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			<TD WIDTH=100% HEIGHT=28 >

				<P ALIGN=left><FONT FACE="arial"><B><span class="style4">ELECTROCONDUCTIVE

				POLYMER MICROSENSOR ELECTRODES (EPMEs</span></B><FONT COLOR="#ffffff"><B>)</B></FONT></FONT></P>

			</TD>

		</TR>

	</TABLE>

</DL>

<FONT FACE="arial"><B>(Conductive

Polymer Sensors)</B></FONT>
<TABLE WIDTH=650 BORDER=0 CELLPADDING=2 CELLSPACING=5>

		<TR>

			<TD WIDTH=234 BGCOLOR="#e9d2cb">

				<P ALIGN=CENTER><FONT FACE="Verdana, Arial"><FONT SIZE=2><B>EPME

				DEVICES</B></FONT></FONT></P>

			</TD>

			<TD WIDTH=186 BGCOLOR="#e9d2cb">

				<P ALIGN=CENTER><FONT FACE="Verdana, Arial"><FONT SIZE=2><B>Gold</B></FONT></FONT></P>

			</TD>

			<TD WIDTH=129 BGCOLOR="#e9d2cb">

				<P ALIGN=CENTER><FONT FACE="Verdana, Arial"><FONT SIZE=2><B>Platinum</B></FONT></FONT></P>

			</TD>

			<TD WIDTH=146 BGCOLOR="#e9d2cb">

				<P ALIGN=CENTER><FONT FACE="Verdana, Arial"><FONT SIZE=2><B>Sensory

				Material</B></FONT></FONT></P>

			</TD>

		</TR>

		<TR>

			<TD WIDTH=234 BGCOLOR="#cdd5e4">

				<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><B>Monolithic-Polyaniline</B></FONT></FONT></P>

			</TD>

			<TD WIDTH=186 BGCOLOR="#dedba3">

				<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">EPME

				1050.5-M-Au-P-PAn</FONT></FONT></P>

			</TD>

			<TD WIDTH=129 BGCOLOR="#e3e3e3">

				<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">EPME

				1050.5-M-Pt-P-PAn</FONT></FONT></P>

			</TD>

			<TD WIDTH=146 BGCOLOR="#ece0d9">

				<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><I><B>Polyaniline</B></I></FONT></FONT></P>

			</TD>

		</TR>

		<TR>

			<TD WIDTH=234 BGCOLOR="#cdd5e4">

				<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><B>Monolithic-Polypyrrole</B></FONT></FONT></P>

			</TD>

			<TD WIDTH=186 BGCOLOR="#dedba3">

				<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">EPME

				1050.5-M-Au-P-PPy</FONT></FONT></P>

			</TD>

			<TD WIDTH=129 BGCOLOR="#e3e3e3">

				<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">EPME

				1050.5-M-Pt-P-PPy</FONT></FONT></P>

			</TD>

			<TD WIDTH=146 BGCOLOR="#ece0d9">

				<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><I><B>Polypyrrole</B></I></FONT></FONT></P>

			</TD>

		</TR>

		<TR>

			<TD WIDTH=234 BGCOLOR="#cdd5e4">

				<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><B>Monolithic-Poly(3-hexylthiophene)</B></FONT></FONT></P>

			</TD>

			<TD WIDTH=186 BGCOLOR="#dedba3">

				<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">EPME

				1050.5-M-Au-P-PTh</FONT></FONT></P>

			</TD>

			<TD WIDTH=129 BGCOLOR="#e3e3e3">

				<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">EPME

				1050.5-M-Pt-P-PTh</FONT></FONT></P>

			</TD>

			<TD WIDTH=146 BGCOLOR="#ece0d9">

				<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><I><B>poly(3-hexylthiophene)</B></I></FONT></FONT></P>

