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Showing: 461 - 480 of 781 results
  1. Adenoviral Vector Production and Troubleshooting

    Type
    Blog Post
    Published
    June 14, 2018, 11:44 a.m.
    ...response against AdV. Importantly, recombination-competent adenovirus (RCA) can be generated if the E1 gene...negligible toxicity. However, their production is more complex and the presence of helper virus contaminants have...amplification.*Pro-Tip*: The cells will become completely confluent and the media will turn yellow. Do ...
  2. Hot Plasmids May 2018 - Optogenetics, Decaffeination, Biosensors, and Fluorescent Protein Tools

    Type
    Blog Post
    Published
    May 15, 2018, 12:43 p.m.
    ...clusters without accumulation in subcellular compartments such as nuclear speckles. Furthermore, CRY2clust...strain can be rescued by the xanthine produced via complete demethylation of caffeine. For example, the Barrick...a 1.2-fold greater extinction coefficient when compared to sREACH. Find the FLIM-FRET acceptors here. ...
  3. Lab Automation at Addgene

    Type
    Blog Post
    Published
    March 22, 2018, 1:28 p.m.
    ...allowing us to do up to 96 transformations in one run compared to doing about 50 transformations in the same ...increased plasmid demand it was too time consuming to complete this process by hand and we welcomed yet another...liquid handler can fill 400 vials in 35 minutes compared to a lab assisstant filling about 200 vials in...
  4. CRISPR 101: Targeting Non-Coding RNAs with CRISPR/Cas9

    Type
    Blog Post
    Published
    Nov. 14, 2024, 2:15 p.m.
    ...difficult to functionally manipulate and study in comparison to protein-coding genes (Rinn and Chang 2012)...deletions and insertions in the DNA sequence can completely disrupt expression of the transcribed ncRNA (...interactions between ncRNAs and adjacent genes are complex and not yet fully understood, so it is important...
  5. Engaging with science and society at pgEd

    Type
    Blog Post
    Published
    Sept. 20, 2018, 12:17 p.m.
    ...of science, even while I was a bench scientist completing my graduate studies in molecular biology and ...for the past three years. pgEd is a small team comprised of individuals from diverse backgrounds and disciplines...social context. This “general public” audience comprises the taxpayers who fund much of scientific research...
  6. Science communication: 9 Strategies to Get Your Foot in the Door

    Type
    Blog Post
    Published
    Sept. 27, 2017, 1:23 p.m.
    ...itself. Among other things, science communication comprises broadcasting, science writing, and certain aspects... get on stage for a Science Slam – a sort of competitive TED talk – to win the audience’s applause with...photography and participate in a science photo competition. Or nominate yourself as an educator for a short...
  7. 7 Simple Strategies to Resolve Conflicts with Difficult Supervisors

    Type
    Blog Post
    Published
    Jan. 21, 2015, 1:30 p.m.
    ...who are usually antagonistic and impolite, Complainers, who spend most of their time moaning about their...with negative comments (hostile-aggressives, complainers, know-it all experts, wet-blanket negativists...support from your colleagues or other supervisors to complete your work. Whether your supervisor is a negative...
  8. Plasmids 101: Optimizing Plasmid Yields

    Type
    Blog Post
    Published
    May 26, 2016, 2:30 p.m.
    ...the cell lysis process. To ensure that lysis is complete, use a reagent like Qiagen’s LyseBlue, which uses... uses color to show you if lysis is incomplete. Protein expression strains are not good for cloning Bacterial...the material used for inoculation. To further complicate matters, plasmid copy numbers are often ambiguous...
  9. Polymerase Chain Reaction Overview and Applications

    Type
    Blog Post
    Published
    Aug. 10, 2021, 1:15 p.m.
    ... fluorescent signal throughout the reaction is compared to a standard curve of amplified DNA of a known...The cycle in which the unknown DNA is detected compared to the standard curve can be used to determine... to note however, that multiplex PCR is more complicated to develop and is often less sensitive than PCRs...
  10. No Llamas Required - Synthetic Nanobodies Against Membrane Proteins

    Type
    Blog Post
    Published
    June 18, 2020, 1:15 p.m.
    ...proteins on the cell surface. Figure 1: Comparison of common antibody, HCab, and nanobody. For more...starting library size (up to 1012 members) in comparison to other display systems using phage and yeast...the end of the mRNA molecule, forming a ribosome complex consisting of the translated protein (sybody), ...
  11. Hot Plasmids: Winter 2025

