Project Research

RESUME

Name: Raman Subramanian

Present contact address:

*** *.******** ******

#26

Fayetteville

Arkansas 72701

Phone: 479-***-****

Permanent contact address:

A/5 Saubhagya

Chedda Nagar, Chembur

Bombay-400089

India

Phone: +91-22-252*****

E-Mail: abi7gn@r.postjobfree.com, abi7gn@r.postjobfree.com

Date of birth: 24th May 1971

Nationality: Indian

Marital status: Single

Education:

PhD (Chemistry) Raman Research Institute,

Bangalore, India (2000).

M.Sc (Physical Chemistry) University of Bombay, India (1993).

(Grade: 1st Class)

B.Sc (Chemistry major) Parle College, University of Bombay,

India (1991).

(With physics and mathematics) (Grade: 1st

Class)

PhD dissertation title:

Study of adsorption of alkanethiols and azoles onto some electrode

surfaces.

Employment:

Research Fellow: Department of Chemistry and Biochemistry, University of

Arkansas, Fayetteville, Arkanasas, USA (November 2009 - present)

Research Fellow: National Centre for Sensor Research, Dublin City

University, Ireland (Sep 2008 - October 2009)

Principal Research Scientist: Crospon Ltd., Galway, Ireland (Feb 2007 - Feb

2008)

Research associate: Nanotechnology and Integrated Bio Engineering Center,

University of Ulster, U.K (Dec 2004 - Nov 2006)

Post doc: Center for Green Manufacturing, University of Alabama,

Tuscaloosa, USA (Aug 2002 - Aug 2003)

Post doc: Queens University Ionic Liquid Laboratory, Queens University,

Belfast, U.K (Jun 2001 - June 2002)

Post doc: Liquid Crystal Laboratory, Raman Research Institute, Bangalore,

India (June 2000 - May 2001)

Scientific projects undertaken:

. Project: [Development of a vacuum system for chemical vapour

deposition process to produce thin films of zirconia for use as

thermal barrier coatings] (August 1993 - May 1994) (Department of

Metallurgy and Materials Science, Indian Institute of Technology [IIT]

Powai, Bombay)

Posters and Presentations:

1. Participated in the workshop "Recent trends in Analytical Chemistry"

held at Kuvempu University, Shimoga, Karnataka, India February 1997.

2. Participated and gave a talk on "Investigation of copper corrosion in

alkaline media and the effect of azoles as corrosion inhibitors" in "The

National Conference on Electrochemical Science and Technology" held in

July 1997 at the Indian Institute of Science, Bangalore, India.

3. Participated in the Advanced School and Discussion meeting on "Liquid

Crystals and other Soft Materials", held at Raman Research Institute,

Bangalore, India between 20th to 31st December 1998.

4. Participated and presented a poster "Effect of surface roughness on the

self assembly of alkanethiol monolayers on copper, silver and gold" at

"The 5th International Conference of Materials Research Societies -

International Conference in Asia (IUMRS-ICA 98)" held at the Indian

Institute of Science, Bangalore, India on October 1998.

5. Participated and presented a poster "Study of adsorption kinetics of

alkanethiols on Au (111) surface" at the International Symposium on

"Small scales in space and time" held at the National Chemical

Laboratory, Pune, India on November 3-5 1999.

6. Poster on "Investigation of the properties of Poly (ethylene glycol)

Hydrogels Doped with Ionic Liquids." Klingshirn, M. A.; Subramanian,

R.; Spear, S. K.; Huddleston, J. G.; Holbrey, J. D.; Rogers, R. D 12th

International Conference on Biopartitioning and Purification (2003),

Vancouver, British Columbia.

7. Poster on "Synthesis and Characterization of a Poly (ethylene) Glycol -

Silica Sol Composite," Klingshirn, M. A.; Subramanian, R.; Spear, S. K.;

Huddleston, J. G.; Holbrey, J. D.; Rogers, R. D 12th International

Conference on Biopartitioning and Purification, (2003), Vancouver,

British Columbia.

8. "Synthesis, characterization, and applications of ionic liquid-

poly(ethylene) glycol gel matrices," M. A. Klingshirn, S. K. Spear, R.

Subramanian, J. D. Holbrey, and R. D. Rogers Presented by M. A.

