We narrowed to 958 results for: Tes
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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...
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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 ... -
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... -
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... -
"Build Your Plasmid": The Game - Play to Teach
TypeBlog Post...the selected card on the board game. They had 35 minutes to develop a strategy and build a transfer plasmid... manipulate human stem cells. Then they had 10 minutes to expose their strategy, justifying each single...lentivirus-based ex-vivo gene therapy’ strategies to undergraduates, however you may use it and modify it for non-commercial... -
Celebrate National Book Month with Addgene
TypeBlog Post... to read a little more this October. Science favorites Musicophilia: Tales of Music and the Brain by ...Communications and Marketing Coordinator Non-science favorites The Mistborn series by Brandon Sanderson "The... reader of historical fiction (I can personally attest to this!). Following history from the Ice Age to... -
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... -
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... -
Trading Spaces - Visiting Scientist Edition
TypeBlog Post...there is someone you personally know or your lab collaborates with that can fulfill your research needs, that... that is probably the easiest path. Some institutes have structured visiting positions within defined ... any protocols the day before, etc.), take good notes, and ask questions if you don’t understand something... -
Predicting Adverse Reactions to Monoclonal Antibody Drugs
TypeBlog Post...specific subsets like CD4+ or CD8+ T-cells or monocytes. PBMCs can be further differentiated into dentritic...decisions about in vivo application and clinical testing. This would pave the way for improved patient outcomes...Burns-Naas, L. A. (2015). Chapter 27—Immunotoxicology Testing of Monoclonal Antibodies in Macaca fascicularis... -
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... -
Components of CRISPR/Cas9
TypeBlog Post...CRISPR/Cas system, Cas9 is guided to its target sites with the aid of two RNAs: the crRNA which defines... as a scaffold linking the crRNA to Cas9 and facilitates processing of mature crRNAs from pre-crRNAs derived...modify the desired genomic locus. Some historical notes CRISPR arrays in bacterial genomes consist of repeated... -
Management for Scientists: Delegating is Key
TypeBlog Post... meeting on the calendar even if it is just 15 minutes a week. Clearly identify constraints and boundaries...only way and may not even be the best way. This facilitates success and trust. Micromanaging is bad for everyone...Update frequently with progress reports, meeting minutes and plan changes. Written documentation helps make... -
Plasmids 101: Mammalian Vectors
TypeBlog Post...plasmid, and can be assayed conveniently. A direct test for your gene of interest may be another method ...always mission critical to make sure the plasmid replicates in the cell, as many of these experiments are... 100-400 ug/mL *Not comprehensive. ** In eukaryotes. ***The concentration used for selection is... -
Plasmids 101: Screening Strategies Used in Plasmid Cloning
TypeBlog Post...below). Plating the transformation on ampicillin plates containing X-gal allows you to identify cells that...that when a portion of the gene is deleted, it creates a non-functional 𝛽-galactosidase. Complementing...this deleted portion, for example on a plasmid, creates a functional 𝛽-galactosidase. Blue-white screens... -
Fluorescent CRISPR Reporters: SRIRACCHA and GEmCherry2
TypeBlog Post...can rapidly and efficiently evaluate Cas9 cutting sites and activity (Knudsen et al., 2018). To create ...lab compared editing at three different genomic sites in the AAVS1 locus using GEmCherry2. In this experiment...again that sgRNA structure and genomic recognition sites play a large role in CRISPR-Cas9 efficiency. They... -
Q&A with Karen Katz and Carl Paratore, the Newest Members of the Addgene Board of Directors
TypeBlog Post...information, making it available to everyone, that creates more breakthrough and innovation. With any kind...Suffolk University Law School. Suffolk University graduates on average 20 PhD’s a year and we have a very ...Committee at the Greater Boston Food Bank and participates locally in Read To A Child's "Lunchtime Reading...