Category: Readings
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Recent advances in Materials development and design for Gas Sensing applications
The detection of specific gases in different settings have emerged an essential requirement towards management of different sectors such as industries, agriculture, laboratories, supply chains etc. The development of sensors using different materials play pivotal role in application of gas sensors in real time conditions. Many different type of materials have been studied, utilized and…
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Defect mediated optical detection of ammonia using SnO2 nanoparticle
SnO2 with oxygen vacancies, an n-type gas sensing material used commercially as resistive sensors at high temperatures, suffers from the drift in voltage, contact resistances and poor selectivity. These prevailed defects in rutile SnO2 offer excellent optical properties which remain to be explored for the gas sensor. Apart from advantage of contactless operation with no…
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A comprehensive review on functionalized Hydroxyapatite nanostructures based gas sensors for environmental pollutant monitoring
The utilization of advanced sensing techniques for detecting and monitoring toxic gases in industry and the environment is a predominant action. For such applications, the sensor material should possess higher sensitivity, faster detection, and real-time operation. Mostly, metal oxides (MOs) are preferred for gas sensing purposes owing to their excellent sensing property, wide band-gap, electrical…
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Recent progress in Nanostructured Metal Oxides based NO2 gas sensing in India
The metal oxides are considered as an outstanding semiconductor material to sense several toxicants from the environment. In particular, the nanostructure containing rod, wire, and tube-like morphology of metal oxides were widely utilized to fabricate effective gas sensors worldwide. Out of number of toxicant, nitrogen dioxide (NO2) is one of the highly reactive gas, results…
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Methane sensing studies of ex-situ oxidized sputtered V2O5 nanostructured films: Effect of post oxidation duration
The effect of microstructural modifications of V2O5 thin films, obtained through alterations in post oxidation duration, on methane sensing behavior is reported for the first time. Three different oxidation times viz., 1 h, 3 h and 5 h yielded varied microstructure and vibrational properties as evident from XRD and Raman investigation. These changes in properties…
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Genome-wide mutation/SNP analysis, biological characteristics, and Pan-India prevalence of SARS-CoV-2 Variants of Concern
The origin of COVID-19 pandemic, caused by SARS-CoV-2, was traced to Wuhan, China. Thereafter, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) evolved into various variants owing to genome-wide mutations, causing emergence of multiple variants, including Variant of Interest and Variant of Concern. Here, we discuss genomic architecture of SARS-CoV-2, as well as its multiple variants-…
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Recent development in carbon nanotubes based gas sensors
Technological expansion in nanotechnology have given upsurge to a new generation of functional organic nanomaterials with well-defined characteristics and controlled shape, allowing for a large number of possible applications. Innovative detection systems for the reliable and timely monitoring of dangerous gases in industrial processes and the environment are vital for maintaining optimum health and safety.…
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Implications of advance biomaterials in development of new contraceptive devices
Contraceptives are playing an integral role in maintaining human reproductive and sexual health in present society. Currently available contraceptives are based on the ease of applying, comfort during use, and activity period. The materials used in the development of contraceptives can be a determining factor towards the desired features for possible adoption. Here, in this…
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X-ray and Raman study of CH3NH3PbI3 perovskite nanocrystals
Organic-inorganic hybrid perovskite nanocrystals have gained considerable attention for optoelectronics applications due to their unique properties like high light absorption coefficient, band gap tunability, and larger diffusion length. In this work, the ligand-assisted re-precipitation method (LARP) was employed to synthesize CH3NH3PbI3 nanocrystals (NCs). The optical and structural properties of nanocrystals depend on their size. X-ray…
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Viral infection mitigations using advanced nanomaterials and tools: lessons from SARS-CoV-2 for future prospective interventions
The emergence of recent corona virus SARS-CoV-2-led pandemic infection has generated the incessant demand for the evaluation and development of suitable advanced materials for controlling this and future unforeseen viral infections. The current nanoscience-based materials are being evaluated for possible appliances at different stages encompassing, fields locations for control, identification of virus spread, diagnosis of…