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  1. Antibody Guide

    Type
    Collection
    ...conjugating them in the lab? How will the sample be prepped, and will this or other factors affect epitope ...isotype. Overview of application Fix your samples. Prepare your samples using permeabilization, antigen retrieval...and controls follow that of IF (above). Sample preparation, signaling excitation, and assay readout vary...
  2. Antibody Guide

    Type
    Guide
    ...conjugating them in the lab? How will the sample be prepped, and will this or other factors affect epitope ...isotype. Overview of application Fix your samples. Prepare your samples using permeabilization, antigen retrieval...and controls follow that of IF (above). Sample preparation, signaling excitation, and assay readout vary...
  3. DNA Quantification

    Type
    Protocol
    ...NanoDrop to measure your samples, place 1-2µL of mini-prepped DNA onto the pedestal. Close the lid and click ...
  4. Virus Protocol - Generating Stable Cell Lines

    Type
    Protocol
    ...polyethersulfone filter, Nalgene, 565-0010 (for viral preps, if prep was not previously filtered) Microcentrifuge...15 mL conical tubes, VWR 21008-216 Lentivirus preparation Appropriate antibiotic for selection (e.g. puromycin...puromycin, blasticidin) Reagent Preparation DMEM Complete: 10% v/v FBS and 4 mM L-alanyl-L-glutamine (...determine the lowest dose that kills all of the cells. Prepare a batch of DMEM complete + 10 µg/mL polybrene by...Thaw the lentiviral aliquot on ice prior to use. Prepare a range of dilutions of the lentivirus in DMEM ...cell solution in this step. To seed the cells: Prepare a batch of cells as follows: Dilute 350,000 cells...growing well and have been sufficiently expanded, prepare cell stocks and/or harvest to test for protein ...
  5. Handling Plasmids from Addgene - Purifying Plasmid DNA

    Type
    Protocol
    ...you can find a protocol for kit-free plasmid mini-prep at the bottom of this page. Last Update: Feb. 8,...culture of bacteria . Pro-Tip Refer to appropriate DNA prep protocol for volume of bacteria to grow (low copy... Protocol: Kit-free Alkaline Lysis Plasmid Miniprep Prepare the following solutions: Solution I - Resuspension...pellet the bacteria before proceeding with DNA preparation. Pro-Tip If your entire overnight culture cannot...
  6. Coomassie Purity Stain of Recombinant Antibodies

    Type
    Protocol
    ...appropriate imaging system. Figure 1 Recombinant antibody preps should have 2 clear bands at ~50 kDa and ~25 kDa... Pro-Tip Addgene only uses recombinant antibody preps that have a purity of ≥90% but some labs use unpurified...prestained protein ladder on ice. Reagent Preparation Prepare IgG Standard Dilute the 2.5 mg/mL IgG isotype.... Add 8 µL of PBS to a total volume of 13 µL . Prepare the recombinant antibody Dilute or concentrate ...microfuge tube. Add 8 µL of PBS to total 13 µL . Prepare 1X MOPS buffer Dilute 25 mL of 20X MOPS buffer ...
  7. AAV Titration by qPCR Using SYBR Green Technology

    Type
    Protocol
    ... number of genome-containing particles in an AAV prep using qPCR, SYBR Green Technology, and Addgene’s... number of genome-containing particles of an AAV prep using SYBR green technology. This protocol was validated...each step Reagent Preparation Master Mix: Count the number of samples (n) and prepare master mix for an...μL Nuclease Free Water 4.7 μL 470 μL Procedure Prepare a plasmid stock of 2 x 10 9 molecules/μL to generate...
  8. Viral Genome Sequencing - A One Stop Shop for AAV Identity and Serotype Confirmation

    Type
    Blog Post
    ...confirm the identity and serotype of our AAV preparations. We recently published a description of the ... For labs that produce a small number of AAV preparations this level of quality control is sufficient ...facilities producing a large number of viral preparations in parallel, there is a very real risk of mixing...AAVs and the TA-based ligation and tagmentation preparation approaches described previously require a preliminary...effective substrates for tagmentation-based library preparation procedures. This finding eliminates the double-stranding...simplified approach, we sequenced over 100 AAV vector preparations and showed that VGS can quickly and reliably... script that can confirm the serotype of AAV preparations.  Using viral genome sequencing to determine...
  9. The Scientific Conference Poster Session: Tips for Success

    Type
    Blog Post
    ...first scientific poster, but unsure how best to prepare. Maybe you’re a presentation veteran, but have ...experience. No matter the reason for attending, your preparation and day-of game plan will ensure you have the...experience possible. Tips for poster session presenters Prepare for success You’ve put a great deal of thought ...it’s time to expertly show off your science.  Prepare the night before: To avoid rushing out the door...poster as a visual aid, not a crutch. Even the most prepared of us can find ourselves talking to our posters... part of a poster session, but with a little preparation and a few deep breaths the day-of, you’ll handle...Strategically traverse the sea of posters If you come prepared with a list of posters of interest, then you’ve...
  10. Save Time and Money by Making Your Own Competent Cells

