Nitrate is an important pollutant found in environmental samples. Nitrate and nitrite pose
various environmental as well as health hazards. Different methods of determining nitrate in …

Extended research on the design and development of a smart nitrate sensor for monitoring
nitrate concentration in surface and groundwater are reported in this paper. The developed …

Nitrates and nitrites are common in water systems, sewage and food. Their presence in low
amounts in aquatic ecosystems is desirable for the growth and development of living …

Low-cost nitrate-N sensors and smart sensing systems are necessary to develop a
distributed network to monitor the quality of water in real time. This paper presents the …

Sulfanilic acid (SAA) has been studied experimentally and theoretically. The DFT approach
(Density functional theory) is used for theoretical investigations. Hirshfeld analysis was used …

A new eco-friendly, rapid, and sensitive spectrophotometric method was developed to
determine small quantities of nitrite, based on a diazotization mechanism. In an acidic …

Multiple methods have been published to detect melamine, only a few offer sensitivities
below 50 nM with complicated procedures and sophisticated equipments. We demonstrate …

The explosion in urban population are increasing burdens on water and energy systems,
which ultimately release harmful pollutants such as wastewater and toxic gases into the …

Anthropogenic activity in Antarctica has increased due to the various scientific expeditions
and tourism. Lake water sampling was carried out during the 34th Indian Scientific …

A microfluidic paper-based analytical device (µPAD) is a new technology platform for
extremely low-cost sensing applications. This study aimed to explore for an inexpensive …