9 research outputs found
Greenhouse gas emissions in building construction : a case study of One Peking in Hong Kong
Author name used in this manuscript: Geoffrey Qiping Shen2009-2010 > Academic research: refereed > Publication in refereed journalAccepted ManuscriptPublishe
Guidelines for the administration of hormone replacement therapy. The Hong Kong College of Obstetricians and Gynaecologists
Objective. To establish guidelines on the administration of hormone replacement therapy in Hong Kong for a primary audience of Fellows and Members of the Hong Kong College of Obstetricians and Gynaecologists and a secondary audience of all interested medical and paramedical personnel in Hong Kong. Participants. The Quality Assurance Committee established a consensus panel of four College Fellows who had expertise of treating menopausal women by giving hormone replacement therapy. All the panelists were qualified obstetricians and gynaecologists. Evidence. The panelists drew their conclusions from the available scientific literature on hormone replacement therapy from Hong Kong and overseas. Consensus process. The consensus reached within the panel was presented to the Quality Assurance Committee on 23 June 1998, and subsequently revised and presented three times. The final version was approved by the Quality Assurance Committee on 2 March 1999 and the Council of the Hong Kong College of Obstetrics and Gynaecology on 11 March 1999. Conclusions. The administration of hormone replacement therapy is effective in reducing the severity and frequency of menopausal hot flushes and sweating. Therapy protects against osteoporosis and reduces the risk of cardiovascular disease. There is some evidence to suggest that treatment also protects against Alzheimer's disease and carcinoma of the colon. The most serious problem attributed to using hormone replacement therapy is the possible increase in the risk of breast cancer development; the exact risk is unknown. Side effects include unwanted bleeding and breast tenderness and sensitivity. The risks and benefits of using hormone replacement therapy should be explained to postmenopausal women so that they can make an informed decision about using this treatment.link_to_subscribed_fulltex
Guidelines for the administration of hormone replacement therapy. The Hong Kong College of Obstetricians and Gynaecologists
Objective. To establish guidelines on the administration of hormone replacement therapy in Hong Kong for a primary audience of Fellows and Members of the Hong Kong College of Obstetricians and Gynaecologists and a secondary audience of all interested medical and paramedical personnel in Hong Kong. Participants. The Quality Assurance Committee established a consensus panel of four College Fellows who had expertise of treating menopausal women by giving hormone replacement therapy. All the panelists were qualified obstetricians and gynaecologists. Evidence. The panelists drew their conclusions from the available scientific literature on hormone replacement therapy from Hong Kong and overseas. Consensus process. The consensus reached within the panel was presented to the Quality Assurance Committee on 23 June 1998, and subsequently revised and presented three times. The final version was approved by the Quality Assurance Committee on 2 March 1999 and the Council of the Hong Kong College of Obstetrics and Gynaecology on 11 March 1999. Conclusions. The administration of hormone replacement therapy is effective in reducing the severity and frequency of menopausal hot flushes and sweating. Therapy protects against osteoporosis and reduces the risk of cardiovascular disease. There is some evidence to suggest that treatment also protects against Alzheimer's disease and carcinoma of the colon. The most serious problem attributed to using hormone replacement therapy is the possible increase in the risk of breast cancer development; the exact risk is unknown. Side effects include unwanted bleeding and breast tenderness and sensitivity. The risks and benefits of using hormone replacement therapy should be explained to postmenopausal women so that they can make an informed decision about using this treatment.link_to_subscribed_fulltex
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Supramolecular Perylene Bisimide-Polysulfide Gel Networks as Nanostructured Redox Mediators in Dissolved Polysulfide Lithium-Sulfur Batteries
Here we report a new redox-active perylene bisimide (PBI)-polysulfide (PS) gel that overcomes electronic charge-transport bottlenecks common to lithium-sulfur (Li-S) hybrid redox flow batteries designed for long-duration grid-scale energy storage applications. PBI was identified as a supramolecular redox mediator for soluble lithium polysulfides from a library of 85 polycyclic aromatic hydrocarbons by using a high-throughput computational platform; furthermore, these theoretical predictions were validated electrochemically. Challenging conventional wisdom, we found that π-stacked PBI assemblies were stable even in their reduced state through secondary interactions between PBI nanofibers and Li2Sn, which resulted in a redox-active, flowable 3-D gel network. The influence of supramolecular charge-transporting PBI-PS gel networks on Li-S battery performance was investigated in depth and revealed enhanced sulfur utilization and rate performance (C/4 and C/8) at a sulfur loading of 4 mg cm-2 and energy density of 44 Wh L-1 in the absence of conductive carbon additives