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Showing: 361 - 380 of 783 results
  1. Synthetic promoter AAVs for cell-type specific expression in retinal cells

    Type
    Blog Post
    Published
    March 12, 2020, 1:15 p.m.
    ...cones) or cell classes (ex: photoreceptors which encompassed both rods and cones).  Targeted expression was...retina.  Find the AAV synthetic promoter plasmids! Comparing synthetic promoters performance in mouse, monkey...targeted cells in monkey and human retinas. By comparing the performance of promoters across these three..., Szabó, A., Gross-Scherf, B., Morikawa, R.K., Rompani, S.B., Hantz, P., Szikra, T., Esposti, F., Cowan...
  2. Antibodies 101: Stripping and Reprobing Western Blots

    Type
    Blog Post
    Published
    Aug. 1, 2024, 1:15 p.m.
    ...’ll share the basic composition of these solutions below. Alternatively, companies including ThermoFisher... tool to identify a protein of interest in a complicated solution like cell lysate. But they can be a ...lost each time you strip a blot, you should not compare the strength of bands from different rounds of ...
  3. Viral Vectors 101: Chemogenetics

    Type
    Blog Post
    Published
    July 11, 2023, 1:15 p.m.
    ... is important to fully characterize the compound, or compounds, you choose to ensure reliable results ...In order to understand the complex wiring of the brain and the underpinnings of neurological disease,...pharmacodynamic actions of clozapine-N-oxide, clozapine, and compound 21 in DREADD-based chemogenetics in mice. Scientific...
  4. Adapting Toehold Switches to Detect Zika Virus

    Type
    Blog Post
    Published
    Aug. 30, 2016, 2:30 p.m.
    ...up clear tasks for each member of the team to accomplish so that many elements of the project were able...involved definitely contributed to our ability to complete the project on such a short timescale. Our article...extensive infrastructure of molecular and electronic companion technologies that has transformed the assay’s ...of Zika Virus Using Programmable Biomolecular Components." Cell (2016). PubMed PMID: 27160350. Find Plasmids...
  5. Fluorescent Proteins 101: Fluorescent Protein Timers

    Type
    Blog Post
    Published
    May 4, 2017, 2:30 p.m.
    ...better at producing a compound of interest, thus allowing them to optimize the compound production process...fluorescent proteins have usurped old methods or complemented them in ways that make them much easier. A special...Although it is possible to make a timer system composed of two separate FPs (one that matures quickly ...
  6. Adenoviral Delivery of CRISPR/Cas9 Aims to Expand Genome Editing to Primary Cells

    Type
    Blog Post
    Published
    Dec. 10, 2020, 1 p.m.
    ...protein capsid encapsulating the genome is majorly composed of three proteins that can be easily modified ...Delivering gRNA and Cas9 using adenoviral vectors As compared to other viral vectors, AdVs can provide a large...AdV-mediated transduction of gRNA:Cas9 ribonucleoprotein complexes into transformed and non-transformed cells yielded...vector delivery of RNA-guided CRISPR/Cas9 nuclease complexes induces targeted mutagenesis in a diverse array...
  7. Light Sheet Fluorescence Microscopy

    Type
    Blog Post
    Published
    July 16, 2015, 2:30 p.m.
    ... capture large field-of-views (6). For more comprehensive reviews on several other LSFM configurations...multiplying couple-charged device (EMCCD) or complementary metal-oxide semiconductor (CMOS) sensors, it...labeling in whole tissue (15).  CLARITY is also compatible with LSFM, a method termed COLM (clarity-optimized...spatiotemporal control over labeling methods as compared to transgenic animals (17).  These viral plasmids...
  8. Transgenic Organisms, Cas9 Gene Drives, and Appropriate Safeguards

    Type
    Blog Post
    Published
    May 22, 2015, 4:58 p.m.
    ...For example, Drosophila lines with compound autosomes are completely infertile when mated to wild fruit...with appropriate measures. Barriers should be a component of all gene drive confinement strategies, but ...: I. Cage Studies of Chromosome Replacement by Compound Autosomes in Drosophila melanogaster. Genetics...
  9. Transferable Skills Guide: Identifying Your Transferable Skills

    Type
    Blog Post
    Published
    Jan. 11, 2018, 3:29 p.m.
    ...this situation: You’ve spent hours scouring a company’s LinkedIn pages, given yourself the bathroom mirror...socks, persevered through a nerve wracking commute complete with a disabled train, and now you’re sitting ...the candidate has what it takes to thrive at the company and add value, not just “do the job”. When they...these responsibilities. If you are in charge of completing many meticulous protocols or tasks, you’ve probably...
  10. CRISPR 101: RNA Editing with Cas13

    Type
    Blog Post
    Published
    July 31, 2020, 12:30 p.m.
    ... an RNA editor The Zhang lab envisioned a two-component RNA editor: a Cas13 enzyme fused to an RNA adenosine...off-target editing. In one direct transcriptome-wide comparison, REPAIRv2 reduced off-target sites from the 18,385...edits by ~45% and off-target A-to-I edies by ~94% compared to RESCUE.   Addressing the potential use of RESCUE... Abudayyeh, Omar O., et al. "C2c2 is a single-component programmable RNA-guided RNA-targeting CRISPR effector...
  11. The Effect of COVID-19 on Liu Lab Plasmid Requests From Addgene Data

