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<TD WIDTH=100% BGCOLOR="#0000ff">
<P ALIGN=RIGHT><FONT COLOR="#ffffff"><FONT FACE="Verdana"><FONT SIZE=4><B>Bioanalytical
Biotransducers</B></FONT></FONT></FONT></P>
</TD>
</TR>
</TABLE>
<TABLE WIDTH=650 BORDER=0 CELLPADDING=3 CELLSPACING=0>
<COL WIDTH=93*>
<COL WIDTH=100*>
<COL WIDTH=63*>
<TR>
<TD WIDTH=36% BGCOLOR="#cccccc">
<P ALIGN=CENTER><FONT FACE="Verdana"><B>BB DEVICES</B></FONT></P>
</TD>
<TD WIDTH=39% BGCOLOR="#cccccc">
<P ALIGN=CENTER><FONT FACE="Verdana"><B>Gold</B></FONT></P>
</TD>
<TD WIDTH=25% BGCOLOR="#cccccc">
<P ALIGN=CENTER><BR>
</P>
</TD>
</TR>
<TR>
<TD ROWSPAN=2 WIDTH=36% BGCOLOR="#d8e1ef">
<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><B>Biotin
: </B>Biotinylated surface</FONT></FONT></P>
</TD>
<TD WIDTH=39%>
<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><B>BB
Au-1050.5-FD-Biotin</B></FONT></FONT></P>
</TD>
<TD WIDTH=25% BGCOLOR="#f2e3df">
<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><I><B>(for
static cell) </B></I></FONT></FONT>
</P>
</TD>
</TR>
<TR>
<TD WIDTH=39%>
<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><B>BB
Au-1010.3-FD-Biotin</B></FONT></FONT></P>
</TD>
<TD WIDTH=25% BGCOLOR="#f2e3df">
<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><I><B>(for
flow through cell) </B></I></FONT></FONT>
</P>
</TD>
</TR>
<TR>
<TD ROWSPAN=2 WIDTH=36% BGCOLOR="#d8e1ef">
<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><B>Primary
amine </B>: Aminated surface-NH<SUB>2</SUB></FONT></FONT></P>
</TD>
<TD WIDTH=39%>
<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><B>BB
Au-1050.5-FD-NH<SUB>2</SUB></B></FONT></FONT></P>
</TD>
<TD WIDTH=25% BGCOLOR="#f2e3df">
<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><I><B>(for
static cell)</B></I></FONT></FONT></P>
</TD>
</TR>
<TR>
<TD WIDTH=39%>
<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><B>BB
Au-1010.3-FD-NH<SUB>2</SUB></B></FONT></FONT></P>
</TD>
<TD WIDTH=25% BGCOLOR="#f2e3df">
<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><I><B>(for
flow through cell) </B></I></FONT></FONT>
</P>
</TD>
</TR>
<TR>
<TD ROWSPAN=2 WIDTH=36% BGCOLOR="#d8e1ef">
<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><B>Carboxylic
acid : </B>COOH/COO<SUP>-</SUP></FONT></FONT></P>
</TD>
<TD WIDTH=39%>
<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><B>BB
Au-1050.5-FD-COOH</B></FONT></FONT></P>
</TD>
<TD WIDTH=25% BGCOLOR="#f2e3df">
<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><I><B>(for
static cell) </B></I></FONT></FONT>
</P>
</TD>
</TR>
<TR>
<TD WIDTH=39%>
<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><B>BB
Au-1010.3-FD-COOH</B></FONT></FONT></P>
</TD>
<TD WIDTH=25% BGCOLOR="#f2e3df">
<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><I><B>(for
flow through cell) </B></I></FONT></FONT>
</P>
</TD>
</TR>
<TR>
<TD ROWSPAN=2 WIDTH=36% BGCOLOR="#d8e1ef">
<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><B>Hydroxyl</B>
: -OH<SUP>-</SUP></FONT></FONT></P>
</TD>
<TD WIDTH=39%>
<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><B>BB
Au-1050.5-FD-OH</B></FONT></FONT></P>
</TD>
<TD WIDTH=25% BGCOLOR="#f2e3df">
<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><I><B>(for
static cell) </B></I></FONT></FONT>
</P>
</TD>
</TR>
<TR>
<TD WIDTH=39%>
<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><B>BB
Au-1010.3-FD-OH</B></FONT></FONT></P>
</TD>
<TD WIDTH=25% BGCOLOR="#f2e3df">
<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><I><B>(for
flow through cell) </B></I></FONT></FONT>
</P>
</TD>
</TR>
<TR>
