2011-2020 | homepage

Papers Published in 2011-2020

(click on paper title for abstract)

167. Fabrication of electrically conducting graphitic carbon nitride film on glassy carbon electrode with the aid of amine groups for the determination of an organic pollutant

V. Mangala Gowri and S.A. John

Journal of Electroanalytical Chemistry 879 (2020) 114787

166. Fabrication of low-cost sustainable electrocatalyst: a diagnostic tool for multifunctional disorders in human

fluids

B. Sinduja, N.S.K. Gowthaman, and S.A. John

Journal of Materials Chemistry B 8 (2020) 9502.

165. Bioengineered graphene oxide microcomposites containing metabolically versatile paracoccus sp. MKU1 for

enhanced catechol degradation

M.K. Aravind, Jincymol K, P. Varalakshmi, S.A. John and B. Ashokkumar

ACS Omega 5 (2020) 16752.

164. Tunable electrochemical synthesis of 3D nucleated microparticles like Cu-BTC MOF-carbon nanotubes composite:

Enzyme free ultrasensitive determination of glucose in a complex biological fluid

P. Arul, N.S.K. Gowthaman, S.A. John and M. Tominaga

Electrochimica Acta 354 (2020) 136673.

163. Ultrasonic assisted synthesis of size-controlled Cu-metal–organic framework decorated graphene oxide

composite: Sustainable electrocatalyst for the trace-level determination of nitrite in environmental water samples

P. Arul, N.S.K. Gowthaman, S.A. John and H.N. Lim

ACS Omega 24 (2020) 14253.

162. Hydroxyl rich graphene quantum dots for the determination of Hg(II) in the presence large concentration of major

interferents and in living cells

Jincymol K., M.K. Aravind, P. Varalakshmi, B. Ashokkumar and S.A. John

Microchemical Journal 157 (2020) 104915.

161. Covalent organic frame work film as an effective electrocatalyst for the simultaneous determination of

dihydroxybenzene isomers in water samples

P. Arul, E. Narayanamoorthi and S.A. John

Sensors and Actuators B 313 (2020) 128033.

160. Negative potential induced growth of surfactant-free CuO nanostructures on Al-C substrate: A dual in-line sensor

for biomarkers of diabetes and oxidative stress

N.S.K. Gowthaman, P. Arul, H.N. Lim and S.A. John

ACS Sustainable Chemistry & Engineering 8 (2020) 2651.

159. Selective receptor for Fe(III) ion with a fluorescence-ON pyrene motif in semi-aqueous solution

B. Kirthika Rani and S.A. John

Journal of Photochemistry & Photobiology A 392 (2020) 112426.

158. Study on the interactions between graphene quantum dots and Hg(II): Unraveling the origin of photoluminescence

quenching of graphene quantum dots by Hg(II)

Jincymol K., S. Ponkarpagam and S.A. John

Colloids and Surfaces A 591 (2020) 124551.

157. Leaching of AuNPs from the surface of GO: Sensitive turn on fluorescence detection of toxic preservative

C. Loganathan, E. Narayanamoorthi and S.A. John

Food Chemistry 309 (2020) 125751.

156. Free-standing Au-Ag nanoparticles on carbon cloth: A non-enzymatic flexible electrochemical sensor for the

biomarker of oxidative stress

N.S.K. Gowthaman, P. Arul, J.J. Shim and S.A. John

Applied Surface Science 495 (2019) 143550.

155. Hetero atoms doped carbon dots modified electrodes for the sensitive and selective determination of phenolic

anti-oxidant in coconut oil

R. Karthikeyan, D. James Nelson, Ajay Ajith and S.A. John

Journal of Electroanalytical Chemistry 848 (2019) 113297.

154. Non-enzymatic determination of purine nucleotides using a carbon dot modified glassy carbon electrode

R. Karthikeyan, D. James Nelson and S.A. John

Analytical Methods 11 (2019) 3866.

