Loc device with integral driver for excitation of electrochemiluminescent luminophores

a luminophores and electrochemiluminescent technology, applied in the field of diagnostic devices, can solve the problems of slow growth of this type of testing in the clinical laboratory, reduced sensitivity, and high degree of non-specific binding, and achieve the effects of convenient use, reduced sensitivity, and reduced sensitivity

Inactive Publication Date: 2011-12-22
GENEASYS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0093]The integral driver for excitation of electrochemiluminescent luminophores on the LOC device, operating from the ubiquitous USB, provides for an easily usable, mass-producible, inexpensive, compact, and light system with a small component count.
[0094]The electrochemiluminescence-based assay target detection obviates any ne...

Problems solved by technology

Insufficient stringency can result in a high degree of nonspecific binding.
Excessive stringency can lead to a failure of appropriate binding, which results in diminished sensitivity.
Despite the advantages that molecular diagnostic tests offer, the growth of this type of testing in the clinical laboratory has been slower than expected and remains a minor part of the practice of laboratory medicine.
This is primarily due to the complexity and costs associated with nucleic acid testing compared with tests ba...

Method used

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  • Loc device with integral driver for excitation of electrochemiluminescent luminophores
  • Loc device with integral driver for excitation of electrochemiluminescent luminophores
  • Loc device with integral driver for excitation of electrochemiluminescent luminophores

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Embodiment Construction

Overview

[0235]This overview identifies the main components of a molecular diagnostic system that incorporates embodiments of the present invention. Comprehensive details of the system architecture and operation are set out later in the specification.

[0236]Referring to FIGS. 1, 2, 3, 104 and 105, the system has the following top level components:

[0237]Test modules 10 and 11 are the size of a typical USB memory key and very cheap to produce. Test modules 10 and 11 each contain a microfluidic device, typically in the form of a lab-on-a-chip (LOC) device 30 preloaded with reagents and typically more than 1000 probes for the molecular diagnostic assay (see FIGS. 1 and 104). Test module 10 schematically shown in FIG. 1 uses a fluorescence-based detection technique to identify target molecules, while test module 11 in FIG. 104 uses an electrochemiluminescence-based detection technique. The LOC device 30 has an integrated photosensor 44 for fluorescence or electrochemiluminescence detection...

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Abstract

A lab-on-a-chip (LOC) device for exciting electrochemiluminescent luminophores, the LOC device having a supporting substrate, an array of electrochemiluminescent (ECL) probes for reaction with the target molecules to form probe-target complexes, the probes each having a luminophore for emitting photons of light when in an excited state, electrodes for receiving an electrical pulse to excite the luminophores with current between the electrodes, and, CMOS circuitry for controlling the electrical pulse transmitted to the electrodes, wherein, the CMOS circuitry is between the supporting substrate and the array of probes.

Description

FIELD OF THE INVENTION[0001]The present invention relates to diagnostic devices that use microsystems technologies (MST). In particular, the invention relates to microfluidic and biochemical processing and analysis for molecular diagnostics.CO-PENDING APPLICATIONS[0002]The following applications have been filed by the Applicant which relate to the present application:GBS001USGBS002USGBS003USGBS005USGBS006USGSR001USGSR002USGAS001USGAS002USGAS003USGAS004USGAS006USGAS007USGAS008USGAS009USGAS010USGAS012USGAS013USGAS014USGAS015USGAS016USGAS017USGAS018USGAS019USGAS020USGAS021USGAS022USGAS023USGAS024USGAS025USGAS026USGAS027USGAS028USGAS030USGAS031USGAS032USGAS033USGAS034USGAS035USGAS036USGAS037USGAS038USGAS039USGAS040USGAS041USGAS042USGAS043USGAS044USGAS045USGAS046USGAS047USGAS048USGAS049USGAS050USGAS054USGAS055USGAS056USGAS057USGAS058USGAS059USGAS060USGAS061USGAS062USGAS063USGAS065USGAS066USGAS067USGAS068USGAS069USGAS070USGAS080USGAS081USGAS082USGAS083USGAS084USGAS085USGAS086USGAS087USGAS...

Claims

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Application Information

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IPC IPC(8): C40B60/12
CPCB01L3/5027Y10T436/25B01L3/502738B01L7/52B01L2200/10B01L2300/023B01L2300/024B01L2300/0636B01L2300/0654B01L2300/0883B01L2300/10B01L2300/1827B01L2400/0406B01L2400/0633B01L2400/0677B01L2400/0688F16K99/003F16K99/0036G01N27/223C12Q1/68Y10T436/107497Y10T436/173845Y10T436/143333Y10T436/11Y10T436/145555Y10T436/203332Y10T436/25375B01L3/502707Y10T137/0352Y10T137/0391Y10T137/1044Y10T137/206Y10T137/2076Y10T137/2202Y02A90/10
Inventor SILVERBROOK, KIAAZIMI, MEHDI
Owner GENEASYS
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