    Type
    Blog Post
    ...reference: OpenWetWare Preparing chemically competent cells (protocol)  Preparing electrocompetent cells... Untergasser Lab Preparation of chemically competent cells (protocol) Preparation of electrocompetent...Research to make competent cells because cells prepared using this kit can be transformed without heat...of electrocompetent cells (protocol)  Cells prepared using the Z-competent TM buffer can be easily ...
  11. 10 Steps to a Perfect Science Talk

    Type
    Blog Post
    ...talk to the occasion Don’t just plan to reuse a prepared talk unless it perfectly fits the occasion.  I...figure out how to make it suspenseful. 4. Start preparing your talk early - like today Don’t wait until ...for poor quality slides with sufficient time to prepare (and it does take time). For important talks, ask...loves a great animation. 8. Predict questions, prepare answers Speaking pros always have a few extra slides...come up with clear and concise answers. This preparation will help you avoid giving only yes or no answers...their phones. Speaking longer just makes you seem unprepared or arrogant. A bit short is always better than...
  12. Antibodies 101: Multiplex Immunofluorescence

    Type
    Blog Post
    ...consider using a different antibody.  Prepare a positive control Prepare and label a sample that expresses...paraformaldehyde-fixed cell samples, or other preparations. Sequential IF For a sequential IF experiment... ICC validated antibodies from Addgene), or be prepared to run some extra controls and validate the antibody...expect the target to be. You can test this by preparing a sample without the primary antibody, or with...different antibodies, blocking, washing, and sample preparation steps, in order to ensure your antibodies are...
  13. Five Questions to Ask If You're Deciding Between a Master's or PhD Program

    Type
    Blog Post
    ... can prepare you to present your work at conferences, help with manuscript and grant preparation, and ...science communication skills. Ultimately, my degree prepared me to be exactly the type of scientist I wanted...interview with them to learn how their master's degree prepared them for their career.  2. Are you looking for...
  14. How to Deposit Your Plasmids with Addgene

    Type
    Blog Post
    ... a peer-reviewed manuscript OR a preprint. In the case of a preprint submission, we are happy to update...containing instructions on how to prepare your plasmids and a prepaid label with shipping materials to ...journal. To start this process, simply enter your preprint title or a general description of the deposit....
  15. 25 Work From Home Tips for Scientists

    Type
    Blog Post
    ...while meditating right before bed will help you prepare for sleep. At Addgene, our mindfulness group is...more about career paths and things you can do to prepare. Adapt to WFH while parenting Keep your kids...tutorials for all ages. Organize your data and prepare publications or your dissertation Organize data...write introductions to potential publications or prepare a review article. These are both options that can...
  16. Viral Vectors 101: Producing Your rAAV

    Type
    Blog Post
    ...containing Ad E2A, E4, and VA RNA genes; and the pRepCap plasmid containing replication factors and serotype-specific...been developed to determine the titers of rAAV preparations, such as dot blot, enzyme-linked immunosorbent...overestimate of transducible units in the virus preparation.  rAAVs  Now your AAV virions are ready to store...Unpurified Recombinant Adeno-Associated Viral Vectors [Preprint]. Molecular Biology. https://doi.org/10.1101/2023.03.20.533580...
  17. Great Results Start with Great Standard Curves

    Type
    Blog Post
    ...step of the series is consistent at 1:2. When preparing a dilution series, use a new pipette tip for each... could affect the measurements. You'll need to prepare the standard, standard dilutions, and unknown sample...components can affect the final readout. When preparing a standard curve, change pipette tips and mix ...every time the assay is run, ideally with freshly prepared buffer. This is because standard curves vary depending...
  18. Healthcare Consulting: A Door to the Business of Life Sciences

    Type
    Blog Post
    ...personality types, and to devise strategies to be prepared for addressing unexpected situations. At the end...long-term? A few years as a healthcare consultant can prepare you for a successful career in several different...foot in the door When I was first considering preparing for and transitioning to a career in healthcare...learning about the nature of the job and the ways to prepare for it. Besides those conversations, reading online...
  19. Plasmids 101: Control Plasmids

    Type
    Blog Post
    ...should be consistent over time and from different preparations of the purified test plasmid expressing the ... with purified plasmid from the same aliquot/preparation. The replicate control isn’t measuring or assessing...Using our example above, we would test different preparations of Plasmid A in different aliquots of cells ...singular or associated with only one aliquot/preparation of the test plasmid.  Let us now revisit our ...
Showing: 181 - 200 of 388 results