Surface treatment for cell culture
US10647953B2 · kind B2 · utility
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22Claims
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Key dates
| Filing date | Jan 25, 2016 |
| Grant date | May 12, 2020 |
| Priority date | — |
| Expiry date | Nov 14, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12M25/02
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
An article suitable for inducing quasispherical cell clustering is provided. The article comprising: a layer suitable for culturing quasispherical cell clusters, the layer comprising a bulk region comprising an interpenetrating network of at least one predominantly positively charged polyelectrolyte and at least one predominantly negatively charged positive polyelectrolyte, a back surface region, and a front surface region, wherein the front surface region comprises a net negative fixed surface charge density of between about 0.4 micromole per m2 and about 1.5 micromole per m2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.