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Showing: 161 - 180 of 595 results
  1. A Guide to Getting Started in Undergrad Research

    Type
    Blog Post
    ...scholar/student: visiting from another university to perform research   Why should I try research? Personally...research, and if that’s where you’re at too, it’s a perfectly great place to begin. Here’s my advice: Reflect...Reflect on your personal interests While it’s perfectly fine to be unsure, it helps to have a vague sense ...about yourself and the world around you, it’s perfectly normal to realize that you have new interests ...
  2. Important Considerations When Using AAVs

    Type
    Blog Post
    ...several brain regions where other serotypes may perform better (3). Brain Region  Optimal Serotype ...Cycles Of course, one cannot truly predict the perfect titer, but one of the main recommendations when...expressed that anatomical assessments can be easily performed too. While I implied that axoplasmic transport...vectors that will have substantially improved performance profiles and should be suitable for genome editing...
  3. 22 Hot Plasmid Technologies from 2014

    Type
    Blog Post
    ...allow scientists to use CRISPR-Cas technology to perform genome-wide knockout screens. These vectors and...utilized to create recombination template vectors, to perform multiple site mutagenesis and create complex fusion... and Chrimson, which have enabled the group to perform independent two-color optical excitation of neurons...subdivisa (CsChR), Chloromonas oogama (CoChR), and Scherffelia dubia (SdChR). ShChR, nicknamed Chronos, is blue...display. APEX2 has been shown to exhibit superior performance over APEX for both EM imaging and proximity-dependent...
  4. Retrovirus Guide

    Type
    Guide
    ... in gene therapy research to reduce promoter interference and/or drive high expression of a transgene ...
  5. What's New in CRISPR - May 2019

    Type
    Blog Post
    ...AAV constructs CRISPR interference in Candida albicans A new CRISPR interference (CRIPSRi) platform for... to Cas9 SECURE base editors Nme2Cas9 CRISPR interference in Candida albicans E. coli genome-wide inhibition...
  6. Save Time and Money by Making Your Own Competent Cells

    Type
    Blog Post
    ...We perform over 100 transformations each week at Addgene, so we need to be cost and time efficient. We...aliquoted and stored at -80oC until we are ready to perform transformations. A typical 200mL bacterial culture... of the large number of transformations being performed at Addgene, this adds up to a significant time...
  7. SunTag and Fluorescent Imaging

    Type
    Blog Post
    ...various conditions. However, this system is far from perfect. For example, If your fusion protein is expressed...GFP aggregation, which they reduced by using superfolder GFP (sfGFP) with the small solubility tag GB1...What can you do with SunTag? Tanenbaum et al. performed a variety of different experiments in their paper...
  8. FastCloning: A Newer, Simpler Cloning Technique

    Type
    Blog Post
    ... While restriction cloning is still routinely performed by many labs, a variety of other cloning techniques...transformation. After transforming cells, you should perform colony PCR with vector specific primers to confirm...Resources on the Addgene Blog Plasmid Cloning by PCR Perform Site Directed Mutagenesis by PCR Catch up on Your...
  9. Plasmids 101: Walkthrough of Addgene’s Snapgene-Powered Quality Control Process

    Type
    Blog Post
    ...how we use next generation sequencing results to perform quality control on deposited plasmids. We’ve also...improved feature detection with an easy to use interface. We regularly use Snapgene for our quality control...region is present in the plasmid, we might need to perform a restriction digest to confirm the size of the...
  10. Antibodies 101: Epitope Availability

    Type
    Blog Post
    ..., changing locations, or even just as part of performing a specific function. A transmembrane protein ... validated for the type of assay that you are performing. If they’re not available, the next best thing...denatured protein samples. If, however, you are performing an immunohistochemistry assay, you may want to...
  11. What Do I Do Now? Academic v. Non-Academic Career Decisions

    Type
    Blog Post
    ...of today’s postdoctoral training can directly interfere with a seamless jump into industry.” In his article...opportunities—projects end and layoffs occur, but good performers move around easily  Table 1: Taking it a Step... career with advancement in one company, good performers in for the long haul Limited movement in one...
  12. Multifunctional Neural Fibers: Modulation from Gut to Brain

    Type
    Blog Post
    ...channel, fused to mCherry to the brain tissue. They performed optical stimulation using NeuroStack and the fibers...to me. What’s on the fiber horizon? The brain interfaces with the entire body, so the obvious next applications...Flexible fiber-based optoelectronics for neural interfaces. Chemical Society Reviews, 48(6), 1826–1852. ...
  13. Comparing Cas9 to NgAgo: Can the Argonautes Best CRISPR?

    Type
    Blog Post
    ...Argonaute proteins play an important role in RNA interference, binding RNA guides to cleave foreign RNA. Argonaute...choosing a genomic target. NgAgo also appears to outperform Cas9 in GC-rich regions. DNA guides NgAgo uses... 2. Swarts, Daan C., et al.  “DNA-guided DNA interference by a prokaryotic Argonaute.” Nature. 507(7491...
  14. Identifying Sequence Elements with SnapGene's Feature Database

    Type
    Blog Post
    ...painless as possible. Instead of crowding the interface with every possible option, we place the most ... identifying a feature even when the match is imperfect. SnapGene's feature database The source of common...detection system was enhanced to allow searches for a perfect protein sequence match even when the DNA sequence...
  15. Plasmids 101: NGS Quality Control for Pooled Libraries

    Type
    Blog Post
    ...Addgene uses electrocompetent Stbl4 cells when performing amplifications, and we use electroporation to... distribution, with an AUC of 0.5 representing perfect uniformity (see Figure 3A). Addgene finds that ...pooled plasmid libraries. Pooled libraries can be a powerful research tool, but their proper use requires careful...
  16. Hot Plasmids - February 2022

    Type
    Blog Post
    ...-based method for screens. Cas12a’s ability to perform multiplex editing within a single expression cassette...used to create a genome-wide library capable of performing similarly to Cas9 screens in a compacted library... via a nuclease-active CasMINI. This small yet powerful system opens up new possibilities in both cell...
  17. Cas13d: Small RNA-targeting CRISPR enzymes for transcriptome engineering

    Type
    Blog Post
    ...have taken the CRISPR world by storm. Like RNA interference, these enzymes can knock down RNA without altering...nuclease domains characteristic of the Cas13 superfamily. Yan et al. proceeded to study orthologs from...multiple RNA regulating methods: small hairpin RNA interference, dCas9-mediated transcriptional inhibition (...
  18. A Practical Approach to Choosing the B(right)est Fluorescent Protein

    Type
    Blog Post
    ...couple of promising variants to check how they perform under your experimental conditions. This is time...combinations of biology and equipment. Because the performance of a fluorescent protein strongly depends on ...endogenous tagged genes) can be used to verify performance under different imaging conditions (e.g. different...
Showing: 161 - 180 of 595 results