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Showing: 241 - 260 of 704 results
  1. Plasmids 101: Screens vs. Selections

    Type
    Blog Post
    Published
    Nov. 10, 2022, 2:15 p.m.
    ... methods of manipulation are genetic knockout mutations and treatment with small molecules/drugs. With...with a uniform population possessing a specific mutation or phenotype. For example, a drug screen may be... performed on a cell line possessing a patient mutation to assess how patients may respond to drug treatment...survive as these must have acquired a favorable mutation. But if the cellular pathway of interest conveys...
  2. From Lab Bench to Leadership: Transitioning into Management as a PhD

    Type
    Blog Post
    Published
    Jan. 21, 2025, 2:15 p.m.
    ...effective manager. Mismanaging (no pun intended) expectations —yours and your team's—can lead to frustration...unnatural for those accustomed to hands-on work. The temptation to "do it yourself" can result in burnout and...Miscommunication often arises when managers fail to set expectations or provide timely feedback, leading to unproductive...discussions to understand their perspectives and facilitated a team meeting to highlight their complementary...
  3. Luminescent Imaging with Nano-lanterns

    Type
    Blog Post
    Published
    May 25, 2017, 2:30 p.m.
    ... used FRET, but it eliminates the need for an excitation light source. Instead, a luciferase substrate...complement optogenetic tools, where light used for excitation can cause unintended activation of the optogenetic...various colors. In fluorescent imaging, you use the excitation wavelength to specify which FP emission you’ll...Nano-lantern system does not use external light for excitation, you instead have to rely on differences in emission...
  4. Communicating Your Science With Help From ComSciCon

    Type
    Blog Post
    Published
    July 19, 2018, 1:12 p.m.
    ...collaborating as they craft sentences for abstracts and presentation slides, learn from audiences as they do science...something they did not understand about your presentation, question whether other aspects of the work ...primary focus When writing a paper or preparing a presentation, it's easy to forget that you have a much bigger...practice.  Ask them what they learned from your presentation and evaluate whether or not you’ve succeeded...
  5. CRISPR 101: Non-Homologous End Joining

    Type
    Blog Post
    Published
    April 16, 2015, 3:45 p.m.
    ...for NHEJ repair regardless of end structure, and dictate the major events of the pathway: Broken ends are...processing of DNA ends tends to be the point where mutations are introduced. Repair of Cas9-induced breaks ...about a two-thirds chance of causing a frameshift mutation. Of some importance, the deletion can be less ...double nickase” strategy vastly reduces breaks and mutations at off-target sites. Christina Mork contributed...
  6. Stabilized Bacterial Promoters: Constant Gene Expression at any Copy Number

    Type
    Blog Post
    Published
    Sept. 4, 2018, 12:53 p.m.
    ...variation of gene expression. Because pSC101 is not representative of all types of plasmids, the stabilized promoters... number. During the shift from exponential to stationary phase, the number of plasmids per cell increases... plasmid copy number during the transition to stationary phase, Segall-Shapiro et al. placed a trans-acting... such as qPCR or microarray. But, aside from facilitating the joys of a p-value < 0.05, having such fine...
  7. Seven Tips for Using LinkedIn as a Scientist

    Type
    Blog Post
    Published
    Oct. 1, 2019, 1:21 p.m.
    ...times, LinkedIn may revoke your ability to send invitations. Finally, if you don’t know clearly why you are... box, it will send an unpersonalized, generic invitation. Don’t try to connect from the LinkedIn phone... app either as this also results in a generic invitation. 3) Connect with people you have really talked... with this and as long as you personalize the invitation with your intention for connecting, this is probably...
  8. Antibodies 101: ELISA (Enzyme-linked Immunosorbent Assay)

    Type
    Blog Post
    Published
    Aug. 24, 2021, 1:15 p.m.
    ...Figure 1: Overview of using Sandwich ELISA to quantitatively measure protein concentration or antibody specificity...Figure 2: Overview of using Competitive ELISA to quantitatively measure protein concentration or antibody specificity...Figure 3: Overview of using Direct ELISA to quantitatively measure protein concentration or antibody specificity...Figure 4: Overview of using Indirect ELISA to quantitatively measure protein concentration or antibody specificity...
  9. Educational Planarian Tools for Teaching Developmental Biology Techniques

    Type
    Blog Post
    Published
    May 24, 2018, 1:20 p.m.
    ...after amputation. For example, the dramatic “two-headed” phenotype is observable in post-amputation planarians... experiments, as well as how to perform worm amputations. They also created an online companion resource...beta-catenin. Other gene targets do not require amputation to be visible. For example, odf2 gene knockdown...
  10. Hot Plasmids May 2018 - Optogenetics, Decaffeination, Biosensors, and Fluorescent Protein Tools