Klingshirn before the 227th ACS National Meeting (2004), Anaheim, CA,

Abstract POLY 638

9. Poster at, The microscopy society of Ireland symposium, Focas Institute,

Dublin 7-9 September titled "Design and microfabrication of an

impedimetric point of care device". Authors: R.Subramanian, Mark Tweedie,

Gamal Abbas, Eric McAdams and J.A.D.McLaughlin.

10. Poster at Close-out Conference of the Cross-Border Programme for

Research and Education contributing to Peace and Reconciliation, 12th

April '06."Impedimetric Microfluidic Point-of-Care Sensors with RF data

transmission" Authors: M.Tweedie, R. Subramanian, I. Craig, E.T. McAdams,

J.A.D. McLaughlin (NRI/NIBEC at UUJ), and B. MacCraith,

R.O'Kennedy, N. Kent, S. Hearty (NCSR at DCU).

11. Poster and abstract in conference proceedings of Northern Ireland

BioEngineering Science (NIBES) Spring Meeting at UUJ. "Impedimetric

Microfluidic Point-of-Care Sensors with RF data transmission" Authors:

M.Tweedie, R. Subramanian, I. Craig, E.T. McAdams, J.A.D. McLaughlin

(NRI/NIBEC at UUJ), and B. MacCraith, R.O'Kennedy, N. Kent, S. Hearty

(NCSR at DCU).

12. Poster presentation at the Nanotechnology conference, Nanotech 2006

Boston, MA, USA. "Fabrication of impedimetric sensors for label free

Point of care immunoassay cardiac marker systems with microfluidic blood

flow delivery, and results telemetry to PDA".

M. Tweedie, R. Subramanian, I. Craig, E.T. McAdams, J.A.D.

McLaughlin.

13. Co-author of presentation by Prof. E.T.McAdams, at pHealth conference,

Luzern, Switzerland, 30th Jan. to 1st. Feb. '06 - International workshop

on wearable micro- and nanosystems for personalized health. "Impedimetric

sensors for label-free Point-of-Care immunoassay cardiac marker systems"

Authors: M.Tweedie, R. Subramanian, I. Craig, E.T.McAdams,

J.A.D.McLaughlin (NRI/NIBEC at UUJ), and B. MacCraith, R.O'Kennedy, S.

Hearty (NCSR at DCU).

14. Poster and abstract in proceedings of Micro- and Nano- Technology

meeting, 9th. Dec. '05, at National Physical Laboratory, Teddington,

England. "Impedimetric Microfluidic Point-of-Care Sensors with RF data

transmission" Authors: M.Tweedie, R. Subramanian, I. Craig, E.T.McAdams,

J.A.D. McLaughlin (NRI/NIBEC at UUJ), and B.

MacCraith, R.O'Kennedy, S. Hearty (NCSR at DCU).

Publications:

1. Electrochemical and scanning tunneling microscopic studies on the

stability of the octadecanethiol self assembled monolayer onto some pre

treated noble metal surfaces. R.Subramanian and V.Lakshminarayanan

Journal of the Electrochemical Society of India 47(4), 261 1998

2. Effect of surface roughness on the self-assembly of octadecanethiol

monolayer onto polycrystalline noble metal surfaces. R.Subramanian and

V.Lakshminarayanan Current Science 76, (10) 665, 1999.

3. A study of kinetics of adsorption of alkanethiols on gold using

electrochemical impedance spectroscopy. R.Subramanian and

V.Lakshminarayanan Electrochimica Acta 45 (2000) 4501 - 4509.

4. Corrosion inhibition of mild steel in sulphuric acid by n-octylamine and

iodoacetic acid. S.Shabana begum, R.Subramanian, V.Lakshminarayanan,

S.M.Mayanna Indian Journal of Chemical Technology Vol 8 Nov 2001 pp 463-

468

5. Effect of adsorption of some azoles on copper passivation in alkaline

medium R.Subramanian and V.Lakshminarayanan Corrosion Science Vol. 44 (3)

