• Impact of trace noble metals on the catalytic performance of LaNiMgO towards methane dry reforming 

  Mohamed, Assem T.; Kumar, Anand; Zekri, Atef; Abotaleb, Ahmed; Sinopoli, Alessandro; Al-Qaradawi, Siham Y.; Ahmad, Yahia H.... more authors ... less authors ( Elsevier , 2024 , Article)

  CO2 reforming of methane was investigated using trace noble metal anchored MgO-promoted Ni/La2O3 catalyst (LaNiMgO-X), where X = Ir, Pt, Ru, Pd, and Rh. The incorporation of noble metals enhanced Ni dispersion on the support ...
• Model Order Reduction for System with Negative Imaginary property: Structure-Preserving Approach 

  Mabrok, Mohamed A.; Meskin, Nader; Khattab, Tamer ( Institute of Electrical and Electronics Engineers (IEEE) , 2025 , Conference)

  Model order reduction (MOR) is a set of methods used to simplify the analysis and design of complex dynamical systems by reducing their size and complexity. However, these techniques often struggle to maintain important ...
• Trace metal composition of suspended particulate matter in the water column of the Black Sea 

  Yiğiterhan, Oğuz; Murray, James W.; Tuğrul, Süleyman ( Elsevier , 2011 , Article)

  We analyzed the chemical composition of suspended matter from the Black Sea for a complete suite of elements used as tracers for various sources and processes. Samples of suspended matter were collected at four stations ...
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  Synthesis of nanostructured novel ion-imprinted polymer for selective removal of Cu2+ and Sr2+ ions from reverse osmosis concentrated brine 

  Khan, Mariam; Al- Ghouti, Mohammad A.; Khraisheh, Majeda; Shomar, Basem; Hijji, Yousef; Tong, Yongfeng; Mansour, Said; Nasser, Mustafa Saleh... more authors ... less authors ( Elsevier , 2023 , Article)

  This study aims to prepare an ion-imprinted polymer (IIP) using copper sulfate as a template and potassium persulfate as an initiator to selectively adsorb copper ions (Cu2+) from aqueous solutions and in an attempt to ...
• Nuclear magnetic resonance spectroscopy: A comprehensive tool for analyzing liquid products in electrochemical CO2 reduction 

  Aymen S., Abu Hatab; Ahmad, Yahia H.; Mady, Mohamed F.; Hassan, Yasser; Zkria, Abdelrahman; Sinopoli, Alessandro; Abdullah, Aboubakr M.; Al-Qaradawi, Siham Y.; Yoshitake, Tsuyoshi; Khaled, Mazen... more authors ... less authors ( Elsevier , 2025 , Article)

  The electrochemical reduction of carbon dioxide (eCO2RR) has become a very promising pathway that can be used in the transformation of CO2 to important chemical products and, thus, is one of the mitigations of climate ...
• Piezoelectric Properties of Biopolymers 

  Divya, R.; Yempally, Swathi; Ponnamma, Deepalekshmi ( Springer Nature , 2023 , Book chapter)

  Biopolymers with piezoelectric properties are widely attractive nowadays owing to their direct and indirect effects of piezoelectric behavior in addition to biocompatibility and biodegradability. Although a wide range of ...
• A versatile route for the fabrication of micro-patterned polylactic-acid (PLA)-based membranes with tailored morphology via breath figure imprinting 

  Akoumeh, Rayane; Noun, Manale; Ponnamma, Deepalekshmi; Al-Ejji, Maryam; Zadeh, Khadija M.; Hawari, Alaa H.; Song, Kenan; Hassan, Mohammad K.... more authors ... less authors ( Royal Society of Chemistry , 2024 , Article)

  Breath figure imprinting, based on surface instabilities combined with fast polymer evaporation in a humid environment, enables the creation of micro-patterned membranes with tailored pore sizes. Despite being a simple ...
• MoS2-Based Hybrid Piezoelectric Materials 

  Ebrahim, Sahal; Ponnamma, Deepalekshmi ( wiley , 2024 , Book chapter)

  The utilization of renewable energy is the primary focus of the scientific world today. However, the large initial cost, space requirements, and low technological upgrades fade its merits, and lead to difficulty in its ...
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  Advancements in nanocarbon-based catalysts for enhanced fuel cell performance: a comprehensive review 

  Agrawal, P.; Ebrahim, S.; Ponnamma, D. ( Springer , 2024 , Article Review)

  Fuel cells hold great promise as a clean energy technology, yet challenges such as material compatibility, manufacturing costs, and durability issues, particularly with noble metal-based electrocatalysts like platinum (Pt), ...
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  Influence of phase-separated structural morphologies on the piezo and triboelectric properties of polymer composites 

  Yempally, Swathi; Kacem, Eya; Ponnamma, Deepalekshmi ( Springer , 2023 , Article Review)

  Simplified and flexible fabrication methods, high output performance, and extreme flexibility of polymer-based nanocomposites represent versatile designs in self-powering devices for wearable electronics, sensors, and smart ...
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  Fiber chemistry and technology: their contributions to shaping Society 5.0 

  Al Maadeed, Mariam Al Ali; Ponnamma, Deepalekshmi ( Springer , 2023 , Article)

