نتایج جستجو برای: Barium Fluoride

تعداد نتایج: 28441  

هاشمی, سید حسام الدین, فربد, منصور,

In this work, barium zirconate nanoparticles were prepared by sol gel technique in four different conditions. In these conditions zirconium n-propoxide(Zr(OPrn)4) was used as the source of zirconium. Also barium hydroxide (Ba(OH)2.8H2O) and barium acetate (Ba(CH3COO)2) were used as the source of barium.Water and isopropyl alcohol were used as the solvents. The samples were characterized by SEM ...

2013
Zhong Hua Luo Alex Chung Gibok Choi Yih Huie Lin Huajin Pang Barry T. Uchida Dusan Pavcnik Miran Jeromel Frederick S. Keller Josef Rösch

BACKGROUND Barium sulfate powder used for radiopacity of experimental blood clots (EBCs) for testing mechanical thrombectomy devices (MTD) has negative effects on EBCs mechanical properties. In vitro and in vivo exploration was performed to determine if the iodine based contrast medium will have less negative effects on the EBCs than barium. MATERIALS AND METHODS Fresh blood from 2 swine was ...

2014
Jae Jin KO F. A. (Tony) MANN

Barium peritonitis is extremely rare, but is difficult to treat and may be life-threatening. Barium suspension leakage from the gastrointestinal tract into the abdominal cavity has a time-dependent and synergistically deleterious effect in patients who have generalized bacterial peritonitis. The severity of barium peritonitis is dependent on the quantity of barium in the abdominal cavity. Bariu...

2011
Nguyen Dinh Thang Ichiro Yajima Mayuko Y. Kumasaka Shoko Ohnuma Takeshi Yanagishita Rumiko Hayashi Hossain U. Shekhar Daisuke Watanabe Masashi Kato

Explosive increases in skin cancers have been reported in more than 36 million patients with arsenicosis caused by drinking arsenic-polluted well water. This study and previous studies showed high levels of barium as well as arsenic in the well water. However, there have been no reports showing a correlation between barium and cancer. In this study, we examined whether barium (BaCl(2)) may inde...

2016
Hideki Katagiri Alan Kawarai Lefor Tadao Kubota Ken Mizokami

AIM To review clinical experience with barium appendicitis at a single institution. METHODS A retrospective review of patients admitted with a diagnosis of acute appendicitis, from January 1, 2013 to December 31, 2015 was performed. Age, gender, computed tomography (CT) scan findings if available, past history of barium studies, pathology, and the presence of perforation or the development of...

Journal: :Journal of neurophysiology 2000
E Solessio D M Linn I Perlman E M Lasater

Müller cells are highly permeable to potassium ions and play a crucial role in maintaining potassium homeostasis in the vertebrate retina. The potassium current found in turtle Müller cells consists of two components: an inwardly rectifying component and a linear, passive component. These currents are insensitive to broadband potassium channel blockers, tetraethylammonium (TEA) and 4-aminopyrid...

Journal: :iranian journal of health sciences 0
lida rafati ph.d student of environmental health, shahidsadoughiunivercity of medical sciences. yazd, iran&vice-chancellor for health, hamadan university of medical sciences, iran mehdi mokhtari department of environmental health engineering, school of public health, shahidsadoghi university of medical sciences, yazd, iran fatemeh fazelinia m.s.c environmental health department of health, arak university of medical sciences, iran seyedmojtaba momtaz department of environmental health engineering, school of public health, shahidsadoghi university of medical sciences, yazd, iran amir hossein mahvi school of public health & center for solid waste research, institute for environmental research & national institute of healthresearch tehran university of medical sciences, tehran, iran.

background and purpose: fluoride is one of the drinking water contaminants regulated by epa. this ion, in low doses in the mouth reduces tooth decay without health risk and at much higher doses causes health complications and can be toxic. the major sources of exposure to fluoride are drinking water, food, dental products, and pesticides. the biggest contributor to exposure for most people in i...

Journal: :آب و خاک 0
مریم محسنی سجادی مجید افیونی حسین خادمی سید اسداله محسنی موحد شمس اله ایوبی

abstract fluoride (f-) is an essential element for human and some animals. the fluoride concentration in irrigation water is an important index for water quality. the objective of the present study was to determine spatial variability of fluoride in groundwater and soils of some areas in arak plain. therefore, during two seasons, autumn (2007) and the end of spring (2008), 87 and 92 water sampl...

ژورنال: مجله دندانپزشکی 2006
آخوندی, نسرین , سراج, بهمن , شهرابی, مهدی , فلاح‌زاده, فرناز , فلاح‌زاده, محمد ,

Background and Aim: Human and animal studies linking fluoride with diminished intelligence have been published. Although adverse effects of high intake of fluoride on intelligence and mental acuity continue to be reported, they are still controversial. The aim of this research was to investigate the relationship between fluoride in drinking water and children's intelligence. Materials and Metho...

ATAIE A., , SHEIKHI MOGHADDAM K., ,

Ultra-fine particles of barium hexaferrite have been synthesized by co-precipitation method using barium nitride and iron chloride precursors with a Fe/Ba molar ratio of 11. Co-precipitation was carried out at 25 and 80°C using NaOH as a precipitant. Effect of coprecipitation and annealing temperatures on the phase composition and morphology of the products have been investigated using XRD and ...

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