We narrowed to 604 results for: abo.2
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TypeBlog Post...article in the Addgene Blog Mentoring series will cover 2 of the 7 mentoring questions I set out to answer. ...101-Building Relationships for Success”. Choose 1-2 tactics to try. One of my favorites is making the ...work if both parties are diligent about replying and thinking about good questions and answers. Professional...Sometimes, it is not who you know but who knows about you. I found some other great tips for finding mentors...Medical School researcher Connie Cepko to learn about her mentoring style. Mentors at home and away We...Catalyst Report “Making Mentoring Work” to learn about what makes a good mentoring program. If your organization...much less threatening! If they say no, don’t worry about it. It is a compliment to ask someone to share their...
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Antibodies 101: Single Chain Fragment Variables (scFvs)
TypeBlog Post...panning and scFv characterization. Figure 2: Phage display starts with a pooled library of scFvs...the short epitope GCN4, also called a scaffold; and 2) a GCN4 binding scFv that’s fused to GFP. When the...Fv (Variable Domain) (scFv) Fragments. Antibodies 2:193–208 . https://doi.org/10.3390/antib2020193 Khantasup... Read about frankenbodies, an anti-HA scFv-based probe for fluorescent imaging. Learn more about antibodies...Köhler who developed hybridoma technology. But what about single chain fragment variables (scFvs)? scFvs weren...from inclusion bodies, it’s time-consuming and laborious. To avoid this, one or more of these approaches...antibodies Read about another reagent sharing platform for antibodies, the Developmental Studies Hybridoma... -
Plasmids 101: Common Lab E. coli Strains
TypeBlog Post...Table 2: Lab strains of E. coli Strain Natural resistance Primary Use Genotype ccdB Survival 2 T1R ...resistance to tetracycline Additionally, Table 2 provides a quick reference for some of the popular...thiamine metabolism Requires exogenous thiamine for growth ara disruption of arabinose metabolism pathway...little prokaryotic minions that carried out the labor-intensive process of replicating your new plasmid... Phage resistance gal Mutation in galactose metabolism pathway Cells cannot grow on galactose only ...repressed more LacZ β-galactosidase activity abolished lacY Lactose permease inactivated, lactose...plasmid stability recBCD Exonuclease V activity abolished Increased plasmid stability, reduced recombination... -
Cancer, Inflammation and Immunity - Harnessing the Body’s Defenses to Fight Cancer
TypeBlog Post...represent a favorable state for tumor progression (Ref 2). Future treatments may need to target this immunosuppressive...cell 30.1 (2016): 147-160. PubMed PMID: 27411589. 2. Todoric, Jelena, Laura Antonucci, and Michael Karin...Cancer, Inflammation and Immunity and learn more about “... recent findings in basic immunology, cancer-immune...curing cancer in cross-disciplinary projects and collaborations. Summarized by Professor Michael Karin from...This was followed by a talk from Professor Karin about alcohol and obesity as driving factors for chronic...got a chance to talk with Dr. Friedmann-Morvinski about tools used to analyse the tumor microenvironment...community, contact [email protected] to find out more about our free deposit and distribution service! References... -
5 Great Apps for Lab Life
TypeBlog Post... there is no worry about misplacing your results or losing that lab notebook from 2 years ago. The free...notebooks you’re saving trees! The Earth thanks you. 2. Gibco Cell Culture by Gibco Whenever I start to learn...enzyme, or name to discover all the information about that restriction enzyme or share it via email with... this app. However, if you get quizzed randomly about a hazardous chemical and can’t find your lab’s MSDS... new researchers or students beginning to learn about biochemistry. The least this app will do is allow... -
Antibodies 101: Introduction to Gating in Flow Cytometry