			</TD>

		</TR>

		<TR>

			<TD WIDTH=234 BGCOLOR="#cdd5e4">

				<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><B>Combined

				Differential-Polyaniline</B></FONT></FONT></P>

			</TD>

			<TD WIDTH=186 BGCOLOR="#dedba3">

				<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">EPME

				1050.5-CD-Au-P-PAn</FONT></FONT></P>

			</TD>

			<TD WIDTH=129 BGCOLOR="#e3e3e3">

				<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">EPME

				1050.5-CD-Pt-P-PAn</FONT></FONT></P>

			</TD>

			<TD WIDTH=146 BGCOLOR="#ece0d9">

				<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><I><B>Polyaniline</B></I></FONT></FONT></P>

			</TD>

		</TR>

		<TR>

			<TD WIDTH=234 BGCOLOR="#cdd5e4">

				<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><B>Combined

				Differential-Polypyrrole</B></FONT></FONT></P>

			</TD>

			<TD WIDTH=186 BGCOLOR="#dedba3">

				<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">EPME

				1050.5-CD-Au-P-PPy</FONT></FONT></P>

			</TD>

			<TD WIDTH=129 BGCOLOR="#e3e3e3">

				<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">EPME

				1050.5-CD-Pt-P-PPy</FONT></FONT></P>

			</TD>

			<TD WIDTH=146 BGCOLOR="#ece0d9">

				<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><I><B>Polypyrrole</B></I></FONT></FONT></P>

			</TD>

		</TR>

		<TR>

			<TD WIDTH=234 BGCOLOR="#cdd5e4">

				<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><B>Combined

				Differential-Poly(3-hexylthiophene)</B></FONT></FONT></P>

			</TD>

			<TD WIDTH=186 BGCOLOR="#dedba3">

				<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">EPME

				1050.5-CD-Au-P-PTh</FONT></FONT></P>

			</TD>

			<TD WIDTH=129 BGCOLOR="#e3e3e3">

				<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">EPME

				1050.5-CD-Pt-P-PTh</FONT></FONT></P>

			</TD>

			<TD WIDTH=146 BGCOLOR="#ece0d9">

				<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><I><B>poly(3-hexylthiophene)</B></I></FONT></FONT></P>

			</TD>

		</TR>

		<TR>

			<TD WIDTH=234 BGCOLOR="#cdd5e4">

				<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><B>Fully

				Differential-Polyaniline</B></FONT></FONT></P>

			</TD>

			<TD WIDTH=186 BGCOLOR="#dedba3">

				<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">EPME

				1050.5-FD-Au-P-PAn</FONT></FONT></P>

			</TD>

			<TD WIDTH=129 BGCOLOR="#e3e3e3">

				<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">EPME

				1050.5-FD-Pt-P-PAn</FONT></FONT></P>

			</TD>

			<TD WIDTH=146 BGCOLOR="#ece0d9">

				<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><I><B>Polyaniline</B></I></FONT></FONT></P>

			</TD>

		</TR>

		<TR>

			<TD WIDTH=234 BGCOLOR="#cdd5e4">

				<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><B>Fully

				Differential-Polypyrrole</B></FONT></FONT></P>

			</TD>

			<TD WIDTH=186 BGCOLOR="#dedba3">

				<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">EPME

				1050.5-FD-Au-P-PPy</FONT></FONT></P>

			</TD>

			<TD WIDTH=129 BGCOLOR="#e3e3e3">

				<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">EPME

				1050.5-FD-Pt-P-PPy</FONT></FONT></P>

			</TD>

			<TD WIDTH=146 BGCOLOR="#ece0d9">

				<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><I><B>Polypyrrole</B></I></FONT></FONT></P>

			</TD>

		</TR>

		<TR>

			<TD WIDTH=234 BGCOLOR="#cdd5e4">

				<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><B>Fully

				Differential-Poly(3-hexylthiophene)</B></FONT></FONT></P>

			</TD>

			<TD WIDTH=186 BGCOLOR="#dedba3">

				<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">EPME

				1050.5-FD-Au-P-PTh</FONT></FONT></P>

			</TD>

			<TD WIDTH=129 BGCOLOR="#e3e3e3">

				<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">EPME

				1050.5-FD-Pt-P-PTh</FONT></FONT></P>

			</TD>

			<TD WIDTH=146 BGCOLOR="#ece0d9">

				<P ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt"><I><B>poly(3-hexylthiophene)</B></I></FONT></FONT></P>

