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Showing: 451 - 500 of 704 results
  1. Summer SciComm Series: A PhD in Science Communication

    Type
    Blog Post
    Published
    Aug. 23, 2022, 1:15 p.m.
    ...makes it easier to spot even minor weakness or limitations in a piece of research (Drummond & Fischhoff,... the National Academy of Sciences of the United States of America, 114(36), 9587-9592. doi:10.1073/pnas...
  2. New Neuroscience Tool: The iGluSnFR3 Glutamate Sensor

    Type
    Blog Post
    Published
    April 7, 2022, 1:15 p.m.
    ...However, the first two generations of iGluSnFR had limitations: they were not optimal for experiments requiring...photon imaging.   Figure 1: 1P and 2P excitation and emission spectra of SF-Venus-iGluSnFR.A184V...
  3. How to Lead a Great Meeting

    Type
    Blog Post
    Published
    Feb. 9, 2016, 3:30 p.m.
    ... the purpose of the meeting: Begin meetings by stating “The purpose of this meeting is to _________." ...ambassador” from each affected team to be the representative in the meeting and then communicate outcomes...
  4. Components of CRISPR/Cas9

    Type
    Blog Post
    Published
    Feb. 2, 2016, 5 p.m.
    ...LbCpf1 RR variant 5' TYCV AsCpf1 RVR variant 5' TATV Campylobacter jejuni (CJ) 3' NNNNRYAC  Neisseria... as a scaffold linking the crRNA to Cas9 and facilitates processing of mature crRNAs from pre-crRNAs derived...
  5. Synthetic Photobiology: Optogenetics for E. coli

    Type
    Blog Post
    Published
    Sept. 8, 2015, 2:30 p.m.
    ... image, as well as a genetic method for the computational problem of edge detection. Tabor et al. subsequently...some promoter activity persisted in the inactive state. The dynamic range, defined as the difference between...
  6. Fluorescent Proteins 101: Luciferase

    Type
    Blog Post
    Published
    June 24, 2014, 3:59 p.m.
    ...slower than fluorescent-based methods, such as excitation of Green Fluorescent Protein (GFP) because of...enhancers and untranslated regions, or the effect of mutations of these regulatory elements on gene expression...
  7. Finding and Joining Your Dream Lab

    Type
    Blog Post
    Published
    April 8, 2014, 2:50 p.m.
    ...Potential graduate students typically go through a rotation, which reveals their working habits, personality...the PI on any paper. Or perhaps, the lab has a reputation for not entering collaborations. Alternatively...
  8. Plasmids 101: Sequence and Ligation Independent Cloning (SLIC)

    Type
    Blog Post
    Published
    Sept. 26, 2024, 1:15 p.m.
    ...SLIC compare to other cloning methods? SLIC’s limitations arise from its dependence on single-stranded ...may be assembled incorrectly. To overcome this limitation, one option is to perform a hierarchical assembly...
  9. Flow Cytometry Readouts: Yes, No, and Everything in Between

    Type
    Blog Post
    Published
    Aug. 20, 2024, 1:15 p.m.
    ... are positive for your marker would be a good statistic to compare between samples. In cases where there...characterize your samples may allow for better interpretation. Priyamvada Prathima has a research background...
  10. 15 Years of Addgene: The Top 15 Plasmids

    Type
    Blog Post
    Published
    Jan. 8, 2019, 1:54 p.m.
    ...plasmid of all time, but was found to have a point mutation in the puromycin cassette that makes it less efficient...(BB)-2A-Puro (PX459) V2.0. It contains a point mutation in the puromycin cassette that makes it less efficient...
  11. A Deep Dive into BioBuilder

    Type
    Blog Post
    Published
    Oct. 11, 2017, 1:44 p.m.
    ...BioBuilder curriculum is now taught in almost every state in the U.S. and in more than 30 countries around...The BioBuilder Learning Lab is a fully equipped, state-of-the-art lab embedded in LabCentral’s community...
  12. A Practical Approach to Choosing the B(right)est Fluorescent Protein

    Type
    Blog Post
    Published
    June 1, 2017, 2:30 p.m.
    ...determine brightness are the extent to which the excitation light is absorbed and the efficiency by which...account, including the specs of your microscope (excitation wavelength, available emission filters, and detector...
  13. Viral Vectors 101: Biosensors

    Type
    Blog Post
    Published
    July 6, 2023, 1 p.m.
    ...DNA, etc. The receptors job is to generate a quantitative signal upon recognizing the analyte. This signal...biosensor is the signal transducer which will quantitatively give a readout for whatever the bio-recognition...
  14. Viral Vectors 101: The AAV Retrograde Serotype

    Type
    Blog Post
    Published
    April 27, 2023, 1:15 p.m.
    ...have a major impact on experimental design and interpretation of results. Take extra care when evaluating... present at both the injection site and in the putative projection neurons. When using this serotype to...
  15. AAV Q&A with Tim Miles

