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Guiding Ketogenic Diet with Breath Acetone Sensors

Andreas T. Güntner, Julia F. Kompalla, Henning Landis, S. Theodore, Bettina Geidl, Noriane Sievi, Malcolm Kohler, Sotiris Pratsinis, Philipp Gerber
2018 Sensors  
Here, we introduce a compact and inexpensive breath sensor to monitor ketosis online and non-invasively.  ...  The sensor consists of Si-doped WO3 nanoparticles that detect breath acetone selectively with non-linear response characteristics in the relevant range of 1 to 66 ppm, as identified by mass spectrometry  ...  Blattmann for support with the microscopy and the Optical Materials Engineering Laboratory at ETH Zürich (D.J. Norris) for providing the SEM.  ... 
doi:10.3390/s18113655 fatcat:ek4jg7hnirdntjgja2zvr2h544

Non-Invasive Monitoring of Blood Glucose Concentration Based on Insulin Secretion Level Using NIR Spectroscopy for Diabetes Detection

2021 Medico-Legal Update  
The non-invasive NIR spectroscopy method measures glucose level with 90% accuracy compared to lab results.  ...  In this paper, we propose a non-invasive approach to estimate blood glucose accurately through NIR spectroscopy for diabetes control.  ...  [13] A wearable, minimum invasive autonomous and pseudo-continuous blood glucose monitoring.  ... 
doi:10.37506/mlu.v21i1.2491 fatcat:glrzl6mwcnbufal2bdafxvpbe4

Non-Invasive Monitoring of Blood Glucose Concentration Based on Insulin Secretion Level Using Nir Spectroscopy for Diabetes Detection

2021 Medico-Legal Update  
The non-invasive NIR spectroscopy method measures glucose level with 90% accuracy compared to lab results.  ...  In this paper, we propose a non-invasive approach to estimate blood glucose accurately through NIR spectroscopy for diabetes control.  ...  [13] A wearable, minimum invasive autonomous and pseudo-continuous blood glucose monitoring.  ... 
doi:10.37506/mlu.v21i2.2716 fatcat:cxhdm2pyrjgo3gpr6fqtg2bdi4

Integrated real time bowel sound detector for artificial pancreas systems

Khandaker A. Al Mamun, Nicole McFarlane
2016 Sensing and Bio-Sensing Research  
The system can aid in improving long term diabetic patient care and consists of a front end detector and signal processing unit.  ...  The front end detector transduces the initial bowel sound recorded from a piezoelectric sensor into a voltage signal.  ...  This chip was used to teach a course in mixed signal VLSI design.  ... 
doi:10.1016/j.sbsr.2016.01.004 fatcat:xne76xkdcvdutci4w3jqdrsswe

Everything You Wanted to Know About Noninvasive Glucose Measurement and Control [article]

Prateek Jain, Amit M. Joshi, Saraju Mohanty
2021 arXiv   pre-print
To fulfill the imperatives for non-invasive blood glucose monitoring system, there is a need to configure an accurate measurement device.  ...  The paper presents the extensive review of glucose measurement techniques. The paper covers various non-invasive glucose methods and its control with smart healthcare technology.  ...  This is a wearable microsystem for the continuous monitoring of the blood glucose. It's a minimally invasive method for the glucose monitoring.  ... 
arXiv:2101.08996v2 fatcat:47242ebgbjb4datsri7khmzj5u

Biomedical sensors using optical fibres

Anna Grazia Mignani, Francesco Baldini
1996 Reports on progress in physics (Print)  
In the past few years, research programmes and also the market for fibre sensors have assumed a relevant role.  ...  The capabilities of these sensors are generally enhanced when a bulk-optical configuration is replaced by optical fibre technology.  ...  A short length of heavy metal-doped optical fibre coupled to a radiation resistant fibre is an optimal system for the continuous monitoring of radiation dosage in both invasive and non-invasive applications  ... 
doi:10.1088/0034-4885/59/1/001 fatcat:utplrclzwrbj7gher7mrbgwwje

Real-time multi-ion-monitoring front-end with interference compensation by Multi-Output Support Vector Regressor

Mandresy Ivan Nyhanitra, Francesca Criscuolo, Sandro Carrara, Giovanni De Micheli
2021 IEEE Transactions on Biomedical Circuits and Systems  
The front-end interface is characterized through a sensor array built with screen-printed electrodes.  ...  Within a real-time multi-ion-monitoring task, the overall system enables the continuous monitoring and accurate determination of the four target ions activity, with an average accuracy improvement of 27.73%  ...  Citation information: DOI 10.1109/TBCAS.2021.3118945, IEEE Transactions on Biomedical Circuits and Systems  ... 
doi:10.1109/tbcas.2021.3118945 pmid:34623275 fatcat:6ka5ij4j7jfehcnqox2lo2ydnq

Detecting Vital Signs with Wearable Wireless Sensors

Tuba Yilmaz, Robert Foster, Yang Hao
2010 Sensors  
In this paper, recent progress in non-invasive monitoring technologies for chronic disease management is reviewed.  ...  Wearable monitoring systems can provide continuous physiological data, as well as better information regarding the general health of individuals.  ...  A non-invasive continuous self-monitoring system is key to improve the management of diabetes.  ... 
doi:10.3390/s101210837 pmid:22163501 pmcid:PMC3231103 fatcat:swkvzy67jfbapjrnugyyqp2gqm

