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Showing: 281 - 300 of 1050 results
  1. Technical Design of a Western Blot

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    Blog Post
    ...like rotting eggs but has a longer shelf life when stored properly. Because BME is not as strong as DTT, ..., while expensive, reduce protocol time, can be stored at 4 °C, and are very consistent gel-to-gel.  Ladder...multiple times. It doesn’t degrade during long-term storage and has both high binding capacity and high protein...inexpensive and easily made in the lab. They can be stored at your bench during the procedure and at 4 °C ...Fluorescent proteins are stable, so blots can be stored for weeks to months without loss of signal. While...
  2. 15 Hot Plasmids from 2017

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    Blog Post
    ...diminished KLF4 expression levels; this altered stoichiometry impacted reprogramming and global gene expression...redshifted-emission spectrum compared to that of CyOFP1, a large stokes shift, long fluorescence lifetime, and a stable...affecting many of the RFPs developed from natural ancestors), and screened through libraries of new RFP variants... an FP’s properties. pBAD-LSSmCherry1 is a long Stokes shift variant, which could be compatible with two-photon...entire protein-coding regions (excluding start and stop codons) with kanamycin cassettes and were carefully...
  3. Neuronal labeling with Spaghetti Monster

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    Blog Post
    ...protein of interest (POI), that facilitate immunohistochemistry (IHC) experiments with tag-specific antibodies...technologies such as array tomography, super-resolution STORM imaging, and electron microscopy. Sample preparation...standard proteins tags like GFP. Specifically for STORM, the high intensity signal provided by smFPs can...Rizzo, Mark A., Michael W. Davidson, and David W. Piston. "Fluorescent protein tracking and detection: fluorescent...
  4. How to Write a Scientific Review Article

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    Blog Post
    ...Thompson, and Thomas D. Gilmore. "Histone acetyltransferases and histone deacetylases in B-and T-cell development...scientist’s tool kit. I wrote a review article on histone modifers in B and T cells with my adviser when ... sentences, make it flow, and start telling the story. Like any editing process, you will need time away...
  5. Save Time with Transient Plant Leaf Transformations

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    Blog Post
    ...below. The GUS gene (β-glucuronidase) with histochemical GUS-staining is a very useful visual reporter...to inject an Agrobacterium culture through the stomata into the abaxial site (lower surface) of the leaf...MoClo system you can easily and quickly create customized vectors. For more information on MoClo for plants...is a PhD candidate at Northeastern University in Boston, MA. He obtained his BSc and MSc in Plant Biotechnology...
  6. Designing Your Chalk Talk for the Academic Job Interview

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    Blog Post
    ... payoff for each aim. Learn to communicate your story with only the most salient details. Make the most...your research problem. Creating a coherent unified story and model can help make your ideas easier to understand...Practice presenting your chalk talk Perfect your story and delivery. Design simple figures and diagrams...track. Furthermore, practice getting back to your story. Committee questions can derail your talk. You need...
  7. New CRISPR Tools: Cas7-11 and PASTE

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    Blog Post
    ...single protein, shedding the complexity of its ancestors. They classified the system as Class I, Type III-E...editing, such as mouse embryonic stem cells and glioblastoma cells. PASTE Development and discovery The ...editing treatment would have to be individually customized to the patient's specific mutations. With a drag...Kaiyi Jiang, Nathaniel Roberts, Liyang Zhang, Christopher A. Vakulskas, John A. Walker II, Anastasia P....
  8. Binning Singletons: Tackling Conference Networking When You Don’t Know Anyone

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    Blog Post
    ... done at my first six ASM meetings. I told this story over a great dinner at Pittypat’s Porch with old... career scientists, students, and those from historically underrepresented groups. Through such mentoring...Dave Baltrus, Geof Hannigan, Irene Newton, Juliet Johnston, Kat Milligan-Myhre, Kim Dill-McFarland, Lisa ...never went away. While he has frequent bouts with Impostor Syndrome, Joe has found his people through meetings...
  9. AAV Titers: Where Do They Come From And What Do They Mean?

