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We narrowed to 520 results for: abo.2

Showing: 61 - 80 of 520 results

  1. Grad School Advice Part 1: Picking a Lab and a Project

    Type
    Blog Post
    Published
    Sept. 1, 2016, 2:30 p.m.
    ...Introduction from Tyler 1:13 - 2:02 : Niroshi and Ben introduce themselves 2:03 - 3:22 : How did you end ...excited about coming into lab even when things get tough in the dreaded third year. Find Part 2 Here! ...

  2. AAV Titers: Where Do They Come From And What Do They Mean?

    Type
    Blog Post
    Published
    Nov. 15, 2017, 3 p.m.
    ...PubMed Central PMCID: PMC3640491. 2. Grimm, D., et al. "Titration of AAV-2 particles via a novel capsid ELISA...report the physical titer of a viral solution (Figure 2). Because physical titers are used for dosing purposes...mean and how they can be compared.   Figure 2: Label that comes on Addgene’s AAV aliquots. Our titer...of genomes can limit production of recombinant AAV-2." Gene therapy 6.7 (1999). PubMed PMID: 10455443. ...Characterization of a recombinant adeno-associated virus type 2 Reference Standard Material." Human gene therapy 21.10... Addgene.org Find All Available AAV Learn More about Virus Production Find Viral Vector Protocols ...

  3. Common Injection Routes in Mice

    Type
    Blog Post
    Published
    Jan. 22, 2025, 9:42 p.m.
    ...Location: peritoneal cavity Gauge: 25–27 Volume: < 2–3 ml Skill required: intermediate Intramuscular Intramuscular...Location: back or hind legs Gauge: 25–27 Volume: < 2–3 ml (~1 ml per site) Skill required: beginner Intradermal...Intraperitoneal Scruffing Peritoneal cavity 25–27 < 2–3 mL Intermediate Intramuscular Mechanical restrainer...Back or hind legs; between skin and muscle 25–27 < 2–3 mL (~1 mL per site) Beginner Intradermal Anesthesia...Addgene blog Mouse Modeling Part 1 Mouse Modeling Part 2 Five Popular Model Organisms Additional resources ...Routes of administration. In H. Hedrich (Ed.), The Laboratory Mouse. Academic Press. Turner, P. V., Brabb, ...M. A. (2011). Administration of substances to laboratory animals: routes of administration and factors...

  4. Plasmids 101: How to Verify Your Plasmid Using a Restriction Digest Analysis

    Type
    Blog Post
    Published
    Aug. 28, 2014, 3:34 p.m.
    .... Diagnostic restriction digests are comprised of 2 separate steps: 1) incubating your DNA with restriction...which cleave the DNA molecules at specific sites and 2) running the reaction on an agarose gel to determine...including a 1.2 kb insert. The plasmid was digested with 2 unique enzymes (HindIII and BamHI) and run on an agarose...to serve as a reference band. The uncut DNA (lane 2) shows 3 possible plasmid conformations, with relaxed...1kb ladder (lane 1) that has bands ranging from about 500bp to 10kb, with the 3.0kb fragment having increased...

  5. Plasmids 101: Dimers and Multimers

    Type
    Blog Post
    Published
    Jan. 10, 2023, 2:15 p.m.
    ...identification.   Fig. 2: Gel image of Plasmid 61564: pBAMD1-2 (~4.7 kb) digested with SpeI and... at ~3.6 kb and ~1.1 kb (lane 3). Uncut DNA (lane 2) has a band at <3 kb, which corresponds to the supercoiled...formation of plasmid multimers. Cell. 1976 Dec;9(4 PT 2):707-16. doi: 10.1016/0092-8674(76)90134-3. PMID: ...dimers in Escherichia coli K-12. Plasmid. 1989 Mar;21(2):138-41. doi: 10.1016/0147-619x(89)90057-7. PMID: ...Plasmids and Chromosomes. Microbiol Spectr. 2014 Oct;2(5). doi: 10.1128/microbiolspec.PLAS-0025-2014. PMID...Behavior of Plasmid DNA. Microbiol Spectr. 2015 Apr;3(2):10.1128/microbiolspec.PLAS-0036-2014. doi: 10.1128...colonies using one of the detection methods described above can help ensure the isolation of the monomeric version...

