Two methods, spectrophotometric and chromatographic-densitometric ones, were developed for determination of losartan potassium, quinapril hydrochloride and hydrochlorothiazide in pharmaceutical preparations. Spectrophotometric method involved derivative spectrophotometry and zero order spectrophotometry. The measurements were carried out at lambda = 224.0 nm for quinapril, lambda = 261.0 nm for...

Introduction: Herbal medicines are known for their multiple compounds which are responsible for their bioactivity. This creates a challenge in establishing quality control standards for raw materials and the standardization of finished herbal drugs. Currently, there is a common practice of selecting one or more compounds as markers for purposes of identification and quality assessment. In the p...

OBJECTIVE To assess if diabetes, in patients without cataracts or diabetic retinopathy, alters the densitometric values of the lens and to what degree this occurs. METHODS A total of 93 patients, divided into two groups, were studied: the diabetic patients had a visual acuity equal to or greater than 0.8 and normal eye funduscopy, and the control group consisted of healthy patients of a simil...

BACKGROUND In myeloid blasts, the expression and release of the multifunctional chemokine IL-8 could be expected to be differentiation-associated. METHODS We investigated the profile of interleukin-8 (IL-8) expression and release by leukemic cells obtained at diagnosis from 42 untreated adult patients with acute myeloid leukemia of various FAB subtypes (2 M0, 7 M1, 6 M2, 6 M3, 10 M4 and 11 M5...

Osteoporosis can be classified into two big categories, clinical osteoporosis and densitometric osteoporosis. Clinical osteoporosis involves a fragility fracture, and no densitometry is needed to start treatment. Densitometric osteoporosis is defined by means of a bone mineral density assessment. Treatment should be considered depending on the global fracture risk, and taking the densitometric ...

background: satureja mutica (lamiaceae) is an herbaceous plant which grows in north-west of iran. oleanolic acid has been previously isolated from some lamiaceae genus and showed a broad range of biological activities. besides silphium spp., panax quinquefolium root and calendula officinalis flower as the interesting source of oleanolic acid used in the herbal industry, here we report the isola...

HIGHLIGHTS Malnutrition damages the biomechanical and densitometric properties of femur. Aerobic exercise reduces maximum femoral load until fracture in malnutrition. increases damage to BMC BMD established by

BACKGROUND Computed tomography (CT) lung densitometry has been demonstrated to be the most sensitive and specific outcome measure for the assessment of emphysema-modifying therapy, but the optimum densitometric index has yet to be determined and targeted sampling may be more sensitive than whole lung assessment. The EXAcerbations and CT scan as Lung Endpoints (EXACTLE) trial aimed to clarify th...