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| 1 | Biofilms and Helicobacter pylori: Dissemination and persistence within the environment and host显示文摘The presence of viable Helicobacter pylori(H. pylori) in the environment is considered to contribute to the levels of H. pylori found in the human population, which also aids to increase its genetic variability and its environment adaptability and persistence. H. pylori form biofilms both within the in vitro and in vivo envi-ronment. This represents an important attribute that assists the survival of this bacterium within environ-ments that are both hostile and adverse to prolifera-tion. It is the aim of this paper to review the ability of H. pylori to form biofilms in vivo and in vitro and to address the inherent mechanisms considered to sig-nificantly enhance its persistence within the host and in external environments. Furthermore, the dissemi-nation of H. pylori in the external environment and within in the human body and its impact upon infec-tion control shall be discussed. | Steven L Percival Louise Suleman | 2014 | World Journal of Gastrointestinal Pathophysiology2014，5，3： | 6 |
| 2 | 环境危机管理经验研究显示文摘环境危机通常通过推动采用预防危机反复出现,并提高社会对危机事件迅速有效反应能力的措施,而成为改善环境管理的催化剂.回顾了美国、欧洲与日本的几个环境危机事例以及国家调整性政策的改变.总结出进行环境危机管理工作应该考虑:①紧急准备要求国家与地方权力机构应该通过仔细监测工业用有害化学品的使用情况、使用结果与运输情况,以及可能带来的环境影响,了解其潜在的环境灾难.要求从事可能会带来环境危机活动的责任方证明其已经制定了综合有效的应急反应计划.②排放有害物质的责任方要负责承担补救环境与人类健康损失所花费的全额成本.建立有效的责任计划可以推动对预防环境危机措施方面的投资.③发生环境危机时,采取的最基本措施是及时将有关危机性质与范围等情况通告应急反应权力机构及公众.以提高应急反应能力,保持公众的信任.④吸取经验预防环境危机事件再发生.独立调查委员会要探索发生环境事故的原因,并为预防工作提供意见或建议.⑤政府与行业有责任采取措施保护公众免受与有害物质排放和其他有害活动相关的潜在危害;在事故发生时能及时反应并使损害达到最低;对人类健康与环境造的成损害提供赔偿. | Miranda Schreurs Robert Percival | 2006 | 环境科学研究2006，19，B11： | 5 |
| 3 | 混沌:对于现实世界的一门科学显示文摘按惯例,科学家寻求用最简单的观点看待我们周围的世界。现在,数学和计算机能力导致一种理论,它能帮助研究人员了解自然界的复杂性。混沌理论涉及所有的学科。 | Ian Percival 王继振 | 1990 | 世界科学1990，12，6： | 2 |
| 4 | Protein engineering of oxidoreductases utilizing nicotinamide-based coenzymes,with applications in synthetic biology显示文摘Two natural nicotinamide-based coenzymes(NAD and NADP)are indispensably required by the vast majority of oxidoreductases for catabolism and anabolism,respectively.Most NAD(P)-dependent oxidoreductases prefer one coenzyme as an electron acceptor or donor to the other depending on their different metabolic roles.This coenzyme preference associated with coenzyme imbalance presents some challenges for the construction of high-efficiency in vivo and in vitro synthetic biology pathways.Changing the coenzyme preference of NAD(P)-dependent oxidoreductases is an important area of protein engineering,which is closely related to product-oriented synthetic biology projects.This review focuses on the methodology of nicotinamide-based coenzyme engineering,with its application in improving product yields and decreasing production costs.Biomimetic nicotinamide-containing coenzymes have been proposed to replace natural coenzymes because they are more stable and less costly than natural coenzymes.Recent advances in the switching of coenzyme preference from natural to biomimetic coenzymes are also covered in this review.Engineering coenzyme preferences from natural to biomimetic coenzymes has become an important direction for coenzyme engineering,especially for in vitro synthetic pathways and in vivo bioorthogonal redox pathways. | Chun You Rui Huang Xinlei Wei Zhiguang Zhu Yi-Heng Percival Zhang | 2017 | Synthetic and Systems Biotechnology2017，2，3： | 2 |
