نتایج جستجو برای: caso4

تعداد نتایج: 452  

2013
J. A. Wani

CaSO4: Dy, P is known for its dosimetric characteristics for a very long time now. In this work we have carried out a comparative study on TL intensity of CaSO4: Dy, P, Ce phosphors using two different wet chemical synthesis routes. Nobody seems to have reported this kind of study on CaSO4: Dy, P, Ce 3+ phosphors and as a result it may be regarded as something new. Phosphors were characterized ...

Journal: :Journal of materials science. Materials in medicine 2016
Jisheng Gu Teng Wang Guoxin Fan Junhua Ma Wei Hu Xiaobing Cai

The aim of this study was to evaluate the in vitro and in vivo biocompatibility of artificial bone based on vancomycin loaded mesoporous silica nanoparticles and calcium sulfate composites. In vitro cytotoxicity tests by cholecystokinin octapeptide (CCK-8) assay showed that the 5%Van-MSN-CaSO4 and Van-CaSO4 bone cements were cytocompatible for mouse osteoblastic cell line MC3T3-E1. The microsco...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه کاشان - دانشکده علوم 1390

دو فسفرcaso4:dy وcaso4:tm به دلیل حساسیت بالا، روش تهیه آسان و مقاومت شیمیایی خوب خود کاربرد وسیعی در دزیمتری تابش پیدا کردند. سپس محققان اثر ناخالصی های دیگر مانند pb،mn،ag و ...را بر روی پاسخ کریستال caso4:dy بررسی کرده اند. در پایان نامه مرجع [25] کریستال های caso4:dy,mn و caso4:tm,mn ساخته شده و خواص ترمولومینسانس و دزیمتری آن ها بررسی شده است. این پژوهش در ادامه کار مرجع [25] است. و به بر...

2012
Erica Kholinne Ismail H. Dilogo

Background: Many studies have reported the role of Mesenchymal Stem Cells (MSC) in treating fractures. In case with bone defect, fracture healing needs not only osteogenic but also osteoconductive component (scaffold). Hydroxyapatite calcium sulphate (HA-CaSO4) being widely used as bone void filler, may serve as scaffold for MSC. However, the effect of this scaffold to the viability of MSC has ...

2002

Introduction: A previous study indicated that the area fraction of new bone after 6 weeks was greater in cavitary defects treated with calcium sulfate (CaSO4) pellets (mean 14.3%) compared to CaSO4 pellets containing demineralized bone particles (DBM) (10.5%) (p=.035) [1]. The CaSO4-treated defects exhibited a unique pattern of circular lamellae of residual CaSO4 and abundant new trabeculae of ...

Journal: :Korean journal for food science of animal resources 2014
Munkhtugs Davaatseren Ji-Yeon Chun Hyung-Yong Cho Sang-Gi Min Mi-Jung Choi

This study investigated the effects of NaCl replacers (KCl, CaSO4, and MgSO4) on the quality and sensorial properties of pork patty. In the characteristics of spray-dried salt particles, KCl showed the largest particle size with low viscosity in solution. Meanwhile CaSO4 treatment resulted in the smallest particle size and the highest viscosity (p<0.05). In comparison of the qualities of pork p...

Journal: :Microbes and environments 2016
Sachiko Masuda Zhihua Bao Takashi Okubo Kazuhiro Sasaki Seishi Ikeda Ryo Shinoda Mizue Anda Ryuji Kondo Yumi Mori Kiwamu Minamisawa

Under paddy field conditions, biological sulfur oxidation occurs in the oxidized surface soil layer and rhizosphere, in which oxygen leaks from the aerenchyma system of rice plants. In the present study, we examined community shifts in sulfur-oxidizing bacteria associated with the oxidized surface soil layer and rice roots under different sulfur fertilization conditions based on the 16S ribosom...

2011
Long D. Nghiem Tzahi Cath

Membrane scaling during the treatment of aqueous solutions containing sparingly soluble salts by direct contact membrane distillation (DCMD) was investigated. The results reveal that membrane scaling caused by CaSO4 was more severe than that by CaCO3 or silicate. However, under the experimental condition used in this study and at feed and distillate temperature of 20 C and 40 C, respectively, C...

Journal: :Radiation protection dosimetry 2009
A K Bakshi A S Pradhan R K Kher K Srivastava G Varadharajan S Chatterjee V Sathian

In the present paper, we report the indigenous development of a neutron-sensitive thermoluminescent dosemeter (TLD) based on CaSO4:Dy Teflon TL disc. The study includes indigenous development of a neutron dosemeter and its response in terms of operational quantity to different energies of neutrons under various irradiation conditions. It was found that the thermal neutron sensitivity of the CaS...

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