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一种用分光光度计快速测定水中痕量磷酸盐和砷酸盐的方法

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环境科学与管理 1988年第5期 64-68页

作者： Chiyo matsubara 薛如

本文提出了一种简单快速测定水中痕量磷酸盐和砷酸盐的方法。将磷酸盐和砷酸盐与含有钼酸铵和孔雀绿混合液的试剂反应,形成的磷铝酸盐和砷钼酸盐的孔雀绿团粒有选择地收集在硝化纤维滤膜(孔径为3μm)上,并与滤膜一起溶解在甲基溶纤剂中... 详细信息

本文提出了一种简单快速测定水中痕量磷酸盐和砷酸盐的方法。将磷酸盐和砷酸盐与含有钼酸铵和孔雀绿混合液的试剂反应,形成的磷铝酸盐和砷钼酸盐的孔雀绿团粒有选择地收集在硝化纤维滤膜(孔径为3μm)上,并与滤膜一起溶解在甲基溶纤剂中,所得溶液的摩尔吸光系数为2.7×10～5l/mol·cm,其吸光度A(P+As)(入=627nm)与磷酸盐和砷酸盐的总浓度成正比。将砷酸盐的还原剂硫代硫酸盐加入水样中,即可如上所述测出溶液的吸光度A(P)。吸光度A(P)相应于单纯磷酸盐的浓度,而差值A(P十As)-A(P)即为砷酸盐浓度。本文所提出的方法使得有可能测定浓度范围为0.3～150PPb的磷酸盐和砷酸盐。

关键词：磷酸盐团粒磷肥球粒砷化合物砷酸盐无机杀菌剂孔雀绿快速测定

Maintenance treatment with infliximab for ulcerative ileitis after intestinal transplantation: A case report

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World Journal of Clinical Cases 2021年第19期9卷 5270-5279页

作者： Takumi Fujimura Yohei Yamada Tomoshige Umeyama Yumi Kudo Hiroki Kanamori Teizaburo Mori Takahiro Shimizu Mototoshi Kato Miho Kawaida Naoki Hosoe Yasushi Hasegawa Kentaro matsubara Naoki Shimojima Masahiro Shinoda Hideaki Obara Makoto Naganuma Yuko Kitagawa Ken Hoshino Tatsuo Kuroda Department of Pediatric Surgery National Saitama HospitalWako ShiSaitama 351-0102Japan Department of Pediatric Surgery Keio University School of MedicineTokyo 160-8582Japan Department of Pathology Keio University School of MedicineTokyo 160-8582Japan Center for Diagnostic and Therapeutic Endoscopy Keio University School ofMedicineTokyo 160-8582Japan Department of Surgery Keio University School of MedicineTokyo 160-8582Japan Digestive Diseases Center International University of Health and WelfareMita HospitalTokyo 108-8329Japan Department of Gastroenterology and Hepatology Keio University School of MedicineTokyo 160-8582Japan

BACKGROUND Evidence has been published on the successful applications of the anti-tumor necrosis factor alpha antibody infliximab,such as induction therapy,salvage treatment for acute cellular rejection,and treatment for chronic ulcerative inflammation,in intestinal transplant ***,the optimal protocol for the effective use of infliximab remains largely undetermined due to scarcity of available clinical *** report a continuative application of infliximab as maintenance therapy for recurrent chronic ulcerative ileitis in a recipient of isolated intestinal transplantation(ITx).CASE SUMMARY The patient was a 11-year-old boy with intestinal motility disorder classified as a hypogenic type of intestinal *** patient underwent living-donor related intestinal *** immunosuppression regimen consisted of daclizumab,tacrolimus,and *** he did not show rejection while on tacrolimus monotherapy,routine screening endoscopy showed several ulcerative lesions in the distal end of the graft 2 years after the intestinal *** work up to evaluate the progression of anemia revealed stenosis with ulcerative inflammatory changes and multiple longitudinal ulcers in the *** the endoscopic findings suggested ulcerative lesions in Crohn’s disease,infliximab treatment was *** with infliximab and a small dose of oral prednisolone afforded successful withdrawal of total parenteral nutrition and maintenance of a well-functioning graft without infectious complications for 5 years since the administration of the first dose of *** Infliximab is effective as maintenance therapy for recurrent chronic ulcerative ileitis in an isolated ITx patient.