153. Organic solvent free in situ growth of flower like Co-ZIF microstructures on nickel foam for glucose sensing and

supercapacitor applications

P. Arul and S.A. John

Electrochimica Acta 306 (2019) 254.

152. Carbon dots stabilized silver–lipid nano hybrids for sensitive label free DNA detection

K.P. Divya, R. Karthikeyan, B. Sinduja, AA. Grace, S.A. John, J.H. Hahn, V. Dharuman

Biosensors and Bioelectronics 133 (2019) 48.

151. Water-soluble MoS2 quantum dots as effective fluorescence probe for the determination of bilirubin in human

fluids

K. Shanmugaraj and S.A. John

Spectrochimica Acta A 215 (2019) 290.

150. Silver nanoparticles capped with carbon dots as a fluorescent probe for the highly sensitive “off–on” sensing of

sulfide ions in water

B. Sinduja and S.A. John

Analytical and Bioanalytical Chemistry, 411 (2019) 2597.

149. Highly selective naked eye detection of vitamin B1 in the presence of other vitamins using graphene quantum

dots capped gold nanoparticles

B. Sinduja and S.A. John

New Journal of Chemistry, 43 (2019) 2111.

148. Real time detection of adenosine and theophylline in urine and blood samples using graphene modified electrode

S. Kesavan, N.S.K. Gowthaman, S. Alwarappan and S.A. John

Sensors and Actuators B: Chemical, 278 (2019) 46.

147. Ultrasensitive and selective hydrazine determination in water samples using Ag-Cu heterostructures grown

indium tin oxide electrode by environmentally benign methods

N.S.K. Gowthaman, S. Shankar and S.A. John

ACS Sustainable Chemistry & Engineering 6 (2018) 17302.

146. Size controlled synthesis of Ni-MOF using polyvinylpyrrolidone: New electrode material for the trace level

determination of nitrobenzene

P. Arul and S.A. John

Journal of Electroanalytical Chemistry 829 (2018) 168.

145. Nitrogen-Doped Graphene Quantum Dot-Combined Sodium 10-Amino-2-methoxyundecanoate: Studies of

Proinflammatory Gene Expression and Live Cell Imaging

R.S. Kumar, G. Shakambari, B. Ashokkumar, D.J. Nelson, S.A. John and P. Varalakshmi

ACS Omega, 3 (2018) 11982

144. Synthesis of albumin capped gold nanoparticles and their direct attachment on glassy carbon electrode for the

determination of nitrite ion

S. Shankar, N.S.K. Gowthaman and S.A. John

Journal of Electroanalytical Chemistry 828 (2018) 33.

143. Displacement reduction routed Au-Pt bimetallic nanoparticles: A highly durable electrocatalyst for methanol

oxidation and oxygen reduction

N.S.K. Gowthaman, B. Sinduja, S. Shankar and S.A. John

RSC Sustainable Energy & Fuels 2 (2018) 1588.

142. Inner filter effect based selective detection of picric acid in aqueous solution using green luminescent copper

nanoclusters

K. Shanmugaraj and S.A. John

New Journal of Chemistry 42 (2018) 7223.

141. Selective and sensitive determination of antidote of heparin using Ag-GQDs by optical methods

B. Sinduja, N.S.K. Gowthaman and S.A. John

Analytical Methods 10 (2018) 1999.

140. Substrate catalyzed formation of Au-Cu bimetallic nanoparticles as electrocatalyst for the reduction of dioxygen

and hydrogen peroxide

N.S.K. Gowthaman, S. Shankar and S.A. John

Journal of Electroanalytical Chemistry 812 (2018) 37.

139. Sensitive determination of rutin by spectrofluorimetry using carbon dots synthesized from a non-essential amino

acid

B. Sinduja and S.A. John

Spectrochimica Acta A 193 (2018) 486.

138. Fluorogenic mercury ion sensor based on pyrene-amino mercapto thiadiazole unit

B. Kirthika Rani and S.A. John

Journal of Hazardous Materials 343 (2018) 98.