    Type
    Blog Post
    Published
    May 15, 2018, 12:43 p.m.
    ... A major drawback of this method is the stray excitation of neighboring neurons in opsin dense regions...therapeutic methylxanthine drugs like theophylline. To facilitate future work with this goal, the Barrick lab has...N-demethylases and other required enzymes, including a glutathione S-transferase homolog from a Janthinobacterium...dark yellow fluorescent protein (YFP) with an excitation peak of 519 nm. These proteins have improved ...
  11. Engaging with science and society at pgEd

    Type
    Blog Post
    Published
    Sept. 20, 2018, 12:17 p.m.
    ...understanding of how our bodies work, new treatments for debilitating diseases, and maybe even ways to alleviate health... broaden the conversations about genetics and facilitate dialogue between scientists and communities. ...With our focus on engaging the community and facilitating dialogue, a major part of our everyday work ...jargon-filled language in academic writing and presentations. But for many people who don’t work in these...
  12. Quickest Way to Deposit Plasmids: The Deposit Spreadsheet

    Type
    Blog Post
    Published
    March 8, 2017, 3:15 p.m.
    ...consequences of that change. For example, “Mutated aspartate 123 to Lysine (D123K), lowers biosensor affinity...indicated in the “Species Other” column. Relevant Mutations Indicate the amino acid change as well as any...accept sequence files in any format. Distribution status for your plasmids: Hold for Publication or Distribute...
  13. Savvy Advocates Needed to Navigate a Scientific Enterprise in Flux

    Type
    Blog Post
    Published
    Sept. 13, 2016, 2:30 p.m.
    ...turn. The first is the passing and upcoming implementation of the Federal Labor Standards Act (FLSA) which... in salary, particularly given that this has precipitated increases to the NIH recommended pay scale –...and opportunities for us all.  For example, implementation and compliance for the FLSA changes, including...challenging, but will be aided by the development and implementation of new strategies designed to cope with current...
  14. Gaining Leadership Skills Volunteering at a Professional Organization

    Type
    Blog Post
    Published
    Aug. 6, 2015, 2:30 p.m.
    ... NPA states that Postdoctoral scholars should have the skills and techniques needed to facilitate effective... Chair automatically as it was an understood expectation of any Vice-Chair. Following an official assessment...leader in the NPA, I had to speak as an NPA representative and speak the NPA’s stance. I had to be professional...
  15. Tips for a 1st time AAV user (by a Rookie AAV user)

    Type
    Blog Post
    Published
    Oct. 23, 2018, 11:49 a.m.
    ...approach for harvesting my AAV. I skip the PEG precipitation of the HEK293 cell culture supernatant because...pellet. My yield would be higher if I used PEG precipitation, but for my experiments, I get enough virus ...culture media, you should consider performing PEG precipitation. Instead of sonicating the cell pellet, I lyse...with this AAV lysis buffer and freeze/thaw the lystate four times in a 95% ethanol and dry ice bath to...
  16. The AAVantages of AAV in CRISPR Screens

    Type
    Blog Post
    Published
    Feb. 4, 2025, 2:15 p.m.
    ... However, safety requirements and expression limitations may be too constraining for some experiments,...in your experiment. Figure 2: Visual representation of common AAV serotypes used for different ...that reside outside a host cell’s genome. In this state, AAV cargo can be stably expressed in non-dividing... on the Addgene Blog Overcoming the AAV Size Limitation for CRISPR Delivery Genome-wide Screening Using...
  17. PRIDICT: Predicting Efficiencies of Prime Editing Guide RNAs

    Type
    Blog Post
    Published
    June 25, 2024, 1:15 p.m.
    ...accounting for some of the inherent inaccuracies of computational prediction models. In addition, we provide options...most promising pegRNA designs and especially facilitates the use of prime editing in pooled settings with...models (such as PRIDICT/PRIDICT2.0) can greatly facilitate prime editing experiments, thus saving you time...Switzerland), where he developed a strong passion for computational biology. His expertise includes applying machine...
  18. Truncated gRNAs for Regulating Gene Expression

    Type
    Blog Post
    Published
    Jan. 10, 2017, 3:37 p.m.
    ...molecular biology and bioengineering, as it has facilitated the development of a simple and scalable means... gene expression. Its catalytic domains can be mutated to inactivate the protein’s nucleolytic capability...interrogation of gene function. However, there are limitations to a system that relies on two distinct Cas9 ...possible, this strategy suffers from several limitations. Perhaps most importantly, most Cas9 orthologs...
  19. Plasmids 101: Degron Tags

    Type
    Blog Post
    Published
    March 14, 2024, 1:15 p.m.
    ... or C terminal of a protein and can inducibly facilitate the degradation of the tagged protein. Degrons...here are all conditional, meaning that they only facilitate degradation of their fused protein under certain...through interacting ligands. After an E3 ligase facilitates ubiquitination of the Halo-tagged protein in ...HaloTag and its PROTAC are all that is needed to facilitate degradation. HaloTag is also the degron tag with...
Showing: 241 - 260 of 704 results