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Showing: 601 - 620 of 904 results
  1. Antibodies 101: Choosing the Right Isotype

    Type
    Blog Post
    ...choosing antibodies   Complexity is a key factor Biological systems tend to be complex with a variety of ...proteins interacting. Experiments tend to be equally complex with users trying to probe multiple targets in ...
  2. CRISPR in the Clinic

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    Blog Post
    ...well as the introduction of the cancer-fighting component, CAR. Clinical trials are underway to explore ... have involved turning on fetal hemoglobin to compensate for defects in the adult hemoglobin produced ...for use in the next few months. Several other companies have followed suite, with Beam Therapeutics initiating...
  3. Plasmids 101: Terminators and PolyA signals

    Type
    Blog Post
    ...structure of the hairpin-DNA complex is thought to destabilize the transcription complex, initiating cleavage ...mechanism, whereas Polymerase II termination is more complex and involves two RNA polymerase-associated proteins...
  4. Genome-wide Screening Using CRISPR

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    Blog Post
    ... and versatility. CRISPR/Cas9 consists of two components: the non-specific endonuclease (Cas9) and a single...any genomic locus, provided the target is unique compared to the rest of the genome and located immediately...distribution is analyzed in the drug-resistant population compared to a non-treated control group. In this scenario...
  5. 7 Simple Strategies to Resolve Conflicts with Difficult Supervisors

    Type
    Blog Post
    ...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...
  6. No Llamas Required - Synthetic Nanobodies Against Membrane Proteins

    Type
    Blog Post
    ...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), ...
  7. Polymerase Chain Reaction Overview and Applications

    Type
    Blog Post
    ... 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...
  8. PRIDICT: Predicting Efficiencies of Prime Editing Guide RNAs

    Type
    Blog Post
    ...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...
  9. Plasmids 101: Optimizing Plasmid Yields

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    Blog Post
    ...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...
  10. Which Fluorescent Protein Should I Use?

    Type
    Blog Post
    ...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...
  11. Better Dyeing Through Chemistry & Small Molecule Fluorophores

    Type
    Blog Post
    ...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...
  12. Tips for CRISPR Gene Editing in Mice

    Type
    Blog Post
    ...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...
  13. Deep Dive: Fixing and Permeabilizing for Immunofluorescence

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    Blog Post
    ...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 ...
  14. Capturing a Moment with Marc Zimmer’s “The State of Science”

    Type
    Blog Post
    ...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 ...
  15. Isolating Genomic Regions of Interest with the CRISPR System

    Type
    Blog Post
    ...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,...
  16. Fluorescent Proteins 101: Green Fluorescent Protein (GFP)

    Type
    Blog Post
    ...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...
  17. Controlling for Off-target Effects with a New Genome-wide CRISPR Screen Design

    Type
    Blog Post
    ...decreased p-values of known ricin regulation genes compared to results generated using non-targeting guides...full-length (19-20 bp) or short (17-18 bp) guides. When comparing the toxicity of guides that have 1-bp mismatch...off-target sites, short guides had reduced toxicity compared to full-length guides. Reduced toxicity of short...
Showing: 601 - 620 of 904 results