	US 12,460,242 B2
	Ethylene oxide absorption layer for analyte sensing and method
Robert McKinlay, West Hills, CA (US); Chi-En Lin, Encino, CA (US); and Tri T. Dang, Winnetka, CA (US)
Assigned to MEDTRONIC MINIMED, INC., Northridge, CA (US)
Filed by Medtronic MiniMed, Inc., Northridge, CA (US)
Filed on Nov. 2, 2023, as Appl. No. 18/500,708.
Application 18/500,708 is a division of application No. 16/725,957, filed on Dec. 23, 2019, granted, now 11,821,022.
Prior Publication US 2024/0060111 A1, Feb. 22, 2024
Int. Cl. C12Q 1/00 (2006.01); A61L 2/20 (2006.01); A61L 2/232 (2006.01); C12Q 1/32 (2006.01)

CPC C12Q 1/006 (2013.01) [A61L 2/206 (2013.01); A61L 2/232 (2013.01); C12Q 1/32 (2013.01)]

14 Claims

1. A method for sterilizing a biosensor, comprising:

providing an analyte biosensing layer and a sterilization absorption layer over the analyte biosensing layer in a stack of layered materials in the biosensor, wherein the analyte biosensing layer comprises a glucose oxidase layer comprising a deactivated glucose oxidase layer and an active glucose oxidase layer;

exposing the sterilization absorption layer to organic compounds comprising one of enzymes and proteins; and

binding ethylene oxide with the sterilization absorption layer.