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Showing: 201 - 220 of 650 results
  1. Career Insights: Technical Support Specialist

    Type
    Blog Post
    Published
    Nov. 9, 2017, 2 p.m.
    ...rather late stages (i.e. postdoc level) and can include the pressure to publish in high-impact journals...for insights from my time in technical support including tips, advantages, and disadvantages of this overall...without being too commercial or “sales-y”. The work includes reviewing customer data sets, troubleshooting ...
  2. The Challenges of Cell Culture

    Type
    Blog Post
    Published
    May 5, 2016, 2:30 p.m.
    ...the origin and propagation of the line, and can include assays for authentication and contamination) and...International Cell Line Authentication Committee includes a database listing all cross contaminated or misidentified...working for a variety of pharmaceutical companies including GSK, AstraZeneca-MedImmune, and Infors & Applikon...
  3. Plasmids 101: E. coli Strains for Protein Expression

    Type
    Blog Post
    Published
    Feb. 10, 2015, 3:06 p.m.
    ...expression strains to accommodate high protein levels including:  ompT: Strains harboring this mutation are deficient...Rhamnose-tunable T7 RNAP expression alleviates inclusion body formation. Expression vector cannot have ...insoluble globs of misfolded protein are known as inclusion bodies, and can be recovered and purified using...
  4. Tips for Using FRET in Your Experiments

    Type
    Blog Post
    Published
    Nov. 5, 2014, 3:41 p.m.
    ...The first time I heard about FRET during a journal club, my guitarist brain automatically thought about ...and several other pairs have been used since - including: mCerulean/mVenus, mCerulean/Amber, mCerulean/...Other issues that can affect FRET measurements include: the brightness of a fluorophore pair, donor:acceptor...
  5. Plasmids 101: The Promoter Region – Let's Go!

    Type
    Blog Post
    Published
    April 3, 2014, 8:05 p.m.
    ...have created synthetic promoters, which typically include some combination of other promoter elements, and...promoters for eukaryotes and prokaryotes We have included two reference tables below listing some of the... simian vacuolating virus 40 Constitutive  May include an enhancer. PGK1 (human or mouse) General expression...
  6. Harnessing Bacterial Toxins for Allelic Exchange

    Type
    Blog Post
    Published
    Aug. 15, 2019, 12:30 p.m.
    ...chloramphenicol-resistant strains, we have also included versions with gentamicin-resistance (amplified...broad group of Gram-negative Enterobacteriaceae including in E. coli O157:H7, Shigella flexneri, Enterobacter...where conjugation may be difficult, we have also included versions of pTOX that encode one of two visible...
  7. The Fluorescent Vegetables in Aptamer Soup

    Type
    Blog Post
    Published
    Jan. 29, 2019, 2:27 p.m.
    ...qualitative and quantitative measurement of processes including RNA movement by tagging RNA sequences with an ...Kellenberger et al., 2013). Other variants of Spinach include Baby Spinach, a miniaturized version of Spinach...aptamer fluorophores, more are in development, including Carrot and Radish from the lab that developed ...
  8. An Integrin Antibody Toolkit from IPI

    Type
    Blog Post
    Published
    March 28, 2024, 1:15 p.m.
    ...integrins are key to a diverse array of processes, including cell adhesion, migration, and signaling, as well...available through Addgene’s repository. The collection includes 26 unique antibodies that bind discrete subunits...domains. All bind specific integrin alpha subunits, including αL, αM and α5. IPI’s anti-integrin rAbs are unconjugated...
  9. Multiple Plasmids at a Low Price: Kits from Addgene

    Type
    Blog Post
    Published
    Sept. 14, 2016, 2:30 p.m.
    ...have been used to purify a variety of peptides including antibiotic efflux pumps and ankyrin seven-repeat...constructs. Some applications of plasmids from this kit include the production of a suicide switch in cyanobacteria...PUF protein fusions reported in the literature include RNA detection, RNA cleavage, and translational ...
  10. How to Negotiate a Successful Lab Start Up Budget

