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Oligonucleotide Synthesis

Gene Synthesis & Molecular Biology

Sanger Sequencing

Next Generation Sequencing

Genotyping & Gene Expression



Frequently Asked Questions About Our Products And Services

Which quality controls do you perform?

OD measurement

The final yield of an oligo is determined by measuring the OD (Optical Density) values. One OD260 unit of DNA is the amount of DNA that gives an absorbance reading of 1.0 at a wavelength of 260 nm, for a sample dissolved in 1.0 ml total volume of ddH20 which is read in a 1 cm quartz cuvette. 1 OD260 corresponds to approx. 33 µg/ml of single stranded DNA, depending on the GC content.


To ensure the identity and qualitative purity of each and every synthesised oligonucleotide, we use the latest generation of Sequenom MALDI-TOF (Matrix Assisted Laser Desorption Ionisation - Time of Flight) mass spectrometers. The high grade of automation and the use of proprietary software to analyse the spectra ensures that we deliver oligonucleotides of highest quality.