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Timpel J, Klinghammer S, Riemenschneider L, Ibarlucea B, Cuniberti G, Hannig C, Sterzenbach T. Sensors for in situ monitoring of oral and dental health parameters in saliva. Clin Oral Investig 2023; 27:5719-5736. [PMID: 37698630 PMCID: PMC10560166 DOI: 10.1007/s00784-023-05206-9] [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: 04/18/2023] [Accepted: 08/11/2023] [Indexed: 09/13/2023]
Abstract
OBJECTIVES The oral cavity is an easily accessible unique environment and open system which is influenced by the oral fluids, microbiota, and nutrition. Little is known about the kinetics and dynamics of metabolic processes at the intraoral surfaces. Real-time monitoring of salivary biomarkers, e.g., glucose, lactate, fluoride, calcium, phosphate, and pH with intraoral sensors is therefore of major interest. The aim of this review is to overview the existing literature for intraoral saliva sensors. MATERIALS AND METHODS A comprehensive literature search was performed to review the most relevant studies on intraoral saliva sensor technology. RESULTS There is limited literature about the in situ saliva monitoring of salivary biomarkers. Bioadhesion and biofouling processes at the intraoral surfaces limit the performances of the sensors. Real-time, long-term, and continuous intraoral measurement of salivary metabolites remains challenging and needs further investigation as only few well-functioning sensors have been developed until today. Until now, there is no sensor that measures reliably beyond hours for any analyte other than glucose. CONCLUSIONS Saliva's complex and dynamic structure as well as bioadhesion are key challenges and should be addressed in the future developments. Consequently, more studies that focus particularly on biofouling processes and interferential effects of the salivary matrix components on sensor surfaces are required. CLINICAL RELEVANCE By monitoring fluids in the oral cavity, as the entrance to the digestive system, extensive information can be obtained regarding the effects of foods and preventive agents on the oral microbiota and the tooth surfaces. This may lead to a better understanding of strategies to modulate oral and general health.
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Affiliation(s)
- Julia Timpel
- Clinic of Operative and Pediatric Dentistry, Medical Faculty Carl Gustav Carus, Dresden University of Technology, Fetscherstraße 74, 01307, Dresden, Germany.
- Else Kröner-Fresenius Center for Digital Health (EKFZ), Dresden University of Technology, 01309, Dresden, Germany.
| | - Stephanie Klinghammer
- Else Kröner-Fresenius Center for Digital Health (EKFZ), Dresden University of Technology, 01309, Dresden, Germany
- Institute for Materials Science and Max Bergmann Center for Biomaterials, Dresden University of Technology, 01069, Dresden, Germany
| | - Leif Riemenschneider
- Else Kröner-Fresenius Center for Digital Health (EKFZ), Dresden University of Technology, 01309, Dresden, Germany
- Institute for Materials Science and Max Bergmann Center for Biomaterials, Dresden University of Technology, 01069, Dresden, Germany
| | - Bergoi Ibarlucea
- Else Kröner-Fresenius Center for Digital Health (EKFZ), Dresden University of Technology, 01309, Dresden, Germany
- Institute for Materials Science and Max Bergmann Center for Biomaterials, Dresden University of Technology, 01069, Dresden, Germany
| | - Gianaurelio Cuniberti
- Else Kröner-Fresenius Center for Digital Health (EKFZ), Dresden University of Technology, 01309, Dresden, Germany
- Institute for Materials Science and Max Bergmann Center for Biomaterials, Dresden University of Technology, 01069, Dresden, Germany
| | - Christian Hannig
- Clinic of Operative and Pediatric Dentistry, Medical Faculty Carl Gustav Carus, Dresden University of Technology, Fetscherstraße 74, 01307, Dresden, Germany
- Else Kröner-Fresenius Center for Digital Health (EKFZ), Dresden University of Technology, 01309, Dresden, Germany
| | - Torsten Sterzenbach
- Clinic of Operative and Pediatric Dentistry, Medical Faculty Carl Gustav Carus, Dresden University of Technology, Fetscherstraße 74, 01307, Dresden, Germany
- Else Kröner-Fresenius Center for Digital Health (EKFZ), Dresden University of Technology, 01309, Dresden, Germany
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Pang J, Huang Y, Liu Y, Huang W. Applications of ion chromatography in urine analysis: A review. J Chromatogr A 2023; 1706:464231. [PMID: 37517316 DOI: 10.1016/j.chroma.2023.464231] [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: 06/07/2023] [Revised: 07/17/2023] [Accepted: 07/19/2023] [Indexed: 08/01/2023]
Abstract
Ion chromatography (IC) plays a crucial role in urine analysis for diverse medical diagnoses. This paper reviews a comprehensive investigation into urine pretreatment techniques, as well as the design and development of IC systems for the measurement of various chemicals. Prior to analysis, urine samples commonly undergo pretreatment procedures such as dilution, filtration, purification, and concentration. These steps effectively eliminate interfering factors and facilitate the accurate and sensitive analysis of ultra-trace components. To separate and quantify different chemical elements or ions present in urine, a range of homemade or commercially available columns coupled with various detectors were employed. This study focuses on the analysis of chemicals such as heavy metals, halogens, pesticides, drugs, and other essential or toxic substances by IC methods.
