abtech scientific, inc. virginia biotechnology research park 800 east leigh street, suite 52...
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ABTECH Scientific, Inc.Virginia Biotechnology Research Park
800 East Leigh Street, Suite 52Richmond, Virginia 23219 USA
[email protected] 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