2002 pp. 535 - 554

6. Cyclic voltammetric and electrochemical impedance studies on the

structure, adsorption kinetics and barrier properties of some organic

dithiol self assembled monolayers on gold. Ujjal Kumar Sur, R.Subramanian

and V.Lakshminarayanan Journal of Colloid and Interface Science Vol. 266

(1) Oct 2003 pp. 175-182

7. Gelation of ionic liquids using a cross linked poly(ethylene glycol) gel

matrix. MarcA.Klingshirn, Scott K.Spear, R.Subramanian, John D,Holbrey,

Jonathan G.Huddleston, Robin D.Rogers Chemistry of Materials 2004, 16,

3091-3097

8. Synthesis, characterization and application of ionic liquid polyethylene

glycol gel matrices. Marc A. Klingshirn, Scott K Spear, R.Subramanian,

John D. Holbrey, J G. Huddleston, Robin D. Rogers Polymer reprints

(American Chemical Society, Division of Polymer Chemistry) 2004, 45, 297-

298

9. Marc A. Klingshirn, Scott K Spear, R.Subramanian, John D. Holbrey, J G.

Huddleston, Robin D. Rogers. Polymers in ionic liquids, Brazel C.S,

Rogers R.D Eds, ACS Symposium Series 913, American Chemical Society.

Washington D.C (2005)

10. Fabrication of impedimetric sensors for label free Point of care

immunoassay cardiac marker systems with microfluidic

blood flow delivery, and results telemetry to PDA

M. Tweedie, R. Subramanian, I. Craig, E.T. McAdams, J.A.D. McLaughlin

Published in Conference Proceedings, of Nanotech 06, Boston, MA.

11. Characterization of gold electrodes in phosphate buffered saline

solution by impedance and noise measurements for biological applications.

E.T.McAdams, J.J.ossinet, R.Subramanian and R.McCauley. 28th IEEE EMBS,

New York, USA. p 4594- 4597 (2006)

12. Fabrication of impedimetric sensors for label-free Point-of-Care

immunoassay cardiac marker systems, with passive microfluidic delivery.

M.Tweedie, R.Subramanian, B.MacCraith, E.T.McAdams and J.A.D.McLaughlin.

28th IEEE EMBS, New York, USA. p 4610 -4614 (2006)

Expertise:

. Electrochemical techniques: Conductometry, potentiometry, Cyclic

voltammetry, amperometry, chronopotentiometry, AC,square wave,

hydrodynamic voltammetry.

. Electrochemical impedance and dielectric spectroscopy, Analysis and

modeling of impedance and electrochemical data. Dielectric

characterization of materials.

. Clean room techniques, Photolithography, Inkjet printing of materials

onto substrates, Screen printing of electrodes, sensor design and

fabrication.

. Electrochemical sensors, Surface attachment of molecules onto electrodes.

. Ionic liquids, Conducting polymers

. Corrosion measurements: Steady state tafel measurements, linear

polarization technique, electrochemical noise analysis

. UV-vis, FT-IR, NMR, SEM, STM, AFM, contact angle, surface profilometry,

XRD, Quartz Crystal Microbalance, Scanning kelvin probe.

. Basic knowledge of electronics and device characterization

Research experience

My research specialization is in the area of

electrochemistry. I have worked in different areas of electrochemistry such

as surface modified electrodes, corrosion, electrodeposition, ionic liquid

electrochemistry, materials & polymer electrochemistry, electrochemical

sensors and photovoltaic cells. I have significant experience in using

various electrochemical, spectroscopic and surface characterisation

techniques during my PhD and research career.

During my PhD, I had carried out electrochemical and

spectroscopic studies of self assembled monolayers of alkanethiols on gold

surfaces. These monolayers were characterised by different electrochemical

techniques such as cyclic voltammetry, impedance spectroscopy,

chronoamperometry etc. and also by spectroscopic tools such as UV-vis,

Infra red and Scanning tunneling microscopy. I was involved in the

construction and use of a home made scanning tunneling microscope to image

electrode surfaces. I also carried out electrochemical and corrosion

studies on copper and steel and the effect of polymer films on their

corrosion inhibition in different media.

My post doc work at the QUILL Research Centre in Queens

University, Belfast involved the synthesis, physical and electrochemical

characterisation of different room temperature ionic liquids. I carried out

electrodeposition studies of different metals like copper, aluminium and

silver onto various substrates from ionic liquid melts. The nature and

mechanism of the electrodeposition process were studied. The

electrodeposits were characterized by STM, SEM and XRD. I also carried out

research work on the solubility of different metal salts and metal oxides

in ionic liquids.

