Results 11 to 20 of about 185,380 (253)

Green Methodologies for Copper(I)-Catalyzed Azide-Alkyne Cycloadditions: A Comparative Study

open access: yesMolecules, 2019
Successful copper(I)-catalyzed azide-alkyne cycloaddition (CuAAC) reactions may be achieved by several methods. In this paper, four synthetic protocols were performed for direct comparison of time required for the synthesis, yield, and purity of the 1H-1,
Marissa Trujillo   +8 more
doaj   +1 more source

Evaluating the impacts of Payment for Ecosystem Services (water supplies) in an agricultural system of the Brazilian Cerrado

open access: yesAnais da Academia Brasileira de Ciências, 2023
In this study, we investigated the effects of the Payment for Ecosystem Services (PES) in an agrisystem located in the Brazilian Midwest. This PES benefits the owners of rural properties that encompass springs that feed the Abóbora River microbasin which
FRANCIELE DE KÁSSIA DE OLIVEIRA   +4 more
doaj   +1 more source

All our Authors: Open Access Publishing Agreements and Academic Research Library Websites in the United States

open access: yes027.7
Since 2018, open access publishing agreements continue to accelerate in the United States among academic research libraries and their consortia as the global scholarly publishing marketplace shifts, adapts, and transforms to address myriad open access ...
Gene R. Springs
doaj   +1 more source

Records of new algal taxa within various aquatic and aerophytic habitats in Slovenia

open access: yesNatura Sloveniae, 2009
In Slovenia, the first algal research dates back to the year 1845, when Kützing referred to several localities in Slovenian territory in his work »Phycologia germanica«.
Aleksandra Krivograd Klemenčič   +2 more
doaj   +1 more source

Surface-groundwater exchange between a wetland, sandur, and lava field in southeastern Iceland

open access: yesHydrology Research, 2023
In May 2019, over 50 springs were identified at a sandur-lava field–wetland complex in Southeast Iceland and a subset was selected for further investigation including monitoring water levels, discharge, and water chemistry. Between May and September 2019,
Aiesha Aggarwal, Kathy L. Young
doaj   +1 more source

Vanishing Springs in Nepalese Mountains: Assessment of Water Sources, Farmers' Perceptions, and Climate Change Adaptation

open access: yesMountain Research and Development, 2017
The Thulokhola watershed of the Nuwakot district in the midhills region of Nepal can be considered typical of climate change-related stresses in the region.
Durga D. Poudel, Timothy W. Duex
doaj   +1 more source

Comparative Evaluation of Hemodiafiltration, Hemoperfusion, and Standard Hemodialysis on Efficacy, Inflammatory Control, Dialysis Adequacy, and Safety in End‐Stage Renal Disease: A Prospective Observational Study

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Chronic micro‐inflammation in patients with end‐stage renal disease (ESRD) is a significant driver of cardiovascular complications and diminished quality of life. While standard hemodialysis (SHD) effectively manages small‐molecule clearance, its ability to remove medium‐to‐large uremic toxins—the primary catalysts of systemic ...
Hongwei Zuo   +5 more
wiley   +1 more source

Contribution des zones d'échanges entre eau de surface et eau souterraine à la biodiversité des hydrosystèmes : exemple d'une rivière méditerranéenne, la Cèze

open access: yesPhysio-Géo, 2019
In a close future, Mediterranean rivers will support strong disturbances due to climate changes, with inexorable consequences for their fauna. The invertebrate biodiversity of the Cèze River (South of France) was studied in a karstic area.
Pierre Marmonier   +6 more
doaj   +1 more source

Structural instability impairs function of the UDP‐xylose synthase 1 Ile181Asn variant associated with short‐stature genetic syndrome in humans

open access: yesFEBS Letters, EarlyView.
The Ile181Asn variant of human UDP‐xylose synthase (hUXS1), associated with a short‐stature genetic syndrome, has previously been reported as inactive. Our findings demonstrate that Ile181Asn‐hUXS1 retains catalytic activity similar to the wild‐type but exhibits reduced stability, a looser oligomeric state, and an increased tendency to precipitate ...
Tuo Li   +2 more
wiley   +1 more source

Whole Body Vibration Exposure During Operation of Rice Combine Harvester under Egyptian Field Conditions [PDF]

open access: yesJournal of Soil Sciences and Agricultural Engineering, 2016
The main target of this investigation is to study the effect of different working conditions during rice harvesting on the combine harvester operators WBV exposure under actual Egyptian field conditions. Data were measured and collected for four types of
A. Hamed
doaj   +1 more source

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