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Showing: 121 - 150 of 285 results

  1. Overcoming the Challenges of Lentiviral Production

    Type
    Blog Post
    Published
    Aug. 7, 2018, 12:31 p.m.
    ...In addition the transfection method (i.e. polyethyleneimine, calcium phosphate or liposomal methods), ...centrifugation on a sucrose gradient, spin columns, and polyethylene glycol (PEG) precipitation. All of these methods...

  3. Corralling and Cornering the Goldilocks Antibody

    Type
    Blog Post
    Published
    Aug. 9, 2022, 1:15 p.m.
    ...). mAbs and rAbs have higher homogeneity than polyclonal antibodies because of their immunoglobin component...circumvents the batch-to-batch variability found in polyclonal antibodies, creating a potentially unlimited ...

  4. Viral Vectors 101: Chemogenetics

    Type
    Blog Post
    Published
    July 11, 2023, 1:15 p.m.
    ...such as the serotonin 3 receptor, will promote depolarization in neurons. Alternatively, combining with the...such as the glycine receptor, will promote hyperpolarization. PSAM ligands The advantage of PSAMs lies ...

  5. CRISPR 101: Targeting Non-Coding RNAs with CRISPR/Cas9

    Type
    Blog Post
    Published
    Nov. 14, 2024, 2:15 p.m.
    ...and Bester 2021). For example, inserting a polyadenylation signal downstream of the transcription start...fragment. (D) Knock-in: insertion of a synthetic polyadenylation (spA) signal. Figure and caption adapted from...

  6. Illuminating Epigenetics with A FRET Based Biosensor

    Type
    Blog Post
    Published
    Nov. 19, 2015, 3:30 p.m.
    ...can influence the transcription of genes by RNA polymerase II, or by the addition of methyl- groups to the...9 methylation, while the K27 reporter uses the polycomb chromodomain to recognise lysine 27 methylation...

  7. Tips to Make the Most of a Scientific Conference

    Type
    Blog Post
    Published
    May 23, 2019, 12:26 p.m.
    ...conference If the conference has a social media policy, this should be on their website or the program...program booklet. Make sure you’re familiar with the policies before posting something on social media. If someone...

  8. Experimenting with New Careers while in Grad School

    Type
    Blog Post
    Published
    Feb. 25, 2016, 3:30 p.m.
    ... myidp.sciencecareers.org mentioned museums. Indianapolis is home to one of "The world’s biggest and best...children’s museum", The Children's Museum of Indianapolis. I drove passed these dinosaurs every day. They...

  9. Plasmids 101: Multicistronic Vectors

    Type
    Blog Post
    Published
    Sept. 9, 2014, 8:20 p.m.
    ...single mRNA. IRES was originally discovered in poliovirus RNA, where it promotes translation of the viral...eukaryotic mRNA directed by a sequence derived from poliovirus RNA. Pelletier et al (Nature. 1988 Jul 28;334...

  10. Plasmids 101: Secondary Nanobody Toolbox

    Type
    Blog Post
    Published
    Feb. 27, 2018, 2:04 p.m.
    ...allows for the following to occur: A) Multiple polyclonal secondary IgGs can bind to different epitopes... Reagent Pros Cons Antibodies Bivalent Polyclonal Can be labeled with multiple dyes Commercially...

  11. AAVs CREATed for Gene Delivery to the CNS and PNS

    Type
    Blog Post
    Published
    Sept. 28, 2017, 2:01 p.m.
    ...CREATE cap plasmid, loxP sites flank the downstream polyA sequence. When viruses produced from this plasmid...into an animal with cell-type-specific Cre, the polyA sequence is inverted only in the Cre-expressing ...

  12. Capturing a Moment with Marc Zimmer’s “The State of Science”

    Type
    Blog Post
    Published
    July 30, 2020, 1:15 p.m.
    ... challenges of science becoming increasingly politicized. It would be nearly impossible for a career scientist...science in a “fake news and post-truth era,” the politicization of science (from climate change deniers to ...

  13. A Guide to Starting Your Own Journal Club

    Type
    Blog Post
    Published
    Feb. 6, 2020, 3 p.m.
    ...relevant parties, and the company at large, by polling and informal communications we made a decision ...scientists often prefer data. At Addgene we rely on polls and surveys. A mix of closed (multiple choice/binary...

