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| 1 | A STUDY OF STRUCTURE AND PROPERTY CHANGES OF BIODEGRADABLE POLYGLYCOLIDE AND POLY(GLYCOLIDE-co-LACTIDE)FIBERS DURING PROCESSING AND IN VITRO DEGRADATION显示文摘Structure and properties of bioabsorbable polyglycolide (PGA) and poly(glycolide-co-lactide) (PGA-co-PLA)fibers were investigated during several industrial processing stages and in vitro degradation by means of wide-angle X-ray diffraction (WAXD), dynamic mechanical analysis (DMA) and mechanical property tests. In the orientation stage, the PGA fibers were found to have higher degrees of crystallinity than corresponding PGA-co-PLA samples produced under similar conditions. In the hot-stretching and post-annealing stages, after fibers were braided, PGA samples were found to gain more crystallinity and higher Tg than PGA-co-PLA samples. The higher crystallinity in PGA fibers resulted in a slower rate of degradation. DMA results showed that a great deal of internal stress that was built during orientation and hot-stretching stages was released in the post-annealing stage for all PGA and PGA-co-PLA samples. During earlier stages ofin vitro degradation, both PGA and PGA-co-PLA samples exhibited the typical cleavage-induced crystallization mechanism. The heat shrinkage in the glass transition area was found to disappear after 6-8 days of degradation for all PGA and PGA-co-PLA samples, indicating the amorphous portions of the polymers lost orientation after a short period in the buffer solution, most likely due to relaxation of the cleaved chains. | Bruce X.Fu Benjamin S.Hsiao Gavin Chen Jack Zhou Susan Lin Jenny Yuan Ilya Koyfman Dennis D Jamiolkowski Edward Dormier | 2003 | Chinese Journal of Polymer Science2003，21，2： | 9 |
| 2 | Redox therapeutics in hepatic ischemia reperfusion injury显示文摘Ischemia-reperfusion plays a major role in the injury experienced by the liver during transplantation. Much work has been done recently investigating the role of redox species in hepatic ischemia-reperfusion. As animal models are better characterized and developed, and more insights are gained into the pathophysiology of hepatic ischemia reperfusion injury in humans the questions into exactly how oxidants participate in this injury are becoming more refined. These questions include effects of cellular location, timing of injury, and ability of therapeutics to access this site are increasing our appreciation of the complexity of ischemia reperfusion and improving attempts to ameliorate its effects. In this review, we aim to discuss the various methods to alter redox chemistry during ischemia reperfusion injury and future prospects for preventing organ injury during hepatic ischemia reperfusion. | Rakesh P Patel John D Lang Alvin B Smith Jack H Crawford | 2014 | World Journal of Hepatology2014，6，1： | 9 |
| 3 | Role of insulin resistance in uric acid nephrolithiasis显示文摘Metabolic syndrome has been implicated in the pathogenesis of uric acid stones.Although not completely understood,its role is supported by many studies demonstrating increased prevalence of uric acid stones in patients with metabolic syndrome and in particular insulin resistance,a major component of metabolic syndrome.This review presents epidemiologic studies demonstrating the association between metabolic syndrome and nephrolithiasis in general as well as the relationship between insulin resistance and uric acid stone formation,in particular.We also review studies that explore the pathophysiologic relationship between insulin resistance and uric acid nephrolithiasis. | Hanhan Li Dane E Klett Raymond Littleton Jack S Elder Jesse D Sammon | 2014 | World Journal of Nephrology2014，3，4： | 6 |
