Article
Geochemistry & Geophysics
Robert John Chapman, David Archibald Banks, Michael Thomas Styles, Richard David Walshaw, Sandra Piazolo, Daniel Joseph Morgan, Matthew Russel Grimshaw, Carl Peter Spence-Jones, Thomas James Matthews, Olga Borovinskaya
Summary: Studies of populations of gold particles are becoming increasingly common, but interpretation of compositional data may not be straightforward and require methods such as electron-probe-microanalysis and laser-ablation ICP mass spectrometry. Research shows that gold mainly forms homogeneous alloys with Ag, Cu, and Hg, while other elements are commonly distributed highly heterogeneously.
MINERALIUM DEPOSITA
(2021)
Article
Geosciences, Multidisciplinary
Guanzhou Yan, Rongchang Wu, Bing Huang, Ian G. Percival, Fangyi Gong, Xin Wei, Lixia Li
Summary: By studying the Telychian conodont faunas from different sections of the Yangtze Platform, two distinct conodont biofacies have been identified, representing relatively deeper-water and shallower depositional environments respectively. Vertical changes in conodont biofacies in certain sections show transgressive-regressive patterns similar to published sea-level curves for the Early Silurian.
JOURNAL OF ASIAN EARTH SCIENCES
(2022)
Article
Agronomy
Zhao-Feng Yuan, Williamson Gustave, Syed Tahir Ata-Ul-Karim, Jonathan Bridge, Raju Sekar, Fuyuan Liu, Zheng Chen
Summary: The biogeochemical cycles of elements from soils to plants are mainly governed by their rhizosphere processes. This study employed an updated In-situ Porewater Iterative (IPI) sampler to collect porewater across the rice rhizosphere at a spatial resolution of 1.7 mm and a time interval of 3-10 days. The findings revealed that most elements covaried with Fe both in time and space in the rhizosphere, but the elements are temporally and spatially determined by multiple biogeochemical processes.
Article
Environmental Sciences
Matthew Dietrich, John Ayers
Summary: Limited research has been conducted on trace metal(loid) exchange between sediment, water, feed, and shrimp in estuarine aquaculture environments. Shrimp metal(loid) concentrations are mainly influenced by diet rather than pond sediment or pond water. The detection of thallium in shrimp at levels posing significant human health risks warrants further investigation into potential contamination in Bangladesh aquaculture environments.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Environmental Sciences
Yongxue Liu, Qixin Wu, Huipeng Jia, Zhuhong Wang, Shilin Gao, Jie Zeng
Summary: This study investigated the anomalies of anthropogenic rare earth elements (REEs) in urban lakes in Wuhan, China, and examined the relationship between anthropogenic REE concentrations and the surrounding environment. Different sources of anthropogenic REEs, including hospitals, factories, population, urban land, and cropland, were identified using various data analysis methods. A three-dimensional tracer system was established to accurately assess the impact of wastewater treatment plants, hospitals, factories, and agriculture on the lakes.
Article
Chemistry, Multidisciplinary
Hannah M. Johnson, Acacia M. Dasher, Madison Monahan, Soenke Seifert, Liane M. Moreau
Summary: Bimetallic nanoparticles have tunable hybrid properties. This study investigates the effect of reduction parameters on the atomic scale alloy distributions within AgAu nanoparticles. The results suggest that reduction parameters can affect the local alloy distributions and homogeneity within bimetallic nanoparticles.
Article
Chemistry, Applied
Sabrina H. Bilston-John, Ardra Narayanan, Ching Tat Lai, Alethea Rea, John Joseph, Donna T. Geddes
Summary: The study examined the daily and within-feed variations of macro- and trace-elements in human milk, finding significant differences in intake estimates when using morning pre-feed samples compared to measured 24-hour intake. Standardized sampling protocols with large sample volumes and multiple collections over 24-hours are recommended to provide a more accurate calculation of infant intake of macro- and trace-elements in human milk.
Article
Engineering, Chemical
Isabel F. Barton, J. Brent Hiskey
Summary: Leaching studies of chalcopyrite can reach divergent conclusions due to the natural variability in the properties of chalcopyrite samples, such as chemical, crystallographic, and electromagnetic properties. Chalcopyrite can accommodate various galvanically active trace elements that can catalyze or inhibit leaching. While most chalcopyrites are n-type semiconductors, some are weak to moderate p-type semiconductors, which may affect leaching behavior.
