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Recently, Jiujiang Jiangzhou, Nanchang Xinjian and other places have successively issued calls for the reverse flood resistance of young and middle-aged people. Due to the continuous heavy rains, many places in the middle and lower reaches of the Yangtze River are also suffering from floods. ... Read More
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DAOS, one of the new Trinder's reagents, the full Chinese name is N-ethyl-N-(2-hydroxy-3-sulfopropyl)-3,5-dimethoxyaniline sodium salt, commonly used in uric acid and renal function detection The detection kit has the advantages of good water solubility, high sensitivity, and strong stability. It is ... Read More
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Recently, the news of Urumqi’s closure of the city was swept away, and Urumqi, which had 40 million people, was ordered to blockade again. Some time ago, an epidemic was diagnosed in Beijing, and the epidemic was controlled within a short period of time. According to news, Beijing has seen 0 new ... Read More
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Just yesterday, the National Health Commission issued an announcement, which was madly reposted in the circle of friends because of the sentence "nucleic acid must be extracted for dilution and mixed sample detection, and the "one-step method" is prohibited. From a technical point of view, there is ... Read More
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In-vitro diagnostic reagents are a subdivision of the in-vitro diagnostic industry. They are part of medical devices and play an important role in disease prevention, diagnosis, treatment monitoring, and health status evaluation. There are many classification methods for in vitro diagnostic reagents... Read More
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Good Buffer Solutions can greatly reduce the pH fluctuation range when adding a small amount of acid or base and water, a mixed solution of weak acid and its salt (such as HOAc and NaOAc), a mixed solution of weak base and its salt (such as NH3·H2O And NH4Cl) etc. are all buffers. Buffers are widely ... Read More
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Luminol is a chemiluminescent reagent. Among the many chemiluminescent reagents, luminol reagents have high luminescence quantum yield and good water solubility, and can chemically react with various oxidants and have become The most widely used chemiluminescent reagent. Its luminescence mechanism ... Read More
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Since the discovery of heparin, it has been widely used to prevent and treat various thromboembolic diseases because of its rapid onset, definite curative effect, and anticoagulant effect can be reversed. However, there are many types of heparin drugs with similar names, such as heparin, low... Read More
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Carbomer is a white powdery substance, easy to absorb moisture and agglomerate, soluble in water, ethanol, alcohol and glycerin. Its 1% aqueous solution has a pH of 3.0 and can be neutralized with alkali. The hydrogel formed by carbomer is the most viscous when the pH is 6-12. When the pH is 12, the ... Read More
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Viruses, the most primitive and smallest life on earth, may have existed for 4 billion years. We need to parasitize inside cells. We don’t know whether there are cells or viruses first. At this moment, As a virus, I fell into a tube of Virus Transport Media, and looking back at history can be ... Read More
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