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Showing: 181 - 200 of 865 results
  1. Transferable Skills Guide: Conflict Resolution

    Type
    Blog Post
    Published
    Jan. 4, 2022, 2:15 p.m.
    ...conflict is not always what was communicated but how it was communicated. The next step is to come up with...of lapsed communication. Making some assumptions about how something should be communicated is necessary...set of transferable skills, coupled with your technical skills, can open new career opportunities for ...conflict can also be good. In science, a reviewer’s critical comments on your manuscript is a form of (hopefully...scientist. And some amount of conflict is actually critical in the business world. Companies and organizations...traced back to one of a few trouble spots:  Communication (or lack thereof): Information sharing gets ...organization gets, and creating new avenues of communication can create as many problems as it can solve....
  2. March for Science

    Type
    Blog Post
    Published
    April 21, 2017, 2:30 p.m.
    ...Democrats more often than Republicans, the March is not about Democrats or Republicans (16). This is a Pro-...general (1). Science and politics? Science is an apolitical process for seeking knowledge. The process begins... again. No part of this process is inherently political so why is there a march in Washington, D.C., the...States government? Politics and science are intrinsically linked: governments exist in reality and science...as evidence of climate change, the safety of genetically modified organisms (GMOs), the absence of a link... grant in the last five years as polled in the American Association for the Advancement of Science) believe... it.  3) Linking scientists to one particular political party while alienating the other While scientists...
  3. Multiple Plasmids at a Low Price: Kits from Addgene

    Type
    Blog Post
    Published
    Sept. 14, 2016, 2:30 p.m.
    ...well as protease sites to facilitate protein purification. We hope this kit will allow you to quickly ...for a variety of synthetic biology or protein purification studies in E. coli. 800 and 1900 Series If you...polycistronic E. coli expression constructs. Some applications of plasmids from this kit include the production...: Čelešnik, Helena, et al. "Biosafety of biotechnologically important microalgae: intrinsic suicide switch... Rogers, Jameson K., and George M. Church. "Genetically encoded sensors enable real-time observation ...and Charles E. Melançon III. "Detection and Quantification of Ribosome Inhibition by Aminoglycoside Antibiotics... Ribosome-Controlled Fluorescent Reporter."ACS chemical biology 11.1 (2015): 31-37. pCri system The Gomis-Ruth...
  4. Mapping the 4D nucleome with CRISPR/Cas9

    Type
    Blog Post
    Published
    Aug. 11, 2015, 2:30 p.m.
    ... its nuclease activity, catalytically dead Cas9 (dCas9) has many applications, the most well-known being...characterizing the 4D nucleome. Future modifications and applications Ma et al. developed this technique ...plasmids from this publication at Addgene. A protein-tagging system for signal amplification in gene expression...technique published every week! One of the newest applications is a colorful system that uses fluorescently... The technique successfully resolved loci with physical map distances of 75 and 2 Mbp, with the calculated...distances correlating with the previously established physical map. In comparing pairs of targets ~2 Mbp apart... et al. anticipate that the technique will be applicable to studies of cell cycle progression, epigenetics...
  5. Antibodies 101: Choosing the Right Isotype

    Type
    Blog Post
    Published
    April 6, 2023, 3 p.m.
    ...your experiment (all well validated for your application, of course!) When the stars are aligned and the...factors that affect isotype choice. Target and application should be considered The first question you may... a strong signal and to work in a variety of applications. The desired specificity of your secondary antibody...affect my experiment?” Well, it depends on the application and target. If you are running a basic western...target is expressed at very low levels or your application requires a high degree of affinity, then species...considered when choosing an antibody. In some applications probing species-on-species, i.e. using a mouse...choosing antibodies   Complexity is a key factor Biological systems tend to be complex with a variety of ...
  6. Early Career Researcher Toolbox: Finding Relevant Papers