    Type
    Blog Post
    Published
    Sept. 1, 2015, 2:30 p.m.
    ...resources needed to accomplish your science, and can include: equipment, reagents, animals, glassware, and even...the institution/funding source. Major equipment includes large centrifuges, sequencers and analyzers, and... as many of these tools as possible, this even includes clocks, timers, and phones.  As for reagents and...
  11. How to Design Your gRNA for CRISPR Genome Editing

    Type
    Blog Post
    Published
    Sept. 24, 2020, 1:15 p.m.
    ...phenotype in order to conclude that the phenotype is due to an on-target effect. Conclusions Selection of gRNAs...modification of interest, it would be unwise to make conclusions on the basis of the activity of a single gRNA...
  12. Viral Vectors 101: Optogenetic Tools

    Type
    Blog Post
    Published
    June 27, 2023, 1:15 p.m.
    ... cascades (reviewed in Abreu & Levitz, 2020), including light-sensitive chimeric GPCRS (OptoXRs) (Tichy...experiments!  First, closely read the publication, including the supplemental data. You’re most likely to find...hardware, optogenetics tools, viruses, and more.  Conclusion   Optogenetic tools provide a powerful way to...
  13. Viral Vectors 101: AAV Serotypes and Tissue Tropism

    Type
    Blog Post
    Published
    Jan. 16, 2025, 3:42 p.m.
    ...AAVs to broadly spread throughout an organism, including difficult-to-target tissues like the central nervous...AAV pseudotyping. It has broad tissue tropism, including liver, muscle, lung, CNS, kidney, and retinal ...serotypes used to target the central nervous system, including neurons, AAV5 is generally the best choice for...
  14. Scientific Reproducibility - Focusing on Solutions at the Minisymposium on Reproducibility

    Type
    Blog Post
    Published
    May 18, 2018, 7:32 p.m.
    .... Other practices that fall into this category include performing experiments with too few replicates ...institute better experimental design practices including talking to statisticians when necessary and encouraging...Hines Minisymposium on Reproducibility Booklet - Including descriptions of many organizations promoting reproducibility...
  15. Plasmids 101: Repressible Promoters

    Type
    Blog Post
    Published
    Dec. 20, 2022, 2:15 p.m.
    ... variants that are less sensitive to ethanol, including the “middle” ADH1 promoter pADH1m, which maintains...Liqun Luo’s lab developed the Q system from a gene cluster in the fungus Neurospora crassa. The QUAS promoter...3 in a single modular vector for ease of use! Conclusion This post contains only a brief overview of some...
  16. Building Global Connections with the International Mentorship Program USA-EUROPE

    Type
    Blog Post
    Published
    Nov. 6, 2015, 3:30 p.m.
    ...mentioned above. The initial IMP cohort of 78 mentees included: 47 women (60.2%) 20 graduate students (25.6%...directly attributable to participation in the program included improvements in writing fellowships, giving oral...impressions of the IMP experience. Conference highlights included remarks by the Spanish Secretary of Research, ...
  17. Deep Dive: Statistical Tests (Comparisons)

    Type
    Blog Post
    Published
    March 7, 2023, 2:15 p.m.
    ...this time, it is! Factorial ANOVAs include two-way ANOVAs but can include many more than two independent ... Of course, a one-tailed test also works for exclusively less-than comparisons. Paired and unpaired t-tests...
  18. Tips for a 1st Time CRISPR User (by a 1st Time CRISPR User)

    Type
    Blog Post
    Published
    March 7, 2017, 3:30 p.m.
    ...Wild-type A549 cells do not express CAs9 and are included as a control (WT). Vinculin is a loading control... assay before, consider following their tips, including: Before digesting the DNA duplexes with Surveyor...PAGE instead of agarose to get sharper bands. Conclusion Overall, making a human cell line with a gene...
  19. Live and Let Dye: Self-Labeling Protein Tags

    Type
    Blog Post
    Published
    April 16, 2024, 1:15 p.m.
    ..., 1998), this 15 amino acid peptide contains a cluster of four cysteines (CCXXCC, where X is any non-cysteine...with minimal cross-reactivity. Other strategies include using engineered ligases to attach a ligand to ...choosing a dye or ligand to use for your experiment. Conclusion Researchers and vendors continue to develop new...
Showing: 201 - 220 of 650 results