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Showing: 1 - 20 of 510 results
  1. Choosing Your Fluorescent Proteins for Multi-Color Imaging

    Type
    Blog Post
    Published
    Oct. 9, 2014, 3 p.m.
    ...between a fluorescent protein and a filter set, many filter set vendors provide tools to plot the fluorescence...filter set, we would expect TagRFP to give a brighter signal than mCherry. In general, filter sets designed...Commonly used filter sets & relevant fluorescent proteins Commonly used filter sets for multicolor imaging...Choosing compatible fluorescent proteins To choose a set of fluorescent proteins to be imaged together, you...emission spectra of your protein with the filter sets or lasers on your microscope. Ideally, you would...Viewer comparing a standard Cy3 or Rhodamine filter set (Chroma #49004) to the spectra of both mCherry and...are red. Neither is a perfect match to the filter set but the excitation filter excites more of the peak...
  2. High Complexity Golden Gate Assembly with NEB’s DAD

    Type
    Blog Post
    Published
    Aug. 1, 2023, 1:15 p.m.
    ...designing your overhang sets. But are those rules the best way to design GGA overhang sets, particularly for...rules of thumb for overhang set design allowed for high-fidelity assembly for sets of up to 10-12 fragments... user to check fidelity of an overhang set by uploading the set with the Type IIS restriction enzyme and...and overhang sets: NEBridge Ligase Fidelity Viewer™; NEBridge GetSet™; and NEBridge SplitSet™. With these...to improve fidelity. NEBridge GetSet Need a set of overhangs, stat? GetSet can do that for you, complete...NEBridge SplitSet If you want to design an overhang set specific to your DNA sequence, SplitSet is the ...defined split regions. SplitSet will then return the highest-fidelity overhang set it can find for those...
  3. Mentoring for Scientists: I Have a Mentor, What Now?

    Type
    Blog Post
    Published
    March 6, 2014, 7:12 p.m.
    ...relationship? Consider adding formality and active goal setting to your mentoring relationships, so that you can...stage you will rarely make any change in your skill sets or activate the helpful accountability that is one...mentor.The responsibility of arranging meetings and setting the direction in a mentoring relationship falls...Connie Cepko to learn about her mentoring style. Set goals with a mentor: The secret of accountability...productive, the most important step you can take is to set goals to work on together and track progress at every...internship, etc.). It is helpful to work together on setting SMART goals using a Development Plan template. ... goals. The more time and thought you put into setting goals, the more progress you will make in reaching...
  4. Synthesized by Ginkgo Bioworks, Shared by Addgene: SARS-CoV-2 Plasmids for Many Expression Systems

    Type
    Blog Post
    Published
    May 19, 2020, 1:15 p.m.
    ...cerevisiae expression vectors are available at Addgene. A set of mammalian expression vectors containing various...expression plasmids. Each combination is present in two sets of backbones which drive expression using either... system. Mammalian expression plasmids Finally a set of wild type and codon optimized, full length and...of COVID-19 We received Ginkgo’s first deposited set of plasmids containing SARS-CoV-2 protein coding ...cerevisiae expression vectors in late March. The first set of 383 constructs went online just three weeks following...process. While this has worked well for the early sets of SARS-CoV-2 materials, it will not scale well ...
  5. Antibodies 101: Flow Cytometry Controls

    Type
    Blog Post
    Published
    June 6, 2024, 1:50 p.m.
    ...cytometry, you’ll need various controls to help you set up and analyze your samples. While you are probably... add. Single color controls are used to help you set up your voltages and can also be helpful for compensation...experimental samples, the voltages and compensation you set from your single color controls may not be accurate...sample, and you should then confirm or adjust the settings with experimental samples. Figure 1: Example... example. The FMO sample (A) can be used while setting up your gating schematic to easily determine where...your samples for flow analysis rather than for setting up your initial voltages and gates. Ashlyn has ...your experiment. To make an FMO sample, you take a subset of your experimental samples, combine it into one...
  6. Extracurricular Activities for a Strong Science Career Path

    Type
    Blog Post
    Published
    Jan. 21, 2014, 3:08 p.m.
    ...career pathways, education and mastering new skill sets must occur by doing work outside of the lab. Extracurricular...to fully understand and acquire competitive skill sets in a myriad of professions is to engage in extracurricular...associations outside of the traditional academic setting and to shape and strengthen interests and skills...and view their required qualifications and skill sets Taking the time to identify and research 2 – ...lists potential EAs and which professional skill sets are strengthened. This short list highlights the...
  7. Deep Dive: qPCR

