The chemical process by which nucleotides are selectively joined to generate the desired sequencing result is known as oligonucleotide synthesis.
Oligonucleotides can be framed either enzymatically through cleavage of bigger biomolecules or through designated compound synthesis. In the last case, organonucleotide synthesis is the substance cycle by which nucleoside phosphoramidites – a key monomeric component of oligonucleotides – are orchestrated. Nucleoside phosphoramidites (otherwise called nucleosides or amidites) themselves are subsidiaries of normal or engineered nucleosides. Nucleotides, accordingly, are compound atoms comprising of a covalently connected nucleoside and a phosphate bunch. Nucleotides are connected in a particular arrangement to frame the ideal item. Along these lines, oligonucleotides comprise of short sections of nucleic acids that are connected together shaping single-chain organic polymers ("- mers"). Since most oligonucleotides (oligos) ordinarily comprise of up to 20 connected nucleotides (however more are conceivable), they can be considered as little biopharmaceutical atoms. Oligonu