Polymer gel contact masks and methods and molds for making same
First Claim
Patent Images
1. A patterning transfer element comprising a polymer gel, where the polymer gel comprises a crosslinked HEMA copolymer;
- and where the patterning transfer element has surface features that are elevated portions or recessed portions so as to allow for the patterning of biological materials by the patterning transfer element.
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Abstract
The present invention relates to elastomeric contact masks, and methods of making these contact masks by complementary molding using complementary molds. The contact masks are made of polymer gels, including hydrogel materials. The complementary molds of the present invention include at least one elastomeric half mold. Also disclosed are methods of continuous complementary molding.
105 Citations
28 Claims
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1. A patterning transfer element comprising a polymer gel, where the polymer gel comprises a crosslinked HEMA copolymer;
- and where the patterning transfer element has surface features that are elevated portions or recessed portions so as to allow for the patterning of biological materials by the patterning transfer element.
- View Dependent Claims (2, 3, 4)
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5. A contact mask comprising a polymer gel and having holes or cavities with a cross-sectional area of from approximately 1 μ
- m2 to approximately 2 mm2.
- View Dependent Claims (6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A hydrogel contact mask where the hydrogel comprises polymer chains of polyHEMA and the polymer chains are co-polymers of HEMA, a hydrophobic monomer and, optionally, a crosslinking agent and where the contact mask has surface features that are elevated portions or recessed portions so as to allow for the patterning of biological materials by the contact mask.
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21. A hydrogel contact mask wherein the hydrogel comprises polymer chains of polyHEMA and the polymer chains are block co-polymers of HEMA and a biodegradable polymer and where the contact mask has surface features that are elevated portions or recessed portions so as to allow for the patterning of biological materials by the contact mask.
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22. A patterning transfer element comprising a polymer gel where the polymer gel comprises a HEMA copolymer and where the patterning transfer element has surface features that are elevated portions or recessed portions so as to allow for the patterning of biological materials by the patterning transfer element.
- 23. A contact mask comprising a polymer gel wherein the polymer gel comprises a HEMA copolymer and where the contact mask has surface features that are elevated portions or recessed portions so as to allow for the patterning of biological materials by the contact mask.
- 25. A contact mask comprising a polymer gel with a surface having a pattern of cavities complementary to an ordered array of posts in a half mold used to produce the contact mask.
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28. A contact mask having a top and a bottom surface comprising a pattern of cavities in both the top and bottom surfaces where the cavities in the top surface are complementary to an ordered array of posts in a first half mold used to produce the contact mask and where the cavities in the bottom surface are complementary to an ordered array of posts in a second half mold used to produce the contact mask.
Specification