1
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Juste-Dolz A, Teixeira W, Pallás-Tamarit Y, Carballido-Fernández M, Carrascosa J, Morán-Porcar Á, Redón-Badenas MÁ, Pla-Roses MG, Tirado-Balaguer MD, Remolar-Quintana MJ, Ortiz-Carrera J, Ibañez-Echevarría E, Maquieira A, Giménez-Romero D. Real-world evaluation of a QCM-based biosensor for exhaled air. Anal Bioanal Chem 2024:10.1007/s00216-024-05407-5. [PMID: 38922434 DOI: 10.1007/s00216-024-05407-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 06/07/2024] [Accepted: 06/11/2024] [Indexed: 06/27/2024]
Abstract
The biosensor, named "virusmeter" in this study, integrates quartz crystal microbalance technology with an immune-functionalized chip to distinguish between symptomatic patients with respiratory diseases and healthy individuals by analyzing exhaled air samples. Renowned for its compact design, rapidity, and noninvasive nature, this device yields results within a 5-min timeframe. Evaluated under controlled conditions with 54 hospitalized symptomatic COVID-19 patients and 128 control subjects, the biosensor demonstrated good overall sensitivity (98.15%, 95% CI 90.1-100.0) and specificity (96.87%, 95% CI 92.2-99.1). This proof-of-concept presents an innovative approach with significant potential for leveraging piezoelectric sensors to diagnose respiratory diseases.
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Affiliation(s)
- Augusto Juste-Dolz
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain
| | - William Teixeira
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain
| | - Yeray Pallás-Tamarit
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain
| | - Mario Carballido-Fernández
- Hospital General Universitario de Castellón, Avinguda de Benicàssim, 128, 12004, Castellón de la Plana, Spain
- Universidad CEU Cardenal Herrera, Calle Grecia, 31, 12006, Castellón de la Plana, Spain
| | - Javier Carrascosa
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain
| | - Ángela Morán-Porcar
- Hospital General Universitario de Castellón, Avinguda de Benicàssim, 128, 12004, Castellón de la Plana, Spain
| | - María Ángeles Redón-Badenas
- Hospital General Universitario de Castellón, Avinguda de Benicàssim, 128, 12004, Castellón de la Plana, Spain
| | - María Gracia Pla-Roses
- Hospital General Universitario de Castellón, Avinguda de Benicàssim, 128, 12004, Castellón de la Plana, Spain
| | | | - María José Remolar-Quintana
- Hospital General Universitario de Castellón, Avinguda de Benicàssim, 128, 12004, Castellón de la Plana, Spain
| | - Jon Ortiz-Carrera
- La Fe University and Polytechnic Hospital, Avinguda de Fernando Abril Martorell, nº 106, 46026, Valencia, Spain
| | - Ethel Ibañez-Echevarría
- La Fe University and Polytechnic Hospital, Avinguda de Fernando Abril Martorell, nº 106, 46026, Valencia, Spain
| | - Angel Maquieira
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain.
- Departamento de Química, Universitat Politècnica de València, Camino de Vera s/n, 46022, Valencia, Spain.
| | - David Giménez-Romero
- Departamento de Química-Física, Universitat de València, Calle Doctor Moliner 50, 46100, Burjassot, Spain.
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2
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Shnayder NA, Grechkina VV, Trefilova VV, Kissin MY, Narodova EA, Petrova MM, Al-Zamil M, Garganeeva NP, Nasyrova RF. Ethnic Aspects of Valproic Acid P-Oxidation. Biomedicines 2024; 12:1036. [PMID: 38790997 PMCID: PMC11117587 DOI: 10.3390/biomedicines12051036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Revised: 04/29/2024] [Accepted: 05/03/2024] [Indexed: 05/26/2024] Open
Abstract
The safety of the use of psychotropic drugs, widely used in neurological and psychiatric practice, is an urgent problem in personalized medicine. This narrative review demonstrated the variability in allelic frequencies of low-functioning and non-functional single nucleotide variants in genes encoding key isoenzymes of valproic acid P-oxidation in the liver across different ethnic/racial groups. The sensitivity and specificity of pharmacogenetic testing panels for predicting the rate of metabolism of valproic acid by P-oxidation can be increased by prioritizing the inclusion of the most common risk allele characteristic of a particular population (country).
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Affiliation(s)
- Natalia A. Shnayder
- Institute of Personalized Psychiatry and Neurology, Shared Core Facilities, V.M. Bekhterev National Medical Research Centre for Psychiatry and Neurology, 192019 Saint Petersburg, Russia; (V.V.G.); (V.V.T.)
- Shared Core Facilities “Molecular and Cell Technologies”, V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, 660022 Krasnoyarsk, Russia; (E.A.N.); (M.M.P.)
| | - Violetta V. Grechkina
- Institute of Personalized Psychiatry and Neurology, Shared Core Facilities, V.M. Bekhterev National Medical Research Centre for Psychiatry and Neurology, 192019 Saint Petersburg, Russia; (V.V.G.); (V.V.T.)
| | - Vera V. Trefilova
- Institute of Personalized Psychiatry and Neurology, Shared Core Facilities, V.M. Bekhterev National Medical Research Centre for Psychiatry and Neurology, 192019 Saint Petersburg, Russia; (V.V.G.); (V.V.T.)
| | - Mikhail Ya. Kissin
- Department of Psychiatry and Addiction, I.P. Pavlov First St. Petersburg State Medical University, 197022 Saint Petersburg, Russia;
| | - Ekaterina A. Narodova
- Shared Core Facilities “Molecular and Cell Technologies”, V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, 660022 Krasnoyarsk, Russia; (E.A.N.); (M.M.P.)
| | - Marina M. Petrova
- Shared Core Facilities “Molecular and Cell Technologies”, V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, 660022 Krasnoyarsk, Russia; (E.A.N.); (M.M.P.)
| | - Mustafa Al-Zamil
- Department of Physiotherapy, Faculty of Continuing Medical Education, Peoples’ Friendship University of Russia, 117198 Moscow, Russia;
| | - Natalia P. Garganeeva
- Department of General Medical Practice and Outpatient Therapy, Siberian State Medical University, 634050 Tomsk, Russia;
| | - Regina F. Nasyrova
- Institute of Personalized Psychiatry and Neurology, Shared Core Facilities, V.M. Bekhterev National Medical Research Centre for Psychiatry and Neurology, 192019 Saint Petersburg, Russia; (V.V.G.); (V.V.T.)