  6. Flow Cytometry Readouts: Yes, No, and Everything in Between

    Type
    Blog Post
    Published
    Aug. 20, 2024, 1:15 p.m.
    ...low expression, and everything in between (Figure 2). These smears tend to occur when you are looking ...based on your experiment. You can see from Figure 2 that determining where to place your gate based on...the dot plot would be complicated.  Figure 2: (A) a smeary dot plot showing a range of antibody...plot in Figure 4 compared to the dot plot in Figure 2. Quantification using MFI makes it easier to identify...interest. Created with biorender.com. The plot above is for a smeary expression and is quite different.... Additionally, you can gate off the histograms above, allowing you to visualize your data as a dot plot...

  7. CRISPR Antimicrobials

    Type
    Blog Post
    Published
    May 3, 2016, 2:30 p.m.
    ...Citorik Plasmids here). In both cases, they used 1-2 CRISPR crRNAs targeting sequences found only in certain...resensitize antibiotic-resistant bacteria (Figure 2). The first phage introduced is lysogenic, integrating...machinery targeting 1) the given resistance gene and 2) a second lytic phage. Bacteria that receive this ...bacteria have previously flourished.   Figure 2: Two-phage strategies to resensitize bacteria to antibiotics...237163. Find plasmids from this paper at Addgene. 2. Bikard, David, et al. “Exploiting CRISPR-Cas nucleases...organizations are working to help educate the public about proper antibiotic usage. Although these steps are...laudable, they likely won’t solve the growing problem. Above all, we need new antimicrobials, ideally ones for...

  8. Early Career Researcher Toolbox: Social Media for Scientists

    Type
    Blog Post
    Published
    Dec. 11, 2018, 12:46 p.m.
    ...scientists are using social media professionally, and 2) I needed to start using Twitter. Sharing Chemistry...but my consistent writing for the Addgene blog (~1-2 blog posts per month) and use of Twitter and LinkedIn...PhD 👩🏾‍🔬💜 (@ThePurplePage) February 13, 2014 2. "The Scientist's Top 10 Guide to Twitter" blog post...you social media can positively impact your career, 2) given you tips for using various social media platforms... advantage. It wasn’t until I wrote a blog post about a research paper that explored how scientists connect...saw a request for an Addgene guest blogger post about colony PCR, I signed up immediately. I had used ...science communication skills, while also learning about new scientific developments and helping scientists...

  9. The Effect of COVID-19 on Liu Lab Plasmid Requests From Addgene Data

    Type
    Blog Post
    Published
    July 16, 2020, 1:15 p.m.
    ...month, from 1/22/20–2/23/20, where there were zero plasmid requests. Afterwards, from 2/24/20–3/15/20 (the...Each paper has between 1–32 plasmids and a total of 2–2,590 requests. We received plasmid requests from ...observed between Jan. 1 and Mar. 1, 2020. Figure 2: A simple approximation of the effect of COVID-19 ...However, it is evident that if we believe that 1/22/20–2/23/20 are the more accurate dates of lockdown in China...in his laboratory. Learn more here. Additional resources on the Addgene blog Learn more about plasmid...

  10. MXS Chaining

    Type
    Blog Post
    Published
    Feb. 7, 2017, 3:30 p.m.
    ... TagBFP 399nm/ 456nm histone 2B (H2B) Chromatin 2 Cerulean 433nm/ 475nm Lyn-tag (derived from the tyrosine-protein...based (chaining-based) cloning. The modules (Figure 2) are contained in individual plasmids and are each...between various cloning methods are listed in Table 2. For example,  chaining-based cloning methods require...suitable for combining endogenous sequences. Table 2: High Throughput Cloning Strategies Method Technology...PMID: 20205762. PubMed Central PMCID: PMC2822740. 2. Engler C, Kandzia R, Marillonnet S. A one pot, one...Resources on the Addgene Blog Read about Gibson Assembly Learn About Other Plasmid Cloning Techniques Plasmids...

