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Vascular resection and reconstruction at pancreatico-duodenectomy:technical issues

Hepatobiliary & Pancreatic Diseases International 2012年第3期11卷 234-242页

作者： edward CS lai Pedder Clinic 4/F 9 Queen's Road Central

BACKGROUND:With the improvement of perioperative management over the years,pancreatico-duodenectomy has become a safe operation despite its technical *** presence of concomitant visceral artery occlusion unrelated to the underlying malignancy and concomitant major venous infiltration by tumor poses additional hazards to resection which could compromise the postoperative *** SOURCES:A MEDLINE database search was performed to identify relevant articles using the key ords 'median arcuate ligament syndrome','superior mesenteric artery','replaced right hepatic artery',and 'portal vein resection'.Additional papers and book chapters were identified by a manual search of the references from the key ***:Computed tomography with 3-dimensional reconstruction of the vascular anatomy provides most key information on the potential vascular problems encountered during surgery.A trial clamping of the gastroduodenal artery provides a simple intraoperative assessment for the presence of any significant visceral arterial *** on the timing of diagnosis,division of the median arcuate ligament,bypass or endovascular stenting should be *** and superior mesenteric vein resection had been used with increasing frequency and *** steps and methods taken to reconstruct the venous continuity vary with individual surgeons,and the anatomical variations *** segmental loss of the portal vein,opinions differs with regard to the preservation of the splenic vein,and when divided,the necessity of restoring its continuity;source of the autologous vein graft when needed and whether the use of synthetic graft is a safe ***:During a pancreatico-duodenectomy,images of computed tomography must be carefully studied to appreciate the changes and variation of vascular *** preoperative preparation,acute awareness of the probable arterial and venous anatomical variation and the availability of expert

关键词： pancreatico-duodenectomy vein resection celiac axis compression

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毛细管电泳法分析蜂花粉中黄酮类化合物(英文)

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食品科学 2006年第12期27卷 582-587页

作者：卢挺 edward P C lai Jorn C C Yu 胡风祖青海省产品质量监督检验所青海西宁810008 卡尔顿大学化学系中国科学院西北高原生物研究所青海西宁810001

使用毛细管电泳法(CE)检测了健康食品中常见的六种黄酮类化合物:橙皮甙、海棠甙、异鼠李素、山奈酚、槲皮素、芦丁。研究了一系列的试验参数,如:pH、缓冲溶液浓度、分离电压以及UV检测器波长等,以确定出最佳条件。使用H3BO3-Na2B4O7缓冲... 详细信息

使用毛细管电泳法(CE)检测了健康食品中常见的六种黄酮类化合物:橙皮甙、海棠甙、异鼠李素、山奈酚、槲皮素、芦丁。研究了一系列的试验参数,如:pH、缓冲溶液浓度、分离电压以及UV检测器波长等,以确定出最佳条件。使用H3BO3-Na2B4O7缓冲液(pH9.2),各分析物可在8min内分出。相对标准偏差(RSD):8次进样的迁移时间为0.77%～0.93%;峰面积为3.8%～8.6%;各检测限(S/N=3)范围为0.34μg/ml～2.9μg/ml,回收率为80.4%～113.9%。方法简单、灵敏,重现性高,线性好,无须固相萃取前处理,用于蜂花粉分析结果准确。

关键词：分析黄酮类化合物蜂花粉毛细管电泳

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Extraction of 17β-estradiol in water using non-imprinted polymer submicron particles in membrane filters

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Journal of Environmental Sciences 2010年第11期22卷 1820-1825页

作者： Yiyan Li edward P. C. lai Institute of Environmental Science Carleton University 1125 Colonel By Drive Ottawa Ontario K1S 5B6 Canada. Department of Chemistry Carleton University 1125 Colonel By Drive Ottawa Ontario K1S 5B6 Canada

17β-Estradiol （E2） is an endocrine disrupting chemical of harm to both animals and human beings at a low concentration level （ng/L）. It cannot be completely removed by wastewater treatments, and is often detected in both environment and drinking waters. The purpose of this feasibility study, towards environmental engineering in the field of water analysis and treatment, was to remove E2 by extraction using non-imprinted polymer （NIP） submicron particles. Experimental results showed that 0.5 mg/L of E2 could be completely extracted by adding 10 mg of NIP particles directly into 10 mL of water. However, the extraction efficiency decreased to 64% for 100 mL of water. prefilling the NIP particles inside a membrane filter showed a potential for water treatment of a large volume, requiring no effort to distribute the particles uniformly in the water. High extraction efficiency （80 ± 10）% for E2 was achieved for 100 mL of water. A total mass of 0.29 mg E2 was extracted from 1000 mL of water containing 0.8 mg/L E2 （by using only 10 mg of NIP particles）. Both efficiency and mass capacity can be increased, by scaling up the amount of NIP particles, towards environmental engineering applications.

