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REMEDIATION OF DXNS-CONTAMINATED WATER IN PONDS
( Yasuo Horii ),( Yasushi Terno ),( Tomohiko Sasaki ),( Tetsuhiro Hasegawa ),( Shigeyuki Mori ) 한국폐기물자원순환학회 2002 APLAS Vol.2002 No.1
We developed the decomposition system of DXNs in water by UV- and Ozone-treatment. The system was applied to DXNs-contaminated water in ponds around a municipal solid waste incineration plant in JAPAN. The system has the following features, (1) high ratio of the decomposition, (2) easy operation and maintenance (operated under room temperature and atmospheric pressure) (3) simple structure, (4) no risk of DXNs evaporation and (5) availability of the unit type suitable for an erection. The system demonstrated its high performance treating 50㎥/d of DXNs-contaminated water stably for 4 months, thereby decreasing DXNs from 17 - 270 pg- TEQ/L to below the guarantee level 0.1 pg-TEQ/L. Since the system runs hands-off and is equipped with the automatic shutdown mechanism together with the remote alarm system, the personnel in charge only needs to diagnose in weekdays and is kept informed of the system condition during weekends.
( Yasuo Horii ),( Yasushi Terao ),( Tomohiko Sasaki ),( Tetsuhiro Hasegawa ),( Shigeyuki Mori ) 한국폐기물자원순환학회 2002 APLAS Vol.2002 No.2
UV- 및 Ozone 처리에 의한 수중 다이옥신류 분해 시스템을 개발하였으며, 본 시스템은 일본의 도시고형폐기물 소각시설 주변의 다이옥신으로 오염된 호수에 적용되었다. 본 시스템의 특징은 다음과 같다. ⑴ 고 분해비, ⑵ 운전 및 유지 관리의 용이(실온 및 기압에서 운전됨) ⑶ 간단한 구조, ⑷ 다이옥신류 증발 위해성이 없음 ⑸ 설치에 알맞은 유용한 설비 형태 본 시스템은 4개월 동안 다이옥신류에 오염된 물 50 m3/day를 안정적으로 고 성능 처리하였으며, 그 결과 17-270 pg-TEQ/L의 다이옥신류 농도를 0.1 pg-TEQ/L 이하로 감소시켰다. 본 시스템은 원격 경보 시스템이 장치된 자동 설비이므로, 작업자는 단지 주중에는 기기를 보호 감시하고, 주말에는 시스템 조건에 대한 정보를 유지하면 된다. We developed the decomposition system of DXNs in water by UV- and Ozone-treatment. The system was applied to DXNs-contaminated water in ponds around a municipal solid waste incineration plant in JAPAN. The system has the following features, ⑴ high ratio of the decomposition, ⑵ easy operation and maintenance (operated under room temperature and atmospheric pressure) ⑶ simple structure, ⑷ no risk of DXNs evaporation and ⑸ availability of the unit type suitable for an erection. The system demonstrated its high performance treating 50m3/d of DXNs-contaminated water stably for 4 months, thereby decreasing DXNs from 17 - 270 pg-TEQ/L to below the guarantee level 0.1 pg-TEQ/L. Since the system runs hands-off and is equipped with the automatic shutdown mechanism together with the remote alarm system, the personnel in charge only needs to diagnose in weekdays and is kept informed of the system condition during weekends.
Tan, Ce,Mori, Mitsuru,Adachi, Yasushi,Wakai, Kenji,Suzuki, Sadao,Suzuki, Koji,Hashimoto, Shuji,Watanabe, Yoshiyuki,Tamakoshi, Akiko Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.10
Objective: Our aim was to estimate whether diabetes mellitus (DM) may be associated with an increased risk of colorectal cancer (CRC) mortality in Japan. Methods: The Japan Collaborative Cohort (JACC) Study is a nationwide prospective study, initiated in 1988, which involves 110,585 subjects (age range: from 40 to 79 years; 46,395 males and 64,190 females). Our present analysis population comprised 96,081 (40,510 men and 55,571 women) who provided details on DM history. The questionnaire also included age, sex, weight, height, family history of CRC, smoking, drinking and exercise habits, and education. Cox proportional-hazard regression was used to estimate the hazard ratio (HR). We used SPSS 21 software to analyze all data. Results: Among the participants with DM, we followed up for 71,174 person-years and 640. deaths from CRC were confirmed; and, among the non-diabetic participants, 785 CRC deaths were identified during 1,499,324 person-years. After adjusting for multivariate confounding factors, such as age, sex, body mass index (BMI), family history of colorectal cancer, smoking habit, drinking habit, physical activity (sports and walking) and education, DM was associated with an increased risk of CRC death (HR 1.4, 95% confidence interval [CI] 1.0-2.0). Diabetic women, but not diabetic men, experienced increased mortality from CRC (HR 1.7, 95% CI 1.0-3.0). Conclusion: The risk of CRC mortality is significantly increased in both sexes and women with diabetes, but no significant increase was seen for diabetic men among Japanese.
