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We narrowed to 812 results for: cha;

Showing: 561 - 600 of 812 results
  1. Hot Plasmids - February 2022

    Type
    Blog Post
    Published
    Feb. 22, 2022, 2:15 p.m.
    ...labeling. Here, Liu et al. engineer a chimeric single chain variable fragment (scFv), grafting the binding region...fusion proteins, such as Cas9 and Cas12a, creates challenges for in vivo delivery and cell engineering applications...
  2. Viral Vectors 101: Types of viruses

    Type
    Blog Post
    Published
    June 6, 2023, 1:15 p.m.
    ...as the LTRs or structural proteins are not interchangeable between the two systems, other, more general...j.gendis.2017.04.001 Maetzig T, Galla M, Baum C, Schambach A. Gammaretroviral vectors: biology, technology...
  3. Viral Vectors 101: The AAV Retrograde Serotype

    Type
    Blog Post
    Published
    April 27, 2023, 1:15 p.m.
    ...recombinase-dependent vectors, this can cause challenges for the experimental design as these vectors ...neurons reside.   Impact for scientists While the mechanisms by which retrograde AAV work are not yet understood...
  4. 7 Tips to Secure a STEAM Internship This Summer

    Type
    Blog Post
    Published
    Feb. 2, 2021, 2:15 p.m.
    ... in your professional circle to vouch for the character you painted in your personal statement. Make certain...hand to get you into that program of your dream.  “Chance favors the prepared mind” by Louis Pasteur These...
  5. 15 Years of Addgene: The Top 15 Plasmids

    Type
    Blog Post
    Published
    Jan. 8, 2019, 1:54 p.m.
    ...original publication but its name was subsequently changed to clarify that it does not contain the trademarked... information, see the manual provided by the Weiderschain lab. Find Tet-pLKO-puro. lentiGuide-Puro - This...
  6. Plasmids 101: Screens vs. Selections

    Type
    Blog Post
    Published
    Nov. 10, 2022, 2:15 p.m.
    ...manipulations (CRISPR, etc.), and finish with the characterization of a function or phenotype in the surviving...significant survival advantage, such as a non-essential mechanism or any pathway with cellular redundancies, a screen...
  7. Antibodies 101: ChIP

    Type
    Blog Post
    Published
    March 10, 2022, 3:25 p.m.
    ...such as sequencing or qPCR. Yay!  Where’s the challenge in that?  So while this method is certainly long...the sample type and size.) It can be quite the challenge, and take a few rounds of adjustments, to get ...
  8. Improved Plasmid Maps Powered by SnapGene

    Type
    Blog Post
    Published
    June 29, 2017, 1:06 p.m.
    ...easier to navigate. These practical and effective changes will give you the ability to find the plasmid with... community of scientists) for suggesting these changes, and the SnapGene and Addgene software development...
  9. A Practical Approach to Choosing the B(right)est Fluorescent Protein

    Type
    Blog Post
    Published
    June 1, 2017, 2:30 p.m.
    ... cells within the dish. This is caused by the stochastic nature of plasmid uptake by cells. To correct...microscopy (University of Amsterdam). He develops, characterizes and uses genetically encoded fluorescent probes...
  10. Addgene’s Viral Service - Why Virus? Why Now?

    Type
    Blog Post
    Published
    March 23, 2017, 2:30 p.m.
    ...and David Root from the Broad Institute and Alex Chavez from the Wyss Institute were instrumental in helping...research and discovery, while also pushing us to challenge assumptions, holding us to nonprofit best practices...
  11. REPLACR Mutagenesis: Replacing In Vitro Recombination Methods

    Type
    Blog Post
    Published
    Feb. 10, 2016, 3:30 p.m.
    ...molecular biology and genetics. It can be used to characterize the function of certain regions in a promoter...’ve conducted SDM using some of these methods, chances are you’d like to find a better one. Trehan et ...
  12. RNA Extraction Without A Kit