关键词： 17β-estradiol non-imprinted polymer submicron particles membrane filter pollution abatement technology

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Use of sub-micron sized resin particles for removal of endocrine disrupting compounds and pharmaceuticals from water and wastewater

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Journal of Environmental Sciences 2017年第1期29卷 256-264页

作者： Audrey Murray Banu rmeci edward P.C.lai Department of Civil and Environmental Engineering Carleton University Department of Chemistry Carleton University

Endocrine disrupting compounds（EDCs） and pharmaceuticals pose a challenge for water and wastewater treatment because they exist at very low concentrations in the presence of substances at much higher concentrations competing for adsorption ***-micron sized resin particles（approximately 300 nm in diameter）（SMR） were tested to evaluate their potential as a treatment for EDCs including：17-β estradiol（E2）,17-α ethinylestradiol（EE2）,estrone（E1）,bisphenol A（BPA）,and diethylstilbestrol（DES） as well as 12 *** were able to remove 98%of spiked E2,80%of EE2,87%of BPA,and up to 97%of DES from *** a 0.5 ppm mixture of E2,EE2,E1,BPA and DES,the minimum removal was24%（E2） and the maximum was 49%（DES）.They were also able to remove the pharmaceuticals from deionized water and ***,SMR are a promising advanced treatment for removal of both EDCs and pharmaceuticals.

关键词： Water treatment Wastewater treatment Pharmaceuticals Endocrine disrupting compounds Micropollutants Adsorption

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基于农村内源性发展模式的新型夯土建筑策略——以“一专一村”西南农村地区项目为例

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建筑学报 2024年第1期 105-111页

作者：万丽吴恩融迟辛安柏文峰周来香港中文大学建筑学院中国香港999077 昆明理工大学建筑与城市规划学院昆明650500

提出内源性发展理念与当地生土建筑相结合的农村建设思路,以“一专一村”计划的一系列新型夯土建筑实践为例,从与环境和谐相处、发掘本土价值、尊重当地人的主体性、引入外部智力资源几个方面进行深入分析,总结出“科学方法、适宜技术... 详细信息

提出内源性发展理念与当地生土建筑相结合的农村建设思路,以“一专一村”计划的一系列新型夯土建筑实践为例,从与环境和谐相处、发掘本土价值、尊重当地人的主体性、引入外部智力资源几个方面进行深入分析,总结出“科学方法、适宜技术”的创新思路及“本土材料、本土技术、本土工匠”的组织原则,探讨系统性、跨学科、跨部门联动,提升乡村发展内生动力的建造模式。

关键词：内源性发展内生动力夯土建筑可持续发展

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青光眼视网膜神经纤维层厚度的光学相干断层扫描纵向评估

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美国医学会眼科杂志（中文版） 2005年第4期17卷 214-220页

作者： Gadi Wollstein Joel S. Schuman Lori L. Price Ali Aydin Paul C. Stark Ellen Hertzmark edward lai Hiroshi Ishikawa Cynthia Mattox James G. Fujimoto Lelia A. Paunescu 刘春（译）朱志忠（校） New England Eye Center Biostatistics Research Center Division of Clinical Care Research Department of Epidemiology Harvard School of Public Health Boston Department of Electrical Engineering and Research laboratory of Electranics Massachusetts Institute of Technology Cambridge Tufts-New England Medical Center Tufts University School of Medicine Boston Mass UPMC Eye Center Department of Ophthahnology University of Pittsburgh School of Medicine Pittsburgh Pa 不详

目的：纵向评估光学相干断层扫描（OCT）视盘周围神经纤维层厚度测量，并将这些检查与临床状态和自动视野计检查作横向比较。方法：对参与前瞻性纵向研究的青光眼或疑似青光眼患者64只眼（37例）作回顾性评估。所有参与者每6个月作一次... 详细信息

目的：纵向评估光学相干断层扫描（OCT）视盘周围神经纤维层厚度测量，并将这些检查与临床状态和自动视野计检查作横向比较。方法：对参与前瞻性纵向研究的青光眼或疑似青光眼患者64只眼（37例）作回顾性评估。所有参与者每6个月作一次全面的临床评估、视野检查和OCT。视野进展按可重复性测量的视野平均偏差至少比基线降低2dB，OCT进展按可重复性测量视网膜神经纤维层平均厚度至少变薄20pro。结果：每个患者在中位值为4．7年的随访中有5个可使用的OCT扫描。青光眼和疑似青光眼患者之间视网膜神经纤维层厚度线性回归斜度的差异对所有变量均不显著；然而，Kaplan-Meier生存曲线分析显示视野比OCT测量有较高的进展率。在随访期间66％的眼是稳定的。22％只有OCT进展，9％单有视野平均偏差进展。3％视野和OCT都有进展。结论：OCT比全自动视野计对辨别青光眼进展有更大的可能性。这可能反映OCT的敏感性或在常规方法发现之前其真实损害就能被OCT发现。

关键词：视网膜神经纤维层厚度光学相干断层扫描青光眼患者全自动视野计前瞻性纵向研究重复性测量视野检查平均偏差随访期间 OCT

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In vivo neuronal and astrocytic activation in somatosensory cortex by acupuncture stimuli

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Neural Regeneration Research 2022年第11期17卷 2526-2529页