    Type
    Blog Post
    Published
    Sept. 29, 2022, 1:15 p.m.
    ...reference gene set can save significant plate space and may be worth the initial effort of setting it up for... Validation Once designed, your primer and probe set needs to be validated and your reaction optimized...profiles (Dwight, 2011).  Reference Genes  Choosing a set of reference genes deserves more attention than it...consistent in your hands.  When using multichannels, set up your plate in a way that will tell you if you ... of the plate. Compare the CT values within each set of triplicates to understand variation due to technical... for reproducibility’s sake!   Fig. 2: Setting up triplicates in multiple configurations can help...of signal. They are often included in commercial sets and most machines have a protocol that automatically...
  8. Natural or synthetic? How Addgene’s dataset reveals trends in biological innovation

    Type
    Blog Post
    Published
    Nov. 8, 2018, 3:47 p.m.
    ...scientists are beginning to see Addgene as a large data set. Addgene has over 65,000 plasmids in the repository...natural or synthetic 97.7% of the time in a test set of 173 known synthetic and natural genes.  In designing...time researchers have used Addgene as a large data set. Alec A. K. Nielsen & Christopher A. Voigt also recently...did it come from? What does it do? Those are the sets of questions one would want to have answered with...recently published a tool (trained on Addgene plasmid datasets) to predict the lab-of-origin of engineered DNA...
  9. Sweating the Small Stuff: Details in the Lab

    Type
    Blog Post
    Published
    Feb. 8, 2022, 2:15 p.m.
    ...ways to intentionally set up your bench to help manage details. For example, setting up your pipette tips...Prevent Interruptions If you need to focus, a large set of headphones can act as a Do Not Disturb sign, even...postdoc, to whom I am forever grateful, I started setting aside 3-5 minutes to sit quietly at my bench before...you’ll be able to find strategies and systems that set you up for success in the detail-driven daily grind... your approach, your workflow, or your physical setup - to prevent the mistake, just like you would change...consider your prep an investment in accuracy.  Bench setup Small adjustments in the physical organization of...7, 2022. https://www.med.upenn.edu/robertsonlab/assets/user-content/documents/Western%20Blotting.pdf  ...
  10. Multiple Plasmids at a Low Price: Kits from Addgene

    Type
    Blog Post
    Published
    Sept. 14, 2016, 2:30 p.m.
    ...generally create kits to allow you to easily use a set of plasmids together on a tight budget. To help ...from the repository: FX Cloning Kit BIOFAB Plasmid Set pCri System Cell Free Protein Expression Kit FREQ...screen." Scientific reports 5 (2015). BIOFAB plasmid set 3000 Series Confronted with the problem of creating...The plasmids in this portion of the BIOFAB Plasmid Set contain terminators of varying strengths centered...; the Cell-free expression test kit represents a set of 88 clones in a pCellFree vector that enables protein...expression in any in vitro translation system. The gene set was carefully chosen to perform statistically relevant...Gagoski, et al 2015[2]). The proteins encoded in this set range in size from 4 to 156 kDa, enabling the user...
  11. Sleeping Beauty Awakens for Genome Engineering

    Type
    Blog Post
    Published
    June 30, 2015, 2 p.m.
    ...system - one set of vectors for robust constitutive expression (pSBbi derivatives) and one set of vectors...that can move around in a genome. In a laboratory setting, transposons can be used to both introduce genes...reasons. 1.) The transposon consists of a mirrored set of inverted repeats (green) flanking the gene of ...2) a transposon containing the gene-expression cassette that can translocate within the genome. The Sleeping...
  12. New Acoustic Reporter Genes: Ultrasound Imaging of Gene Expression

    Type
    Blog Post
    Published
    Jan. 24, 2023, 2:15 p.m.
    ...plasmids Our new mARGs come as a set of two PiggyBac integratable cassettes, both with doxycycline inducible...developed Acoustic Reporter Genes (ARGs), which are sets of genes that, when expressed, enable cells to be...unless destructive ultrasound imaging was used. We set out to develop next-generation bARGs that could scatter...screened gas vesicles gene clusters from a diverse set of gas vesicle-expressing species. The gas vesicle...protein, improving expression, and named this gene set bARGSer, for bacterial ARG from Serratia sp. 39006...endeavor. That is why we also included an analogous set of transient constitutively-expressed mARG plasmids... had a large genetic footprint (two cassettes + a booster cassette), their expression heterogeneity required...
  13. Changing Labor Laws Bring Increased Postdoc Wages

