ABTECH Scientific, Inc.Virginia Biotechnology Research Park

800 East Leigh Street, Suite 52Richmond, Virginia 23219 USA

sales@abtechsci.com http://www.abtechsci.com

Microlithographically Fabricated Chips and Microelectrodes for Chemical and

Biological Sensor Research and Development

Microfabricated Interdigitated Microsensor Electrodes (IMEs)

IME XX50.5 M, CD, FD; Au, Pt, ITO

XX = 5, 10, 15, 20 m

Microelectrodes

OxygenMicroelectrodes

pH and REFMicroelectrodes

IME 1010.3 FD Au, Pt, ITO

Liquid Flow Cell Detector

IME 1010.3 FD Au, Pt, ITO

Gas / Vapor Flow Cell Detector

MDEA XXX Au, Pt

Microdisc Electrode Arrays 1

MDEA DEVICES

Disc dimensions / Number of Discs

Active Area

Conductor

MDEA 3600 D = 3,600 m1 disc

0.10 cm2 Au, Pt, ITO

MDEA 250 D = 250 m207 microdiscs

0.10 cm2 Au, Pt, ITO

MDEA 100 D = 100 m1,296 microdiscs

0.10 cm2 Au, Pt, ITO

MDEA 50 D = 50 m5,184 microdiscs

0.10 cm2 Au, Pt, ITO

50 m 100 m 250 m

x 50

3600 m

x 50x 50x 50

Microdisc Electrode Arrays 2

50m

100m

250m

3600m

Microdisc Electrode Arrays 3

PAnCl on MDEA 50 Au x50

PAnCl on MDEA 100 Au x50

PAnPSS on MDEA 100 Au x50

PAnPSS on MDEA 50 Au x50

Total current density applied = 100 mA/cm2

Total time = 20 s

Total charge density = 2 C/cm2

Microdisc Electrode Arrays 4

Independently Addressable Microband Electrodes (IAMEs)

XX = 5, 10, 15, 20 m

Microband Electrodes

IAME XX04, Au, Pt or ITO

Independently Addressable Interdigitated Microsensor Electrodes (IAIMEs)

XX = 5, 10, 15, 20 m

Microband Electrodes

IAIME XX10, Au, Pt or ITO

A

B

C

D

E

F

G

Electrochemical Cell-on-a-Chip (ECC)

Electrochemical Cell-on-a-Chip (ECC)

XX = 05, 10, 15, 20 m

ECC IME XX04, Au, Pt or ITO

2 cm

1 cm

C1C2

A

B

C

D

E

F

G

Counter Electrode

Interdigitated WE1 and WE2

Reference Electrode, Ag/AgCl

Si3N4 Passivation Layer

Unmodified

Polypyrrole modified

Unsilverized

Silverized

Electrochemical Cell-on-a-Chip (ECC)

An integrated biochip showing the microfabricated pattern of electrodes bonded and sealed into the Microncs’ microfluidic T-cassette.

Electrochemical Cell-on-a-Chip (ECC)

Integrated in a Microfluidic Cassette

Polypyrrole modified

IAME-co-IME 2-1 Au, PtIndependently Addressable Microband Electrodes and

Microfrabricated Interdigitated Microsensor Electrodes)

4 bands 3 mm long 2 m lines, 1 m space

5 + 5 fingers 3 mm long 2 m lines, 1 m space

IAME-co-IME 2-1 Au, PtIndependently Addressable Microband Electrodes and

Microfrabricated Interdigitated Microsensor Electrodes)

IAME-co-IME 2-1 Au, Pt

IAME-co-IME 2-1 Au, PtIndependently Addressable Microband Electrodes and

Microfrabricated Interdigitated Microsensor Electrodes)

2 line

1 space

Chips of 5μm, 10μm, 15μm and 20μm with electropolymerized PPyCSA

Sensor Arrays of VOC Responsive Polymers for the Electronic NOSE

People

Scientific Advisory Board

Anthony Guiseppi-Elie, Sc.D.

David Allara, Ph.D. (Penn State University)Norman Sheppard, Jr.

Management Team

James W. Sharpe, MBAChairman and CEO

Anthony Guiseppi-Elie, Sc.D.President and Scientific Director

James R. Funkey, MA, CPAVP and Controller

Ann M. WilsonDirector, Applications Development

TBHVP, Business Development

Board of Directors

James W. Sharpe, MBAChairman

Anthony Guiseppi-Elie, Sc.D.President and Scientific Director

Annette Guiseppi-Elie, Ph.D.

Cynthia Garwon-Burke, Ph.D.

Patent and IP Council

Leigh P. GregoryPatent AttorneyClemson, SC, USA