<TD ROWSPAN=2 WIDTH=36% BGCOLOR="#d8e1ef">
<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><B>Sulfonate
: </B>-SO<SUB>3</SUB>H/-SO<SUB>3</SUB> <SUP>-</SUP></FONT></FONT></P>
</TD>
<TD WIDTH=39%>
<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><B>BB
Au-1050.5-FD-SO<SUB>3</SUB></B><SUP>-</SUP></FONT></FONT></P>
</TD>
<TD WIDTH=25% BGCOLOR="#f2e3df">
<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><I><B>(for
static cell) </B></I></FONT></FONT>
</P>
</TD>
</TR>
<TR>
<TD WIDTH=39%>
<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><B>BB
Au-1010.3-FD-SO<SUB>3</SUB></B><SUP>-</SUP></FONT></FONT></P>
</TD>
<TD WIDTH=25% BGCOLOR="#f2e3df">
<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><I><B>(for
flow through cell) </B></I></FONT></FONT>
</P>
</TD>
</TR>
<TR>
<TD ROWSPAN=2 WIDTH=36% BGCOLOR="#d8e1ef">
<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><B>Non-activated
: </B>No surface activation</FONT></FONT></P>
</TD>
<TD WIDTH=39%>
<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><B>BB
Au-1050.5-FD-X</B></FONT></FONT></P>
</TD>
<TD WIDTH=25% BGCOLOR="#f2e3df">
<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><I><B>(for
static cell) </B></I></FONT></FONT>
</P>
</TD>
</TR>
<TR>
<TD WIDTH=39%>
<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><B>BB
Au-1010.3-FD-X</B></FONT></FONT></P>
</TD>
<TD WIDTH=25% BGCOLOR="#f2e3df">
<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><I><B>(for
flow through cell)</B></I></FONT></FONT></P>
</TD>
</TR>
</TABLE>
</DL>
<P STYLE="margin-bottom: 0in"><BR>
</P>
<TABLE WIDTH=100% BORDER=1 CELLPADDING=2 CELLSPACING=1>
<TR>
<TD HEIGHT=22>
<P ALIGN=CENTER><A HREF="#introduction"><FONT SIZE=1 STYLE="font-size: 8pt">Introduction
and Background</FONT></A></P>
</TD>
<TD>
<P ALIGN=CENTER><A HREF="#applications"><FONT SIZE=1 STYLE="font-size: 8pt">Applications
of BBs</FONT></A></P>
</TD>
<TD>
<P ALIGN=CENTER><A HREF="#specifications"><FONT SIZE=1 STYLE="font-size: 8pt">Technical
Specifications</FONT></A></P>
</TD>
<TD>
<P ALIGN=CENTER><A HREF="#methods"><FONT SIZE=1 STYLE="font-size: 8pt">Methods</FONT></A></P>
</TD>
<TD>
<P ALIGN=CENTER><A HREF="#appnotes"><FONT SIZE=1 STYLE="font-size: 8pt">Application
Notes</FONT></A></P>
</TD>
<TD>
<P ALIGN=CENTER><A HREF="pricelist-cart.html" target="pricelist"><FONT SIZE=1 STYLE="font-size: 8pt">Price
List</FONT></A></P>
</TD>
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<P STYLE="margin-bottom: 0in"> <A HREF="#top"><FONT SIZE=1>Back
to Top</FONT></A></P>
<HR>
<H2><IMG SRC="gifs/tbullet.gif" NAME="Graphic6" ALIGN=BOTTOM WIDTH=12 HEIGHT=12 BORDER=0>
<FONT SIZE=2><FONT FACE="Verdana">Introduction and Background</FONT></FONT></H2>
<UL>
<LI><P STYLE="margin-bottom: 0in"><FONT SIZE=1 STYLE="font-size: 8pt">Bioanalytical
biotransducers comprise a fully contiguous and specifically
adhered (via covalent bond formation) thin film of
electroconductive polymer hydrogel fabricated on an inert
interdigitated microsensor electrode array device (</FONT><A HREF="imes.html"><FONT SIZE=1 STYLE="font-size: 8pt">IME</FONT></A><FONT SIZE=1 STYLE="font-size: 8pt">).
These biotransducers serve as chemically-sensitive, solid-state
detection and monitoring devices possessing surface
functionality appropriate for the immobilization of your
bioactive indicator molecules.</FONT></P>
<P STYLE="margin-bottom: 0in"></P>
<LI><P STYLE="margin-bottom: 0in"><FONT SIZE=1 STYLE="font-size: 8pt">Biotransducers
may be rendered biospecific by the covalent immobilization of
haptens, polypeptides, enzymes, antibodies, and DNA fragments.
