# US 10,118,172 B2 · Fluid analysis cartridge and fluid analysis apparatus having the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,118,172 B2 - Document ID: US10118172B2 - Status: Granted - Kind: B2 - Application number: 15/362,953 - Filed: 2016-11-29 - Published: 2017-07-06 - Granted: 2018-11-06 - Earliest claimed: 2016-01-06 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Jeo Young Shim; Jong Myeon Park; Jae Sung Lee; Do Gyoon Kim; Young Seop Seong; Yeong Bae Yeo; Hae Seok Lee; Kyu Youn Hwang - Web page: https://patentgrep.com/patent/US10118172B2 ## CPC - B01L 3/502715: {characterised by interfacing components, e.g. fluidic, electrical, optical or mechanical interfaces} - B01L 2200/143: Quality control, feedback systems - B01L 2200/16: Reagents, handling or storing thereof - B01L 2300/021: Identification, e.g. bar codes - B01L 2300/0663: Whole sensors - B01L 2300/0864: comprising only one inlet and multiple receiving wells, e.g. for separation, splitting - B01L 2300/168: Specific optical properties, e.g. reflective coatings - B01L: CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE ## Abstract A fluid analysis cartridge includes a reference well including a macromolecular coloring reagent having an optical characteristic that varies according to a thickness of the reference well, and a test well including a test reagent having an optical characteristic that varies according to a concentration of a component of a fluid sample that reacts with the test reagent and a thickness of the test well. ## Claims ### Claim 1 A fluid analysis cartridge comprising: a first sheet comprising at least one area to which light is irradiated, a second sheet comprising: a reference well comprising a macromolecular coloring reagent having an optical characteristic that varies according to a thickness of the reference well; and a test well comprising a test reagent having an optical characteristic that varies according to each of a thickness of the test well and a concentration of a component of a fluid sample that reacts with the test reagent, a third sheet, wherein the first sheet is attached to a first side of the second sheet and the third sheet is attached to a second side of the second sheet, wherein the light passes from the second sheet toward the third sheet, wherein the macromolecular coloring reagent is accommodated in an area of the second sheet corresponding to the reference well, and wherein the test reagent for testing the fluid sample is accommodated in another area of the second sheet corresponding to the test well. ### Claim 2 (depends on 1) The fluid analysis cartridge according to claim 1, wherein the optical characteristic of the macromolecular coloring reagent includes a light absorbance. ### Claim 3 (depends on 1) The fluid analysis cartridge according to claim 1, wherein the macromolecular coloring reagent includes macromolecular material and a coloring reagent which has sensitivity to the thickness of the reference well, wherein sensitivity to the thickness of the reference well is determined based on an absorbance variation of the coloring reagent. ### Claim 4 (depends on 3) The fluid analysis cartridge according to claim 3, wherein the macromolecular material includes at least one selected from the group consisting of phenyl vinyl ketone (PVK) and poly vinyl chloride (PVC). ### Claim 5 (depends on 3) The fluid analysis cartridge according to claim 3, wherein the coloring reagent includes at least one selected from the group consisting of pyrene, acridine, methylene blue, acridine-orange, texas red, cyanine, and azo compound, the cyanine including cy3 and cy5. ### Claim 6 (depends on 1) The fluid analysis cartridge according to claim 1, further comprising a tag including information about at least one of a component and a concentration of the macromolecular coloring reagent comprised in the reference well. ### Claim 7 (depends on 6) The fluid analysis cartridge according to claim 6, wherein the tag includes at least one of a Quick Response (QR) code, a bar code, and a radio frequency identification (RFID) tag. ### Claim 8 (depends on 6) The fluid analysis cartridge according to claim 6, further comprising a holder configured to support the fluid analysis cartridge. ### Claim 9 (depends on 8) The fluid analysis cartridge according to claim 8, wherein the tag is installed on a rear side of the holder, the rear side being opposite to a side at which the fluid sample is supplied to the test well. ### Claim 10 (depends on 1) The fluid analysis cartridge according to claim 1, wherein the first sheet and the third sheet are formed of the same material, wherein the first sheet, the second sheet and third sheet are bonded to each other. ### Claim 11 (depends on 10) The fluid analysis cartridge according to claim 10, wherein an area of the first sheet corresponding to the reference well and another area of the first sheet corresponding to the test well are transparent. ### Claim 12 (depends on 10) The fluid analysis cartridge according to claim 10, wherein the first sheet and the third sheet each includes at least one of a polyethylene (PE) film, a polypropylene (PP) film, a polyvinyl chloride (PVC) film, a polyvinyl alcohol (PVA) film, a polystyrene (PS) film, a polyethylene terephthalate (PET) film, and a urethane film, wherein the PE film includes at least one of Very Low Density Polyethylene (VLDPE), Linear Low Density Polyethylene (LLDPE), Low Density Polyethylene (LDPE), Medium Density Polyethylene (MDPE), and High Density Polyethylene (HDPE). ### Claim 13 (depends on 10) The fluid analysis cartridge according to claim 10, wherein the second sheet is a porous sheet. ### Claim 14 (depends on 10) The fluid analysis cartridge according to claim 10, wherein the second sheet includes at least one of cellulose acetate, Nylon 6.6, Nylon 6.10, polyethersulfone, poly tetrafluoro ethylene (PTFE), poly vinylidene fluoride (PVDF), and polyurethane. ### Claim 15 A fluid analysis apparatus comprising: a fluid analysis cartridge configured to accommodate a fluid sample; a mounting member configured to mount the fluid analysis cartridge mounted to the fluid analysis apparatus; a light source configured to emit a light toward the fluid analysis cartridge; a light detector configured to detect the light emitted from the light source; and a processor configured to generate a data based on the detected light, wherein the fluid analysis cartridge comprises: a first sheet comprising at least one area to which light is irradiated, a second sheet comprising: a reference well comprising a macromolecular coloring reagent having an optical characteristic that varies according to a thickness of the reference well, and a test well comprising a test reagent having an optical characteristic that varies according to each of a thickness of the test well and a concentration of a component included in the fluid sample that reacts with the test reagent, and a third sheet, wherein the first sheet is attached to a first side of the second sheet and the third sheet is attached to a second side of the second sheet, wherein the light passes from the second sheet toward the third sheet, and wherein the processor is further configured to change a test result of the test well based on a data of the reference well. ### Claim 16 (depends on 15) The fluid analysis apparatus according to claim 15, further comprising a light absorbance analysis module configured to measure a light absorbance of the reference well and a light absorbance of the test well when light is transmitted through the reference well and the test well. ### Claim 17 (depends on 16) The fluid analysis apparatus according to claim 16, further comprising a controller configured to determine the thickness of the reference well based on the light absorbance of the reference well. ### Claim 18 (depends on 17) The fluid analysis apparatus according to claim 17, wherein the controller is further configured to correct the light absorbance of the test well based on the determined thickness of the reference well. ### Claim 19 (depends on 15) The fluid analysis apparatus according to claim 15, wherein the macromolecular coloring reagent includes macromolecular material and a coloring reagent which has sensitivity to the thickness of the reference well, wherein sensitivity to the thickness of the reference well is determined based on an absorbance variation of the coloring reagent.