PoC Sensors

We Design and Fabricate Electrodes for various Applications

Point of care (POC) testing is a rapidly growing field that aims to provide fast, accurate, and convenient diagnosis and monitoring of various health conditions... (Click below) 

POC testing can be performed at the bedside, in the clinic, or even at home, using portable devices that require minimal sample preparation and user intervention. POC testing can improve patient outcomes, reduce healthcare costs, and increase access to healthcare services.

One of the key components of POC testing devices is the sensor or electrode that detects the target analyte, such as glucose, cholesterol, blood gases, or infectious agents. Sensors and electrodes are responsible for converting the chemical or biological signal into an electrical signal that can be measured and processed by the device. Sensors and electrodes need to be sensitive, selective, stable, and compatible with the sample matrix and the device platform.

There are various types of sensors and electrodes that can be used for POC testing, depending on the nature of the analyte and the detection method. Some of the common types are:

- Electrochemical sensors and electrodes: These use electrochemical reactions to generate a current or a potential that is proportional to the concentration of the analyte. Electrochemical sensors and electrodes can be based on amperometry, potentiometry, voltammetry, or impedance. Examples of electrochemical sensors and electrodes are glucose oxidase electrodes for glucose monitoring, ion-selective electrodes for blood electrolytes, and biosensors for biomarkers.

- Optical sensors and electrodes: These use optical phenomena such as absorption, fluorescence, or scattering to measure the analyte. Optical sensors and electrodes can be based on colorimetry, spectrophotometry, fluorometry, or chemiluminescence. Examples of optical sensors and electrodes are enzyme-linked immunosorbent assay (ELISA) for antibodies, lateral flow immunoassay (LFIA) for antigens, and surface plasmon resonance (SPR) for molecular interactions.

- Mechanical sensors and electrodes: These use mechanical properties such as mass, force, or displacement to detect the analyte. Mechanical sensors and electrodes can be based on piezoelectricity, magnetism, or nanomechanics. Examples of mechanical sensors and electrodes are quartz crystal microbalance (QCM) for mass changes, magnetic beads for separation and detection, and nanowires for biosensing.

The development of novel sensors and electrodes for POC testing is an active area of research that involves interdisciplinary collaboration among chemistry, biology, engineering, and medicine. The challenges and opportunities for POC sensors and electrodes include improving their performance, integration, fabrication, miniaturization, multiplexing, wireless communication, and user-friendliness.

rGO Printed Electrodes

Graphene Printed Electrodes

Screen Printed Electrodes

3D Printed Electrodes

Integrated Electrodes

Laser Cutting Operations

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