Skip to main content

We narrowed to 818 results for: cha

Showing: 421 - 440 of 818 results
  1. Quantifying DNA? Here are Five DNA Quantification Methods to Consider

    Type
    Blog Post
    Published
    July 21, 2020, 1:15 p.m.
    ...absorb best at 280 nm and organic compounds and chaotropic salts maximally absorb at 230 nm. The A260/A280...doesn’t tell you about contaminating proteins or chaotropic salts. Capillary electrophoresis Quantifying...fragments move through a micro- or nanofluidic channel and the sample is separated by electrophoresis....
  2. The Power Behind NGS Plasmid Validation: seqWell

    Type
    Blog Post
    Published
    April 19, 2017, 3:25 p.m.
    ...and accurate sequencing (“reading”) of DNA, have changed our collective thinking about the feasible size...seqWell, Inc., our mission is to overcome crucial challenges in NGS by developing technologies that can help...problem in multiplex NGS library preparation. The challenge here is that, as more samples are sequenced simultaneously...
  3. Addgene Welcomes John Doench to the Advisory Board

    Type
    Blog Post
    Published
    Aug. 13, 2015, 2:30 p.m.
    ...throughput functional characterization of specific edits to the genome. Such characterization can be done in ...The RNAi process had just been discovered, the mechanism was barely understood.” Doench’s graduate work...
  4. Resume Writing for Non-academic Science Careers

    Type
    Blog Post
    Published
    Dec. 18, 2014, 4:06 p.m.
    ...non-academic one, one of the biggest changes (and perhaps challenges) is the need to present yourself using...studied astronomy or bioinformatics data, then the chance is that you have handled large data sets and are...
  5. Choosing Your Fluorescent Proteins for Multi-Color Imaging

    Type
    Blog Post
    Published
    Oct. 9, 2014, 3 p.m.
    ... for them to be imaged in distinct fluorescent channels on the microscope. With the proliferation of fluorescent...the best protein for a given application is a challenge. To help keep you abreast of the latest fluorescent... abundant proteins, with the blue and infrared channels used for more abundant proteins or marking compartments...
  6. Plasmids 101: Mammalian Vectors

    Type
    Blog Post
    Published
    March 25, 2014, 3:15 p.m.
    ...cells Blocks polypeptide synthesis at 80S; inhibits chain elongation 100-800 ug/mL Hygromycin B hygB HeLa...cells Blocks polypeptide synthesis at 80S; inhibits chain elongation. 50-500 ug/mL Puromycin pac HeLa, 293HEK...Jurkat T cells Inhibits protein synthesis; premature chain termination 1-10 ug/mL Zeocin Sh bla HeLa, NIH3T3...
  7. From Lab Bench to Leadership: Transitioning into Management as a PhD

    Type
    Blog Post
    Published
    Jan. 21, 2025, 2:15 p.m.
    ...management, the journey can be as exciting as it is challenging. How do you prepare for this shift and navigate...experiences, and practical advice for overcoming challenges. Experimenting with leadership opportunities...'ve witnessed several colleagues do this while changing industries and positions. Some people discover...
  8. Flow Cytometry Readouts: Yes, No, and Everything in Between

    Type
    Blog Post
    Published
    Aug. 20, 2024, 1:15 p.m.
    ...picked up by the sensors. You can adjust this by changing the voltage for the particular fluorophore prior...protein into your cells (visualized via the FITC channel) and you are trying to see what percentage of total...expression, using a histogram plot and MFI values to characterize your samples may allow for better interpretation...
  9. Clear and Accessible Writing

    Type
    Blog Post
    Published
    Feb. 15, 2024, 2:15 p.m.
    ...our understanding of what accessibility is would change over the next twenty years. But learn we did! ...scientific paper, you may feel it’s overwhelming or challenging. So instead, let’s focus on practicing with a...when I’m done? What are we trying to fundamentally change about their knowledge?    Here, this image is being...
  10. AAV Q&A with Tim Miles

    Type
    Blog Post
    Published
    May 17, 2022, 1:15 p.m.
    ...the presentation and Q&A session on our YouTube channel. And with no more ado, the questions!  AAV Prep...prohibitive problem? A: Re-administration is a challenge for AAV due to the development of neutralizing... in diseases which may be linked to epigenetic changes, such as multiple sclerosis?  A: Basic science ...
  11. Choosing a CRISPR Nuclease: Site Accessibility, Specificity, and Sensitivity

