Mark Sprowls
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View article: A Smart System for the Contactless Measurement of Energy Expenditure
A Smart System for the Contactless Measurement of Energy Expenditure Open
Energy Expenditure (EE) (kcal/day), a key element to guide obesity treatment, is measured from CO2 production, VCO2 (mL/min), and/or O2 consumption, VO2 (mL/min). Current technologies are limited due to the requirement of wearable facial a…
View article: Integrated Sensing Systems for Monitoring Interrelated Physiological Parameters in Young and Aged Adults
Integrated Sensing Systems for Monitoring Interrelated Physiological Parameters in Young and Aged Adults Open
Acute injury to aged individuals represents a significant challenge to the global healthcare community as these injuries are frequently treated in a reactive method due to the infeasibility of frequent visits to the hospital for biometric …
View article: An Unobstructive Sensing Method for Indoor Air Quality Optimization and Metabolic Assessment within Vehicles
An Unobstructive Sensing Method for Indoor Air Quality Optimization and Metabolic Assessment within Vehicles Open
This work investigates the use of an intelligent and unobstructive sensing technique for maintaining vehicle cabin’s indoor air quality while simultaneously assessing the driver metabolic rate. CO2 accumulation patterns are of great intere…
View article: Total Iron Measurement in Human Serum With a Novel Smartphone-Based Assay
Total Iron Measurement in Human Serum With a Novel Smartphone-Based Assay Open
Background: Abnormally low or high blood iron levels are common health conditions worldwide and can seriously affect an individual's overall well-being. A low-cost point-of-care technology that measures blood iron markers with a goal of bo…
View article: Assessing metabolic rate and indoor air quality with passive environmental sensors
Assessing metabolic rate and indoor air quality with passive environmental sensors Open
The present work introduces the use of environmental sensors to assess indoor air quality (IAQ) in combination with human biometrics. The sensor array included temperature, relative humidity, carbon dioxide, and noise monitors. The array w…
View article: A Handheld, Colorimetric Optoelectronic Dynamics Analyzer for Measuring Total Ammonia of Biological Samples
A Handheld, Colorimetric Optoelectronic Dynamics Analyzer for Measuring Total Ammonia of Biological Samples Open
This paper introduces a wireless, solid-state, portable, and automated device capable of measuring the total ammonia [ammonia (NH3) and ammonium (NH4+)] levels of fluids, including biological samples. This device reliably measures the tota…