With the associated Electroconductive Polymer Sensor
Interrogation System (</FONT><A HREF="epsis.html"><FONT SIZE=1 STYLE="font-size: 8pt">EPSIS
240II CS</FONT></A><FONT SIZE=1 STYLE="font-size: 8pt">), you
are provided with the computerized sensor interrogation and data
acquisition hardware for the simultaneous study of the biosensor
responses of these devices.</FONT></P>
<P STYLE="margin-bottom: 0in"></P>
<LI><P STYLE="margin-bottom: 0in"><FONT SIZE=1 STYLE="font-size: 8pt"><FONT FACE="Verdana">Only
the Full Differential (FD) device configuration and the 10
mincron line and space dimensions are used in the manufacture of
Bioanalytical Biotransducers. The FD confiiguration provides two
sensory areas on the single chip allowing for comparisons
between a biospecific element and its reference. The BB devices
are supplied in the form of a fully packaged (P) electrode with
leadwires attached and the device encapsulated using a
chemically resistant epoxy resin to seal the bonding pads into a
delrin electrode body.</FONT></FONT></P>
<P STYLE="margin-bottom: 0in"></P>
</UL>
<UL>
<LI><P><FONT SIZE=1 STYLE="font-size: 8pt">Different surface
chemical functional groups [carboxylic acid (-COOH), primary
amine (-NH<SUB>2</SUB>), primary alcohol (-OH), or free
sulfonate (-SO<SUB>3</SUB>H) allows for the specific attachment
and immobilization of biologically active haptens, polypeptides,
enzymes, antibodies, enzyme-linked antibodies, DNA fragments, as
well as inorganic and other indicator molecules that may be of
interest in your research and development. </FONT>
</P>
</UL>
<P><A HREF="#top"><FONT SIZE=1>Back to Index</FONT></A></P>
<HR>
<H2><IMG SRC="gifs/tbullet.gif" NAME="Graphic5" ALIGN=BOTTOM WIDTH=12 HEIGHT=12 BORDER=0>
<FONT SIZE=2><FONT FACE="Verdana">Applications of BBs</FONT></FONT></H2>
<P><A HREF="books.html">Applications of BB</A> in research and
product development include:</P>
<UL>
<LI><P STYLE="margin-bottom: 0in"><FONT SIZE=1 STYLE="font-size: 8pt"><B>In
chemical and biosensor research and development:</B> The high
sensitivity of these organic, polymeric, semiconducting films to
changes in redox state, along with the solid state construction
and small device size, make these devices ideally suited for
research and development of chemical and biosensor
applications.</FONT><BR><BR>
</P>
<LI><P STYLE="margin-bottom: 0in"><FONT SIZE=1 STYLE="font-size: 8pt"><B>As
chemoresistive sensor elements in multi-element arays:</B>
Several differently responding, but singularly non-specific,
sensor elements may be assembled into multi-element arrays for
the recognition and monitoring of analytes of interest.
Biosensor line of products. </FONT>
</P>
</UL>
<P> <A HREF="#top"><FONT SIZE=1>Back to Index</FONT></A></P>
<HR>
<H2><IMG SRC="gifs/tbullet.gif" NAME="Graphic4" ALIGN=BOTTOM WIDTH=12 HEIGHT=12 BORDER=0>
<FONT SIZE=2><FONT FACE="Verdana">Technical Specifications</FONT></FONT></H2>
<P STYLE="margin-left: 0.01in; font-style: normal"><FONT FACE="Verdana"><FONT SIZE=1 STYLE="font-size: 8pt"><B><FONT COLOR="#00af00">Ø
</FONT>Chip Substrate: Schott D263 Borosilicate Glass</B></FONT></FONT></P>