    Type
    Blog Post
    Published
    Jan. 9, 2020, 1:45 p.m.
    ...show all publications by an author, total number of citations, and the number of publications that heavily... staying on top of the ever expanding body of biomedical literature! PubMed PubMed is the classic search...read the abstract or full text of the paper, publication date, a relevance score, and type of article....that term. You can also set up alerts for new publications from a particular author. Saving papers Papers...interest.  Best uses Accessing the vast body of biomedical research papers. Twitter Scientists often use... work, so it’s also a good place to look for publications. Bonus: papers have to be summarized in 280 ...organizations, and universities often tweet about publications in the fields of research they support. Monitoring...
  7. Tips for Titering Your Lentiviral Preps

    Type
    Blog Post
    Published
    March 15, 2016, 2:30 p.m.
    ...et. al.). Physical versus functional titer Viral titers usually come in two flavors, physical or functional...the target cell’s genome. Physical titer The two most common assays for physical titer are direct p24 measurements...functional. Physical titers measure the amount of viral particles in a sample and are usually based on the...produced can actually infect cells. These assays typically involve infecting a target cell line with your...particle. Consequently, titers based off of p24 quantification tend to be overestimates since they can include...quantify the amount of PCR product that comes from amplification of the original plasmid which can over-inflate...methods tend to be more accurate than measuring physical titer, there is a risk that they may underestimate...
  8. CUT&RUN: An Improved Method for Studying Protein-DNA Interactions

    Type
    Blog Post
    Published
    Feb. 13, 2018, 2:51 p.m.
    ... offers a significant improvement and simplification of the original technique, specifically in terms ...interaction with limited biological materials. Problems with Chip-seq ChIP-seq typically requires a large amount...material for a ChIP-seq experiment can be a major technical hurdle.   ChIP-seq requires  cross-linking during...interactions for subsequent sheering of DNA by sonification. Though it helps capture weaker or more transient...Washington. CUT&RUN doesn’t require fixation and significantly decreases background noise, reducing the read...development using the Drosophila wing as a model. A typical ChIP-Seq experiment requires around 1,000 wings...dissections. With CUT&RUN, we have had success with significantly fewer wings, such that enough tissue for an ...
  9. Addgene-Seeding Labs Plasmid Grant: Accelerating Science Globally - 5 Scientists, 4 Countries & 3 Continents!

    Type
    Blog Post
    Published
    July 18, 2017, 12:41 p.m.
    ...improving expression of nutritionally and therapeutically significant proteins. In this project she aims to...pests. By developing biological agents such as insecticidal proteins, the use of chemical pesticides may be...scientists work on projects spanning from the identification of plant compounds and insecticidal proteins...get tested for their potential agricultural and medical use. Find More Optogenetic Tools Like pDawn  Making...bacteria. Learn more about the different CRISPR applications in plants.     Transgenic yeast as source of... yeast capable of desaturating fatty acids. Identification of Insecticidal Proteins Linh Bao Ton (M. Sc...one of the reaction’s metabolites. One useful genetically encoded H2O2 probe is pQE-30-HyPer3 (2) which...
  10. FastCloning: A Newer, Simpler Cloning Technique

    Type
    Blog Post
    Published
    Nov. 1, 2016, 2:30 p.m.
    ...techniques in the biological sciences and constitute foundational elements of biomedical research. Traditional...Restriction Enzymes + - PCR Amplification + + Digestion + + Gel Purification + - Ligation + - Transformation...Molecular cloning is the isolation, insertion and amplification of a recombinant DNA without sequence alteration... multi-step process consisting of digestion, purification, ligation, and transformation. While restriction...sequences for base pair overhangs, insert and vector purification, and, most importantly, excessive time requirements...is ligation independent, it does not require purification of insert or vector products, nor does it require...Digestion products are then transformed directly into chemically competent E. coli and transformants selected ...
  11. Running for Rare Disease, Running for FOP, Running for AJ

