... Nat Biotechnol. 2018 PubMed PMID: 30125270. Changing the way we detect viral outbreaks Article contributed...equipment. What’s more, detection is based on color changes to the assay paper, so no special equipment or ...novel peptide ligand motifs Article contributed by Michael Lemieux  Listen to the SH3 domain podcast segment...biochemical processes. One of the largest and best characterized of these is the Src homology 3 (SH3) domain ...

...available in your machine before you make your purchase. Picking a single fluorophore for an experiment...overlap, or the signal "spilling over" into another channel's detection range. Though you can compensate for... University Flow Core. Fluorochromes Brightness Chart. Boston University Flow Core. Retrieved January ...flow-cytometry/files/2013/06/Fluorochromes-Brightness-Chart.pdf Syracuse Flow Core. Syracuse flow core spectral...

...our mission, it’s also because Addgenies love any chance to nerd out over their favorite science topics....Addgenie expertise we can. We even have a Slack channel just for asking people if they can write or review...posts get out of date as techniques and knowledge changes and require updating or retiring. CRISPR/Cas9, ..., for example, has gone through rapid change in the past few years. Thus, we are constantly updating our...

...Immunologists are coming together to tackle the challenge of curing cancer in cross-disciplinary projects...projects and collaborations. Summarized by Professor Michael Karin from UCSD: “The problem with cancer research...poster sessions During the poster session I got a chance to talk with Dr. Friedmann-Morvinski about tools...27411589. 2. Todoric, Jelena, Laura Antonucci, and Michael Karin. "Targeting inflammation in cancer prevention...

...makes generation of high titer Cas9 lentiviruses challenging. This cytotoxicity also causes growth rate variability...Roth’s lab at the University of North Carolina, Chapel Hill. These can be used to investigate the effects...transgene expression across different cell types (Aschauer et al., 2013). Expression of hM4D(Gi)-mCherry ...hM4D(Gi)-mCherry in fixed tissue. References 1. Aschauer DF, Kreuz S, Rumpel S. Analysis of transduction...

...computation work comes with new sets of challenges. One challenge with computational analyses is to keep... are doing what you are doing. Another common challenge is to keep track of what works, and what does ...that further helps you keep track of your exact changes. Alternatively, you can simply make a note in your...

...s Lab in 2009. From 2009 to today, Sample6 has changed focus and names, swapped leadership, and grown ...much learning, the focus of the application was changed, but Sample6 still leverages the core engineering...his co-founders raised $6 million. The biggest challenge during this time was learning to communicate effectively...better than current technology and get customers to change behavior. When you are ready to commit to the company...

...restriction enzymes or vector purchases (Table 1). Restriction enzymes and vector purchases can raise the cost anywhere...one-off projects, or even save yourself hours by chatting quickly with the postdoc who’s really good at ...harder it is to throw in last minute experiments or changes. Fun fact: Addgene’s high-throughput approach means...

... studying protein turnover is radioactive pulse-chase experiments. However, these experiments are problematic...synthesis: incorporation of puromycin into peptide chains." Proceedings of the National Academy of Sciences...PubMed Central PMCID: PMC4414919. 5. Yarmolinsky, Michael B., and L. Gabriel. "Inhibition by puromycin of...Single β-actin mRNA detection in neurons reveals a mechanism for regulating its translatability." Science 343.6169...

...monkeys. Surprisingly, we found that this small change made a big difference. Replacing the mCherry with...does highlight the importance of a careful characterization of transgene expression. Which tag should ...RAS-responsive adenylyl cyclase complex from Saccharomyces cerevisiae by use of an epitope addition method...Raper J, Hu X, Paré J, Bonaventura J, Richie CT, Michaelides M, Mueller SAL, Roseboom PH, Oler JA, Kalin NH...

... Joanna Brownstein (our outgoing Chair) and Dave Root (incoming Chair) and our entire supportive Board...year (12% in 2018) since 2005. We’re meeting the challenges of DNA distribution to ensure scientists everywhere...happening. The Addgene team will have some fun challenges this year and I’m excited about this, but definitely...

... antibody cross-reacts to, then there is a good chance that the antibody could meet your needs.    Multiplex...will not only have peace of mind as you make your purchase but also someone to turn to for advice if you ...application.      Fig. 1: Antibody Selection Flow Chart    What does validated mean anyway? You now ...Validation!  Download our antibody selection flow chart.  References and Resources Additional Resources...

...and ELISAs. Chromogenic reactions produce a color change, so they are typically used in microscopy-based...coupling can be achieved through several different mechanisms. Most take advantage of chemical groups intrinsically...that make up the disulfide bonds between antibody chains. 3) Endogenous carbohydrates added to antibodies...References Bendall SC, Nolan GP, Roederer M, Chattopadhyay PK (2012) A deep profiler’s guide to cytometry...

...kits or ordered as synthesis modifications when purchasing your gRNA. Pro tip: modifications are typically...expression systems are constantly “on”. There is no mechanism to turn cutting off or on at a specific time. ...and you can opt to do-it-yourself with a kit or purchase it commercially synthesized with a label. Not ..., E., Satyapertiwi, D., Ramel, MC., et al. Photoswitchable gRNAs for Spatiotemporally Controlled CRSIPR-Cas-based...

...scientists communicate with each other: from formal mechanisms like publishing a research article, presenting...informal settings like lab meetings, Twitter, coffee chats with potential collaborators, blogging and more....read freely by anyone and are typically free of charge for authors to post. They can be assessed and commented...authors over time, providing a public record of changes, critiques or endorsements. In contrast, journal-based...

...protein homodimerization is characterized by an affinity of 110 µM (Zacharias et al, 2002), meaning that... proteins reported in publications are only characterized under a limited number of conditions, often ...microscopy (University of Amsterdam). He develops, characterizes and uses genetically encoded fluorescent probes...

...CRISPR/Cas9 genome editing can result in unwanted changes at non-target sites. Means to decrease these so-called...between the non-target strand and a positively charged groove formed by the Cas9 HNH and RuvC nuclease...al reasoned that, if they decreased the positive charge in the HNH/RuvC groove, then they could weaken ...interactions between the groove and the negatively charged DNA and therefore destabilize basal strand separation...

... with Cas9 guided by different promoters. The challenge in building genetic circuits is getting enough...shape of the response function or how the output changes as a function of input. Usually that function is...enough genetic parts for complexity. We have characterized almost 600 terminators. That gives us enough... we’ve really been making tons of parts and characterizing the software to help you put it together. The...

...experiments are either not accessible or too challenging for amateur scientists. Planarians, wormy creatures...cell types and for viewing how gene expression changes through time or after genetic manipulation. The...tissue sample, several washes, and temperature changes to visualize the expression of specific genes. ...genes of interest and was first discovered and characterized in an unrelated worm (C. elegans) [2]. Delivering...

...of the theme of my interview stories as the characteristic which the story demonstrates I possess.   Bullet...to present about your prior research. This is a chance to highlight your prior accomplishments and demonstrate...carefully. And even if you don’t have technical challenges, your interviewers might.  You’ll probably still...their hand to ask a question or type it into the chat. Either way, just let the interviewers know up front...