    Type
    Blog Post
    Published
    Oct. 25, 2016, 2:30 p.m.
    ...The exemption salary was set at $47,476 and the date for implementation was set for Dec 1 2016. In order...minimum salary policy: of those, 51% of institutions set their postdoctoral salary scales to the NRSA scale...Institutional Policy Report 2014). However, ~30% set their minima lower. Furthermore, 7% did not enforce...salaries may even double. The University of Notre Dame sets no minimum, stating that while they recommend NRSA...this in direct contradiction to explicit policies set up other institutions (like University of Washington...
  14. Bringing Sustainable Practices to the Lab: Easy Action Items

    Type
    Blog Post
    Published
    April 22, 2019, 12:26 p.m.
    ...project. This could be: Setting up a recycling program at your institute. Set your -80 °C freezer to -... In fact, some scientists speculate the -80 °C setting might have been a marketing campaign! MIT Green...
  15. Tips to Make the Most of a Scientific Conference

    Type
    Blog Post
    Published
    May 23, 2019, 12:26 p.m.
    ...attending. Reach out if you’d like to meet someone and set aside a time to meet. Some conferences may also have...lunch, happy hour) and use the conference hashtag to set one up. It’s also helpful to write your Twitter handle...don’t know or attending social events. I like to set goals for myself like meet ten new people each day...communication, and scientific networking Learn how to set up and informational interview and Expand your professional...a professional organization to expand your skill set Resources on the Addgene website Become of a member...
  16. Droplet Digital PCR for AAV Quantitation

    Type
    Blog Post
    Published
    Jan. 16, 2020, 2:18 p.m.
    ... a dedicated bench with a dedicated set of pipettes for ddPCR set-up. Prepare the master mix in a separate... to the threshold fluorescence of a standard - a set of reactions with known quantities of DNA. Additionally...can vary by a factor of 2. This means that if you set up two identical assays with the same sample, you...into single-use tubes and grab a fresh one for each set up.  Wipe down the bench and all consumables with...
  17. CRISPR Kinome Libraries Available: Pooled and Individual Plasmid Formats

    Type
    Blog Post
    Published
    Sept. 9, 2016, 2:43 p.m.
    ... available from Addgene as pools provided in two sets, each with 4 gRNAs per kinase, so screens can be...do not lend themselves to screening in a pooled setting. The individual plasmids will also be useful for...individual plasmids separately. Additionally, this set can be used for cherry-picking individual gRNAs that...targeting the mouse and human kinomes. While any subset of the genome is limited by definition, the kinome...plasmids contain the same 3-4 gRNAs found in the first subset of the pooled library. The individual plasmids ...
  18. Hot Plasmids - February 2022

    Type
    Blog Post
    Published
    Feb. 22, 2022, 2:15 p.m.
    ...of cellular targets by: Mike Lacy Adding to their set of anti-HA frankenbodies (Zhao et al. 2019), Tim ... Hiroshi Kimura’s labs have recently published a set of anti-FLAG frankenbodies, a flexible, modular tool...cells, and use it in a variety of applications. This set of new anti-FLAG frankebodies includes mEGFP, mRuby2...expression vectors (3570 lanes/50 mLs) coexpressing a set of either 10, 30, 50, and 100 kD proteins or 20, ...Every few months we highlight a subset of the new plasmids and viral preps in the repository through ...perform multiplex editing within a single expression cassette is advantageous to Cas9’s larger expression requirements...2: comparison of Cas 9 vs. Cas 12a expression cassettes when encoding multiple guides. While two guides...
  19. 7 Tips to Secure a STEAM Internship This Summer

    Type
    Blog Post
    Published
    Feb. 2, 2021, 2:15 p.m.
    ... and career fit. Most internships share a common set of criteria such as citizenship status, academic ...letter of support.        5. Application submission  Set a calendar reminder for every deadline and shoot ...an in-person interview. Formulate and practice a set of common questions with a peer or mentor. Several...prepared mind” by Louis Pasteur These tips are a set of common sense approaches that will prepare you ...
  20. #Deckthelab Contest Winners 2017

    Type
    Blog Post
    Published
    Jan. 31, 2018, 2:44 p.m.
    ...participated in our annual #Deckthelab contest. The bar was set very high from last year’s impressive entries, but...hoarding used tip boxes for a lab supply tree and set a challenge for her lab mates to create the best-...
Showing: 1 - 20 of 510 results