We narrowed to 109 results for: 1-Oct
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TypeBlog Post...those ideas and build from those. Figure 1: Virtual lab meeting? No problem! You can still creatively... on it – so it is important to take breaks. After 1 hour (or another designated time) of meeting, someone...This post was contributed by Matteo Tardelli, a postdoctoral scientist at Weill Cornell Medicine. Discussing...blogger Matteo Tardelli! Matteo Tardelli, PhD is Postdoctoral Scientist at Weill Cornell Medicine in NYC and...
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Troubleshooting and Optimizing a Western Blot
TypeBlog Post...from 1:100–1:1,000. If your antibodies come from ascites fluid, try a dilution range from 1:1,000–1:100,000...the antibody’s dynamic range. Specifically, the 1:2, 1:1, and No dilution samples all have approximately...recommended dilution and/or range (typically between 1:500 and 1:10,000 for primary antibodies). You’ll want to...recommended dilution range is usually between 1:5,000 and 1:200,000. Check the manufacturer’s recommendations...reagent (usually an antibody). Figure 1: A protein gradient. The density of the bands, which...Here, the lanes are lightly marked on the membrane (1) using the gel as a guide. The gel is then removed...membrane is reassembled and imaged. In this example, a 1:1,000 dilution gives a high signal with low background... -
R Bodies: Membrane-Rupturing Microscopic Tools
TypeBlog Post...bioengineering, but it wasn’t clear whether they could 1) be decorated with proteins and remain functional,...Follow her on Twitter @jessicapolka. References 1. Kanabrocki, J. A., Quackenbush, R. L. & Pond, F. ...contributed by guest blogger Jessica Polka, a Postdoctoral Research Fellow with Pamela Silver. Most types...with their environment. Jessica Polka is a Postdoctoral Research Fellow with Pamela Silver in the department... -
A Primer on Optogenetics: Introduction and Opsin Delivery
TypeBlog Post...Jacqueline N Crawley [et al]. 2012;Chapter 1:Unit 1 20 1-18. doi: 10.1002/0471142301.ns0120s59. PMID:...mutually exclusive) commonly used in optogenetics: 1) electrophysiology and 2) behavioral experiments. ...can be broken down broadly into three main steps: 1) Selection and expression of your opsin of choice ...reviews for a discussion of the different variants [1, 2, 4]. And, of course, the best way to learn about...monitor expression at various time points (e.g. every 1-2 weeks over 8 weeks) in order to determine the optimal...follow him on Twitter @derekpsimonphd. References 1. Tye KM, Deisseroth K. Optogenetic investigation of..., Jacqueline N Crawley [et al]. 2013;4(435):4 35 1-4 20. doi: 10.1002/0471142301.ns0435s65. PMID: 25429312... -
Simplify Cloning with in vivo Assembly
TypeBlog Post...two-step, 2 hr protocol prior to transformation (Figure 1). As this approach requires no special reagents or...with linearized vector backbone. DpnI digestion - 1 μl DpnI is added to the PCR mix to remove parental...confirm primer design. Use minimal template DNA Use 1 ng of PCR template DNA to minimize false positive ... by PCR, so we usually add DMSO (3%) and Betaine (1 M) to the PCR mix. When PCR is not possible Some plasmids...Twitter @jakefwatson and @JGarciaNafria. References 1. Jones, Douglas H., and Bruce H. Howard. "A rapid ...Laboratory of Molecular Biology. Jake Watson is a postdoctoral researcher in neurophysiology at the MRC Laboratory... -
Choosing a Good Mentor for Scientists
TypeBlog Post...setting out of the lab (coffee, lunch or beer) and in 1:1 conversations. This creates a level of familiarity... other posts in our Science Mentors series: Part 1: "What Makes a Good Mentor?" and 6 More FAQs About...successful PhD is different from choosing a lab for postdoctoral work. However, selecting a lab with a PI who... -
Performing In Vivo CRISPR Screens Using the FITS Approach
TypeBlog Post...lentiviral gRNA expression vector (pRDA_526) that (1) enables efficient knockout (KO) of genes in immune...statistical power of in vivo screens. Figure 1: Using FITS to perform in vivo CRISPR screens to assess... Find FITS plasmids here! Marty LaFleur is a Postdoctoral Fellow in Arlene Sharpe’s laboratory at Harvard... -
The Materials Science of Optogenetics Experiments
TypeBlog Post... different steps and materials required for each [1, 2]. This protocol [3] provides, in exquisite detail...follow him on Twitter @derekpsimonphd. References 1. Gutierrez DV, et al. Optogenetic control of motor...manipulation of neural circuits. Nature protocols. 2012;7(1):12-23. doi: 10.1038/nprot.2011.413. PubMed PMID: ...freely moving mice. Neuroscience research. 2011;70(1):124-7. doi: 10.1016/j.neures.2011.01.007. PubMed ...University of Michigan and he is currently a Postdoctoral Fellow in the lab of Mary Jeanne Kreek at the... -
Plasmids 101: Knockout/Knock-In Plasmids
TypeBlog Post... the example shown in Figure 1, large sequences corresponding to exons 1 and 3 of the targeted gene have...knock out exon 2 of a given gene. Figure 1: A knockout targeting vector designed to insert a ... the Neomycin resistance (NeoR) gene between exon 1 and 3 of the targeted gene. Upon recombination, the... protein with GFP, as seen in blue flame plasmid OCT4-eGFP-PGK-Puro from the Jaenisch lab. Figure... -
Advice on Career Paths and the Green Card Process for International Researchers and Entrepreneurs
