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Showing: 841 - 860 of 900 results
  1. Molecular Biology Reference

    Type
    Guide
    ...contains several restriction enzyme sites, enabling easy insertion of DNA by restriction enzyme digestion...human genome. Digesting the human genome with restriction enzymes would yield about two million DNA fragments...plasmid. By the 1970s, the combined discoveries of restriction enzymes, DNA ligases, and gel electrophoresis...antibiotic resistance gene, and at least one unique restriction enzyme recognition site (Figure 2). These elements... not carrying the plasmid. Additionally, the restriction enzyme site(s) allow for the cloning of a DNA...digestion and ligation. As a general rule, the restriction sites in the MCS are unique and not located elsewhere... single stand is pulled through the pores. An electrical current runs through the porous membrane, and...
  2. Antibody Guide

    Type
    Guide
    ...light orange, that bind to a specific antigen, triggering an immune response. The stem of the Y structure...single antibody signal. Here, HRP is used as a colorimetric, in which the reaction produces a colored product...the amount of enzyme present in each well. In colorimetric assays, protein amount can be determined by ..., lyse, and then collect protein extract by centrifugation or affinity columns. Mix samples with a primary...immobilized on agarose or magnetic beads. Using centrifugation (for agarose beads) or a magnet (for magnetic... your samples using permeabilization, antigen retrieval, and/or sectioning. Block to reduce non-specific...tissue sections are assayed and the extracellular matrix remains intact. The signaling molecule may be a...
  3. Gamma-Retroviral Vector Guide

    Type
    Guide
    ...with most standard cloning methods, including restriction enzyme, Gibson Assembly, or Gateway. Some transfer...transfer plasmids may have limited restriction sites or may only be compatible with certain cloning methods...the viral particles is removed and stored or centrifuged to concentrate. Crude or concentrated virus can...gamma-retroviral vector purification by high-speed centrifugation for CAR T cell manufacturing. Molecular Therapy...structural protein of the retroviral particle containing matrix, capsid, and nucleocapsid components. pol in trans...Engineered for safety and efficiency. Credits Contributing Authors Written and reviewed by the Scientific...
  4. Guide to Using Pooled Libraries

    Type
    Guide
    ...Addgene currently does not distribute any shRNA libraries, but previously distributed the DECIPHER libraries... or identifying previously unknown genes that contribute to a phenotype. Pooled libraries consist of a...representing the majority of a genome, while others are restricted to certain gene sets. Pooled libraries can vary...selection mechanism Negative screens are a little trickier than positive screens. In a negative screen, the...
  5. CRISPR Guide

    Type
    Guide
    ...activity with endogenous cell-type specific miRNAs to restrict CRISPR editing only to the target tissue. Browse... Acidaminococcus sp. ). The popularity can be attributed to Cas12a’s many benefits. Cas12a exhibits increased... quantification and can be used on lateral flow strips. Other Cas enzymes can be added to SHERLOCKv2 to...encyclopedia of Class 2 CRISPR systems with wiki entries describing enzyme activity, experimental considerations...0178-9 PMID: 30377362 Casini, A., Olivieri, M., Petris, G., Montagna, C., Reginato, G., Maule, G., Lorenzin...s41576-018-0059-1 PMID: 30323312 Yan, J., Oyler-Castrillo, P., Ravisankar, P., Ward, C. C., Levesque, S..../j.cell.2013.02.022 PMID: 23452860 Savic, D., Partridge, E. C., Newberry, K. M., Smith, S. B., Meadows...
  6. Lentiviral Vector Guide

    Type
    Guide
    ...with most standard cloning methods, including restriction enzyme, Gibson Assembly, or Gateway. Some transfer...transfer plasmids may have limited restriction sites or may only be compatible with certain cloning methods...containing the viral vectors is removed and stored or centrifuged to concentrate. You can use crude or concentrated...structural protein of the lentiviral particle containing matrix, capsid, and nucleocapsid components. pol in trans...Engineered for safety and efficiency. Credits Contributing Authors Written and reviewed by the Scientific...
  7. Modular Cloning Guide

