QUANTITATIVE HPTLC CANNABINOID FIELD TESTING DEVICE AND METHOD
First Claim
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1. An analytical cartridge, comprising:
- a sample receptacle adapted to receive a volume of liquid sample;
a pump having an intake in fluid communication with the sample receptacle;
a development chamber adapted to contain a thin layer chromatography mobile phase;
a stationary phase disposed within the development chamber and suitable for conducting thin layer chromatography;
a sample deposit area of the stationary phase in fluid communication with an output of the pump;
a mobile phase reservoir adapted to contain a thin layer chromatography mobile phase; and
a casing combining, into the form of a cartridge, the sample receptacle, the pump, the development chamber, the stationary phase, the sample deposit area, and the mobile phase reservoir.
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Abstract
A field testing device is provided for quantitating psychoactive components of marijuana such as THC in biological fluids such as saliva. Such a device may include an HPTLC plate for separating interferents from THC and may also include fluorometric components for quantitating THC. The device may include a microprocessor adapted to relate fluorescent intensity to analyte concentration through one or more calibration curves. Devices may optionally include microfluidics for carrying out HPTLC on biological samples including sample reservoirs, reagent reservoirs, micro-pumps, mixers, and the like.
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Citations
20 Claims
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1. An analytical cartridge, comprising:
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a sample receptacle adapted to receive a volume of liquid sample; a pump having an intake in fluid communication with the sample receptacle; a development chamber adapted to contain a thin layer chromatography mobile phase; a stationary phase disposed within the development chamber and suitable for conducting thin layer chromatography; a sample deposit area of the stationary phase in fluid communication with an output of the pump; a mobile phase reservoir adapted to contain a thin layer chromatography mobile phase; and a casing combining, into the form of a cartridge, the sample receptacle, the pump, the development chamber, the stationary phase, the sample deposit area, and the mobile phase reservoir. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification