公开(公告)号：US20240270972A1

公开(公告)日：2024-08-15

申请号：US18646339

申请日：2024-04-25

Applicant: Xerox Corporation

Inventor： Krishnan Thyagarajan ,  Dogan Timucin ,  Stephen Matthew Meckler

IPC: C09C1/00 ,  C09C1/36 ,  G02B5/22

CPC classification number: C09C1/0087 ,  C09C1/3676 ,  G02B5/223 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2006/22

Abstract: A particle is provided that includes a first material and a second material, arranged to provide a Fano resonance effect, for example in the visible portion of electromagnetic spectrum. The first and second materials may be substantially clear in the visible portion of the electromagnetic spectrum. The first material may include an inorganic material, such as SiO2, TiO2, HfO2, ZrO2, diamond, or a combination thereof. The second material may include a polymer. The first material has a first refractive index and the second material has a second refractive index, where the first refractive index and second refractive index have a difference of 0.5 or greater, and 1.0 or less. The first material may form a core and the second material may form a shell surrounding the core. Alternatively, the first and second materials may form a Janus particle, an asymmetric dimer, or an aggregate.

公开(公告)号：US20240003922A1

公开(公告)日：2024-01-04

申请号：US18199656

申请日：2023-05-19

Applicant: XEROX CORPORATION

Inventor： Gabriel Iftime ,  Fatemeh Ostadhossein ,  Sean Emerson Doris ,  Stephen Matthew Meckler ,  Mahati Chintapalli

IPC: G01N33/94 ,  G01N33/52

CPC classification number: G01N33/948 ,  G01N33/521

Abstract: A polymeric gel incorporating a diazonium salt for detection of THC. The diazonium salt may be covalently attached to the polymer, or non-covalently distributed throughout the polymer. The polymeric gel may be formulated as a spot on a test strip to be used for drug testing. The drug may include THC. Methods of preparing a polymerizable diazonium salt precursor, called an amino aryloxyl monomer, as well as methods of preparing a polymeric gel incorporating a diazonium salt.