137. Pyrene-antipyrine based highly selective and sensitive turn-on fluorescent sensor for Th(IV)

B. Kirthika Rani and S.A. John

New Journal of Chemistry 41 (2017) 12131.

136. Simultaneous growth of spherical, bipyramidal and wire-like gold nanostructures in solid and solution phases:

SERS and electrocatalytic applications

N.S.K. Gowthaman and S.A. John

CrystEngComm 19 (2017) 5369.

135. Electrodeposition of CuO from Cu-MOF on glassy carbon electrode: A non-enzymatic sensor for glucose

P. Arul and S.A. John

Journal of Electroanalytical Chemistry 799 (2017) 61.

134. Fast growth of Au-Pt bimetallic nanoparticles on SWCNTs: Composition dependent electrocatalytic activity

towards glucose and hydrogen peroxide

N.S.K. Gowthaman, S.A. John and M. Tominaga

Journal of Electroanalytical Chemistry 798 (2017) 24.

133. Silver nanoparticles built-in zinc metal organic framework modified electrode for the selective non-enzymatic

determination of H2O2

P. Arul and S.A. John

Electrochimica Acta 235 (2017) 680.

132. Ultrasensitive optical sensor for hydrogen peroxide using silver nanoparticles synthesized at room temperature

by GQDs

B. Sinduja and S.A. John

Sensors and Actuators B: Chemical 247 (2017) 648.

131. Fabrication of nitrogen-doped carbon dots for screening the purine metabolic disorder in human fluids

N.S.K. Gowthaman, B. Sinduja, R. Karthikeyan, K. Rubini and S.A. John

Biosensors and Bioelectronics 94 (2017) 30.

130. Nitrogen-doped graphene as a robust scaffold for the homogenous deposition of copper nanostructures: A non-

enzymatic disposable glucose sensor

N.S.K. Gowthaman, M. Amal Raj and S.A. John

ACS Sustainable Chemistry & Engineering 5 (2017) 1648.

129. Naked eye and spectrophotometric detection of chromogenic insecticide in aquaculture using amine

functionalized gold nanoparticles in the presence of major interferents

C. Loganathan and S.A. John

Spectrochimica Acta A 173 (2017) 837.

128. Non-enzymatic electrochemical sensing platform based on metal complex immobilized carbon nanotubes for

glucose determination

P.K. Sonkar, V. Ganesan, S.A. John, D.K. Yadava and R. Guptaa

RSC Advances 6 (2016) 107094.

127. Fabrication of different copper nanostructures on indium-tin-oxide electrode: Shape dependent electrocatalytic

activity

N.S.K. Gowthaman and S.A. John

CrystEngComm 18 (2016) 8696.

126. Tuning the composition of gold–silver bimetallic nanoparticles for the electrochemical reduction of hydrogen

peroxide and nitrobenzene

N.S.K. Gowthaman, B. Sinduja and S.A. John

RSC Advances 6 (2016) 63433.

125. Novel approach to fabricate stable graphene layers on electrode surfaces using simultaneous electroreduction of

diazonium cations and graphene oxide

S. Kesavan and S.A. John

RSC Advances 6 (2016) 62876.

124. Sensitive determination of tannic acid using blue luminescent graphene quantum dots as fluorophore

B. Sinduja and S.A. John

RSC Advances 6 (2016) 59900.

123. Highly sensitive interference-free electrochemical determination of pyridoxine at graphene modified electrode:

Importance in Parkinson and Asthma treatments

M. Amal Raj, N.S.K. Gowthaman and S.A. John

J. Colloid and Interface Science 476 (2016) 171.

122. A novel pyrene based fluorescent probe for selective detection of cysteine in presence of other bio-thiols in living

cells

B. Kirthika Rani and S.A. John

Biosensors and Bioelectronics 83 (2016) 237.

121. Monitoring isoniazid level in human fluids in the presence of theophylline using gold@platinum core@shell

nanoparticles modified glassy carbon electrode

N.S.K. Gowthaman, S. Kesavan and S.A. John

Sensors and Actuators B: Chemical 230 (2016) 157.

