Abstract
Urine analysis is one of the most common and useful assay means in clinic for diagnose disease, especially urinary system disease and dry chemistry method is the most convenient, common and low cost about urine analysis. To expediently and efficiently analyze the corresponding relationships between different color data and semi-quantitative results about every urine item with dry chemistry way, in this paper, the design and application of effective software that may be used to collect color data about urine reagent strips are presented. First, we introduce the design procedure of this software. Second, its realization of design is given. Third, several application examples about collecting RGB original data by RS232 interface are shown. Then, RGB original data can be visually displayed by waveforms or curves and the data of cursor position may also be given. From the examples, we could confidently draw a conclusion that it is very convenient and effective to study on the laws of color variation about reagent pieces on reagent strip and it has met our original designed demands.
Highlights
Urine analysis is one of the most commonly used assay means of clinical, it is absolutely necessary and the first choice to diagnose disease and observe curative effects about urinary system [1], and very helpful to diagnose other diseases [2] that can lead to biochemical component change of urine
Its principle is that reagent pieces would take on different colors at same moment when there are different concentrations and different types of biochemical compositions in urine
The design of software that is for getting the original RGB data about reflected intensity of different color light (RIDCL) is presented, and a part of the program is afforded
Summary
Urine analysis is one of the most commonly used assay means of clinical, it is absolutely necessary and the first choice to diagnose disease and observe curative effects about urinary system [1], and very helpful to diagnose other diseases [2] that can lead to biochemical. Testing way of using naked eye to observe of urine reagent strip (URS) appears. To get qualitative or semi-quantitative results by AUA, RIDCL is needed to be converted to digital data by special circuit or module, which mainly includes color sensor, amplifier, analog to digital conversion and so on in general. The CCM is mainly composed of amplifiers, color sensor TCS3104 and microcontroller STM 32F 103RB [7], which bases on a high-performance ARM 32-bit CortexTM-M3 CPU and has 2 × 12-bit and 1 μs A/D converters This CCM is aimed to gain red, green and blue (RGB) analog value of RIDCL and convert them to corresponding digital data sequences, which are sent to computer through RS232, a standard serial interface. We only introduce design and application of this computer software in detail
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