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Phases partitioning and occurrence forms of arsenic, chromium, and vanadium in a tidal reach of the Pearl River estuary, South China.
Environ Pollut
January 2025
Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China.
Migration characteristics and occurrence forms of redox-sensitive metal(loid)s such as arsenic (As), chromium (Cr), and vanadium (V) remained unclear in dynamic estuarine waters. In this work, size fractionation and chemical speciation of As, Cr, and V in the Jiaomen Waterway (JMW), a tidal river of the Pearl River estuary, were explored based on (ultra)filtration, the diffusive gradients in thin films (DGT) techniques and a thermodynamic chemical equilibrium model. The results showed that As was present mainly in soluble forms in the river water, and the suspended particulate matter (SPM) was identified the major carrier for Cr.
View Article and Find Full Text PDFOrganic manure and fertilizer N management strategies improve soil health at different growth stages of pearl millet under pearl millet-wheat sequence.
BMC Plant Biol
January 2025
Colorado Water Center, Colorado State University, Fort Collins, CO, USA.
Background: Incorporating organic manure improves soil properties and crop productivity. A long-term study started in October 1967 examined the effects of farmyard manure and nitrogen fertilization on the soil at key growth stages of pearl millet in a pearl millet-wheat cropping system over its 51st cycle.
Results: Applying 15 Mg of farmyard manure (FYM) per hectare in both growing seasons significantly boosted soil organic carbon (SOC), dissolved organic carbon (DOC), and key nutrients compared to one-season application.
Evaluation of an image-rich quiz-based iOS app as a study resource for the ABR Core exam.
Curr Probl Diagn Radiol
January 2025
The Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD, USA. Electronic address:
The American Board of Radiology Core exam requires that trainees demonstrate knowledge of critical concepts across 12 domains spanning a range of imaging modalities and anatomic regions. Mobile apps have become popular components of medical and radiology education since the inception of smartphones. Numerous medical educational apps are accessible via smartphone devices and tablets, regardless of operating system, for medical training and learning purposes.
View Article and Find Full Text PDFAutophagy-Targeted Therapy for Pulmonary Inflammation by 2D MX (M = W, Nb; X = S, Se) Nanosheets.
Acta Biomater
January 2025
Institute of Environmental Research at Greater Bay Area, Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou 510006, China; School of Public Health, Tianjin Medical University, Tianjin 300070, China. Electronic address:
For biomedical applications, two-dimensional transition metal dichalcogenides (2D TMDCs) are often combined with other elements or functionalized with specific surface ligands, while their intrinsic biological activities are not yet fully understood. This study investigates the anti-inflammatory potential of four unmodified 2D TMDCs, including WS, WSe, NbS, and NbSe nanosheets, in LPS-activated MH-S cells in vitro and in a mouse model of pulmonary inflammation in vivo. Despite their varying compositions, these 2D TMDCs exhibited comparable anti-inflammatory effects in LPS-activated MH-S cells.
View Article and Find Full Text PDFUnintended consequences: China's pairing assistance policy and carbon emissions in administrative border areas -evidence from China.
J Environ Manage
January 2025
Department of Finance, Feng Chia University, Taichung, Taiwan. Electronic address:
The investigation of the unintended impact of pairing assistance policies on carbon emissions in administrative boundary regions is critical for achieving the "dual carbon" goals. This paper utilizes a sample of cities from the Pearl River Delta and the eastern and western regions of Guangdong, China, spanning from 2006 to 2020. A quasi-natural experiment based on the co-construction of industrial parks is employed to examine its impact on carbon emissions in boundary regions.
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