Save 30% this summer on our range of Competent E. coli strains for cloning.

Advantages of NEB Competent Cells

  • High transformation efficiencies
  • Compatible with NEBuilder HiFi DNA Assembly and Gibson Assembly® reactions, as well as ligation reactions. No dilution required!
  • Strains also available for cloning toxic genes
  • All strains are free of animal products and are T1 phage resistant
  • Outgrowth medium and control plasmid are included
  • Choose from a variety of convenient formats, including single-use tubes
  • Bulk formats and custom packaging are available
  • Take advantage of value pricing and no dry ice charges!

Product Specialists that Go The Extra Mile

At Brennan & Co, we’re extremely proud to have some of the most hard working life science Product Specialists in the country as part of our team. Our product specialists are passionate not only about the life science products we provide, but they’re also passionate about providing quality support to their customers. At Brennan & Co we don’t believe in an anonymous box shipping/catalogue service, especially when it comes to products as important as those found within the life science industry. That’s why our Product Specialists will be there for you, should you need them.

When purchasing New England Bio-Labs cell cultures through Brennan & Co, you’ll also benefit from:

  • Working with a more personal supplier (We aren’t catalogue based & we don’t box ship).
  • Unrivalled technical support
  • Scientific advice based on expertise and our own research experience
  • A flexible & dynamic approach to identifying the best suited solutions for our customers 
  • Direct Shipping from Dublin which means short delivery times within the island of Ireland

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