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    Blog Post
    ...infectious titer. The infectious titer of a viral vector stock can vary based on transduction target and can also...particles were full, compared to 50% of wild-type AAV2 stocks (Grimm et al., 1999). The percentage of genome-...100nm. Image courtesy of David Bell and Svetla Stoilova-McPhie, Center for Nanoscale Systems, Harvard ...Quantitative PCR (qPCR) Digital droplet PCR (ddPCR) Historically, a quantitative DNA hybridization method (DNA...
  10. Tips for Using FRET in Your Experiments

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    Blog Post
    ...interactions in living cells using a microscope. Historically, molecular interactions were detected by indirect...brightness of a fluorophore pair, donor:acceptor stoichiometry, and cross-talk between the two fluorophore ...has five-fold less brightness than YFP. The stoichiometry of donor:acceptor is difficult to address especially... Transfer    Interesting Articles About FRET: Piston DW, Kremers GJ. Fluorescent protein FRET: the good...
  11. Four Ways to Package Transgenes That Exceed the Size Limit of Adeno-associated Virus

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    Blog Post
    ...key to fitting large genes into AAV First, some history. In 2008, the Auricchio lab decided to solve the..., the partial genomes complement each other to restore the full-expression cassette. AAV’s natural ability...truncated protein. This can be avoided by excluding a stop codon from donor A in any of the reading frames ...the gRNA target site so that transcripts undergo nonstop decay (Frischmeyer et al., 2002). How to pick ...
  12. Treating Muscular Dystrophy with CRISPR Gene Editing

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    Blog Post
    ...multiple exons that, when deleted through NHEJ, will restore the dystrophin reading frame. gRNAs bind in intronic... blot, at <10% of the wild-type level. Muscle histology is improved, with vastly reduced inflammation ...this result, Nelson et al. find that dystrophin restoration is maintained for at least six months. Future..., Olson EN. Postnatal genome editing partially restores dystrophin expression in a mouse model of muscular...
  13. Evolution of Brainbow: Using Cre-lox for Multicolor Labeling of Neurons

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    Blog Post
    ... translation-blocking STOP cassette immediately following the promoter. The STOP cassette includes a mutant...OFP (orange), is expressed when Cre is absent; stochastic Cre excision results in one of three recombinations...anemone mKate2.) They then successfully generated custom antibodies to each of these proteins and confirmed...
  14. Working 9-5: an Addgene Co-op

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    Blog Post
    ...was immediately interested in applying. This had stood out to me because it gave me a full description ...clear that Addgene wanted to ensure applicants understood what the expectations were for the intended position...make sure people feel connected.    As I became accustomed to the routine, I realized that the “9-5” was...
  15. A Control for All Seasons

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    Blog Post
    ...Stephen M., et al. “Controls for Immunohistochemistry.” Journal of Histochemistry & Cytochemistry, vol. ...Controls for Immunocytochemistry.” Journal of Histochemistry & Cytochemistry, vol. 59, no. 1, SAGE Publications...and Practicalities of Immunoblotting and Immunohistochemistry: A Guide for Submission to the British Journal...
  16. Building Global Connections with the International Mentorship Program USA-EUROPE

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    Blog Post
    ...MasScience, ECUSA, IMFAHE and Bostonadas. Follow her on twitter @Bostonadas.         Rocío López-Diego MD...relationship for the mentee, where (s)he feels truly understood and supported, and can more fully identify with...University, Massachusetts Institute of Technology, Boston University, Johns Hopkins University, the Salk ...
  17. Hot Plasmids and Viral Preps - September 2021

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    Blog Post
    ...sequence of a mCherry fluorescent protein followed by a stop codon and the coding sequence for a green fluorescent...success of the change in expression of GFP, for the stop codon should have changed from “TGA” to “TGG.”  ...acceptor and donor sites, and introducing premature stop codons.    New from the viral service By Jason...
  18. Bright Monomeric Fluorescent Proteins: mNeonGreen, mTFP1, and mWasabi

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    Blog Post
    ...protein (LanYFP) from the marine invertebrate Branchiostoma lanceolatum in 2012. Using structural modeling...applications from traditional imaging to FRET and stochastic single-molecule super resolution imaging. mNeonGreen...monomeric green fluorescent protein derived from Branchiostoma lanceolatum." Nature methods 10.5 (2013): 407...
  19. The Crispr Babies Saga Shows the Need for Action, Not More Delays

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    Blog Post
    ...to argue otherwise). To be sure, throughout the history of medical research, there have always been people...CRISPR/Cas9 research” but whether or not we will stop shuffling our feet on necessary actions to review...the future of genome editing technology. We must stop punting decisions on scientific, ethical, regulatory...
  20. Mycoplasma Contamination: Where Does It Come From and How to Prevent It

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    Blog Post
    ...Cell lines and reagents Examine your cell line stock for mycoplasma contamination before use. Make sure...using expired products or reagents that have been stored for a longer time. Use fresh media as much as possible...for prevention. Prepare a small quantity of media stock that would be used for the experiment, preventing...line to another. Multiple cell lines should not be stored in a single incubator since it increases the risk...
Showing: 281 - 300 of 1050 results