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New Site Launched: Looking for oligos? Visit our new oligo and Stellaris dedicated platform at oligos.biosearchtech.com
 
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PrimeMax™ siRNA CPG

A new era in CPG is here. This optimised CPG platform redefines performance standards in siRNA synthesis.

  • Faster, more efficient production
  • Optimised pore size & surface area normalised loading (SANL)
  • Improved synthesis outcomes
  • Enhanced purity and stability
Enquire today

sbeadex Lightning Livestock DNA Kit

Rapid and simple purification of high-quality DNA from livestock samples

  • High-quality, high-yield DNA

  • Efficient & scalable processing

  • Cost effective

  • Eco-friendly & ready-to-use

Claim your trial kit

sbeadex Lightning Plant (HTP) DNA Kit

Fast, high-quality DNA purification from leaves and seeds

  • High-quality, high-yield DNA
  • Fast 3-step, 5-minute protocol
  • Eco-friendly & ready-to-use
Request your trial kit

PCR Forge assay design software

  • A powerful tool for fast and reliable probe and primer design

  • For PCR, qPCR and genotyping assays

  • Explore batch and multiplex design modes

Design your probes

Critical materials for RNA synthesis

  • Go-to supplier for RNase R
  • ISO-13485 manufacturing facilities
  • Broad enzyme selection with custom options
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What's new

  • New white paper on lipophilic modifications for targeted nucleic acid therapeutic delivery.

    Download today

  • Choose the best probe type for your assay

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  • Looking for consumables or reagents? Explore our genomics portfolio on our sister site.

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January 28, 2026 @ 4:15 PM

Know Your Oligo Mod: 5' and 3' phosphate groups

Phosphate groups are one of the most popular modifications for our custom oligos. In this Know Your Oligo Mod blog post, we’ll explore how adding phosphates to either end of the oligonucleotide can dramatically alter its behaviour for molecular diREAD MORE

Custom oligo synthesis

  • 9+ probe types
  • 1000+ modifications
  • 40+ years of experience

Design software

Access our online design tools to craft optimal probes and primers for real-time PCR and RNA FISH (fluorescence in situ hybridization).

Start design

Ask a Scientist

Have a technical question about our products or supported applications? LGC Biosearch scientists are here to offer assistance.

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Videos

Watch webinars and videos related to applications based on real-time PCR, SNP genotyping, and in situ hybridization.

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Education

Browse our educational resources providing support in applications and technologies such as SNP genotyping, multiplexing qPCR, DNA synthesis, and oligo modifications.

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Events

Check out calendar of upcoming events such as webinars and trade shows.

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Biosearch technologies

For over 40 years, Biosearch Technologies has developed and supplied advanced diagnostics to support global healthcare. We offer end-to-end solutions from design to commercialisation, specialising in infectious diseases, oncology, prenatal testing, and more.

Operating under cGMP standards, we ensure high-quality, GMP-compliant products tailored to customer needs, including oligos and diagnostic kits, while meeting regulatory standards like GMP, GLP, and ISO certifications for seamless compliance and quality assurance.

80+

Patents supporting genomics & critical research

17k+

Products

20k+

Clinical application areas