I was a research associate at the Center for Green

Manufacturing at the University of Alabama in USA. I worked in the research

group of Prof. Robin Rogers. I was involved in the synthesis and

electrochemical analysis of room temperature ionic liquid gel electrolytes.

Characterisation of these ionic liquid gels were carried out using various

techniques like Differential scanning calorimetry, cyclic voltammetry

conductivity etc. These gels were studied for use as battery electrolytes

and for electrochemical sensing applications. I was also involved in

studies related to the dissolution of cellulose in room temperature ionic

liquids and the preparation and characterisation of polymer blends of

cellulose with other polymers like nylon, polyester etc in ionic liquid

media.

At NIBEC in the University of Ulster U.K, my research

project was on the development of an electrochemical POC (point of care)

biosensor for the detection of cardiac enzymes in whole blood in a

microfluidic cell. This work was carried out in collaboration with the

Royal Victoria Hospital. Different cardiac enzymes like myoglobin,

troponin, CK-MB were covalently attached to gold electrodes prepared by

photolithography. The attachment was carried out using various surface

immobilization techniques. Impedance, cyclic voltammetry and amperometry

were used to detect the binding of antibody to its corresponding antigen.

Complementary antibody- antigen pairs could be detected with a detection

limit of a few nanogram per ml for the biosensor in the microfluidic cell.

Immunoassays were carried out for different cardiac enzymes with the

corresponding control. I also studied the attachment of DNA and bacterial

biofilms onto electrodes by using electrochemistry and spectroscopic

techniques. My other project was on the characterization of electrode

coating quality by impedance and electrochemical noise measurements.

I was a principal research scientist at a start up

medical device company, Crospon Ltd. based in Galway, Ireland. I carried

out research work on a non-invasive sensor for continuous glucose

monitoring for diabetics based on the measurement of variation of

transdermal body tissue impedance upon uptake of glucose. I was involved in

the design and characterization of microfabricated electrodes. These

electrodes were then used to measure the electrical characteristics of the

stratum corneum and underlying body tissue. I developed an electrical model

to calculate these parameters. I also worked on the electrochemical

characterization of screen-printed electrodes prepared using various inks

(Ag/AgCl, carbon, silver, gold).

I was a research fellow at the National Centre for Sensor

Research at Dublin City University in Ireland. My research work was on the

development of an electrochemical amperometric sensor for the detection of

ammonia in air and liquids. I was involved in the design of screen printed

electrodes and the synthesis of charge stabilized nano particle dispersions

of conducting polymers like polyaniline. These materials are then inkjet

printed onto electrode substrates. The sensing mechanism is based on the

variation in the electrochemical properties of inkjet printed

nanostructured conducting polymers upon exposure to ammonia. I built a

prototype probe for detecting ammonia in industrial environments.

I am currently working on the studying the electrochemical

properties of doped titanium dioxide nanowires prepared by hydrothermal

synthesis. I am involved in the development and fabrication of a

photovoltaic solar cell and measurement of the electrical characteristics

of the device.

I have experience in project management and in writing

grant proposals to different funding bodies. I have been involved in the

supervision of research projects of Ph.D students and maintenance of

electrochemical laboratories. I have presented my research work at various

meetings and conferences. I have interacted and collaborated with a number

of research groups and companies during the execution of various research

projects. During my employment at Crospon Ltd., I was involved in writing

up Design and History files (DHF) and Standard Operating Procedures (SOP)

for experiments.

References:

. Professor Malcolm Smyth

National Centre for Sensor Research

Dublin City University

Collins Avenue, Glasnevin, Dublin 9

Ireland

E-mail: abi7gn@r.postjobfree.com

. Dr. John O'Dea

CEO, Crospon Ltd.

Galway Business Park

Dangan, Galway

Ireland

E-mail: abi7gn@r.postjobfree.com

. Professor Jim McLaughlin

Director- Nanotechnology and Integrated Bioengineering Centre

University of Ulster at Jordanstown

Shore Road, Newtownabbey

BT37 0QB

United Kingdom

E-mail: abi7gn@r.postjobfree.com

. Professor Eric McAdams

Institut National des Sciences Appliqu es de Lyon

B timent Blaise Pascal

7 avenue Jean Capelle

69621 Villeurbanne Cedex

France

E-mail: abi7gn@r.postjobfree.com

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