    Type
    Blog Post
    Published
    May 17, 2022, 1:15 p.m.
    ...If you missed the webinar, you can watch the presentation and Q&A session on our YouTube channel. And ... a standard curve and somewhat more reliable quantitation. Differences in sample treatment across methods...
  16. Antibodies 101: Buffers, Storage, and Conjugates

    Type
    Blog Post
    Published
    Feb. 1, 2022, 2:15 p.m.
    ... to use, not sensitive to light in its inactive state, and cheap. Unless there’s a specific reason you...a specific wavelength of light in response to excitation by a laser, which is then read by a detector ...
  17. Plasmids 101: Screening Strategies Used in Plasmid Cloning

    Type
    Blog Post
    Published
    Sept. 15, 2020, 1:15 p.m.
    ...non-functional 𝛽-galactosidase. Complementing this mutation by expressing this deleted portion, for example...custom primers are especially helpful in verifying mutations that wouldn't be reached by sequencing from either...
  18. 3 Challenges in Plant Synthetic Biology

    Type
    Blog Post
    Published
    July 22, 2014, 5:46 p.m.
    ...excited to see how this exchange of genetic tools facilitates plant science. Challenge #3: Intellectual property...in 2004, she accepted a commission in the United States Air Force. She left active duty to pursue a degree...
  19. Form Your Own Peer Mentoring Group: A How-To Guide for Scientists

    Type
    Blog Post
    Published
    Feb. 18, 2014, 4:22 p.m.
    ...Assign each meeting a leader from the group in a rotation. The leader for that meeting is responsible for...and meet to debrief on the topic (career) or presentation style (science). Have a potluck dinner. Invite...
  20. Celebrating 15 Years of Scientific Sharing

    Type
    Blog Post
    Published
    Jan. 14, 2019, 2:08 p.m.
    ...We are delighted at the early outcomes and the ecstatic reception by scientists. The success of these...candidates from internal referrals. Our long reaching reputation helps us hire great people from farther away ...
  21. Pairing CombiGEM and CRISPR for Combinatorial Genetic Screening

    Type
    Blog Post
    Published
    April 12, 2016, 2:30 p.m.
    ...plasmid. Each gRNA combination can be tracked and quantitatively analyzed by sequencing its set of barcodes....: Forward oligo: 5’- CACCGNNNNNNNNNNNNNNNNNNNGTTTGGGTCTTCGAGAAGACCTATTCXXXXXXXXC -3’; Reverse oligo: 5...
  22. dTAG - You're it!

    Type
    Blog Post
    Published
    June 21, 2018, 2:06 p.m.
    ...selective small molecule binders. To overcome this limitation, we created a generalizable tag-based strategy...context. Immunoblotting is recommended, while quantitative proteomics experiments will provide the best...
  23. RANbodies: Reporter Nanobody Fusions

    Type
    Blog Post
    Published
    April 10, 2018, 12:56 p.m.
    ...RANbody platform from the Sanes Lab overcomes this limitation and allows for the flexible design and small ...you own DNA ladders with these plasmids from Penn State Need help picking the right fluorescence microscopy...
  24. CRISPR 101: Cas9 vs. The Other Cas(s)

    Type
    Blog Post
    Published
    Dec. 8, 2022, 2:15 p.m.
    ...therapeutic delivery by AAV, which has strict capacity limitations. New efforts have recently been made to increase...engineering goals expand beyond generating frameshift mutations or single base pair edits, these enzymes are worth...
  25. Antibodies 101: Affinity Reagents

    Type
    Blog Post
    Published
    April 14, 2022, 1:15 p.m.
    ... in the orientation of the two fragments. However, rigidity can be introduced through mutation, allowing...
  26. Antibodies 101: Secondary Antibodies

    Type
    Blog Post
    Published
    Dec. 21, 2021, 2:15 p.m.
    ...sometimes assumed that the direct method is more quantitative than the indirect method. But in reality, multiple...immunoimaging assays do not allow for absolute quantitative analysis of a sample. Instead, relative quantification...
  27. The Future of Research Symposium Boston 2015

    Type
    Blog Post
    Published
    Oct. 20, 2015, 2:30 p.m.
    ...at this event added to a growing dialogue on the state of a system that, despite all of its successes, ...Andrew Young School of Policy Studies at Georgia State University, is an expert on the academic labour ...
  28. New Tool for Lineage Tracing: The ClonTracer Library

    Type
    Blog Post
    Published
    Sept. 22, 2015, 2:30 p.m.
    ...the take rate of mouse xenografts after cell implantation. Their goal was to figure out how to optimize...lung cancer cell line containing an activating mutation in epidermal growth factor receptor (EGFR) with...
  29. Plasmids 101: Golden Gate Cloning