120. Formation of ERGO on melamine electrografted layers and its application towards the determination of

methylxanthines

S. Kesavan, M. Amal Raj and S.A. John

Anal. Biochem. 496 (2016) 14.

119. Stable determination of paracetamol in the presence of uric acid in human urine sample using melamine grafted

graphene modified electrode

S. Kesavan and S.A. John

J. Electroanal. Chem. 760 (2016) 6.

118. Electroless deposition of gold-platinum core@shell nanoparticles on glassy carbon electrode for non-enzymatic

hydrogen peroxide sensing

N.S.K. Gowthaman and S.A. John

Journal of Chemical Sciences 128 (2016) 331.

117. 4-amino-6-hydroxy-2-mercaptopyrimidine capped gold nanoparticles as fluorophore for the ultrasensitive and

selective determination of L-cysteine

S. Shankar and S.A. John

Sensors and Actuators B: Chemical 221 (2015) 1202.

116. Sensitive and highly selective determination of vitamin B1 in the presence of other vitamin B complexes using

functionalized gold nanoparticles as fluorophore

S. Shankar and S.A. John

RSC Advances 5 (2015) 49920.

115. Functionalized multiwalled carbon nanotubes-nanostructured conducting polymer composite modified electrode

for the sensitive determination of uricase inhibitor

K. Rajalakshmi and S.A. John

Electrochimica Acta 173 (2015) 506.

114. Modification of a glassy carbon electrode with gold–platinum core–shell nanoparticles by electroless deposition

and their electrocatalytic activity

N.S.K. Gowthaman and S.A. John

RSC Advances 5 (2015) 42369.

113. Highly sensitive determination of nitrite using FMWCNT-conducting polymer composite modified electrode

K. Rajalakshmi and S.A. John

Sensors and Actuators B: Chemical 215 (2015) 119.

112. Selective determination of mefenamic acid in the presence of 1000-fold excess paracetamol and caffeine using a

multiwalled carbon nanotube–polymer composite electrode

K. Rajalakshmi and S.A. John

Analytical Methods, 7 (2015) 3506.

111. Chemical attachment of functionalized multiwalled carbon nanotubes on glassy carbon electrode for

electrocatalytic application

K. Rajalakshmi and S.A. John

Electrochimica Acta 165 (2015) 268.

110. Assembly of gold nanoparticles on graphene film via electroless deposition: Spontaneous reduction of Au3+ ions

by graphene film

M. Amal Raj and S.A. John

RSC Advances 5 (2015) 4964.

109. Graphene and their nanocomposite materials based electrochemical sensor platform for dopamine

A. Pandikumar,* G.T.S. How, T.P. See, F.S. Omar, S. Jayabal, K.Z. Kamali, N.Yusoff, A. Jamil, R. Ramaraj, S.A. John,

H.N. Limbe and N.M. Huang*

RSC Advances 4 (2014) 63296.

108. Sensitive and selective determination of l-tryptophan at physiological pH using functionalized multiwalled carbon

nan otubes-nanostructured conducting polymer composite modified electrode

K. Rajalakshmi and S.A. John

J. Electroanal. Chem. 734 (2014) 31.

107. Simultaneous determination of neurotransmitters and neuroprotector in human blood serum and urine samples

using diazonium grafted gold nanoparticles film electrode

S. Kesavan and S.A. John

Analytical Methods 6 (2014) 9022.

106. Fabrication of aminotriazole grafted gold nanoparticles films on glassy carbon electrode and its application

towards the simultaneous determination of theophylline and uric acid

S. Kesavan and S.A. John

Sensors and Actuators B: Chemical, 215 (2014) 352.

105. Economically viable sensitive and selective luminescent sensor for the determination of Au(III) in environmental

samples

N. Vasimalai, K. Rajalakshmi and S.A. John

RSC Adv., 4 (2014) 38812.

