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Showing: 781 - 800 of 827 results
  1. Plasmid Cloning by PCR (with Protocols)

    Type
    Protocol
    ...enzyme, or enzymes that have compatible overhangs or no overhangs after digestion, you will need to use ...chance for mis-priming, so you can use a pretty wide range of annealing temperatures, but you may need to increase...cloning. DNA replication by PCR has error rates that range from roughly 1 per 500bp to roughly 1 per 10 million...
  2. Antibodies 101: Validation

    Type
    Blog Post
    ...non-specific, background signal, so you’ll need a range of expression strengths to be confident in your ...
  3. AAV ddPCR Titration

    Type
    Protocol
    ...outlined in this protocol are based on an AAV titer range of 5E+12–5E+13 GC/mL, where GC is genome copies ...slowly to avoid generating aerosols. Be sure to change tips each time. Dilution 1 (20X): 5 µL in 95 µL...directly in the center of the well and tilt to a 45° angle. Count to 20 while slowly and gently aspirating ... of the well and tilt the pipette tips at a 45° angle. Count to 20 while slowly and gently dispensing ...
  4. Optogenetics Guide

    Type
    Guide
    ...a variety of different activation wavelengths, ranging from blue to yellow to red. Red light exhibits ...neuronal activation/inactivation periods. These can range from msec (hChR2) to “long lasting,” e.g. seconds...Cry2-CIB1 system, light induces a conformational change in cryptochrome Cry2 to permit CIB1 binding. As... similarly to cryptochromes with light-induced changes in protein conformation/dimerization. In addition... Blue light activation induces a conformational change in the LOV2 domain which allows SsrA to bind with...'s Lab: Optogenetics Resource Center Boyden ES, Zhang F, Bamberg E, Nagel G, Deisseroth K. 2005. Millisecond-timescale...Brain Res. 196: 1-28. PMID 22341318 Gradinaru V, Zhang F, Ramakrishnan C, Mattis J, Prakash R, Diester ...
  5. Plasmid Modification by Annealed Oligo Cloning (with Protocols)

    Type
    Protocol
    ... a short stretch of DNA to a plasmid, such as: Changing a Multiple Cloning Site (MCS) Adding short tags...once annealed can be cloned directly into the overhangs generated by restriction digest of existing sites...to include additional bases to complement the overhangs generated when digesting the vector with EcoRI...
  6. Antibody Guide

    Type
    Guide
    ... producing antibodies, can change the constant region, and therefore change the isotype of antibodies ...variable regions, shown in light blue and light orange, that bind to a specific antigen, triggering an...constant region, and is shown in dark blue and dark orange. The constant region is a stable part of the antibody... There are several alternatives to antibodies, ranging from antibody fragments (shown in Figure 2) to ...expensive than HRP, fluorophores are available in a range of colors activated by different wavelengths, allowing... assay run. The standard curve should contain a range inclusive of all expected protein concentrates in...to distinguish cell types. Multiplex assays can range from two antibodies to upwards of twenty. Laser ...
  7. Centrifugation

    Type
    Protocol
    ... tubes. Depending on the centrifuge their speed ranges can vary, but are typically lower than some other...unbalanced state can damage the centrifuge and be dangerous for the user. If you do not have a balanced number...are not the same units and are not directly interchangeable. If you need to convert between the two, use...
  8. Protocol - How to Ligate Plasmid DNA

    Type
    Protocol
    ... a single stranded overhang on the digested end of the DNA fragment. The overhangs, called "sticky ends...sticky ends are compatible, meaning that the overhanging base pairs on the vector and insert are complementary...
  9. Gibson Assembly Protocol

    Type
    Protocol
    ...two-part Gibson reaction if you're only making a small change in a plasmid (such as point mutations). Generate...T5 Exonuclease - creates single-strand DNA 3’ overhangs by chewing back from the DNA 5’ end. Complementary...England Biolabs by TelesisBio. Gibson DG, Young L, Chuang RY, Venter JC, Hutchison CA, Smith HO. (2009). ...
  10. Lentiviral Guide

    Type
    Guide
    ... Rev Envelope Plasmid Interchangeable: usually encodes for VSV-G Interchangeable: usually encodes for ...packaging plasmid(s) one envelope plasmid After media change and a brief incubation period, supernatant containing... lentivirus. What dictates lentiviral host cell range (tropism)? Lentiviral tropism is determined by the...production because it confers broad tropism over a range of species and cell types. For more information,... sites. For more information about cloning and changing a MCS, visit Addgene's Plasmid Reference and Protocol...lentiviral vectors through pseudotyping. Cronin J, Zhang XY, Reiser J. Curr Gene Ther. 2005. 5(4): 387-398...
  11. AAV Titration by qPCR Using SYBR Green Technology

    Type
    Protocol
    ...red were calculated using this plasmid, but will change if you use a different plasmid. Sample Calculation...dilutions 5–8 Note: at Addgene, samples typically range from 1 x 10 12 GC/mL to >2 x 10 13 GC/mL and we ...) ~ 1.0, E (efficiency of PCR) ~100% (90%–110% range is acceptable) Baseline removal: all samples will...
  12. Coomassie Purity Stain of Recombinant Antibodies

    Type
    Protocol
    ...drop down menu and select Scatter chart. Change the data range and select the cells where the x-axis is...Open . Choose the location of the file to open. Change the image type to 8-bit . Select Image . Select...
  13. Chemogenetics Guide

    Type
    Guide
    ...Link opens in a new window) Chen X, Choo H, Huang X-P, Yang X, Stone O, Roth BL, Jin J (2015). The First... DJ, Lee H-M, Sciaky N, Simmons A, Nonneman RJ, Huang X-P, Hufeisen SJ, Guettier J-M, Moy SS, Wess J, ..., Takuwa H, Hori Y, Oyama K, Ji B, Takahashi M, Huang X-P, Slocum ST, DiBerto JF, Xiong Y, Urushihata ...J, Inoue K, Kumata K, Seki C, Ono M, Shimojo M, Zhang M-R, Tomita Y, Nakahara J, Suhara T, Takada M, Higuchi... Haberman A, Graham J, Block J, Zhou W, Chen Y, Zhang S-C (2021). Human Stem Cell-Derived Neurons Repair...
  14. Isolating a Monoclonal Cell Population by Limiting Dilution

    Type
    Protocol
    ...the medium is acidified (i.e., the medium appears orange/yellow if using a standard phenol red pH indicator...control. 1 lentiCas9-Blast was a gift from Feng Zhang (Addgene plasmid #52962 ) and is described in Improved...libraries for CRISPR screening. Sanjana NE, Shalem O, Zhang F. Nature Methods. 2014 Aug;11(8):783-4. (Link opens...
Showing: 781 - 800 of 827 results