Patent ID: 11867631
Assignee: ONDAVIA, INC.
Field: Measurement (Instruments)
Classification: CPC G  B | IPC B  G

Claim 0:
1. A portable testing device comprising:
a. a housing, wherein said housing comprises a cartridge receiving port;
b. a cartridge for input to said cartridge receiving port, wherein said cartridge contains a mixture including a water sample comprising an analyte, Raman-scattering nanoparticles and a calibration solution, wherein said calibration solution comprises a chemical compound capable of interacting with the analyte and the Raman-scattering nanoparticles; and
c. an optical detection system in said housing, wherein said optical detection system is capable of providing an illuminated electric field, wherein said illuminating electric field is capable of being used for Raman spectroscopy with said Raman-scattering nanoparticles and said calibration solution to analyze said sample under test input to said cartridge,
wherein the chemical compound is selected from the group consisting of thiols, amines, silanes, polymeric particles, metallic particles, crown esters, cysteamine, cystamine, diethylaminethanethiol, mercaptopropionic acid, 1-propanethiol, octanethiol, octyldecanethiol, polystyrene, iron, and silica.