Zhao et al., 2019 - Google Patents
Smartphone modulated colorimetric reader with color SubtractionZhao et al., 2019
View PDF- Document ID
- 3883035161199560983
- Author
- Zhao Y
- Choi S
- Lou-Franco J
- Nelis J
- Zhou H
- Cao C
- Campbell K
- Elliott C
- Rafferty K
- Publication year
- Publication venue
- 2019 IEEE SENSORS
External Links
Snippet
Color analysis has been essential for the interpretation of optical readouts, eg colorimetry, fluorescence, spectroscopy, and scanometry. However, existing colorimetric readers can hardly eliminate the color interference of colored solutions, eg, interpreting pH test strips to …
- 230000000051 modifying 0 title abstract description 9
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/645—Specially adapted constructive features of fluorimeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/8483—Investigating reagent band
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by the preceding groups
- G01N33/48—Investigating or analysing materials by specific methods not covered by the preceding groups biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING; COUNTING
- G06K—RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K9/00—Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6189286B2 (en) | Test equipment | |
Jung et al. | Smartphone-based colorimetric analysis for detection of saliva alcohol concentration | |
TWI795453B (en) | Methods and devices for performing an analytical measurement based on a color formation reaction | |
US20230146924A1 (en) | Neural network analysis of lfa test strips | |
JP2023164793A (en) | Calibration method for camera of mobile device for detecting analyte in sample | |
Nixon et al. | Accurate device-independent colorimetric measurements using smartphones | |
WO2019153934A1 (en) | System and method for quantitatively analyzing dry chemical test strip by means of mobile terminal | |
CN112020640B (en) | Method and system for calibrating and detecting analytes in a sample using a camera | |
CN115836210A (en) | System and method for characterizing an assay from a region of interest using optical reactions | |
Zhao et al. | Smartphone modulated colorimetric reader with color Subtraction | |
CN111492198B (en) | Object shape measuring apparatus and method, and program | |
EA200801809A1 (en) | COMBINATION OF READER AND THERMOSTAT | |
JP2023502766A (en) | Methods for Determining Concentrations of Analytes in Body Fluids | |
JP2023525776A (en) | How to evaluate the quality of color reference cards | |
US12295730B2 (en) | Method of determining a concentration of an analyte in a bodily fluid and mobile device configured for determining a concentration of an analyte in a bodily fluid | |
CN114049370A (en) | Intelligent mobile terminal colored solution concentration detection method based on deep learning method | |
KR20180055320A (en) | Method of water examination using household water examination kit | |
JP2017203764A (en) | Light intensity calculation method, program, and optical analysis device | |
Dinmeung et al. | Colorimetric parameters for bloodstain characterization by smartphone | |
Webb et al. | Wavelength selection using a modified camera to improve image-based 3D reconstruction of heritage objects | |
Rogge et al. | Fluorescence fails: analysis of UVA-induced visible fluorescence and false-color reflected UVA images of tintype varnishes do not discriminate between varnish materials | |
Joh et al. | An ensemble model of machine learning regression techniques and color spaces integrated with a color sensor: application to color-changing biochemical assays | |
Bhatt et al. | Smartphone-based colorimetry analysis for estimation of albumin concentration | |
Zhao | Image data collection, processing, storage, and their application in smartphone food analysis | |
RU2809608C2 (en) | Calibration method for calibrating camera of mobile device for determining analyte in a sample |