| 5 | Conodont diversification during the Ordovician:A perspective from North China and Tarim(Northwestern China)显示文摘Review of the literature on Ordovician conodont diversification in palaeoplates of North and Western China reveals that four diversity peaks are present in North China,occurring in the middle Tremadocian,early Floian,late Floian,and late Darriwilian,with three of these peaks(excepting that in the late Floian)also being recorded in Tarim.Three diversification intervals are present in North China,during the Tremadocian,late Floian,early and middle Darriwilian;comparable intervals are observed in the early and late Tremadocian,early Floian,and the Middle Ordovician in Tarim.The main conodont diversification episode in both palaeoplates took place in the Darriwilian,at the time of the Great Ordovician Biodiversification Event.A comparison of conodont diversity patterns in different palaeoplates(North China,Tarim,and South China)demonstrates that conodont radiation events mainly occurred within the Tremadocian,Floian,and Darriwilian.Conodont diversifications in these paleoplates also display some differences.In contrasting with Tarim and South China,North China witnessed a rapid conodont diversification during late Floian time.Conodont diversity in North China and Tarim increased continually and reached a peak in the late Darriwilian,concurrent with a prominent decreasing trend in South China.Differences of conodont diversification in these three palaeoplates may be related to their palaeogeography and tectonic history.When conodont diversifications in North China and Tarim are analysed on the background of palaeoenvironments,the main episodes are seen to be partly coincident with second order sea-level changes,particularly in North China.In general,conodont radiation correlates with large scale transgressions. | WU RongChang Ian G. PERCIVAL Svend STOUGE ZHAN RenBin | 2014 | Science China Earth Sciences2014，57，3： | 2 |
| 6 | Bacterial resistance to silver in wound care 显示文摘 | Percival S L Bowler P G Russell D | 2005 | The Journal of Hospital Infection2005，60，1： | 1 |
| 7 | Antimicmbial activity of silver containing dressings on wound microorganism using in vitro biollm model 显示文摘 | Percival SL | 2007 | Int Wound J2007，4，2： | 1 |
| 8 | Asymptotic decorrelation of between-scale wavelet coefficients显示文摘 | Craigmile P F Percival D B | 2005 | IEEE Transactions on Information Theory2005，51，3： | 1 |
| 9 | Wine modifies the effects of alcohol on immune cells of mice显示文摘 | Percival SS Sims CA | 2000 | J Nutr2000，130，： | 1 |
| 10 | Outlook for cellulose improvement: Screening and selection strategies 显示文摘 | Percival Zhang YH Himmel ME Mielenz JR | 2006 | Biotechnology Advances2006，24，： | 1 |
| 11 | The noncellulosomal family 48 cellobiohydrolase from Clostridium phytofermentans ISDg: heterologous expression, characterization, and processivity显示文摘 | Xiao-Zhou Zhang Zuoming Zhang Zhiguang Zhu Noppadon Sathitsuksanoh Yunfeng Yang Y.-H. Percival Zhang | 2010 | Applied Microbiology and Biotechnology2010，，2： | 1 |
| 12 | Standardized capsule of Camellia sinensis lowers cardiovascular risk factors in a randomized,double-blind,placebo-controlled study显示文摘 | Nantz MP Rowe CA Bukowski JF Percival SS | | 0，，02： | 1 |
| 13 | Biofilm development on stainless steel in mains water显示文摘 | Percival S L | 1998 | Water Res1998，32，1： | 1 |
| 14 | Clear cornea sutureless phacoemulsification and astigmatic decay after two years显示文摘 | Percival P Beare N | 1997 | Eye1997，11，： | 1 |
| 15 | Out- look for cellulase improvement: screening and selection strategies显示文摘 | Percival Zhang Y H Himmel M E Mielenz J R | 2006 | Biotechnology Advances2006，24，5： | 1 |
| 16 | Reviving the carbohydrate economy via multi-product lignocellulose biorefineries显示文摘 | Y.-H. Percival Zhang | 2008 | Journal of Industrial Microbiology & Biotechnology2008，，5： | 1 |
| 17 | The efficacy of silver dressings and antibiotics on MRSA and MSSA isolated from burn patients显示文摘 | Percival S L Thomas J G Slone W | | 0，，： | 1 |
| 18 | Quantifying the effect of early retirement on the wealth of individuals with depression or other mental illness 显示文摘 | Schofield DJ Shrestha RN Percival R | 2011 | Br J Psychiatry2011，198，2： | 1 |
| 19 | Ellagic acid and quer- cetin interact synergistically with resveratrol in the induction of apoptosis and cause transient cell cycle arrest in human leukemia cells 显示文摘 | MERTENS-TALCOTT SU PERCIVAL SS | 2005 | Cancer Lett2005，218，2： | 1 |
| 20 | Biofilm Development on Stainless in Mains Water显示文摘 | PERCIVAL S L KNAPP J S EDYVEAN R | 1998 | Water Research1998，32，1： | 1 |
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