  14. Antibodies 101: Producing Recombinant Antibodies

    Type
    Blog Post
    Published
    Aug. 13, 2024, 1:15 p.m.
    ...While monoclonal and polyclonal antibodies are readily available from several sources, fewer sources ...Antibodies Plasmid-based Recombinant Antibodies Polyclonal Antibodies Resources on addgene.org Addgene's...

  16. Fluorescent Proteins 101: Aptamer Fluorophores

    Type
    Blog Post
    Published
    April 11, 2017, 2:30 p.m.
    ...applications, including detection of environmental pollutants, drug discovery, and disease diagnosis. As biosensors...electrochemical sensors for emerging environmental pollutants.” Front Chem. 2014; 2: 41. PubMed PMID: 25019067...

  17. To Codon Optimize or Not: That is the Question

    Type
    Blog Post
    Published
    Nov. 12, 2020, 2:15 p.m.
    ...where they are incorporated into the growing polypeptide chain. One part of the tRNA contains the anticodon... codon for every amino acid across an entire polypeptide. Many researchers have created codon-optimization...

  18. Finding nucleic acids with SHERLOCK and DETECTR

    Type
    Blog Post
    Published
    April 16, 2020, 1 p.m.
    ...sample is first amplified using RPA (recombinase polymerase amplification) or reverse transcriptase (RT)-...as well as health-related single nucleotide polymorphisms (SNPs) from human saliva. SHERLOCKv2 provides...

  19. Hot Plasmids Spring 2024

    Type
    Blog Post
    Published
    May 23, 2024, 1:15 p.m.
    ...ensure this tRNA processing only occurs on the RNA polymerase III transcript, the sgRNAs were encoded on the...donor site; SAS, splice acceptor site; pA, polyadenylation signal. Image reused from Riedmayr et al. 2023...

  20. Tips for Writing a Good Cover Letter

    Type
    Blog Post
    Published
    May 21, 2024, 1:30 p.m.
    ...preparation for updating this post, I took an informal poll of Addgene hiring managers. All of them stated that...through in their resumes alone.  In my unofficial poll, hiring managers also said that they considered ...

  21. Transferable Skills Guide: Creativity

    Type
    Blog Post
    Published
    Jan. 18, 2022, 2:15 p.m.
    ...for your idea. Our product team has implemented a policy of never rejecting an idea simply because it's ...innovative group. Our entire company benefits from their policy! Perfectionism When we reach for perfection, our...

  22. Viral Vectors 101: Preparing Pooled Libraries

    Type
    Blog Post
    Published
    July 13, 2023, 1:15 p.m.
    ...producing lentivirus in Lenti-X 293T cells using a polyethyenimine transfection protocol. I also recommend searching...incubation time, antibiotic conditions, and amount of polybrene. (psst…didn’t get your library pre-made from Addgene...

  23. CRISPR 101: Any Base Transversion Editors

    Type
    Blog Post
    Published
    April 1, 2025, 1:15 p.m.
    ...→ T editing, they co-expressed Polη, a translesion synthesis polymerase known to preferentially incorporate...

  24. CRISPR Activation: A Practical Guide

    Type
    Blog Post
    Published
    Aug. 18, 2016, 2:30 p.m.
    ...exposed to specific UV wavelengths or chemicals (Polstein and Gersbach, 2015; Zetsche et al., 2015). These...e7 . https://doi.org/10.1016/j.cels.2018.04.011 Polstein LR, Gersbach CA (2015) A light-inducible CRISPR-Cas9...

  25. Tips for Using FRET in Your Experiments

    Type
    Blog Post
    Published
    Nov. 5, 2014, 3:41 p.m.
    ...acceptor) by means of intermolecular long-range dipole-dipole coupling." The emission of the acceptor fluorophore...

  26. An Integrin Antibody Toolkit from IPI

    Type
    Blog Post
    Published
    March 28, 2024, 1:15 p.m.
    ...Anuganti, M., Zhang, R., Lloyd, K., Jardine, J., Coppola, J., Meijers, R., Li, J., & Springer, T. A. (2024...2024.01.26.577394 Jo, M. H., Li, J., Jaumouillé, V., Hao, Y., Coppola, J., Yan, J., Waterman, C. M., Springer, T. A.,...

  28. Plasmids 101: Repressible Promoters

    Type
    Blog Post
    Published
    Dec. 20, 2022, 2:15 p.m.
    ...Promoters control the binding of RNA polymerase and transcription factors. Since the promoter region ...guide to working with Drosophila Terminators and PolyA Signals FLEx Vectors Resources at Addgene.org ...
Showing: 121 - 150 of 285 results