    Type
    Blog Post
    Published
    March 11, 2025, 1:15 p.m.
    ... strategy uses new combinations of PE protein components (Figure 1), an altered epegRNA delivered with...protein-coupled receptors (GPCRs) are critical components of many physiological pathways and represent ...et al., 2024). Each plasmid expresses all the components of the biosensor in optimal proportions from ...
  12. The AAVantages of AAV in CRISPR Screens

    Type
    Blog Post
    Published
    Feb. 4, 2025, 2:15 p.m.
    ...screens have gotten larger, easier, and more comprehensive thanks to the consistent development and improvement...vectors is how the cargo — in this case, the CRISPR components — are expressed. Unlike lentivirus, cargo delivered... away from the comfort of Cas9, and opt for a completely different Cas effector, like Cas12a (Cpf1). Even...
  13. PRIDICT: Predicting Efficiencies of Prime Editing Guide RNAs

    Type
    Blog Post
    Published
    June 25, 2024, 1:15 p.m.
    ...RNA (pegRNA). The pegRNA consists of a target-complementary spacer, a scaffold sequence, and an extension...accounting for some of the inherent inaccuracies of computational prediction models. In addition, we provide options...Switzerland), where he developed a strong passion for computational biology. His expertise includes applying machine...
  14. Which Fluorescent Protein Should I Use?

    Type
    Blog Post
    Published
    May 20, 2014, 2:06 p.m.
    ...also is also called Bimolecular Fluorescence Complementation (BiFC). 8 points to keep in mind when choosing...divided by 1000. In many cases the brightness is compared to that of EGFP which is set as 1. Some proteins... BD bioscience. ilovegfp – a site with very comprehensive data sheets on many FP variants Plasmids 101...
  15. Better Dyeing Through Chemistry & Small Molecule Fluorophores

    Type
    Blog Post
    Published
    Sept. 8, 2016, 2:30 p.m.
    ...cells can decrease the number of fluorophores, compromising the photon budget. Likewise, the switch from...labeling chemistry easier and more functional in complex biological environments such as live cells and ...brightness of the resulting conjugate, and the complexity of the system. A particularly desirable property...
  16. Capturing a Moment with Marc Zimmer’s “The State of Science”

    Type
    Blog Post
    Published
    July 30, 2020, 1:15 p.m.
    ...No examination of the state of science would be complete without the inclusion of some interesting case...Prashers will find it increasingly difficult to compete (for funding, etc.) with that produced by the confident...the U.S. environment, and a decline in the competitiveness of U.S. science and technology.” This last ...
  17. Isolating Genomic Regions of Interest with the CRISPR System

    Type
    Blog Post
    Published
    May 30, 2019, 12:44 p.m.
    ...engineered DNA-binding molecule such as the CRISPR complex is expressed in cells to be analyzed, the Fujii...another "in vitro" form. In this form, the CRISPR complex, consisting of a recombinant dCas9 protein and ... a genomic locus through a specific gRNA-dCas9 complex. When combined with next-generation sequencing,...
  18. Deep Dive: Fixing and Permeabilizing for Immunofluorescence

    Type
    Blog Post
    Published
    Aug. 30, 2022, 1:15 p.m.
    ...your samples, the relationships between cellular components, and the accessibility of your target epitope...work by dehydrating and precipitating cellular components. This method of fixation is good for epitopes...away your target (for example, some cytoskeletal components) and you want to fix and permeabilize in one ...
  19. Fluorescent Proteins 101: Green Fluorescent Protein (GFP)

    Type
    Blog Post
    Published
    May 15, 2014, 3:33 p.m.
    ...importance of the entire GFP protein, which is almost completely required to maintain fluorescent activity; very...may not apply. Table 1: The specific mutations comprising common fluorophores Fluorescent Protein Mutations...chromophore to form with an indole rather than phenol component (cyan derivatives) Y66H Blue-shifts the wavelength...
  20. Tips for CRISPR Gene Editing in Mice

    Type
    Blog Post
    Published
    June 28, 2016, 10:59 a.m.
    ...ordering the sgRNA is simple and easy. Several companies supply gRNA sequences, such as GenScript, ThermoFisher...order them yourself through whatever DNA supply company you currently use. You can also find many previously...explored and it allowed control over each individual component of the system. However, it is easier to directly...
Showing: 461 - 480 of 781 results