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Modern creatinine (Bio)sensing: Challenges of point-of-care platforms
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Chemistry.
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Chemistry.ORCID iD: 0000-0002-3858-8466
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Chemistry.ORCID iD: 0000-0002-1221-3906
2019 (English)In: Biosensors & bioelectronics, ISSN 0956-5663, E-ISSN 1873-4235, Vol. 130, p. 110-124Article, review/survey (Refereed) Published
Abstract [en]

The importance of knowing creatinine levels in the human body is related to the possible association with renal, muscular and thyroid dysfunction. Thus, the accurate detection of creatinine may indirectly provide information surrounding those functional processes, therefore contributing to the management of the health status of the individual and early diagnosis of acute diseases. The questions at this point are: to what extent is creatinine information clinically relevant?; and do modern creatinine (bio)sensing strategies fulfil the real needs of healthcare applications? The present review addresses these questions by means of a deep analysis of the creatinine sensors reported in the literature over the last five years. There is a wide range of techniques for detecting creatinine, most of them based on optical readouts (20 of the 33 papers collected in this review). However, the use of electrochemical techniques (13 of the 33 papers) is recently emerging in alignment with the search for a definitive and trustworthy creatinine detection at the point-of-care level. In this sense, biosensors (7 of the 33 papers) are being established as the most promising alternative over the years. While creatinine levels in the blood seem to provide better information about patient status, none of the reported sensors display adequate selectivity in such a complex matrix. In contrast, the analysis of other types of biological samples (e.g., saliva and urine) seems to be more viable in terms of simplicity, cross-selectivity and (bio)fouling, besides the fact that its extraction does not disturb individual's well-being. Consequently, simple tests may likely be used for the initial check of the individual in routine analysis, and then, more accurate blood detection of creatinine could be necessary to provide a more genuine diagnosis and/or support the corresponding decision-making by the physician. Herein, we provide a critical discussion of the advantages of current methods of (bio)sensing of creatinine, as well as an overview of the drawbacks that impede their definitive point-of-care establishment.

Place, publisher, year, edition, pages
Elsevier, 2019. Vol. 130, p. 110-124
Keywords [en]
Blood analysis, Creatinine, Early diagnosis, Enzymatic biosensors, Healthcare, POC devices
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-246460DOI: 10.1016/j.bios.2019.01.048ISI: 000461526200012PubMedID: 30731344Scopus ID: 2-s2.0-85060939971OAI: oai:DiVA.org:kth-246460DiVA, id: diva2:1297580
Note

QC 20190320

Available from: 2019-03-20 Created: 2019-03-20 Last updated: 2019-04-05Bibliographically approved

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Cuartero, MariaCrespo, Gaston A.

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