关键词： Intestinal transplantation Chronic ulcer Infliximab Crohn’s disease Tumor necrosis factor alpha Case report

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肿瘤患者脑局部葡萄糖代谢变化的SPM分析

中国医学影像技术 2004年第3期20卷 455-457页

作者：袁志斌 matsubara K Higuchi T Oriuchi N Endo K 上海交通大学上海市第六人民医院核医学科上海200233 日本群马大学医学部核医学科

目的　用1 8F 脱氧葡萄糖 (1 8F FDG)PET显像和SPM软件研究分析肿瘤患者脑局部葡萄糖代谢的变化。方法　研究对象为 2 0例确诊为无脑疾患的恶性肿瘤患者和 2 0例健康志愿者。1 8F FDG PET显像后 ,用统计参数显像 (SPM)法比较分析肿瘤患... 详细信息

目的　用1 8F 脱氧葡萄糖 (1 8F FDG)PET显像和SPM软件研究分析肿瘤患者脑局部葡萄糖代谢的变化。方法　研究对象为 2 0例确诊为无脑疾患的恶性肿瘤患者和 2 0例健康志愿者。1 8F FDG PET显像后 ,用统计参数显像 (SPM)法比较分析肿瘤患者和健康志愿者脑葡萄糖代谢的差别。结果　SPM分析显示肿瘤患者的的脑岛、松果体、顶叶皮质、小脑蚓部、颞叶和前额叶都表现为不同程度的葡萄糖代谢低下。结论　肿瘤病人的抑郁表现与脑葡萄糖代谢降低相关 ,SPM方法是一种客观和直观的分析脑功能性变化的工具。

关键词：肿瘤 ^18F-脱氧葡萄糖抑郁症正电子发射断层统计参数图

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ACADEX小学(第一、第二栋教室),金沙萨,刚果民主共和国

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世界建筑 2011年第1期 96-101页

作者： Keio University SFC Hironori matsubara Laboratory 庆应义塾大学SFC松原弘典研究室

在刚果自建学校此契机缘于大学的一个小型交流,一位刚果教师不久将回国,他想回老家建造并经营一所学校。刚果民主共和国长期连续内战,但西部金沙萨相对安定。因基础设施不完善,初等教育大体上依靠民间。ACADEX小学也是私立学校之一。

关键词：刚果民主共和国小学金沙教室私立学校基础设施初等教育

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Monitoring salivary amylase activity is useful for providing timely analgesia under sedation

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World Journal of Gastrointestinal Endoscopy 2014年第6期6卷 240-247页

作者： Masaya Uesato Yoshihiro Nabeya Takashi Akai Masahito Inoue Yoshiyuki Watanabe Daisuke Horibe Hiroshi Kawahira Hideki Hayashi Hisahiro matsubara Department of Frontier Surgery Chiba University Graduate School of Medicine Division of Gastroenterological Surgery Chiba Cancer Center Department of Endoscopic Diagnostics and Therapeutics Chiba University Hospital Research Center for Frontier Medical Engineering Chiba University