  11. CRISPR 101: Targeting RNA with Cas13a (C2c2)

    Type
    Blog Post
    Published
    Sept. 21, 2017, 2:07 p.m.
    ...question: C2c1, C2c2 and C2c3 (short for Class 2, candidate 1, 2, or 3). C2c1 and C2c3 are related to Cpf1,...however cutting efficiency of Cas13a is reduced when 2 mismatches are present. The protospacer flanking sequence...PMC5127784. Find plasmids from this paper at Addgene. 2. East-Seletsky, Alexandra, et al. "Two distinct RNase... and functional characterization of diverse class 2 CRISPR-Cas systems." Molecular cell 60.3 (2015): 385...potential applications of Cas13a given what we know about its structure and function? For starters, Cas13a... Check Out Our CRISPR Featured Topic Page Learn about Anti-CRISPRs Multiplex Genome Editing with Cpf1 ...

  12. Viral Vectors 101: Optogenetic Tools

    Type
    Blog Post
    Published
    June 27, 2023, 1:15 p.m.
    ...for controlling neuronal activity, channelrhodopsin-2 (ChR2), a blue light-activated cation channel, from...used in tandem with the opsin.      Figure 2: Diagram of excitatory (ChR2) activation by light ...) domains, phytochrome B (PhyB), and cryptochrome 2 (CRY2) (Zhang & Cui, 2015). When stimulated with light...comparative analysis of microbial opsins. Nature Methods, 9(2), 159–172. https://doi.org/10.1038/nmeth.1808 References...comparative analysis of microbial opsins. Nature Methods, 9(2), 159–172. https://doi.org/10.1038/nmeth.1808 Nagel...Hegemann, P., & Bamberg, E. (2003). Channelrhodopsin-2, a directly light-gated cation-selective membrane ...intracellular signaling pathways. Trends in Biotechnology, 33(2), 92–100. https://doi.org/10.1016/j.tibtech.2014.11.007...

  13. New Neuroscience Tool: The iGluSnFR3 Glutamate Sensor

    Type
    Blog Post
    Published
    April 7, 2022, 1:15 p.m.
    ...kinetics which are illustrated in figures 2 and 3.  Figure 2: Glutamate titration curves for the different...signals upon sensing glutamate using both 1-photon and 2-photon imaging.   Figure 1: 1P and 2P excitation...adapted from Aggarwal et al…, Supplementary Figure 2.   Improved trafficking and localization through...Additional Resources on the Addgene Blog Learn about other Fluorescent Biosensors A Practical Approach...

  14. Easi-CRISPR: Generating Knock-In and Conditional Mouse Models

    Type
    Blog Post
    Published
    April 5, 2018, 12:42 p.m.
    ...process of conventional gene targeting is lowered to about 2-3 months. But certain models remain more difficult...included in the final ssDNA template. Figure 2: Overview of ivTRT to generate an ssDNA repair template... floxed conditional allele requires you to target 2 loxP sites to intronic regions 0.5 - 0.8 kb apart....Typically, Easi-CRISPR works best with insertions of 2 kb or less. Luckily, most of the commonly used cassettes... induction systems (ttA or rtTA) are between 1 to 2 kb in length. There are plenty of Addgene plasmid ...create the ssDNA construct as described in Figure 2.  You can also use Addgene plasmids to purify Cas9... on CRISPR Mouse Models Learn about Homology Directed Repair Learn about Cas9 Ribonucleoprotein (RNP) ...

  15. Hot Plasmids Podcast Episode 2: New RFPs, AAVs, & More

    Type
    Blog Post
    Published
    Sept. 8, 2017, 7:52 p.m.
    ...Listen to Our Segement on the Tol 2 Gateway-Compatible Toolbox  Hot Plasmid 2: AAV Vectors for tageting GABA-ergic...of our Hot Plasmids podcast series, you'll learn about new red fluorescent proteins, AAV tools for targeting...

