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H. M. Umar

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Open access Oct 2026

Physics Informed Machine Learning for Electrical Sensing and Prediction of Heavy Metal Contamination in Water

Access to safe drinking water remains a global challenge, with approximately 2.1 billion people lacking safely managed water services. Continuous, low-cost monitoring of heavy metal contamination is limited because conventional techniques such as atomic absorption spectroscopy (AAS) and inductively coupled plasma mass...

H. M. Umar, I. Mahmoud, Neha Shrivas et al. · 0 citations
Open access Oct 2026

Comparative Structural, Optical, Morphological and Elemental Characterisation of Jujube-Mediated Silver and Zinc Oxide Nanoparticles

Plant extracts offer a practical route for nanoparticle synthesis because naturally occurring compounds can participate in particle formation and remain associated with the resulting material. In this study, jujube extract was used to prepare silver nanoparticles (AgNPs) and zinc oxide nanoparticles (ZnO NPs). Both pro...

H. M. Umar, Jamilatu Sumaila, T. Zangina · 0 citations

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