- International Centre for Education and Research in Neuropsychiatry, Samara State Medical University, 443016 Samara, Russia
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3
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Das P, Marvi PK, Ganguly S, Tang XS, Wang B, Srinivasan S, Rajabzadeh AR, Rosenkranz A. MXene-Based Elastomer Mimetic Stretchable Sensors: Design, Properties, and Applications. NANO-MICRO LETTERS 2024; 16:135. [PMID: 38411801 PMCID: PMC10899156 DOI: 10.1007/s40820-024-01349-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Accepted: 01/09/2024] [Indexed: 02/28/2024]
Abstract
Flexible sensors based on MXene-polymer composites are highly prospective for next-generation wearable electronics used in human-machine interfaces. One of the motivating factors behind the progress of flexible sensors is the steady arrival of new conductive materials. MXenes, a new family of 2D nanomaterials, have been drawing attention since the last decade due to their high electronic conductivity, processability, mechanical robustness and chemical tunability. In this review, we encompass the fabrication of MXene-based polymeric nanocomposites, their structure-property relationship, and applications in the flexible sensor domain. Moreover, our discussion is not only limited to sensor design, their mechanism, and various modes of sensing platform, but also their future perspective and market throughout the world. With our article, we intend to fortify the bond between flexible matrices and MXenes thus promoting the swift advancement of flexible MXene-sensors for wearable technologies.
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Affiliation(s)
- Poushali Das
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L8, Canada
| | - Parham Khoshbakht Marvi
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L8, Canada
| | - Sayan Ganguly
- Department of Chemistry and Waterloo Institute for Nanotechnology (WIN), University of Waterloo, 200 University Ave West, Waterloo, ON, Canada
- Centre for Eye and Vision Research (CEVR), 17W Hong Kong Science Park, Shatin, Hong Kong, People's Republic of China
| | - Xiaowu Shirley Tang
- Department of Chemistry and Waterloo Institute for Nanotechnology (WIN), University of Waterloo, 200 University Ave West, Waterloo, ON, Canada
- Centre for Eye and Vision Research (CEVR), 17W Hong Kong Science Park, Shatin, Hong Kong, People's Republic of China
| | - Bo Wang
- Chair of Functional Materials, Department of Materials Science and Engineering, Saarland University, Saarbrücken, Germany
| | - Seshasai Srinivasan
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L8, Canada.
- W Booth School of Engineering Practice and Technology, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada.
| | - Amin Reza Rajabzadeh
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L8, Canada.
- W Booth School of Engineering Practice and Technology, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada.
| | - Andreas Rosenkranz
- Department for Chemical Engineering, Biotechnology and Materials, University of Chile, Santiago, Chile.
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4
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Khokhar M. Non-invasive detection of renal disease biomarkers through breath analysis. J Breath Res 2024; 18:024001. [PMID: 38099568 DOI: 10.1088/1752-7163/ad15fb] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 12/14/2023] [Indexed: 01/06/2024]
Abstract
Breath biomarkers are substances found in exhaled breath that can be used for non-invasive diagnosis and monitoring of medical conditions, including kidney disease. Detection techniques include mass spectrometry (MS), gas chromatography (GC), and electrochemical sensors. Biosensors, such as GC-MS or electronic nose (e-nose) devices, can be used to detect volatile organic compounds (VOCs) in exhaled breath associated with metabolic changes in the body, including the kidneys. E-nose devices could provide an early indication of potential kidney problems through the detection of VOCs associated with kidney dysfunction. This review discusses the sources of breath biomarkers for monitoring renal disease during dialysis and different biosensor approaches for detecting exhaled breath biomarkers. The future of using various types of biosensor-based real-time breathing diagnosis for renal failure is also discussed.
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Affiliation(s)
- Manoj Khokhar
- Department of Biochemistry, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India
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5
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Arroyo CB, Ocariz MG, Rogova O, Al-Majdoub M, Björck I, Tovar J, Spégel P. A randomized trial involving a multifunctional diet reveals systematic lipid remodeling and improvements in cardiometabolic risk factors in middle aged to aged adults. Front Nutr 2023; 10:1236153. [PMID: 37781111 PMCID: PMC10538628 DOI: 10.3389/fnut.2023.1236153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 08/31/2023] [Indexed: 10/03/2023] Open
Abstract
Background A multifunctional diet (MFD) combining foods and ingredients with proven functional properties, such as fatty fish and fiber-rich foods, among others, was developed and shown to markedly reduce cardiometabolic risk-associated factors. Objective Here, we aim at examining metabolic physiological changes associated with these improvements. Methods Adult overweight individuals without other risk factors were enrolled in an 8-week randomized controlled intervention following a parallel design, with one group (n = 23) following MFD and one group (n = 24) adhering to a control diet (CD) that followed the caloric formula (E%) advised by the Nordic Nutritional Recommendations. Plasma metabolites and lipids were profiled by gas chromatography and ultrahigh performance liquid chromatography/mass spectrometry. Results Weight loss was similar between groups. The MFD and CD resulted in altered levels of 137 and 78 metabolites, respectively. Out of these, 83 were uniquely altered by the MFD and only 24 by the CD. The MFD-elicited alterations in lipid levels depended on carbon number and degree of unsaturation. Conclusion An MFD elicits weight loss-independent systematic lipid remodeling, promoting increased circulating levels of long and highly unsaturated lipids. Clinical trial registration https://clinicaltrials.gov/ct2/show/NCT02148653?term=NCT02148653&draw=2&rank=1, NCT02148653.
