Skip to main content

We narrowed to 740 results for: NSI

Showing: 501 - 550 of 740 results
  1. Antibodies 101: Flow Compensation

    Type
    Blog Post
    Published
    May 16, 2024, 1:15 p.m.
    ...which way your population needs to be shifted, consider your perpendicular lines. In this case, the population...applying very large compensation values (100+), consider what two markers your fluorescent markers are ...
  2. Of Myc and Men

    Type
    Blog Post
    Published
    Jan. 19, 2023, 2:15 p.m.
    ...epitope, a phenomenon known as sequence context sensitivity (Schüchner, et al. 2020). In their study, some... newer Myc-tag antibodies appeared to be less sensitive to sequence context.    So, do Schüchner, et al...
  3. Truncated gRNAs for Regulating Gene Expression

    Type
    Blog Post
    Published
    Jan. 10, 2017, 3:37 p.m.
    ...nuclease-null—in order to effect different perturbations. Consider, for instance, the challenge of attempting to ...alterations can be exploited to quickly and inexpensively generate a potent Cas9-based transcriptional...
  4. Plasmids 101: Knockout/Knock-In Plasmids

    Type
    Blog Post
    Published
    Dec. 1, 2016, 3:30 p.m.
    ...can survive positive selection, but it will be sensitive to negative selection. Remove the positive selection...creating knockout animals or cell lines, please consider sharing them by depositing with Addgene! Figures...
  5. Addgene's Cancer Collection Pages Connect the Research Community

    Type
    Blog Post
    Published
    Sept. 6, 2016, 2:30 p.m.
    ...suppressors, and their protein products. Proto-oncogenes consist of a group of genes/proteins that, when expressed...Ian A., Paul D. Lewis, and Carla Mattos. "A comprehensive survey of Ras mutations in cancer." Cancer research...
  6. 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...Bradke laboratories later developed the 3DISCO (3-dimensional imaging of solvent cleared organs) method of ...
  7. Tips for arabidopsis transformation

    Type
    Blog Post
    Published
    Oct. 25, 2018, 1:23 p.m.
    ...that is wide enough to dunk your plant’s flowers inside. 50 mL falcon tubes or plastic weigh boats are ...from a colony on a plate will reach an optimal density in 18-24 hours. I then add 0.5 mL of this starter...
  8. New Optimized Genome-wide CRISPRko, CRISPRi, and CRISPRa Libraries

    Type
    Blog Post
    Published
    Oct. 4, 2018, 12:44 p.m.
    ...human CRISPRko sgRNA library The Brunello library consists of 77,441 sgRNAs with an average of 4 sgRNAs per...Mediator) uses an improved activator design that consists of inactive Cas9-VP64, a sgRNA with two MS2 RNA...
  9. CRISPR 101: RNA Editing with Cas13

    Type
    Blog Post
    Published
    July 31, 2020, 12:30 p.m.
    ...enzymes do not contain the RuvC and HNH domains responsible for DNA cleavage, so they cannot directly edit.... PspCas13b does not require a PFS, and it is sensitive to mismatches in target RNA from bases 12-26 of...
  10. Capturing a Moment with Marc Zimmer’s “The State of Science”

    Type
    Blog Post
    Published
    July 30, 2020, 1:15 p.m.
    ...biologist--as an example of “big science,” a massive, expensive project that required collaboration from scientists...five Addgene colleagues who read it with me, the consistent response from scientist and non-scientist alike...
  11. Droplet Digital PCR for AAV Quantitation

    Type
    Blog Post
    Published
    Jan. 16, 2020, 2:18 p.m.
    ...For these reasons, we are in the process of transitioning our titering method from qPCR to ddPCR. Droplet...titer your AAV by ddPCR. Droplet digital PCR is a sensitive assay, so cross contamination into a no template...
  12. Uncovering Ancestral Bias in CRISPR Research

    Type
    Blog Post
    Published
    Nov. 29, 2022, 2:15 p.m.
    ...connections between biology and ancestral groups or, by extension, race. Many researchers do large-scale CRISPR ...potential for bias but to actively look for and consider bias as a confounding factor when interpreting...
  13. Course-Based Undergraduate Research Experiences (CUREs)

    Type
    Blog Post
    Published
    Feb. 9, 2023, 2:15 p.m.
    ...students. But he also found that his teaching responsibilities left him with limited time for one-on-one ...notes the importance of acknowledging student apprehensions about “failure” (protocols not working, hypotheses...
  14. Lentiviral Vector Uses and Overview

