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Chronic Intestinal Pseudo-Obstruction Caused by Intestinal Adenocarcinoma in a Mixed-Breed Dog
Heesup Moon,Subin Hong,Sangyeoun Kim,Sungguon Park,Taehwan Kim,Na-Hyun Kim,이재훈 한국임상수의학회 2016 한국임상수의학회지 Vol.33 No.4
A 9-year-old, mixed-breed, castrated male dog presented with a one-week history of severe vomiting. Abdominal radiography showed a dilated small intestine loop. Abdominal ultrasonography showed small-intestinedistension up to 5 cm in diameter without mechanical obstruction. During exploratory laparotomy, an aperistaltic ilealsegment was resected. There was no narrowed cavity in the resected plane. Histopathologic and immunohistochemicalfindings confirmed visceral myopathy due to intestinal adenocarcinoma in the ileum and revealed partial destructionof the longitudinal and circular muscles with fibrosis. Chronic intestinal pseudo-obstruction caused by adenocarcinomawas diagnosed after considering the above investigative results.
CMOS Security-Enhanced Passive (SEP) Tag Supporting to Mutual Authentication
Hyunseok Kim,Tae-hun Ki,Sangyeoun Lee,Heyung-sub Lee IEEE 2014 IEEE transactions on industrial electronics Vol.61 No.9
<P>A new cryptographic suite (CS) for mutual authentication is proposed on the basis of the next Electronic Product Code Class-1 Generation-2 (C1G2) standard. The Advanced Encryption Standard cryptographic algorithm with a block size of 128-b is used, and a modified output-feedback mode is applied for generating a key, encrypting data, and decrypting data. As a result, the proposed mutual authentication has fast processing speed. To install this CS into the CMOS passive tag, several low-power design techniques are utilized for the digital processor. The fully integrated CMOS security-enhanced passive (SEP) tag is designed and implemented with the Tower 0.18- μm CMOS process. Regardless of secure level on radio-frequency-identification communications, the CMOS SEP tag intercommunicates with the SEP interrogator emulator under a long identification range. In the measured results, the CMOS SEP tag has sensitivities of -12.0 and - 11.6-dBm in insecure and secure communications, respectively. Moreover, it takes a short time of around 40 ms to mutually authenticate a couple of tag and interrogator. Therefore, it is expected to take roughly 1 s for mutual authentications between 25 tags and 1 interrogator.</P>