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Affiliation(s)
| | - Maider Greño Ocariz
- Centre for Analysis and Synthesis, Department of Chemistry, Lund University, Lund, Sweden
| | - Oksana Rogova
- Centre for Analysis and Synthesis, Department of Chemistry, Lund University, Lund, Sweden
| | - Mahmoud Al-Majdoub
- Unit of Molecular Metabolism, Department of Clinical Sciences in Malmö, Lund University, Malmö, Sweden
| | | | - Juscelino Tovar
- Department of Food Technology, Engineering and Nutrition, Food for Health Science Centre Lund University, Lund, Sweden
| | - Peter Spégel
- Centre for Analysis and Synthesis, Department of Chemistry, Lund University, Lund, Sweden
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6
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Shawn ST, Harshman SW, Davidson CN, Lee JH, Jung AE, Parker A, Hawkins MA, Stamps BW, Pitsch RL, Martin JA. Sterilization and reuse of masks for a standardized exhaled breath collection device by autoclaving. J Breath Res 2023; 17:036006. [PMID: 37352843 DOI: 10.1088/1752-7163/ace127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 06/23/2023] [Indexed: 06/25/2023]
Abstract
Exhaled breath research has been hindered by a lack of standardization in collection and analysis methodologies. Recently, the Respiration Collector forIn VitroAnalysis (ReCIVA) sampling device has illustrated the potential to provide a consistent and convenient method for exhaled breath collection onto adsorbent media. However, the significant costs, compared to exhaled breath bags, associated with the standardized collector is believed to be the reason for limited widespread use by researchers in the exhaled breath field. For example, in addition to the sampling hardware, a single-use disposable silicon mask affixed with a filter is required for each exhaled breath collection. To reduce the financial burden, streamline device upkeep, reduce waste material, and ease the logistical burden associated with the single use masks, it is hypothesized that the consumable masks and filters could be sterilized by autoclaving for reuse. The masks were contaminated, autoclaved, and then tested for any surviving pathogens with spore strip standards and by measuring the optical density of cultures. The compound background collected when using the ReCIVA with new masks was compared to that collected with repeatedly autoclaved masks via thermal desorption gas chromatography mass spectrometry (TD-GC-MS). The capacity to block particulate matter of new filters was tested against that of autoclaved filters by introducing an aerosol and comparing pre-filter and post-filter particle counts. Finally, breath samplings were conducted with new masks and autoclaved masks to test for changes in measurements by TD-GC-MS of exogenous and endogenous compounds. The data illustrate the autoclave cycle sterilizes masks spiked with saliva to background levels (p= 0.2527). The results indicate that background levels of siloxane compounds are increased as masks are repetitively autoclaved. The data show that mask filters have significant breakthrough of 1μm particles after five repetitive autoclaving cycles compared to new filters (p= 0.0219). Finally, exhaled breath results utilizing a peppermint ingestion protocol indicate two compounds associated with peppermint, menthone and 1-Methyl-4-(1-methylethyl)-cyclohexanol, and an endogenous exhaled breath compound, isoprene, show no significant difference if sampled with a new mask or a mask autoclaved five times (p> 0.1063). Collectively, the data indicate that ReCIVA masks and filters can be sterilized via autoclave and reused. The results suggest ReCIVA mask and filter reuse should be limited to three times to limit potentially problematic background contaminants and filter dysfunction.
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Affiliation(s)
- Samuel T Shawn
- Air Force Research Laboratory, 711th Human Performance Wing/RHBBA, 2510 Fifth Street, Area B, Building 840, Wright- Patterson AFB, OH 45433, United States of America
| | - Sean W Harshman
- Air Force Research Laboratory, 711th Human Performance Wing/RHBBA, 2510 Fifth Street, Area B, Building 840, Wright- Patterson AFB, OH 45433, United States of America
| | - Christina N Davidson
- Air Force Research Laboratory, 711th Human Performance Wing/RHBBA, 2510 Fifth Street, Area B, Building 840, Wright- Patterson AFB, OH 45433, United States of America
| | - Jae Hwan Lee
- Air Force Research Laboratory, 711th Human Performance Wing/RHBBA, 2510 Fifth Street, Area B, Building 840, Wright- Patterson AFB, OH 45433, United States of America
| | - Anne E Jung
- UES Inc., 711th Human Performance Wing/RHBBA, 2510 Fifth Street, Area B, Building 840, Wright- Patterson AFB, OH 45433, United States of America
| | - Ariel Parker
- UES Inc., 711th Human Performance Wing/RHBBA, 2510 Fifth Street, Area B, Building 840, Wright- Patterson AFB, OH 45433, United States of America
| | - M Aaron Hawkins
- UES Inc., 711th Human Performance Wing/RHBBA, 2510 Fifth Street, Area B, Building 840, Wright- Patterson AFB, OH 45433, United States of America
| | - Blake W Stamps
- Air Force Research Laboratory, Materials and Manufacturing Directorate, 2977 Hobson Way, Area B, Building 653, Wright- Patterson AFB, OH 45433, United States of America
| | - Rhonda L Pitsch
- Air Force Research Laboratory, 711th Human Performance Wing/RHBBA, 2510 Fifth Street, Area B, Building 840, Wright- Patterson AFB, OH 45433, United States of America
| | - Jennifer A Martin
- Air Force Research Laboratory, Materials and Manufacturing Directorate, 2977 Hobson Way, Area B, Building 653, Wright- Patterson AFB, OH 45433, United States of America
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7
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Bhandari MP, Polaka I, Vangravs R, Mezmale L, Veliks V, Kirshners A, Mochalski P, Dias-Neto E, Leja M. Volatile Markers for Cancer in Exhaled Breath-Could They Be the Signature of the Gut Microbiota? Molecules 2023; 28:molecules28083488. [PMID: 37110724 PMCID: PMC10141340 DOI: 10.3390/molecules28083488] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 04/11/2023] [Accepted: 04/13/2023] [Indexed: 04/29/2023] Open
Abstract
