Results 1 to 10 of about 1,685 (120)

The impact of land use landscape pattern on river hydrochemistry at multi-scale in an inland river basin, China

Ecological Indicators, 2022
The impact of the land use landscape pattern on river hydrochemistry has significant scale effects. It is the premise and foundation of landscape optimization and the conservation of water resources to accurately identify the core scale of the landscape ...
Junju Zhou, Chuyu Luo, Dongfeng Ma, Wei Shi, Lanying Wang, Zhaonan Guo, Haitao Tang, Xue Wang, Jiarui Wang, Chunfang Liu, Wei Wei, Chunli Wang   +11 more
doaj   +1 more source

Integration of 3D Hydrodynamic Focused Microreactor with Microfluidic Chemiluminescence Sensing for Online Synthesis and Catalytical Characterization of Gold Nanoparticles

Sensors, 2021
Chemiluminescence assays have shown great advantages compared with other optical techniques. Gold nanoparticles have drawn much attention in chemiluminescence analysis systems as an enzyme-free catalyst.
Yanwei Wang, Michael Seidel
doaj   +1 more source

Characterization of coatings on metallic nanoparticles by surface‐enhanced Raman scattering (SERS) for environmental purposes

Vadose Zone Journal, 2020
The increasing production and use of engineered inorganic nanoparticles (EINPs) escalate the risk for their unintended release into the environment.
Sayed Amininejad, Natalia P. Ivleva, Thomas Baumann   +2 more
doaj   +1 more source

Pharmaceutical Transformation Products Formed by Ozonation—Does Degradation Occur?

Molecules, 2023
The efficiency of an advanced oxidation process (AOP) using direct and indirect ozonation for the removal of pharmaceutical residues from deliberately spiked deionized water was examined.
Adi Zilberman, Igal Gozlan, Dror Avisar
doaj   +1 more source

Hydrochemical aspects of high-temperature aquifer storage in carbonaceous aquifers: evaluation of a field study

Geothermal Energy, 2019
Aquifer thermal energy storage systems in the sediments of the Upper Jurassic in the north-eastern part of the Bavarian Molasse Basin seem to be feasible in terms of the hydrogeological and hydrochemical setting.
Martina Ueckert, Thomas Baumann
doaj   +1 more source

Statistical analysis of hydrochemistry and isotopic characterization of groundwater from the Parecis Basin

RBRH, 2021
Knowledge of mechanism controlling the hydrochemistry of groundwater are crucial requirement to understand the hydrochemical evolution and evaluate the water quality of subsurficial water resources.
Marcia Regina Stradioto, Elias Hideo Teramoto, Hung Kiang Chang   +2 more
doaj   +1 more source

Regeneration of Recombinant Antigen Microarrays for the Automated Monitoring of Antibodies against Zoonotic Pathogens in Swine Sera

Sensors, 2015
The ability to regenerate immobilized proteins like recombinant antigens (rAgs) on surfaces is an unsolved problem for flow-based immunoassays on microarray analysis systems.
Verena K. Meyer, Catharina Kober, Reinhard Niessner, Michael Seidel   +3 more
doaj   +1 more source

Crystallization of calcium carbonate in a large-scale push–pull heat storage test in the Upper Jurassic carbonate aquifer

Geothermal Energy, 2020
Crystallization of carbonates is a key process affecting the operation of geothermal facilities and aquifer heat storage systems. The crystals formed in an aquifer heat storage test in the Upper Jurassic carbonate aquifer were investigated at injection ...
Martina Ueckert, Carina Wismeth, Thomas Baumann   +2 more
doaj   +1 more source

Simple Generation of Suspensible Secondary Microplastic Reference Particles via Ultrasound Treatment

Frontiers in Chemistry, 2020
In the environment the weathering of plastic debris is one of the main sources of secondary microplastic (MP). It is distinct from primary MP, as it is not intentionally engineered, and presents a highly heterogeneous analyte composed of plastic ...
Elisabeth von der Esch, Maria Lanzinger, Alexander J. Kohles, Christian Schwaferts, Jana Weisser, Thomas Hofmann, Karl Glas, Martin Elsner, Natalia P. Ivleva   +8 more
doaj   +1 more source

A record of volcanic eruptions over the past 2,200 years from Vostok firn cores, central East Antarctica

Frontiers in Earth Science, 2023
Introduction: The products of volcanic eruptions found in the snow, firn and ice deposits of the polar ice sheets are precious sources of information on the volcanic forcing of the climate system in the recent or remote past.
Arina N. Veres, Alexey A. Ekaykin, Alexey A. Ekaykin, Liudmila P. Golobokova, Tamara V. Khodzher, Olga I. Khuriganowa, Alexey V. Turkeev   +6 more
doaj   +1 more source