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Nov 21
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How to identify pharmaceutical raw materials and excipients by Raman instrument?

Starch is a complex polymer. It consists of glycoside bonds connecting glucose units. And because of its multifunctionality, it is used by important medicinal accessories. Solid starch has the motion of granular. The varieties and growing environment of starch influence its size and it is divided into straight chain and branched chain. The starch of staight chain has 50 to 6000 glucosamine residues for aggregation. The branched chain starch has, A , B & C, three kinds of chain. C chain is backbone with more than 60 glucosamine residues and a terminal saccharide residues. B chain is the branched chain of C, its aggregation has 45 to 55 glucosamine residues. A is the branched chain of B with 14 to 18 glucosamine residues. Different chain has different nature and its own effect by ingredients.

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Nov 11
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How to fast identify liquid reagent on quanitification method?

According to the traditional method, Raman spectroscopy is considered to be unsuitable for quantitative applications due to poor signal strength stability, strong background signals such as fluorescence, and the like, even in many textbooks. But in fact, material information contained in Raman spectroscopy Not only the nature of the material, but also the information about the quality of the material. In principle, as long as the current difficult problem is solved in the method, Raman spectroscopy is a simple, fast and non-destructive testing method, not only a powerful tool on qualification, but also on quantification.

In order to solve this problem, Sipatt proposed a multi-technology centered on "high-order derivatives to ensure data selectivity" and successfully applied to Raman spectrometers. In this paper, we will introduce a salicylic acid saponin as an example to introduce a method for the detection of salicylic acid and benzoic acid in salicylic acid bismuth, and the accuracy is expressed as 3% within the relative error. Optosky Raman spectrometers make a fast, viable, no-module method for quantitative analysis of liquid formulations.

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Nov 05
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How to Detect Hydrogen Peroxide of Cells by Raman Spectroscopy

Hydrogen peroxide(H202)is a key part of reactive oxygen species(ROS)and generated
as a by·product of a wide range of biological processes. It has a diverse array of physiological and pathological effects within living cells depending on the extent, timing, and location. Such as stimulating cell proliferation, intracellular signal transduction, Excess hydrogen peroxide can lead to structural and functional derangements of cell lipids, proteins, DNA and other molecular. Because of its easy access and relative stability,it has become an important tool for cellular oxidative damage research. The mechanisms of cellular damage induced by Hydrogen peroxide are concern of research.
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Nov 02
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The 5th Agricultural Remote Sensing Application Technology Summit

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Optosky Photonics Inc. was founded by the spectrometer experts, they were committed to leading spectrometers development, technology innovation, application and promotion. We work together with research institutes such as Xiamen University, Zhejiang University and Chinese Academic of Science...

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Oct 29
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What kind of person is the founder of Optosky?

    When we saw Dr. Liu Hongfei, Dr. Liu just received a phone call from the Organizing Committee of the China Innovation and Entrepreneurship Competition to inform Dr. Liu Hongfei on behalf of the Optosky Photonics Inc. (www.optosky.com) with excellent results. Directly advanced to the finals and represented Xiamen in the China Entrepreneurship Competition.


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