It has been shown that the gut microbiota plays a central role in human health and disease. A wide range of volatile metabolites present in exhaled breath have been linked with gut microbiota and proposed as a non-invasive marker for monitoring pathological conditions. The aim of this study was to examine the possible correlation between volatile organic compounds (VOCs) in exhaled breath and the fecal microbiome by multivariate statistical analysis in gastric cancer patients (n = 16) and healthy controls (n = 33). Shotgun metagenomic sequencing was used to characterize the fecal microbiota. Breath-VOC profiles in the same participants were identified by an untargeted gas chromatography-mass spectrometry (GC-MS) technique. A multivariate statistical approach involving a canonical correlation analysis (CCA) and sparse principal component analysis identified the significant relationship between the breath VOCs and fecal microbiota. This relation was found to differ between gastric cancer patients and healthy controls. In 16 cancer cases, 14 distinct metabolites identified from the breath belonging to hydrocarbons, alcohols, aromatics, ketones, ethers, and organosulfur compounds were highly correlated with 33 fecal bacterial taxa (correlation of 0.891, p-value 0.045), whereas in 33 healthy controls, 7 volatile metabolites belonging to alcohols, aldehydes, esters, phenols, and benzamide derivatives correlated with 17 bacterial taxa (correlation of 0.871, p-value 0.0007). This study suggested that the correlation between fecal microbiota and breath VOCs was effective in identifying exhaled volatile metabolites and the functional effects of microbiome, thus helping to understand cancer-related changes and improving the survival and life expectancy in gastric cancer patients.
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Affiliation(s)
| | - Inese Polaka
- Institute of Clinical and Preventive Medicine, University of Latvia, LV-1586 Riga, Latvia
| | - Reinis Vangravs
- Institute of Clinical and Preventive Medicine, University of Latvia, LV-1586 Riga, Latvia
| | - Linda Mezmale
- Institute of Clinical and Preventive Medicine, University of Latvia, LV-1586 Riga, Latvia
- Riga East University Hospital, LV-1038 Riga, Latvia
- Faculty of Residency, Riga Stradins University, LV-1007 Riga, Latvia
| | - Viktors Veliks
- Institute of Clinical and Preventive Medicine, University of Latvia, LV-1586 Riga, Latvia
| | - Arnis Kirshners
- Institute of Clinical and Preventive Medicine, University of Latvia, LV-1586 Riga, Latvia
| | - Pawel Mochalski
- Institute of Chemistry, Jan Kochanowski University of Kielce, PL-25406 Kielce, Poland
- Institute for Breath Research, University of Innsbruck, A-6850 Dornbirn, Austria
| | - Emmanuel Dias-Neto
- Laboratory of Medical Genomics, A.C.Camargo Cancer Center, Sao Paulo 01508-010, Brazil
| | - Marcis Leja
- Institute of Clinical and Preventive Medicine, University of Latvia, LV-1586 Riga, Latvia
- Digestive Diseases Center GASTRO, LV-1079 Riga, Latvia
- Faculty of Medicine, University of Latvia, LV-1586 Riga, Latvia
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8
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Maiti KS. Non-Invasive Disease Specific Biomarker Detection Using Infrared Spectroscopy: A Review. Molecules 2023; 28:2320. [PMID: 36903576 PMCID: PMC10005715 DOI: 10.3390/molecules28052320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 02/22/2023] [Accepted: 02/22/2023] [Indexed: 03/06/2023] Open
Abstract
Many life-threatening diseases remain obscure in their early disease stages. Symptoms appear only at the advanced stage when the survival rate is poor. A non-invasive diagnostic tool may be able to identify disease even at the asymptotic stage and save lives. Volatile metabolites-based diagnostics hold a lot of promise to fulfil this demand. Many experimental techniques are being developed to establish a reliable non-invasive diagnostic tool; however, none of them are yet able to fulfil clinicians' demands. Infrared spectroscopy-based gaseous biofluid analysis demonstrated promising results to fulfil clinicians' expectations. The recent development of the standard operating procedure (SOP), sample measurement, and data analysis techniques for infrared spectroscopy are summarized in this review article. It has also outlined the applicability of infrared spectroscopy to identify the specific biomarkers for diseases such as diabetes, acute gastritis caused by bacterial infection, cerebral palsy, and prostate cancer.
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Affiliation(s)
- Kiran Sankar Maiti
- Max–Planck–Institut für Quantenoptik, Hans-Kopfermann-Straße 1, 85748 Garching, Germany; ; Tel.: +49-289-14054
- Lehrstuhl für Experimental Physik, Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching, Germany
- Laser-Forschungslabor, Klinikum der Universität München, Fraunhoferstrasse 20, 82152 Planegg, Germany
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9
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Bourgin M, Durand S, Kroemer G. Diagnostic, Prognostic and Mechanistic Biomarkers of COVID-19 Identified by Mass Spectrometric Metabolomics. Metabolites 2023; 13:metabo13030342. [PMID: 36984782 PMCID: PMC10056171 DOI: 10.3390/metabo13030342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 02/14/2023] [Accepted: 02/22/2023] [Indexed: 03/03/2023] Open
Abstract
A number of studies have assessed the impact of SARS-CoV-2 infection and COVID-19 severity on the metabolome of exhaled air, saliva, plasma, and urine to identify diagnostic and prognostic biomarkers. In spite of the richness of the literature, there is no consensus about the utility of metabolomic analyses for the management of COVID-19, calling for a critical assessment of the literature. We identified mass spectrometric metabolomic studies on specimens from SARS-CoV2-infected patients and subjected them to a cross-study comparison. We compared the clinical design, technical aspects, and statistical analyses of published studies with the purpose to identify the most relevant biomarkers. Several among the metabolites that are under- or overrepresented in the plasma from patients with COVID-19 may directly contribute to excessive inflammatory reactions and deficient immune control of SARS-CoV2, hence unraveling important mechanistic connections between whole-body metabolism and the course of the disease. Altogether, it appears that mass spectrometric approaches have a high potential for biomarker discovery, especially if they are subjected to methodological standardization.
