U
Umamaheswari Rajaji
Researcher at National Taipei University of Technology
Publications - 47
Citations - 1194
Umamaheswari Rajaji is an academic researcher from National Taipei University of Technology. The author has contributed to research in topics: Electrochemical gas sensor & Electrocatalyst. The author has an hindex of 14, co-authored 38 publications receiving 618 citations. Previous affiliations of Umamaheswari Rajaji include Ming Chi University of Technology.
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Journal ArticleDOI
Graphene oxide encapsulated 3D porous chalcopyrite (CuFeS2) nanocomposite as an emerging electrocatalyst for agro-hazardous (methyl paraoxon) detection in vegetables
Umamaheswari Rajaji,Keerthi Murugan,Shen-Ming Chen,Mani Govindasamy,Tse-Wei Chen,Pei-Hung Lin,P. Lakshmi prabha +6 more
TL;DR: In this paper, a non-enzymatic electrochemical sensor based on 3D porous phase graphene oxide sheets encapsulated chalcopyrite (GOS@CuFeS2) nanocomposite was proposed for real-time detection of pesticides.
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Detection of Pesticide Residues (Fenitrothion) in Fruit Samples Based On Niobium Carbide@Molybdenum Nanocomposite: An Electrocatalytic Approach.
Mani Govindasamy,Umamaheswari Rajaji,Shen-Ming Chen,Shen-Ming Chen,S. Kumaravel,Tse-Wei Chen,Fahad M.A. Al-Hemaid,M. Ajmal Ali,Mohamed Soliman Elshikh +8 more
TL;DR: An effective electrochemical sensor for assorted pesticide (i.e., Fenitrothion) is reported, characterized by XRD, XPS, HR-TEM, and EIS, and successfully demonstrated in fruit samples.
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Microwave-assisted synthesis of Bi2WO6 flowers decorated graphene nanoribbon composite for electrocatalytic sensing of hazardous dihydroxybenzene isomers
Umamaheswari Rajaji,Mani Govindasamy,Shen-Ming Chen,Tse-Wei Chen,Xiaoheng Liu,Sathishkumar Chinnapaiyan +5 more
TL;DR: In this paper, a microwave assisted synthesis for the preparation of bismuth tungstate/graphene nanoribbons (Bi2WO6@GNRs) nanocomposite as cost-effective alternative to existing hydrothermal method is described.
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Sonochemical synthesis of bismuth(III) oxide decorated reduced graphene oxide nanocomposite for detection of hormone (epinephrine) in human and rat serum.
Shaktivel Manavalan,Umamaheswari Rajaji,Shen-Ming Chen,Mani Govindasamy,S. Steplin Paul Selvin,Tse-Wei Chen,M. Ajmal Ali,Fahad M.A. Al-Hemaid,Mohamed Soliman Elshikh +8 more
TL;DR: The amperometric EP sensing method was successfully applied in human and rat blood serum, the recoveries were validated by HPLC method, indicating the reliability of the method in practical analysis.
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Microwave-assisted synthesis of europium(III) oxide decorated reduced graphene oxide nanocomposite for detection of chloramphenicol in food samples
Umamaheswari Rajaji,Shaktivel Manavalan,Shen-Ming Chen,Mani Govindasamy,Tse-Wei Chen,Thandavarayan Maiyalagan +5 more
TL;DR: In this article, an amperometric sensor for chloramphenicol (CAP) by using Eu2O3 nanoparticles decorated reduced graphene oxide (NPs@RGO) was presented.