作者： Xiao-Yue Chang Kai Chen Tong Cheng Pui To lai Li Zhang Kwok-Fai So edward S.Yang Key Laboratory of CNS Regeneration(Minstry of Education) Guangdong-Hong Kong-Macao Institute of CNS RegenerationJinan UniversityGuangzhouGuangdong ProvinceChina Department of Electrical and Electronic Engineering The University of Hong KongHong Kong Special Administrative RegionChina Center for Brain Science and Brain-Inspired Intelligence Guangdong-Hong Kong-Macao Greater Bay AreaGuangzhouGuangdong ProvinceChina Guangzhou Regenerative Medicine and Health Guangdong Laboratory GuangzhouGuangdong ProvinceChina State Key Laboratory of Brain and Cognitive Science Li Ka Shing Faculty of MedicineThe University of Hong KongHong Kong Special Administrative RegionChina

Acupuncture is a medical treatment that has been widely pra cticed in China for over 3000 years,yet the neural mechanisms of acupuncture are not fully *** hypothesized that neurons and astrocytes act independently and synergistically under acupuncture *** investigate this,we used two-photon in vivo calcium reco rding to observe the effects of acupuncture stimulation at ST36(Zusanli)in *** stimulation in peripheral acupoints potentiated calcium signals of pyramidal neurons and astrocytes in the somatosensory cortex and resulted in late-onset calcium transients in *** inhibition of neurons augmented the astrocytic *** findings suggest that acupuncture activates neuronal and astrocytic activity in the somatosensory co rtex and provide evidence for the involvement of both neurons and astrocytes in acupuncture treatment.

关键词： acupuncture astrocyte chemogenetic neuron N-methyl-D-aspartate receptor somatosensory cortex transient receptor potential A1 two-photon in vivo imaging

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Interpretation of A Passage to India from the Perspective of Eco - feminism

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学术界 2014年第8期 265-269页

作者： lai Xin School of Foreign Studies Northwest University Xi' an Shaanxi 710061

A Passage to Indiais one of the master works of the famous British novelist edward Forster of the 20 th century and it is believed to be one of the classic works in the history of the world *** to some political reasons,it has been criticized and the focus of readers for ***,the relationship between human beings and nature and the relationship between male and female analyzed in the book have always been *** paper attempts to interpret A Passage to India from the perspective of eco-feminism,analyzing the affinity between female and nature,the double oppression of the world view of the patriarchy upon female and nature as well as resistance to the patriarchy of female and nature,showing the wish of the author to overthrow the world view of the patriarchy,liberate female and nature and set up a harmonious home for male,female and nature.

关键词：女性主义解读印度生态人与自然世界观政治原因女权主义

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Intracellular calcium signaling in osteocytes:A mechano-transduction-mechano paradigm

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医用生物力学 2013年第S1期28卷 23-24页

作者： Da Jing X.Lucas Lu Andrew Baik Bin Zhou Xiaonan lai Liyun Wang X.edward Guo Department of Biomedical Engineering Fourth Military Medical University Bone Bioengineering Laboratory Department of Biomedical EngineeringColumbia University Department of Mechanical Engineering University of Delaware

Osteocytes in vivo are embedded in the mineralized extracellular bone matrix,where their cell bodies reside in the lacunae and are interconnected to neighboring osteocytes through numerous intercellular *** 3-dimensional（3D）osteocyte network positioning and ability to communicate with other bone cells make osteocytes ideal mechanosensors of *** the role of osteocyte network and intercellular communication between osteocytes in response to mechanical stimulation may clarify the mechanisms behind normal bone adaptation to mechanical *** have been using intracellular calcium([Ca2+]i)as a ubiquitous real-time signaling indicator for studying mechanotransduction in osteocytic network

关键词： intercellular transduction communicate stimulation signaling clarify numerous intracellular paradigm positioning

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Removal of 17β-Estradiol by Nylon Filter Membrane: Adsorption Mechanism,pH Effect,Temperature Influence and Spectrofluorimetric Analysis

Removal of 17β-Estradiol by Nylon Filter Membrane: Adsorpti...

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2011 World Congress on Engineering and Technology(CET 2011)

作者： edward P.C.lai Department of Chemistry Ottawa-Carleton Chemistry Institute Carleton University l125 Colonel By DriveOttawaOntario K1S 5B6Canada

Purification of drinking water for marketing presents a need for efficient removal of 17β-estradiol（E2）and other potentially harmful chemical *** nylon membrane,mounted inside a filter,has good potential for use as an adsorbent that provides a low-cost technology for the removal of *** results showed that pH 5 is optimal for the adsorption of E2 onto a nylon membrane.E2 adsorption also increased with decreasing temperature（down to 4oC）. Adsorption efficiency was high at all filtration rates（up to 5.4 mL min-1）to protect the consumer from health ***,E2 enrichment on nylon membrane can be proposed as a simple method for rapid quantification by spectrofluorimetry（λem= 310 nm,λex=279 nm）.

关键词： 17β-estradiol nylon filter membrane adsorption binding spectrofluorimetry

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