			</TD>

		</TR>

</TABLE>

</CENTER>

<TABLE WIDTH=650 BORDER=0 CELLPADDING=2 CELLSPACING=2>

		<TR>

			<TD width="216" HEIGHT=22>

				<P ALIGN=CENTER><A HREF="#introduction"><FONT SIZE=1 STYLE="font-size: 8pt">Introduction

				and Background</FONT></A></P>

		  </TD>

			<TD width="317">

				<P ALIGN=CENTER><A HREF="#applications"><FONT SIZE=1 STYLE="font-size: 8pt">Applications

				of EPMEs</FONT></A></P>

			

				<P ALIGN=CENTER><A HREF="#specifications"><FONT SIZE=1 STYLE="font-size: 8pt">Technical

				Specifications</FONT></A></P>

			

				<P ALIGN=CENTER><A HREF="#methods"><FONT SIZE=1 STYLE="font-size: 8pt">Methods</FONT></A></P>

			

				<P ALIGN=CENTER><A HREF="#appnotes"><FONT SIZE=1 STYLE="font-size: 8pt">Application

				Notes</FONT></A></P>

		  </TD>

			<TD width="97">

				<P ALIGN=CENTER><A HREF="pricelist.html#epmes"><FONT SIZE=1 STYLE="font-size: 8pt">Price

				List</FONT></A></P>

		  </TD>

		</TR>

</TABLE>

</CENTER>

<HR>



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			<TD WIDTH=100%>

				<P><A NAME="introduction"></A><IMG SRC="gifs/tbullet.gif" NAME="Graphic1" ALIGN=BOTTOM WIDTH=12 HEIGHT=12 BORDER=0>

				<B>Introduction and Background</B></P>

				<UL>

					<P STYLE="margin-bottom: 0in"></P>

					<P STYLE="margin-bottom: 0in"><FONT FACE="arial"><FONT SIZE=1 STYLE="font-size: 8pt"><B><FONT COLOR="#00af00">&Oslash;</FONT></B></FONT></FONT><FONT STYLE="font-size: 8pt">

					<span class="style3">EPMEs comprise fully contiguous and specifically

					adhered (via covalent bond formation) thin films of

					electroconductive polymers fabricated on inert interdigitated

					microsensor electrode array devices (IMEs). These EPME devices

					serve as chemically sensitive solid-state transducers in various

					chemical and biological sensors and as gas/vapor sensors.</span></FONT></P>

					<P class="style3" STYLE="margin-bottom: 0in"><B><FONT COLOR="#00af00">&Oslash;

					</FONT></B>EPMEs are your direct means for the simultaneous

					measurement of the electrical conductivity (conductimetric

					sensor), electrode potential (potentiometric sensor), and

					current (amperometric sensor) of thin, electroconductive polymer

					films on <A HREF="imes.html">IME

					devices</A>. With the

					associated Electroconductive Polymer Sensor Interrogation System

					(EPSIS 240II CS), you are provided with the computerized sensor

					interrogation and data acquisition hardware for the simultaneous

					study of the electrochemical and electrical characteristics of

					the electroactive polymer films - electroconductive polymer

					sensor technology.</P>

					<P class="style3" STYLE="margin-bottom: 0in"><B><FONT COLOR="#00af00">&Oslash;

					</FONT></B>Microfabricated from magnetron

					sputter-deposited gold or e-gun vapor-deposited platinum, these

					devices are supplied with three possible proprietary

					formulations of electroconductive polymers - polyaniline,

					polypyrole and poly(3-hexylthiophene).</P>

					<P class="style3" STYLE="margin-bottom: 0in">Only

					10 mincron line and space dimensions are available for the EPME

					devices. However, our three device configurations are available;

					Monolith (M), Combined Differential (CD), and Full Differential

					(FD). The EPME is 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.</P>

					<P class="style3" STYLE="margin-bottom: 0in"><B><FONT COLOR="#00af00">&Oslash;

