Nicotinamide protect us from the sun

Nicotinamide reportedly increases the endurance of mice, avoids immunosuppression caused by UVA and UVB radiation.Therefore,nicotinamide could protect us from the sun.

Nicotinamide is also reported to be an effective skin whitener in topical application.In additon,nicotinamide also acts a chemo- and radio-sensitizing agent by enhancing tumor blood flow, thereby reducing tumor hypoxia.

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the uses of Dipyridamole

Dipyridamole acts as a thromboxane synthase inhibitor,consequently， lowering the levels of TXA2 and  stopping the effects of TXA2 .

Dipyridamole inhibits the cellular reabsorption of adenosine into platelets, red blood cells and endothelial cells cause increasing extracellular concentrations of adenosine.

Dipyridamole also inhibits the enzyme adenosine deaminase from  breaking down normally adenosine into inosine,which leads to further increased levels of extracellular adenosine.

Dipyridamole also inhibits the phosphodiesterase enzymes that normally break down cAMP and/or cGMP ..

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the description of Betaine

A betaine in chemistry is any neutral chemical compound with a positively charged cationic functional group. For example, a quaternary ammonium or phosphonium cation  which bears no hydrogen atom and with a negatively charged functional group such as a carboxylate group which isn't adjacent to the cationic site possibly.Therefore, a betaine  may be a specific kind of zwitterion.

In biological systems, a great many of betaines serve as organic osmolytes, substances synthesised or taken up from the environment by cells for protection against osmotic stress, drought, high salinity or high temperature.

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the application of Propionic acid

Propanoicacid control the growth of mold and some bacteria at the levels between 0.1 and 1% by weight.Therefore, most propanoic acid produced is consumed as a preservative for both animal feed and food for human consumption. For animal feed, it is used either directly or as its ammonium salt. The antibiotic Monensin is added to cattle feed to favor propionibacteria over acetic acid producers in the rumen; this produces less carbon dioxide and feed conversion is better. This application accounts for about half of the world production of propanoic acid. Another major application is as a preservative in baked goods, which use the sodium and calcium salts.

propanoicacid is also useful as an intermediate in the production of other chemicals.Vinyl propionate is also used. In more specialized applications, it is also used to make pesticides and pharmaceuticals. The esters of propanoicacid have fruit-like odors and are sometimes used as solvents or artificial flavorings.

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4-(3-Nitrophenyl)morpholine’s Chemical properties

Morpholine is an organic chemical compound with the chemical formula O (CH2CH2) 2NH. This heterocycle, pictured to the right to offer, both amine and ether functional groups. Due to the amine, morpholine is a base whose conjugate acid is used as morpholinium. For example, neutralization with hydrochloric acid morpholine salt morpholinium chloride.
Morpholine is widely used in organic synthesis. For example, it is a building block in the production of the antibiotic linezolid, the anticancer agent Gefitinib (IRESSA) and the analgesic dextromoramide.
Lead in research and industry, the low cost and the polarity of morpholine to its common use as solvents for chemical reactions.
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The introduction of Dipyridamole

Dipyridamole (trade name Persantine) is a drug, the thrombus formation inhibits chronic and leads to vasodilation given if given at high doses over a short period. Dipyridamole overdose can be treated with aminophylline and reverses its hemodynamic effects (vasodilation). Symptomatic treatment is recommended, possibly with vasopressor drug. Gastric lavage should be considered. Can reverse the administration of xanthine derivatives (eg aminophylline) the hemodynamic effects of dipyridamole overdose. Since dipyridamole is highly protein bound, dialysis is unlikely to be useful.
Dipyridamole was pressure.Dipyridamole pulmonary hypertension without significant decrease in systemic blood pressure and non-medical applications in the laboratory context, such as reducing the inhibition of the cardio virus growth in cell culture.
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What is 57-Dihydroxy-4-methylcoumarin used for？

We know that sun's rays are the  harshest between 10 am and 4 pm. Doctors advise that it is best to stay indoors during this time. It is harmful to bask in the sun for hours at a time. But if you have oily skin and prefer to go outside and soak up some rays of the sun, you can be sure to look forward to a nice, even tan. You don't have to worry about, if you have suntan oils .The oil on your skin keeps it well lubricated and helps to even out the sunlight shining down over your skin. This is a pleasure that people with dry skin are not so fortunate to have. Suntan oils contains a substance called  5,7-Dihydroxy-4-methylcoumarin, which help protect your health.

Mentioned 5,7-Dihydroxy-4-methylcoumarin, it actually have other uses. 5,7-Dihydroxy-4-methylcoumarin is also used as whitening agents in wall paints. Here I share with you about its chemical properties: Its CAS is 2107-76-8 and the molecular formula is C10H8O4.Weight:192.17g/mol.It is slightly water soluble.

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