نتایج جستجو برای: strontium determination
تعداد نتایج: 257826 فیلتر نتایج به سال:
We report the observation of intense extreme ultraviolet (EUV) emission from incandescently heated atomic hydrogen and atomized strontium. Typically the emission of extreme ultraviolet light from hydrogen gas is achieved via a discharge at high voltage, a high power inductively coupled plasma, or a plasma created and heated to extreme temperatures by RF coupling (e.g. > 10 6 K) with confinement...
Osteoporosis was originally described in literature and art hundreds of years ago. Our ability to treat this disease lay dormant for centuries, but in the past 10 years, clinical trials have improved treatment options and efficacy. In this issue of the Journal , Meunier et al. 1 report on their study of the safety and effectiveness of strontium ranelate as a putative, novel therapy for osteopor...
Bioactive glasses (BG) which contain strontium have the potential to combine the known bone regenerative properties of BG with the anabolic and anti-catabolic effects of strontium cations. Here we created a BG series (SiO(2)-P(2)O(5)-Na(2)O-CaO) in which 0-100% of the calcium was substituted by strontium and tested their effects on osteoblasts and osteoclasts in vitro. We show that ions release...
Dissolution rates and apparent solubilities for synthetic hydroxyapatite in acetate buffers containing phosphate and strontium ions in the range of 10-3 to 10-2 M were determined under various pH and buffer conditions. Critical examination of the role of strontium with a physical model suggests that a calcium-strontium apatite surface complex may govern the driving force of the dissolution reac...
PURPOSE To estimate the proportion of osteoporosis patients in whom initiating strontium ranelate treatment, under new EMA guidelines, should be contraindicated because of a history of cardiovascular events or risk for cardiovascular events. MATERIALS AND METHODS This was a retrospective analysis of medical and pharmacy claims using the Clinical Practice Research Datalink database. Patients w...
Introduction. Strontium salts are anti-irritants for chemically induced sensory irritation. Interstitial cystitis is a painful disease without definitive therapy. The aim of the study was to determine the effect of strontium in bladder with experimental interstitial cystitis model. Material and Methods. Rats' bladders in control group were instilled with NaCl. Second group was instilled with E....
Strontium-82 is produced by proton activation of a rubidium chloride target in an accelerator or cyclotron and purified by ion exchange chromatography. The Strontrium-82 is used in Cardigen generators to produce Rubidium-82 for cardiac imaging. Quality control testing of the purified Strontium-82 is performed with Inductively Coupled Plasma-Optical Emission spectroscopy (ICP-OES) and gamma spec...
Cementogenesis, performed by cementoblasts, is important for the repair of root resorption caused by orthodontic treatment. Based on recent studies, strontium has been applied for osteoporosis treatment due to its positive effect on osteoblasts. Although promising, the effect of strontium on cementoblasts is still unclear. So the aim of this research was to clarify and investigate the effect of...
Objective: To investigate the impact of strontium ranelate on implant osseointergration of osteoporotic rats in vivo experiment. Method: Thirty-six female rats were randomly divided into three groups: ovariectomization group (A=12), strontium ranelate low-dose treatment group (B=12) and strontium ranelate high-dose treatment group (C=12). After the success of the osteoporosis model building, HA...
The effects of low doses of oral stable strontium (0.19-0.40% of strontium chloride) on mineral and bone metabolism were examined in normal rats using biochemical and histomorphometrical methods. The strontium levels in serum and bone rose according to the intake of the element. Oral strontium supplementation did not produce deleterious effects on body growth or on mineral homeostasis except a ...
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