The substance can be identified from the spectrum and its chemical composition determined. This method is called spectral analysis. Since spectroscopic detection can detect the material composition of the analyte without destroying the sample, the spectrometer has always been one of the basic instruments necessary for many material analysis laboratories. As the indispensable and widely used spectrum instrument in the general family of general analytical instruments, it is very common in biological, chemical, colorimetric, environmental testing, component testing, medicine, chemical and other fields. Xiaobian took stock of the application of spectral analysis and detection technology in various industries, hoping to inspire the vast spectrum of researchers.
Spectral analysis and detection technology is widely used and has broad prospects
Spectral detection technology helps Haier refrigerator intelligent manufacturing global upgrade
At the just-concluded 2017AWE show, Haier Refrigerator demonstrated the world's first application of the spectrum detection technology of the Xin Kitchen Internet refrigerator, the first successful realization of the nutritional information of the ingredients. It is reported that the technology is jointly developed by Haier Refrigerator and Israel's most promising technology startup, Consumer physics. By scanning the spectrum of vegetables, fruits and meat, the wavelength of light reflected by the molecules is used to judge the composition of the object. After analyzing the nutrients of the ingredients, the refrigerator can provide consumers with more reasonable food mix and guidance, and become a real healthy eating center. And from a global perspective, the integration of this technology with the refrigerator industry is also the first time, reflecting the forward-looking technology of Haier refrigerator.
Application of Spectral Analysis Technology in Detection of Meat Products
Not long ago, "glue steak" became a hot food safety issue, causing public concern. “Recombination†steak is a kind of conditioning meat. It can add a series of additives such as carrageenan and TG enzyme to shape and enhance the taste. It has no effect on human health, but it is prone to microbial bacterial contamination inside. It needs to be cooked thoroughly and cooked. At present, many meat traceability and adulteration identification techniques involve biochemistry, immunology, and molecular science. For example, polymerase chain reaction (PCR) as a molecular method can specifically identify specific DNA or RNA in a sample. However, these methods are not only time consuming, consumables, but also require pretreatment of the sample. Therefore, spectral analysis shows great advantages due to its fast and simple sample pretreatment.
Near-infrared (NIR), mid-infrared (MIR), infrared (infrared, IR), Fourier-transform infrared (FTIR), ultraviolet-visible absorption (UV-VIS) spectroscopy And Raman spectroscopy can be applied to the detection of meat varieties in different processed meat products. These waves, by being reflected, transmitted or absorbed by the food sample, produce a specific spectrum that reflects the trait of the sample. These complex spectral data are processed using stoichiometry to maintain the accuracy of a particular spectrum. In addition, spectral analysis can also be used for quality analysis of fresh meat products.
Concentration Technology Handheld Alloy Analyzer Showcases Total Non-Destructive Testing Solutions
Not long ago, Concentration Technology (Hangzhou) Co., Ltd. was invited to participate in the 8th member representative conference of Tianjin Welding Industry Association, and brought its subsidiary Beijing Juguang Yingan Technology Co., Ltd. (hereinafter referred to as “Juguang Ying’an†The star product - MiX5 handheld alloy analyzer and LIBS KT-100. At this stage, the manufacturing industry is developing at a high speed in the direction of intelligence and green. This efficient and fast and accurate metal analysis instrument meets the testing needs of the welding industry and fills the blank of non-destructive testing in the welding industry. The MiX5 handheld alloy analyzer and the LIBS KT-100 debut attracted the attention of the participants. The sales engineers enthusiastically introduced the instrument information to the audience and answered their questions. The customer is very satisfied with the products and sales, and expressed the hope to have further cooperation with Concentration Technology.
Spectral detection technology enters the mobile phone market: composition/authenticity is swept away
Infrared spectroscopy can bring a lot of value to the user, and the results can be known in just a few seconds. Therefore, the semiconductor factory is very optimistic about the development potential of this technology in mobile phone applications, and is actively overcoming the bottleneck of technology and application. In order to obtain the infrared wavelength characteristics of a substance from a larger wavelength range as much as possible, the conventional optical spectrum detector has a relatively complicated design of the optical system, and it is difficult to reduce the size of the device. In response to the above problems, Texas Instruments (TI) has used its invented digital light source processing technology (DLP) to greatly improve the spectrometer's optomechanical design, making the spectrometer a small instrument that can be placed in a pocket, and the cost is greatly reduced. Another analog chip maker, ADI, thinks farther and turns spectrum detection into ultra-small hardware modules that can be integrated into mobile devices such as cell phones.
Although the size of the SCiO is currently very small, there is still a small gap in the size that fits into the phone. Liu Xianjie revealed that Adeno's next-generation infrared spectrum detection hardware solution has been roughly developed. The size of the solution is comparable to that of the current camera module on mobile phones. Engineering samples are available now. Next, Yardno will actively engage with important mobile phone original equipment manufacturers (OEMs) in the Asia-Pacific region, hoping to bring more hardware design differentiation to smart phones through infrared spectroscopy.
Ancient ceramic identification opens a new mode of spectral detection
Scientific research instruments have become more and more powerful, and modern technology has been applied to the detection of cultural relics. A few days ago, the Hong Kong Royal 2016 Autumn Chinese Art Auction began its first national tour in Xiamen, exhibiting 19 pieces of ceramics. These auctions use the new model of “Technology + Humanitiesâ€, and are the only ancient ceramic auctions with the ISO certification body inspection report. According to reports, the instrument test is to put the porcelain into the vacuum environment X-ray fluorescence spectrometer, and then through the Raman spectrometer to detect the glaze composition. Subsequently, the experts conducted comparison and empirical analysis based on the test data, and gave a reference report on the age and authenticity of ancient ceramics.
UAV equipped with spectrum analyzer to achieve crop inspection
Recently, a small unmanned aerial vehicle developed by Jiangsu Academy of Agricultural Sciences and Nanjing University of Science and Technology has been successfully tested. The test drone is equipped with a special spectrum analyzer, which is specially used to detect pests and diseases in farmland and orchard. The inspection of crop cultivation areas can quickly determine the disease and type of disease of a certain plant in the area. In addition, the drone can carry drugs for one-on-one treatment of diseased plants. According to the relevant departments, the UAV's observation of crop diseases by spectrometer is carried out by different crops, the reflectivity of the leaf spectrum is different, and the spectral line data obtained in the observation is different. At the same time, there are differences in the spectral data of health and illness for the same leaf. The drone utilizes this feature to find diseased crops through instruments to selectively treat drugs. In addition, the technology can realize real-time camera, aerial photography, toxic and harmful gas monitoring, and meteorological data monitoring integration at the emergency site, realize seamless integration of gas detection equipment and self-developed environmental monitoring software platform, and real-time transmission of emergency monitoring data. .
In recent years, with the rapid improvement of people's quality of life, the demand for application security is more urgent. Spectral instrument applications are gradually expanding into areas directly related to human beings such as biomedicine, environmental ecology, social security, and national defense construction. Widely benefit from the sectors closely related to people's lives, such as medicines, water quality, soil, agricultural products, food and cosmetics analysis. At the two sessions, the basic food rapid inspection equipment once again rose to the people's field of vision, once again providing strong and powerful market application support for the convenient, rapid and intelligent development of spectroscopic instruments.
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