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Bioactive natural products from marine angiosperms:abundance and functions

Natural Products and Bioprospecting 2013年第4期3卷 129-136页

作者： ponnambalam subhashini Elangovan DILIPAN Thirunavukkarasu THANGARADJOU Jutta PAPENBROCK Centre of Advanced Study in Marine Biology Annamalai UniversityParangipettai 608502Cuddalore Dt.Tamil naduIndia Institute of Botany Leibniz University HannoverHerrenhäuserstr.2D-30419 HannoverGermany

This review explores the natural products of seagrass that are to be exploited for their bioactive *** from portraying the presence of a wide array of secondary compounds such as phenols,flavonoids,sterols and lipids from different seagrass species,the focus is on novel natural products projecting towards their biological *** there are a significant number of reports on the abundance of secondary metabolites from seagrass and their bioactive derivatives,only a small number of reports explore their functional and defensive *** have been made to collate the available information on seagrass natural products and clarify their function and metabolic pathway’*** is emphasized that metabolic profiling of seagrass should be extensively progressed to obtain a deeper knowledge about the specific roles of each natural *** investigation of seagrass natural products for their bioactive potential would most likely result in the detection of surprising and unexpected novel chemical structures and clinical leads that may be useful to mankind.

关键词： natural products phenolic compounds phenylpropanoid derivatives seagrasses secondary metabolites

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Isolation and Characterization of Phosphate-Solubilizing Bacteria from Seagrass Rhizosphere Soil

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Journal of Ocean University of China 2012年第1期11卷 86-92页

作者： Upasana Ghosh ponnambalam subhashini Elangovan Dilipan Subramanian Raja Thirunavukarassu Thangaradjou Lakshmanan Kannan Centre of Advanced Study in Marine Biology Faculty of Marine SciencesAnnamalai UniversityParangipettai-608502Tamil NaduIndia

Phosphate-solubilizing bacterial strains(6 Nos.) were isolated from the rhizosphere soils of two seagrasses(Halophila ovalis(***.) Hook and Halodule pinifolia(Miki) Hartog) in the Vellar *** studies found that the strain PSSG6 was effective in phosphate solubilization with Phosphate Solubilization efficiency index E = 375 ± 8.54,followed by the strain PSSG5 with Phosphate Solubilization efficiency index E = 275 ± *** the 6 strains isolated,the strains PSSG4 and PSSG5 be-longed to the genus Bacillus,and PSSG1,PSSG2 and PSSG3 were identified as Citrobacter sp.,Shigella sp.,and Klebsiella sp.,respectively,by conventional method,and PSSG6 was identified as Bacillus circulans using conventional and molecular methods.

关键词： phosphate solubilization Halodule pinifolia Halophila ovalis Bacillus circulans bio-fertilizer

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Enhancing post-treatment outcomes in patients with oral cancer:Integrating interventions and psychosocial support

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Cancer Pathogenesis and Therapy 2024年第4期2卷 318-320页

作者： ponnambalam Ragini Yaashikaa Department of Biotechnology Saveetha School of EngineeringSaveetha Institute of Medical and Technical SciencesChennaiTamil Nadu 602105India

Managing Editor:Peng *** adaptive lifestyle interventions among patients with oral cancer is essential for improving post-treatment *** date,studies have examined evidence-based interventions targeting dietary changes,physical activity,and smoking 8 greatly improved survivorship metrics,including enhancing quality of life(QOL),optimizing general health,and reducing cancer recurrence ***,post-treatment,tailored adaptive interventions are vital for patients with oral cancer to sustain their health and *** article aims to provide a comprehensive overview of adaptive lifestyle interventions for oral cancer survivors to improve post-treatment *** main objective of this study is to highlight the importance of dietary modifications,physical activity,smoking cessation programs,and psychosocial support in enhancing the quality of life,optimizing general health,and reducing cancer recurrence *** findings underscore the need to integrate evidence-based interventions into survivorship care plans,benefiting individual survivors and influencing broader healthcare strategies.

关键词： patients treatment finding

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Dynamic hesitant fuzzy linguistic group decision-making from a reliability perspective

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Journal of Systems Engineering and Electronics 2018年第5期29卷 1009-1021页

作者： MA Zhenzhen ponnambalam Kumaraswamy ZHU Jianjun ZHANG Shitao College of Economics and Management Nanjing University of Aeronautics and Astronautics Department of Systems Design Engineering University of Waterloo School of Mathematics & Physics Science and Engineering Anhui University of Technology

A dynamic hesitant fuzzy linguistic group decisionmaking(DHFLGDM) problem is studied from the perspective of information reliability based on the theory of hesitant fuzzy linguistic term sets(HFLTSs). First, an approach is applied to transform the dynamic HFLTSs(DHFLTSs) into a set of proportional linguistic terms to eliminate the time dimension. Second, expert reliability is measured by considering both group similarity and degree of certainty, and an optimization method is employed to quantify the linguistic terms by maximizing the group similarity. Third, through computing the attribute stability as well as its reliability, a combination rule which considers both reliability and weight is proposed to aggregate the information, and then the aggregated grade values and degree of stability are used to make a selection. Finally,the application and feasibility of the proposed method are verified through a case study and method comparison.

关键词： dynamic decision-making hesitant fuzzy linguistic term sets(HFLTSs) proportional linguistic terms group similarity degree of certainty

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Low-cost and versatile integration of microwire electrodes and optical waveguides into silicone elastomeric devices using modified xurographic methods

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Microsystems & Nanoengineering 2017年第1期3卷 107-113页

作者： Juncong Liu James B Mahony ponnambalam Ravi Selvaganapathy Department of Mechanical Engineering McMaster UniversityHamiltonOntario L8S 4L7Canada Department of Pathology and Molecular Medicine McMaster UniversityHamiltonOntario L8S 4K1Canada School of Biomedical Engineering McMaster UniversityHamiltonOntario L8S4K1Canada

Microelectrodes are used in microfluidic devices for a variety of purposes such as heating,applying electric fields,and electrochemical ***,they are still manufactured by expensive deposition techniques such as sputtering or evaporation and patterned using photolithography *** recently,alternate methods including nanoparticle sintering and use of liquid metal flowing through microchannels have been used to fabricate *** methods are limited in the material choices or require post processing to be integrated into *** we developed a low-cost and versatile method to integrate high-quality metal microwires into polydimethylsiloxane(PDMS)using *** microwire integration process includes cutting slit pattern on PDMS substrate and subsequent writing metal microwires into the slit pattern using a specialized *** the microwire-integrated PDMS was sealed/bonded using uncured PDMS *** method enables integration of metal microwires of diameter as small as 15μm into PDMS *** of multiple microwires with minimum spacing of 150μm has also been *** versatility of this method is demonstrated by the fabrication of metal microwire suspended in the middle of the microchannel,which is difficult to achieve using conventional electrode fabrication *** low-cost method avoids expensive clean room fabrication yet producing high-quality electrodes and can be used in a variety of microfluidic and MEMS applications.

关键词： lab on a chip microelectrode polydimethylsiloxane(PDMS) xurography

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