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    Do you need a faster, more reliable solution for DNA fragmentation and library construction? Our new NEBNext® Ultra™ II FS DNA Library Prep Kit with novel fragmentation reagent meets the dual challenge of generating high quality next gen sequencing libraries from ever-decreasing input amounts AND simple scalability. Learn more and request a sample!
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    Contact Information

    240 County Road
    Ipswich, MA 01938-2723
    978-927-5054
    (Toll Free) 1-800-632-5227
    Fax: 978-921-1350
    Info@neb.com
  • Applications & Products
    • Applications

    • Cloning & Synthetic Biology
    • DNA Amplification, PCR and qPCR
    • Genome Editing
    • RNA Analysis
    • Sample Prep for NGS & Target Enrichment
    • Epigenetics
    • Protein Expression & Purification
    • Protein Analysis & Tools
    • Glycobiology & Proteomics
    • Cellular Analysis
    • Product Categories

    • Restriction Endonucleases
    • PCR, qPCR & Amplification Technologies
    • DNA Modifying Enzymes
    • Sample Prep for NGS & Target Enrichment
    • Nucleic Acid Purification
    • Markers & Ladders
    • RNA Reagents
    • DNA Assembly, Cloning and Mutagenesis Kits
    • Genome Editing
    • Cellular Analysis
    • Epigenetics
    • Protein Expression & Purification Technologies
    • Competent Cells
    • Protein Tools
    • Glycobiology
    • DNA Plasmids & Substrates
    • Buffers
    • Strains
    • Discontinued
    newNew Products
    newSpecial Offers

    Product Price List

    Download a PDF containing pricing for our full product list.

    You’ll be Thrilled to Pieces

    Do you need a faster, more reliable solution for DNA fragmentation and library construction? Our new NEBNext® Ultra™ II FS DNA Library Prep Kit with novel fragmentation reagent meets the dual challenge of generating high quality next gen sequencing libraries from ever-decreasing input amounts AND simple scalability. Learn more and request a sample!
  • Tools & Resources
    • Tools

    • NEBNext® Selector
    • NEBcloner®
    • NEBioCalculator®
    • Thermostable Ligase Reaction Temperature Calculator
    • NEBuilder®Assembly Tool
    • Enzyme Finder
    • Double Digest Finder
    • NEBcutter®
    • REBASE®
    • DNA Sequences and Maps Tool
    • Tm Calculator
    • PCR Fidelity Estimator
    • PCR Selector
    • PolBase®
    • NEB Golden Gate Assembly Tool
    • NEBaseChanger®
    • NEBnow Locator
    • Read Coverage Calculator
    • Competitor Cross Reference
    • Resources

    • FAQs
    • Protocols
    • Selection Charts
    • Troubleshooting Guides
    • Usage Guidelines/Tips
    • Interactive Tools
    • Video Library
    • Webinars
    • Application Notes
    catalogOrder Catalog

    Free Shipping

    Save time and money by placing an order with NEB. Take advantage of free shipping for any order totaling over $350. Place your order before 8pm EST for overnight delivery.
  • Support
    • Technical Support
    • US Customer & Order Support
    • International Ordering & Support
    • Customer Suggestions & Feedback
    • Find My Local US Sales Representative
    • New Lab/BioTech Discount
    • Catalog & Request Literature
    • NEBnow® Freezer Program
    • NEBsolutions® / OEM
    • Biotech Support
    • Student Services & Materials
    • Packaging & Shipping
    • Quality Assurance
    icon-cta-feedbackCustomer Suggestions & Feedback
    icon-cta-tech-supportTechnical Support

    Contact Information

    240 County Road
    Ipswich, MA 01938-2723
    978-927-5054
    (Toll Free) 1-800-632-5227
    Fax: 978-921-1350
    Info@neb.com
  • About
    • NEB Overview
    • News & Press Releases
    • Leadership
    • Research at NEB
    • Environmental Commitment
    • Quality at NEB
    • ISO Certification
    • Passion in Science Award
    • Business Development Opportunities
    • Careers
    • Contact Us

    Contact Information

    240 County Road
    Ipswich, MA 01938-2723
    978-927-5054
    (Toll Free) 1-800-632-5227
    Fax: 978-921-1350
    Info@neb.com
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Test

Test

Demo Category

Are some ligations more difficult than others?

Whether DNA fragments have blunt ends or single-base overhangs, Greg explains why they can be difficult to ligate.
May-11-2017
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