The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 12, 2020
Filed:
Jan. 25, 2016
The Florida State University Research Foundation, Inc., Tallahassee, FL (US);
Joseph B. Schlenoff, Tallahassee, FL (US);
Carlos Arias, Tallahassee, FL (US);
The Florida State University Research Foundation, Inc., Tallahassee, FL (US);
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 mand about 1.5 micromole per m.