نتایج جستجو برای: 2085 μgl

تعداد نتایج: 312  

Journal: :Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association 2010
Fan Wang Ping Ye Leiming Luo Wenkai Xiao Hongmei Wu

BACKGROUND Several large prospective studies have reported that a low estimated glomerular filtration rate (eGFR) or chronic kidney disease (CKD) is independently associated with cardiovascular disease (CVD) events and all-cause mortality in high-risk populations. However, findings from community-based population studies are scarce and inconsistent. We investigated the level of eGFR and the rel...

1999
Yiqi Luo James F. Reynolds

One of the ultimate goals of ecosystem carbon dioxide (CO2) experiments is to infer the capacity of terrestrial ecosystems to sequester carbon (C) in a CO2-enriched world. This modeling study examines C sequestration (Cseq) in natural ecosystems based on CO2 experiments. Most experiments are conducted by a step increase in CO2 concentration, whereas natural ecosystems are experiencing a gradual...

2013
Abhishek Saini Mukesh Gupta Bhagwan Sahai Sharma Munish Kakkar Gaurav Chaturvedy Mukesh Gupta

Methods A questionnaire based survey was conducted during November-December 2011 in 2300 school children (4-18 yr). Modified ARIA questionnaire translated in Hindi language containing 20 questions was used. Questions 1-4 were AR defining symptoms, question 5 related to classification (intermittent Vs persistent), questions 6 related to allergens and conditions inducing or aggravating symptoms a...

Journal: :Turkish Journal of Earth Sciences 2023

The sinistral East Anatolian Fault Zone (EAFZ) and the dextral North (NAFZ) are two important strike-slip faults that delimit boundaries of plate. north-south directed compressional forces in eastern Türkiye trigger westward escape plate along these prominent structures. This study aims to reveal earthquake history Sürgü Çardak faults, which fault segments splay from EAFZ. In this context, over...

Journal: :Journal of Power Sources 2021

Abstract Vanadium redox flow battery (VRB) has attracted enormous attention as a large-scale energy storage system owing to its long life, stable capacity and high safety. The electrode porosity plays crucial role in the performance of VRB. This work reports effect on electrocatalytic activity charge transfer VRB using spent tea derived porous carbon material. microstructure is systematically m...

2013
Manuela D. Machado Eduardo V. Soares

The present work describes the optimization of a short-term assay, based on the inhibition of the esterase activity of the alga Pseudokirchneriella subcapitata, in a microplate format. The optimization of the staining procedure showed that the incubation of the algal cells with 20 μmolL fluorescein diacetate (FDA) for 40 min allowed discrimination between metabolic active and inactive cells. Th...

2008
Kee-Shyuan Loh Yook Heng Lee Ahmad Musa Abdul Aziz Salmah Ishak Zamri

Magnetic nanoparticles of Fe₃O₄ were synthesized and characterized using transmission electron microscopy and X-ray diffraction. The Fe₃O₄ nanoparticles were found to have an average diameter of 5.48 ±1.37 nm. An electrochemical biosensor based on immobilized alkaline phosphatase (ALP) and Fe₃O₄ nanoparticles was studied. The amperometric biosensor was based on the reaction of ALP with the subs...

Journal: :Aquatic toxicology 2012
Vania Lucia Loro Mariana Basso Jorge Kassio Rios da Silva Chris M Wood

Zinc is an essential trace metal, but many aspects of its toxicity remain unclear. In this study, we investigated zinc effects on oxidative stress parameters and antioxidant profile in four tissues (gill, liver, kidney, and white muscle) of Fundulus heteroclitus. Possible interactive effects of salinity were also studied. Killifish were exposed to sublethal level (500 μgL(-1)) of waterborne zin...

Journal: :Herpetological Journal 2022

The impact of climate change on Malagasy amphibians remains poorly understood. Equally, deforestation, fragmentation, and lack connectivity between forest patches may leave vulnerable species isolated in habitat that no longer suits their environmental or biological requirements. We assess the predicted by 2085 potential distribution a Critically Endangered frog species, golden mantella (Mantel...

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