    Type
    Blog Post
    Published
    May 19, 2016, 2:30 p.m.
    ...non-dividing cells. The first lentiviral vector system consisted of three plasmids: the packaging, envelope, and...capacity of a lentiviral vector but for which transient transgene expression is sufficient. Lentiviral...
  15. Tips for Screening with Yeast Two Hybrid Systems

    Type
    Blog Post
    Published
    Oct. 22, 2015, 2:30 p.m.
    ...Saccharomyces cerevisiae in 1989 and are still used extensively to screen for molecular interactions in the cell...post-translationally modified, co-expression of the enzyme responsible for the modification in the assay host strain...
  16. The Importance of a Fun Workplace: Company Culture at Addgene

    Type
    Blog Post
    Published
    Sept. 3, 2015, 2:30 p.m.
    ... Although we are busy with many other work responsibilities, we make team building activities a priority...at Addgene. In addition to her operational responsibilities, she enjoys organizing team building events...
  17. Transferable Skills Guide: Creativity

    Type
    Blog Post
    Published
    Jan. 18, 2022, 2:15 p.m.
    ...with idea generation, try this thought exercise: Consider the issue as if there were no restraints on your...something completely unrelated to the issue and consider how it could be shaped to solve your problem. ...
  18. Hot Plasmids - August 2020

    Type
    Blog Post
    Published
    Aug. 18, 2020, 1:15 p.m.
    ...CRISPR/Cas Toolkit for plants includes 95 plasmids consisting of CRISPR/Cas nucleases, base editors, gRNA backbones...activation-based norepinephrine (GRABNE) sensors allow for sensitive and high spatiotemporal measurements of norepinephrine...
  19. Plasmids 101: Plasmid Incompatibility

    Type
    Blog Post
    Published
    March 31, 2020, 1:15 p.m.
    ...partitioning system in the bacteria, but generally it consists of a centromere-like region on the plasmid, a ...2015) Imaging centromere-based incompatibilities: Insights into the mechanism of incompatibility mediated...
  20. Analyzing CRISPR Editing Results with ICE from Synthego

    Type
    Blog Post
    Published
    May 8, 2018, 1 p.m.
    ...editing field by making experimental workflows considerably easier, faster, and more efficient than previous...novice to expert-level researchers in achieving consistently successful CRISPR experiments. Jessica is a ...
  21. QC Sequencing Technologies at Addgene

    Type
    Blog Post
    Published
    July 15, 2025, 1:15 p.m.
    ...with BioRender.com. Sanger sequencing was considered the gold standard until about 2008 when a new...novo assembly within Geneious gives us additional insight into the assembly. Geneious will show how reads...
  22. Twenty Years of Sharing: Addgene's Viral Vector Service

    Type
    Blog Post
    Published
    July 30, 2024, 1:15 p.m.
    ...our own repository data, giving us significant insight into which vectors are likely to be of most use...Swanson, L. E., & Fan, M. (2016). Practical Considerations for Using Pooled Lentiviral CRISPR Libraries...
  23. Plasmids 101: Stringent Regulation of Replication

    Type
    Blog Post
    Published
    June 20, 2024, 1:15 p.m.
    ...plasmids tend to be high copy number. Here, we will consider the replication mechanism of plasmids under stringent...plasmid to balance the total plasmid number.  Let’s consider pSC101. This plasmid is stringently controlled...
  24. How to Be an Excellent Trainee

    Type
    Blog Post
    Published
    Sept. 26, 2023, 1:15 p.m.
    ...have, then bring them to your mentor. Pro tip! Consider physically walking through the protocol, by going...receive help until you’ve already started a time sensitive experiment. Ready to fly solo? Let your bench...
  25. Mesothelioma - Causes, Symptoms, and Treatment

    Type
    Blog Post
    Published
    Dec. 13, 2016, 3:30 p.m.
    ...from many other types of cancer. Mesothelioma is considered an orphan cancer; it is rare disease with only...non-resectable mesothelioma by the National Comprehensive Cancer Network, a coalition of the top 27 cancer...
  26. Changing Labor Laws Bring Increased Postdoc Wages

    Type
    Blog Post
    Published
    Oct. 25, 2016, 2:30 p.m.
    ...technical roles. Therefore, institutions are responsible for ensuring that either all affected scientists...and Brandeis universities have stated that they consider postdocs paid on stipends to be FLSA exempt, and...
  27. CRISPR Activation: A Practical Guide

    Type
    Blog Post
    Published
    Aug. 18, 2016, 2:30 p.m.
    ...gain insight into protein structure and function (Pan et al., 2018). cDNA libraries, which consist of plasmids...
  28. Tips for CRISPR Gene Editing in Mice