| 4 | Once-only flexible sigmoidoscopy screening in prevention of colorectal cancer: a multicentre randomised controlled trial显示文摘 | Wendy S Atkin Rob Edwards Ines Kralj-Hans Kate Wooldrage Andrew R Hart John MA Northover D Max Parkin Jane Wardle Stephen W Duffy Jack Cuzick | 2010 | The Lancet2010，，9726： | 4 |
| 5 | Once-only flexible sigmoidoscopy screening in prevention of colorectal cancer: a multicentre randomised controlled trial显示文摘 | Wendy S Atkin Rob Edwards Ines Kralj-Hans Kate Wooldrage Andrew R Hart John MA Northover D Max Parkin Jane Wardle Stephen W Duffy Jack Cuzick | 2010 | 2010 (9726)2010，，9726： | 3 |
| 6 | Once-only flexible sigmoidoscopy screening in prevention of colorectal cancer: a multicentre randomised controlled trial显示文摘 | Wendy S Atkin Rob Edwards Ines Kralj-Hans Kate Wooldrage Andrew R Hart John MA Northover D Max Parkin Jane Wardle Stephen W Duffy Jack Cuzick | 2010 | The Lancet . 2010 (9726)2010，，： | 2 |
| 7 | Glaciation of the Yulongxue Shan, North-western Yunnan Province, People's Republic of China 显示文摘 | Ives Jack D Zhang Yongzu | 1993 | Erdkunde1993，47，3： | 1 |
| 8 | Nurses~erceptions of the liverpool care path- way for the dying patient in the acute hospital setting显示文摘 | Jack BA Gambles M Murphy D | 2003 | Int J Palliat Nurs2003，9，9： | 1 |
| 9 | Comments on“Maintenance Policies with Two-Dimensional Warranty”显示文摘 | Jack N Murthy D N P Iskandar B P | 2003 | Reliability Engineering&System Safety2003，82，1： | 1 |
| 10 | Asymmetric synthesis and absolute stereochemistry of LY248686显示文摘 | Jack D Jeff F Gilbert S | 1990 | Tetrahedron Lett1990，31，49： | 1 |
| 11 | From Raw Materials to Cus- tomers: Supply Chain Management in the Service Industry 显示文摘 | JACK S COOK KATHY D AMIE F | 2001 | SAM Advanced Management Journal2001，66，4： | 1 |
| 12 | A flexible extended warranty and related optimal strategies显示文摘 | Jack N Murthy D N P | 2007 | The Journal of the Operational Research Society2007，58，12： | 1 |
| 13 | Virtual reality-augmented rehabili- tation following stroke 显示文摘 | Jack D Boian R | 2002 | Phys Ther2002，82，9： | 1 |
| 14 | The orientation relationships of interstitial phases iniron显示文摘 | Jack D H | 1974 | Mater SciEng1974，13，1： | 1 |
| 15 | Tumor necrosis factor-ablocking agent as a treatment for nephrotic syndrome 显示文摘 | Daveh D Shemesh O Jack Y | 2004 | Pediatr Nephrol2004，19，8： | 1 |
| 16 | Design and testing of a four-phase fault-tolerant permanent-magnet machine for an engine fuel pump显示文摘 | Mecrow B C Jack A G Atkinson D J | 2004 | IEEE Transactions on Energy Conversion2004，19，4： | 1 |
| 17 | Designand testing of a four-phase fault-tolerant permanent-magnet machine for an engine fuel pump显示文摘 | Mecrow B C Jack A G Atkinson D J | 2004 | IEEETransactions on Energe Conversion2004，19，4： | 1 |
| 18 | Temperature, ozone, and mortality in urban and non-urban counties in the northeastern United States显示文摘 | Madrigano J Jack D Anderson GB | 2015 | Environ Health2015，14，： | 1 |
| 19 | A repair--replace strategy based on usage rate for items sold with a two- dimensional warranty 显示文摘 | Jack N Iskandar B P Murthy D N P | 2009 | Reliability Engineering and System Safety2009，94，： | 1 |
| 20 | Chemical Interaction in Blends of Polyamide and Butyl Rubbers显示文摘 | Van Dyke J D(Jack) Gnatowski Marek Koutsandreas Andy | | 0，，04： | 1 |
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