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Showing: 601 - 620 of 929 results
  1. Antibodies 101: Monoclonal Antibodies

    Type
    Blog Post
    ...specific region of your protein of interest. For example, if you are studying a protein that may bind a ...recognize the protein even though it is present in your sample. Additionally, there is a lower likelihood that...higher than that of polyclonal antibodies. For example, it takes longer to develop a hybridoma than it...
  2. GPCRs: How Do They Work and How Do We Study Them?

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    Blog Post
    ...binding of a new inactive heterotrimeric G protein complex and subsequently another round of signaling.    ...finally, to a response? Let’s take a look at a few examples with plasmids deposited at Addgene.  PRESTO-TANGO...gamma subunits of the heterotrimeric G protein complex that can be used to detect G protein activation...
  3. 7 Tips to Secure a STEAM Internship This Summer

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    Blog Post
    ...students focus on the application process, and simplify access to academic resources, we created STEAMid...worried about any eligibility provision, don’t guess. Simply reach out to the program coordinator with your ...Chemical Biology Program at Harvard. Roo wants to simplify access to academic resources among economically...
  4. Quick Guide to Working with Drosophila Part 3: Genome Engineering in Flies

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    Blog Post
    ...chromosome your transgene has integrated. This can be accomplished with a few matings to balancer chromosome lines...throughout the lifespan of the fly to determine the implications of your genetic manipulations. You can produce... (2). Metabolic assays such as Seahorse can be employed to look at oxygen consumption. Drosophila are ...
  5. A Practical Approach to Choosing the B(right)est Fluorescent Protein

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    Blog Post
    ...that are related to the imaging strategy and the sample. Practical brightness A protein with a high intrinsic... future application. In figure 2 we provide an example of the comparison of the practical brightness of...to this data. The practical brightness assay (employing co-expressing fluorescent proteins or using endogenous...
  6. Addgene’s Viral Service - Why Virus? Why Now?

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    Blog Post
    ...2004. We’ve already distributed over 500 viral samples to scientists all over the world. Now that the ...donations. That seed money was used to build a completely self-supporting service so that Addgene is not..., tracked production and distribution of viral samples. The Office Team made sure we could ship internationally...
  7. AAV Q&A with Tim Miles

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    Blog Post
    ...reliable and reproducible. However, we do not use amplicons in ITR as we have found this to strongly bias ...somewhat more reliable quantitation. Differences in sample treatment across methods can affect reported titer...that users keep titering method consistent across samples within a project. Targeting Your AAV Q4: Are there...
  8. 15 Hot Plasmids from 2017

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    Blog Post
    ...comprised of 2 plasmids, pPSU1 and pPSU2, that can be amplified affordably in bacteria. They are compatible with...was also independent of another TTAGGG binding complex, shelterin. Swapping the DNA binding domain of ...that can be combined with your gRNA and repair templates of choice though modular cloning steps. The Voytas...that are sure to be enabled by this toolkit. For examples of the toolkit in action, see Cermak T, et al....
  9. Plasmids 101: The protein expression toolbox

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    Blog Post
    ... the LoxP sites, which is more difficult than a simple knock out. Looking for some permanent knock out...two varieties: tet-on and tet-off. As the names imply, tet-off turns off constitutively expressed proteins... tunable control These systems can be easily implemented for exogenously introduced proteins, as many ...
  10. RaPID Detection of RNA-protein Interactions

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    Blog Post
    ...preserves RNA structure and naturally occurring complexes present in the cell, it can also introduce non-physiological...non-physiological RNA-protein interactions due to sample processing. Require prior knowledge that the protein...levels seen in HHCS patients. These are just three examples of how RaPID can be used to study RNA-protein ...
  11. Antibodies 101: Polyclonal Antibodies

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    Blog Post
    ...several different species are present. One common example is using pre-adsorbed secondary antibodies (which...antibodies are polyclonal, as their function is to amplify the signal from a primary antibody; the ability...target protein thereby greatly increasing signal amplification.  When to stay away from polyclonal antibodies...
  12. Rosella: A Fluorescent pH-Biosensor for Studying Autophagy

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    Blog Post
    ... practice to compare degradation rates between samples treated with or without an autophagy inhibitor....accumulates in the vacuole. See Figure 2 for an example of what fluorescence looks like for cytoplasmic...Fluorescent Protein Oligomerization Seeing Red: Simple GFP Photoconversion Light Sheet Fluorescence Microscopy...
  13. Plasmid Tools for Microbiome Studies

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    Blog Post
    ...intensive to process a large number of microbiome samples. To enable large-scale, longitudinal studies of...and can approximate mRNA concentration within a sample. Using this system, the Collins lab was able to...lab validated their platform on clinical stool samples by comparison to qPCR and demonstrated that it ...
  14. Summer SciComm Series: Cognitive Load

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    Blog Post
    ...necessary” detail after “necessary” detail and end up completely overwhelming your audience - like the professor...intuitive that actually wasn't. Maybe I needed to employ a visual aid instead of describing something verbally...group was just really tired and needed a slower, simpler presentation than I had planned; other times students...
  15. New Tool for Lineage Tracing: The ClonTracer Library

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    Blog Post
    ...the take rate of mouse xenografts after cell implantation. Their goal was to figure out how to optimize...barcodes in the population (all barcodes can be amplified using the same sets of forward and reverse primers...dynamics in response to cancer therapy using high-complexity barcoding." Nature medicine 21.5 (2015): 440-...
  16. CRISPR in the Clinic

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    Blog Post
    ...animal models of disease and cultured cells. For example, in 2013, Jinsong Li and colleagues chose to explore...trials is somewhat similar (Hussein et al). It employs Cas9 to cut at two sites within the viral genome...current delivery technologies are suited for. For example, lipid nanoparticle delivery tends to be trafficked...
  17. Viral Vectors 101: Chemogenetics

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    Blog Post
    ...In order to understand the complex wiring of the brain and the underpinnings of neurological disease,...while resulting in minimal off target effects. For example, if your receptors are expressed in the brain, ...receptor acts through. The DREADD hM3D(Gq), for example, lowers the threshold for neuronal signaling and...
  18. Mouse Modeling, Part 1: Genetically Engineered Mice

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    Blog Post
    ...treatments, but are not useful for genetic engineering. Examples of outbred strains include Swiss Webster and Harlan... are injected into a blastocyst which is then implanted into a female animal for gestation. Nucleases ...are microinjected into a zygote, which is then implanted into a female mouse for gestation. All three can...
Showing: 601 - 620 of 929 results