Innovative IoT Solutions and Wearable Sensing Systems for Monitoring Human Biophysical Parameters: A Review

Roberto De Fazio, Massimo De Vittorio, Paolo Visconti
2021 Electronics  
This paper reports, at first, a comprehensive overview of innovative sensing systems for monitoring biophysical and psychophysical parameters, all suitable for integration with wearable or portable accessories  ...  monitoring services and intelligent inferring systems.  ...  Haxha et al. developed a non-invasive glucose-monitoring system based on spectroscopy.  ... 
doi:10.3390/electronics10141660 fatcat:7eweorw6f5el7ko2evh4y3valy

Mid-Infrared Photoacoustic Detection of Glucose in Human Skin: Towards Non-Invasive Diagnostics

Jonas Kottmann, Julien Rey, Markus Sigrist
2016 Sensors  
Diabetes mellitus is a widespread metabolic disease without cure. Great efforts are being made to develop a non-invasive monitoring of the blood glucose level.  ...  ., there is no fully non-invasive monitoring device available. Here we present a new study based on mid-infrared spectroscopy and photoacoustic detection.  ...  Acknowledgments: The authors gratefully acknowledge the financial support from GlucoMetrix NIB & Non invasive Diagnostics GmbH, Potsdam, Germany, and ETH Zurich, Switzerland.  ... 
doi:10.3390/s16101663 pmid:27735878 pmcid:PMC5087451 fatcat:ejnlhrlacfa5fbnw53yb4cbhx4

Cellphone-based devices for bioanalytical sciences

Sandeep Kumar Vashist, Onur Mudanyali, E. Marion Schneider, Roland Zengerle, Aydogan Ozcan
2013 Analytical and Bioanalytical Chemistry  
During the last decade, there has been a rapidly growing trend toward the use of cellphone-based devices (CBDs) in bioanalytical sciences.  ...  Published in the topical collection Multiplex Platforms in Diagnostics and Bioanalytics with guest editors Günter Peine and Günther Proll.  ...  acknowledge various clinicians working in the field of intensive care for their intellectual support toward this review of future applications of smartphone based diagnostics tools to facilitate better patient monitoring  ... 
doi:10.1007/s00216-013-7473-1 pmid:24287630 pmcid:PMC4024356 fatcat:6kufhdvsljfqrd5ujsz23r6ilu

Latest Progresses in Developing Wearable Monitoring and Therapy Systems for Managing Chronic Diseases [article]

Han Gui, Jing Liu
2018 arXiv   pre-print
Owing to the portability and continuous action, wearable devices are regarded as promising ways for management and rehabilitation of patients with chronic diseases.  ...  Although the monitoring functions of mobile health care are in full swing, the research direction along wearable therapy devices has not been paid with enough attention.  ...  EEG is a non-invasive method for measuring brain activity.  ... 
arXiv:1802.01747v1 fatcat:c5fhqkexcnfdpjwnzi7xnv5z5i

Recent Development in Optical Fiber Biosensors

María Bosch, Antonio Sánchez, Fuensanta Rojas, Catalina Ojeda
2007 Sensors  
Thus, the near-infrared region of the spectrum is the most favourable to the optical measurement of these parameters, so that NIRS provides a non-invasive, non-ionizing means to monitor total haemoglobin  ...  The phase detector is connected to the oxygen sensor membrane and allows real-time continuous monitoring of the phosphorescence phase shift.  ... 
doi:10.3390/s7060797 fatcat:k65hlnigx5cs7aam3b7fmeks7m

Front Matter: Volume 9655

2015 Fifth Asia-Pacific Optical Sensors Conference  
SPIE uses a six-digit CID article numbering system in which: The first four digits correspond to the SPIE volume number.  ...  The last two digits indicate publication order within the volume using a Base 36 numbering system employing both numerals and letters.  ...  sensors [9655-197] 9655 0M Pressure sensing of Fabry-Perot interferometer with a microchannel demodulated by a FBG [9655-199] 9655 0N A hybrid fiber optic sensor system for condition monitoring  ... 
doi:10.1117/12.2203414 fatcat:pyc3tntygnbolb5ob5uhsvlvmq

Biopotential Signal Monitoring Systems in Rehabilitation: A Review

Arrigo Palumbo, Patrizia Vizza, Barbara Calabrese, Nicola Ielpo
2021 Sensors  
Moreover, a final review discussion about the analyzed solutions is also reported at the end of this paper to highlight the advantages of physiological monitoring systems in rehabilitation and individuate  ...  In this context, this paper provides a state-of-the-art review of the recent advances in electroencephalogram (EEG), electrocardiogram (ECG) and electromyogram (EMG) signal monitoring systems and sensors  ...  The system presented in [93] consists of a non-contact ECG sensor with a fully integrated analog front-end (AFE), a temperature sensor, an accelerometer and a Bluetooth Low Energy (BLE) module for multiparameter  ... 
doi:10.3390/s21217172 pmid:34770477 pmcid:PMC8587479 fatcat:sldiectsavfftha77kycn4x2ra
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