    Type
    Blog Post
    Published
    July 16, 2020, 1:15 p.m.
    ...orders were affected by the COVID-19 pandemic, we compared the number of plasmid orders and new COVID-19 ...the likelihood in our Poisson process into two components: 𝜃x(t) and 𝜓z(t). 𝜃x(t) describes the exponential...effects fairly well. However, we observed one complication in the China data – there is a period of 1 month... lockdown in China, then the observed data is compatible with an infinity-fold reduction in activity due...
  12. Droplet Digital PCR for AAV Quantitation

    Type
    Blog Post
    Published
    Jan. 16, 2020, 2:18 p.m.
    ...real time. When the PCR is complete, the results are analyzed by comparing the threshold fluorescence ...amplification reaction to take place.  When the PCR is complete, a droplet reader extracts the droplets from the...Absolute determination of single-stranded and self-complementary adeno-associated viral vector genome titers ...
  13. Course-Based Undergraduate Research Experiences (CUREs)

    Type
    Blog Post
    Published
    Feb. 9, 2023, 2:15 p.m.
    ...his program. Initially, Provost made his labs completely open-ended, allowing every student to work on...Kowalski et al., 2016; Scott, 2021). In fact, completion of Provost’s CURE increased students’ confidence...them to near homogeneity using a 6XHis tag, and compared their specific activities by measuring NADH production...Poirier, V., Pellettieri, J. 2020. The exon junction complex is required for stem and progenitor cell maintenance...
  14. AAVs CREATed for Gene Delivery to the CNS and PNS

    Type
    Blog Post
    Published
    Sept. 28, 2017, 2:01 p.m.
    ...gross comparison of AAV.PHP.eB and AAV.PHP.S to their parental vectors. To quantify this comparison, capsids....PHP.S had 1.5- to 2-fold higher GFP intensity compared to the strains they were derived from. They also...research. Visit Our AAV Guide Page for info on AAV components, common uses of AAV, and much more! Find ready-to-use...
  15. Lentiviral Vector Uses and Overview

    Type
    Blog Post
    Published
    May 19, 2016, 2:30 p.m.
    ...lentiviral vectors! Lentiviral vector history and components In the early 1990s, researchers developed viral...system, the possibility of creating a replication-competent virus via recombination between the transfer and...recombination events necessary to create a replication-competent virus. Second, Tat is eliminated through the addition...Lentiviral barcoding libraries have been used for complex applications like lineage tracing in heterogeneous...
  16. Plasmids 101: Colony PCR

    Type
    Blog Post
    Published
    May 12, 2016, 2:30 p.m.
    ...restriction enzyme digest; however colony PCR can accomplish the same thing in less time and for less money... few ways you can do this. If you are going to complete your colony PCR analysis in the same day, you ... product size on a gel   Now that your PCR is complete, it’s time to run the products on an agarose gel... larger sized products for positive clones (+) compared to negative clones. Finally, orientation-specific...
  17. Tips from the Repository Trenches: Using Barcodes to Track Samples

    Type
    Blog Post
    Published
    Oct. 6, 2015, 2:30 p.m.
    ...is ideal for tracking large collections. Many companies, such as Thermo Fisher and Micronic, provide 2D... time. 1D barcodes can be purchased from many companies such as Corning. Tubes can even have specific ...specific barcodes etched or printed onto them by companies such as Tubewriter. Any lab can benefit from using...tubes themselves. Although we’ve developed our own computer system for tracking samples, it can be done easily...
  18. Interview: Hodaka Fujii on enChIP, New CRISPR Tools, and More

    Type
    Blog Post
    Published
    Dec. 2, 2014, 7:23 p.m.
    ...enChIP system enables us to express the CRISPR complex much easier in various cells, including primary...give to post-docs and graduate students as they complete their appointments in your lab?  Fujii: These ...survive as a researcher because of the tough competition for academic positions and poor grant situation...develop new technologies, hopefully they'll be completely different from what we are now doing in my lab...
  19. Sharing Your Lab Protocols: Using Apps to Save Time & Track Your Experiments

    Type
    Blog Post
    Published
    Sept. 23, 2014, 3:05 p.m.
    ...on OWW, including those for preparing your own competent cells. If you’re familiar with the process of ...service free of charge to scientists by allowing companies to pay publish their catalogs on the site. Like...of checking off each step as you painstakingly complete your experiment – one small victory in a long ...manage scientific data: Electronic lab notebooks compared with Google Docs and wikis - by Rory Macneil on...
  20. Plasmids 101: Gateway Cloning

    Type
    Blog Post
    Published
    Jan. 12, 2017, 3:30 p.m.
    ...reaction creates an expression clone with all of the components necessary for gene expression.     The LR... are performed, the next step is to transform competent E. coli cells and select the positive clones. ...functional. Advantages of the Gateway cloning method Compatibility and flexibility Once you generate the entry ...have generated and deposited their own Gateway-compatible plasmids with Addgene. These can be used to express...
Showing: 361 - 380 of 783 results