Research Articles

      1.      Multi-walled carbon nanotubes encased in ruthenium oxide film as a hybrid material for neurotransmitters sensor, Chien-Chieh Ti, Yogeswaran Umasankar, Shen-Ming Chen, Electroanalysis, Vol. 21 (2009) pp. 1855-1861 (SCI)

      2.      Multi-walled carbon nanotubes with poly(NDGAChi) biocomposite film for the electrocatalysis of epinephrine and norepinephrine, Ying Li, Yogeswaran Umasankar, Shen-Ming Chen, Analytical Biochemistry, Vol. 388 (2009) pp. 288-295 (SCI)

      3.      Polyaniline and poly(flavin adenine dinucleotide) doped multi-walled carbon nanotubes for p-acetamidophenol sensor, Ying Li, Yogeswaran Umasankar, Shen-Ming Chen, Talanta, Vol. 79 (2009) pp. 486-492 (SCI)

      4.      Direct electrochemistry of catalase at multiwalled carbon nanotubes - nafion in presence of needle shaped DDAB for H₂O₂ sensor, Arun Prakash Periasamy, Yogeswaran Umasankar, Shen-Ming Chen, Talanta, Vol. 78 (2009) pp. 1414-1421 (SCI)

      5.      Haemoglobin immobilized on nafion modified multi-walled carbon nanotubes for O₂, H₂O₂ and CCl₃COOH sensors, Jan-Wei Shie, Yogeswaran Umasankar, Shen-Ming Chen, Talanta, Vol. 78 (2009) pp. 896-902 (SCI)

      6.      Simultaneous determination of adenine guanine and thymine at multi-walled carbon nanotubes incorporated with poly(new fuchsin) composite film, Ching Tang, Yogeswaran Umasankar, Shen-Ming Chen, Analytica Chimica Acta, Vol. 636 (2009) pp. 19-27 (SCI)

      7.      Mixed-valent ruthenium oxide and hexachloroiridate incorporated with platinum hybrid film for the electrocatalysis of arsenic oxide methanol and oxygen, Yogeswaran Umasankar, Shen-Ming Chen, Sheh-Hung Li, Electroanalysis, Vol. 20 (2008) pp. 2324-2332 (SCI)

      8.      Multi walled carbon nanotubes with poly (methylene blue) composite film for the enhancement and separation of electroanalytical responses of catecholamine and ascorbic acid, Yogeswaran Umasankar, Shen-Ming Chen, Sensors and Actuators B: Chemical, Vol. 130 (2008) pp. 739-749 (SCI)

      9.      Electroanalytical properties of cytochrome c by direct electrochemistry on multi-walled carbon nanotubes incorporated with DNA biocomposite film, Jan-Wei Shie, Yogeswaran Umasankar, Shen-Ming Chen, Talanta, Vol. 74 (2008) pp. 1659-1669 (SCI)

     10.     Pinecone shape hydroxypropyl-β-cyclodextrine on a film of multiwalled carbon nanotubes coated with gold particles for the simultaneous determination of tyrosine, guanine, adenine and thymine, Yogeswaran Umasankar, Soundappan Thiagarajan, Shen-Ming Chen, Carbon, Vol. 45 (2007) pp. 2783-2796 (SCI)

     11.     Electrocatalytic properties of electrodes which are functionalized with composite films of f-MWCNTs incorporated with poly(neutral red), Yogeswaran Umasankar, Shen-Ming Chen, Journal of The Electrochemical Society, Vol. 154 (2007) pp. E178-E186 (SCI); Published in Virtual Journal of Nanoscale Science and Technology, Vol. 16, No. 13 (2007)

     12.     Nanocomposite of functionalized multiwall carbon nanotubes with nafion, nano platinum, and nano gold biosensing film for simultaneous determination of ascorbic acid, epinephrine, and uric acid, Yogeswaran Umasankar, Soundappan Thiagarajan, Shen-Ming Chen, Analytical Biochemistry, Vol. 365 (2007) pp. 122-131 (SCI); 5^th place among top 25 hottest articles in the field of Biochemistry, Genetics and Molecular Biology, period: Apr-Jun 2007

     13.     Separation and concentration effect of f-MWCNTs on electrocatalytic responses of ascorbic acid, dopamine and uric acid at f-MWCNTs incorporated with poly (neutral red) composite and films, Yogeswaran Umasankar, Shen-Ming Chen, Electrochimica Acta, Vol. 52 (2007) pp. 5985-5996 (SCI)

     14.     Electrocatalytic activity of oxygen and hydrogen peroxide reduction at poly(iron tetra(o-aminophenyl) porphyrin) coated multi-walled carbon nanotube composite film, Yogeswaran Umasankar, Jan-Wei Shie, Shen-Ming Chen, Journal of The Electrochemical Society, Vol. xxx (2009) pp. xxx-xxx (SCI) (Accepted)

