Diagnostic system for quantitatively detecting fat content of excrement by using spectrophotometric method
A diagnostic system and fecal fat technology, applied in the field of spectral analysis, can solve problems such as low accuracy and slow detection speed, and achieve the effect of reducing workload and improving accuracy
Pending Publication Date: 2021-06-29
上海宏勃生物科技发展有限公司
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Problems solved by technology
[0002] Clinical in vitro diagnostic equipment has no quantitative detection method for the fat content of feces samples. The detection methods of medical personnel for the fat content of feces are still limited to the methods of microscopic inspection, visual inspection and chemical weighing. The accuracy is low, the detection speed is slow, and it needs to be tested Personnel touch the sample, so that the tester is more resistant
[0003] Therefore, there is a need for a diagnostic system that uses spectrophotometry to quantitatively detect fecal fat content. Using spectrophotometric analysis to make up for the vacancy that fecal clinical in vitro analysis instruments on the market cannot quantitatively analyze fecal fat, greatly reduces the workload of testing personnel. , and improved the accuracy of clinical analysis of fecal fat
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Embodiment 1
[0021] Due to the difference between the transmissivity of the fat molecule and the other ingredients in the feces, the use spectrophotometry can effectively measure the fat content of the feces sample, first extract the feces sample weighing to obtain 0.05 g-0.25 g of the feces sample, placed in 25 ml sample In a volumetric flask, first dissolve the test sample with 5 mL of 2,2,4-trimethylproxane (isooctane) solvent, then dilute the same solvent to the capacity bottle scaling, and then introduce a quartz colorimetric sample having a capacity of 3 ml. In the tube, the spectroscopic apparatus is opened, and the light source of the xenon light source 1 is incident on the diffraction grating one (3) by the lens group 1 (2), and then diffraction by diffraction grating (3), diffracted light source passes through the lens group 2 4 In the sample cell 5, the light source is incident in the diffraction grating 2 6 through the sample cell 5, and finally the light-bearing tube 7 is diffract...
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The invention provides a diagnostic system for quantitatively detecting the fat content of excrement by using spectrophotometry. The diagnostic system comprises a rack, an objective table and a light splitting device, the objective table is arranged on the rack, and the light splitting device comprises a xenon lamp light source, a lens group I, a diffraction grating I, a lens group II, a sample pool, a diffraction grating II and a photomultiplier. The first lens group is arranged at the right side of the xenon lamp light source, the first diffraction grating is arranged at the right side of the first lens group, and the sample pool is arranged below the xenon lamp light source; the second lens group is arranged between the sample pool and the first diffraction grating, the second diffraction grating is arranged at the right side of the sample pool, and the photomultiplier is arranged at the lower left corner of the second diffraction grating. According to the invention, the vacancy that the excrement fat cannot be quantitatively analyzed by an excrement clinical in-vitro analysis instrument in the market is made up, the workload of detection personnel is greatly reduced, and the accuracy of excrement fat clinical analysis is improved.
Description
Technical field [0001] The present invention belongs to the field of spectral analysis, and more particularly to a diagnostic system for detecting the fat content of the feces using the spectrophotometry. Background technique [0002] Clinical diagnostic equipment for fecal samples has no quantitative detection method, and medical personnel have retained in the method of detecting and chemically weighing, the accuracy is low, the detection speed is slow, and the detection speed is slow, and the detection speed is slow, and the detection speed is slow, and the detection speed is slow, and the detection speed is required The personnel contact the sample and make the testor more resistant. [0003] Therefore, there is a need for a diagnostic system using spectrophotometry to detect the fat content of the feces, and the spectrophotometry is used to analyze, which makes up for the market's upper feces clinical analysis instrument that cannot quantitatively analyzes the vacancies of fe...
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Login to View More IPC IPC(8): G01N21/31G01N21/25G01N21/01
CPCG01N21/31G01N21/255G01N21/01G01N2021/0112
Inventor 赵国军刘律文阮雍张帅周华明李昂陈健李文倩
Owner 上海宏勃生物科技发展有限公司