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We narrowed to 587 results for: cel.2;

Showing: 471 - 480 of 587 results

  1. Plasmids 101: Sequence and Ligation Independent Cloning (SLIC)

    Type
    Blog Post
    ..., but at a lower efficiency (~20%). Figure 2: Schematic of multicomponent assembly with SLIC. Multiple...bacteria, so it can be transformed as-is into cells. The cells then get to work fixing up the “damage” and...nicked plasmid together long enough to get it into cells and let them do the repair work. The key is T4 DNA...

  2. Sharing is Caring: But How to Distribute Open Hardware?

    Type
    Blog Post
    ...-priced commercial devices.     Fig. 2: Workflow for open software (left) vs. open hardware (right...quantitatively evaluating antibody staining, or counting cells are now routine, open-source software projects that...portable device for studying plankton using flow cells, has become an established alternative to high-priced... and blueprints has the potential not only to accelerate scientific progress, but also to enable science...

  3. Hot Plasmids and Viral Preps - March 2021

    Type
    Blog Post
    ...endothelial cell-pericyte, neuron-astrocyte, and cancer-stromal cell pairs.   Figure 2: Schematic...Winslow’s lab to label cells after cell-cell interactions. Using G-baToN, “sender” cells express GFP on the... and “receiver” cells express an anti-GFP nanobody on the cell surface. When the cells interact, GFP is...the receiver cell, and the receiver cell turns green. This system can be used in many cell types including...engineering with single-pot assembly Tracking cell-cell interactions New auxin inducible degron system....brgcm3sw     New system developed to track cell-cell interactions By Jennifer Tsang GFP-based Touching...of the interaction between the sender cell and the receiver cell. Image from Tang et al., 2020.   ...

  4. General Transfection

    Type
    Protocol
    ... solution can be stored at 4 °C for up to 2 months. After 2 months, discard the tube and thaw a new working... transfected using 1:1, 1:2, 1:3 and 1:6 µg of pRosetta :µg of PEI. The 1:2 and 1:3 ratios provided high...Plate 1x10 6 cells in a 75 cm 2 flask in a volume of 15 mL. Wednesday: Plate 1x10 6 cells in a T75 flask... transfect cells with a fluorescent plasmid using a variety of ratios. Check the cells 1–2 days after ...optimized for viral production) Day 1: Transfect Cells Day 2 (am): 18 h post transfection - Remove media, ...tissue culture plates. Incubate the cells at 37 °C, 5% CO 2 for ~20 h. Gently aspirate media, add 10 mL...Biological Safety Cabinet 0.5–10 µL single channel pipette 2–20 µL single channel pipette 20–200 µL single channel...

  5. Mouse Modeling, Part 1: Genetically Engineered Mice

    Type
    Blog Post
    ...covered in more detail in part 2 of this blog series) controls the cell types in which the conditional...modified zygotes or embryonic stem cells. Modified embryonic stem cells are injected into a blastocyst which...engineered cells. Similar to transgenic mice, knockout mice are engineered during the embryonic stem cell stage...not all cells in the blastocyst were successfully edited by the injection of embryonic stem cells. Also,... interest into a zygote, or into embryonic stem cells that are then injected into a blastocyst. There ...of interest into a zygote or into embryonic stem cells. Non-homologous recombination incorporates this ...targeting vector is electroporated into embryonic stem cells and this will insert the gene at a specific site...

  6. Tips for Titering Your Lentiviral Preps

    Type
    Blog Post
    ...protocols 4.4 (2009): 495-505. PubMed PMID: 19300443. 2. Geraerts, Martine, et al. "Comparison of lentiviral...can actually infect cells. These assays typically involve infecting a target cell line with your virus...distinguish between a cell that has had one viral particle integrated into its genome and a cell that has had ...arrived; you’ve painstakingly cared for your packaging cell line, prepped your DNA, transfected and harvested...move ahead with your infection and make your stable cell line. While we’ve all experienced the pressure to...viral copies that have integrated into the target cell’s genome. Physical titer The two most common assays...functional titer uses FACS to count the number of target cells that are positive for vector encoded transgene expression...

  7. Summer SciComm Series: A PhD in Science Communication

    Type
    Blog Post
    ...perceived climate change risks. Nature Climate Change, 2(10), 732-735. doi:10.1038/nclimate1547 Kunda, Z. (...spend the afternoon lovingly tending to the stem cells I was using in an experiment, then spend the evening...

  8. 3 Challenges in Plant Synthetic Biology

    Type
    Blog Post
    ...and open a new conversation about GMOs.  Challenge #2: Technical obstacles to plant synthetic biology In...challenging to engineer a specific function in these multicellular organisms. However, the rewards are great if...

  9. Lentivirus ddPCR Titration

    Type
    Protocol
    ...Activation 95 10 2 1 Denaturation 94 0.5 2 40 Annealing/Extension 60 1 2 40 Enzyme Deactivation 98 10 2 1 Hold ...copies of RPP30 in diploid cells, thus the reason for multiplying by 2. $$V = 2*{copies\ RRE \over copies...diluted 2-fold serially, the concentration of RRE positive droplets should decrease by a factor of 2 across...each well. Detach cells by incubating with 200 µL TrypLE for 1–2 min. Resuspend cells in 500 µL DMEM complete...Lentivirus is generally considered biosafety level 2+. Please ensure that you are in compliance with your...channel pipette 200–1000 µL single channel pipette 2–50 µL multichannel pipette 20–200 µL multichannel ... DG8 cartridge into the cartridge holder. Using a 2–50 µL multichannel pipet, load 20 µL of the reaction...

  10. Plasmids 101: The protein expression toolbox

    Type
    Blog Post
    ... the transcriptional level.     Fig. 2 Tetracycline on/off promoters and modes of action ...force to control protein expression in mammalian cells: easy to use biological tools are abundant! In this...tag prior to introduction of the construct into cells. However, if you would like tunable control of an...
Showing: 471 - 480 of 587 results