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Affiliation(s)
- Jiafeng Pang
- Hubei Key Laboratory of Yangtze Catchment Environmental Aquatic Science, School of Environmental Studies, China University of Geosciences, Wuhan 430078, Hubei, China
| | - Yongming Huang
- Hubei Key Laboratory of Yangtze Catchment Environmental Aquatic Science, School of Environmental Studies, China University of Geosciences, Wuhan 430078, Hubei, China
| | - Yanli Liu
- Hubei Key Laboratory of Yangtze Catchment Environmental Aquatic Science, School of Environmental Studies, China University of Geosciences, Wuhan 430078, Hubei, China
| | - Weixiong Huang
- Hubei Key Laboratory of Yangtze Catchment Environmental Aquatic Science, School of Environmental Studies, China University of Geosciences, Wuhan 430078, Hubei, China.
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Mester A, Moldovan M, Cuc S, Petean I, Tomuleasa C, Piciu A, Dinu C, Bran S, Onisor F. Structural Changes in Resin-Based Composites in Saliva of Patients with Leukemia before Starting Chemotherapeutic Regimen. Polymers (Basel) 2022; 14:polym14030569. [PMID: 35160558 PMCID: PMC8839500 DOI: 10.3390/polym14030569] [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: 01/19/2022] [Revised: 01/26/2022] [Accepted: 01/27/2022] [Indexed: 11/16/2022] Open
Abstract
Background: The aim of this in vitro study was to assess the morphological characteristics and stability of dental composites immersed in saliva collected from patients with leukemia. Material and Methods: A total number of five patients without systemic disease and 20 patients with leukemia (acute lymphoblastic leukemia (ALL), acute myeloid leukemia (AML), chronic lymphocytic leukemia (CLL), and chronic myeloid leukemia (CML)) were included for saliva sampling. Composite disks were immersed in the leukemia, control, and artificial environments for 7 days. At the end of the experiment, atomic force microscopy (AFM), color stability (ΔE), and saliva elements analysis were performed. Statistical significance was considered for a p-value under 0.05. Results: The most changed surface resulted for ALL with a roughness that was almost double that of the untreated sample and was significantly increased compared to the healthy saliva. The effect of CLL was not as intense as observed for acute leukemia, but was significantly over the control. ALL seemed to modify structural components of the saliva, which were able to deteriorate the surface of the composite. ALL saliva promoted a significant dissolution of the initial feature of the samples and promoted nano-particle clusterization. All dental composites showed clinically acceptable color change values (ΔE < 3.3) in all four-leukemia salivas; CLL and CML showed large color differences for all composites. The total concentrations of P, Na, and K showed wide ranges of variations, while the coefficient of variation in Fe, Cu, and Mg showed narrow variations between the salvias’ investigated. The salivary concentration of zinc decreased considerably in the CLL and CML environments compared to the ALL and AML environments. Fe and Cu were significantly increased in the CML environment. Conclusions: Control and artificial salivas have a mild erosive effect on the surface of dental composites. The acute stage of the disease seems to deteriorate the surface roughness rather than its morphology, however, in the chronic stage, it is the surface morphology that mostly deteriorates.
