Skip to main content

We narrowed to 460 results for: abo.3

Showing: 181 - 200 of 460 results
  1. The Materials Science of Optogenetics Experiments

    Type
    Blog Post
    Published
    Sept. 17, 2015, 2:30 p.m.
    ...materials required for each [1, 2]. This protocol [3] provides, in exquisite detail, the various steps ...doi: 10.1038/nprot.2011.413. PubMed PMID: 22157972. 3. Britt JP, et al. Use of channelrhodopsin for activation...distance so ideal implant placement should be about 0.4-0.5mm above the site of your stimulation. The scatter...scatters a great deal once it enters tissue, placement above the site of stimulation guarantees that the majority...instead). Laser stimulation         In the video above, Channelrhodopsin 2 (Chr2) has been expressed in...These lasers are relatively cheap and will run you about $2-3,000/laser. However, an important caveat is ...output of the laser must be controlled. As discussed above, each opsin variant has slightly different activation...
  2. Uncertainty about Labor Law Brings More Uncertainty to Postdoc Wages

    Type
    Blog Post
    Published
    Jan. 11, 2017, 3:30 p.m.
    ... to have either salaries raised or hours tracked, 3% of postdocs were at institutions focused only on ...Previous Article: Changing Labor Laws Bring Increased Postdoc Wages Read about the Advocating for Science... of $47,476 per year, under updates to the Fair Labor Standards Act (FLSA). This was due to the threshold...postdocs - and in some cases, faculty - have found out about what their institution is doing from Future of Research...Science Symposium and Workshop Learn about a Variety of Science Careers Resources on Addgene.org Find Career...
  3. Savvy Advocates Needed to Navigate a Scientific Enterprise in Flux

    Type
    Blog Post
    Published
    Sept. 13, 2016, 2:30 p.m.
    ...PMID: 27175853. Pubmed Central PMCID: PMC4866822. 3. McDowell, Gary S., et al. "Shaping the Future of ...perspective from junior scientists."F1000Research 3 (2014). Pubmed PMID: 25653845. Pubmed Central PMCID...purposes of labor laws, rather than as trainees in a special category, as has been the ‘labor-of-love’ philosophy...passing and upcoming implementation of the Federal Labor Standards Act (FLSA) which mandates that all workers...event of note is a ruling in August by the National Labor Relations Board to allow graduate students who work...
  4. Simple CRISPR-based Epigenetic Editing: dCas9-directed DNA Demethylation

    Type
    Blog Post
    Published
    Dec. 14, 2021, 2:15 p.m.
    ...expression (Sapozhnikov and Szyf 2021).    Figure 3: A simpler approach - dCas9 blocks DNMT1 methylation...work well, and up to 10 base pairs away (especially 3’ of PAM) might work too.  High dCas9 and gRNA expression...Daniel M. Sapozhnikov, a graduate student in the laboratory of Dr. Moshe Szyf at McGill University. Some ...expression, confounding any potential conclusions about the role of methylation (Hrit et al. 2018, Kaas ...Daniel M. Sapozhnikov is a graduate student in the laboratory of Dr. Moshe Szyf at McGill University, working...
  5. Genome-wide Screening Using CRISPR

    Type
    Blog Post
    Published
    Aug. 18, 2015, 2:30 p.m.
    ...knockout, activation, repression, and barcoding.  3) Are you trying to target every gene in the genome...sequencing. Representation - Most libraries contain 3-6 gRNAs per target gene, and maintaining the distribution...preparation from Addgene, you can skip the steps above! Cells are then transduced with lentivirus containing...practices, CRISPR libraries can help you learn a lot about your phenotype of interest. For more detailed information...Libraries” (McDade et al., 2016). To learn a bit about how CRISPR/Cas9 can be used in other types of experiments...
  6. Overcoming the Challenges of Lentiviral Production

    Type
    Blog Post
    Published
    Aug. 7, 2018, 12:31 p.m.
    ...plasmids. Second generation packaging systems use 3 plasmids; an envelope plasmid that usually encodes...vessel size. Opting for a larger vessel, such as a 3 or 5-layer flask will require some initial optimization...available systems. Producing lentivirus: it's all about the T's (transfection and titers) To produce lentivirus... optimize transfection conditions. As mentioned above, plasmid ratios can be adjusted to enhance titer...
  7. 5 Science Rap Videos & Their Creator: Tom McFadden