    Type
    Blog Post
    Published
    March 24, 2020, 1:15 p.m.
    ...something that broke down RNases before RNases had a chance to break down RNA upon cell lysis.  In the late...until homogenization and cell lysis. This can be challenging depending on your laboratory situation or tissue...
  13. What's New in CRISPR - November 2021

    Type
    Blog Post
    Published
    Nov. 18, 2021, 2:15 p.m.
    ...recently identified Cas12f systems from uncultivated archaea are much smaller and would be ideal for such AAV...system (CasMINI) engineered from the uncultivated archaea Cas12f (Un1Cas12f1, or Cas14a1) system. The CasMINI...
  14. Antibodies 101: Polyclonal Antibodies

    Type
    Blog Post
    Published
    July 14, 2021, 1:15 p.m.
    ...common method. These proteins bind the IgG heavy chain. Running the serum over a column of resin crosslinked...low abundance or whose conformational state may change. If your protein might become slightly denatured...
  15. Addgene: The First Twenty Years

    Type
    Blog Post
    Published
    Dec. 19, 2024, 2:15 p.m.
    ...MTA system. We also started our blog and YouTube channel in 2013, which continue to grow today. “I generally...Neuroscience 2023 conference. In 2020, the world changed in response to the COVID-19 pandemic, and Addgene...
  16. CRISPR 101: Cas9 vs. The Other Cas(s)

    Type
    Blog Post
    Published
    Dec. 8, 2022, 2:15 p.m.
    ... which target and cleave RNA through the same mechanism as traditional spCas9. If you are looking to modify...it perfect for targeting mRNA and useful as a mechanism of transient knockdown of gene expression. This...
  17. Human Germline Editing Using CRISPR

    Type
    Blog Post
    Published
    Aug. 10, 2017, 2:19 p.m.
    .... Created with BioRender.com. In later characterization studies, the edited embryos proceeded to the...heterozygous mutations, it will clearly be much more challenging for homozygous mutations. Moreover, introducing...
  18. CRISPRainbow and Genome Visualization

    Type
    Blog Post
    Published
    Feb. 28, 2017, 3:30 p.m.
    ...fluorescent measurements from red, blue, and green channels overlaid on a bright-field image. Image from Ma...intrachromosomal loci, a major benchmark in characterizing the 4D nucleome. CRISPRainbow: Scaling up to...
  19. Plasmids 101: Cre-lox

    Type
    Blog Post
    Published
    Jan. 13, 2015, 3:47 p.m.
    ..., and is long enough that there is virtually no chance of it occurring randomly. Therefore, inserting ...recombination event in a single system. The Saccharomyces cerevisiae FLP-FRT recombination system is another...
  20. Lab Automation at Addgene

    Type
    Blog Post
    Published
    March 22, 2018, 1:28 p.m.
    ...spirit include: Start using electronic multichannel and single channel pipettes. These can speed up any project...
  21. Antibodies 101: ELISA (Enzyme-linked Immunosorbent Assay)

    Type
    Blog Post
    Published
    Aug. 24, 2021, 1:15 p.m.
    ... wells with a purified protein allows you to characterize properties of an antibody that recognizes that.... As mentioned above, it can also be used to characterize antibodies against the antigen bound to the ...
  22. A Look Back at One Year of Plasmid Sharing for COVID-19 Research

    Type
    Blog Post
    Published
    July 12, 2021, 1:15 p.m.
    ...With the pseudovirus, scientists can study the mechanisms of infection and how to interfere with it in ....org/10.3390/v12050513 Hsieh C-L, Goldsmith JA, Schaub JM, DiVenere AM, Kuo H-C, Javanmardi K, Le KC, ...
  23. Antibodies 101: Choosing the Right Isotype

    Type
    Blog Post
    Published
    April 6, 2023, 3 p.m.
    ...broadly reactive secondary antibody to increase the chance of primary/secondary antibody binding and therefore..., P. A., Lewis, G. P., & Fisher, S. K. (1993). Chapter 15 Postembedding Immunocytochemical Techniques ...
  24. Adenoviral Vector Production and Troubleshooting