TypeBlog Post... intensity of the cell’s illumination (see Figure 2). H describes the maximum signal strength, while W...SSC-A, so most people use that setting. Figure 2: As the cell passes through the laser beam and causes...scale in proportion (while H and W do not; see Figure 2), single cell events will show up in a straight line...lymphocytes in a mouse tumor sample You made it! So much about the theoretical background. Let’s dive into the ...often choose a looser gate here. I am not worried about including irrelevant events in my analysis, as these...population, acquired from the previous gating pipeline, about 53% of my cells are dendritic cells and ~13% are...ve covered in this blog post. First, you learned about the types of scattering that occur when a cell is... -
CRISPR 101: Off-Target Effects
TypeBlog Post...sites would confound your experimental results and 2) perform targeted off-target measurements at those...experiments where only localization of the Cas occurs. 2 gRNA approach Off-targets that come from mutations...perform downstream characterization of, isolating 2 or 3 distinct clones to perform key experiments on...is an off-target effect. Should I be concerned about off-target effects? Depending on your experimental...this could be a huge concern, or nothing to worry about all. Let’s consider several scenarios below for ...Predicting off-target events As mentioned in the above section, there are gRNA softwares available which...diligence to ensure they are indeed a non-issue. Above we mentioned how to predict off-target frequency... -
Targeted Mutagenesis with EvolvR
TypeBlog Post...while increasing the standard mutation rate by only ~2-fold over nCas9 levels. Two sets of modifications ...10-3 mutations per nucleotide per generation, and (2) the addition of the thioredoxin-binding domain (TBD...blog Learn about other CRISPR methods for bacterial genome engineering Learn more about lambda red ... genetic variants in bacteria. Read on to learn about the key components of EvolvR and its potential applications... -
Evolution of Lab Techniques
TypeBlog Post... is the genetic test used for sickle cell anemia (2). Southern blotting, in conjunction with restriction...program) can then reproduce the DNA sequence (Figure 2). Accuracy and accessibility led to the widespread...biology98.3 (1975): 503-517. PubMed PMID: 1195397. 2. Chang, Judy C., and Yuet Wai Kan. "A sensitive new...abundant in a sample. Whereas Southern blotting is labor intensive and requires a large amount of high-quality...DNA technologies that are now commonplace in laboratories. As scientific technologies rapidly progress...PMC4411503. Resources on the Addgene Blog Learn More about Restriction Cloning Get Tips on Analyzing DNA Sequencing... -
Visualizing Genomic Loci with CRISPR-Sirius
TypeBlog Post...that the signal to noise ratio can be increased from 2-fold (by CRISPRainbow) to 3-fold with CRISPR-Sirius...CNV) analysis of the U2OS cells. Figure 2: CRISPR-Sirius tricolor labeling. (A) Diagram of sgRNA-Sirius...the Addgene blog Download our CRISPR eBook Learn about fluorescent protein-based tools Read all CRISPR ... -
Quick Guide to Working with Drosophila Part 2: Controlling Gene Expression in Flies with Gal4/UAS
TypeBlog Post.../UAS system, and you can read more about them in review articles (2–4). You can also take a look at my...Development 118, 401–15 (1993). PubMed PMID: 8223268. 2. J. B. Duffy, GAL4 System in Drosophila : A Fly Geneticist... -
Hot Plasmids - January 2023
TypeBlog Post...is always best to have options. Fig. 2: Addgene’s western blot for mEGFP-HRas (from Plasmid...the presence of oxidizing agents. Adapted from Fig. 2 Campbell et al, Nature Methods Find YFP plasmids... minutes of FUS. Similar constructs to the one above can be made for expressing your favorite T-cell ... -
Form Your Own Peer Mentoring Group: A How-To Guide for Scientists
TypeBlog Post...The groups in these programs typically consist of 1-2 mentors and 3-5 mentees who meet together for an 8... together. If you all work at the same place, a 1-2 hour lunch on a regular schedule might work. If not...for Scientists Series. I have been thinking a lot about Mentoring for over 10 years. Many successful scientists...Medical School researcher Connie Cepko to learn about her mentoring style. While working on this project...postdocs I have started to talk to trainees more about peer mentoring. They want to find mentors to help... questions I get is, “What are we going to talk about?” There are an infinite number of ideas on the internet...from a lab, career or industry of interest – learn about their career paths and get their advice. Attend ... -
Expanding the Targeting Scope and Editing Efficiency of Adenine Base Editors
TypeBlog Post... systems to engineer better and faster ABEs (Fig. 2). These systems allow for rapid continuous protein...and less stringent phage selection. Figure 2: Phage-assisted evolution of base-editing activity...posts on base editing Read more about CRISPR Learn all the basics about CRISPR in our CRISPR 101 blog series...both changes simultaneously with 54% efficiency, about 7 times higher than ABE7.10. However, the increased...change C to T, G to A, A to G, and T to C, represent about two-thirds of known pathogenic point mutations. ... -
Pooled CRISPR Libraries Offer Genome-Wide Control for Large-Scale Functional Screens
TypeBlog Post...VP64 fusion; 2. A sgRNA incorporating two MS2 RNA aptamers at the tetraloop and stem-loop 2; 3. The MS2...that screen with a system you are really confident about working for most genes and individual targeting ... system, Konermann explained, was new knowledge about Cas9’s crystal structure. “I thought maybe we could...RNA we use. What we have to do now is learn more about the rules.” He said that there is no theoretical...References & Further Reading: For more information about SAM, including a tool for getting optimized guide... -
Advice for Starting a Biotech Company from a Grad Student turned Entrepreneur
TypeBlog Post...go anywhere. The team should initially consist of 2-3 individuals that are aligned in vision and outcomes... the technology. This transition takes around 1 – 2 years. The product is the measure of success. Technology...transitioned away from the bench and became all about finding the best product-market fit for this set...Notably, the team must have an upfront conversation about its goals and vision for the company; this will ...section! And read on for more great information about starting a biotech company. Suggested reading The...of Sample6) for taking the time to speak with us about the biotech startup process and work environment... -
Troubleshooting and Optimizing a Western Blot
TypeBlog Post... that all look exactly alike. Figure 2: Reagent gradient. Here, the lanes are lightly marked...guide. The gel is then removed from the membrane (2) and the membrane is cut so each lane is its own piece...in the bands, you may want to consult Tables 1 and 2 in our Technical Design of a Western Blot post to ...the antibody’s dynamic range. Specifically, the 1:2, 1:1, and No dilution samples all have approximately...conditions are 4 °C overnight or room temperature for 1–2 hours, there is some evidence that antibodies may ...re in the right place! In this post, we’ll talk about western blot optimization and troubleshooting. ...can be informative, so spend some time thinking about which type of gradient can help answer your particular... -
7 Tips to Secure a STEAM Internship This Summer
TypeBlog Post...and scholarships in different subject areas! 2. Resume and cover letter know-how Tailor your resume...4. Letters of recommendation wisdom Reach out to 2-3 individuals in your professional circle to vouch...Rose is passionate about outreach among low-income communities to educate parents about resources that can...automated filters of consideration. If you are worried about any eligibility provision, don’t guess. Simply reach... -
Antibodies 101: Polyclonal Antibodies
TypeBlog Post...starts to wane about a month later, the animal is given additional booster immunizations every 2-3 weeks to...level of antibodies is reached - typically within 2-4 months. After the animal has the desired level of... Read about another common type of antibody for research, monoclonal antibodies Learn about the advantages... -
Stabilized Bacterial Promoters: Constant Gene Expression at any Copy Number
TypeBlog Post...per cell increases 4-5 fold (for pUC plasmids) or ~2 fold (for p15a, R6K, and ColE2 plasmids) as cell division...biotechnology 36.4 (2018): 352. PubMed PMID: 29553576. 2. Kittleson, Joshua T., Sherine Cheung, and JChristopher...is useful for many metabolic engineering and synthetic biology goals. In metabolic engineering, the expression...or can interfere with the precision needed in metabolic engineering or other synthetic biology circuits...