Stanford scientists invented a home urinary artifact, detecting urinary cancer is one of its skills

June 20, 2016 Source: Kexun

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With the development of technology, our lives are becoming more and more intelligent. Imagine if you get to the toilet every morning after getting up in the morning, the toilet can automatically collect your urine, analyze it, and send the results to the doctor. This sounds great! You can do your own urine test at home, eliminating the complicated inspection steps in the hospital.

Of course, this is only a good idea at present, and if it is to be realized, it will be a huge project. However, success is step by step, and this first step, Stanford scientists have already come out - they invented a home urine test equipment. An article on the research of this device was published in the journal Lab on a Chip by the Royal Society of Chemical Society.

First, we need to get a test strip. The test strip is divided into 10 small cells, which have different colors. They can detect white blood cells (LEU), nitrite (NIT), urinary biliary tract (URO), glucose (GLU), Red blood cells (BLO), urine protein (PRO), urine specific gravity (SG), ketone body (KET), pH (ph), and bilirubin (BIL). The chemicals on the test strip react with the ingredients in the urine to produce different color changes, suggesting different diseases such as kidney disease, diabetes, urinary tract infections, and even bladder cancer.

Because this is a color-based test, in order to reduce the impact of light, the researchers deliberately designed the outer casing of the device to be all black, and the blackout structure allows the device to judge the color more accurately. Because it is used in the home, the design is minimal, and assembly, disassembly and storage are simple.

In addition to color comparisons, how to control the amount of urine is also important. The use of many test strips requires a quantity of liquid, too much or too little will affect the results. Therefore, the researchers designed a multi-level load system. The user drops the urine into the small hole of the first layer with a dropper, and then the urine enters the channel of the second layer. The third layer is a test strip with 10 spaces, and the urine will seep from the second layer. Leaking to the third layer, this device makes the volume of liquid that eventually reaches the third layer equal, avoiding too many problems.

There is an opening at the top of the device, and the phone is placed in the opening. After the test strip is pushed into the device, the phone starts recording. This is also a magical thing about this device. Due to the design of the test strip, 10 spaces have different reaction times, ranging from 30 seconds to 2 minutes. After 2 minutes, the user can upload the video to a specific program on the computer. This program can capture the color of the reaction between the urine and the test strip after the different correct reaction time has elapsed.

Dr. Gennifer T. Smith, the first author of the study, said in an interview with MedCity News: "The device is powerless for diseases that are currently inaccessible, but it can make the detection of known diseases more accurate. In addition, the future goal of their team is to develop a mobile app that does not need to upload the video to the computer, but can analyze it directly on the phone, and then send the result to the doctor after the analysis is over.

This device saves time and effort for doctors and users. Users can check their physical condition in time. If there is something wrong, they can seek medical treatment as soon as possible to avoid getting sick after the disease worsens. For doctors and hospitals, home urine testing equipment can reduce the burden and save resources. Since it is a win-win situation, commercialization is also an indispensable consideration. The technology used in this artifact is based on the already mature SlipChip, so its future commercialization path should be smoother. Researchers say that in the future, in addition to conditional families can be purchased separately, some community medical institutions can also use it to provide on-site services for patients.

Looking forward to a better improvement in the future, we can usher in such a convenient home smart device as soon as possible, and technology will bring us a better medical experience. This is probably the future of "smart life" worthy of our expectation.

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