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Affiliation(s)
- Mélanie Bourgin
- Metabolomics and Cell Biology Platforms, Institut Gustave Roussy, 94805 Villejuif, France
- Centre de Recherche des Cordeliers, Equipe Labellisée par la Ligue Contre le Cancer, Université de Paris Cité, Sorbonne Université, Inserm U1138, Institut Universitaire de France, 75005 Paris, France
- Correspondence:
| | - Sylvère Durand
- Metabolomics and Cell Biology Platforms, Institut Gustave Roussy, 94805 Villejuif, France
- Centre de Recherche des Cordeliers, Equipe Labellisée par la Ligue Contre le Cancer, Université de Paris Cité, Sorbonne Université, Inserm U1138, Institut Universitaire de France, 75005 Paris, France
| | - Guido Kroemer
- Metabolomics and Cell Biology Platforms, Institut Gustave Roussy, 94805 Villejuif, France
- Centre de Recherche des Cordeliers, Equipe Labellisée par la Ligue Contre le Cancer, Université de Paris Cité, Sorbonne Université, Inserm U1138, Institut Universitaire de France, 75005 Paris, France
- Institut du Cancer Paris CARPEM, Department of Biology, Hôpital Européen Georges Pompidou, AP-HP, 75610 Paris, France
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10
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Jenkins CL, Bean HD. Current Limitations of Staph Infection Diagnostics, and the Role for VOCs in Achieving Culture-Independent Detection. Pathogens 2023; 12:pathogens12020181. [PMID: 36839453 PMCID: PMC9963134 DOI: 10.3390/pathogens12020181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 01/19/2023] [Accepted: 01/20/2023] [Indexed: 01/26/2023] Open
Abstract
Staphylococci are broadly adaptable and their ability to grow in unique environments has been widely established, but the most common and clinically relevant staphylococcal niche is the skin and mucous membranes of mammals and birds. S. aureus causes severe infections in mammalian tissues and organs, with high morbidities, mortalities, and treatment costs. S. epidermidis is an important human commensal but is also capable of deadly infections. Gold-standard diagnostic methods for staph infections currently rely upon retrieval and characterization of the infectious agent through various culture-based methods. Yet, obtaining a viable bacterial sample for in vitro identification of infection etiology remains a significant barrier in clinical diagnostics. The development of volatile organic compound (VOC) profiles for the detection and identification of pathogens is an area of intensive research, with significant efforts toward establishing breath tests for infections. This review describes the limitations of existing infection diagnostics, reviews the principles and advantages of VOC-based diagnostics, summarizes the analytical tools for VOC discovery and clinical detection, and highlights examples of how VOC biomarkers have been applied to diagnosing human and animal staph infections.
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Affiliation(s)
- Carrie L. Jenkins
- School of Life Sciences, Arizona State University, Tempe, AZ 85287, USA
- Center for Evolution and Medicine, Arizona State University, Tempe, AZ 85287, USA
| | - Heather D. Bean
- School of Life Sciences, Arizona State University, Tempe, AZ 85287, USA
- Center for Fundamental and Applied Microbiomics, The Biodesign Institute, Tempe, AZ 85287, USA
- Correspondence:
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11
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Chung J, Akter S, Han S, Shin Y, Choi TG, Kang I, Kim SS. Diagnosis by Volatile Organic Compounds in Exhaled Breath in Exhaled Breath from Patients with Gastric and Colorectal Cancers. Int J Mol Sci 2022; 24:ijms24010129. [PMID: 36613569 PMCID: PMC9820758 DOI: 10.3390/ijms24010129] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 12/15/2022] [Accepted: 12/19/2022] [Indexed: 12/24/2022] Open
Abstract
One in three cancer deaths worldwide are caused by gastric and colorectal cancer malignancies. Although the incidence and fatality rates differ significantly from country to country, the rates of these cancers in East Asian nations such as South Korea and Japan have been increasing each year. Above all, the biggest danger of this disease is how challenging it is to recognize in its early stages. Moreover, most patients with these cancers do not present with any disease symptoms before receiving a definitive diagnosis. Currently, volatile organic compounds (VOCs) are being used for the early prediction of several other diseases, and research has been carried out on these applications. Exhaled VOCs from patients possess remarkable potential as novel biomarkers, and their analysis could be transformative in the prevention and early diagnosis of colon and stomach cancers. VOCs have been spotlighted in recent studies due to their ease of use. Diagnosis on the basis of patient VOC analysis takes less time than methods using gas chromatography, and results in the literature demonstrate that it is possible to determine whether a patient has certain diseases by using organic compounds in their breath as indicators. This study describes how VOCs can be used to precisely detect cancers; as more data are accumulated, the accuracy of this method will increase, and it can be applied in more fields.
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Affiliation(s)
- Jinwook Chung
- Biomedical Science Institute, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Salima Akter
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Sunhee Han
- Biomedical Science Institute, Kyung Hee University, Seoul 02447, Republic of Korea
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Yoonhwa Shin
- Biomedical Science Institute, Kyung Hee University, Seoul 02447, Republic of Korea
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Tae Gyu Choi
- Biomedical Science Institute, Kyung Hee University, Seoul 02447, Republic of Korea
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Insug Kang
- Biomedical Science Institute, Kyung Hee University, Seoul 02447, Republic of Korea
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
- Correspondence: (I.K.); (S.S.K.); Tel.: +82-2-961-0524 (S.S.K.)
| | - Sung Soo Kim
- Biomedical Science Institute, Kyung Hee University, Seoul 02447, Republic of Korea
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
- Correspondence: (I.K.); (S.S.K.); Tel.: +82-2-961-0524 (S.S.K.)