    Type
    Blog Post
    Published
    Sept. 15, 2016, 2:30 p.m.
    ...Attempts to remove excess bone surgically cause the body to “heal” the surgical site with even more bone that...therapeutic biologic design (ADCs) along with pre-clinical analytical development. His areas of expertise include...protein engineer currently working at Sanofi Pharmaceuticals in Cambridge, MA. When I joined Sanofi/Genzyme...to get in shape. After three kids, I had put on typical middle age weight and “exercise” consisted of taking...named AJ Gonzales who suffers from Fibrodysplasia ossificans progressiva (AKA FOP). This terrible disease ... But, there is HOPE. FOP is a genetic disease typically caused by a single R206H point mutation on the...growth in mouse models. As this biologic moves into clinical trials, there is new HOPE for AJ. But, as we in...
  12. Multifunctional Neural Fibers: Modulation from Gut to Brain

    Type
    Blog Post
    Published
    Aug. 31, 2023, 1 p.m.
    ...the gut side of things, the authors optigenetically and chemically excited a class of enteroendocrine ...behavior, or the animals being monitored were physically hooked up to invasive, cumbersome systems during...and stimulate or manipulate responses through neurological means like electric stimulation, drug administration...programmable microcontroller, NeuroStack coordinates optical stimulation of its associated fibers across multiple...fibers. As important as its capabilities are the practical considerations of actually using it - the device...to mCherry to the brain tissue. They performed optical stimulation using NeuroStack and the fibers as ...as previously described, then measured electrophysiological potential afterwards. This measurement trended...
  13. What the HEK?

    Type
    Blog Post
    Published
    April 18, 2023, 1:15 p.m.
    ... This allows them to replicate viral plasmids with the SV40 origin of replication. To generate a virus...proteins at high levels. In a case where clinical applications of recombinant proteins are necessary, HEKs...serum-free growth, which significantly reduces the cost of production. Research applications There are two areas...isolating the cell line all the way to modern applications. What the HEK is it?   HEK cells were first...chromosome is present in this line, making it genetically female. HEKs are generally cultured as an adherent...cell biology, there are thankfully many other applications that they are useful for! What the HEK is it... cellular research tools have been optimized specifically for and in HEKs. These systems built around ...
  14. Science Careers: Unruly Interests Feed Many Paths

    Type
    Blog Post
    Published
    Sept. 26, 2017, 12:12 p.m.
    ...Scientific Publication, where diverse approaches to peer review were discussed. Science communication opportunities...developmentally programmed regulation of DNA replication and gene transcription during vertebrate embryogenesis...with people, nurturing networks, as much as with technical knowledge. I leverage a breadth of knowledge to...I am constantly teaching – often explaining a technical piece of research to others outside that specialty...and jobs. At Science, which is published by the American Association for the Advancement of Science (AAAS...punctuation can be wildly funny as well as financially critical. Those who work on the publishing side of science...There is a rich and active community of science communication professionals who are thinking about, for example...
  15. Don’t FRET: Bimolecular Fluorescence Complementation Makes Visualizing Protein-Protein Interactions Easy

    Type
    Blog Post
    Published
    Aug. 27, 2020, 1:15 p.m.
    ... also be perturbed by supraphysiological expression levels. BiFC quantification This is where BiFC outshines...Miller-Rhodes from the University of Rochester Medical Center.  You’ve probably heard of Forster Resonance...PIPs, resulting in a fluorescent readout.   Applications for bimolecular fluorescence complementation...2018), the generation of such resources in less genetically tractable organisms lags behind. BiFC can also...resulting from the assayed PPI. This high-throughput application is much more straightforward to carry out because...protein construction, cellular expression, and quantification (Kerppola, 2006, 2013). These are described...to the N- and C-terminal end of each PIP and empirically test which combination provides the best fluorescent...
  16. MXS Chaining