     15.     Poly(malachite green) at nafion doped multi-walled carbon nanotube composite film for simple aliphatic alcohols sensor, Yogeswaran Umasankar, Arun Prakash Periasamy, Shen-Ming Chen, Talanta, Vol. xxx (2009) pp. xxx-xxx (SCI) (Accepted)

     16.     Functionalized multi walled carbon nanotubes nano biocomposite film for the amperometric detection of L-cysteine, Soundappan Thiagarajan, Yogeswaran Umasankar, Shen-Ming Chen, Journal of Nanoscience and Nanotechnology, Vol. xxx (2010) pp. xxx-xxx (SCI) (Accepted)

Review Articles

     17.     Nanomaterials - acetylcholinesterase enzyme matrices for organophosphorus pesticides electrochemical sensors: A review, Arun Prakash Periasamy, Yogeswaran Umasankar, Shen-Ming Chen, Sensors, Vol. 9 (2009) pp. 4034-4055 (SCI); Special Issue: Tissue, cell and molecular bioelectrochemistry - new trends and approaches

     18.     A review on direct electrochemistry of catalase for electrochemical sensors, Arun Prakash Periasamy, Yogeswaran Umasankar, Shen-Ming Chen, Sensors, Vol. 9 (2009) pp. 1821-1844 (SCI); Special Issue: Nanotechnological advances in biosensors

     19.     Recent updates of DNA incorporated in carbon nanotubes and metal nanoparticles for electrochemical sensors and biosensors, Yogeswaran Umasankar, Soundappan Thiagarajan, Shen-Ming Chen, Sensors, Vol. 8 (2008) pp. 7191-7212 (SCI)

     20.     A review on the electrochemical sensors and biosensors composed of nanowires as sensing material, Yogeswaran Umasankar, Shen-Ming Chen, Sensors, Vol. 8 (2008) pp. 290-313 (SCI); Special Issue: Utilizing of electrochemical sensors and biosensors in biochemistry and molecular biology

     21.     Recent trends in the application of carbon nanotubes - polymer composite modified electrodes for biosensors: A review, Yogeswaran Umasankar, Shen-Ming Chen, Analytical Letters, Vol. 41 (2008) pp. 210-243 (SCI); Special Issue: Emerging bioanalytical platforms using nanomaterials

Book Chapters

     22.     Acetylcholinesterase - nanomaterials hybrid sensors for the detection of organophosphorous and carbamate pesticides in “Nanostructured materials for electrochemical biosensors”, Arun Prakash Periasamy, Yogeswaran Umasankar, Shen-Ming Chen, ISBN: 978-1-60741-706-4, Nova Science Publishers, New York, USA, 2009; Series: Nanotechnology Science and Technology

     23.     Catalase immobilized on nanohybrid materials for electrochemical hydrogen peroxide sensors: A review in “Biosensors: properties, materials and applications”, Arun Prakash Periasamy, Yogeswaran Umasankar, Shen-Ming Chen, ISBN: 978-1-60741-617-3, Nova Science Publishers, New York, USA, 2009; Series: Biotechnology in Agriculture, Industry and Medicine

Books

     24.     Nanostructured materials for electrochemical biosensors, Yogeswaran Umasankar, S. Ashok Kumar, Shen-Ming Chen, – (Eds), ISBN: 978-1-60741-706-4, Nova Science Publishers, New York, USA, 2009; Series: Nanotechnology Science and Technology

Conference Presentations

     25.     Application of nanostructured materials for the design and development of biosensors, Shen-Ming Chen, Yogeswaran Umasankar, Soundappan Thiagarajan, S. Ashok Kumar, 2009 Villa Conference on Interactions Among Nanostructures, Sep 6-11 2009, Ritz Carlton - St. Thomas, U.S. Virgin Islands

     26.     Fabrication and electrochemical characterization of nanostructured materials based electrochemical sensors, Shen-Ming Chen, S. Ashok Kumar, Yogeswaran Umasankar, International Symposium on Nanoelectrochemistry and Spectroelectrochemistry, Aug 23-26 2009, Xiamen University, China

     27.     Nanostructured materials and polymer based electrochemical sensors for the detection of biomolecules, Shen-Ming Chen, P. Arun Prakash, Yogeswaran Umasankar, Soundappan Thiagarajan, A. Balamurugan, 14^th Conference on Biochemical Engineering, Jun 5-6 2009, National Chung Hsing University, Taiwan

     28.     Nanocomposite materials for neurotransmitters and nucleotide bases sensors, Shen-Ming Chen, Yogeswaran Umasankar, Soundappan Thiagarajan, First International Conference on Nanostructured Materials and Nanocomposites (ICNM-2009), Apr 6-8 2009, The Windsor Castle, Kottayam, India; Proceeding of ICNM-2009, pp.286-292, ISBN: 978-81-906027-5-4, Applied Science Innovations Private Limited, India, 2009