    Type
    Blog Post
    Published
    Nov. 5, 2019, 1:28 p.m.
    ...experimental approaches. One example is CasX, characterized by the Oakes and Doudna Labs, which is both ...research and potentially treatments. Cas12b, characterized by the Zhang (Strecker et al., 2019) and Li ... relative to Cas9. As scientists continue to characterize CRISPR nucleases from a variety of sources, ...
  12. Why and how to start studying chromatin (with Addgene's help)

    Type
    Blog Post
    Published
    June 12, 2018, 11:40 a.m.
    ...biological phenomenon, there’s a reasonable good chance that Addgene can help. Though it would be difficult...Kerstin Bystricky Courtney Hodges Sharon Dent Archa Fox Elaine Fuchs Kai Ge Robert Kingston Thoru ...Julie Ahringer Alexander Stark Bas van Steensel Richard Young Yi Zhang Leonard Zon  You!     Chromatin-related...
  13. Plasmids 101: Inducible Promoters

    Type
    Blog Post
    Published
    Jan. 18, 2018, 2:34 p.m.
    ...IPTG, the lac repressor undergoes a conformational change that removes it from lacO sites within the promoter...there is very little crossover. The induction mechanism must also be compatible with your experimental...The Promoter Region Plasmids 101: Cre-lox Light-Switchable Two-Component Systems for E. coli Browse other...
  14. A Deep Dive into BioBuilder

    Type
    Blog Post
    Published
    Oct. 11, 2017, 1:44 p.m.
    ...knew that the best days in the classroom are characterized by intense student engagement and joy, rather...development comes from the Caltech lab of Professor Richard Murray. Murray’s lab uses cellular extracts to ...collaboration has resulted in a new BioBuilder book chapter and an illustrated, downloadable classroom poster...
  15. Luminescent Imaging with Nano-lanterns

    Type
    Blog Post
    Published
    May 25, 2017, 2:30 p.m.
    ...imaging! These eNL constructs use the brightest characterized luciferase, NanoLuc, and its substrate furimazine...Nagai laboratory has a done a wonderful job characterizing Nano-lanterns and eNL for many different applications...eNL-based calcium sensor displaying a 500% signal change upon calcium binding. Suzuki et al. also envision...
  16. Protein Tagging with CRISPR/Cas9: A Conversation with Mendenhall and Myers

    Type
    Blog Post
    Published
    July 28, 2015, 2:30 p.m.
    ...non-coding portion of the genome. Mendenhall and Richard Myers of HudsonAlpha (where Mendenhall is also ...transcription factor. The FLAG antibody has been well characterized and the system allows you to add this same antibody... Besides being fast and efficient, what other challenges does this system help to solve? Myers: Only a...
  17. CRISPR 101: Non-Homologous End Joining

    Type
    Blog Post
    Published
    April 16, 2015, 3:45 p.m.
    ...contributed by David Wyatt and Dale Ramsden, UNC at Chapel Hill. One advantage to using the CRISPR/Cas system...heterogeneous. There is consequently about a two-thirds chance of causing a frameshift mutation. Of some importance...the Lineberger Comprehensive Cancer Center at UNC Chapel Hill.   References Bennardo N, Gunn A, Cheng A,...
  18. Dos & Don'ts When Publishing a Scientific Manuscript

    Type
    Blog Post
    Published
    May 22, 2014, 4:02 p.m.
    ...Developmental Editor at F1000Research.  With many changes taking place in the world of science publishing... you look unprofessional and doesn’t help your chances of getting your manuscripts published in the future...manuscript full of spelling errors will not have a great chance of getting published. In summary, it is a good...
  19. Plasmids 101: Yeast Vectors

    Type
    Blog Post
    Published
    Feb. 25, 2014, 7:11 p.m.
    ...for genetic analysis, as well as an efficient mechanism of homologous recombination to facilitate simple...primarily pertains to ORIs in budding yeast, Saccharomyces cerevisiae; however, we’ve also noted some features...required for the replication of fission yeast, Schizosaccharomyces pombe, vectors at the end.) In a previous...
  20. Kiran Musunuru on the Newest TALEN Genome-Editing System

    Type
    Blog Post
    Published
    Dec. 10, 2013, 3:13 p.m.
    .... In a recent issue of Cell Stem Cell, Musunuru, Chad Cowan and their colleagues describe a much more ...genome editing tool with which one can introduce changes into the genomes of mammalian or other cells. TALENs...for a particular sequence, there is a much better chance they will bind that sequence. That’s the revolutionary...
Showing: 421 - 440 of 818 results