    Type
    Blog Post
    Published
    Feb. 9, 2017, 3:30 p.m.
    ...biological study without her or her family's knowledge. 3. Fossil Rock Anthem One of Tom's earliest and most...Science with Tom. In this podcast, we learn more about Tom and pick his brain for advice on how to dive... Rap of Henrietta Lacks Students in Oakland rap about Henrietta Lacks - the African American woman whose...Please Don't Kill My Hive Beautifully filmed video about colony collapse disorder.     5. Plasmid Rap ...science standards and communicate science. Learn more about Tom on his youtube channel and at sciencewithtom.com...
  8. dTAG - You're it!

    Type
    Blog Post
    Published
    June 21, 2018, 2:06 p.m.
    ...degradation of endogenous proteins (notably, BRD2/3/4, CDK9, TRIM24, FLT3, BTK, and ALK) by linking small...with dTAG-13 at doses as high as 20 µM (see Figures 3 and 5 in Nabet et al., Nature Chemical Biology for...degrade any protein. We are particularly excited about the dTAG system as we can use it to evaluate the...
  9. A Primer on Optogenetics: Introduction and Opsin Delivery

    Type
    Blog Post
    Published
    Sept. 10, 2015, 2:30 p.m.
    ... of the optical fiber into the region of interest 3) Behavioral experimentation I’ll discuss some of the...thoroughly elsewhere (here and here for instance) [2], [3]. Karl Deisseroth of Stanford University , one of ...10.1146/annurev-neuro-061010-113817. PMID: 21692661.  3. Bernstein JG, Boyden ES. Optogenetic tools for analyzing... electrophysiology data too but that’s what collaborators are for). For example, if you study neural pathways...intended brain region and/or cell type (I’ll talk more about this in detail later). But what are the different...of your opsin, but keep you eyes open for posts about the next steps in the coming weeks. Expression of...Addgene. See the Deisseroth lab homepage for details about types of constructs available, instructions for ...
  10. xCas9: Engineering a CRISPR Variant with PAM Flexibility

    Type
    Blog Post
    Published
    March 28, 2018, 6:52 p.m.
    ...targeted sequence at the locus of interest. SpCas9’s 3’ NGG PAM occurs frequently in GC-rich genomes, but...100) xCas9(3.7)-ABE 69 (1.4) 43 (2) 21 (3) Not examined 16 (>100) Average percent editing...Blog Learn about Engineered Cas9 PAM Variants Read about CRISPR Base Editing Learn about Homology Directed...editing specificity. We’re excited to learn more about xCas9 - here’s what we know so far! Why do we ...point mutations, also has a strict editing window about 15 nt upstream of the PAM. Even if there’s a PAM...in mammalian cells, finding xCas9 3.7 displayed about the same editing rate as SpCas9 at an NGG PAM. When...are exciting, there’s a lot we still don’t know about xCas9. “I’m not 100% sure xCas9 is going to be flat...
  11. Polymerase Chain Reaction Overview and Applications

    Type
    Blog Post
    Published
    Aug. 10, 2021, 1:15 p.m.
    ...DNA primers that bind upstream (5’) and downstream (3’) of the DNA region of interest. Primers are crucial... the dNTPs.  Let’s jump into the specifics of the 3 basic steps of a PCR reaction:  Denaturation- To...If you have ever worked in a molecular biology laboratory you have likely done a polymerase chain reaction...uses ddPCR for AAV titrating. You can learn all about ddPCR for AAV titration and find helpful tips and...method that can help save time and effort in the laboratory.  There are two main categories of multiplex ...use a single pair of primers, like those stated above. Multiplex PCR is also used in high throughput SNP...
  12. Fluorescent Proteins 101: Visualizing Subcellular Structures & Organelles