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12
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Tebani A, Bekri S. [The promise of omics in the precision medicine era]. Rev Med Interne 2022; 43:649-660. [PMID: 36041909 DOI: 10.1016/j.revmed.2022.07.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 07/12/2022] [Indexed: 10/15/2022]
Abstract
The rise of omics technologies that simultaneously measure thousands of molecules in a complex biological sample represents the core of systems biology. These technologies have profoundly impacted biomarkers and therapeutic targets discovery in the precision medicine era. Systems biology aims to perform a systematic probing of complex interactions in biological systems. Powered by high-throughput omics technologies and high-performance computing, systems biology provides relevant, resolving, and multi-scale overviews from cells to populations. Precision medicine takes advantage of these conceptual and technological developments and is based on two main pillars: the generation of multimodal data and their subsequent modeling. High-throughput omics technologies enable the comprehensive and holistic extraction of biological information, while computational capabilities enable multidimensional modeling and, as a result, offer an intuitive and intelligible visualization. Despite their promise, translating these technologies into clinically actionable tools has been slow. In this contribution, we present the most recent multi-omics data generation and analysis strategies and their clinical deployment in the post-genomic era. Furthermore, medical application challenges of omics-based biomarkers are discussed.
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Affiliation(s)
- A Tebani
- UNIROUEN, Inserm U1245, Department of Metabolic Biochemistry, Normandie University, CHU Rouen, 76000 Rouen, France.
| | - S Bekri
- UNIROUEN, Inserm U1245, Department of Metabolic Biochemistry, Normandie University, CHU Rouen, 76000 Rouen, France
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13
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Pham YL, Beauchamp J, Clement A, Wiegandt F, Holz O. 3D-printed mouthpiece adapter for sampling exhaled breath in medical applications. 3D Print Med 2022; 8:27. [PMID: 35943600 PMCID: PMC9364600 DOI: 10.1186/s41205-022-00150-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 06/07/2022] [Indexed: 11/10/2022] Open
Abstract
The growing use of 3D printing in the biomedical sciences demonstrates its utility for a wide range of research and healthcare applications, including its potential implementation in the discipline of breath analysis to overcome current limitations and substantial costs of commercial breath sampling interfaces. This technical note reports on the design and construction of a 3D-printed mouthpiece adapter for sampling exhaled breath using the commercial respiration collector for in-vitro analysis (ReCIVA) device. The paper presents the design and digital workflow transition of the adapter and its fabrication from three commercial resins (Surgical Guide, Tough v5, and BioMed Clear) using a Formlabs Form 3B stereolithography (SLA) printer. The use of the mouthpiece adapter in conjunction with a pulmonary function filter is appraised in comparison to the conventional commercial silicon facemask sampling interface. Besides its lower cost - investment cost of the printing equipment notwithstanding - the 3D-printed adapter has several benefits, including ensuring breath sampling via the mouth, reducing the likelihood of direct contact of the patient with the breath sampling tubes, and being autoclaveable to enable the repeated use of a single adapter, thereby reducing waste and associated environmental burden compared to current one-way disposable facemasks. The novel adapter for breath sampling presented in this technical note represents an additional field of application for 3D printing that further demonstrates its widespread applicability in biomedicine.
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Affiliation(s)
- Y Lan Pham
- Fraunhofer Institute for Process Engineering and Packaging IVV, Giggenhauser Straße 35, 85354, Freising, Germany.,Department of Chemistry and Pharmacy, Chair of Aroma and Smell Research, Friedrich-Alexander-Universität Erlangen-Nürnberg, Henkestraße 9, 91054, Erlangen, Germany
| | - Jonathan Beauchamp
- Fraunhofer Institute for Process Engineering and Packaging IVV, Giggenhauser Straße 35, 85354, Freising, Germany
| | - Alexander Clement
- Fraunhofer Institute for Toxicology and Experimental Medicine ITEM, Feodor-Lynen-Str. 15, 30625, Hannover, Germany
| | - Felix Wiegandt
- Fraunhofer Institute for Toxicology and Experimental Medicine ITEM, Feodor-Lynen-Str. 15, 30625, Hannover, Germany
| | - Olaf Holz
- Fraunhofer Institute for Toxicology and Experimental Medicine ITEM, Feodor-Lynen-Str. 15, 30625, Hannover, Germany. .,Member of the German Centre of Lung Research DZL (BREATH), Hannover, Germany.
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14
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Wei S, Wei Y, Gong Y, Chen Y, Cui J, Li L, Yan H, Yu Y, Lin X, Li G, Yi L. Metabolomics as a valid analytical technique in environmental exposure research: application and progress. Metabolomics 2022; 18:35. [PMID: 35639180 DOI: 10.1007/s11306-022-01895-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Accepted: 05/06/2022] [Indexed: 10/18/2022]
Abstract
BACKGROUND In recent years, studies have shown that exposure to environmental pollutants (e.g., radiation, heavy metal substances, air pollutants, organic pollutants) is a leading cause of human non-communicable diseases. The key to disease prevention is to clarify the harmful mechanisms and toxic effects of environmental pollutants on the body. Metabolomics is a high-sensitivity, high-throughput omics technology that can obtain detailed metabolite information of an organism. It is a crucial tool for gaining a comprehensive understanding of the pathway network regulation mechanism of the organism. Its application is widespread in many research fields such as environmental exposure assessment, medicine, systems biology, and biomarker discovery. AIM OF REVIEW Recent findings show that metabolomics can be used to obtain molecular snapshots of organisms after environmental exposure, to help understand the interaction between environmental exposure and organisms, and to identify potential biomarkers and biological mechanisms. KEY SCIENTIFIC CONCEPTS OF REVIEW This review focuses on the application of metabolomics to understand the biological effects of radiation, heavy metals, air pollution, and persistent organic pollutants exposure, and examines some potential biomarkers and toxicity mechanisms.