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Affiliation(s)
- Alexandru Mester
- Department of Oral Health, University of Medicine and Pharmacy “Iuliu Hatieganu”, 400012 Cluj-Napoca, Romania;
| | - Marioara Moldovan
- Department of Polymer Composites, Institute of Chemistry “Raluca Ripan”, University Babes-Bolyai, 400294 Cluj-Napoca, Romania
- Correspondence: (M.M.); (S.C.); (C.D.)
| | - Stanca Cuc
- Department of Polymer Composites, Institute of Chemistry “Raluca Ripan”, University Babes-Bolyai, 400294 Cluj-Napoca, Romania
- Correspondence: (M.M.); (S.C.); (C.D.)
| | - Ioan Petean
- Faculty of Chemistry and Chemical Engineering, University Babes-Bolyai, 400294 Cluj-Napoca, Romania;
| | - Ciprian Tomuleasa
- Department of Hematology, Institute of Oncology “Ion Chiricuta”, University of Medicine and Pharmacy “Iuliu Hatieganu”, 400012 Cluj-Napoca, Romania;
| | - Andra Piciu
- Department of Medical Oncology, Institute of Oncology “Ion Chiricuta”, University of Medicine and Pharmacy “Iuliu Hatieganu”, 400012 Cluj-Napoca, Romania;
| | - Cristian Dinu
- Department of Maxillofacial Surgery and Implantology, University of Medicine and Pharmacy “Iuliu Hatieganu”, 400012 Cluj-Napoca, Romania; (S.B.); (F.O.)
- Correspondence: (M.M.); (S.C.); (C.D.)
| | - Simion Bran
- Department of Maxillofacial Surgery and Implantology, University of Medicine and Pharmacy “Iuliu Hatieganu”, 400012 Cluj-Napoca, Romania; (S.B.); (F.O.)
| | - Florin Onisor
- Department of Maxillofacial Surgery and Implantology, University of Medicine and Pharmacy “Iuliu Hatieganu”, 400012 Cluj-Napoca, Romania; (S.B.); (F.O.)
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Feron G. Unstimulated saliva: Background noise in taste molecules. J Texture Stud 2018; 50:6-18. [PMID: 30246386 DOI: 10.1111/jtxs.12369] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 09/10/2018] [Accepted: 09/11/2018] [Indexed: 12/16/2022]
Abstract
Saliva is a highly complex bodily fluid composed of many proteins, peptides, small organic molecules, and ions. Saliva is produced and secreted by the major and minor salivary glands to protect the mouth and to participate in digestion. Generally, a distinction is made between unstimulated saliva that is a result of autonomic stimulation and stimulated saliva that is produced during chewing and taste stimulation. The link between saliva and sensory perception can thus be regarded in two ways: the role of unstimulated saliva as a background taste and the mechanistic role of stimulated saliva during eating. Indeed, unstimulated saliva (and its components) is continuously bathing our oral cavity and as such stimulates our taste receptors, thus playing a role in taste sensitivity. However, the role of unstimulated salivary components in mediating taste has been studied only in very few substances. To explore this question, this review attempts to compare data from the literature on unstimulated salivary composition with those on taste sensitivity. The main conclusion centres around the concept that the gustatory self-adaptation phenomenon may be relevant for only a few salivary compounds. Further studies at the level of the salivary Von Ebner glands and salivary pellicle are necessary before arriving at definitive conclusions on this subject. PRACTICAL APPLICATION: Unstimulated saliva contains taste substances that can influence sensory perception through taste adaptation. However, large inter-individual variability exists in unstimulated salivary composition both qualitatively and quantitatively. These differences may explain the variability in taste perception and thus the food choices and behaviors of an individual. Thus, in the context of providing personalized food and nutrition to the consumer, variability of unstimulated saliva should be considered for specific formulation of food products.
