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Sakoda, Akiyoshi,Wang, Jianzhong,Fujii, Takao,Suzuki, Motoyuki 嶺南大學校 環境問題硏究所 1995 環境硏究 Vol.14 No.2
When biological activated carbon (BAC) treatment is applied to the drinking water treatment, trihalomethane formation potential (THMFP) should be controlled to satisfy the water quality regulations. However, since the behavior of THM precursors in BAC is not clarified yet, the effluent THMFP is not guaranteed to be low enough. In this work, adsorption and biodegradation properties of trihalomethane precursors met in BAC treatment were experimentally investigated, which were the biochemicals produced by bacterial growth and autolysis taking place during the BAG treatment. It has become clear that the effluent THMFP is controlled by autolysis by-products with higher adsorbability and very low biodegradability.
An attempt to organize bioassays' data of various chemicals
Sakoda, Akiyoshi,Shoji, Ryo,Sakai, Yasuyuki,Suzuki, Motoyuki,Utsumi, Hideo 嶺南大學校 環境問題硏究所 1998 環境硏究 Vol.18 No.1
Abstract Environmental waters such as river and lake waters are most likely polluted by a numerous number of chemicals produced and emitted by human activities nowadays. Bioassays are considered to be rational methodologies for evaluating their toxicities against human beings and ecosystems. The various kinds of bioassays data for chemicals have been accumulated so far in the literature. Organizing bioassays data of various chemicals was tried in this work in order to make use of those data much more effectively and practically for the toxicity control and management of environmental waters. Environmental waters such as river and lake waters are most likely polluted by a numerous number of chemicals produced and emitted by human activities nowadays. Bioassays are considered to be rational methodologies for evaluating their toxicities against human beings and ecosystems. The various kinds of bioassays data for chemicals have been accumulated so far in the literature. Organizing bioassays data of various chemicals was tried in this work in order to make use of those data much more effectively and practically for the toxicity control and management of environmental waters.
제1형 신경섬유종증 환자의 파열된 위십이지장동맥 동맥류에서 발생한 위중한 십이지장 궤양 출혈
임규성 ( Kyu Sung Im ),김선용 ( Sun Yong Kim ),임준욱 ( Jun Uk Lim ),전장원 ( Jung Won Jeon ),신현필 ( Hyun Phil Shin ),차재명 ( Jae Myung Cha ),주광로 ( Kwang Ro Joo ),이정일 ( Joung Ll Lee ),박재준(교신저자) ( Jae Jun Park ) 대한소화기학회 2015 대한소화기학회지 Vol.66 No.3
Vasculopathy is rarely reported in neurofibromatosis type 1, but when it occurs it primarily involves the aorta and its main branches. Among vasculopathies, aneurysmal dilatation is the most common form. Although several case reports concerning aneurysms or pseudoaneurysms of visceral arteries in neurofibromatosis type 1 patients have been reported, there are no reports describing gastroduodenal artery aneurysms associated with neurofibromatosis type 1. We experienced a case of life-threatening duodenal ulcer bleeding from a ruptured gastroduodenal artery aneurysm associated with neurofibromatosis type 1. We treated our patient by transarterial embolization after initial endoscopic hemostasis. To our knowledge, this is the first reported case of its type. High levels of suspicion and prompt diagnosis are required to select appropriate treatment options for patients with neurofibromatosis type 1 experiencing upper gastrointestinal bleeding. Embolization of the involved arteries should be considered an essential treatment over endoscopic hemostasis alone to achieve complete hemostasis and to prevent rebleeding. (Korean J Gastroenterol 2015;66:164-167)