Reversible surface functionalization
First Claim
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1. A method for reversibly immobilizing a biological molecule to a surface of a substrate, comprising:
- providing a biological molecule covalently bonded to a host molecule, said host molecule comprises a hydrophilic portion and a hydrophobic portion, wherein the biological molecule comprises a primer oligonucleotide and wherein said host molecule comprises an optionally substituted cyclodextrin or a derivative thereof;
providing a substrate having a surface comprising functionalized silane covalently attached thereto, wherein the functionalized silane comprises a guest moiety that can form a host-guest complex with the host molecule;
contacting the biological molecule with the functionalized silane such that the biological molecule is immobilized to the surface through the host-guest reversible interaction between the functionalized silane and the host molecule; and
generating a clustered array of polynucleotides from the primer oligonucleotide.
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Abstract
Some embodiments described herein relate to a substrate comprising a silane functionalized surface for reversibly immobilizing a biological molecule of interest, such as oligonucleotides, polynucleotides, or protein. Methods for immobilizing the biological molecule and the use in DNA sequencing and other diagnostic applications are also disclosed.
74 Citations
19 Claims
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1. A method for reversibly immobilizing a biological molecule to a surface of a substrate, comprising:
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providing a biological molecule covalently bonded to a host molecule, said host molecule comprises a hydrophilic portion and a hydrophobic portion, wherein the biological molecule comprises a primer oligonucleotide and wherein said host molecule comprises an optionally substituted cyclodextrin or a derivative thereof; providing a substrate having a surface comprising functionalized silane covalently attached thereto, wherein the functionalized silane comprises a guest moiety that can form a host-guest complex with the host molecule; contacting the biological molecule with the functionalized silane such that the biological molecule is immobilized to the surface through the host-guest reversible interaction between the functionalized silane and the host molecule; and generating a clustered array of polynucleotides from the primer oligonucleotide. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method for reversibly immobilizing a biological molecule to a surface of a substrate, comprising:
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providing a biological molecule covalently bonded to a host molecule, said host molecule comprises a hydrophilic portion and a hydrophobic portion; providing a substrate having a surface comprising functionalized silane covalently attached thereto, wherein the functionalized silane comprises a guest moiety that can form a host-guest complex with the host molecule; contacting the biological molecule with the functionalized silane such that the biological molecule is immobilized to the surface through the host-guest reversible interaction between the functionalized silane and the host molecule, wherein the guest moiety of the functionalized silane comprises norbornene. - View Dependent Claims (18, 19)
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Specification