    Type
    Guide
    ...plasmid assembly, exploits the ability of Type IIS restriction enzymes BsaI and BpiI/BbsI to cut outside their...flanked with a standard overhang sequence at the restriction cut site, multiple modules with complementary...lipolytica Golden Gate tool kit Yeast Expression Tristan Rossignol 64 plasmids to assemble and integrate...Plasmids to perform genome engineering in Vibrio natriegens . TALE Toolbox Genome Engineering, TALEN Feng...
  8. Educational Resources

    Type
    Guide
    ...Learn about plasmids, sequencing, vectors, and restriction enzymes to assist with your molecular biology...Plasmid Cloning Creating Bacterial Glycerol Stocks Restriction Digests Guides Browse our in-depth instructional...
  9. Chemogenetics Guide

    Type
    Guide
    ...Selective Modulation of cAMP Production in Striatopallidal Neurons. Neuropsychopharmacol, 38 (5), 854–...10.1126/sciadv.aaw1567 PMID: 31001591 Credits Contributing Authors Written and reviewed by the Scientific...
  10. Plan Your Experiment

    Type
    Guide
    ... containing the gRNA scaffold using standard restriction-ligation cloning. However, the exact cloning ...Some prime and base edits Can be paired with restriction enzymes for further customization Usually paired...
  11. Science Guides

    Type
    Guide
    ... the majority of the genome, while others are restricted to certain gene sets. Read More Viral Vectors...
  12. Sequencing Primers

    Type
    Guide
    ...provided for your reference, Addgene does not distribute primers. To identify primers that may be useful...
  13. AAV Production in HEK293 Cells

    Type
    Protocol
    ...8000 (PEG) + 0.5 M NaCl Cell lysis buffer (50 mM Tris HCl, 150 mM NaCl, 2 mM MgCl2) Reagent Preparation...Aliquot and store at 4 °C. Cell Lysis Buffer : 50 mM Tris HCl, 150 mM NaCl, 2 mM MgCl 2 Add the following ... bottle: 1836 mL deionized water + 100 mL of 1 M Tris HCl pH 8.5 + 60 mL of 5 M Sodium Chloride + 4 mL...-Cap), plasmid expressing your gene of interest Triton X-100 Benzonase/DNAse I (Millipore 71205-3) 40%...tilting the CS5 back and forth. Pro-Tip To help distribute the media amongst the five layers, tilt the CS5...container. Gently pour new media into the CS5. Distribute the media evenly between the layers. Return the...PBS and add to the harvested media and cells. Centrifuge at 3900 rpm for 20 min at 4 °C to pellet the ...
  14. Handling Plasmids from Addgene - Purifying Plasmid DNA

    Type
    Protocol
    ...solutions: Solution I - Resuspension Buffer 25 mM Tris-HCl (pH 8) 50 mM glucose 10 mM EDTA Store Solution...towel for 5-20 min. Resuspend dry DNA with TE (10 mM Tris-HCl pH 8, 0.1 mM EDTA). Pro-Tip DNA resuspension...Last Update: Feb. 8, 2018 Equipment Desktop microcentrifuge Desktop vortexer Vacuum (optional) Reagents... (low copy plasmids require larger cultures). Centrifuge the culture to pellet the bacteria before proceeding...entire overnight culture cannot fit into a single centrifuge tube, aliquot it into several tubes/bottles. ...solution. Pellet the proteins and genomic DNA by centrifugation, and remove the plasmid-containing supernatant...the stock culture to a 1.75 mL microfuge tube. Centrifuge in microfuge tube at 10,000 g for 30 sec. Pour...
  15. Plasmid Modification by Annealed Oligo Cloning (with Protocols)

    Type
    Protocol
    ... should be resuspended in annealing buffer (10mM Tris, pH7.5-8.0, 50mM NaCL, 1mM EDTA) and mixed in equimolar... Annealed Oligo Cloning You may also like... Restriction Digest of Plasmid DNA DNA Ligation Bacterial ...this tutorial we will discuss how to add new restriction sites to the MCS of an empty vector. However,...design a set of oligos containing your desired restriction sites and add them to your existing vector. It...cloned directly into the overhangs generated by restriction digest of existing sites in the original vector...waiting for your oligos to arrive, conduct a restriction digest of 1μg of vector with EcoRI and SalI. ...
  16. Coomassie Purity Stain of Recombinant Antibodies

