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  1. Editor's Choice, August 2016

    Type
    Blog Post
    ...sequence in live cells. This technique uses catalytically inactive CRISPR endonuclease (dCas9) fused to...scientists. You can find all of our August posts in chronological order here: Site Directed Mutagenesis by PCR...Single Base Editing with CRISPR Cas9 Activators: A Practical Guide 10 Steps to a Perfect Science Talk Developing...
  2. Scientist Networking: What is an Informational Interview?

    Type
    Blog Post
    ...meet interesting people doing interesting things. I call this building relationships because networking has...or a particular position at their company, do NOT call this an Informational Interview. If you do this,... if it is not possible consider a phone or video call. If you do decide to use Skype, make sure to follow...
  3. Top 10 Open Science Developments of 2013

    Type
    Blog Post
    ...Science and Technology Policy issued a memorandum calling on Federal agencies with over $100 million in annual...promote open science, ensure good stewardship of clinical trial data, serve society and patients, and respect...patents in a case against Myriad, an organization called Free the Data launched a public database to gather...
  4. Seeing Red: Simple GFP Photoconversion

    Type
    Blog Post
    ...used a GFP derivative to conduct subcellular localization studies or make a reporter construct. Fluorescent... mammalian cells, and it may find wide use in biological research. Photoconvertible fluorescent proteins... new transgenic line could avoid problems in localization that have been encountered by some investigators...
  5. Easing the Protein Purification Process with pCri

    Type
    Blog Post
    ...research, notably determining the subcellular localization and the number of disulfide bonds in your protein...protein expression in systems other than E. coli, specifically the bacterium Bacillus subtilis and the yeast...may improve expression of proteins that natively localize there. pCri is both versatile and easy to use,...
  6. Addgene is Expanding Our Viral Vector Service!

    Type
    Blog Post
    ...service. A small subset of AAV plasmids will have technical or legal restrictions that make them ineligible...be reviewed by Addgene for legal approvals and technical compatibility with our production process. This...found in our in-stock preps. If a request has technical considerations that may affect expected titers...
  7. What's New in CRISPR - March 2020

    Type
    Blog Post
    ...plasmids available at Addgene. We will still periodically focus on specific CRISPR plasmid tools more ...and an optogenetic tool that controls nuclear localization (LINuS). Blue light renders the NLS accessible...expression of specific Caulobacter genes using a catalytically dead Cas9 (dCas9) derived from Streptococcus...
  8. Working 9-5: an Addgene Co-op

    Type
    Blog Post
    ...hour long interview. I anxiously prepared for the call. The length of this interview was intimidating to...team and shows how they fit into the system. Specifically as a co-op, it is encouraged to explore different... a 9-5 As it turned out, Addgene uses something called “core hours”. Core hours consist of the time between...
  9. Supporting Rare Disease Research with BeHeard 2017

    Type
    Blog Post
    ...Institute partners with companies to provide technological resources for those studying rare disease. This...will use fluorescent proteins to monitor the localization of these genes, CRISPR to disrupt their function... University of British Columbia Department of Urological Sciences. Dr. Nabavi studies peritoneal mesothelioma...
  10. SpyLigase Irreversibly Locks Peptides Together for Efficient Cell Capture

    Type
    Blog Post
    ...parts. Their efforts yielded a protein, which they call SpyLigase (Spy comes from the “S” in Streptococcus...able to grab on to proteins irreversibly in a genetically encoded way. SpyTag is nice and small, just 13...this tool? Howarth: Polyproteins are useful for mechanical study of proteins by atomic force microscopy ...
  11. The Michael Davidson Collection: One-Stop Shop for Fluorescent Proteins

    Type
    Blog Post
    ...the collection without getting overwhelmed by its scale: Look at the mEmerald variants first, followed by...fluorescently tagged versions of many proteins known to localize to specific cellular structures.The Davidson lab...you’re not sure where your protein of interest localizes in the cell, use these markers as your guide. ...
  12. Antibodies 101: Affinity Tags

    Type
    Blog Post
    ...you covered! His His tags, often called polyhistidine tags, typically include six consecutive His residues...(Fox and Waugh, 2002). The tag can also be proteolytically cleaved after purification, so as not to perturb...
  13. An Addgene Co-op: The Intersection of Fun, Friendship, and Work

    Type
    Blog Post
    ...required to complete a six month work experience called a co-op to receive a degree. Northeastern compiles... occasional TikTok. I was also responsible for typical entry level tasks such as stuffing new depositor...connections with coworkers seem, in retrospect, nonsensical. I have found the people at Addgene have become...
  14. Build Your CRISPR Vocabulary

    Type
    Blog Post
    ...CRISPR array. The CRISPR array is composed of identical repeat sequences and variable spacer sequences...involve different proteins, but many of them are called Cas, short for “CRISPR-associated.” The most famous...integration into the array, these sequences are called protospacers. Repeats: Bacterial DNA that appears...
  15. Chemogenetics vs. Optogenetics: Which Method Should I Choose?

    Type
    Blog Post
    ...wavelength of light. This response is immediate, on the scale of milliseconds, and can precisely link a neuron's...control over timing. Because chemogenetics relies on chemical activation and the diffusion of drugs throughout...require a permanent intracranial implant to be surgically installed to allow for light delivery. Chemogenetics...
  16. Embracing Serendipity: A Crucial Element in the PhD Journey

    Type
    Blog Post
    ...let curiosity guide your intellectual journey. Practical approaches One approach to achieve this goal ...chemistry, even if your primary focus lies within a biological lab. Engaging in such seminars exposes you to...ourselves moments of release and mental freedom. Practical approaches Engaging in mindful meditation, taking...
  17. Addgene's a Nonprofit? Nonprofit Awareness Day 2017

    Type
    Blog Post
    ...American Cancer Society, or maybe you think about a local food pantry or community arts organization. Many...services we provide like quality control, curation, technical service and open-access educational resources....decisions at Addgene If you’re ever curious what specifically drives the decision making process at Addgene...
  18. Bricking Science: Portraying Scientific Reality Through LEGO

    Type
    Blog Post
    ...sometimes no culprit can be found…. In our lab we call this mysterious source of failure the lab gnome....There must be some way to use LEGOs, which are practically universally loved (except for those rare times...children who have no preconceived obstacles, optimistically grasp at limitless potential, and who sometimes...
  19. Identifying Sequence Elements with SnapGene's Feature Database

    Type
    Blog Post
    ... While there were software tools available to biomedical researchers manipulating DNA sequences on a daily...different microbial strains. It proved to be impractical to catalog every variant of a feature. Instead...that tolerates occasional mismatches or indels. Empirical tests indicated that a reasonable rule is to require...
Showing: 661 - 680 of 1008 results