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Affiliation(s)
- Shuang Wei
- Key Laboratory of Ecological Environment and Critical Human Diseases Prevention of Hunan Province, The Hengyang Key Laboratory of Cellular Stress Biology, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Department of Education, Institute of Cytology and Genetics, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China
| | - Yuanyun Wei
- Key Laboratory of Ecological Environment and Critical Human Diseases Prevention of Hunan Province, The Hengyang Key Laboratory of Cellular Stress Biology, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Department of Education, Institute of Cytology and Genetics, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China
| | - Yaqi Gong
- Key Laboratory of Ecological Environment and Critical Human Diseases Prevention of Hunan Province, The Hengyang Key Laboratory of Cellular Stress Biology, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Department of Education, Institute of Cytology and Genetics, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China
| | - Yonglin Chen
- Key Laboratory of Ecological Environment and Critical Human Diseases Prevention of Hunan Province, The Hengyang Key Laboratory of Cellular Stress Biology, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Department of Education, Institute of Cytology and Genetics, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China
| | - Jian Cui
- Hengyang Medical School, The First Affiliated Hospital, University of South China, Hengyang, 421001, Hunan, China
| | - Linwei Li
- Hengyang Medical School, The Second Affiliated Hospital, University of South China, Hengyang, 421001, Hunan, China
| | - Hongxia Yan
- Hengyang Medical School, The Second Affiliated Hospital, University of South China, Hengyang, 421001, Hunan, China
| | - Yueqiu Yu
- Key Laboratory of Ecological Environment and Critical Human Diseases Prevention of Hunan Province, The Hengyang Key Laboratory of Cellular Stress Biology, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Department of Education, Institute of Cytology and Genetics, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China
| | - Xiang Lin
- Key Laboratory of Ecological Environment and Critical Human Diseases Prevention of Hunan Province, The Hengyang Key Laboratory of Cellular Stress Biology, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Department of Education, Institute of Cytology and Genetics, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China
| | - Guoqing Li
- Key Laboratory of Ecological Environment and Critical Human Diseases Prevention of Hunan Province, The Hengyang Key Laboratory of Cellular Stress Biology, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Department of Education, Institute of Cytology and Genetics, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China
| | - Lan Yi
- Key Laboratory of Ecological Environment and Critical Human Diseases Prevention of Hunan Province, The Hengyang Key Laboratory of Cellular Stress Biology, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Department of Education, Institute of Cytology and Genetics, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China.
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15
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Holz O, van Vorstenbosch R, Günther F, Schuchardt S, Trinkmann F, van Schooten FJ, Smolinska A, Hohlfeld J. Changes of breath volatile organic compounds in healthy volunteers following segmental and inhalation endotoxin challenge. J Breath Res 2022; 16. [PMID: 35366648 DOI: 10.1088/1752-7163/ac6359] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 04/01/2022] [Indexed: 11/11/2022]
Abstract
Background It is still unclear how airway inflammation affects the breath volatile organic compounds (VOC) profile in exhaled air. We therefore analyzed breath following well-defined pulmonary endotoxin (lipopolysaccharide, LPS) challenges. Methods Breath was collected from 10 healthy non-smoking subjects at eight time points before and after segmental and whole lung LPS inhalation challenge. Four Tenax-TA® adsorption tubes were simultaneously loaded from an aluminum reservoir cylinder and independently analyzed by two research groups using gas chromatography - mass spectrometry. Airway inflammation was assessed in bronchoalveolar lavage (BAL) and in sputum after segmental and inhaled LPS challenge, respectively. Results Segmental LPS challenge significantly increased the median (interquartile range, IQR) percentage of neutrophils in BAL from 3.0 (4.2) % to 64.0 (7.3) %. The inhalation challenge increased sputum neutrophils from 33.9 (26.8) % to 78.3 (13.5) %. We observed increases in breath aldehydes at both time points after segmental and inhaled LPS challenge. These results were confirmed by an independent laboratory. The longitudinal breath analysis also revealed distinct VOC patterns related to environmental exposures, clinical procedures, and to metabolic changes after food intake. Conclusions Changes in breath aldehydes suggest a relationship to LPS induced inflammation compatible with lipid peroxidation processes within the lung. Findings from our longitudinal data highlight the need for future studies to better consider the potential impact of the multiple VOCs from detergents, hygiene or lifestyle products a subject is continuously exposed to. We suspect that this very individual "owncloud" exposure is contributing to an increased variability of breath aldehydes, which might limit a use as inflammatory markers in daily clinical practice.