AIM:To detect the criteria and cause of elevated salivary amylase activity(sAMY)in patients undergoing endoscopic submucosal dissection(ESD)under ***:A total of 41 patients with early gastric cancer removed via ESD under deep sedation(DS)were *** perioperative sAMY,which was shown as sympathetic excitements(SE),was *** time at which a patient exhibited a relatively increased rate of sAMY compared with the preoperative baseline level(IR,%)≥100%(twice the actual value)was assumed as the moment when the patient received *** the 41 patients,we focused on 14 patients who exhibited an IR≥100% at any time that was associated with sAMY elevation during ESD(H-group)and examined whether any particular endoscopic procedures can cause SE by simultaneously monitoring the sAMY *** a patient demonstrated an elevated sAMY level above twice the baseline level,the endoscopic procedure was immediately *** the impossible case of discontinuance,analgesic medicines were *** study was performed ***:A total of 26 episodes of sAMY eruption were considered moments of SE in the *** baseline level of sAMY significantly increased in association with an IR of>100% at 5 min,with a significant difference(IR immediately before elevation/IR at elevation of sAMY=8.72±173/958±1391%,P<0.001).However,effective intervention decreased the elevated sAMY level immediately within only 5 min,with a significant difference(IR at sAMY elevation/immediately after intervention=958±1391/476±1031,P<0.001).The bispectral indices,systolic blood pressure and pulse rates,which were measured at the same time,remained stable throughout the *** endoscopic insertion or over insufflation was performed during 22 of the 26 *** of the gastric wall tension and/or the administration of analgesic medication resulted in the immediate recovery of the elevated sAMY level,independent of body ***:By detecting tw

关键词： Salivary amylase activity Endoscopic submucosal dissection Analgesia Anesthesia Sedation Sympathetic excitement Gastric wall tension

Investigation of <i>β</i>-Cryptoxanthin Fatty Acid Ester Compositions in Citrus Fruits Cultivated in Japan

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Food and Nutrition Sciences 2013年第9期4卷 98-104页

作者： Yusuke Wada Atsuki matsubara Takato Uchikata Yugo Iwasaki Satoshi Morimoto Katsuta Kan Tetsuya Ookura Eiichiro Fukusaki Takeshi Bamba Department of Biotechnology Graduate School of Engineering Osaka University Osaka Japan Food Function Division National Food Research Institute National Agricultural and Food Research Organization Tsukuba Japan. Food Research Center Ehime Institute of Industrial Technology Matsuyama Japan Graduate School of Bioagricultural Sciences Nagoya University Nagoya Japan Omishima Fruits Processing Co. Ltd. Imabari Japan

In this study, a catalog of β-cryptoxanthin (βCX) and its fatty acid esters (βCXFAs) in citrus fruits were constructed. The peel and pulp of citrus fruits from nine Japanese cultivars and one foreign cultivar were surveyed by supercritical fluid chromatography/triple quadrupole mass spectrometry (SFC/QqQMS). In each citrus sample, the major components were βCX and its laurate ester, myristate ester, palmitate ester, and oleate ester. However, the composition ratio of βCXFA varied with the citrus breed and between the pulp and the peel of the fruit in most cultivars. The SFC/QqQMS system could be used to obtain new information about βCXs and carry out further discussion on the feature and tendency of each citrus variety.

关键词： β-Cryptoxanthin Fatty Acid Ester Supercritical Fluid Chromatography

Visualization of Bio-Structures Using Coherent X-Ray Diffraction

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Visualization of Bio-Structures Using Coherent X-Ray Diffrac...

Endoscopic ultrasound-guided fine needle aspiration in the differentiation of type 1 and type 2 autoimmune pancreatitis

亚洲晶体学联合大会

作者： Yoshinori Nishino Kazuhiro Maeshima Naoko Imamoto Ryuta Hirohata Eiichiro matsubara Yukio Takahashi Tetsuya Ishikawa RIKEN SPring-8 Center 1-1-1 KoutoSayo-choSayo-gunHyogo 679-5148Japan Structural Biology Center National Institute of GeneticsShizuoka 411-8540Japan Cellular Dynamics Laboratory RIKENSaitama 351-0198Japan Graduate School of Engineering Osaka UniversityOsaka 565-0871Japan

＜正＞We report our studies on X-ray diffraction microscopy （XDM） for biological samples. XDM requires no lenses, and a sample image is directly reconstructed from the coherent diffraction data. It is ideal X-ray ph...

