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Rolling Circle Amplification on Biotin-Streptavidin Complexes Immobilized to Activated Cyclic Polyolefin Surfaces

Materials Sciences and Applications 2013年第9期4卷 538-548页

作者： Herin Oh Alec Cerchiari Desirée Sorensen Timothy Mon cassandra L.smith Molecular Biology Research Laboratory Boston UniversityBostonUSA Department of Biomedical Engineering Boston Uni-versityBostonUSA Department of Biology Boston UniversityBostonUSA

Cyclic polyolefin (COP) is an inexpensive hydrophobic material with low auto-fluorescence, high light transmittance and thermal stability, broad chemical resistance and no non-specific protein binding. Here, the hydrophobic alkane COP was modified to have carbonyl functionalities through oxygen plasma and chemical etching treatments to increase usefulness for chemical and biochemical applications. Then, biotin-hydrazide was used to create biotinylated surfaces that bound streptavidin. A biotinylated target oligonucleotide was subsequently bound to the immobilized biotin-streptavidin and ligation mediated rolling circle amplification-based (L-RCA) SNP detection was demonstrated.

关键词： Cyclic Polyolefin Ligation Mediated Rolling Circle Amplification SNP Detection

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Science to support conservation action in a large river system:The Willamette River,Oregon,USA

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Water Biology and Security 2023年第4期2卷 20-35页

作者： Rebecca Flitcroft Luke Whitman James White Rose Wallick Laurel Stratton Garvin cassandra smith Robert Plotnikoff Michael Mulvey Tobias Kock Krista Jones Peter Gruendike Carolyn Gombert Guillermo Giannico Andrew Dutterer Daniel Brown Hannah Barrett Brian Bangs Robert M.Hughes U.S.D.A.Forest Service Pacific Northwest Research Station3200 SW Jefferson WayCorvallisOR97331USA Oregon Department of Fish and Wildlife 28655 OR-34CorvallisOR9733USA U.S.Geological Survey Oregon Water Science Center601 SW 2nd AveSuite 1950PortlandOR97204USA Snohomish County Department of Conservation and Natural Resources 3000 Rockefeller AvenueEverettWA98201USA Oregon Department of Environmental Quality Laboratory and Environmental Assessment Division 7202 NE Evergreen ParkwaySuite 150HillsboroOR97124USA U.S.Geological Survey Western Fisheries Research Center5501A Cook-Underwood RoadCookWashington WA 98605USA River Design Group 311 SW Jefferson AvenueCorvallisOR97333USA Bureau of Reclamation Sedimentation and River Hydraulics GroupDenver Federal CenterDenverCO80225USA Oregon State University Department of FisheriesWildlifeand Conservation SciencesNash 104CorvallisOR97331USA Oregon Watershed Enhancement Board 775 Summer Street NESalemOR97301USA U.S.Fish and Wildlife Service 911 NE 11th AvenuePortlandOR97204USA Amnisopes Institute 2895 SE GlennCorvallisOR97333USA

Management and conservation efforts that support the recovery and protection of large rivers are daunting,reflecting the complexity of the challenge and extent of effort(in terms of policy,economic investment,and spatial extent)needed to afford measurable *** large systems have generally experienced intensive development and regulation,compromising their capacity to respond to disturbances such as climate change ***,large river and basin management require insights gained from social,ecological,geophysical,and hydrological *** multidisciplinary perspective can unveil the integrated relationship between a river network's biotic community and seasonally variableenvironmental conditions that are *** rivers andtheir basins are constantly changing due to anthropogenic influences and as climate modifies patterns of temperature and *** of these factors,the state of knowledge must advance to address changing *** Willamette River,in western Oregon,USA,is a prime example of a basin that has experienced significant degradation and investment in rehabilitation in recent *** science has facilitated development of fine-scale,spatially extensive datasets and models that can generate targeted conservation and rehabilitation actions that are prioritized across the entire river *** prioritization allows investment decisions to be driven by site-specific conditions while simultaneously considering potentials for ecological ***,we review hydrologic,geomorphic,ecologic,and social conditions in the Willamette River basin through time—including pre-settlement,river development,andcontemporary periods—andoffer a futurevisionfor ***,detailed informationaboutfish populations and habitat,hydrologic conditions,geomorphology,water quality,and land use can be leveraged to make informed decisions about protection,rehabilitation,and develop

关键词： Rehabilitation Flood mitigation Hydropower Fish Multidisciplinary

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Dietary substitution of soybean oil with coconut oil in the absence of dietary antibiotics supports growth performance and immune function in nursery and grower pigs

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Journal of Animal Science and Biotechnology 2020年第2期11卷 480-492页

作者： Andrea G.Braundmeier-Fleming cassandra S.Skenandore Lesly Gil Victoria Jacobsen Melissa Cregger Taylor Badger Mallory Karr Guoyao Wu Stephen B.smith Annie E.Newell-Fugate Department of Medical Microbiology Immunology and Cell BiologySchool of MedicineSouthern Illinois UniversitySpringfieldIL 62702USA Department of Veterinary Physiology and Pharmacology College of Veterinary Medicine and Biomedical SciencesTexas A&M University4466 TAMUCollege StationTX 77843USA Department of Animal Science Texas A&M University2471 TAMUCollege StationTX 77843USA

Background:We hypothesized that supplementation of nursery and grower pig diets with coconut oil in the absence of antibiotics would yield maintenance of glucose homeostasis,growth performance,and immune function similar to what is achieved with nursery and grower pig diets containing *** received the same base treatment diets from d24(weaning)to d71 of age and had blood and fecal samples collected on d24,d31,d45 and d71 for measurement of whole blood glucose,serum insulin,cortisol and cytokines,and fecal *** had weekly weights and daily feed consumption measured throughout the *** were euthanized at d71 and subcutaneous fat and ileal contents were collected for assessment for fatty acids and microbiome,*** treatments consisted of 2%soybean oil plus antibiotics(ABX;n=22),2%soybean oil without antibiotics(NABX;n=22),and 2%coconut oil without antibiotics(COC;n=22).Statistical analysis examined the effect of diet within each timepoint using a repeated measures ***:Pigs fed COC diet had decreased serum insulin levels,maintained feed intake,feed conversion and weight gain,and,based on serum cytokines and fecal microbiome,were immunologically similar to ABX-fed ***,NABX-fed pigs performed similarly to the ABX-fed pigs in all parameters except for serum ***,there was no difference in the incidence of diarrhea between any of the diet ***:This study demonstrates that dietary antibiotics are not necessary to maintain growth performance in nursery and grower ***,dietary antibiotics appear to modulate circulating cytokine *** coconut oil is neither harmful nor helpful to growth performance or immune function in nursery and grower pigs but does modulate serum insulin ***,while coconut oil fed at 2%by weight is a suitable substitute for dietary antibiotics,this study suggests that no substitute for dietary antibiotics is needed at all.

关键词： Alternatives Antibiotic supplementation Grower pigs Medium chain fatty acids Nursery pigs Oil

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