Toyota Kazuhiro,Mori Masayuki,Hirahara Satoshi,Yoshioka Shoko,Kubota Haruna,Yano Raita,Kobayashi Hironori,Hashimoto Yasushi,Sakashita Yoshihiro,Yokoyama Yujiro,Murakami Yoshiaki,Miyamoto Katsunari 대한위암학회 2022 Journal of gastric cancer Vol.22 No.1
Purpose: Nutritional problems after gastrectomy affect continuation of postoperative chemotherapy. There have been no studies limited to total gastrectomy, which is particularly prone to nutritional problems. In this study, we aimed to investigate the factors that predict the continuation of postoperative chemotherapy. Materials and Methods: We included 101 patients who underwent curative total gastrectomy and postoperative chemotherapy at Hiroshima Memorial Hospital. The effects of 37 factors, including perioperative inflammatory, nutritional, and tumor status, on the persistence of postoperative chemotherapy were analyzed. Results: In univariate analysis of preoperative factors, age, carbohydrate antigen 19-9, platelet-to-neutrophil ratio, Onodera's prognostic nutritional index (PNI), controlling nutritional status score, and nutritional risk screening (NRS-2002) score were significantly associated with the duration of postoperative chemotherapy. In multivariate analysis of preoperative factors, age (≥74 years) was an independent factor for a shorter duration of postoperative chemotherapy (hazard ratio [HR], 5.24; 95% confidence interval [CI], 2.19–12.96; P<0.01). In univariate analysis of factors before postoperative chemotherapy, intraoperative blood loss, perioperative weight loss rate, postoperative performance status, PNI, albumin-to-bilirubin index, and NRS-2002 score were significantly associated with the duration of postoperative chemotherapy. In multivariate analysis of factors before postoperative therapy, age (≥74 years) (HR, 5.75; 95% CI, 1.90–19.49; P<0.01) and PNI (<39) (HR, 3.29; 95% CI, 1.26–8.56; P=0.02) were independent factors for a shorter duration of postoperative chemotherapy. Conclusions: Age and PNI are useful predictors of postoperative chemotherapy intolerance after total gastrectomy and may determine the treatment strategy and timing of chemotherapy initiation.
Aglycone specificity of <i>Escherichia coli</i>α‐xylosidase investigated by transxylosylation
Kang, Min‐,Sun,Okuyama, Masayuki,Yaoi, Katsuro,Mitsuishi, Yasushi,Kim, Young‐,Min,Mori, Haruhide,Kim, Doman,Kimura, Atsuo BLACKWELL 2007 FEBS JOURNAL Vol.274 No.23
<P>The specificity of the aglycone‐binding site of <I>Escherichia coli</I>α‐xylosidase (YicI), which belongs to glycoside hydrolase family 31, was characterized by examining the enzyme's transxylosylation‐catalyzing property. Acceptor specificity and regioselectivity were investigated using various sugars as acceptor substrates and α‐xylosyl fluoride as the donor substrate. Comparison of the rate of formation of the glycosyl–enzyme intermediate and the transfer product yield using various acceptor substrates showed that glucose is the best complementary acceptor at the aglycone‐binding site. YicI preferred aldopyranosyl sugars with an equatorial 4‐OH as the acceptor substrate, such as glucose, mannose, and allose, resulting in transfer products. This observation suggests that 4‐OH in the acceptor sugar ring made an essential contribution to transxylosylation catalysis. Fructose was also acceptable in the aglycone‐binding site, producing two regioisomer transfer products. The percentage yields of transxylosylation products from glucose, mannose, fructose, and allose were 57, 44, 27, and 21%, respectively. The disaccharide transfer products formed by YicI, α‐<SMALL>d</SMALL>‐Xyl<I>p</I>‐(1→6)‐<SMALL>d</SMALL>‐Man<I>p</I>, α‐<SMALL>d</SMALL>‐Xyl<I>p</I>‐(1→6)‐<SMALL>d</SMALL>‐Fru<I>f</I>, and α‐<SMALL>d</SMALL>‐Xyl<I>p</I>‐(1→3)‐<SMALL>d</SMALL>‐Fru<I>p</I>, are novel oligosaccharides that have not been reported previously. In the transxylosylation to cello‐oligosaccharides, YicI transferred a xylosyl moiety exclusively to a nonreducing terminal glucose residue by α‐1,6‐xylosidic linkages. Of the transxylosylation products, α‐<SMALL>d</SMALL>‐Xyl<I>p</I>‐(1→6)‐<SMALL>d</SMALL>‐Man<I>p</I> and α‐<SMALL>d</SMALL>‐Xyl<I>p</I>‐(1→6)‐<SMALL>d</SMALL>‐Fru<I>f</I> inhibited intestinal α‐glucosidases.</P>
Takuya Misugi,Takashi Juri,Koichi Suehiro,Kohei Kitada,Yasushi Kurihara,Mie Tahara,Akihiro Hamuro,Akemi Nakano,Masayasu Koyama,Takasi Mori,Daisuke Tachibana 대한산부인과학회 2022 Obstetrics & Gynecology Science Vol.65 No.4
ObjectiveThis study aimed to investigate the accuracy and precision of continuous, non-invasive blood pressure obtained usingthe ClearSight system by comparing it with invasive arterial blood pressure, and to assess the hemodynamic changesusing invasive methods and the ClearSight system in patients undergoing cesarean section. MethodsArterial pressure was measured invasively with an intra-arterial catheter and non-invasively using the ClearSightsystem during cesarean section in patients with placenta previa or placenta accreta. Blood pressure measurementsobtained using these two means were then compared. ResultsTotal 1,277 blood pressure measurement pairs were collected from 21 patients. Under Bland-Altman analysis, theClearSight system demonstrated an acceptable accuracy with a bias and standard deviation of 8.8±13.4 mmHg forsystolic blood pressure, -6.3±7.1 mmHg for diastolic blood pressure, and -2.7±8.0 mmHg for median blood pressure. Cardiac index levels were significantly elevated during fetal delivery and 5 minutes after placental removal, andsystemic vascular resistance index levels were significantly decreased during fetal delivery and 40 minutes afterplacental removal. ConclusionIn patients undergoing cesarean section, the ClearSight system showed excellent accuracy and precision compared tothat of the currently used invasive monitoring system. 영어