Improving the in vivo absorption of poorly soluble drugs has always been a hot topic. To achieve this goal, consider increasing its solubility and dissolution rate. A solid dispers
Nov 13, 2021
PVP has a long history as a thickener in oral liquid formulations and has a wide range of applications. For example, it can be used as a good thickening stabilizer in emulsions and
PVP is soluble in water and some commonly used organic solvents, making it usable in many situations. First of all, for agents that are sensitive to humidity and heat, using PVP et
The human body needs about 100 ~ 300 micrograms per day. Raw Egg white contains a protein (egg protein, Avidin) that binds to biotin, which can not be absorbed by the digestive tra
Oct 30, 2021
1.-methylpyridine is oxidized by air to Nicotinic acid, which reacts with ammonium hydroxide and is then heated and dehydrated. 2. Put nicotinic acid, boric acid and ammonia water
Penicillin potassium dissolves rapidly, but intravenous pushing is strictly forbidden. Too fast a speed of potassium entering the blood vessels can lead to a rapid increase in bloo
Enrofloxacin is a fluoroquinolone synthetic antibacterial drug for animals, which has strong bactericidal effect on Gram-positive and Gram-negative bacteria and mycoplasma, with st
Physical P ropert y： Colorless liquid. The melting point is 24.6°C, boiling point 245℃, the refractive index 1.4870, miscible with water, alcohol, ether, chloroform, benzene, ethyl
Oct 06, 2021
PVP and its monomer NVP were synthesized by BASF company J. Walter. Reppe with acetylene as the main raw material. This method is called Reppe method, also known as acetylene metho
Oct 03, 2021
Through further study, the hydrolysis mechanism of NVP in the presence of acrylic acid or KSO was obtained. The vinyl charge imbalance in NVP molecule, i.e., the charge density of
Sep 30, 2021
Through further research, the hydrolysis mechanism of NVP in the presence of acrylic acid or KSO was obtained. The charge imbalance of the vinyl group in the NVP molecule, that is,
Aug 12, 2021
Thermometer disinfection: soak in 3% concentration for more than 30 minutes. After taking it out, it can be placed in 75% ethanol for use, or it can be rinsed with sterile water or
May 20, 2021
