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Soil contamination by heavy metals poses a persistent environmental and public health concern in rapidly urbanising regions of Ghana, particularly at unregulated waste disposal sites. This study applies an unsupervised machine learning…

The worldwide increase of antimicrobial resistance (AMR) is a serious threat to human health. To avert the spread of AMR, fast reliable diagnostics tools that facilitate optimal antibiotic stewardship are an unmet need. In this regard,…

In a desired environmental protection system, groundwater may not be excluded. In addition to the problem of over-exploitation, in total disagreement with the concept of sustainable development, another not negligible issue concerns the…

机器学习 · 计算机科学 2022-07-21 Daniele Secci , Laura Molino , Andrea Zanini

Water quality is foundational to environmental sustainability, ecosystem resilience, and public health. Deep learning offers transformative potential for large-scale water quality prediction and scientific insights generation. However,…

机器学习 · 计算机科学 2025-10-28 Xiaobo Xia , Xiaofeng Liu , Jiale Liu , Kuai Fang , Lu Lu , Samet Oymak , William S. Currie , Tongliang Liu

The coloured dissolved organic matter (CDOM) concentration is the standard measure of humic substance in natural waters. CDOM measurements by remote sensing is calculated using the absorption coefficient (a) at a certain wavelength (e.g.…

地球物理 · 物理学 2021-01-08 Ana B. Ruescas , Martin Hieronymi , Sampsa Koponen , Kari Kallio , Gustau Camps-Valls

We explored the surface enhanced Raman scattering (SERS) activity of the InN nanostructures, possessing surface electron accumulation (SEA), using the Rhodamine 6G (R6G) molecules. SERS enhancement is observed for the InN nanostructures…

材料科学 · 物理学 2018-08-14 Kishore K. Madapu , Sandip Dhara

We present an efficient machine learning framework for detection and classification of nanoparticles on surfaces that are detected in the far-field with Coherent Fourier Scatterometry (CFS). We study silicon wafers contaminated with…

光学 · 物理学 2020-07-15 D. Kolenov , S. F. Pereira

Detecting heavy metal pollution in soils and seaports is vital for regional environmental monitoring. The Pollution Load Index (PLI), an international standard, is commonly used to assess heavy metal containment. However, the conventional…

机器学习 · 计算机科学 2025-06-30 Tin Lai , Farnaz Farid , Yueyang Kuan , Xintian Zhang

Organics, if they do exist on Europa, may only be present in trace amounts on the surface. NASA's upcoming mission Europa Clipper is going to provide global, high quality data of the surface of Europa in the near-infrared (NIR),…

地球与行星天体物理 · 物理学 2025-06-03 Ishan Mishra , Nikole Lewis , Jonathan Lunine , Kevin P. Hand

A three-dimensional (3D) electrochemical flow-through reactor equipped with GAC packed bed, polarized by the electric field, was evaluated for the removal of persistent organic contaminants from real sewage effluent. The performance of the…

应用物理 · 物理学 2021-03-25 Giannis-Florjan Norra , Jelena Radjenovic

Ongoing advancements in computer vision, particularly in pattern recognition and scene classification, have enabled new applications in environmental monitoring. Deep learning now offers non-contact methods for assessing water quality and…

计算机视觉与模式识别 · 计算机科学 2025-09-04 Shubham Laxmikant Deshmukh , Matthew Wilchek , Feras A. Batarseh

We propose an integrated surface enhanced Raman scattering (SERS) chip based on liquid-core waveguide with total reflection, through which the depression of leaky mode enable a long propagating distance. An Raman enhancement factor for…

光学 · 物理学 2015-12-08 Chunhong Lai , Gang Chen , Li Chen , Junhui Li , Qinghao Liu , Yi Xu

In general, most of the substances in nature exist in mixtures, and the noninvasive identification of mixture composition with high speed and accuracy remains a difficult task. However, the development of Raman spectroscopy, machine…

信号处理 · 电气工程与系统科学 2022-02-02 Liangrui Pan , Peng Zhang , Chalongrat Daengngam , Mitchai Chongcheawchamnan

Recent advancements in computer vision, particularly in detection, segmentation, and classification, have significantly impacted various domains. However, these advancements are tied to RGB-based systems, which are insufficient for…

图像与视频处理 · 电气工程与系统科学 2025-05-15 Savvas Sifnaios , George Arvanitakis , Fotios K. Konstantinidis , Georgios Tsimiklis , Angelos Amditis , Panayiotis Frangos

Per- and polyfluoroalkyl substances (PFAS) are persistent environmental contaminants with significant public health impacts, yet large-scale monitoring remains severely limited due to the high cost and logistical challenges of field…

计算机视觉与模式识别 · 计算机科学 2026-02-19 Jowaria Khan , Alexa Friedman , Sydney Evans , Rachel Klein , Runzi Wang , Katherine E. Manz , Kaley Beins , David Q. Andrews , Elizabeth Bondi-Kelly

Air pollution constitutes a global problem of paramount importance that affects not only human health, but also the environment. The existence of spatial and temporal data regarding the concentrations of pollutants is crucial for performing…

机器学习 · 计算机科学 2024-02-13 Teresa Bernardino , Maria Alexandra Oliveira , João Nuno Silva

Conventional colorimetric sensing methods typically rely on signal intensity at a single wavelength, often selected heuristically based on peak visual modulation. This approach overlooks the structured information embedded in full-spectrum…

医学物理 · 物理学 2026-04-16 Majid Aalizadeh , Chinmay Raut , Ali Tabartehfarahani , Xudong Fan

Optical emission spectroscopy from a small-volume, 5 uL, atmospheric pressure RF-driven helium plasma was used in conjunction with Partial Least Squares Discriminant Analysis (PLS-DA) for the detection of trace concentrations of methane…

等离子体物理 · 物理学 2022-07-12 Tahereh Shah Mansouri , Hui Wang , Davide Mariotti , Paul Maguire

Microplastics are pervasive pollutants that pose threats to the environment and human health. Detecting them reliably represents a crucial step toward finding solutions. While traditional techniques like vibrational and mass spectroscopies…

仪器与探测器 · 物理学 2025-05-29 Natalia A. Gutierrez Andrade , Yunfeng Nie , Wendy Meulebroeck , Heidi Ottevaere

Underwater litter is widely spread across aquatic environments such as lakes, rivers, and oceans, significantly impacting natural ecosystems. Current monitoring technologies for detecting underwater litter face limitations in survey…

计算机视觉与模式识别 · 计算机科学 2025-07-09 Fan Zhao , Yongying Liu , Jiaqi Wang , Yijia Chen , Dianhan Xi , Xinlei Shao , Shigeru Tabeta , Katsunori Mizuno