公开(公告)号：US20180285711A1

公开(公告)日：2018-10-04

申请号：US15942418

申请日：2018-03-30

Applicant: MASSACHUSETTS INSTITUTE OF TECHNOLOGY

Inventor： Timothy Manning Swager ,  Rong Zhu ,  Maude Desroches ,  Bora Yoon

IPC: G06K19/077 ,  G06K19/07

CPC classification number: G06K19/07771 ,  G01N27/127 ,  G06K19/0723 ,  Y02P70/521

Abstract: A tag for detecting an analyte can include a radio frequency identification tag including a sensor portion, the sensor portion configured to change resistivity when the radio frequency identification tag contacts or interacts with an analyte, whereby the resistivity change alters an output of the radio frequency identification tag, wherein the sensor portion includes a circuit, and wherein the sensor portion is configured to activate the circuit or deactivate the circuit when contacted or having interacted with the analyte, wherein the sensor portion includes a conductive material associated with a polymer complex.

公开(公告)号：US20180224443A1

公开(公告)日：2018-08-09

申请号：US15453217

申请日：2017-03-08

Applicant: MASSACHUSETTS INSTITUTE OF TECHNOLOGY

Inventor： Timothy Manning Swager ,  Joseph Michael Azzarelli ,  Shinsuke Ishihara

IPC: G01N33/543 ,  G01N21/78 ,  G01N21/21 ,  G01N21/64 ,  G06K19/07

CPC classification number: G01N33/54386 ,  G01N21/21 ,  G01N21/6428 ,  G01N21/78 ,  G06K19/07 ,  G06K19/0717 ,  G06K19/0723

Abstract: A tag for detecting an analyte can include a radio frequency identification tag including a sensor portion, the sensor portion configured to change resistivity when the radio frequency identification tag contacts or interacts with an analyte, whereby the resistivity change alters an output of the radio frequency identification tag, wherein the sensor portion includes a circuit, and wherein the sensor portion is configured to activate the circuit or deactivate the circuit when contacted or having interacted with the analyte, where the sensor portion includes a plurality of carbon nanotubes associated with a chemically-degradable polymer. In certain embodiments, the chemically degradable polymer can be a metallo-supramolecular polymer.

公开(公告)号：US20170322167A1

公开(公告)日：2017-11-09

申请号：US15586466

申请日：2017-05-04

Applicant: MASSACHUSETTS INSTITUTE OF TECHNOLOGY

Inventor： Timothy Manning Swager ,  Sophie Liu ,  Bora Yoon

IPC: G01N27/12 ,  B82Y30/00 ,  B82Y15/00 ,  C08F38/02 ,  B82Y40/00 ,  G01N27/416 ,  C08L39/04

Abstract: A sensor can include a conductive region in electrical communication with at least two electrodes, the conductive region can include a composite of a polymer and SWCNTs immobilized onto a substrate. In certain embodiment, a linker can be grafted on the substrate. The linker can connect the substrate and the composite of the polymer and SWCNTs. In certain embodiments, the linker can covalently bond the polymer to the substrate. In certain embodiments, metal nanoparticles or ions can be incorporated as a metal sensitizer to confer further selectivity or sensitivity to the device. In certain embodiments, the polymer can act as a ligand for a variety of metal ions. By incorporating a specific metal ion, the sensor can selectively detect a specific analyte. In certain embodiments, the composite of the polymer and SWCNTs can be functionalized. In certain embodiments, the composite can further include a sensing element.