We narrowed to 905 results for: NSI

... mammals, which is thought to be due to their propensity to integrate into proto-oncogenes and disrupt...alternative virus, or other strategies may need to be considered if size constraints are an issue. Adenovirus...Adenovirus is an effective option if you need high, transient expression of a genetic cargo or have a very large...

...this solution wasn’t practical due to the low intensity of luminescent proteins. To make luminescent imaging...luciferase has a low quantum yield, and when transiently expressed in cells, generates much less signal...intravenously with coelenterazine, with increased sensitivity and faster imaging compared to previous publications...

... lower background levels and improved signal sensitivity. Another advantage: luciferase reporters aren...Not required Signal strength Lower Higher Sensitivity Higher Lower Background Lower Higher Photobleaching...change in conformation of a single protein. Considerations for luciferase assays Luciferases can only ...

... Temperature inducible promoters Temperature sensitive expression systems are typically less leaky than...Red flame plasmid pDawn contains the blue-light sensing protein YFI. When light is absent, YFI phosphorylates...? Here’s a list of some important variables to consider when choosing an inducible promoter. Experimental...

...repair template (sister chromatid or homologue) or extensive DNA synthesis. NHEJ also finishes repair of most...streamlined version of this pathway and does not consider the missing or damaged nucleotides that are common...Biochemistry and Biophysics and the Lineberger Comprehensive Cancer Center at UNC Chapel Hill.   References...

...you are spending on a conference? One thing to consider is the size of the conference. Large conferences...favor small conferences where the attendees stay onsite and eat together because scientists have time to...– even students and postdocs. There are many inexpensive/free places to order cards. There are a few good...

...publication in a scientific journal requires several considerations. First, it is important to establish the type...journal. An increasing number of funding bodies insist that the research data resulting from their funding...is a Developmental Editor for F1000Research, responsible for assessing the scientific content of manuscripts...

...that consistently receives around 200 new DNA samples every week. Here we will provide an inside look ...terminators. Detailed instructions on other factors to consider when designing your primers can be found here....

...organized lab saves time and money across the board. Consider alternative cloning strategies There are many ...methods, like Gibson assembly, are typically more expensive, so you’ll have to find a balance between time...either don’t scale or have limited scaling. The downside of high-throughput work is that you give up a ...

...might use it in the lab. What is a Fab Fragment? Consider the classic IgG antibody (Figure 1): it is composed...new components in your antibody tool box. As you consider which tools to use, be sure to think about what... other components of your experiment. These considerations will help you narrow down which antibody format...

...antibody, this approach can greatly increase the sensitivity of an assay by increasing the number of signaling...place over multiple days. Increased run time is considered one of the major drawbacks of the indirect method...interest - the secondary antibody needs careful consideration before selection. If all the primary antibodies...

...advantage of polyclonal antibodies is that they are inexpensive. Their short production time and the bulk purification...labs. Polyclonal antibodies also have a high sensitivity to the target protein due to their ability to...or fixation (IHC). Because of their increased sensitivity, polyclonal antibodies are particularly useful...

...negative regulation by using a promoter that is responsive to a repressor protein, the increase in expression... of repressor protein also increases thereby intensifying repression of the gene of interest and keeping...the increase in plasmid copy number during the transition to stationary phase, Segall-Shapiro et al. placed...

...red-shifted Ace-mScarlet, a fusion of a voltage-sensitive inhibitory rhodopsin (Ace2N) with the red fluorescent... Ace-mScarlet is a fusion between the voltage-sensitive inhibitory rhodopsin Ace2N and mScarlet. Ace2N...existing green-fluorescent GEVIs and blue-light-sensitive channelrhodopsins. Find the Ace-mScarlet voltage...

...using words for their field or technology in a consistent way. Just creating a lexicon was not enough. ... using the same words with the same meanings consistently, meetings will be shorter and more productive...during your postdoc that you enjoy and have a propensity for cross team communication, that’s an important...