104. Formation of heteroaromatic diazonium grafted layers on gold nanoparticles and their electrocatalytic activity

towards an importantpurine derivative

S. Kesavan, A. Prabhakaran and S.A. John

RSC Advances 4 (2014) 30896.

103. Fast growth of gold nanorods on solid substrate using electrochemically deposited gold seeds

M. Amal Raj and S.A. John

Electrochemistry Communications 45 (2014) 27.

102. Synergistic effect of gold nanoparticles and amine functionalized cobalt porphyrin on electrochemical oxidation

of hydrazine

P. Muthukumar and S.A. John

New Journal of Chemistry 38 (2014) 3473.

101. Efficient oxidation of hydrazine using amine functionalized cobalt and nickel porphyrin modified electrodes

P. Muthukumar and S.A. John

J. Solid State Electrochemistry 18 (2014) 2393.

100. Spontaneous grafting: A novel approach to graft diazonium cations on gold nanoparticles in aqueous medium

and their s lf-assembly on electrodes

S. Kesavan and S.A. John

J. Colloid and Interface Science 428 (2014) 84.

99. Gold nanoparticles decorated on cobalt porphyrin modified glassy carbon electrode for the sensitive

determination of nitrite ion

P. Muthukumar and S.A. John

J. Colloid and Interface Science 421 (2014) 78.

98. Graphene layers modified glassy carbon electrode for the determination of norepinephrine and theophylline

in pharmaceutical formulations

M. Amal Raj and S.A. John

Analytical Methods 6 (2014) 2181.

97. Potentiodynamic formation of gold nanoparticles film on glassy carbon electrode using aminophenyl diazonium

cations grafted gold nanoparticles: Determination of histamine H2 receptor antagonist

S. Kesavan and S.A. John

Electrochimica Acta 119 (2014) 214.

96. Electrochemical determination of xanthine oxidase inhibitor drug in urate lowering therapy using graphene

nanosheets modified electrode

M. Amal Raj and S.A. John

Electrochimica Acta 117 (2014) 360.

95. Self-assembled monolayer of 2,9,16,23-tetrahydroxythiophenyl-phthalocyanatocobalt(II) on gold electrode and

its electrocatalytic activity towards dioxygen reduction

A. John Jeevagan, S.A. John

Journal of Electroanalytical Chemistry 713 (2014) 214.

94. Effect of amine substituted at ortho and para positions on the electrochemical and electrocatalytic properties of

cobalt porphyrins self-assembled on glassy carbon surface

Muthukumar and S.A. John

Electrochimica Acta 115 (2014) 197.

93. Off-on and on-off chemosensors for ultratrace mercury(II) and copper(II) using functionalized thiazole and

cadmium sulfide nanoparticles fluorophores

N. Vasimalai and S.A. John

Sensors and Actuators B: Chemical 190 (2014) 800

92. A turn-on highly selective and ultrasensitive determination of copper(II) in aqueous medium using folic acid

capped gold nanoparticles as probe

N. Vasimalai and S.A. John

Nanotechnology 24 (2013) 505503.

91. Aggregation and de-aggregation of gold nanoparticles induced by polyionic drugs: Spectrofluorimetric

determination of picogram protamine and heparin drugs in the presence of 1000-fold major interferences

N. Vasimalai and S.A. John

Journal of Materials Chemistry B 1 (2013) 5620.

90. Electrochemical marker for metastatic malignant melanoma based on the determination of L-dopa/L-tyrosine ratio

S.B. Revin and S.A. John

Sensors and Actuators B: Chemical 188 (2013) 1026.

89. Fabrication of electrochemically reduced graphene oxide films on glassy carbon electrode by self-assembly

method and their electrocatalytic application

M. Amal Raj and S.A. John

J. Phys. Chem. C 117 (2013) 4326 (Impact Factor: 4.805).

88. Protein protected gold nanoparticles as fluorophore for the highly selective and ultrasensitive determination of

bisphenol A in plastic samples

N. Vasimalai and S.A. John

Analytical Methods, 5 (2013) 5515.

