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  1. Choosing Your Fluorescent Proteins for Multi-Color Imaging

    Type
    Blog Post
    ...available. With new fluorescent proteins being published every month, deciding on the best protein for ... to choose fluorescent proteins that can be distinguished from one another and that can be imaged with...common use (particularly not the most recently published ones), they can be a good starting point. In many...abundant proteins or marking compartments. I hope this sheds some light on multicolor imaging with fluorescent...
  2. Top Requested Lentivirus and AAV of 2016

    Type
    Blog Post
    ...Central PMCID: PMC3785459. 2. Krashes MJ, Koda S, Ye C, Rogan SC, Adams AC, Cusher DS, Maratos-Flier E, Roth...induce neuronal silencing in vitro and in vivo (Krashes et al., 2011). The various serotypes available ...by the small molecule clozapine N-oxide (CNO) (Krashes et al., 2011). Viruses expressing pAAV-hSyn-DIO-hM4D...
  3. Summer SciComm: Preprints

    Type
    Blog Post
    ...scientific communication needs. Going to present some unpublished results at a conference? Post your working manuscript...scientific community. Most preprints are eventually published in journals after formal peer review, with the... as the source or were deposited when the now-published article was a preprint. Depositing plasmids that...bioRxiv. https://doi.org/10.1101/833400  Stern BM, O’Shea EK (2019) A proposal for the future of scientific...
  4. Antibodies 101: Stripping and Reprobing Western Blots

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    Blog Post
    ...affinity: stronger binding antibodies will require harsher stripping to remove, so start with the weaker binding... membrane will remove some of your sample —and harsher stripping means more sample loss. If you are still...a recipe like the ones shared by Bio-Techne, ThermoFisher, or Millipore Sigma. We’ll share the basic composition...solutions below. Alternatively, companies including ThermoFisher, Millipore Sigma, and Azure Biosystems offer...
  5. Overcoming the Challenges of Lentiviral Production

    Type
    Blog Post
    ... easily applied to multiple dishes, remember that handling multiple dishes will take longer and may increase...scaling up by either increasing the number of 10 cm2 dishes or increasing the vessel size. Opting for a larger... opt for simply increasing the number of 10 cm2 dishes. While this option is attractive because the same...
  6. Negative Can Be Positive: Open AAV Data with Addgene

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    Blog Post
    ...performance in our system and yet none of that data was published.    Fig. 1: Testing of three different ... for your system or to successfully replicate published works. Of particular importance to these efforts...build on others’ results is available not through published manuscripts, but through word of mouth or old ...asked your team members or colleagues: How much unpublished AAV data do you have sitting in computers and...
  7. CRISPR Between the Genes: How to Experiment with Enhancers and Epigenomics

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    Blog Post
    ...This post was originally published on the Quilt Genomics Blog and is republished here with permission. Quilt...enhancers, check out the Appendix. Conclusion: Shedding light on dark matter Precise knowledge of which...identified 23-mer gRNA. Off-target determination was established with Bowtie2 using the parameters first described...
  8. Lab Safety for Biosafety Levels One and Two

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    Protocol
    ... Biohazard waste container Fire blanket Fire extinguisher Guidelines BSL-1 Guidelines Before You Work ...eyewash station, safety shower, fire blanket, and extinguisher are also required to be present in the room....station if unwanted or biohazardous materials are splashed onto your face and/or get into your eyes. Wash...chemicals, first review their material safety data sheets (MSDS). While You Work Dispose of sharps in a designated...shaking or mixing, which may produce aerosols or splashes. These procedures should be done underneath a ...
  9. An Inside Look into Addgene's Dev Team

    Type
    Blog Post
    ... to only do the dishes once a month, resulting in a dangerous mountain of dirty dishes or you could choose...choose to do the dishes after every meal and be reassured that your dirty dishes won’t tumble out of the...
  10. Antibodies 101: Immunoprecipitation

    Type
    Blog Post
    ...centrifugation or a magnet. 4) Unbound proteins are washed away. 5) The target protein is eluted.     ...and as in the first method, unbound proteins are washed away and the target protein eluted.  Immobilization...providing a solid support while unbound proteins are washed away.  While both Protein A and Protein G have ...because they do not require centrifugation between washes which can cause loss of beads, break weak protein...
  11. Important Considerations in Optogenetics Behavioral Experiments

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    Blog Post
    ...chamber is divided into two halves that are distinguished visually through different patterns and the ...recently studied in detail thanks to optogenetics. In Goshen et al, inhibition of the CA1 region using HR was...your own neuroscience sub-discipline that has published using the technique and ask if they would be willing... opsins." Nature methods 9.2 (2012): 159-172.5. Goshen I, et al. Dynamics of retrieval strategies for ...
  12. 15 Hot Plasmids from 2017