    Type
    Protocol
    ...SafeStain, Thermo Fisher, LC6060 4-12% NuPage Novex bis-tris mini gel, 1mm thick, 10-well, Invitrogen NP0321BOX... single channel pipette Pipette controller Microcentrifuge Electrophoresis chamber Power supply Rocking...VWR 89130-902 Gel loading tips, Corning 4853 Microcentrifuge tubes, Neptune 3745.X PBS, 1X pH 7.4, VWR 45000...each sample. Spin the sample briefly in the microcentrifuge. Heat the samples for 10 min at 100 °C in a...heat block. Spin the sample briefly in the microcentrifuge. Remove the gel from the plastic wrapper and...
  17. Kit Free RNA Extraction

    Type
    Protocol
    ...Sarkosyl) 0.1 M 2-mercaptoethanol TRIzol® or similar product such as TRI Reagent®, RNAzol®, QIAzol® (for...refrigerated centrifuge, you can carefully bring a centrifuge into a cold room for centrifugation. Once you...Equipment Refrigerated microcentrifuge If you only have a non-refrigerated microcentrifuge, see step 4 of either...above for the recipe). If using TRIzol®, jump down to the Option #2 - TRIzol® Protocol section below. Homogenize... -80°C. Option #2 - TRIzol® Protocol Homogenize or lyse tissues or cells in TRIzol® or a similar product...tissues: use 1 mL of TRIzol® per 100 mg of cells. For cultured cells: use 1 mL of TRIzol® per 1 X 10 7 cells...
  18. Centrifugation

    Type
    Protocol
    ...balanced tabletop centrifuge, with tubes evenly distributed around the rotor. How to Centrifuge Now that you...parts of a centrifuge, you’re ready to begin using the centrifuge. Determine the type of centrifuge needed...the centrifuge is balanced. Using the centrifuge in an unbalanced state can damage the centrifuge and ...features to keep in mind when using any centrifuge. However, each centrifuge may have specific instructions so...Sample to be centrifuged Water Background Information Front view of an open tabletop centrifuge with labels...found on almost any centrifuge. Types and Parts There are several types of centrifuges: Mini or Tabletop...on the centrifuge their speed ranges can vary, but are typically lower than some other centrifuge types...
  19. Protocol - How to Perform a Diagnostic Digest

    Type
    Protocol
    ...Diagnostic Restriction Digest Diagnostic Restriction Digest You may also like... Restriction Digest of ...another. A diagnostic restriction enzyme digest takes advantage of the fact that restriction enzymes cleave ...Orientation by Restriction Digest If you clone an insert into a vector by a single restriction enzyme, you...detailed protocols as well as tips and tricks see the Restriction Digest and Gel Electrophoresis pages....DNA Agarose Gel Electrophoresis Introduction Restriction enzymes are naturally occurring bacterial endonucleases...enzymes and the unique sites they recognize, restriction digests have become the most widely used method...cleave DNA at specific sequences called restrictions sites. Often, the size of the plasmid insert and vector...
  20. Molecular Biology Protocol - Restriction Digest of Plasmid DNA

    Type
    Protocol
    ... Protocols Restriction Digest of Plasmid DNA Restriction Digest...commonly used restriction enzymes, visit (Link opens in a new window) NEB . Restriction enzyme digestion...Procedure Select restriction enzymes to digest your plasmid. Pro-Tip To determine which restriction enzymes will...typical restriction digestion reaction could look like this: 1 µg DNA 1 µL of each Restriction Enzyme ...perform a restriction digest of plasmid DNA Protocols...from an Agarose Gel DNA Ligation Introduction Restriction enzyme digestion takes advantage of naturally...specific sequences. There are hundreds of different restriction enzymes, allowing scientists to target a wide...
Showing: 841 - 860 of 900 results