87. Simultaneous determination of uric acid, xanthine, hypoxanthine and caffeine in human blood serum and urine

samples using electrochemically reduced graphene oxide modified electrode

M. Amal Raj and S.A. John

Analytica Chimica Acta 771 (2013) 14.

86. Biopolymer capped silver nanoparticles as fluorophore for ultrasensitive and selective determination of

malathion

N. Vasimalai and S.A. John

Talanta 115 (2013) 24 (Impact Factor: 3.794).

85. Micromolar Hg(II) induced the morphology of gold nanoparticles: A novel luminescent sensor for femtomolar

Hg(II) using triazole capped gold nanoparticles fluorophore

N. Vasimalai and S.A. John

Journal of Materials Chemistry A, 1 (2013) 4475.

84. Electrochemical determination of guanosine 5'-monophosphate using the electropolymerized film of non-

peripheral amine substituted nickel(II) phthalocyanine modified electrode

A. John Jeevagan and S.A. John

Electrochimica Acta 95 (2013) 246.

83. Synthesis of non-peripheral amine substituted nickel(II) phthalocyanine capped gold nanoparticles and their

immobilization on electrode for the electrocatalytic oxidation of hydrazine

A. John Jeevagan and S.A. John

RSC Advances 3 (2013) 2256-2264.

82. Growth of gold nanorods in solution and on ITO and Au substrates using non-peripheral amine functionalized

nickel(II) phthalocyanine

A. John Jeevagan, M. Amal Raj and S.A. John

RSC Advances 3 (2013) 870-878.

81. Picomolar melamine enhanced the fluorescence of gold nanoparticles: Spectrofluorimetric determination of

melamine in milk and infant formulas using functionalized triazole capped gold nanoparticles

N. Vasimalai and S.A. John

Biosensors and Bioelectronics, 42 (2013) 267-272.

80. Synthesis, characterization and modification of functionalized pyrimidine stabilized gold nanoparticles on ITO

electrode for the determination of tannic acid

M. Amal Raj, S.B. Revin and S.A. John

Bioelectrochemistry 89 (2013) 1.

79. Fabrication of optochemical and electrochemical sensors using thin films of porphyrin and phthalocyanine

derivatives

Palanisamy Kalimuthu, A. Sivanesan and S.A. John

J. Chem. Sci. 124 (2012) 1315.

78. Optochemical ammonia gas sensing properties of meso-substituted porphyrin derivatives immobilized Nafion

film on glass slide

P. Muthukumar and S.A. John

Sensors and Actuators B: Chemical, 174 (2012) 74.

77. Fabrication, characterization and application of grafting based gold nanoparticles electrode for the selective

determination of important neurotransmitter

S. Kesavan, S.B. Revin and S.A. John

J. Mater. Chem. 22 (2012) 17560.

76. Mercaptothiadiazole capped gold nanoparticles as fluorophore for the determination of nanomolar mercury (II) in

aqueous solution in the presence of 50,000-fold major interferents

N. Vasimalai and S.A. John

Analyst 137 (2012) 3349.

75. Electrochemical determination of caffeine in the presence of paracetamol using a self-assembled monolayer of

non-peripheral amine substituted copper(II) phthalocyanine

A. John Jeevagan and S.A. John

Electrochim. Acta 77 (2012) 137.

74. Highly sensitive determination of uric acid in the presence of major interferents using a conducting polymer film

modified electrode

S.B. Revin and S.A. John

Bioelectrochemistry 88 (2012) 22.

73. Electrochemical sensor for neurotransmitters at physiological pH using a heterocyclic conducting polymer

modified electrode

S.B. Revin and S.A. John

Analyst 137 (2012) 209.

72. Electrochemical sensor for guanine using a self-assembled monolayer of 1,8,15,22-tetraaminophthalocyanato-

nickel(II) on glassy carbon electrode

A. John Jeevagan and S.A. John

Analytical Biochemistry, 424 (2012) 21.

