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We narrowed to 962 results for: tes

Showing: 521 - 540 of 962 results
  1. Trading Spaces - Visiting Scientist Edition

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    Blog Post
    ...there is someone you personally know or your lab collaborates with that can fulfill your research needs, that... that is probably the easiest path. Some institutes have structured visiting positions within defined ... any protocols the day before, etc.), take good notes, and ask questions if you don’t understand something...
  2. Hot Plasmids - January 2023

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    Blog Post
    ...area, as the image below shows:    This system ablates tumors just as effectively as standard CAR-T cells...elevated at stable levels for 6 days - after just 15 minutes of FUS.  Similar constructs to the one above can...conditions better than most FPs. The group also tested hfYFP in expansion microscopy as well as correlative...
  3. DAP arrays for multiplex gene editing

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    Blog Post
    ...stood out from their initial testing. It outperformed other tRNA candidates (either from human or plant...muscular dystrophies, heart disease, and type 2 diabetes, across four different types of human cells, including...
  4. Quantifying DNA? Here are Five DNA Quantification Methods to Consider

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    Blog Post
    ...measures these absorbances using UV-transparent cuvettes. First you measure the absorbance of the buffer...-2 ul of sample and the run time is just a few minutes per sample. During the run, DNA fragments move ...quantified over time using a fluorescent dye that intercalates into the DNA such that smaller fragments are...
  5. Predicting Adverse Reactions to Monoclonal Antibody Drugs

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    Blog Post
    ...specific subsets like CD4+ or CD8+ T-cells or monocytes. PBMCs can be further differentiated into dentritic...decisions about in vivo application and clinical testing. This would pave the way for improved patient outcomes...Burns-Naas, L. A. (2015). Chapter 27—Immunotoxicology Testing of Monoclonal Antibodies in Macaca fascicularis...
  6. Components of CRISPR/Cas9

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    Blog Post
    ...CRISPR/Cas system, Cas9 is guided to its target sites with the aid of two RNAs: the crRNA which defines... as a scaffold linking the crRNA to Cas9 and facilitates processing of mature crRNAs from pre-crRNAs derived...modify the desired genomic locus.   Some historical notes CRISPR arrays in bacterial genomes consist of repeated...
  7. Management for Scientists: Delegating is Key

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    Blog Post
    ... meeting on the calendar even if it is just 15 minutes a week. Clearly identify constraints and boundaries...only way and may not even be the best way. This facilitates success and trust. Micromanaging is bad for everyone...Update frequently with progress reports, meeting minutes and plan changes. Written documentation helps make...
  8. Plasmids 101: Mammalian Vectors

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    Blog Post
    ...plasmid, and can be assayed conveniently. A direct test for your gene of interest may be another method ...always mission critical to make sure the plasmid replicates in the cell, as many of these experiments are... 100-400 ug/mL *Not comprehensive.   ** In eukaryotes.   ***The concentration used for selection is...
  9. Adenovirus Guide

    Type
    Guide
    ... inside of the adenoviral capsid and directly correlates to the size of the DNA removed from the viral... transfer plasmids may have limited restriction sites or may only be compatible with certain cloning methods...with rAdV vectors, or to verify that the infection rates are equivalent across multiple viruses. The adenoviral... preferentially infect certain tissues, which correlates with the specific diseases they cause. Ad5 and...a slash (e.g. Ad5/35), where the first number indicates the serotype of the genome and the second number...protein-coding genes and complex gene expression cassettes are often too big to be packaged in rAAV vectors...) vectors have also been developed as vaccine candidates for multiple infectious diseases and prostate...
  10. Flow Cytometry Readouts: Yes, No, and Everything in Between

    Type
    Blog Post
    ...to the right indicates a higher signal, or upregulation, and a peak to the left indicates a lower signal...continue gating populations of interest with normal gates, just based on a histogram plot instead of a dot...
  11. Viral Vectors 101: Gamma-Retroviral Packaging Systems

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    Blog Post
    ... packaging cell line. This system provides the greatest flexibility to pseudotype γ-retrovirus using different...post‐transcriptional regulatory element; sequence that stimulates the expression of transgenes via increased nuclear...U5 and the rest of the provirus. 3’ LTR Terminates transcription started by 5' LTR by the addition...
  12. Antibodies 101: Flow Cytometry Controls

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    Blog Post
    ...companies or check the literature. Pro tip! Early gates, like your live/dead markers or commonly used markers...specific cell populations, often used in the later gates, are more likely to require FMOs. Isotypes Isotype...rather than for setting up your initial voltages and gates. Ashlyn has a research background in CD8+ T cells...
  13. Opto-Nanobodies: Using Light to Manipulate Cell Signaling and Protein Purification

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    Blog Post
    ... start, the team inserted AsLOV2 into conserved sites in all eight surface-exposed loops of an mCherry...SOS), a guanine nucleotide exchange factor that activates Ras. They expressed this OptoNB-SOS fusion protein...membrane-localized mCherry. With darkness, SOS binds Ras and initiates the extracellular signaling-regulated kinase (...
  14. Viral Vectors 101: Viral Applications

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    Blog Post
    ...be used to express proteins. Viral expression cassettes typically contain a promoter (inducible or constitutive...lineage, and so much more! Libraries allow you to test thousands of elements simultaneously in your system...dose. Vaccine development strategies. Image courtesy of Gorry et. al, 2007.   Clinical applications...
  15. Plasmids 101: Screening Strategies Used in Plasmid Cloning

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    Blog Post
    ...below). Plating the transformation on ampicillin plates containing X-gal allows you to identify cells that...that when a portion of the gene is deleted, it creates a non-functional 𝛽-galactosidase. Complementing...this deleted portion, for example on a plasmid, creates a functional 𝛽-galactosidase. Blue-white screens...
  16. Giving gRNAs a Facelift - Synthetic and Beyond

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    Blog Post
    ...repeat region on its 3’ end. This repeat region associates with the trans-activating crRNA (tracrRNA) which...at the same site, is 2’-fluoro (2’-F), which substitutes a fluorine for the hydroxyl group at the 2’ position...coupling several of them together, for example phosphorothioates with 2’-O-methyl modifications, proved more...
  17. Hot Plasmids - May 2022

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    Blog Post
    ... both on and off target. Across all loci tested, error rates overall ranged from 0.3% to 10%, in comparison...Importantly, this is true in both mice and nonhuman primates (for AAV.CAP-B10, for example).  Given that the...
  18. Fluorescent CRISPR Reporters: SRIRACCHA and GEmCherry2

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    Blog Post
    ...can rapidly and efficiently evaluate Cas9 cutting sites and activity (Knudsen et al., 2018).  To create ...lab compared editing at three different genomic sites in the AAVS1 locus using GEmCherry2. In this experiment...again that sgRNA structure and genomic recognition sites play a large role in CRISPR-Cas9 efficiency. They...
  19. CasPEDIA: A Functional Classification of Cas Enzymes

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    Blog Post
    ... trans activity. AsCas12a, on the other hand, generates staggered DNA nicks at its target in cis and cleaves... used by Jinek et al. 2012, or browsing for the latest AsCas12a plasmids, Addgene and CasPEDIA have got...from CasPEDIA.   How can I use it? CasPEDIA operates like many search engines, featuring both a general...
Showing: 521 - 540 of 962 results