We narrowed to 962 results for: tes
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TypeBlog Post... organs located deep in the body, like the gastrointestinal tract. Require Administration of Substrate...coli aided in ultrasound imaging of the mouse gastrointestinal tract. The E. coli strain Nissle 197 (ECN)...probiotic strain that can colonize the mammalian intestinal tract and has been used for 100 years to clinically...
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FastCloning: A Newer, Simpler Cloning Technique
TypeBlog Post...sensitive restriction enzyme DpnI to remove the templates. Digestion products are then transformed directly...that the exonuclease activity of the polymerase generates sticky ends in the PCR reactions. These sticky...time to completely digest the template DNA. Note—templates must have been isolated from methylation competent... -
Choosing Your Perfect Empty Backbone
TypeBlog Post...carry in the target cell. These vectors allow you to test the function of Your Gene Of Interest (YGOI) in ...collection of empty backbones that have been designed, tested, and published by academic scientists. To help ...a mutated strain or a mutated version of YGOI to test the different phenotypes of the specific mutations... -
The Stingy Scientist: How the Baby Gel Box Was Born
TypeBlog Post... can’t safely recycle these materials either. Test tubes aren’t cheap everywhere Lab supplies and equipment...thrifty streak. One of the most accessed blogs on BitesizeBio is the protocol for making your own Taq polymerase...I got good at this despite the fact that my lab mates thought this was hilarious. Birth of the baby gel... -
Choosing a Good Mentor for Scientists
TypeBlog Post...labs have websites listing alumi and it is easy to use publication records, university websites, ResearchGate... lunch or beer) and in 1:1 conversations. This creates a level of familiarity and confidentiality to ensure... -
Safe Port in a Storm...How Addgene is Weathering the Pandemic
TypeBlog Post...building that someone from a different company had tested positive for COVID-19 (it turned out to be an unfounded...operations until our normal work resumed. Addgene distributes and fulfills requests for scientists doing almost...type of biomedical science research. Our work accelerates and enhances productive collaborations as well... -
Science Careers: Unruly Interests Feed Many Paths
TypeBlog Post...is mind-boggling. Unlike a mountain – with many routes up and only one destination – a career in the sciences...molecular pathways, I found myself curious about other routes – In terms of both types and topics of work. A ...rare organisms so I found it hard to stick to vertebrates alone. And a longstanding inclination to be ... -
Summer SciComm Series: Master of SciComm
TypeBlog Post...scicomm group project on the Leith river. Photo courtesy of Leonardo Ramos. I enrolled into a summer...industry. Along this road, science communication graduates are often well-equipped. Many institutions are...explores risk-taking behavior among collision sport athletes, as well as the ethical and health policy implications... -
Addgene Receives NIH BRAIN Initiative Grant to Create Open-Access Recombinant Antibody Resource
TypeBlog Post...have recently received a grant from the National Institutes of Health that will address this problem.The ...animals may be variable among animals and bleed dates. The development of monoclonal antibody (mAb) technology... represent the official views of the National Institutes of Health. References and Resources References... -
In Vivo Biotinylation of Bacterial Fusion Proteins
TypeBlog Post...Avidin and its derivatives have four biotin-binding sites per molecule so, theoretically, saturated avidin...were unable to cleave TEV within the protein we tested, it may be possible with other fusion proteins ...bacteria significantly enhance protein folding (tested using real science). Make a stock solution of 2.5... -
Viral Genome Sequencing - A One Stop Shop for AAV Identity and Serotype Confirmation
TypeBlog Post...effective substrates for tagmentation-based library preparation procedures. This finding eliminates the double-stranding...be run in parallel and provide serotype data in minutes and the scripts can be easily customized to detect... -
New and Upcoming Viral Vectors - December 2019
TypeBlog Post...avoid off target photostimulation of axons and dendrites on neighboring neurons. We have also packaged ... AAV in smaller aliquots of 20 ul for serotype testing to help you pick the best AAV for your experiment...control plasmids in new serotypes. See our Serotype Testing AAV inventory for the entire collection! Plasmid... -
Behind-the-scenes of the Isolation of the Thermostable IgnaviCas9 From a Yellowstone Hot Spring
TypeBlog Post...physical and chemical conditions like YNP thermal sites - are also of practical interest since they’ve previously...distance. At each collection site, we took GPS coordinates, water temperature readings using a heat gun,...the van der Oost lab. Phylogenetic comparison indicates that like GeoCas9 and ThermoCas9, IgnaviCas9 is... -
Single-cell tracking of lineage and identity with CellTag
TypeBlog Post...cell type that can differentiate into hepatic or intestinal cell types. MEFs were reprogrammed into iEPs ...least day 13. However, distinct transcriptional states were seen as early as day 6. All together these...in a competitive transplant assay in the mouse intestine, demonstrating its utility in long-term tracking... -
Why Add Sucrose? Improved Yields for Adeno-associated Virus Preparation
TypeBlog Post...shown that cells treated with sucrose or other osmolytes to induce hypertonicity display enhanced monoclonal...impaired endocytosis. In parallel assays designed to test the endocytosis of a fluorescent dye and transduction...host of other AAV serotypes; it will be exciting to test this approach with different capsids. Most importantly... -
Plasmids 101: A Brief History of Plasmids and an Improved eBook!
TypeBlog Post...of heredity were thought of as everything from parasites, to symbionts, to genes and the labels applied... the National Academy of Sciences of the United States of America 110.39 (2013): 15521–15529. PMC. PubMed... the National Academy of Sciences of the United States of America 70.11 (1973): 3240–3244. PubMed PMID... -
Quantifying DNA? Here are Five DNA Quantification Methods to Consider
TypeBlog Post...measures these absorbances using UV-transparent cuvettes. First you measure the absorbance of the buffer...-2 ul of sample and the run time is just a few minutes per sample. During the run, DNA fragments move ...quantified over time using a fluorescent dye that intercalates into the DNA such that smaller fragments are... -
Fluorescent Protein Travel Awards - FLiPs and Fluorescent Protein Biosensors
TypeBlog Post...variety of research applications and particularly notes their ability to be precisely spatio-temporally ...down the HMO of interest, the lactose released activates expression of GFP from the lac operon. GFP expression...Light to Control CRISPR Genome Editing Choose the Brightest Fluorescent Protein for Your Experiments Resources... -
DAP arrays for multiplex gene editing
TypeBlog Post...stood out from their initial testing. It outperformed other tRNA candidates (either from human or plant...muscular dystrophies, heart disease, and type 2 diabetes, across four different types of human cells, including... -
Hot Plasmids - January 2023
TypeBlog Post...area, as the image below shows: This system ablates tumors just as effectively as standard CAR-T cells...elevated at stable levels for 6 days - after just 15 minutes of FUS. Similar constructs to the one above can...conditions better than most FPs. The group also tested hfYFP in expansion microscopy as well as correlative...