Improved Noncontact Optical Sensor for Detection of Glucose Concentration and Indication of Dehydration Level

Overview

Journal Biomed Opt Express

Specialty Radiology

Date 2014 Jun 19

PMID 24940550

Citations 11

Authors

Nisan Ozana

Nadav Arbel

Yevgeny Beiderman

Vicente Mico

Martin Sanz

Javier Garcia

Arun Anand

Baharam Javidi

Yoram Epstein

Zeev Zalevsky

Affiliations

Soon will be listed here.

Abstract

The ability to extract different bio-medical parameters from one single wristwatch device can be very applicable. The wearable device that is presented in this paper is based on two optical approaches. The first is the extraction and separation of remote vibration sources and the second is the rotation of linearly polarized light by certain materials exposed to magnetic fields. The technique is based on tracking of temporal changes of reflected secondary speckles produced in the wrist when being illuminated by a laser beam. Change in skin's temporal vibration profile together with change in the magnetic medium that is generated by time varied glucose concentration caused these temporal changes. In this paper we present experimental tests which are the first step towards an in vivo noncontact device for detection of glucose concentration in blood. The paper also shows very preliminary results for qualitative capability for indication of dehydration.

Citing Articles

Remote sensing of alcohol consumption using machine learning speckle pattern analysis.

Duadi D, Yosovich A, Beiderman M, Agdarov S, Ozana N, Beiderman Y J Biomed Opt. 2025; 30(3):037001.

PMID: 40041370 PMC: 11877390. DOI: 10.1117/1.JBO.30.3.037001.

Noninvasive blood glucose sensing by secondary speckle pattern artificial intelligence analyses.

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Non-contact optical in-vivo sensing of cilia motion by analyzing speckle patterns.

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Non-invasive blood glucose sensing by machine learning of optic fiber-based speckle pattern variation.

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The Current State of Optical Sensors in Medical Wearables.

Vavrinsky E, Esfahani N, Hausner M, Kuzma A, Rezo V, Donoval M Biosensors (Basel). 2022; 12(4).

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