    Type
    Blog Post
    Published
    Feb. 7, 2017, 3:30 p.m.
    ...BglBricks: A flexible standard for biological part assembly. Journal of biological engineering. 2010;4(1):1. Pubmed... diverse functions, and thus, is used in many biological fields. In synthetic biology for example, high-throughput...elements to generate non-natural tools such as novel biological circuits or sensors. Given the expanding palette...develop diverse fluorescent reporters is a useful application of high-throughput cloning. MXS Chaining is one...plasmids for fluorescence imaging or flow cytometry applications in mammalian cells. The modules used in this...transgene expression, or a variety of other clever applications. In one example, modular constructs generated...methods are suited for particular downstream applications. The tradeoffs between various cloning methods...
  17. Interview: Hodaka Fujii on enChIP, New CRISPR Tools, and More

    Type
    Blog Post
    Published
    Dec. 2, 2014, 7:23 p.m.
    ...biology. Therefore, my lab is dedicated to development of new biological technologies. The locus-specific...been working on development of technologies for biochemical analysis of genome functions such as transcription...technology, which uses locus-tagging and affinity purification, in 2009. However, iChIP requires insertion ... genomic regions can be easily isolated for identification of associated proteins, RNAs, and other genomic...describe this technology and some of its potential applications? Fujii: We generated a series of retroviral ...researchers to use enChIP in a wide variety of biological systems. We are currently developing several ...interference-PCR (ORNi-PCR) method to suppress PCR amplification of specific DNA sequences. Thus, we've made ...
  18. Synthetic Photobiology: Optogenetics for E. coli

    Type
    Blog Post
    Published
    Sept. 8, 2015, 2:30 p.m.
    ...to directly activate and inactivate biological processes. Chemical effectors are suboptimal for a number...neuroscience. In fact, precise light-based control of biological processes is highly useful in other fields, including...consistent, and controllable pulses of light. Complicated patterns of light intensity and wavelength can... also be used to engineer new pathways with sophisticated gene expression controls. Most cell types do...system to develop a bacterial camera that prints a chemical image, as well as a genetic method for the computational...light; these two systems can be coexpressed for sophisticated control of gene expression. An E. coli light-sensitive...; only two plasmids are required per system. Applications of these systems The large dynamic range of ...
  19. Fluorescent Proteins 101: Luciferase

    Type
    Blog Post
    Published
    June 24, 2014, 3:59 p.m.
    ...Luciola italica)Southern Russian firefly(Luciola mingrelica) 562 64 Luciferin ATP No Jamaican click beetle...Luciferases are a class of enzymes capable of catalyzing chemical reactions in living organisms resulting in the...gene, such as luciferase, usually serves as an indicator of transcription within cells, where detection... is measured resulting from the catalysis of a chemical reaction requiring luciferin, ATP and oxygen as...Fluorescent Protein (GFP) because of the nature of the chemical reaction compared to using a high-intensity laser...Luminescence Fluorescence Source of Emitted Photons Chemical reaction High-energy photons Kinetics of Photon...Background Lower Higher Post-translational Modification Not Required Required Photobleaching/Phototoxicity...
  20. Antibodies 101: Immunoprecipitation

    Type
    Blog Post
    Published
    Dec. 7, 2021, 2:15 p.m.
    ...antibody interaction and/or the downstream application. Typically, if the target protein will be detected...a protein’s stability or post-translational modifications, or study how a target protein interacts with...Immunoprecipitation Overview An immunoprecipitation reaction is typically carried out in one of two ways. Both methods utilize.... 2) An antibody immobilized on a bead binds specifically to the blue triangle protein but not the other...Protein A and Protein G are not suitable for all applications, such as protein isolation from serum. In this... or magnetic beads with commercially available chemical agents. Directly conjugating the primary antibody...interactions To prepare for an IP, samples are typically lysed in a non-denaturing buffer containing non-ionic...
Showing: 181 - 200 of 865 results