We narrowed to 1,047 results for: sta

...scientific research ecosystem, not just in the United States but around the world. As an organization that directly...research infrastructure that has taken decades to establish.These funding decisions will have far-reaching consequences...progress depends on our collective response. Addgene stands ready to collaborate with partners across the research...will directly shape our response initiatives as we stand with the scientific community. Let us know by emailing...

...choose to start their own academic research laboratory. How does one even go about starting a lab? Obviously...students and postdocs when starting out. She advises “do not hurry to staff up the lab and to take things...resources for hiring research staff. And for a more indepth resource for starting your academic lab, download...a PI without a personal assistant has to deal with. My inbox currently stands at about 65,000 messages...for advice on staffing your lab. Let us know if you have any relevant tips for starting a lab. Or share...effective working environment? Tom Ellis was offered a start-up package that included a postdoc and a PhD student...important to me to be with them in the lab when they started, so that we could discuss our projects and ideas...

...H840A nickase. The fusion enzyme is capable of installing targeted insertions, deletions, and point mutations...protection factor La to PEmax to enhance pegRNA stability epegRNA — additional protection added to 3’ tail...

...Description High Complexity Golden Gate Assembly Standards Kit Cloning Eric Cantor Kit for using comprehensive...Marillonnet 95 plasmids for cloning and assembling standardized parts to create eukaryotic multigene constructs...

...two formats: pretransformed in bacteria as an agar stab 20 µg purified DNA in Tris buffer (500 ng/µL ± 25...window) is a 19.1 kDa and exceptionally bright and stable luciferase that enables highly sensitive detection...

...interaction with negative regulators, increase its stability and DNA binding activity, and allow it to bind...regulator; also known as MDM4 Noxa Phorbol-12-myristate-13-acetate-induced protein 1; also known as PMAIP1...

...Martin-Luther-University Halle-Wittenberg and Adam Bogdanove at Iowa State University published the nucleotide recognition ...some restrictions (for example, the target must start with a T), but they still have potential targetable...

... you. Statistics – The basics Statistical analysis is what determines if there is statistical significance... several core factors of statistics relevant for many downstream statistical tests.   Independent variables...are statistically different. They are classic parametric tests and one of the simplest statistical tests...described above. Violated assumptions and statistics Statistical power, the ability to correctly identify...is a better option. Stay tuned for our upcoming blog on non-parametric statistical tests! Adding it all...your friendly neighborhood biostatistician happy by making your statistical analysis plan when you design...Wissing, Dennis R., and Timm, Donna. Statistics for the nonstatistician: Part I. South Med J., 105(3): 126...

...Biomedical research, for instance, contributes heavily to medical practice, and understanding the scientific process...can vary "Lab assistants" usually wash glassware, prep media, etc. "Research assistants" are more involved... maintenance Administrative assistant: assists PI with admin duties Staff scientist: similar role to a...professors, and other mentors, and four years after I started college, I will be entering a PhD program to continue... As scientists, we probe beyond the realm of established theory. Realizing that textbooks don’t tell us... process can help us understand how new therapies can be developed and applied. The current pandemic serves...the lab Official title is typically Professor, Assistant Professor, Associate Professor Sometimes teaches...

... creation of the United States Environmental Protection Agency, which started making regulations such ... the second in a series of posts on bringing sustainable practices in the lab. The first post focused ...learn about some creative approaches to lab sustainability, and find ways to further reduce our consumption...consumption beyond recycling.     Choosing more sustainable products Recycling is great for rerouting waste... grant agencies), we can shift toward a more sustainable one. The math on this is pretty simple: wash ...solutions and practices to meet higher environmental standards. Find some easy action items on our other article...

...location where the United States Postal Service picks up mail. NEB actually started this program in 1976! ..., flip the flaps of the box so the pre-paid postage stamp is on the outside of the container, and drop...off the box at any location where the United States Postal Service picks up mail. Recycle plastic packaging...more lab sustainability tips, check out our other articles in this series: Bringing Sustainable Practices...popularity of single-use items, plastic is a substantial portion of lab waste. Despite the fact that researchers...cost of regular waste services. Learn about how to start a glove recycling program at your institute! What...culture room for the wrappers and ship them back. Start a glove recycling program at your institute! Universities...

...involved, it can be difficult for scientists to understand how GPCR activation leads to downstream effects... the endogenous ligand or drug. In the inactive state, the luminescent chimeric protein Gα-Rluc8 and Gγ-GFP2...resulting in a decreased GFP2 emission. The activation state can be measured by a BRET2 ratio, which is the ratio...pharmaceutical drugs, there is still only a partial understanding of how GPCRs signal through G protein signal...provides scientists with a toolkit to gain an understanding of the signaling through the transducerome from...as well as the activation by drugs to further understand their mechanism. These plasmids are available... the transducerome, to gain a more complete understanding of a GPCR mediated response.  Acknowledgements...