					</FONT></B>EPME transducers possessing surface-available

					carboxylic acid (-COOH), primary amine (-NH2), primary alcohol

					(-OH), or free sulfhydryl (thiol) (-SH) groups for the specific

					attachment and immobilization of biologically active

					polypeptides, enzymes, antibodies, enzyme-linked antibodies, DNA

					fragments, as well as inorganic and other indicator molecules

					may also be obtained under our <A HREF="babs.html">Bioanalytical

					Biosensors</A>

					product line or under joint product development contract.  </P>
				</UL>

				<P class="style3" STYLE="margin-bottom: 0in">&nbsp;</P>

				<P><span class="style3"><A HREF="#top"><FONT face-arial>Back to Top</FONT></A></span></P>

				<HR>

				<H3><A NAME="applications"></A><IMG SRC="gifs/tbullet.gif" NAME="Graphic2" ALIGN=BOTTOM WIDTH=12 HEIGHT=12 BORDER=0>

				  <span class="style3">Applications of EPMEs</span></H3>

				<P class="style3"><A HREF="news.html">Applications

				of EPMEs</A> in

				research and product development include:</P>

				<UL class="style3">

					<P STYLE="margin-bottom: 0in"><B><FONT COLOR="#00af00">&Oslash;

					 </FONT>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.<BR>
					<BR>
					</P>

					<P STYLE="margin-bottom: 0in"><B><FONT COLOR="#00af00">&Oslash;

					 </FONT>In volatile organic compound (VOC) sensor research and

					development:</B> The ability of these polymer films to

					reversibly absorb and desorp organic vapors from within their

					microstructure with simultaneous change in electrical

					conductivity makes these sensors well suited for the development

					of VOC probes.<BR>
					<BR>
					</P>

					<P><B><FONT COLOR="#00af00">&Oslash;

					</FONT>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.</P>
				</UL>

				<P class="style3"><A HREF="#top"><FONT face-arial>Back to Top</FONT></A></P>

				<HR>

				<H3 class="style3"><A NAME="specifications"></A><IMG SRC="gifs/tbullet.gif" NAME="Graphic3" ALIGN=BOTTOM WIDTH=12 HEIGHT=12 BORDER=0>

				  Technical Specifications</H3>

				<P class="style3"><B><FONT COLOR="#00af00">&Oslash; </FONT>Chip

				Substrate: Schott D263 Borosilicate Glass</B></P>

				<BLOCKQUOTE class="style3">Dielectric

				Constant, Epsilon(r) at 1 MHz = 6.7</BLOCKQUOTE>

				<BLOCKQUOTE class="style3">Dielectric

				Loss Angle, tan delta, at 1 MHz = 61 x 10<SUP>-4</SUP></BLOCKQUOTE>

				<BLOCKQUOTE class="style3">Electrical

				Resistivity (50 Hz) (250 C) = 1.6 x 108 ohm cm</BLOCKQUOTE>

				<BLOCKQUOTE class="style3">Coefficient

				of Linear Thermal Expansion, * 20-300 = 7.2 x 10<SUP>-6</SUP> K<SUP>-1</SUP></BLOCKQUOTE>

				<BLOCKQUOTE class="style3">Refractive

				Index at 20 C, ne ( Lambda = 546.1 nm) = 1.5249</BLOCKQUOTE>

				<P class="style3"><B><FONT COLOR="#00af00">&Oslash;

				</FONT>Metallization: 100 &Aring; Ti / 1000 &Aring; Au or P</B>t</P>

				<BLOCKQUOTE class="style3">Digit

				length, d, (microns) = 4,985</BLOCKQUOTE>

				<BLOCKQUOTE class="style3">No.

				of digit pairs per sensor, N = 50</BLOCKQUOTE>

				<BLOCKQUOTE class="style3">Digit

				Width, a, (microns) = 10</BLOCKQUOTE>

				<BLOCKQUOTE class="style3">Interdigit

				Space, a, (microns) = 10</BLOCKQUOTE>

				<BLOCKQUOTE class="style3">Spatial

				Periodicity, lambda, (microns) = 40</BLOCKQUOTE>

				<BLOCKQUOTE class="style3">Zaretsky

				Meander Length, M, (cm) = 24.93 cm</BLOCKQUOTE>

				<BLOCKQUOTE class="style3">Center

				Line or Serpentine Length (cm) = 49.55 cm</BLOCKQUOTE>

				<BLOCKQUOTE class="style3">Cell

				Constant (cm<SUP>-1</SUP>) = 0.040 cm<SUP>-1</SUP></BLOCKQUOTE>

				<P class="style3"><B><FONT COLOR="#00af00">&Oslash;