MINERALS ENGINEERING
(2022)
Article
Astronomy & Astrophysics
Jiming Yu, Haoran Song, Shunke Ai, He Gao, Fayin Wang, Yu Wang, Youjun Lu, Wenjuan Fang, Wen Zhao
Summary: This study investigates the optical and electromagnetic counterparts of binary neutron star mergers, discussing the rates and distributions of multimessenger observations in different generations of GW detectors. Results show that these events have lower redshifts and inclination angles.
ASTROPHYSICAL JOURNAL
(2021)
Article
Energy & Fuels
Cyriac S. Mvolo, Emmanuel A. Boakye, Ahmed Koubaa
Summary: The relative proportions of different chemical components in wood tissues play a crucial role in determining wood properties. Accurately describing the variations of carbon, nitrogen, and hydrogen concentrations in different tissue types is important for forest biogeochemical budgets and models. The study evaluated these variations in white spruce samples from a spacing intensities trial in Canada and found that drying methods and spacing intensities impacted the concentrations of these chemical elements. The results also suggested treating bark and knots as separate fuel types for their chemical element content.
Article
Neurosciences
Qiufu Ma
Summary: The somatosensory system is proposed to be functionally subdivided into the exteroceptive branch and the interoceptive branch, with distinct roles in detecting external threats and sensing body integrity disruptions respectively. This subdivision challenges the current dilemma in pain research field and highlights potential translation issues in therapies from preclinical studies.
Review
Biochemistry & Molecular Biology
Mubashir Hassan, Saba Shahzadi, Richard F. Ransom, Andrzej Kloczkowski
Summary: Medicinal mushrooms are potential sources of valuable medicines, possessing significant therapeutic properties and being used as medications for various diseases. They have a wide range of important biological activities and can be used as antioxidants, anti-inflammatory, anticancer, and antidiabetic agents.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Environmental Sciences
Rossana Sussarellu, Tiphaine Chouvelon, Yann Aminot, Jerome Couteau, Geraldine Loppion, Lionel Degremont, Jean-Baptiste Lamy, Farida Akcha, Julien Rouxel, Clothilde Berthelin, Tifanie Briaudeau, Urtzi Izagirre, Aourell Mauffret, Anne Grouhel, Thierry Burgeot
Summary: This study investigated the bioaccumulation abilities and biomarker responses in Mytilus edulis, Mytilus galloprovincialis, and their hybrids through in situ transplantation experimentation on their progenies. Variations in contaminant bioaccumulation and different biomarker responses were observed between Mytilus species in the field, highlighting the importance of including data on species or the presence of hybrid individuals in biomonitoring programs databases. Differences in contamination levels were contaminant-specific, with higher levels of certain contaminants observed in different species or hybrids.
ENVIRONMENTAL POLLUTION
(2022)
Article
Geography, Physical
Hanxiao Li, Hanxinshuo Dong, Haishui Jiang, Paul B. Wignall, Yanlong Chen, Muhui Zhang, Zhumin Ouyang, Xianlang Wu, Baojin Wu, Zaitian Zhang, Xulong Lai
Summary: This study establishes an integrated timescale for the South Qinling Belt based on conodont biostratigraphy and carbon isotope records. It provides a high-resolution age model for the region and reveals the connection between the South Qinling Belt and the Northern Yangtze Platform.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2022)
Article
Environmental Sciences
Zhuo Chen, Libin Wu, Liqiang Xu, Xiaodong Liu
Summary: This study investigated the spatial and temporal changes of elemental concentrations and their influencing factors in sediment cores collected from the eastern shelf of Hainan Island, South China Sea. The results showed that the contents of metallic elements were closely related to offshore distance, and the concentrations of Cu, Zn, As, Pb, Ni, and Cr increased from the bottom toward the surface. The metallic and metalloid elements in the sediments were mainly influenced by the input of terrigenous debris and maritime materials, and redox conditions may also affect the geochemical characteristics of some elements such as As and Cr.
JOURNAL OF SOILS AND SEDIMENTS
(2023)
