نتایج جستجو برای: calcium phosphate glass
تعداد نتایج: 327808 فیلتر نتایج به سال:
The need to improve the level of dental health population Ukraine was identified. prospects for use ceramic prostheses provide quality medical care in dentistry have been established. An analytical review various types and glass-ceramic materials used as tooth replacement: porcelain, alumina, zirconium oxide, glass-ceramics based on leucite lithium disilicate mica with addition fluorides. Pecul...
INTRODUCTION Patients on hemodialysis require phosphate binders to reduce dietary phosphate absorption and control serum phosphate. The standard therapy, calcium salts, can be associated with elevated serum calcium (hypercalcemia). Concern has been raised that hypercalcemia, especially combined with elevated serum phosphate, may be associated with arterial calcification, and this may contribute...
BACKGROUND Chronic kidney disease-mineral and bone disorder (CKD-MBD), a complication of chronic kidney disease, has been linked to reduced quality and length of life. High serum phosphate levels that result from CKD-MBD require phosphate-lowering agents, also known as phosphate binders. The objective of this systematic review is to compare the effects of available phosphate binders on laborato...
Cliff WH. Chemistry misconceptions associated with understanding calcium and phosphate homeostasis. Adv Physiol Educ 33: 323–328, 2009; doi:10.1152/advan.00073.2009.—Successful learning of many aspects in physiology depends on a meaningful understanding of fundamental chemistry concepts. Two conceptual diagnostic questions measured student understanding of the chemical equilibrium underlying ca...
INTRODUCTION We have previously reported results of precipitation studies for neonatal parenteral nutrition solutions containing calcium chloride and sodium phosphate using visual methods to determine compatibility. The purpose of this study was to do further testing of compatibility for solutions containing calcium chloride using more sensitive methods. METHODS Solutions of Trophamine (Braun...
This paper reports on the role of phosphate-based glass (PBG) microspheres and their physicochemical properties including in vitro biological response to human mesenchymal stem cells (hMSCs). Solid porous were prepared via a flame spheroidisation process. The Mg content PBG formulations explored was reduced from 24 2 mol% with subsequent increase Ca content. A small quantity TiO2 (1 mol%) added...
In this study, a new bioactive and light-cure polymeric calcium phosphate nanocomposite containing a powder phase consisting of pure TetraCalciumPhosphate was synthesized by solid state sintering. By using indomethacin, a non-steroidal anti-inflammatory drug, and a liquid phase including polyhydroxy-based resin, Ethyl Methacrylate was prepared and evaluated after curing with the high-intensity ...
Calcium and phosphate absorptions were studied by radiotracer techniques in 30 patients after successful cadaveric renal transplantation, and results were compared with those in a group of normal subjects and in groups of patients with chronic renal failure (CRF). Both calcium and phosphate absorptions were impared in patients with CRF, including those receiving haemodialysis. Abnormalities of ...
Abstract In this work new biodegradable composite materials based on poly(butylene-adipate-co-terephthalate) (PBAT) reinforced with water-soluble calcium-phosphate glass (CPG) microparticles at different filler concentration (0, 4, 10, 20 and 40 wt%) were characterized by dynamic-mechanical analysis (DMA), aging fragmentation tests. DMA results showed increasing storage modulus ( E ′) values th...
A rough surface texture was found on laser sintered titanium substrate, which was responsible for instability of the calcium phosphate layer from the point of view of obtaining good adhesivity to the substrate at given preparation conditions. After the mechanical treatment and following soaking of Ti substrate in 3 M NaOH solution, the surface texture was much smoother than in the original samp...
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