     29.     Multi-walled carbon nanotubes with poly(methylene blue) composite film for the enhancement and separation of electroanalytical responses of cathecholamine and ascorbic acid, Yogeswaran Umasankar, Shen-Ming Chen, 2008 Annual Meeting Chemical Society Located in Taipei, Dec 5-7 2008, National Changhua University of Education, Taiwan

     30.     Direct electrochemistry of  cytochrome c on multi-walled carbon nanotubes incorporated with DNA biocomposite film and its electroanalytical properties determination, Jan-Wei Shie, Yogeswaran Umasankar, Arun Prakash Periasamy, Shen-Ming Chen, 2008 Annual Meeting Chemical Society Located in Taipei, Dec 5-7 2008, National Changhua University of Education, Taiwan

     31.     Electroanalytical responses of arsenic oxide, methanol and oxygen at the ruthenium oxide - hexachloroiridate with platinum hybrid film, Yogeswaran Umasankar, Sheh-Hung Li, Yu-Jung Chang, Shen-Ming Chen, 2008 Annual Meeting Chemical Society Located in Taipei, Dec 5-7 2008, National Changhua University of Education, Taiwan

     32.     Hemoproteins modified composite electrodes and their electrocatalytic properties, Shen-Ming Chen, Yogeswaran Umasankar, S. Ashok Kumar, First Regional Symposium on Bioelectrochemistry, Oct 13-15 2008, University of Tehran, Iran

     33.     MWCNTs and metal nanoparticles with nafion and HPβCD composites for the simultaneous determination of neurotransmitters with ascorbic acid and nucleotide bases, Yogeswaran Umasankar, Soundappan Thiagarajan, Shen-Ming Chen, 59^th Annual Meeting of the International Society of Electrochemistry, Sep 7-12 2008, Seville, Spain

     34.     Separation and concentration effect of f-MWCNTs on electrocatalytic responses of ascorbic acid, dopamine and uric acid at f-MWCNTs incorporated with poly (neutral red) composite films, Yogeswaran Umasankar, Shen-Ming Chen, Annual Chinese Chemical Society and ICCT 2007 Joint Conference, Dec 14-16 2007, National Tsing Hua University, Taiwan

     35.     Nanocomposite of functionalized multiwall carbon nanotubes with nafion, nano platinum, and nano gold biosensing film for simultaneous determination of ascorbic acid, epinephrine and uric acid, Yogeswaran Umasankar, Soundappan Thiagarajan, Shen-Ming Chen, Annual Chinese Chemical Society and ICCT 2007 Joint Conference, Dec 14-16 2007, National Tsing Hua University, Taiwan

     36.     Pinecone shape hydroxypropyl-β-cyclodextrine on a film of multiwalled carbon nanotubes coated with gold particles for the simultaneous determination of tyrosine, guanine, adenine and thymine, Yogeswaran Umasankar, Soundappan Thiagarajan, Tsung-Hsuan Tsai, Shen-Ming Chen, Annual Chinese Chemical Society and ICCT 2007 Joint Conference, Dec 14-16 2007, National Tsing Hua University, Taiwan

     37.     Nafion coated multiwall carbon nanotubes with bimetallic nano particles modified electrode for the simultaneous determination of ascorbic acid, epinephrine and uric acid, Yogeswaran Umasankar, Soundappan Thiagarajan, Shen-Ming Chen, International Conference on Advanced Materials and Applications (ICAMA-2007), Nov 15-17 2007, Shivaji University, Kolhapur, India

     38.     The electrocatalytic properties of electrodes functionalized with PNR films and f-MWCNTs incorporated PNR composite films, Shen-Ming Chen, Yogeswaran Umasankar, Kuo-Chiang Lin, 58^th Annual Meeting of the International Society of Electrochemistry, Sep 9-14 2007, The Banff center, Banff, Canada

     39.     Simultaneous determination of ascorbic acid and dopamine in the presence of uric acid on ruthenium oxide modified electrode, Piraman Shakkthivel, Yogeswaran Umasankar, Shen-Ming Chen, Annual Chinese Chemical Society and ICCT 2006 Joint Conference, Nov 24-26 2006, Tamkang University, Taiwan

     40.     Preparation and characterization of a conducting polymer-carbon nanotube composite, Yogeswaran Umasankar, Ramiah Saraswathi, Shen-Ming Chen, Seminar for post doctorial fellows, PhDs and visiting professors in research education and training between Taiwan and India, Aug 2005, National Taipei University of Science and Technology, Taipei, Taiwan

     41.     Anodizing of titanium alloys using alkaline solution, S. Sreenivasan, Yogeswaran Umasankar, S.V. Suresh, M. Dhandaphani, Materials Research Society of India (MRSI), 14^th Annual General Meeting and Theme Symposium: Novel Polymeric Materials, Feb 11-13 2003, Bhabha Atomic Research Center (BARC), Mumbai, India