    Type
    Blog Post
    Published
    June 28, 2016, 10:59 a.m.
    ...d like to manipulate in mind. Now it’s time to consider where you would like to attack this gene. Should...sequences into HEK293T cells. The fluorescence intensity was classified into four groups (4; brighter than...
  29. Replacing Paper: Tips for Choosing an Electronic lab Notebook

    Type
    Blog Post
    Published
    July 10, 2018, 1:08 p.m.
    ...this interaction will give you an idea of how responsive and supportive the ELN team is. Once you’ve made...information. If an employee leaves the institution, the transition is smooth as all data is organized within an ...
  30. Five Popular Model Organisms

    Type
    Blog Post
    Published
    April 11, 2019, 12:39 p.m.
    ...great model organism because they are easy and inexpensive to grow and maintain in the lab, have a short... worm, Caenorhabditis elegans, has been used extensively as a model organism since the 1970s when Sydney...
  31. Plasmids 101: Dimers and Multimers

    Type
    Blog Post
    Published
    Jan. 10, 2023, 2:15 p.m.
    ... Summers, 1998). Multimeric plasmids are also considered to be less stable and more prone to being lost...the supercoiled plasmid monomer, and at <6 kb, consistent with the size of a supercoiled plasmid dimer....
  32. Generating Mouse Models Using CRISPR/Cas9

    Type
    Blog Post
    Published
    July 12, 2016, 2:30 p.m.
    ...into the mouse zygote (Qin et al., 2015).  When inside the zygotes, the gRNA will seek out its target ... Ong ST, Bergstrom DE (2018) Viable Mice with Extensive Gene Humanization (25-kbp) Created Using Embryonic...
  33. PiggyBac-ing Through the Genome Editing Field

    Type
    Blog Post
    Published
    May 31, 2016, 3:30 p.m.
    ... that have negative impacts on fitness. One consideration when making a transgenic cell line with the ...the piggyBac™ system, these challenges can be considerably reduced. The piggyBac™ transposon system can...
  34. 9 tips for a successful postdoctoral experience

    Type
    Blog Post
    Published
    Oct. 9, 2018, 12:21 p.m.
    ...training. Similarly, there are several factors to consider when selecting a postdoc mentor and lab. These... having sufficient data to write a manuscript. Consider questions like: What figures are missing? For ...
  35. An “elegans” Approach to Better CRISPR/Cas9 Editing Efficiency

    Type
    Blog Post
    Published
    Dec. 17, 2020, 1:30 p.m.
    ...demonstrated that selection for repair of a temperature-sensitive pha-1 mutation significantly enriches for knock-in...from a single injected animal.  PAM sequence considerations For changes 5’ to the PAM, sequences corresponding...
  36. Antibodies 101: Antibody Engineering and Directed Evolution

    Type
    Blog Post
    Published
    Aug. 5, 2025, 1:15 p.m.
    ...regions you want to evolve. With this added layer of insight, you can shrink your mutant library and increase... Biotin. The antibodies developed by IPI are extensively characterized and validated, with the application...
  37. How to Deposit Your Plasmids with Addgene

    Type
    Blog Post
    Published
    Feb. 27, 2024, 2:15 p.m.
    ...contacting [email protected]. These deposits are considered large deposits and are exceptions to our standard...and Christina Mork in February 2024.  Additional Inside Addgene Content on the Blog Quickest Way to Deposit...
  38. New Coomassie Protocol Video

    Type
    Blog Post
    Published
    Oct. 31, 2023, 1:15 p.m.
    ...Looking for a fast and inexpensive way to determine your antibody's purity? Check out our latest protocol...
  39. It’s CRISPR Week at Addgene!

    Type
    Blog Post
    Published
    May 13, 2019, 12:01 p.m.
    ...updating our CRISPR guide. Our CRISPR guide is a comprehensive resource that covers most things CRISPR - from...
  40. New FLIS Plasmid (April Fools 2022)

    Type
    Blog Post
    Published
    April 1, 2022, 1:15 p.m.
    ...itself. Many of us have experienced the minor yet consistent annoyance of walking into a fly lab and finding...
  41. Lucky Thirteen: Guest Contributors of 2023

    Type
    Blog Post
    Published
    Dec. 5, 2023, 2:15 p.m.
    ...Matthew Norton and NEBGCE4All: Making Genetic Code Expansion AccessibleResearcher: Ryan Mehl; Andy KarplusIBEX...
Showing: 501 - 550 of 740 results