have the entire SapTrap toolkit from the Jorgensen lab. SapTrap...Project: The Complete Gene Expression Map of an Entire Nervous System." Neuron 99.3 (2018): 430-433. PubMed...
  11. Split Fluorescent Proteins for Studying Protein-Protein Interactions

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    Blog Post
    ..., comprised of PAS and GAF domains of iRFP713. Requires presence of heme oxygenase for chromophore formation...miRFP709 and miRFP670, pair with common PAS domain. Requires presence of heme oxygenase for chromophore formation...BiFC interaction is typically irreversible and requires some time for chromophore maturation, splitFAST...
  12. CRISPR in the Clinic

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    Blog Post
    ...Systemic therapies involve CRISPR-Cas delivery directly to the patient. Patient-derived cells can alternatively...the goal of ‘fixing’ mutations or introducing a desired edit, but this particular class of treatments has...inflammatory diseases, blindness, and diabetes. Directions and obstacles for future CRISPR therapies CRISPR...
  13. High Complexity Golden Gate Assembly with NEB’s DAD

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    Blog Post
    ...longer incubation times and didn’t necessarily require cycling. The Pros and Cons Researchers used the...select for correctly assembled phage genomes, it required a very stringent selection process and benefited...selection, failed under normal cycling protocols, and required a 48-hour incubation at 37 °C. While the 52-piece...
  14. Viral Vectors 101: Chemogenetics

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    Blog Post
    ...Targeting Receptor Expression Using chemogenetics requires successfully introducing receptors to target cells... to control ion flux. The system allows you to directly manipulate ion channels. When working with PSAM...Magnus C, Lee P, Bonaventura J, Zemla R, Gomez J, Ramirez M, Hu X, Galvan A, Basu J, Michaelides M, Sternson...
  15. Plasmids 101: The Wide World of Natural Plasmids

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    Blog Post
    ...viral infection by bacteriophages), or conjugation (direct transfer from one cell to another). Bacteria need...transfer genetic material to a recipient through direct contact. That’s conjugation! F factors can also...cloning. In addition, scientists have engineered entirely new types of plasmids without clear analogues ...
  16. Fluorescent Proteins 101: Introduction to FRET

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    Blog Post
    ...photon 2. Energy transfer from the excited donor directly to the acceptor fluorophore--think of it as a ...fusions varies with transfection efficiency and any unpaired fluorescent proteins can contribute additional...Check Out Fluorescent Protein Biosensors Browse the Entire Fluorescent Protein Collection ...
  17. Plasmids for Endogenous Gene Tagging in Human Cells

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    Blog Post
    ...effectively utilize the host cell’s inherent homology directed repair (HDR) process following the double strand...break and introducing the tag through homology directed repair To introduce the fluorescent tag to the...on the Addgene Blog Learn More about Homology Directed Repair Learn More about Non-Homologous End Joining...
  18. Plasmids 101: Modular Cloning

    Type
    Blog Post
    ...simple, and engineering complex cellular behaviors requires making complex manipulations to cells. For example...number in the Level 2 assembly. These pathways can require a lot of optimization - which is why MoClo is so...of a combination of multiple genes to achieve a desired effect. This is commonly used in plant biology ...
Showing: 501 - 520 of 906 results