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Affiliation(s)
- Olaf Holz
- Clinical Airway Research, Fraunhofer Institute for Toxicology and Experimental Medicine ITEM, Feodor-Lynen-Str. 15, Hannover, 30625, GERMANY
| | | | - Frank Günther
- Bio- and Environmental Analytics, Fraunhofer Institute for Toxicology and Experimental Medicine ITEM, Feodor-Lynen-Str. 15, Hannover, 30625, GERMANY
| | - Sven Schuchardt
- Bio- and Environmental Analytics, Fraunhofer-Institut fur Toxikologie und Experimentelle Medizin, Feodor-Lynen-Str. 15, Hannover, Niedersachsen, 30625, GERMANY
| | - Frederik Trinkmann
- Pneumology and Critical Care Medicine, Thoraxklinik at University Hospital Heidelberg, Röntgenstraße 1, Heidelberg, 69126, GERMANY
| | - Frederik Jan van Schooten
- Department of Toxicology, University of Maastricht, Universiteitssingel 50, THE NETHERLANDS, Maastricht, 6229 ER, NETHERLANDS
| | - Agnieszka Smolinska
- Toxicology Department, Maastricht University, Universiteitssingel 50, Maastricht, 6229 ER, NETHERLANDS
| | - Jens Hohlfeld
- ITEM, Fraunhofer Institute for Toxicology and Experimental Medicine, Nikolai-Fuchs-Str. 1, Hannover, 30625, GERMANY
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16
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Wasilewski T, Brito NF, Szulczyński B, Wojciechowski M, Buda N, Melo ACA, Kamysz W, Gębicki J. Olfactory Receptor-based Biosensors as Potential Future Tools in Medical Diagnosis. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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17
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Sha MS, Maurya MR, Geetha M, Kumar B, Abdullah AM, Sadasivuni KK. A Smart Colorimetric Platform for Detection of Methanol, Ethanol and Formic Acid. SENSORS (BASEL, SWITZERLAND) 2022; 22:618. [PMID: 35062579 PMCID: PMC8780487 DOI: 10.3390/s22020618] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 01/05/2022] [Accepted: 01/08/2022] [Indexed: 02/04/2023]
Abstract
Carbon dioxide (CO2) is a greenhouse gas in the atmosphere and scientists are working on converting it to useful products, thereby reducing its quantity in the atmosphere. For converting CO2, different approaches are used, and among them, electrochemistry is found to be the most common and more efficient technique. Current methods for detecting the products of electrochemical CO2 conversion are time-consuming and complex. To combat this, a simple, cost-effective colorimetric method has been developed to detect methanol, ethanol, and formic acid, which are formed electrochemically from CO2. In the present work, the highly efficient sensitive dyes were successfully established to detect these three compounds under optimized conditions. These dyes demonstrated excellent selectivity and showed no cross-reaction with other products generated in the CO2 conversion system. In the analysis using these three compounds, this strategy shows good specificity and limit of detection (LOD, ~0.03-0.06 ppm). A cost-effective and sensitive Internet of Things (IoT) colorimetric sensor prototype was developed to implement these dyes systems for practical and real-time application. Employing the dyes as sensing elements, the prototype exhibits unique red, green, and blue (RGB) values upon exposure to test solutions with a short response time of 2 s. Detection of these compounds via this new approach has been proven effective by comparing them with nuclear magnetic resonance (NMR). This novel approach can replace heavy-duty instruments such as high-pressure liquid chromatography (HPLC), gas chromatography (G.C.), and NMR due to its extraordinary selectivity and rapidity.
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Affiliation(s)
- Mizaj Shabil Sha
- Center for Advanced Materials, Qatar University, Doha P.O. Box 2713, Qatar; (M.S.S.); (M.R.M.); (M.G.); (A.M.A.)
| | - Muni Raj Maurya
- Center for Advanced Materials, Qatar University, Doha P.O. Box 2713, Qatar; (M.S.S.); (M.R.M.); (M.G.); (A.M.A.)
| | - Mithra Geetha
- Center for Advanced Materials, Qatar University, Doha P.O. Box 2713, Qatar; (M.S.S.); (M.R.M.); (M.G.); (A.M.A.)
| | - Bijandra Kumar
- Department of Technology, Elizabeth City State University, Elizabeth City, NC 27909, USA;
| | - Aboubakr M. Abdullah
- Center for Advanced Materials, Qatar University, Doha P.O. Box 2713, Qatar; (M.S.S.); (M.R.M.); (M.G.); (A.M.A.)
| | - Kishor Kumar Sadasivuni
- Center for Advanced Materials, Qatar University, Doha P.O. Box 2713, Qatar; (M.S.S.); (M.R.M.); (M.G.); (A.M.A.)
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18
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Sha MS, Maurya MR, Chowdhury MEH, Muthalif AGA, Al-Maadeed S, Sadasivuni KK. A smartphone-interfaced, low-cost colorimetry biosensor for selective detection of bronchiectasis via an artificial neural network. RSC Adv 2022; 12:23946-23955. [PMID: 36128540 PMCID: PMC9414259 DOI: 10.1039/d2ra03769f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Accepted: 08/09/2022] [Indexed: 12/03/2022] Open
Abstract
Exhaled breath (EB) contains several macromolecules that can be exploited as biomarkers to provide clinical information about various diseases. Hydrogen peroxide (H2O2) is a biomarker because it indicates bronchiectasis in humans. This paper presents a non-invasive, low-cost, and portable quantitative analysis for monitoring and quantifying H2O2 in EB. The sensing unit works on colorimetry by the synergetic effect of eosin blue, potassium permanganate, and starch-iodine (EPS) systems. Various sampling conditions like pH, response time, concentration, temperature and selectivity were examined. The UV-vis absorption study of the assay showed that the dye system could detect as low as ∼0.011 ppm levels of H2O2. A smart device-assisted detection unit that rapidly detects red, green and blue (RGB) values has been interfaced for practical and real-time application. The RGB value-based quantification of the H2O2 level was calibrated against NMR spectroscopy and exhibited a close correlation. Further, we adopted a machine learning approach to predict H2O2 concentration. For the evaluation, an artificial neural network (ANN) regression model returned 0.941 R2 suggesting its great prospect for discrete level quantification of H2O2. The outcomes exemplified that the sensor could be used to detect bronchiectasis from exhaled breath. Detection of bronchiectasis from exhaled breath.![]()
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Affiliation(s)
- Mizaj Shabil Sha
- Center for Advanced Materials, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Muni Raj Maurya
- Center for Advanced Materials, Qatar University, P.O. Box 2713, Doha, Qatar
| | | | - Asan G. A. Muthalif
- Department of Mechanical and Industrial Engineering, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Somaya Al-Maadeed
- Department of Computer Science and Engineering, Qatar University, P.O. Box 2713, Doha, Qatar
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