dc.creator | CAIXETA, DOUGLAS C. | |
dc.creator | LIMA, CASSIO | |
dc.creator | XU, YUN | |
dc.creator | GUEVARA-VEGA, MARCO | |
dc.creator | ESPINDOLA, FOUED S. | |
dc.creator | GOODACRE, ROYSTON | |
dc.creator | ZEZELL, DENISE M. | |
dc.creator | SABINO-SILVA, ROBINSON | |
dc.date | 2023 | |
dc.date | 2023-04-26T12:03:14Z | |
dc.date | 2023-04-26T12:03:14Z | |
dc.date.accessioned | 2023-09-28T14:25:50Z | |
dc.date.available | 2023-09-28T14:25:50Z | |
dc.identifier | 1386-1425 | |
dc.identifier | http://repositorio.ipen.br/handle/123456789/34004 | |
dc.identifier | 290 | |
dc.identifier | 10.1016/j.saa.2022.122259 | |
dc.identifier | 0000-0001-7404-9606 | |
dc.identifier | 89 | |
dc.identifier | 85.75 | |
dc.identifier.uri | https://repositorioslatinoamericanos.uchile.cl/handle/2250/9004213 | |
dc.description | The development of novel platforms for non-invasive continuous glucose monitoring applied in the screening and monitoring of diabetes is crucial to improve diabetes surveillance systems. Attenuated total reflection-Fourier transform infrared (ATR-FTIR) spectroscopy of urine can be an alternative as a sustainable, label-free, fast, non-invasive, and highly sensitive analysis to detect changes in urine promoted by diabetes and insulin treatment. In this study, we used ATR-FTIR to evaluate the urinary components of non-diabetic (ND), diabetic (D), and diabetic insulin-treated (D + I) rats. As expected, insulin treatment was capable to revert changes in glycemia, 24-h urine collection volume, urine creatinine, urea, and glucose excretion promoted by diabetes. Several differences in the urine spectra of ND, D, and D + I were observed, with urea, creatinine, and glucose analytes being related to these changes. Principal components analysis (PCA) scores plots allowed for the discrimination of ND and D + I from D with an accuracy of ??? 99 %. The PCA loadings associated with PC1 confirmed the importance of urea and glucose vibrational modes for this discrimination. Univariate analysis of second derivative spectra showed a high correlation (r: 0.865, p < 0.0001) between the height of 1074 cm-1 vibrational mode with urinary glucose concentration. In order to estimate the amount of glucose present in the infrared spectra from urine, multivariate curve resolution-alternating least square (MCR-ALS) was applied and a higher predicted concentration of glucose in the urine was observed with a correlation of 78.9 % compared to urinary glucose concentration assessed using enzyme assays. In summary, ATR-FTIR combined with univariate and multivariate chemometric analyses provides an innovative, non-invasive, and sustainable approach to diabetes surveillance. | |
dc.description | Coordena????o de Aperfei??oamento de Pessoal de N??vel Superior (CAPES) | |
dc.description | Conselho Nacional de Desenvolvimento Cient??fico e Tecnol??gico (CNPq) | |
dc.description | Funda????o de Amparo ?? Pesquisa do Estado de Minas Gerais (FAPEMIG) | |
dc.description | CAPES: 88887.506792/2020-00 | |
dc.description | CNPq: INCT 465763/2014-6; 465669/2014-0; 403193/2022-2; 141629/2015-0 | |
dc.description | FAPEMIG: APQ-02872-16; APQ-02148-21 | |
dc.format | 1-9 | |
dc.relation | Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy | |
dc.rights | openAccess | |
dc.subject | diabetes mellitus | |
dc.subject | fourier transform spectrometers | |
dc.subject | infrared spectra | |
dc.subject | urine | |
dc.subject | biological markers | |
dc.subject | quantitative chemical analysis | |
dc.subject | glucose | |
dc.title | Monitoring glucose levels in urine using FTIR spectroscopy combined with univariate and multivariate statistical methods | |
dc.type | Artigo de peri??dico | |
dc.coverage | I | |