Method and apparatus for measuring liquid level of cell culture solution
AssigneesTokyo Women's Medical University, Nihon Kohden Corporation
InventorsMitsuhiro Oura, Hirotsugu Kubo, Teruo Okano, Tatsuya Shimizu
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Abstract
A method of measuring a liquid level of a cell culture solution stored in a cell vessel, includes: irradiating the cell culture solution with at least two kinds of light beams including a first light beam having a first wavelength and a second light beam having a second wavelength; measuring a first absorbance of the cell culture solution with respect to the first light beam, and a second absorbance of the cell culture solution with respect to the second light beam; and determining a liquid level of the cell culture solution based on the first absorbance and the second absorbance.
Claims8
A method of measuring a liquid level of a cell culture solution stored in a cell vessel, the method comprising:
- irradiating the cell culture solution with at least two kinds of light beams including a first light beam having a first wavelength and a second light beam having a second wavelength;
- measuring a first absorbance of the cell culture solution with respect to the first light beam, and a second absorbance of the cell culture solution with respect to the second light beam;
- and
- determining a liquid level of the cell culture solution based on the first absorbance and the second absorbance.
An apparatus for measuring a liquid level of a cell culture solution stored in a cell vessel, the apparatus comprising:
- a light emitter which is configured to emit at least two kinds of light beams including a first light beam having a first wavelength and a second light beam having a second wavelength;
- a light receiver which is configured to receive the least two kinds of light beams that have been passed through the cell culture solution;
- a measurer which is configured to measure a first absorbance of the cell culture solution with respect to the first light beam, and a second absorbance of the cell culture solution with respect to the second light beam, based on intensities of the at least two kinds of light beams which are received by the light receiver;
- and
- a calculator which is configured to determine a liquid level of the cell culture solution based on the first absorbance and the second absorbance.
Dependencies are inferred from the claim text.