...was GeoCas9 discovered? The discovery of GeoCas9 started with an interesting question: why engineer a new...active at high temperatures Figure 1: Thermostability of SpCas9 vs GeoCas9. SpCas9 or GeoCas9 RNPs...GeoCas9’s editing activity in HEK293’s. GeoCas9 stability in human plasma The last trick GeoCas9 has up ...Harrington et al suspected GeoCas9 might have higher stability since prior research had shown that a cocaine ...cocaine esterase engineered to have increased thermostability also had a longer lifetime in human blood. To ...and cleavage product analyzed on a gel. SpCas9 is stable when incubated in reaction buffer alone, but has...lower than optimal temperatures. GeoCas9’s thermostability could also be used with in vitro molecular ...

...can use the loss of resistance as a marker for successful cloning. In these instances, the cloning vector...Resistance to antibiotics is a widely used tool in molecular biology, yet scientists rarely stop to think...to maintain the plasmid. Adding an antibiotic resistance gene to the plasmid solves both problems at once...pressure to keep your plasmid. Viva la (bacterial) resistance!  What are antibiotics? Antibiotics are generally...bactericidal) or slow growth/prevent cell division (bacteriostatic); however, the distinction between the two ...categories may be a bit of a gray area as some bacteriostatic reagents can kill bacteria when used at high...subunit; inhibits aminoacyl translocation Bacteriostatic 50-100 ug/mL in EtOH Polymyxin B polypeptide...

... Marc Zimmer’s recent book, The State of Science: What the Future Holds and the Scientists Making It ...their inclusion here adds much needed context to understand every other problem. For non-scientists, Zimmer... ago. Teaching by example No examination of the state of science would be complete without the inclusion...to. The problems and challenges described in The State of Science have not changed in “COVID times,” but...next week.   A stepping stone When I discussed The State of Science with the five Addgene colleagues who ... learn everything about one specific topic, The State of Science could be a jumping off point to explore...

...number of participants and the standard academic calendar. So you want to start a journal club? Here are some...begin building a high level understanding across multiple teams or to stay abreast of current trends in...certainly had concerns that I may not have time to stay current or enjoy that discussion. Luckily, one needn't... edge science, researchers of all varieties must stay current with literature and emerging technologies...recurring meeting amongst scientists that aims to help stay current on new and emerging work by collaboratively... The first thing to do if you’ve thought about starting a journal club is to find a topic and seeing if...clear purpose and effective time management, for starters.  Now, you are ready for your first journal club...

... camera, OR, monitor from that distance.  Build: We got a wheeled stand and mounted a monitor to it. It...Addgene’s Science Video Production Specialist, I’m constantly thinking about ways to improve our productions...Pivot Back in March 2020, just four months after I started with Addgene, I was about to have a check-in with...resources we have, and we developed a great plan to start consistently knocking out high-quality videos for...the window. So, much like SynBio, it was time to start our Design-Build-Test-Learn cycles. If you’re not...filming myself. While easiest from a production standpoint, it wasn’t ideal for our Lab Protocol videos....space to shoot was another hurdle. As we slowly started to realize that we were going to be out of the ...

...musician, then metastasize is touring. But you know what a touring musician needs? A backstage team. Meet ...progression, and metastasis. The microenvironment’s physiology is deeply connected to these 3 stages and contains...microenvironments have started to gather attention. By the 1960’s, scientists have begun to understand two main areas... seem to take center stage in cancer development, the microenvironment backstage play just as important...Meet the microenvironment, a tumor’s backstage team. Microenvironments are cellular regions with specialized...highly prone to affect it. While tumors may be the stars, there's plenty of action outside of tumor cells...them, making it even harder to cure cancer. To understand how cancer cells influence microenvironments ...

...cells, are already resistant to this antibiotic due to stable integration of resistance genes in their genomes...selection agent. Pros: Stable (spectinomycin). Cons: Cost (spectinomycin) or stability (streptomycin), doesn...damage. Choosing an antibiotic resistance Choosing the best antibiotic resistance ultimately comes down to ...antibiotic and happy selecting!   Antibiotic Resistance Stability Time Saving?  Works for multiple organisms... M., & Larminat, F. (2005). Resistance to the antibiotic Zeocin by stable expression of the Sh ble gene...Plasmids need antibiotic resistance genes so that you can specifically isolate bacteria containing your...interest. But does it matter which antibiotic resistance gene you select? In this blog, we’ll break down...

...Though Cas9 is not a static molecule in any binding state, RNA loading stabilizes the closed conformation...pyogenes.   Figure 2:  Crystal structure of S. pyogenes Cas9 in the apo state (PDB ID 4CMP) with domains...the PAM is so flexible in this state that it doesn’t appear in the crystal structure (Figure 2) at all. ...Pro tip! X-ray crystallography cannot capture flexible or disordered regions, so crystal structures like...in this region. The crystal structure in Figure 3 shows the guide RNA stabilizing the DNA-binding protein...pyogenes Cas9 in the apo state (PDB ID 4CMP, top) compared to the guide RNA-bound state (PDB ID 4ZT0, bottom...engineering, and studying its structure can help us understand the parameters of CRISPR experimental design....