| Full text | |
| Author(s): |
Gomes, Nathalia O.
;
Teixeira, Samiris Cocco
;
Calegaro, Marcelo L.
;
Machado, Sergio A. S.
;
Ferreira Soares, Nilda de Fatima
;
de Oliveira, Taila Veloso
;
Raymundo-Pereira, Paulo A.
Total Authors: 7
|
| Document type: | Journal article |
| Source: | CHEMICAL ENGINEERING JOURNAL; v. 472, p. 10-pg., 2023-09-15. |
| Abstract | |
Flexible and sustainable electronic devices may fulfill the requirements of Sustainable Development Goals (SDGs) contained in Agenda 2030 from United Nations, however, the use of degradable and eco-friendly devices for rapid, selective and on-site decentralized monitoring of patient health status with portable systems toward diagnosis, fast decision and medical interventions is relatively new. Herein, we introduce flexible and sustainable substrates/support of degradable bio-based PLA films from renewable resources produced by casting method as a sustainable alternative to conventional petroleum-based plastics toward portable electronic devices and sensing applications. The flexible devices containing full electrochemical sensing system were built with screen-printing process on PLA sustainable substrates for on-site, rapid decentralized monitoring of molecular biomarkers in noninvasive sample. Reliable urinary dopamine and uric acid analysis with limit of detections of 0.138 & mu;M and 0.595 & mu;M could be performed with low-cost sustainable devices (<US$ 0.08 per unit) in undiluted human urine using a flexible sensor strip coupled with a Sensit BT portable analyzer connected via Bluetooth to a smartphone, laptop or tablet. The flexible eco-friendly sensor was highly robust against severe bending strains, reproducible and selective without interference from other compounds in human urine. The sustainable sensor response was fast within 3 min with an analytical performance comparable to the gold standard method. (AU) | |
| FAPESP's process: | 23/07686-7 - Design and fabrication of disposable electrochemical devices based on carbon spherical shells doped with nitrogen and decorated with carbon quantum dots for the detection of pesticides in water supply samples |
| Grantee: | Nathalia Oezau Gomes |
| Support Opportunities: | Scholarships in Brazil - Technical Training Program - Technical Training |
| FAPESP's process: | 19/01777-5 - Manufacture of disposable electrochemical devices composed of hollow carbon nanospheres and carbon nanowires decorated with silver nanoparticles for the quantification of endocrine disruptors in supply water samples |
| Grantee: | Sergio Antonio Spinola Machado |
| Support Opportunities: | Regular Research Grants |
| FAPESP's process: | 22/02164-0 - Development of electrochemical sensors modified with hollow carbon nanospheres doped with sulfur and nitrogen for the quantification of drugs in supply water samples |
| Grantee: | Sergio Antonio Spinola Machado |
| Support Opportunities: | Regular Research Grants |
| FAPESP's process: | 23/00850-6 - Development of nanostructured biosensors for the diagnosis of mental disorders biomarkers |
| Grantee: | Osvaldo Novais de Oliveira Junior |
| Support Opportunities: | Regular Research Grants |
| FAPESP's process: | 16/01919-6 - Design and fabrication of nanostructured flexible devices for biomarkers detection |
| Grantee: | Paulo Augusto Raymundo Pereira |
| Support Opportunities: | Scholarships in Brazil - Post-Doctoral |
| FAPESP's process: | 20/09587-8 - Development of electrochemical devices based on carbon and silver nanostructures to detect endocrine disruptors in quantities of water supply |
| Grantee: | Nathalia Oezau Gomes |
| Support Opportunities: | Scholarships in Brazil - Doctorate |