Effectively knock down gene expression using our proprietary Silencer® Select siRNA systems and Stealth RNAi™ siRNA or analyze miRNA function with mirVana™ miRNA mimics and inhibitors. We offer a suite of Life Technologies™ premier brands including Ambion®, TaqMan®, Invitrogen™, and Lipofectamine® to make gene expression faster and knock downs more efficient. We offer also products for RNAi analysis in vitro and in vivo, including libraries for high-throughput applications, transfection reagents, and ORF & cDNA clones. Your choice of tool depends on your model system, the length of time you require knockdown, and other experimental parameters.

We offer Life Technologies™ products for:


Search the more than 200,000 Ambion® siRNAs and over 2,000 mirVana™ miRNA mimics and inhibitors


Effective reagents for delivery of plasmid DNA, siRNA, RNAi duplexes, oligonucleotides, and RNA into eukaryotic cells.

ORF Clones/Clone Collections

Human, mouse, rat, and yeast clones for a wide range of applications.

cDNA & cDNA Libraries

PCR-ready first-strand cDNAs, RACE kits, genomic DNA libraries, and cDNA library construction kits.

Gene Synthesis

Synthesis, cloning, and verification of virtually any desired genetic sequence delivered ready for downstream applications

Grounded in science

As a brand of Thermo Fisher Scientific, Life Technologies believes in the power of science to transform lives. To support scientists worldwide, we offer high-quality, innovative life science solutions—from everyday essentials to instruments—for every lab, every application. All from the most cited product brands.

At a glance:

  • 50,000+ products
  • 5,000+ patents & licenses
  • 675,000+ citations

Looking for help?

Our award-winning technical service group is your resource for products, techniques, troubleshooting, and applications.