TypeBlog Post...of an industry H-1B need to be aware of the April 1 deadline for companies to submit an application on...and non-profit organizations do not have the April 1 H-1B queue process or quota like industry, these organizations... National Interest Waiver. The three prongs are: (1) The foreign national’s proposed work endeavor must...-1B, you need to prove 3 threshold requirements: (1) that you have international recognition for your ...sponsorship) then he or she can start working in October of the same year. The Industry H-1B visa is not...research institutions are willing to sponsor postdoctoral researchers for the EB-1B using the concept ... -
Optogenetics Guide
TypeGuide...algae Chlamydomonas reinhardtii . Channelrhodopsin-1 (ChR1) is excited by blue light and permits nonspecific...based on the LOV2 domain of Avena sativa phototropin 1 LOVETRAP reversibly sequester and release proteins...concept of optogenetics. 2012 Prog Brain Res. 196: 1-28. PMID 22341318 Gradinaru V, Zhang F, Ramakrishnan...diversifying and extending optogenetics. Cell. 196:1-28. PMID 20303157 Han X, Boyden ES. 2007 Multiple-...Limitations and Future Developments. Exp Physiol. 96(1): 19–25. PMID 20621963 Mattis J, Tye KM, Ferenczi ...Red-light drivable channel from Chlamydomonas noctigama . ChrimsonR carries K176R mutation. 590 PsChR2... -
With an Eye Towards the Future, We Look Back at the March for Science
TypeBlog Post...impartial. The best science happens when scientists have 1) the courage to make mistakes and 2) the integrity...of what I saw are that we, as a society, need to: 1) use more citations for out data so our sources are...chair of the postdoctoral engagement committee and active member of the university's Postdoctoral Association...in the veracity of its work. Alina Chan is a postdoctoral researcher at Harvard Medical School working...runs hand in hand with policy. Alexandra is a postdoctoral researcher in the University of Michigan Department... Jennifer Stancill, Ph.D., is currently a post-doctoral fellow at Vanderbilt University. She studies beta-cell...continue the dialogue. Erin Golden is currently a postdoctoral fellow at the University of Colorado Anschutz... -
Deep Dive: qPCR
TypeBlog Post... Nucleic Acids Research, Volume 28, Issue 19, 1 October 2000, Pages 3752–3761, https://doi.org/10.1093...relatively easy to multiplex (Thellwell, 2000). See Table 1 for a comparison of features of several commonly used...in primer Yes Yes Agarose gel Table 1: Features of various qPCR chemistries. Adapted from...show multiple peaks. (a) (b) (c) Fig. 1: Melt curves showsing (a) a single peak, indicating...changes in ΔΔCT are represented by RQs between 0 and 1. Flipping your experimental and control values during...see this fold change as a positive difference (RQ>1), which may be easier to conceptualize. Just remember... in Molecular Biology, vol. 1160, DOI 10.1007/978-1-4939-0733-5_3, © Springer Science+Business Media New... -
AAVs in Retinal Gene Therapy
TypeBlog Post...and Therapeutic Purposes. Annu Rev Virol. 2014 Nov;1(1):427-51. DOI: 10.1146/annurev-virology-031413-085355...personalized medicine. References and further reading 1. FDA approves gene therapy for blindness 2. Gene Therapy... Med Biol. 2014; 801: 687–693. doi: 10.1007/978-1-4614-3209-8_86. PubMed PMID: 24664759. PubMed Central...amaurosis. This is the first of what I, scientists, doctors and patients hope are many more clinical successes... -
Editor's Choice, September 2016
TypeBlog Post... products). I picked this post for a few reasons: 1) I think phage are super cool and have considered ...Connect the Research Community Grad School Advice Part 1: Picking a Lab and a Project That’s it for now. As...deposited plasmids on this trip. Here’s to hoping that October is even more awesome than September! Tyler J. Ford... -
Making Career Development an Integral Part of the Science Training System
TypeBlog Post... successful after their training. Figure 1: Professional Development Hub Workshop Attendees and...professional development as core components of predoctoral and postdoctoral training. A grant from the National ... -
Production of Virus in Insect Versus Mammalian Cells
TypeBlog Post...centrifugation (lenti) Centrifugation Titration time ~1 day (AAV); ~1 week (lenti) 2–10 days Initial titers Higher...will help you decide which is right for you. Table 1: Mammalian versus insect cells for viral production...the insectspodoptera frugiperda (lepidoptera; noctuidae). In Vitro, 13(4), 213–217. https://doi.org/10.1007... -
Better Dyeing Through Chemistry & Small Molecule Fluorophores
TypeBlog Post...environments such as live cells and tissues (Figure 1). These flexible strategies give you the best of both...majority of in-cell labeling strategies have two parts: (1) a genetically encoded “tag” expressed as a fusion...Follow him on twitter @rhodamine110. References 1. Liu, Zhe, Luke D. Lavis, and Eric Betzig. "Imaging... tag (Figure 1c). Click chemistry (e.g., transcyclooctene–tetrazine)– Nonnatural amino acids can be ... -
Crowdfight, a Platform to Boost Scientific Collaboration During COVID-19 and Beyond
TypeBlog Post...prompted us to create Crowdfight. Figure 1: Crowdfight is a community of scientists who believe...collaborator for a specific task, Crowdfight will: 1) Find an expert with the right skill; 2) Confirm the...IgnacioAmigoH María Hernández-Sánchez is a postdoctoral researcher at Instituto de Investigación Biomédica... -
Important Considerations in Optogenetics Behavioral Experiments
TypeBlog Post...animal will repeatedly nose-poke at the active hole [1, 2]. Place preference/place aversion also models... can be explained primarily in two different ways 1) your hypothesis is wrong or 2) there is some problem...follow him on Twitter @derekpsimonphd. References 1. Stuber, Garret D., et al. "Excitatory transmission...University of Michigan and he is currently a Postdoctoral Fellow in the lab of Mary Jeanne Kreek at the...