Browsing by Author "Ponnamma, Deepalekshmi"
Now showing items 1-9 of 9
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A comprehensive review on revalorization of natural rubber latex based foams: Enhancing properties through filler incorporation and surface modifications for multifaceted applications
Parvathi, Pradeep; Sethulekshmi, A.S.; Ponnamma, Deepalekshmi; Saritha, Appukuttan ( Elsevier , 2024 , Article Review)Natural rubber latex foams (NRLF) are cellular porous rubbery materials that are widely recognized for their versatility and environmentally friendly properties. In recent years, researchers have investigated the incorporation ... -
Designing dual phase sensing materials from polyaniline filled styrene-isoprene-styrene composites
Sadasivuni, Kishor Kumar; Ponnamma, Deepalekshmi; Kasak, Peter; Krupa, Igor; Al-Maadeed, Mariam Ali S.A. ( Elsevier Ltd , 2014 , Article)The demand for developing oil detectors is ever increasing since the cleanup and recovery from oil spill usually take long time. Here we propose oil sensors made of polyaniline (PANI) filled poly(styrene-isoprene-styrene) ... -
Development of flexible PVDF/ BaTiO3-MoS2 polymer nanocomposites for energy harvesting and gas sensing applications
Parangusan, Hemalatha; Al-Sowaidi, Dana; Elhadrami, El Hassan; Ponnamma, Deepalekshmi; Bhadra, Jolly ( Springer Nature , 2024 , Article)The need for flexible and wearable devices is quite great in the modern era of advanced electronics and the Internet of Things (IoT). Here, we present a poly(vinylidene fluoride) (PVDF)/Barium Titanate–Molybdenum Disulfide ... -
Electrospun Polysulfone Hybrid Nanocomposite Fibers as Membrane for Separating Oil/Water Emulsion
Ponnamma, Deepalekshmi; Elgawady, Yara; Hassan, Mohamed K.; Adham, Samer; Al-Maas, Mashael; Alamgir, Karim; Al-Maadeed, Mariam Al Ali... more authors ... less authors ( Springer Nature , 2023 , Article)Commercial polymer membranes are largely utilized to separate oil/water mixtures; however, membrane fouling, flux decline, and short lifetime often inhibit their high performance. In order to resolve these drawbacks of the ... -
Enhanced photo-electro catalytic CO2 conversion using transition metal doped TiO2 nanoparticles
Yempally, Swathi; Nassar, Anshad M.; Lakshmi, Chinthalapudi Naga; Singh, Narendra; Sanapala, Someswara Rao; Al-Ejji, Maryam; Zaidi, Shabi Abbas; Ponnamma, Deepalekshmi... more authors ... less authors ( Elsevier , 2024 , Article)The Fe, Co, and Ni-doped TiO2 were synthesised by sol–gel process, and the nanomaterials were coated on electrodes through a slurry with Nafion. This study aims to use prepared nanoparticles of Fe, Co, and Ni-doped TiO2 ... -
Fabrication and bioactivity studies of wollastonite/polycaprolactone composites
Lakshmi, R.; Choudhary, Rajan; Senatov, Fedor; Kaloshkin, Sergey; Kothandam, Shobana; Ponnamma, Deepalekshmi; Sadasivuni, Kishor Kumar; Swamiappan, Sasikumar... more authors ... less authors ( Inderscience Publishers , 2023 , Article)Current work investigates the influence of wollastonite on mechanical stability and biomineralisation ability of wollastonite/ polycaprolactone (PCL) composites (WP composites). The solvent casting particulate leaching ... -
Laser Induced Periodic Surface Structures on Nano Metal Oxide filled Polyvinylidene Fluoride Nanocomposites
Ponnamma, Deepalekshmi; Sivakumar, Velautham; Popelka, Anton; Hussein, Yasser H. A.; Al-Maadeed, Mariam Al Ali ( Elsevier , 2018 , Article)The ability of polarized pulsed laser in surface modification of substrate surfaces without thermally destroying them is a well-established concept of scientific procedure. In this work, we report the laser induced surface ... -
Phase-separated polyvinylidene fluoride/ZnO composite microspheres as sunlight-driven photocatalysts
Anwar, Hayarunnisa; Al-Ejji, Maryam; Radhika, V.; Ponnamma, Deepalekshmi ( Elsevier , 2024 , Article)PVDF-ZnO nanocomposites, prepared through phase separation-assisted nanoprecipitation with varying ZnO concentrations, exhibit enhanced photocatalytic performance against organic dye pollutants. Comprehensive characterization ... -
Production of Biodiesel from Soybean Oil in Less Time and at Low Temperature
Choudhary, Rajan; Kumar, Anuj; Ellapani, Vijay Nag; Trinayan, Baruah; Loganathan, Muruganandam; Ravy, Lakshmi; Vijayaparthasarathi, Vijayakumar; Baburao, Amit Mahindrakar; Shanthakumar, Subramaniam; Ponnamma, Deepalekshmi; Sadasivuni, Kishor Kumar; Swamiappan, Sasikumar... more authors ... less authors ( Asian Publication Corporation , 2022 , Article)The heterogeneous catalyst plays an important role in the production of biodiesel at industrial level. In present work, the utilization of wollastonite as a heterogeneous catalyst is attempted to explore its non-biomedical ...