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Affiliation(s)
- Gilles Feron
- Centre des Sciences du Goût et de l'Alimentation, AgroSup Dijon, CNRS, INRA, Université Bourgogne Franche-Comté, Dijon, France
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Gałęzowska G, Cieszynska-Semenowicz M, Okrągła E, Szychowska K, Wolska L. Progress in Analytical Techniques for Determination of Urine Components. SEPARATION AND PURIFICATION REVIEWS 2017. [DOI: 10.1080/15422119.2017.1281826] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Grażyna Gałęzowska
- Department of Environment Toxicology, Faculty of Health Science, Medical University of Gdansk, Gdansk, Poland
| | | | - Emilia Okrągła
- Department of Environment Toxicology, Faculty of Health Science, Medical University of Gdansk, Gdansk, Poland
| | - Katarzyna Szychowska
- Department of Environment Toxicology, Faculty of Health Science, Medical University of Gdansk, Gdansk, Poland
| | - Lidia Wolska
- Department of Environment Toxicology, Faculty of Health Science, Medical University of Gdansk, Gdansk, Poland
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Yaroshenko IS, Kartsova LA. Determination of markers of the urinary stone disease. JOURNAL OF ANALYTICAL CHEMISTRY 2015. [DOI: 10.1134/s1061934815030223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Determination of urine ionic composition with potentiometric multisensor system. Talanta 2014; 131:556-61. [PMID: 25281140 DOI: 10.1016/j.talanta.2014.08.030] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2014] [Revised: 08/06/2014] [Accepted: 08/11/2014] [Indexed: 11/20/2022]
Abstract
The ionic composition of urine is a good indicator of patient's general condition and allows for diagnostics of certain medical problems such as e.g., urolithiasis. Due to environmental factors and malnutrition the number of registered urinary tract cases continuously increases. Most of the methods currently used for urine analysis are expensive, quite laborious and require skilled personnel. The present work deals with feasibility study of potentiometric multisensor system of 18 ion-selective and cross-sensitive sensors as an analytical tool for determination of urine ionic composition. In total 136 samples from patients of Urolithiasis Laboratory and healthy people were analyzed by the multisensor system as well as by capillary electrophoresis as a reference method. Various chemometric approaches were implemented to relate the data from electrochemical measurements with the reference data. Logistic regression (LR) was applied for classification of samples into healthy and unhealthy producing reasonable misclassification rates. Projection on Latent Structures (PLS) regression was applied for quantitative analysis of ionic composition from potentiometric data. Mean relative errors of simultaneous prediction of sodium, potassium, ammonium, calcium, magnesium, chloride, sulfate, phosphate, urate and creatinine from multisensor system response were in the range 3-13% for independent test sets. This shows a good promise for development of a fast and inexpensive alternative method for urine analysis.
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Wu XL, Zhou HB, Wang SJ, Ye BX. Determination of Magnesium and Calcium in Biological Samples by Potentiometric Stripping Analysis. J CHIN CHEM SOC-TAIP 2013. [DOI: 10.1002/jccs.201000090] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Sidorova AA, Grigoriev AV. Determination of diagnostical markers of urolithiasis by capillary electrophoresis. JOURNAL OF ANALYTICAL CHEMISTRY 2012. [DOI: 10.1134/s1061934812050115] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Development of impedimetric and optical calcium biosensor by using modified gold electrode with porcine S100A12 protein. Colloids Surf B Biointerfaces 2011; 82:365-70. [DOI: 10.1016/j.colsurfb.2010.09.019] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2010] [Revised: 08/25/2010] [Accepted: 09/09/2010] [Indexed: 11/22/2022]
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Increased calcium and decreased magnesium and citrate concentrations of submandibular/sublingual saliva in sialolithiasis. Arch Oral Biol 2009; 55:15-20. [PMID: 19962126 DOI: 10.1016/j.archoralbio.2009.11.006] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2009] [Revised: 11/08/2009] [Accepted: 11/11/2009] [Indexed: 11/24/2022]
Abstract
OBJECTIVE The purpose of the present study was to investigate the electrolyte alterations of submandibular/sublingual saliva in submandibular sialolithiasis patients compared with saliva from healthy controls. DESIGN Submandibular/sublingual saliva was collected from 10 submandibular sialolithiasis patients and from 10 sex- and age-matched healthy controls. Ion chromatography was performed to determine the concentrations of inorganic cations (potassium, calcium, magnesium, and sodium), inorganic anions (chloride, phosphate, nitrate, and sulphate) and organic anions (thiocyanate, lactate, acetate, and citrate). RESULTS The calcium concentration was significantly higher in sialolithiasis patients than in controls (P<0.05). In contrast, the levels of magnesium and citrate in the saliva of sialolithiasis patients were significantly reduced compared to the values obtained in controls (P<0.05). No significant differences were detected among other ions. CONCLUSIONS Our findings indicate that saliva electrolyte composition of sialolithiasis patients is substantially altered with respect to crystallisation mechanisms. Increased calcium ion as a crystallisation substance and decreased magnesium and citrate ions as crystallisation inhibitors may be involved in the etiopathology of calculi formation.
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Akyilmaz E, Kozgus O. Determination of calcium in milk and water samples by using catalase enzyme electrode. Food Chem 2009. [DOI: 10.1016/j.foodchem.2008.11.075] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Palenzuela B, Manganiello L, Rı́os A, Valcárcel M. Monitoring inorganic mercury and methylmercury species with liquid chromatography–piezoelectric detection. Anal Chim Acta 2004. [DOI: 10.1016/j.aca.2004.02.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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