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Showing: 321 - 340 of 831 results
  1. Finding and Joining Your Dream Lab

    Type
    Blog Post
    Published
    April 8, 2014, 2:50 p.m.
    ...In a big lab, the advisor might not be around much and your real boss might be a postdoc – this isn't ...competitive style to spur you to succeed or you might enjoy working closely with others to accomplish ...before you take the position. Am I choosing the right mentor? Make sure your advisors will be good role...candidate to ask lab heads, lab members and lab neighbors during the interview process. What if I want...
  2. How to Deposit Your Plasmids with Addgene

    Type
    Blog Post
    Published
    Feb. 27, 2024, 2:15 p.m.
    .... If submitting plasmid(s) using a spreadsheet (right), click the “Download Deposit Spreadsheet” button..., and plasmid description/experimental purpose (right). On the article page, enter the name, type, and...The more sequence data available, the better. We highly encourage you to upload full sequence data whenever...cannot be propagated in DH5α. For plasmids with highly repetitive sequences (which can be prone to recombination...Figure 12: The "Copy" button is located near the top right of each data entry page. Once you have completed...necessary by my institution or other third party rights holders. Once this process is complete, you will...
  3. CRISPR 101: Multiplex Expression of gRNAs

    Type
    Blog Post
    Published
    Sept. 10, 2020, 11:45 a.m.
    ... you to select cells with high GFP expression. These cells have the highest levels of Cas9 and gRNA expression... which method you use, the procedure will vary slightly.   Two Golden Gate options that are available...expression, and thus the highest frequency of genome editing events. Yamamoto Lab Multiplex CRISPR/Cas9.... “Dimeric CRISPR RNA-guided FokI nucleases for highly specific genome editing.”  Nature Biotechnology...al. “A robust CRISPR/Cas9 system for convenient, high-efficiency multiplex genome editing in monocot and...
  4. Sharing is Caring: But How to Distribute Open Hardware?

    Type
    Blog Post
    Published
    Feb. 28, 2023, 2:15 p.m.
    ...Since its early years, the light microscope has been a powerful tool in almost all disciplines. In biology... cells, has become an established alternative to high-priced commercial devices.     Fig. 2: Workflow...Workflow for open software (left) vs. open hardware (right).    Taking this all together, the essential...open hardware. Upper left panel shows the path of light through a microscope. Lower left panel shows an ...differentiating monocyte with planes and hardware to it. Right panel shows workflow of open hardware.    Conclusion...
  5. How Addgene Creates Content

    Type
    Blog Post
    Published
    Nov. 17, 2022, 2:15 p.m.
    ...surprise then that a lot of our subject matter comes straight from you, whether you realize it or not! Many ...what basic information someone new to antibodies might need to successfully start using them at the bench...bench, along with questions we thought they might have as they go. The guide was then assigned to our science...deeper expertise of our antibody team to rely on. High-impact content like the antibody guide always gets...sketch a western blot out quickly." Final design (right). Immediate and immense regret of the graphic designer...
  6. Plasmids 101: Screens vs. Selections

    Type
    Blog Post
    Published
    Nov. 10, 2022, 2:15 p.m.
    ...does this actually look like? For a selection, you might put cells into a drug-containing media in which ...scientific question can help determine which is right for you. Screen variations Forward and reverse screens...method you choose to assess traits of interest is highly specific to your scientific question. Things to... assay system include: How specific is it? Is it high throughput? Will it be sensitive enough? No one ...screens Selections sound like a great shortcut, right? Who would ever do a screen when a selection can...
  7. From Lab Bench to Leadership: Transitioning into Management as a PhD

    Type
    Blog Post
    Published
    Jan. 21, 2025, 2:15 p.m.
    ...realized that working in the wet lab wasn’t the right path for me. I began exploring alternative career...track and feel supported. Another team member was highly self-motivated and excelled when given the freedom... made similar transitions can provide you with insights, lessons from their experiences, and practical...perspectives and facilitated a team meeting to highlight their complementary strengths. By encouraging ...
  8. Plasmids 101: Sequence and Ligation Independent Cloning (SLIC)

    Type
    Blog Post
    Published
    Sept. 26, 2024, 1:15 p.m.
    ...mixture of products or from incomplete PCR — although higher DNA concentrations are needed for this method to...retain products with single-stranded overhangs (right branch). The mixed PCR and incomplete PCR methods...with two 5′ overhangs, so these approaches require higher concentrations of insert to succeed. 5′ overhangs... showed that a five-piece assembly reaction was highly efficient (~80%) with 40-bp homology regions. Ten-fragment...method also based on homologous recombination. The higher temperature at which Gibson assembly takes place...
  9. Clear and Accessible Writing

    Type
    Blog Post
    Published
    Feb. 15, 2024, 2:15 p.m.
    ... visitors with information about images that a sighted reader would glean from the image itself.  As we...impaired readers receive the same information as sighted readers.    Figure 1: An image from AAV...image, we thought it would be most helpful to highlight the technical details of collecting the purified... passage of supernatant through each layer. The right panel illustrates a gradient tube before and after...
  10. Cas13d: Small RNA-targeting CRISPR enzymes for transcriptome engineering

    Type
    Blog Post
    Published
    May 3, 2018, 1:48 p.m.
    ...RNA without altering the genome, but Cas13s have higher on-target specificity. New work from Konermann ...package in low-capacity vectors! These small, but mighty type VI-D enzymes are the latest tools in the transcriptome...including Cas13d-specific regulatory proteins and high targeting efficiency, both of which are described...Cas13d deposit here). Konermann et al.: CasRx is a highly potent, specific editor in mammalian cells Not ...characterized Cas13 enzymes, CasRx also displays very high on-target efficiency; where shRNA treatment produced...
  11. Hot Plasmids - May 2022