    Type
    Blog Post
    Published
    Aug. 27, 2015, 2:30 p.m.
    ... that flank their DNA fragment in an inverse orientation. This allows for multiple DNA components (promoters...amplification can be used to create silent point mutations at internal recognition site(s) thus eliminating...
  30. Meet an Addgenie: Insights into Grad School, Career Paths, and More

    Type
    Blog Post
    Published
    June 25, 2020, 1:15 p.m.
    ...sense to get my master’s and leave. I was really devastated when that happened. I didn't know if I should.... The choice to not go to medical school was devastating. At the same time, she has an entirely new path...
  31. 6 Tips for Grant Writing

    Type
    Blog Post
    Published
    Oct. 18, 2016, 2:30 p.m.
    ...paper, but positive outcomes can include poster presentations, talks about your work, or even the successful...Learn How to Become a Grant Writing Professional Facilitate Career Planning and Personal Development with...
  32. Tips for Technical Support Calls

    Type
    Blog Post
    Published
    Sept. 20, 2016, 2:39 p.m.
    ...scientific articles, patents, and even some doctoral dissertations. Streamline the question asking process Having...answer, consider asking to avoid unrealistic expectations. And finally, provide feedback. If you are...
  33. Popular Retroviral Vectors and Their Uses in Scientific Research

    Type
    Blog Post
    Published
    July 24, 2018, 12:51 p.m.
    ...MuLE (Multiple Lentiviral Expression) system facilitates the simultaneous introduction of multiple genetic...overexpression, knockdown (shRNA, miR-30-shRNA), mutation/editing (CRISPR-Cas9) or deletion (Cre), together...
  34. Degrading DNA with Cascade-Cas3

    Type
    Blog Post
    Published
    Feb. 11, 2025, 2:15 p.m.
    ...chance of a chromosomal inversion, or just random mutations if the chromosome is repaired with all the original...deleting a problematic copy of a gene that causes a debilitating disease! This is, of course, only hypothetical...
  35. Magnetic Control of Proteins: More than a Dream

    Type
    Blog Post
    Published
    Sept. 24, 2024, 1:15 p.m.
    ...eventually found a version of AsLOV2 with five mutations (C450P, L496V, Q513K, G528K, D540M) that shows... and ΔF/F of MagLOV, a variant of AsLOV2 with mutations C450P, L496V, Q513K, G528K, D540M, in response...
  36. Chromoproteins: Colorful Proteins For Molecular Biology Experiments

    Type
    Blog Post
    Published
    Feb. 4, 2020, 2:15 p.m.
    ...However, many fluorescent proteins face similar limitations, and many labs are already using these chromoproteins...promoter. The resolution step leads to the desired mutation and excision of the vector backbone. To do this...
  37. Academic vs. Industry Postdocs

    Type
    Blog Post
    Published
    Nov. 13, 2018, 1:22 p.m.
    ...industry, you’re more likely to give an oral presentation to highlight any new data or ask for additional...industry with most team members giving oral presentations, you will also have to attend many more meetings...
  38. 3D Printing Meets CRISPR Cas9

    Type
    Blog Post
    Published
    Oct. 17, 2017, 12:55 p.m.
    ... that was not “poised for cleavage”. Jacob computationally added the non-template strand to the Jinek ... this model also displays the several Lys/Ala mutations reported by Ian Slaymaker and colleagues to reduce...
  39. Plasmids 101: Optimizing Plasmid Yields

    Type
    Blog Post
    Published
    May 26, 2016, 2:30 p.m.
    ...due to its endA1 recA1 relA1 genotype, as these mutations improve plasmid stability and yield. If a plasmid...using older plates could increase plasmid loss or mutation. Let it incubate Increasing the incubation time...
  40. Plasmids 101: Protein Expression

    Type
    Blog Post
    Published
    June 7, 2018, 1:17 p.m.
    ..., tobacco, rice, sugarcane, and even tubers of potatoes have been used for protein expression. Plant ...well-defined media and can be easily adapted to fermentation allowing for large-scale, stable production ...
  41. xCas9: Engineering a CRISPR Variant with PAM Flexibility

    Type
    Blog Post
    Published
    March 28, 2018, 6:52 p.m.
    ... Base editing, another method to create point mutations, also has a strict editing window about 15 nt ...mutagenesis plasmid (MP6) permits quick, large-scale mutation of the gene of interest. They created a selection...
  42. Of Myc and Men

    Type
    Blog Post
    Published
    Jan. 19, 2023, 2:15 p.m.
    ...partner; as I write this, there are close to 10,000 citations for anti-Myc 9E10 in CiteAb, many of which are...no antibody is that perfect. One of the known limitations was described by Schüchner, et al., who published...
  43. Experimenting with New Careers while in Grad School

    Type
    Blog Post
    Published
    Feb. 25, 2016, 3:30 p.m.
    ...for CINSO. For instance, I tweeted to the Indiana State Museum and others when I was trying to find local...informal science educators, and ever since, the State Museum has been the best supporter and most productive...
Showing: 451 - 500 of 704 results