  Society 5.0 establishes innovations and innovativeness as the basic platforms for accelerating the development of solution-based strategies for the sustainability problems every society is facing. It features an interactive ...
• Investigation of the photo-Fenton efficiency and dielectric properties of BiVO4/α-Fe2O3 nanocomposites 

  Rajkumar, Saidurga; Perumalsamy, Sundara Venkatesh; Kulandaivel, Jeganathan; Paramasivam, Thangadurai; Krishnan, Jayanthi Santhana; Ponnamma, Deepalekshmi... more authors ... less authors ( Springer Science and Business Media Deutschland GmbH , 2025 , Article)

  This study focuses on successfully synthesizing BiVO4 nanoparticles (NPs), α-Fe2O3 NPs, and their nanocomposites (NCs) using the facile hydrothermal method to degrade methylene blue (MB) dye molecules and fabricate flexible ...
• Exploration of photocatalytic dye degradation and non-linear optical absorption of BiVO4-TiO2 nanocomposites 

  Rajkumar, Saidurga; Perumalsamy, Sundara Venkatesh; Chidambaram, Sabari Girisun T.; Kulandaivel, Jeganathan; Paramasivam, Thangadurai; Ponnamma, Deepalekshmi... more authors ... less authors ( Springer , 2024 , Article)

  In this study, a simple hydrothermal approach was utilized to synthesize BiVO4 nanoparticles (NPs), TiO2 NPs, and BiVO4–TiO2 nanocomposites for the applications in degrading Rhodamine—B dye molecules and exploring optical ...
• Structural, magnetic and antibacterial properties of manganese-substituted magnetite ferrofluids 

  Babukutty, Blessy; Ponnamma, Deepalekshmi; Nair, Swapna S.; Jose, Jiya; Bhat, Saritha G.; Thomas, Sabu... more authors ... less authors ( University of Science and Technology Beijing , 2023 , Article)

  Manganese-substituted magnetite ferrofluids (FFs) MnxFe1-xFe2O4 (x = 0-0.8) were prepared in this work through a chemical co-precipitation reaction. The controlled growth of FF nanomaterials for antibacterial activities ...
• Advanced Membrane Technology to Remove Boron from Water and Wastewater: A Comprehensive Study 

  Al-Ejji, Maryam; Ponnamma, Deepalekshmi; Zadeh, Khadija; Zubair, Mukarram; Yasir, Ahmed; Hassan, Mohamed; Abdelhadi, Noura; Song, Kenan; Hawari, Alaa H.... more authors ... less authors ( American Chemical Society , 2023 , Article Review)

  The rise in boron demand for global industries causes the anthropogenic release of this element to water streams, deteriorating water quality and challenging ecological sustainability. Stringent water quality standards are ...
• A facile route to synthesis NixFe1-xFe2O4 ferrofluids with optimal rheological and magneto-optical properties 

  Babukutty, Blessy; Ponnamma, Deepalekshmi; Jose, Jiya; Nair, Swapna S; Thomas, Sabu ( wiley , 2024 , Article)

  This study presents an easy method for synthesizing ultrafine NixFe1-xFe2O4 nanoparticles with adjustable composition (x = 0-.8), followed by their stabilization into ferrofluids. Structural identification of the crystalline ...
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  Tailoring CO2 detection capabilities using Co-ZnO/MoS2 nanocomposites through electrolyte concentration modulation 

  Yempally, Swathi; Al-Ejji, Maryam; Zaidi, Shabi Abbas; Ponnamma, Deepalekshmi ( Springer , 2024 , Article)

  The current study explores a new approach to investigate the CO2 detection capabilities of cobalt-doped zinc oxide (Co-ZnO) combined with molybdenum sulfide (MoS2) hybrid nanomaterials Co-ZnO/MoS2 (CZM). The hydrothermally ...
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  Effect of Zn-Fe2O3 nanomaterials on the phase separated morphologies of polyvinylidene fluoride piezoelectric nanogenerators 

  Yempally, Swathi; Magadia, Patricia; Ponnamma, Deepalekshmi ( Royal Society of Chemistry , 2023 , Article)

  Self-powered devices based on piezoelectric nanogenerators (PENGs) are becoming crucial in the upcoming smart societies as they can integrate multifunctional applications, especially sensing, energy storage, etc. In this ...
• Fabrication of high-performance symmetric pseudocapacitor by synthesizing ionic liquid-modified graphene/MoS2 NS binary electrode 

  Sreelakshmi, Rajeevan; John, Sam; Ponnamma, Deepalekshmi; George, Soney C. ( Elsevier , 2023 , Article)

  The combination of graphene with metal sulfides has always been getting attention from researchers due to the compatibility in their two-dimensional structure with active sites on their edges and their exceptional optical, ...
• In vitro evaluation of anticancer properties of Mn-substituted magnetite ferrofluids with human osteosarcoma and cervical cancer cells 

  Blessy, Babukutty; Mohan, Chandini C.; Ponnamma, Deepalekshmi; Nair, Swapna S; Jose, Jiya; Bhat, Sarita G; Thomas, Sabu... more authors ... less authors ( Elsevier , 2023 , Article)

  Aqueous manganese (Mn)-doped magnetite is an interesting candidate for cancer therapy owing to its unique magnetic, optical, and viscosity properties and its response to an external magnetic field. This paper addresses the ...

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