  16. Tips for Getting a Faculty Position

    Type
    Blog Post
    Published
    July 20, 2023, 1:15 p.m.
    ... this problem? (2-3 sentences) What will be the focus of your first grant? (1-2 sentences) ...of scientific success is publications and grants. 2. Write succinct and easy to understand documents A...consideration. 3. Present an easy to follow seminar See item 2. Attendees will include grad students (that are solicited...people would agree is important to understand. (1-2 sentences). For example: Distinguishing correctly ... potential colleagues study. Think about how you might collaborate or, at the absolute minimum, can appreciate...the first sentence or two what your research is about and what you think you can accomplish. No matter...your seminar accessible. Let the experts ask you about the details and then you can display your deep knowledge...

  17. 9 Tips to Achieve Success in Academia

    Type
    Blog Post
    Published
    April 1, 2014, 5:33 p.m.
    ...favorite journals. “If you don't read, you're doomed.” 2. Always be sure to include various positive and negative...will be periods when opportunities arise. “Grab it!” 2. Don’t get caught up in the hype. 3. “Passion gives...sustained motivation is a huge component of success.” 2. “Enjoy Teamwork.” Be friendly, open, sharing, rather... passionate about. Check out my previous post if you're looking for more information about the benefits...every spurious result under the sun. Academia is about convincing results, and nothing is more convincing...is your passion? Even if no one else is excited about it, distinguish yourself with this passion. “Love...presentations and of course, networking and collaborating.” Getting out of the lab also “opens the student's...

  18. 22 Hot Plasmid Technologies from 2014

    Type
    Blog Post
    Published
    Jan. 6, 2015, 5:21 p.m.
    ...Currently available from the Kim lab are 2 presynaptic and 2 postsynaptic targeting mGRASP plasmids. Additionally... cells were pulsed with 2µg/ml of Doxycycline for 2 hours, and imaged on the Keyence BZ-9000 fluorescence...work! Robinson et al., Dev Cell 2010 Feb 16;18(2):324-31. Cheeseman et al., J Cell Sci 2013 May 1...promotes the formation of an isopeptide bond between 2 peptide tags, SpyTag and KTag. The group demonstrated... of three sets of cloning vectors (Level 0, 1, or 2) which can be utilized in three successive assembly...1 modules can be similarly assembled into a Level 2 vector, thus forming a functional genetic circuit....circuit. Flexibility has been built into the Level 2 vectors to allow for additional iterations of Level 1 assembly...

  19. CRISPR-based Genome Editing Systems For Editing in E. coli

    Type
    Blog Post
    Published
    April 13, 2021, 1:15 p.m.
    ...plasmids are cured from the cell. Steps 1-1 and 1-2 can be done simultaneously. Image from Li et al., ...1) replaced the promoter of gRNA-pMB1 with PrhaB, 2) changed the replicon of pCas into a non-temperature-sensitive... pEcCas/pEcgRNA system in 4 E. coli K-12 strains, 2 E. coli B strains, 1 E. coli W strain, and 1 Tatumella...MUCICAT better, it is faster. Using MUCICAT only needs 2 newly constructed plasmids (pDonor and pQCascade) ...rounds of transformation in 30 days. Figure 2: (A) MUCICAT plasmids for multicopy integration. (...complete editing process. The MUCICAT system While the above systems are great for experiments that require only...serve to interrupt genes (or gene clusters) in metabolic engineering. So far, we’ve used the MUCICAT system...

  20. Hassle-free 96-well Format Epitope Tagging Using Cas9 Ribonucleoprotein

    Type
    Blog Post
    Published
    June 28, 2018, 3:01 p.m.
    ...purify IVT sgRNA in the lab. Figure 2: Cas9 RNP complexed with 2-part cr:tracrRNA tags genes more effectively...into stem cells. Cells are allowed to recover for 2-5 days and then analyzed for tagging efficiency using...IVT sgRNA) approach (Dewari et al. 2018 and Figure 2). Not only is the cr:tracrRNA approach highly efficient...cell suspension, transfect and let cells recover for 2-5 days.Note: We use the Nucleofection method for delivery...success was ~%50. If you get low knock-in efficiency (<2% positive by ICC for the tag) or do not see any cells...PMID: 28096221. PubMed Central PMCID: PMC5312033. 2. Dewari PS, Southgate B, Mccarten K, Monogarov G, ...ChIP-seq methods provide a wealth of information about how protein networks work in cells. A major bottleneck...
Showing: 61 - 80 of 520 results