    Type
    Blog Post
    Published
    June 14, 2018, 11:44 a.m.
    ...not integrate into the host’s genome. The main challenge with using AdV is that it triggers a strong immune...confluent and the media will turn yellow. Do NOT change the media (add 2-3 mL of fresh media once a week...
  25. Open Resources and Plasmid Tools For Studying C. elegans

    Type
    Blog Post
    Published
    July 18, 2019, 12:55 p.m.
    ...sequencing of neurons from each class to fully characterize the transcriptome. The first data release for...C.elegans neural network, and Sibernetic, a fluid mechanics simulator that can be used to simulate muscle ...
  26. Mouse Modeling, Part 1: Genetically Engineered Mice

    Type
    Blog Post
    Published
    July 11, 2019, 1:26 p.m.
    ...derived from random crosses between mice of uncharacterized backgrounds to create a limited but genetically...the injection of a targeting vector alone, some challenges still exist. Nucleases may cause off-target effects...
  27. Progress Towards a PAM-Free CRISPR

    Type
    Blog Post
    Published
    March 7, 2024, 2:39 p.m.
    ...patient mutation or need to make a precise amino acid change, there is very little flexibility in the location...nucleotides are represented equally, that’s only a 1/16 chance of having a PAM at a given site. While it is possible...
  28. Hot Plasmids February 2024

    Type
    Blog Post
    Published
    Feb. 20, 2024, 2:45 p.m.
    ...was limited (likely due to its long, negatively charged sgRNA), RNP delivery was much better with Cas12...and screening that led to identification and characterization of AAV.CAP-Mac. Image reproduced from Chuapoco...
  29. CRISPR in the Clinic

    Type
    Blog Post
    Published
    Nov. 2, 2023, 1:15 p.m.
    ...polymorphisms (SNPs) in the TTR gene and is molecularly characterized by misfolding of the TTR protein, which contributes...technology is rapidly evolving, and many of the challenges with therapies involve patient safety, effectiveness...
  30. Design Tips for Prime Editing

    Type
    Blog Post
    Published
    Jan. 23, 2025, 2:15 p.m.
    ...edited and the sequence of the edit, so its design changes for every new prime editing application. And optimizing... L., Schmidt, R., Solley, S. C., Gilbert, L. A., Chan, M. M., Bauer, D. E., Marson, A., Parsons, L. R....
  31. Science communication: 9 Strategies to Get Your Foot in the Door

    Type
    Blog Post
    Published
    Sept. 27, 2017, 1:23 p.m.
    ...Building with Biology. Local environmental groups, charities and NGOs are often looking for outreach volunteers...Answering the big science questions around climate change, biodiversity, or genomes requires lots of data...
  32. Adapting Toehold Switches to Detect Zika Virus

    Type
    Blog Post
    Published
    Aug. 30, 2016, 2:30 p.m.
    ...associated with low morbidity and mild symptoms. This changed in January with the report of an outbreak of the...Previous Collin's Lab Member and Sample 6 Cofounder Michael Koeris Learn How Minigenomes Are Being Used to ...
  33. How-to: 5 Steps to a Great Panel Discussion

    Type
    Blog Post
    Published
    Oct. 22, 2014, 1:57 p.m.
    ...semi-circle (so they can see each other) on comfortable chairs (stools if you have to, but this is tough for women...things started. Give a couple of audience members a chance to participate. For example, at a recent event ...
  34. Transferable Skills: Negotiation

    Type
    Blog Post
    Published
    March 3, 2022, 2 p.m.
    ...are they different from mine? What equipment purchases do we prioritize in a lab with both electrophysiologists...Collide: Managing Successfully Across Cultures by Richard D. Lewis Additional resources on the Addgene...
  35. Hot Plasmids and Viral Preps - May 2021

    Type
    Blog Post
    Published
    May 18, 2021, 1:15 p.m.
    ... tRNA synthetases (aaRS) have been created, characterized, and validated by the Gräslund lab. Recent findings...candidates using a synthetic human scFV library and characterized them by ELISA, homogeneous time resolved fluorescence...
Showing: 561 - 600 of 812 results