Go Contact Us Quick Order Home › Promotions › Savings on ExpiCHO and Expi293 Expression System Kits Jump-start your research with 49% off the Expi Expression System Kits and a free case of Nalgene flasks!* Use promotion code R2XP50 to receive 49% off list price on our Gibco ExpiCHO and Expi293 Expression System Kits and a free case (24 x 125 mL) of Nalgene Sterile Single-Use Erlenmeyer Flasks* Step 1: Add the ExpiCHO or Expi293 Expression System to your cart Step 2: Add Nalgene Sterile Single-Use Erlenmeyer Flasks to your cart Step 3: Apply your promotion code to receive your discount Promotion code expires December 31, 2017 Gibco ExpiCHO Expression System Maintain protein quality and function from research to bioproduction Switching from 293 to CHO cells during drug development may cost you precious time and create uncertainty. Now there’s a better way. The Gibco ExpiCHO Expression System provides the highest protein yields possible in a transient system. That means you can always work in CHO cells, starting from discovery. See the data Gibco Expi293 Expression System Trust the industry standard for rapid, high-yield transient HEK 293 expression Every minute counts when it comes to expressing drug candidates. That’s why the Gibco Expi293 Expression System is the tried-and-true choice for transient expression in 293 cells. This rapid, high- yield system allows you to access recombinant 293–derived proteins in just five to seven days, so you get what you need faster. See the data *Discount will apply to orders received by Life Technologies in US or Canada no later than December 31, 2017, or until promotional supplies are depleted—whichever comes first. To receive discount, customer must order the ExpiCHO Expression System Kit (Cat. No. A29133) or Expi293 Expression System Kit (Cat. No. A14635) plus a case of 125 mL Nalgene Sterile Single-Use Erlenmeyer Flasks (Cat. No. 4115-0125) and apply promotion code R2XP50. Customers can use the discount only once. Limit one per customer. Discount applies to a maximum of one kit per customer. Discount applies to the list price in effect at the time the order is received by Life Technologies. Cannot be combined with other discounts or promotions. Offer void where prohibited, licensed, or restricted by federal, state, provincial, or local laws, or regulation, or agency/institutional policy. Other restrictions may apply. For Research Use Only. Not for use in diagnostic procedures. Shopping Tool Product Selection Guides Quick Order Redeem a Quote Go New Products Promotions Mobile & Desktop Apps Shared Lists eSolutions eProcurement Supply Center Instrument Management Support Order Support Training Webinars Blog Social Media Contact Us Report a Site Issue Thermo Fisher Scientific About Us Careers Investors News Responsibility Trademarks Terms & Conditions Privacy Policy Price & Freight Policy View high-volume categories by: Popularity Our Choices Favorites Category Title View top sellers by: Popularity Favorites Price Brand Title View categories by: Popularity Our Choices Favorites Category Title Primary Antibodies Secondary Antibodies Isotype Controls View products by: Popularity Favorites Price Brand Title