    Type
    Blog Post
    Published
    June 22, 2017, 2:30 p.m.
    ... the lysosome where they are finally degraded (2, 3). Once you've created your fusion protein, it's important...2000. The Cell: A Molecular Approach. 2nd Edition. 3.  CureFFI.org. Cell Biology 04: The Secretory Pathway...the context of the cell. However, much knowledge about functionality can be gained by understanding the...subcellular marker proteins, it’s possible to get an idea about the subcellular structures your protein resides ...with. These “colocalization” studies give insights about the proximity of two proteins within the same subcellular...Additional Resources on the Addgene Blog Learn More about Plasmids for Endogenous Gene Tagging in Human Cells...
  13. 10 Basic tips for mammalian cell culture

    Type
    Blog Post
    Published
    July 12, 2018, 1:09 p.m.
    ...ensure nothing is covering it. Turning on the UV light 3-4 times a week for up to half an hour can help keep...Journal of applied phycology27.6 (2015): 2321-2332. 3. Contamination, Ileana S., John P. S., Basic Methods...of the hood while work is in progress.Learn more about cell culture contamination in this post from the... bath constantly at 37°C for this purpose.Learn about the effects of CO2 on sample pH Cell morphology:... Set up a routine to split cells Don’t be lazy about splitting cells, instead try to form a routine. ...secretion of lactic acid (a by-product of cellular metabolism that is toxic to the cells), and need to be split...
  14. Google Forums Round Up: First Impressions of NgAgo

    Type
    Blog Post
    Published
    Aug. 4, 2016, 2:30 p.m.
    ...Burgess, Shawn., et al. "Questions about NgAgo." Proteins & Cell (2016). 3. "NgAgo: Genome-editing by a DNA-guided...success of CRISPR-Cas9 across multiple model organisms (3) lies in the versatility of its delivery methods. ...technology. To dig more into what researchers felt about NgAgo, I conducted a survey and asked researchers...successful, and the second section asked basic questions about the NgAgo protocols used by respondents (transfection...PMC4343198. Resources on the Addgene Blog Learn More about NgAgo Enhance CRISPR Targeting Specificity with ...
  15. Tips for Working in Industry & Success in Management: Interview with Crystal Shih

    Type
    Blog Post
    Published
    Oct. 5, 2017, 1:13 p.m.
    ... The collaborative nature of working in industry and how delegating can empower people Chapter 3: How ...therapeutics at Novartis - listen to learn more about Crystal’s exciting career path, to gain insight ...metrics for success. The importance of thinking about the big picture and not just the next experiment...resources in our Mentoring for Scientists Series Learn about Turning Your PhD into a Career with Joanne Kamens...
  16. Of Myc and Men

    Type
    Blog Post
    Published
    Jan. 19, 2023, 2:15 p.m.
    ...binds EQKLISEEDL (pronounced “equi-kli-seed-le”). (3) Tag all the things!   Myc1-9E10 and the Myc-...mapping functional domains of Drosophila hsp 70. Embo J 3:3087–3093. https://doi.org/10.1002/j.1460-2075.1984...Do you ever wonder about the origins of some of the common techniques or tools you use in the lab? Take...times of the myc tag.  Origins of protein tags For about as long as the disciplines have existed, cell and...examples of new versions of Myc1-9E10 mentioned above basically involve taking the Myc1-9E10 variable ...
  17. Your Lentiviral Plasmid FAQs Answered

    Type
    Blog Post
    Published
    April 23, 2014, 1:08 p.m.
    ...which is achieved by deleting a large portion of the 3'LTR in the transfer plasmid. The deletion prevents...number of HIV genes required for virus production (3 or 4). Third-generation vectors contain gag, pol, ...Plasmids 101 Learn about genome-wide screening with CRISPR and Lentivirus Read about the ClonTracr Library... the proper cell line is used; several common laboratory cell lines including 293 were immortalized with...
  18. Selecting Your Plasmid Purification Kit

    Type
    Blog Post
    Published
    May 27, 2025, 1:15 p.m.
    ...it easier to compare kits at a quick glance, Table 3 below contains details regarding kits from a variety...compare kits before deciding which one to buy. Table 3: Comparison of popular plasmid purification kit options...of some commonly used kits, please note that Table 3 is certainly not comprehensive — there are many other...columns we’ve been talking about!) are a significant source of waste in laboratories. To help combat this, ...dependent on many different factors as we detailed above, so be sure to pick what kit works best for you!...
Showing: 181 - 200 of 460 results