71. Ultrasensitive fluorescence-quenched chemosensor for Hg(II) in aqueous solution based on mercaptothiadiazole

capped silver nanoparticles

N. Vasimalai and S.A. John

Journal of Hazardous Materials, 213-214 (2012) 193.

70. Selective determination of inosine in the presence of uric acid and hypoxanthine using modified electrode

S.B. Revin and S.A. John

Analytical Biochemistry 421 (2012) 278.

69. Simultaneous determination of vitamins B2, B9 and C using a heterocyclic conducting polymer modified

electrode

S.B. Revin and S.A. John

Electrochim. Acta 75 (2012) 35.

68. Selective and sensitive electrochemical sensor for L-methionine at physiological pH using functionalized triazole

polymer film modified electrode

S.B. Revin and S.A. John

Electroanalysis 24 (2012) 1277.

67. Selective determination of tyrosine in the presence of ascorbic and uric acids at physiological pH using

the electropolymerized film of 3-amino-5-mercapto-1,2,4-triazole

S.B. Revin and S.A. John

Sensors and Actuators B: Chemical 161 (2012) 1059.

66. Electrochemical determination of L-methionine using the electropolymerized film of non-peripheral amine

substituted Cu(II) phthalocyanine on glassy carbon electrode

A. John Jeevagan and S.A. John

Bioelectrochemistry 85 (2012) 50.

65. Simultaneous determination of two important dopamine metabolites at physiological pH by voltammetry

S.B. Revin and S.A. John

Analytical Methods, 4 (2012) 348.

64. Ultrasensitive determination of cysteine using gold-5-amino-2-mercapto-1,3,4-thiadiazole core-shell nanoparticles

film modified electrode

P. Kannan and S.A. John

Biosensors and Bioelectronics 30 (2011) 276.

63. Electropolymerization of 3-amino-5-mercapto-1,2,4-triazole on glassy carbon electrode and its electrocatalytic

activity towards uric acid

S.B.Revin and S.A. John

Electrochim. Acta 56 (2011) 8934.

62. Spectrofluorimetric determination of picogram level Pb(II) using a dimercaptothiadiazole fluorophore

N. Vasimalai and S.A. John

Spectrochim. Acta Part A 82 (2011) 153.

61. Fabrication of conducting polymer-gold nanoparticles film on electrodes using monolayer protected gold

nanoparticles and its electrocatalytic application

P. Kannan and S.A. John

Electrochim. Acta 56 (2011) 7029.

60. Selective determination of 3,4-dihydroxyphenylacetic acid in the presence of ascorbic acid using 4-

(dimethylamino)pyridine capped gold nanoparticles immobilized on gold electrode

M. Amal Raj, B. Revin and S.A. John

Colloids and Surfaces B: Biointerfaces 87 (2011) 353.

59. Highly sensitive detection of HCl gas using a thin film of meso-tetra(4-pyridyl) porphyrin coated glass slide by

optochemical method

P. Muthukumar and S.A. John

Sensors and Actuators B: Chemical 159 (2011) 238.

58. Ultrasensitive and selective spectrofluorimetric determination of Hg(II) using a dimercaptothiadiazole fluorophore N. Vasimalai and S.A. John

J. Luminescence 131 (2011) 2636.

57. Synthesis, characterization and electrocatalytic activity of fused gold nanoparticles

P. Kannan and S.A. John

J. Nanosci. Nanotech. 11 (2011) 2142.

56. Selective determination of norepinephrine in the presence of ascorbic and uric acids using an ultrathin film

modified electrode

Palraj Kalimuthu and S.A. John

Electrochim. Acta 56 (2011) 2428.

55. Selective determination of 3,4-dihydroxyphenylacetic acid in the presence of ascorbic and uric acids using

polymer film modified electrode

Palraj Kalimuthu and S.A. John

J. Chem. Sci. 143 (2011) 349.

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