Home > Biological Detection > Technology > Immunological > Lateral Flow/ Hand Held Immunoassay

Immunosensor devices are usually manufactured in the form of a test strip and use the specific interaction of target protein and antibodies to elicit a color deposition when the two interact. The devices operate on the principal of lateral flow immunochromatography in which the various background components are separated across an absorbent membrane into discrete regions. These devices allow for rapid presumptive identification of both biological organisms and toxins in 15 minutes or less and require minimal training. No sample preparation is required. Results may be read visually, although strip reading devices can be used to improve consistency of analysis. The devices are disposable, contain no moving parts, have a long shelf life, and operate in a wide range of temperatures. There are well-validated devices for numerous BW targets. Unlike nucleic acid based detection devices, the immunoassays have the ability to directly detect toxins. A disadvantage is that the devices are typically not as sensitive as molecular based detection devices, and they only provide qualitative, not quantitative data.

Manufacturer
20/20 BioResponse (1)
AdVnt Biotechnologies (2)
Alexeter Technologies LLC (4)
ANP Technologies, Inc. (1)
BBI Detection (1)
BioDetection Instruments (BDI) (1)
BioTech International, Inc. (1)
Cellmic, LLC (1)
Environics Oy (3)
Field Forensics, Inc. (1)
GenPrime, Inc. (2)
HazChem, LLC (2)
Haztech Systems, Inc. (1)
Macherey-Nagel, Inc. (1)
New Horizons Diagnostic Corporation (1)
PathSensors, Inc. (2)
QTL Biodetection LLC (1)
Research International, Inc. (3)
Response Biomedical Corporation (1)
Silver Lake Research Corporation (SLRC) (1)
Smiths Detection, Inc. (2)
Tetracore, Inc. (2)
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Transportability
Pocket Size (13)
Handheld (15)
Person-Portable (5)
Benchtop/Fixed (2)
Availability
Commercially Available (31)
Discontinued (4)
Unit Cost
< $100 (5)
$100 - $500 (3)
$500 - $1,000 (5)
$1,000 - $5,000 (4)
$5,000 - $10,000 (4)
$20,000 - $50,000 (2)
N/A (12)
Sample Introduction
Solid (13)
Liquid (21)
Vapor/Gas (1)
Sensitivity / Detection Limit
ppb (1)
cfu/mL (8)
µg (3)
ng (4)
copies/mL (1)
Ci (7)
Other (2)
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Aegis 1000

Aegis 1000

BioDetection Instruments (BDI)

The Aegis 1000 immunoassay has an enhanced target-analyte capture efficiency due to an extremely hig...

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BADD™ (Biowarfare Agent Detection Devices)

BADD™ (Biowarfare Agent Detection Devices)

AdVnt Biotechnologies

The BADD™ test strips employ agent-specific antibodies to identify the potential threat. After prep,...

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BioCheck Powder Screening Kit

BioCheck Powder Screening Kit

20/20 BioResponse

The BioCheck™ platform uses a biochemical dye binding approach to detect the presence of proteins in...

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Bio-Detect Test Strips

Bio-Detect Test Strips

Alexeter Technologies LLC

Alexeter Bio-Detect Test Strips are intended to screen samples for biological threats. Based on late...

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BioFlash-E System

BioFlash-E System

PathSensors, Inc.

The BioFlash-E™ biological detector combines aerosol sampling and biological identification. The ins...

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Bio-Seeq Plus

Bio-Seeq Plus

Smiths Detection, Inc.

The Bio-Seeq PLUS is a portable high-precision instrument that detects trace levels of biological wa...

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BIOSENSOR™ 2200R

BIOSENSOR™ 2200R

QTL Biodetection LLC

The BIOSENSOR™ 2200R (developed by QTL Biosystems and sold in the United States by MSA) is an automa...

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BioThreat Alert (BTA) Test Strips

BioThreat Alert (BTA) Test Strips

Tetracore, Inc.

The BTA test strip employs agent-specific antibodies to identify the potential threat. After prep, f...

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BioThreat Alert Reader

BioThreat Alert Reader

Tetracore, Inc.

Testing for 1 of the 9 key bio threats with a BioThreat Alert Strip will produce 2 red lines to indi...

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BIOTHREAT DETECTION IMASS™ DEVICE

BIOTHREAT DETECTION IMASS™ DEVICE

BBI Detection

The Biothreat Detection IMASS™ device provides rapid testing for ‘white powder’ incidents. The devic...

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ChemPro Biological Strip Reader Module

ChemPro Biological Strip Reader Module

Environics Oy

The optional accessory is intended for reading commercial immunoassay tests applying gold- or fluore...

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Defender TSR (Strip Reader for Tetracore BTA Tickets)

Defender TSR (Strip Reader for Tetracore BTA Tickets)

Alexeter Technologies LLC

The Alexeter Technologies' Defender TSR (Test Strip Reader) is a hand-held densitometer that reads r...

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DX Series

DX Series

Cellmic, LLC

Three available models: DXALL and DXLAB are controlled via Bluetooth with a smartphone or tablet. DX...

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ENVI Assay System Gold

ENVI Assay System Gold

Environics Oy

ENVI Assay System Gold is an immunochromatographic test based on lateral flow immunoassay format in ...

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ENVI Optical Reader

ENVI Optical Reader

Environics Oy

The ChemPro Reader Module adds new functionality in the form of hand-held biological detection. It i...

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Guardian Reader

Guardian Reader

Alexeter Technologies LLC

The Alexeter Technologies' Guardian is a hand-held densitometer that reads results of the Tetracore ...

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