    Type
    Blog Post
    Published
    May 26, 2022, 1:15 p.m.
    ...Every few months we highlight a subset of the new plasmids and viral preps in the repository through ...close proximity to the GFP-tagged protein (albeit slightly offset due to the nanobody-GFP interaction). The...the AAV capsids (left) and transduction patterns (right).  Both AAV-PHP.eB and the AAV.CAP-B capsids are...mammalian cells. Long sequences traditionally have higher risks of off-target mutations. These plasmids contain...
  12. Hot Plasmids - February 2022

    Type
    Blog Post
    Published
    Feb. 22, 2022, 2:15 p.m.
    ...to induce high levels of gene activation for both reporter and endogenous genes. It is highly specific ...Every few months we highlight a subset of the new plasmids and viral preps in the repository through ...target only requires a small epitope tag (FLAG is eight amino acids, HA is nine), multiple repeats of the...
  13. Antibodies 101: Monoclonal Antibodies

    Type
    Blog Post
    Published
    June 29, 2021, 1:15 p.m.
    ...hybridoma, you can choose one that produces high-affinity/high-avidity antibodies. The same hybridoma is...drive can be identified by sequencing the heavy and light chains. To circumvent any possible genetic drift...  Figure 2: Changes to the heavy chain or light chain genes within a hybridoma impacts the specificity...validating monoclonal antibodies, their cost is higher than that of polyclonal antibodies. For example...
  14. Hot Plasmids December 2018 - C. elegans RNAi, TurboID, Detecting Viral Outbreaks, and Protein Binding Specificity Tools

    Type
    Blog Post
    Published
    Dec. 6, 2018, 1:34 p.m.
    ... Every few months we highlight a subset of the new plasmids in the repository through our hot plasmids...here.  Listen to the hot plasmids episode! New, highly efficient RNAi construct for C. elegans gene knockdown...noroviruses can infect millions annually. Because it is highly contagious, it is essential to contain outbreaks...binding experiments. Potential experiments that one might perform using the purified domains include protein...
  15. The Many Reasons for Irreproducible Research- and a Vaccine to Eradicate It

    Type
    Blog Post
    Published
    Jan. 30, 2020, 2:15 p.m.
    ...cognitive biases such as motivated reasoning and hindsight bias, we may fool ourselves and our readers into...replications are unavoidable, but can be minimized with high powered research designs. Unanticipated discoveries...become public eventually). It is typically done right before data collection starts, and should include...example, if you hypothesize that growth rates will be higher in treatment versus control, and you think there...of the study, say a fifth time has unpredictably high rates, should be reported as a new discovery that...
  16. Choosing a CRISPR Nuclease: Site Accessibility, Specificity, and Sensitivity

    Type
    Blog Post
    Published
    Nov. 5, 2019, 1:28 p.m.
    ...sensitivity. Wild-type Cas9 exhibits high on-target activity, but also high off-target activity, which may ...sensitivity is the measure of on-target activity (right). Cas9 nucleases that exhibit enhanced site ...et al., 2018) and found that Sniper-Cas9 showed a high degree of both specificity and sensitivity across...Evolved Cas9 variants with broad PAM compatibility and high DNA specificity." Nature 556.7699 (2018): 57. PubMed...
  17. A Quick Guide to a Career in Software Product Management

    Type
    Blog Post
    Published
    Nov. 24, 2020, 2:15 p.m.
    ...is building the software tools for the right people at the right time. To explain a bit further, a software... a strong background of undergraduate research straight to a lab career at a biotech company, I always...operations software for next-gen sequencing (NGS), and high-throughput screening. While some developers had ...about what a software product manager does, you might be wondering what the day to day looks like. Check...
  18. To Each HIS Own

    Type
    Blog Post
    Published
    March 2, 2023, 2:15 p.m.
    .... The protein of interest is then eluted using a high imidazole buffer that outcompetes the interaction...protein but not that of the protein of interest. A high imidazole elution buffer disrupts the interaction...concentration of imidazole used in the wash buffer should be high enough to disrupt contaminant-metal ion binding ...therefore more selective. When using systems with higher levels of histidine-containing protein contamination... histidine residues that are present, the more tightly the protein will bind to the metal ion substrate...
  19. Giving gRNAs a Facelift - Synthetic and Beyond

    Type
    Blog Post
    Published
    Oct. 20, 2022, 1:15 p.m.
    ...the entire editing system with a simple LED light. Lighting up your gRNA with fluorescent dyes In a scientific... nucleic acids with N-methyl substitutions are slightly more efficient and less toxic to mammalian cells...less than a minute of exposure to the appropriate light. The photoactivatable counterpart to this system...unable to engage a target sequence. Upon a brief light exposure (several seconds) the gRNA is released ...
  20. Hot Plasmids April 2018 - Protein Degradation, Nanoscopy, FIRE-Cas9, and Yeast Expression Tools

    Type
    Blog Post
    Published
    April 23, 2018, 2 p.m.
    ...Every few months we highlight a subset of the new plasmids in the repository through our hot plasmids...Chemistry for his contributions to super-resolution light microscopy, comes from his recent Nature Communications...difficult to study in living cells using conventional light microscopy due to their small size (<250 nm), and...probes had to target endosomes, be exceptionally bright (which is necessary for effective STED), and be...
Showing: 321 - 340 of 831 results