Materials and Methods for the Photodirected Synthesis of Oligonucleotide Arrays
申请人:Serafinowski Pawel Jerzy
公开号:US20090270279A1
公开(公告)日:2009-10-29
Materials and Methods for photodirected synthesis of oligonucleotide arrays on a solid substrate by photodirected synthesis are disclosed which employ a film formed from (i) a photoacid generator that on photolysis generates acid that is capable of directly removing the protecting group of the linker molecules or oligonucleotides and (ii) a polymer substantially lacking electronegative heteroatoms that are capable of hydrogen bonding with photogenerated acid. Methods of synthesizing an oligomer arrays are also described that use a film that restricts diffusion of reactants and products on the substrate during synthesis of the array and which includes a precursor of a deprotecting reagent. The method involves removing one or more of the non-required products of the deprotection reaction from the reactive array elements at which they are produced during the reaction, in order to displace the deprotection reaction towards completion.
US7956011B2
申请人:——
公开号:US7956011B2
公开(公告)日:2011-06-07
Substituted 2-nitrobenzyltrichloroacetate esters for photodirected oligonucleotide detritylation in solid films
作者:Pawel J. Serafinowski、Peter B. Garland
DOI:10.1039/b806902f
日期:——
Oligonucleotide microarray fabrication by chemical synthesisusing photoacid generators in solid films could have advantages over existing methods, but has not matched the accuracy of conventional synthesis where detritylation is performed with acidsolutions. To address this problem, we explored the kinetics and equilibria of nucleoside detritylation in solid films, using trichloroacetic acid (TCA)