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World Journal of Gastroenterology 2012年第29期18卷 3883-3888页

作者： Takuya Ishikawa Akihiro Itoh Hiroki Kawashima Eizaburo Ohno Hirosh matsubara Yuya Itoh Yosuke Nakamura Takeshi Hiramatsu Masanao Nakamura Ryoji Miyahara Naoki Ohmiya Hidemi Goto Yoshiki Hirooka Department of Gastroenterology Nagoya University Graduate School of Medicine65 Tsuruma-choShowa-kuNagoya 466-8550Japan Department of Endoscopy Nagoya University Hospital65 Tsuruma-choShowa-kuNagoya 466-8550Japan

AIM:To investigate the usefulness of endoscopic ultrasound-guided fine needle aspiration(EUS-FNA) in the differentiation of autoimmune pancreatitis(AIP).METHODS:We retrospectively reviewed 47 of 56 AIP patients who underwent EUS-FNA and met the Asian diagnostic *** 47 EUS-FNA specimens,we evaluated the presence of adequate material and characteristic features of lymphoplasmacytic sclerosing pancreatitis(LPSP) and idiopathic duct-centric pancreatitis(IDCP) mentioned in the International Consensus Diagnostic Criteria and examined if these findings make a contribution to the differential diagnosis of type 1 and type 2 AIP.A disposable 22-gauge needle was used for ***:Adequate specimens including pancreatic tissue for differentiating AIP from cancer were obtained from 43 of 47 patients who underwent ***-FNA was performed from the pancreatic head in 21 cases,which is known to be technically difficult when performed by core biopsy;there was no significant difference in the results compared with pancreatic *** of 47 patients met level 1 findings of LPSP and 5 patients met level 2 findings of *** one met level 1 findings of IDCP,but 3 patients met level 2 findings of *** 10 seronegative cases,2 cases were diagnosed with "definitive type 1 AIP",and 3 cases were diagnosed with "probable type 2 AIP" when considering both the level 2 histological findings and response to ***:EUS-FNA is useful in the differentiation of type 1 and type 2 AIP,particularly in seronegative cases.

关键词： Autoimmune pancreatitis Endoscopic ultrasound-guided fine needle aspiration Idiopathic duct centric pancreatitis Lymphoplasmacytic sclerosing pancreatitis Pancreatic cancer

Polysomnographic assessment of respiratory disturbance during deep propofol sedation for endoscopic submucosal dissection of gastric tumors

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World Journal of Gastrointestinal Endoscopy 2018年第11期10卷 340-347页

作者： Ryuma Urahama Masaya Uesato Mizuho Aikawa Yukiko Yamaguchi Koichi Hayano Tomoaki Matsumura Makoto Arai Reiko Kunii Shiroh Isono Hisahiro matsubara Department of Frontier Surgery Chiba University Graduate School of Medicine Department of Gastroenterology Chiba University Graduate School of Medicine Department of Medical Oncology Chiba University Graduate School of Medicine Staff of Clinical Laboratory Chiba University Hospital Department of Anesthesiology Chiba University Graduate School of Medicine

AIM To investigate that polysomnographic monitoring can accurately evaluate respiratory disturbance incidence during sedation for gastrointestinal endoscopy compare to pulse oximetry *** This prospective observational study included 10 elderly patients with early gastric cancer undergoing endoscopic submucosal dissection(ESD) under propofol sedation. Apart from routine cardiorespiratory monitoring, polysomnography measurements were acquired. The primary hypothesis was tested by comparing the apnea hypopnea index(AHI), defined as the number of apnea and hypopnea instances per hour during sedation, with and without hypoxemia; hypoxemia was defined as the reduction in oxygen saturation by ≥ 3% from *** Polysomnography(PSG) detected 207 respiratory disturbances in the 10 patients. PSG yielded a significantly greater AHI(10.44 ± 5.68/h) compared with pulse oximetry(1.54 ± 1.81/h, P < 0.001), thus supporting our hypothesis. Obstructive AHI(9.26 ± 5.44/h) was significantly greater than central AHI(1.19 ± 0.90/h, P < 0.001). Compared with pulse oximetry, PSG detected the 25 instances of respiratory disturbances with hypoxemia 107.4 s earlier on *** Compared with pulse oximetry, PSG can better detect respiratory irregularities and thus provide superior AHI values, leading to avoidance of fatal respiratory complications during ESD under propofol-induced sedation.

关键词： Polysomnography Hypoxemia Propofol Endoscopic submucosal dissection Pulse oximetry Sedation