...sequencing and qPCR methods are too costly and time intensive to process a large number of microbiome samples...bumble bee and honey bee microbiome. The toolkit consists of modular parts that are assembled with Golden...microbial population dynamics in the gut can provide insight into how the microbiome responds to infection, ...

... dsDNA. It cleaves ssDNA with high fidelity - sensitive to even a single mismatch in the target sequence...This makes it particularly useful in generating transient edits of signaling molecules (RNA) as opposed ...for targeting mRNA and useful as a mechanism of transient knockdown of gene expression. This system could...

...site-specific recombination events. The system consists of two components derived from the P1 bacteriophage...cyclization recombinase”), is a 38 kDa protein responsible for intra- and inter-molecular recombination ...sites are 34-base-pair long recognition sequences consisting of two 13-bp long palindromic repeats separated...

...article we will discuss general viral safety considerations and best practices for handling lab-grown viruses...replicate and continue the infection cycle once inside the host. While the virus can still enter (and ...into the host’s DNA. These viruses also have a propensity to integrate into proto-oncogenes, which can ...

...significant plasmid elements. Which differences are considered a QC issue is reviewed yearly at a best practices...populations. All of these topics require additional considerations to resolve. Sequencing and assembly issues ...assembly in Geneious can still provide additional insights to resolve the assembly and determine if there...

... this type of ELISA is extremely specific and sensitive to the target protein due to the use of multiple...concentrations of your protein of interest. The optical density (OD) - the measure of light absorbed by a solution...any experimental wells in that range of optical densities. If your standard curve does not have a linear...

...faster assembly and disassembly dynamics, higher sensitivity to light, and better distribution of clusters...measure fluctuations of TagRFP-T fluorescence intensity due to interactions with photoactivatable fluorescent...By monitoring changes in TagRFP-T fluorescence intensity at different time points, the authors tracked ...

...position, I just had a phone interview. I also transitioned between different lab groups without having ...that have lots of general questions about job responsibilities, performance evaluations, professional development...difficulties. Have your presentation on a flash drive and consider bringing your own laptop as a backup, if the company...

...science and collaboration. The field already has comprehensive reference pages and curated databases for scientists... (CeNGEN) The CeNGEN goal is to establish a comprehensive gene expression atlas of every C.elegans  neuron...Scientists monitor the effects of RNAi using four-dimensional contrast interference (DIC) microscopy and computer...

... publication, Mary Dunlop’s lab generated a photosensitive Cre, Opto-Cre-Vvd, by splitting and joining.... Opto-Cre-Vvd is precise, demonstrating low sensitivity to ambient light, and versatile as it can be ...be activated by both low and high-intensity blue light. Unlike other split-Cre systems which can take up...

...Performance When targeting single genes, SAM consistently shows the highest levels of gene activation ...which are relatively large and are not expressed consistently throughout cells. VPR Description VPR fuses ... dCas9 to activate transcription. This complex consists of the VP64 activator used in other CRISPR activation...

...fluorescent in-situ hybridization, methylation-sensitive restriction enzyme digestion, DNA adenine methyltransferase...living cells. Essentially this reporter construct consists of one substrate (the histone-derived peptide)... of these sites was controlled, the reporter consistently showed significantly different FRET levels between...

...carry out a high-throughput genetic screen, it is expensive and time consuming to individually generate gRNAs...Most insertions can only be detected by labor-intensive processes like PCR or by evaluating visual phenotypes...PMID: 27052166. Kunzelmann, Stefan, et al. “A Comprehensive Toolbox for Genome Editing in Cultured Drosophila...

...vivo HSC expansion cultures. A) Experimental design. B) UMAP of cell states in ex vivo expansion cultures...fluorescent proteins just haven’t met your needs, consider trying mGold2s or mGold2t for your next experiments...

... your viral supernatant. Baculovirus replicates inside insect cells, and its lifecycle ends in cell lysis...equipment. Hopefully this post has provided some insight on these differences in viral production and will...versus insect cells for viral production Consideration Mammalian cells Insect cells Viruses AAV and...