Invisible genetically modified substances, we have to capture its "shadow" in the past is very complicated, usually, the samples need to be sent to the laboratory, using professional instruments to spend a few hours qualitative testing, the price is in thousand dollars about. But have you seen the 30-second test of genetically modified GM food rapid test strips? This thin test strip not only has high detection efficiency, it can detect the transgene in 30 seconds, and the accuracy is also very good. The accuracy rate is above 99%. In recent years, with the proliferation of genetically modified crops and food, the phenomenon of illicit cultivation of genetically modified organisms has become widespread, and this has further increased food safety and crop production safety risks. In order to ensure the safety of food production in China and provide people with healthy crops and foods, experts pointed out that if convenient, low-cost testing methods are used, the possibility of illegally GM foods flowing into the market will be greatly reduced. Therefore, in recent years, the agricultural sector has intensified its efforts to supervise crops such as rice and corn, and in related policy documents, it has mentioned that it is recommended to use test strips and other rapid testing methods to reduce costs and expand the scope of monitoring. Rapid test strips of genetically modified foods are easy to carry and very low cost tools for detecting genetically modified substances. Compared with traditional laboratory tests, the application of rapid test strips for genetically modified foods has a wider application range. Samples can be taken for testing, and ordinary people can also detect rice at home, which is very convenient. The use of genetically modified food rapid test strips to detect rice quality requires only a simple walk to allow genetic modification. The first step is to pulverize the rice and add the buffer; the second step is to sink the supernatant with a test paper; the third step is to wait for 30 seconds to know the answer. The judgment of the results only needs to be based on the colors displayed on the upper and lower test lines on the test strip, and it can be judged whether the rice crop is a genetically modified variety. Is it very convenient? Selective Laser Sintering - Sls Stereo Light Curing Molding - Sla
It mainly uses photosensitive resin as a raw material, and utilizes the characteristic that liquid photosensitive resin will cure quickly under ultraviolet laser beam irradiation. The photosensitive resin is generally liquid, and it immediately initiates a polymerization reaction and completes curing when irradiated with a certain wavelength of ultraviolet light (250 nm to 400 nm). SLA focuses on the surface of the light-curing material by focusing ultraviolet light of a specific wavelength and intensity to solidify it sequentially from point to line and from line to surface, thereby completing the drawing of a layered cross-section.
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