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Ultrasonographic Resistive Index of the Cranial Pancreaicoduodenal Artery in Normal Conscious Dogs
Ki-DongEom,Hae-oonLee,Yun-sangSeong,Jeong-minLee,Jong-wonLee,Tae-hoOh 한국임상수의학회 2003 한국임상수의학회지 Vol.20 No.3
The purpose of this study was to determine the range of resistive index(RI) of the cranial pancreaticoduodenal artery(cPDA) in the normal dog's and to assess the possibility of clinical application of RI for diagnosing a pancreatitis. Five patients with acute pancreatitis and 17 healthy adult beagle dogs were used. Duplex color Doppler ultrasonographic examination was performed by using a real-time scanner with 11-MHz linear-array transducer. The dogs were restrained in dorsal recumbency without the use of chemical agent. The mean RI of the normal pancreas(0.63±0.04) was significantly(t=5.79, p=0.001) different from acute pancreatitis dog(0.75±0.04). Duplex color Doppler ultrasonography was an useful technique for detecting and measuring RI of the cPDA. The evaluation of RI of the cPDA may be a valuable supportive diagnostic procedure for evaluating the pancreatitis or suspected in dogs.
Synthesis and Characterization of Nanosized MnxFe2O4 Powders by Glycothermal Process
Dong-SikBae,Eun-JungKim,Hae-WonLee,Kyong-SopHan 한국세라믹학회 2002 한국세라믹학회지 Vol.39 No.10
Nanosized MnxFe2O4 powders were prepared in ethylene glycol solution under mild temperature and pressure conditions by precipitation from metal nitrates with aqueous potassium hydroxide. The average size and distribution of the synthesized MnxFe2O4 powders was about 20 ㎚ and broad, respectively. The phase of synthesized particles was crystalline reacted at 200 0C for 6 h.. The magnetic properties of the synthesized MnxFe2O4 powders were about 35-60 (emu/g) with superparamagnetic character.