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    Blog Post
    ...factors OCT3/4, SOX2, KLF4, and c-MYC is the established model for reprogramming somatic cells. A common...Polycistronic cassettes that contained KLF4s had overall diminished KLF4 expression levels; this altered stoichiometry...as inhibitory GABA-ergic interneurons, Gordon Fishell’s lab has developed a new AAV approach using regulatory...to Choosing the B(right)est Fluorescent Protein. Shen Y, et al. PLoS ONE. 2017. PubMed PMID: 28241009 ...independent of another TTAGGG binding complex, shelterin. Swapping the DNA binding domain of another telomeric...
  13. Plasmids 101: Biotinylation

    Type
    Blog Post
    ... Additional resources ThermoFisher Scientific: Biotinylation ThermoFisher Scientific: Biotinylation...more information on ABC and IHC check out Thermo Fisher Scientific's guide. There are an array of other...which biotinylation reagent to use check out Thermo Fisher Scientific's Biotinylation Reagent Selection Tool...
  14. New Optogenetic Tools for Cytoskeleton and Membrane Control

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    Blog Post
    ...cytoskeleton and cell membrane dynamics. First, a quick refresher.  The tools below use the following optogenetic...reversible. Late last year, the Akhmanova Lab published a new optogenetic tool for localized microtubule...the membrane itself? The Baskin Lab previously published OptoPLD, an optogenetically controlled phospholipase...available for controlling cell dynamics. Need a refresher on VVDfast, iLID, LOV, CRY2-CIB, and other optogenetic...
  15. Replacing Paper: Tips for Choosing an Electronic lab Notebook

    Type
    Blog Post
    ...publications and funding. If any of these three pillars crashes, the lab's success and the careers of its researchers...not enough. A 2013 study showed that out of 238 published scientific articles, only 46% could be reproduced...adopting simple note-taking tools, others using excel sheets or organizing folders in complex ways, there are...everything in one place. From pictures to excel sheets, researchers today generate vast amounts of digital...
  16. 28 Hot Plasmid Technologies from 2015

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    Blog Post
    ...sequencing or other readout. Cellular memory is accomplished by the use of sequence-specific enzymes (e.g...also available, N1-LOC8R.  These plasmids are unpublished Unnatural amino acid incorporation in mammalian...detection of neuronal action potentials. The Cohen lab wished to improve on the Arch indicator and their collaborators... that their sgRNA-RNA fusions were functional, Shechner et al used the constructs in their study to target...contiguous with the sgRNA core (see image above). Shechner, et al. Nat Methods. 2015. PubMed PMID: 26030444...regulation in live cells since their introduction by Sherf and Woods in the nineties. However, reliance on ...guess what? pXPG is now available at Addgene. Sherf, et al. 1994. Promega Notes Mag. Giannakis, et...
  17. Viral Vectors 101: Systemic Capsids

    Type
    Blog Post
    ...system (PNS). (Capsids, if you recall, are the outer shell of an AAV vector, which determine the vector’s tropism...Addgene’s Data Hub and the CLOVER repository of published systemic AAVs to find commonly used vector cargo...capsid, while Table 1 gives a brief overview of published descriptions of commonly used or emerging capsids... plasmids available from Addgene Capsid Published Tropism Model Organism Mouse Strain-Specific...Caltech’s CLOVER Center’s extensive repository of published systemic AAV experiments and Addgene’s AAV Data...your validation data to our Data Hub once you’re finished!) Good luck and happy transducing! This post was...
  18. Coomassie Purity Stain of Recombinant Antibodies

    Type
    Protocol
    ...antibody, 0.9–1.1 mg/mL SimplyBlue SafeStain, Thermo Fisher, LC6060 4-12% NuPage Novex bis-tris mini gel, 1mm... LC Area column for the IgG standards in Google Sheets. Open exported CSV file. Select import. Choose ... Chart . This will add a blank chart to your spreadsheet. In the Chart Editor , select the Chart Type ...Add a linear trendline for the standards. Google Sheets can calculate this for you as follows: In the Chart...equation and the R 2 of the trendline in Google Sheets as follows: In the Customize tab, select the Label...
  19. Live and Let Dye: Self-Labeling Protein Tags

    Type
    Blog Post
    ... SNAPf. eDHFR: The Virginia Cornish and Michael Sheetz labs demonstrated in 2005 that proteins fused with...j.chembiol.2019.01.003 Gallagher, S. S., Sable, J. E., Sheetz, M. P., & Cornish, V. W. (2009). An In Vivo Covalent...doi.org/10.1021/cb800025k Miller, L. W., Cai, Y., Sheetz, M. P., & Cornish, V. W. (2005). In vivo protein...10.1038/s41467-023-40788-8 Ulrichs, H., Gaska, I., & Shekhar, S. (2023). Multicomponent regulation of actin ...
  20. 22 Hot Plasmid Technologies from 2014

    Type
    Blog Post
    ...genes across the genome. Although this tool was published in 2011, it was only recently made available through...outer mitochondrial membrane. Sequestration is accomplished by knocking down your endogenous protein of ...shRNA. This system requires less work than using established methods and minimizes some of the technical issues...the CRUSH vector in transgenic mice, the lab established a dual-color RNAi “sensor” mouse strain in which...and involve many steps. The Drew Endy and Keith Shearwin labs have developed a new, streamlined approach...
Showing: 221 - 240 of 594 results