				</FONT>IME Chip Dimensions <I>(l x w x t</I>) for the Un-packaged

				Die (EPME devices are available in FD design only)</B></P>

				<BLOCKQUOTE class="style3">Full

				Differential, FD = 1.75 x 1.00 x 0.05 cm</BLOCKQUOTE>

				<P class="style3"><B><FONT COLOR="#00af00">&Oslash;

				</FONT>Packaging (all EPME devices are fully packaged)</B></P>

				<BLOCKQUOTE class="style3">Electrode

				Body: Delrin</BLOCKQUOTE>

				<BLOCKQUOTE class="style3">Encapsulant:

				Epoxy header.</BLOCKQUOTE>

				<BLOCKQUOTE class="style3">Leadwires:

				28 AWG stranded copper, shielded, and PVC jacketed.</BLOCKQUOTE>

				<P class="style3"><A HREF="#top"><FONT face-arial>Back to Top</FONT></A></P>

				<HR>

				<H3 class="style3"><A NAME="methods"></A><IMG SRC="gifs/tbullet.gif" NAME="Graphic4" ALIGN=BOTTOM WIDTH=12 HEIGHT=12 BORDER=0>

				  Methods</H3>

				<P class="style3">Chemoresistance

				responses of EPME devices may be obtained form a wide assortment

				of interogation hardware. These fall into three categories.</P>

				<UL class="style3">

					<P STYLE="margin-bottom: 0in"><B><FONT COLOR="#00af00">&Oslash;

					</FONT></B>Dedicated Electroconductive Polymer Sensor

					Interrogation System (EPSIS).<BR>
					<BR>
					</P>

					<P STYLE="margin-bottom: 0in"><B><FONT COLOR="#00af00">&Oslash;

					</FONT></B>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 interfaced (commonly RS232, IEEE488, or

					USB).<BR>
					Electrometers with a computer interface (commonly

					RS232, IEEE488, or USB).<BR>
					<BR>
					</P>

					<P><B><FONT COLOR="#00af00">&Oslash;

					</FONT></B>Complex Impedance response performed with:<BR>
					Combined

					Function Generator and Lock-in Amplifier.<BR>
					Transfer Function

					Analyzers.<BR>
					AC-Impedance Analyzers.  </P>
				</UL>

				<P class="style3"><A HREF="#top"><FONT face-arial>Back to Top</FONT></A></P>

				<HR>

				<H3 class="style3"><A NAME="appnotes"></A><IMG SRC="gifs/tbullet.gif" NAME="Graphic5" ALIGN=BOTTOM WIDTH=12 HEIGHT=12 BORDER=0>

				  Application Notes</H3>

				<P class="style3">For

				further information, request Application Notes:</P>

				<BLOCKQUOTE class="style3"><B><FONT COLOR="#00af00">&Oslash;

				</FONT></B>IME1 - Interdigitated Microsensor Electrodes:

				Applications and References.</BLOCKQUOTE>

				<BLOCKQUOTE class="style3"><B><FONT COLOR="#00af00">&Oslash;

				</FONT></B>IME2 - Conductimetric Urea Biosensor Formed From

				Interdigitated Microsensor Electrodes</BLOCKQUOTE>

				<BLOCKQUOTE class="style3"><B><FONT COLOR="#00af00">&Oslash;

				</FONT></B>IME3 - Cleaning Procedures</BLOCKQUOTE>

				<P class="style1"><span class="style2"><FONT STYLE="font-size: 8pt">Electroconductive Polymer

				Microsensor Electrode (EPME<SUP>TM</SUP>) is the trade name for a

				family of non-specific sensor devices developed by ABTECH.</FONT></span></P>

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