Teacher Wang’s student recently ordered a batch of imported products from a company.
Elisa kit
The standard curve is very weak, it is very anxious. I consulted our company's technology yesterday and wanted to help the technology. Since Mr. Wang had ordered many of our kits before, the technology made a simple answer according to Mr. Wang's narrative:
Teacher Wang analyzed the imported elisa kit, and the results of the standard curve made several times in succession were very poor. Need to subtract the blank value?
According to our many years of experience. Their ability to adsorb proteins (antigens) is different. ELISA occurs on the surface of solid phase and requires a strong ability to adsorb proteins. 96-well plates for cultured cells, especially those used to culture adherent cells, are specially treated and cannot be mixed. If it is still not good to change the board standard, it is necessary to consider the sealing step, the standard sample and the enzyme secondary antibody problem.
Shanghai Jinma Bio is based on the concentration of the standard object as the ordinate (logarithmic coordinate), and the OD value is the abscissa (logarithmic coordinate), and the standard curve is drawn on the logarithmic coordinate paper. It is recommended to use professional production curve software for analysis, such as curve expert 1.3, find the corresponding concentration from the standard curve according to the OD value of the sample, and multiply by the dilution factor; or calculate the regression equation of the standard curve by using the concentration of the standard and the OD value. Substituting the OD value of the sample into the equation, calculating the sample concentration, and multiplying by the dilution factor, is the actual concentration of the sample.
ELISA kit, the average price across the country, wholesale more favorable, the company's ELISA kits can be opened tax invoices, free electronic version of the ELISA kit instructions (paper specifications, we ship with the goods)
TFT LCD screens are characterized by good development, high screen, strong sense of layering, and bright colors, but there are also relatively power consumption and low cost. TFT screen technology legendary the development of mobile phone color screens. Many of them support 65536 color displays, and even have 160,000 color displays. With a very high screen TFT, the visual advantage is important.
Technical characteristics
TFT technology was developed in the 1990s. It uses new materials and new processes for fine semiconductor all-electronic manufacturing technology. It is the basis of liquid crystal (LC), inorganic and organic thin-film electroluminescence (EL and OEL) flat panel displays. It is a variety of films made on non-single materials such as glass or plastic products (of course also on the surface) through methods and chemical reaction forming processes, and a large number of micro-integrated circuits (LSIC) are produced through the processing of the films. Non-single crystal crystals can achieve cost reduction, which is an extension of traditional small integration to large area, function, and direction. Manufacturing TFTs that control the switching performance of pixels (LC or OLED) on large glass or plastic products has a higher technical content than manufacturing complete ICs on silicon wafers. The required production equipment and production technology surpass the production of large-scale integration of semiconductors, which is the luster of modern technology. The main features are:
(1) Large area: The first generation of large-area glass products (300mm×400mm) TFT-LCD-production line was put into production at the beginning of the nineties, and the area of eye glass has been expanded to 60mm×80mm in 2000), as well as 950mm×1200mm glass The design will also run.
(2) High integration: The size of the 1.3-inch TFT chip used for the projection of liquid crystal is one million for GA. The resolution is SXGA (1280×100×1280×1000×1280×1000×1280×1000×16.1 inch TFT screen amorphous film) 50nm, and TAB ON GLASS and SYSTEM ON GLASS technology, its IC integration, The technical requirements for equipment and supplier technology are more difficult than traditional LSI.
(3) Powerful function: TFT as a matrix selection solution provides the light valve characteristics of liquid crystal. TFT-LCD is the first Liquid Crystal Display in human history whose display quality exceeds that of CRT. The function will be more powerful, which is unmatched by traditional small integrated circuits.
(4) Design: Glass products and plastic products have fundamentally solved the problem of large semiconductors and opened up potential applications for the application of small semiconductors.
(5) Ingenious process: In addition to the use of vapor phase, chemical vapor deposition (chemical vapor deposition) MCVD (molecular chemical vapor deposition) and other processes to form films, laser flame technology has also begun to be applied traditionally, not only making amorphous films, polycrystalline films, but also Single crystal films can be manufactured. Can make silicon film, can also make other II-VI group and III-V group semiconductor thin film.
(6) Wide range of application fields. Liquid crystal display based on TFT technology is a rich industry in the information society, and the technology can also be applied to the rapid growth of thin-film organic electroluminescence (TFT-OLED) flat panel Display Screen shots. .
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Shenzhen Newvision Technology Co.Ltd , https://www.newvisionlcd.com