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We narrowed to 729 results for: NSI

Showing: 191 - 200 of 729 results

  1. Antibodies 101: Beyond Surface Labeling

    Type
    Blog Post
    Published
    June 27, 2024, 1:15 p.m.
    ...antibodies, increasing the fluorescence signal intensity. However, you need to be careful when selecting...interest is not located on the cell membrane but inside the cell. Due to their chemical nature, antibodies...nucleus intact. If markers of interest are located inside the nucleus, a different fix/perm kit is required...that can enter cells freely are typically used. Inside the cell, the ester group is cleaved off by enzymes... yielding a stepwise decrease in fluorescence intensity in a (histogram) flow plot (Figure 4b). Through...

  2. Deep Mutational Scanning with One Pot Saturation Mutagenesis

    Type
    Blog Post
    Published
    Feb. 22, 2017, 3:30 p.m.
    ...concentration of Taq polymerase, 2) increased PCR extension time, 3) increased concentration of MgCl2, 4) ...vector with Gibson assembly. While this is a comprehensive mutagenesis method, a drawback to using Gibson...scanning libraries. PFunkel: Of prior existing comprehensive mutagenesis methods, PFunkel offers the best...PCR-based approach for generating a customizable comprehensive mutagenesis library that’s ready to be tested...Elad, and Marc Ostermeier. “PFunkel: Efficient, Expansive, User-Defined Mutagenesis.” Ed. D. Dafydd Jones...

  3. Five Popular Model Organisms, Part 2

    Type
    Blog Post
    Published
    Sept. 29, 2020, 1:15 p.m.
    ...metabolic engineering.  The E. coli genome has an extensive research history and characterization. Many proteins...cardiovascular disease, specifically stroke and hypertension (Iannaccone et al., 2009). Rodents have also...amphibians in science with early research providing insight into some of the most significant and fundamental... plant model organisms in the world. With its extensive scientific history, highly characterized genome...Genome sequence of the Brown Norway rat yields insights into mammalian evolution. Nature 428, 493–521 ...

  4. Multiple Plasmids at a Low Price: Kits from Addgene

    Type
    Blog Post
    Published
    Sept. 14, 2016, 2:30 p.m.
    ...gene of interest) and prevent incorporation of extensive sequences used for cloning into the final translated...Biosafety of biotechnologically important microalgae: intrinsic suicide switch implementation in cyanobacterium... integrity, expression level, and aggregation propensity in four expression systems: E. coli, wheat germ...frequencies across timepoints or populations. This kit consists of a 48 plasmid adapter library, with each plasmid...Morgan’s blog post on the PUF Assembly Kit for some insights on its potential from its creators. We hope you...

  5. Evolution of Brainbow: Using Cre-lox for Multicolor Labeling of Neurons

    Type
    Blog Post
    Published
    April 24, 2015, 2:39 p.m.
    ...included inducible Cre, such as the tamoxifen-responsive CreERT, the coupling of Cre-lox with FLP-FRT ...limited due to low resolution or were very time-intensive, necessitating the development of a new technique...This system differs from Brainbow-1.0 in that transient Cre recombination is required to prevent constant...tissue was challenging due to low fluorescence intensity, caused partially by fluorophore photoinstability... the Brainbow technique will provide important insights into the complicated physical organization of ...

  6. Plasmids 101: Common Lab E. coli Strains

    Type
    Blog Post
    Published
    Nov. 7, 2014, 2:56 p.m.
    ...prokaryotic minions that carried out the labor-intensive process of replicating your new plasmid: the Escherichia...certain restriction enzymes that are methylation sensitive. dnaJ Mutation in a chaperonin gene Increases...strains are all based on E. coli K-12 and are considered BSL-1. Table 2: Lab strains of E. coli Strain...Dam or Dcm methylated, allows for methylation sensitive restriction enzymes to cut the plasmid after preparation...tables are by no means exhaustive! For a more comprehensive list and additional information, visit OpenWetWare's...

  7. How to Design Your gRNA for CRISPR Genome Editing

    Type
    Blog Post
    Published
    Sept. 24, 2020, 1:15 p.m.
    ...gRNAs! Comic by Maya Kostman.   Important considerations before you start an experiment with CRISPR ...expression. Location and sequence are important considerations for designing your gRNAs. For indels, it's ...off targets. For CRISPRa and CRISPRi, these considerations are of roughly equal importance (target should..., 2020). is not limited to single nucleotide transitions but still requires a nearby PAM, although these...The off-target activity of gRNAs is important to consider. While the basic landscape of mismatches that ...

  8. A Practical Guide to Optimizing AAV DIO and FLEx Vector Expression

    Type
    Blog Post
    Published
    Nov. 2, 2021, 1:15 p.m.
    ...FLEx Vectors Important Considerations When Using AAVs Three Key Considerations For Precise Neuronal Targeting...-target expression.  Some classes of neurons transiently express TH during development or have low levels...titer to prevent off-target expression of the sensitive FLEx-split TVA receptor used for tracing neural...recombinase-dependent AAV vectors and mitigation with cross-over insensitive ATG-out vectors. Proc Natl Acad Sci USA 116:27001...

  9. Quick Guide to All Things Lentivirus

    Type
    Blog Post
    Published
    March 21, 2017, 2:30 p.m.
    ...the Moloney Murine leukemia virus (MoMLV) and consisted of two plasmids: the packaging plasmid containing...vectors Although retroviruses are still in use, considerable efforts have been devoted to develop efficient...generation. The 1st generation of lentiviral vectors consisted of three plasmids encoding 1) the lentiviral vector... from one batch to another. For experimental consistency it’s a good idea to purify and titer your virus...sucrose to the supernatant to create a gradient of density that favours virus precipitation. My tip for this...

  10. Fluorescent Proteins 101: Monitoring Cell Mobility Using Fluorescent Proteins

    Type
    Blog Post
    Published
    Aug. 15, 2017, 1:24 p.m.
    ...for a growing organism to make the complicated transition from a clump of cells to a fully differentiated...cooperate to cause a higher-energy electronic transition in a fluorescent molecule (see figure to the ...technical specificities have to be taken into consideration especially in the use of fluorescent proteins...wavelength can significantly affect emission intensities from fluorescent proteins (Salomonnson et al....Marcello, et al. "Dynamic imaging of dendritic cell extension into the small bowel lumen in response to epithelial...
Showing: 191 - 200 of 729 results