نتایج جستجو برای: دارو dissolution rate
تعداد نتایج: 986470 فیلتر نتایج به سال:
فرمولاسیون و بررسی خصوصیات پراکندگی های جامد پیروکسیکام تهیه شده با پلی اتیلن گلیکول 4000 و توئین 40
Background and purpose: Piroxicam is a non-steroidal anti- inflammatory drug that is characterized by low solubility and high permeability. According to the biopharmaceutic drug classification system, piroxicam is a class 2 drug with low solubility and high permeability. The solid dispersion, ammroach is commonly used to improve the dissolution of poorly water soluble drugs using hydrophilic po...
Medical dissolution of gallstone is usually performed on radiolucent gallstones in a functioning gallbladder. However, absence of visible gallstone on plain abdominal x-ray does not always preclude calcification. This study aims to compare the response and dissolution rates between ursodeoxycholic acid (UDCA) alone or in combination with chenodeoxycholic acid (CDCA) according to stone density o...
The solid-state form of an active pharmaceutical ingredient (API) in an oral dosage form plays an important role in determining the dissolution rate of the API. As the solid-state form can change during dissolution, there is a need to monitor the oral dosage form during dissolution testing. Coherent anti-Stokes Raman scattering (CARS) microscopy provides rapid, spectrally selective imaging to m...
Weathering rates of silicate minerals observed in the laboratory are in general up to five orders of magnitude higher than those inferred from field studies. Simple calculations show that even if the field conditions were fully simulated in standard laboratory experiments, it would be impossible to measure the slow rates of mineral dissolution that are observed in the field. As it is not possib...
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