Colorimetry

Malaria Diagnosis Using a Mobile Phone Polarized Microscope.

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Publication Date: 
Aug 25, 2015

Malaria remains a major global health burden, and new methods for low-cost, high-sensitivity, diagnosis are essential, particularly in remote areas with low-resource around the world.

Photography by Cameras Integrated in Smartphones as a Tool for Analytical Chemistry Represented by an Butyrylcholinesterase Activity Assay.

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Publication Date: 
Jun 26, 2015

Smartphones are popular devices frequently equipped with sensitive sensors and great computational ability. Despite the widespread availability of smartphones, practical uses in analytical chemistry are limited, though some papers have proposed promising applications.

Quantitative point-of-care (POC) assays using measurements of time as the readout: a new type of readout for mHealth.

Publication Date: 
Jan 28, 2015

A paper-based microfluidic device was used to quantitatively detect active enzyme analytes in samples at mid to low femtomolar levels. The device uses a hydrophobic oligomer that controls the wetting properties of the paper within the device.

Smartphone-based simultaneous pH and nitrite colorimetric determination for paper microfluidic devices.

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Publication Date: 
Oct 07, 2014

In this work, an Android application for measurement of nitrite concentration and pH determination in combination with a low-cost paper-based microfluidic device is presented.

A personalized food allergen testing platform on a cellphone.

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Publication Date: 
Jan 24, 2013

We demonstrate a personalized food allergen testing platform, termed iTube, running on a cellphone that images and automatically analyses colorimetric assays performed in test tubes toward sensitive and specific detection of allergens in food samples.

Hierarchical color correction for camera cell phone images.

Publication Date: 
Oct 30, 2008

In this paper, we propose a hierarchical color correction algorithm for enhancing the color of digital images obtained from low-quality digital image capture devices such as cell phone cameras.

HDR imaging evaluation of a NT-proBNP test with a mobile phone.

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Publication Date: 
Jan 03, 2011

The determination of NT-proBNP levels is key for the monitoring of patients with diagnosed heart failure and it is a routine measurement typically performed at health care centers, which would benefit from decentralized alternatives.

Colorimetric analysis of water and sand samples performed on a mobile phone.

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Publication Date: 
May 02, 2011

Analysis of water and sand samples was done by reflectance measurements using a mobile phone. The phone's screen served as light source and front view camera as detector.

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Smartphone based health accessory for colorimetric detection of biomarkers in sweat and saliva.

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Publication Date: 
Jul 17, 2013

The mobile health market is rapidly expanding and portable diagnostics tools offer an opportunity to decrease costs and increase the availability of healthcare. Here we present a smartphone based accessory and method for the rapid colorimetric detection of pH in sweat and saliva.

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