Zobrazeno 1 - 10
of 166
pro vyhledávání: '"António O. S. S. Rangel"'
Autor:
Mafalda G. Pereira, Ana Machado, Andreia Leite, Maria Rangel, Adriano Bordalo, António O. S. S. Rangel, Raquel B. R. Mesquita
Publikováno v:
Sensors, Vol 24, Iss 3, p 1024 (2024)
Iodine is an essential micronutrient for humans due to its fundamental role in the biosynthesis of thyroid hormones. As a key parameter to assess health conditions, iodine intake needs to be monitored to ascertain and prevent iodine deficiency. Iodin
Externí odkaz:
https://doaj.org/article/18f8f20d8e324a89b9f7bd3ce3c3c917
Publikováno v:
Chemosensors, Vol 11, Iss 7, p 368 (2023)
In this work, a new microfluidic paper-based analytical device (µPAD) was developed for on-hand creatinine quantification in urine samples. When compared to conventional methods, this innovative paper device is more accessible and portable, it provi
Externí odkaz:
https://doaj.org/article/9e3832bce68048a180a623d5514e094e
Autor:
Anouk F. Duque, Vânia S. Bessa, Udo van Dongen, Merle K. de Kreuk, Raquel B. R. Mesquita, António O. S. S. Rangel, Mark C. M. van Loosdrecht, Paula M. L. Castro
Publikováno v:
Water Science and Technology, Vol 83, Iss 10, Pp 2404-2413 (2021)
The presence of toxic compounds in wastewater can cause problems for organic matter and nutrient removal. In this study, the long-term effect of a model xenobiotic, 2-fluorophenol (2-FP), on ammonia-oxidizing bacteria (AOB), nitrite oxidizing bacteri
Externí odkaz:
https://doaj.org/article/65b9bff9be594215a05e7f58fcfbe98e
Autor:
Juliana I. S. Aguiar, Susana O. Ribeiro, Andreia Leite, Maria Rangel, António O. S. S. Rangel, Raquel B. R. Mesquita
Publikováno v:
Chemosensors, Vol 11, Iss 2, p 101 (2023)
This work describes the development of an iron sensor based on a microfluidic paper-based technique, to attain iron quantification in natural waters. A new water-soluble naphthalene-3-hydroxy-4-pyridione ligand was used as a colour reagent, as it for
Externí odkaz:
https://doaj.org/article/65eebf352971462fbb60fd6fdca5d8ae
Autor:
Carolina F. F. A. Costa, Ana Merino-Ribas, Catarina Ferreira, Carla Campos, Nádia Silva, Luciano Pereira, Andreia Garcia, Álvaro Azevedo, Raquel B. R. Mesquita, António O. S. S. Rangel, Célia M. Manaia, Benedita Sampaio-Maia
Publikováno v:
Frontiers in Microbiology, Vol 12 (2021)
Chronic Kidney Disease (CKD) is a growing public-health concern worldwide. Patients exhibit compromised immunity and are more prone to infection than other populations. Therefore, oral colonization by clinically relevant members of the Enterobacteria
Externí odkaz:
https://doaj.org/article/30f05d83f0a3493295a579ffdc777b70
A Robust Flow-Based System for the Spectrophotometric Determination of Cr(VI) in Recreational Waters
Autor:
Tânia C. F. Ribas, Raquel B. R. Mesquita, Ana Machado, Joana L. A. Miranda, Graham Marshall, Adriano Bordalo, António O. S. S. Rangel
Publikováno v:
Molecules, Vol 27, Iss 7, p 2073 (2022)
A flow-based method for the spectrophotometric determination of chromium (VI) in recreational waters with different salinities was developed. Chromium can occur in the environment in different oxidation states with different related physiological pro
Externí odkaz:
https://doaj.org/article/5a2ebcc95e11452baf39e75a82205efa
Autor:
Joana L. A. Miranda, Raquel B. R. Mesquita, Edwin Palacio, José M. Estela, Víctor Cerdà, António O. S. S. Rangel
Publikováno v:
Molecules, Vol 27, Iss 4, p 1325 (2022)
In this work, a flow-based spectrofluorimetric method for iodine determination was developed. The system consisted of a miniaturized chip-based flow manifold for solutions handling and with integrated spectrofluorimetric detection. A multi-syringe mo
Externí odkaz:
https://doaj.org/article/1168ff449e2d40afaaae1f832dd2c8c2
Publikováno v:
Molecules, Vol 26, Iss 21, p 6355 (2021)
In this work, the design of a microfluidic paper-based analytical device (μPAD) for the quantification of nitrate in urine samples was described. Nitrate monitoring is highly relevant due to its association to some diseases and health conditions. Th
Externí odkaz:
https://doaj.org/article/38246f7c79d24838b9bb279ef3126114
Autor:
Tânia C. F. Ribas, Charles F. Croft, M. Inês G. S. Almeida, Raquel B. R. Mesquita, Spas D. Kolev, António O. S. S. Rangel
Publikováno v:
Molecules, Vol 25, Iss 21, p 5062 (2020)
A bi-parametric sequential injection method for the determination of copper(II) and zinc(II) when present together in aqueous samples was developed. This was achieved by using a non-specific colorimetric reagent (4-(2-pyridylazo)resorcinol, PAR) toge
Externí odkaz:
https://doaj.org/article/537f88dd99244a0986aae387a3581c61
Publikováno v:
Chemosensors; Volume 11; Issue 7; Pages: 368
In this work, a new microfluidic paper-based analytical device (µPAD) was developed for on-hand creatinine quantification in urine samples. When compared to conventional methods, this innovative paper device is more accessible and portable, it provi