<BLOCKQUOTE><FONT FACE="Verdana"><FONT SIZE=1 STYLE="font-size: 8pt">Dielectric
Constant, Epsilon(r) at 1 MHz = 6.7</FONT></FONT></BLOCKQUOTE>
<BLOCKQUOTE><FONT FACE="Verdana"><FONT SIZE=1 STYLE="font-size: 8pt">Dielectric
Loss Angle, tan delta, at 1 MHz = 61 x 10-4</FONT></FONT></BLOCKQUOTE>
<BLOCKQUOTE><FONT FACE="Verdana"><FONT SIZE=1 STYLE="font-size: 8pt">Electrical
Resistivity (50 Hz) (250 C) = 1.6 x 108 ohm cm</FONT></FONT></BLOCKQUOTE>
<BLOCKQUOTE><FONT FACE="Verdana"><FONT SIZE=1 STYLE="font-size: 8pt">Coefficient
of Linear Thermal Expansion, * 20-300 = 7.2 x 10^-6 K^-1</FONT></FONT></BLOCKQUOTE>
<BLOCKQUOTE><FONT FACE="Verdana"><FONT SIZE=1 STYLE="font-size: 8pt">Refractive
Index at 20 C, ne ( Lambda = 546.1 nm) = 1.5249</FONT></FONT></BLOCKQUOTE>
<P STYLE="font-style: normal"><FONT FACE="Verdana"><FONT SIZE=1 STYLE="font-size: 8pt"><B><FONT COLOR="#00af00">Ø
</FONT>Metallization: 100 Å Ti / 1000 Å Au or Pt</B></FONT></FONT></P>
<BLOCKQUOTE><FONT FACE="Verdana"><FONT SIZE=1 STYLE="font-size: 8pt">Digit
length, d, (microns) = 4,985</FONT></FONT></BLOCKQUOTE>
<BLOCKQUOTE><FONT FACE="Verdana"><FONT SIZE=1 STYLE="font-size: 8pt">No.
of digit pairs per sensor, N = 50</FONT></FONT></BLOCKQUOTE>
<BLOCKQUOTE><FONT FACE="Verdana"><FONT SIZE=1 STYLE="font-size: 8pt">Digit
Width, a, (microns) = 10</FONT></FONT></BLOCKQUOTE>
<BLOCKQUOTE><FONT FACE="Verdana"><FONT SIZE=1 STYLE="font-size: 8pt">Interdigit
Space, a, (microns) = 10</FONT></FONT></BLOCKQUOTE>
<BLOCKQUOTE><FONT FACE="Verdana"><FONT SIZE=1 STYLE="font-size: 8pt">Spatial
Periodicity, lambda, (microns) = 40</FONT></FONT></BLOCKQUOTE>
<BLOCKQUOTE><FONT FACE="Verdana"><FONT SIZE=1 STYLE="font-size: 8pt">Zaretsky
Meander Length, M, (cm) = 24.93 cm</FONT></FONT></BLOCKQUOTE>
<BLOCKQUOTE><FONT FACE="Verdana"><FONT SIZE=1 STYLE="font-size: 8pt">Center
Line or Serpentine Length (cm) = 49.55 cm</FONT></FONT></BLOCKQUOTE>
<BLOCKQUOTE><FONT FACE="Verdana"><FONT SIZE=1 STYLE="font-size: 8pt">Cell
Constant (cm^-1) = 0.040 cm^-1</FONT></FONT></BLOCKQUOTE>
<P STYLE="font-style: normal"><FONT SIZE=1 STYLE="font-size: 8pt"><B><FONT COLOR="#00af00">Ø
</FONT>IME Chip Dimensions (l x w x t) for the Un-packaged Die</B></FONT></P>
<BLOCKQUOTE><FONT FACE="Verdana"><FONT SIZE=1 STYLE="font-size: 8pt">Monolithic,
M = 1.75 x 1.00 x 0.05</FONT></FONT></BLOCKQUOTE>
<BLOCKQUOTE><FONT FACE="Verdana"><FONT SIZE=1 STYLE="font-size: 8pt">Combined
Differential, CD = 1.75 x 1.00 x 0.05 cm</FONT></FONT></BLOCKQUOTE>
<BLOCKQUOTE><FONT FACE="Verdana"><FONT SIZE=1 STYLE="font-size: 8pt">Full
Differential, FD = 1.75 x 1.00 x 0.05 cm</FONT></FONT></BLOCKQUOTE>
<P STYLE="margin-left: 0.26in"><FONT FACE="Verdana"><FONT SIZE=1 STYLE="font-size: 8pt">Electrode
Body: Delrin</FONT></FONT></P>
<P STYLE="margin-left: 0.26in"><FONT FACE="Verdana"><FONT SIZE=1 STYLE="font-size: 8pt">Encapsulant:
Epoxy header. Polyimide packaged chip.</FONT></FONT></P>
<P STYLE="margin-left: 0.26in"><FONT FACE="Verdana"><FONT SIZE=1 STYLE="font-size: 8pt">Leadwires:
Color coded, 30AWG stranded copper, shielded, and PVC jacketed.</FONT></FONT></P>
<P><A HREF="#top"><FONT SIZE=1>Back to Top</FONT></A></P>
<HR>
