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CT Images of a Malignant-Transformed Ovarian Mature Cystic Teratoma with Rupture: a Case Report
Po Chin Wang,Tsung Lung Yang,Huay Ben Pan 대한영상의학회 2008 Korean Journal of Radiology Vol.9 No.5
A malignant transformation or a tumor rupture is a rare complication of ovarian mature cystic teratoma (MCT). A tumor rupture in a malignant-transformed MCT has never been reported in the literature. We present the CT images of a 39-yearold woman showing a large, predominantly cystic mass in the lower abdomen, with fat-fluid-level ascites. A contrast-enhanced solid component, with regional discontinuity within the cystic lesion, is also demonstrated. The pathologic diagnosis of the ruptured MCT unveils the malignant transformation (squamous cell carcinoma) and mesenteric carcinomatosis.
Shang-Hui Yang,Jian-Shian Lin,Fuh-Shyang Juang,Ding-Chin Chou,Ming-Hua Chung,Chen-Ming Chen,Lung-Chang Liu 한국물리학회 2013 Current Applied Physics Vol.13 No.5
In this paper, white light emitting diodes (LEDs) with good color rendering indices (CRI) and high luminous efficiencies have been fabricated by the encapsulation of mixed and double-deck phosphors. Experimental results revealed that white LEDs with the encapsulation of double-deck phosphors exhibited better CRI and higher luminous efficiencies than those with the encapsulation of mixed phosphors because no secondary excitation took place. The hue, CRI, and luminous efficiencies of white LEDs with double-deck phosphors under 200 mA were CIEx,y =(0.357, 0.348), 90, and 62.3 lm/W,respectively while the hue, CRI, and luminous efficiencies of white LEDs with mixed phosphors under 200 mA were CIEx,y = (0.366, 0.354), 89, and 56.5 lm/W, respectively.
Pang-Chen Liu,Shun-Kai Yang,Lung-Chin Huang,Huai-Eu Tseng,Fei-Hua Kuo,Tai-Chueh Shih 한국통신학회 2020 한국통신학회 APNOMS Vol.2020 No.09
In recent years, due to customers have higher requirements for 4K/8K video and high-speed internet, telecom operators have begun to deploy FTTH network , but found that it is generally difficult to deploy fiber to the home, so G.fast technology has been favored by most telecom operators around the world and have begun to actively deploy. For the most widely deploy VDSL2 line with maximum rate that can only provide 100M internet service, a intelligent and accurate G.fast 300M high speed service prequalification technology, is a major research topic for telecom operators to promote 300M high-speed internet service. This paper proposes to use AI machine learning to estimate the G.fast line rate by using VDSL2 line attenuation to meet the real-site provision needs of telecommunications operators.
Exendin-4 improves resistance to Listeria monocytogenes infection in diabetic db/db mice
Hsien Yueh Liu,Chih-Yao Chung,Wen-Chin Yang,Chih-Lung Liang,Chi-Young Wang,Chih-Yu Chang,Cicero Lee-Tian Chang 대한수의학회 2012 Journal of Veterinary Science Vol.13 No.3
The incidence of diabetes mellitus is increasing among companion animals. This disease has similar characteristics in both humans and animals. Diabetes is frequently identified as an independent risk factor for infections associated with increased mortality. In the present study, homozygous diabetic (db/db) mice were infected with Listeria (L.) monocytogenes and then treated with the anti-diabetic drug exendin-4, a glucagon-like peptide 1 analogue. In aged db/db mice, decreased CD11b+ macrophage populations with higher lipid content and lower phagocytic activity were observed. Exendin-4 lowered high lipid levels and enhanced phagocytosis in macrophages from db/db mice infected with L. monocytogenes. Exendin-4 also ameliorated obesity and hyperglycemia, and improved ex vivo bacteria clearance by macrophages in the animals. Liver histology examined during L. monocytogenes infection indicated that abscess formation was much milder in exendin-4-treated db/db mice than in the control animals. Moreover, mechanistic studies demonstrated that expression of ATP binding cassette transporter 1, a sterol transporter, was higher in macrophages isolated from the exendin-4-treated db/db mice. Overall, our results suggest that exendin-4 decreases the risk of infection in diabetic animals by modifying the interaction between intracellular lipids and phagocytic macrophages.
Pin-Chuan Chen,Yan-Fong Cheng,Kung-Chia Young,Hung-Lin Hsieh,Chin-Lung Yang 한국정밀공학회 2016 International Journal of Precision Engineering and Vol.17 No.11
To realize a portable, capillary-driven, and parallelized microfluidic chip, how to evenly distribute a liquid plug from the inlet to multiple daughter microchannels is a challenging task. Two approaches were adopted to generate sufficient capillary pressure to allow a liquid plug spontaneously flowing through bifurcation features, including enlarging the contact perimeter between the liquid plug and microchannel walls and applying hydrophilic coating to the microchannel walls. A 1-to-2 bifurcation microfluidic chip and a 1-to-4 bifurcation microfluidic chip were designed and fabricated on PMMA substrates for experiments. Initially red food dye was used to demonstrate the effectiveness of the chips, and experiment results revealed that the 1-to-2 microfluidic chip is capable of 100% liquid splitting efficiency with a CV of 5.7% whereas the 1-to-4 microfluidic chip is capable of 83% liquid splitting efficiency with a CV of 6.7%. After successfully conducting experiments with red food dye, human whole blood and blood plasma were introduced into the 1-to-2 microfluidic chips and splitting efficiency was investigated. The experiment results showed a 33% and 67% splitting efficiency for human whole blood and blood plasma, respectively. And the lower splitting efficiency can be attributed to the complex and Non-Newtonian fluidic property of the blood.