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Primary Amebic Meningoencephalitis: A Case Report
Minhua Chen,Wei Ruan,Lingling Zhang,Bangchuan Hu,Xianghong Yang 대한기생충학ㆍ열대의학회 2019 The Korean Journal of Parasitology Vol.57 No.3
Primary amebic encephalitis (PAM) is a devastating central nervous system infection caused by Naegleria fowl- eri, a free-living amoeba, which can survive in soil and warm fresh water. Here, a 43-year-old healthy male was exposed to warm freshwater 5 days before the symptom onset. He rapidly developed severe cerebral edema before the diagnosis of PAM and was treated with intravenous conventional amphotericin B while died of terminal cerebral hernia finally. Com- paring the patients with PAM who has similar clinical symptoms to those with other common types of meningoencephali- tis, this infection is probably curable if treated early and aggressively. PAM should be considered in the differential diagno- sis of purulent meningoencephalitis, especially in patients with recent freshwater-related activities during the hot season.
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Yue Li,WanWan Li,Minhua Fang,XiaoLin Yao,Chao Chen,Miao Shui,Jie Shu,Yuanlong Ren 한국물리학회 2017 Current Applied Physics Vol.17 No.8
Zn1-xCoxO (0 x 0.15) anode material was prepared by an easy polyacrylamide assisted sol-gel route. The successful replacement of Zinc by Cobalt within Cobalt content x 0.09 was confirmed by structural characterization. The introduction of Cobalt element greatly improved the electro-chemical performances of the matrix Zinc oxide. Without carbon coating, at the 20th cycle, Zn0.91Co0.09O anode still preserved a capacity a little bit more than 1000 mA h g1 and a capacity more than 600 mA h g1 was retained at the end of the 50th cycle. Better rate capability was also witnessed. The SEM, EIS at OCV, CV and in situ XRD were further carried out to elucidate the lithiation mechanism. The role Cobalt doping played can be summarized as follows: the stabilization of the Li2Zn phase, the minimization of charge transfer resistance and the enhanced reversibility of the reduction from metal oxide to metal.
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Lan Lan,Xu Dan,Xia Chen,Wang Shaokang,Yu Minhua,Xu Haibo 대한영상의학회 2020 Korean Journal of Radiology Vol.21 No.7
Objective: The current study reported a case series to illustrate the early computed tomography (CT) findings of coronavirus disease 2019 (COVID-19) in pediatric patients. Materials and Methods: All pediatric patients who were diagnosed with COVID-19 and who underwent CT scan in Zhongnan Hospital of Wuhan University from January 20, 2020 to February 28, 2020 were included in the current study. Data on clinical and CT features were collected and analyzed. Results: Four children were included in the current study. All of them were asymptomatic throughout the disease course (ranging from 7 days to 15 days), and none of them showed abnormalities in blood cell counts. Familial cluster was the main transmission pattern. Thin-section CT revealed abnormalities in three patients, and one patient did not present with any abnormal CT findings. Unilateral lung involvement was observed in two patients, and one patient showed bilateral lung involvement. In total, five small lesions were identified, including ground-glass opacity (n = 4) and consolidation (n = 1). All lesions had ill-defined margins with peripheral distribution and predilection of lower lobe. Conclusion: Small patches of ground-glass opacity with subpleural distribution and unilateral lung involvement were common findings on CT scans of pediatric patients in the early stage of the disease.
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