Toyota Motor Engineering & Manufacturing North America, Inc.

Toyota Motor Corporation

University of Minnesota

The University of Akron

Toyota Jidosha Kabushiki Kaisha

The University of Texas System

University of Massachusetts

University of Notre Dame Du Lac

Hongfei Jia

Minjuan Zhang

Masahiko Ishii

Songtao Wu

Ping Wang

Andreas Buthe

Hisao Kato

Chen Ling

Li Qin Zhou

Liting Zhang

Xueyan Zhao

Kan Huang

Krishna R Gunugunuri

Xiaodong Tong

Archana H Trivedi

Torin C Peck

Zhenmeng Peng

Kenneth James McDonald

Xiaochen Shen

Debasish Banerjee

Joan F Brennecke

Tomoyuki Nagai

Oscar Morales Collazo

Darrell H Reneker

Liang Kai Wang

Charles Alexander Roberts

Paul Timothy Fanson

Naoki Nakamura

Ruigang Zhang

Derek R Lovley

Keiichi Minami

Masaya Kobayashi

Mitsuru Sakano

Kelly P Nevin

Wei Song

Takeshi Sekito

Ravindrabharathi Narayanan

Guangyu Zhu

Kecheng Wei

Liang Wang

Yuta Ikehata

Bioactive coatings that include a base and a protein associated with the base for actively promoting the removal of organic stains are provided. In aspects, bioactive coatings that are stabilized against inactivation by weathering are provided including a base associated with a chemically modified enzyme, and, optionally a first polyoxyethylene present in the base and independent of the enzyme. The coatings are optionally overlayered onto a substrate to form an active coating facilitating the removal of organic stains or organic material from food, insects, or the environment.

Compositions for facilitating the removal of a fingerprint

A liquid bioactive composition is provided that includes an enzyme with enzymatic activity toward a component of a biological stain. Also provided is a process for facilitating the removal of a biological stain is provided wherein the enzyme in the liquid bioactive coating material is capable of enzymatically degrading of one or more components of the biological stain to facilitate biological stain removal from a substrate.

Compositions for facilitating biological stain removal

Provided are methods and compositions for self-cleaning that include a digestive protein capable of decomposing stain forming molecules, a substrate applied to a solid surface, and a linker moiety bound to an outer surface of said substrate and an active group of said digestive protein, said linker moiety between said protein and said substrate and covalently linking said protein to a surface of said substrate by an amide bond, the linker moiety between a free amine of said protein and said outer surface of said substrate wherein the digestive protein forms a layer on a surface of said substrate such that the digestive protein is surface exposed for reaction with a stain.

Biofunctional materials

Bioactive protein-polymer compositions for stain removal

A fuel cell catalyst for oxygen reduction reactions including Pt—Ni—Cu nanoparticles supported on nitrogen-doped mesoporous carbon (MPC) having enhanced activity and durability, and method of making said catalyst. The catalyst is synthesized by employing a solid state chemistry method, which involves thermally pretreating a N-doped MPC to remove moisture from the surface; impregnation of metal precursors on the N-doped MPC under vacuum condition; and reducing the metal precurors in a stream of CO and Hgas mixture.

Fuel cell cathode catalyst

Bioactive coatings that are stabilized against inactivation by weathering are provided including a base associated with a chemically modified enzyme capable of enzymatically degrading a component of an organic stain, optionally a lipase or a lysozyme, and optionally a first polyoxyethylene present in the base and independent of the enzyme. The coatings are optionally overlayered onto a substrate to form an active coating facilitating the removal of organic stains or bacterial organic material.

Coatings containing polymer modified enzyme for stable self-cleaning of organic stains

Disclosed herein are membrane-electrode assemblies and fuel cells comprising an anode comprising a first catalyst; a cathode comprising a second catalyst; and a proton exchange membrane between the anode and cathode; wherein at least one of the proton exchange membrane, anode, and cathode comprise an antioxidant comprising yttrium doped cerium oxide and a metal doped cerium oxide that has a faster release time of cerium ions compared to yttrium doped cerium oxide.

Antioxidant for fuel cells to improve durability

Methods of facilitating removal of a fingerprint

A dimeric ionic liquid that enhances and improves the performance and durability of a fuel cell catalyst. The dimeric ionic liquid comprises 1,1-(butane-1, 4-diyl)bis(9-methyl-3,4,6,7,8,9-hexahydro-2H-pyrimido[1,2-a]pyrimidin-1-ium 1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulfonate. Membrane electrode assemblies (MEAs) and polymer electrolyte membrane fuel cells (PEMFCs) employing the dimeric ionic liquid are also disclosed.

Ionic liquid to enhance performance and durability of membrane assembly electrode (MEA)

A protonated dimeric ionic liquid that enhances and improves the performance of a fuel cell catalyst. The protonated dimeric ionic liquid comprises 9'9&#x2032;-(butane-1,4-diyl)bis(3,4,6,7,8,9-hexahydro-2H-pyrimido[1,2-a]pyrimidin-1-ium) 1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulfonate. Membrane electrode assemblies (MEAs) and polymer electrolyte membrane fuel cells (PEMFCs) employing the protonated dimeric ionic liquid are also disclosed.

Protonated dimeric ionic liquid to enhance performance of membrane assembly electrode (MEA)

A fuel cell catalyst for oxygen reduction reactions including Pt&#x2014;Ni&#x2014;Cu nanoparticles supported on nitrogen-doped mesoporous carbon (MPC) having enhanced activity and durability, and method of making said catalyst. The catalyst is synthesized by employing a solid state chemistry method, which involves thermally pretreating a N-doped MPC to remove moisture from the surface; impregnation of metal precursors on the N-doped MPC under vacuum condition; and reducing the metal precursors in a stream of CO and Hgas mixture.

A substrate or coating is provided that includes a protease with enzymatic activity toward a component of a biological stain. Also provided is a process for facilitating the removal of a biological stain is provided wherein an inventive substrate or coating including a protease is capable of enzymatically degrading of one or more components of the biological stain to facilitate biological stain removal from the substrate or said coating.

Bioactive coatings that are stabilized against inactivation by weathering are provided including a base associated with a chemically modified enzyme, and, optionally a first polyoxyethylene present in the base and independent of the enzyme. The coatings are optionally overlayered onto a substrate to form an active coating facilitating the removal of organic stains or organic material from food, insects, or the environment.

Growing community of inventors

Ann Arbor, MI, United States of America

Hongfei Jia