Iohexol is a raw material for water-soluble, non-ionic X-CT contrast agents produced by pharmaceutical companies. The trade name for this contrast agent is Orna Parker. This contrast agent is usually injected into the vein before CT diagnosis,

 Β-lactam antibiotics are a wide variety of antibiotics, including penicillin and its derivatives, cephalosporin, monoamide rings, carbapenem, etc., which are currently a class of antibiotics. The adsorption resin has obvious advantages in

Nucleotide, a compound consisting of a mixture of a purine base or a pyrimidine base, ribose or deoxyribose, and phosphoric acid. Also known as nuclear niacin. The nucleotide and the desalting nucleotide are amphiphilic compounds containing a base ca

 Arginine accounts for about 6% in human hair, and there is almost no loss of arginine in the mother liquor after extracting cystine. Therefore, after the mother liquor is desalted, the arginine is separated by exchange with a cation exchange re

  Adsorption and extraction of lovastatin by macroporous adsorption resin, the advantage of this method is that a large amount of solvent is discarded, the production equipment is simple, the production safety is high, the resin can be repeated

Insulin is a protein hormone secreted by pancreatic islet β cells in the pancreas by endogenous or exogenous substances such as glucose, lactose, ribose, arginine, glucagon, and the like. Insulin is the only hormone in the body that lowers blood

 Gentamicin is a family of aminoglycoside antibiotics produced by Micromonospora. It has a high antibacterial effect on Gram-negative bacteria, and has a remarkable effect on the diseases of Pseudomonas aeruginosa (Pseudomonas aeruginosa), Enter

Bilirubin is mainly a metabolite of heme in aging red blood cells. If bilirubin is excessively produced or the metabolic pathway is blocked, it will lead to the accumulation of a large amount of bilirubin in the body, which will cause toxic effects o

 Citicoline is a cheaper general medicine, a brain activator, which can promote brain cell respiration, improve brain function, enhance the function of the upstream reticular activation system, promote wakefulness, and reduce cerebral vascular r

Gentamicin is an alkaline, water-soluble antibiotic. It has stable nature and strong affinity in medium-acid environment. There are many methods for separation and purification of gentamicin. The ion exchange method not only has high product recovery