<H2><IMG SRC="gifs/tbullet.gif" NAME="Graphic3" ALIGN=BOTTOM WIDTH=12 HEIGHT=12 BORDER=0>
<FONT SIZE=2><FONT FACE="Verdana">Methods</FONT></FONT></H2>
<P><FONT FACE="Verdana"><FONT SIZE=1 STYLE="font-size: 8pt">Chemoresistance
responses of Bioanalytical Biotransducers may be obtained form a
wide assortment of interrogation hardware. These fall into three
categories.</FONT></FONT></P>
<UL>
<LI><P STYLE="margin-bottom: 0in"><FONT SIZE=1 STYLE="font-size: 8pt">Dedicated
Electroconductive Polymer Sensor Interrogation System (</FONT><A HREF="epsis.html"><FONT SIZE=1 STYLE="font-size: 8pt">EPSIS</FONT></A><FONT SIZE=1 STYLE="font-size: 8pt">).<BR></FONT><BR>
</P>
<LI><P STYLE="margin-bottom: 0in"><FONT FACE="Verdana"><FONT SIZE=1 STYLE="font-size: 8pt">DC
Resistance Measurements performed with:<BR>Simple multimeters
set to resistance mode with operator recording of displayed
data.<BR>Sophisticated multimeters with data logging capability
or computer interface (commonly RS232, IEEE488, or
USB).<BR>Electrometers with computer interface (commonly RS232,
IEEE488, or USB).<BR></FONT></FONT><BR>
</P>
<LI><P><FONT SIZE=1 STYLE="font-size: 8pt">Complex Impedance
response performed with:<BR>Combined Function Generator and
Lock-in Amplifier.<BR>Transfer Function Analyzers.<BR>AC-Impedance
Analyzers. </FONT>
</P>
</UL>
<P><A HREF="#top"><FONT SIZE=1>Back to Top</FONT></A></P>
<HR>
<H2><IMG SRC="gifs/tbullet.gif" NAME="Graphic2" ALIGN=BOTTOM WIDTH=12 HEIGHT=12 BORDER=0>
<FONT SIZE=2><FONT FACE="Verdana">Application Notes</FONT></FONT></H2>
<P><FONT SIZE=1 STYLE="font-size: 8pt">For further information,
request Application Notes or </FONT><A HREF="files.html"><FONT SIZE=1 STYLE="font-size: 8pt">download
files</FONT></A><FONT SIZE=1 STYLE="font-size: 8pt">:</FONT></P>
<P STYLE="margin-left: 0.49in"><FONT FACE="Verdana"><FONT SIZE=1 STYLE="font-size: 8pt">IME1
- Interdigitated Microsensor Electrodes: Applications and
References.</FONT></FONT></P>
<P STYLE="margin-left: 0.49in"><FONT FACE="Verdana"><FONT SIZE=1 STYLE="font-size: 8pt">IME2
- Conductimetric Urea Biosensor Formed From Interdigitated
Microsensor Electrodes</FONT></FONT></P>
<P STYLE="margin-left: 0.49in"><FONT FACE="Verdana"><FONT SIZE=1 STYLE="font-size: 8pt">IME3
- Care and Cleaning Procedures</FONT></FONT></P>
<UL>
<LI><P STYLE="margin-bottom: 0in"><FONT SIZE=1 STYLE="font-size: 8pt">Electroconductive
Polymer Microsensor Electrode (EPME <SUP>TM</SUP>) is the
tradename for a family of non-specific sensor devices developed
by ABTECH.<BR></FONT><BR>
</P>
<LI><P><FONT SIZE=1 STYLE="font-size: 8pt">Bioanalytical
Biotransducers is the tradename for a family of affinity and
activated sensors devices developed by ABTECH.</FONT>
</P>
</UL>
<P><A HREF="#top"><FONT SIZE=1>Back to Top</FONT></A></P>
<HR>
<P ALIGN=CENTER><FONT SIZE=1><FONT FACE="Verdana, Arial"><B>Contact:
Ann M. Wilson, </B>Manager, <BR>Applications Development ABTECH
Scientific, Inc.<BR>800 East Leigh Street, Suite G24, Richmond,
Virginia 23219<BR>Telephone Number: +1-804-783-7829 Fax Number:
+1-804-783-7830<BR>e-mail: <A HREF="mailto:[email protected]">[email protected]</A></FONT></FONT></P>
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