Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Luis Fermin Capitán-Vallvey"'
Autor:
Luis Fermin Capitán-Vallvey, Ignacio de Orbe-Payá, Alberto José Palma, Nuria López-Ruiz, Maria del Carmen Pegalajar, Manuel P. Cuéllar, Antonio Martinez-Olmos, Sonia Capel-Cuevas
Publikováno v:
Sensors, Vol 12, Iss 5, Pp 6746-6763 (2012)
The aim of this work was the determination of pH with a sensor array-based optical portable instrument. This sensor array consists of eleven membranes with selective colour changes at different pH intervals. The method for the pH calculation is based
Externí odkaz:
https://doaj.org/article/e269f21b0fb94915a180450972261b17
A Portable Luminometer with a Disposable Electrochemiluminescent Biosensor for Lactate Determination
Autor:
Luis Fermin Capitán-Vallvey, Antonio Martínez-Olmos, Alberto J. Palma, Maria del Carmen Valencia-Mirón, Julio Ballesta-Claver
Publikováno v:
Sensors, Vol 9, Iss 10, Pp 7694-7710 (2009)
A hand-held luminometer for measuring electrochemiluminescence (ECL) for lactate determination and based on one-shot biosensors fabricated using screen-printed electrodes is described. The lactate recognition system is based on lactate oxidase and th
Externí odkaz:
https://doaj.org/article/929fc1709bf84186861fd753a11f7af9
Autor:
Mathews de O.K. Franco, Wilson J. Cardoso, Castelo B. Vilanculo, Vagner B. dos Santos, João Paulo B. de Almeida, Luis Fermin Capitán-Vallvey, Willian T. Suarez
Publikováno v:
Analytical Methods. 15:2300-2308
The present study reports, for the first time, the development and application of a method based on digital imaging analysis for the simultaneous determination of Cu2+ and furfural in cachaça samples using a two-phase system and chemometrics tools.
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-1 (2024)
Externí odkaz:
https://doaj.org/article/3a8edbfe12b04a9c812544317d64524d
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
Abstract Encapsulation of magnetic nanoparticles (MNPs) of iron (II, III) oxide (Fe3O4) with a thermopolymeric shell of a crosslinked poly(2-(2-methoxyethoxy)ethyl methacrylate) P(MEO2MA) is successfully developed. Magnetic aggregates of large size,
Externí odkaz:
https://doaj.org/article/1a77b3927b444705b508e894f8f6d5fb
Autor:
Inmaculada Ortiz-Gómez, Almudena Rivadeneyra, José F. Salmerón, Ignacio de Orbe-Payá, Diego P. Morales, Luis Fermín Capitán-Vallvey, Alfonso Salinas-Castillo
Publikováno v:
Biosensors, Vol 13, Iss 2, p 267 (2023)
Here, we propose a microfluidic paper-based analytical device (µPAD) implemented with a near-field communication (NFC) tag as a portable, simple and fast colorimetric method for glutathione (GSH) determination. The proposed method was based on the f
Externí odkaz:
https://doaj.org/article/ca00bc73694c48dea38921fa9349e7fa
Autor:
Pablo Escobedo, Miguel A. Carvajal, Jesus Banqueri, Antonio Martinez-Olmos, Luis Fermin Capitan-Vallvey, Alberto J. Palma
Publikováno v:
IEEE Access, Vol 7, Pp 1909-1919 (2019)
Thermal sintering has traditionally been the most popular sintering method to enhance conductivity after the printing process in the manufacturing of printed electronics. Nevertheless, in recent years, there has been a growing interest in electrical
Externí odkaz:
https://doaj.org/article/722af944fefa419da8f50814526a3e8a
Autor:
Pablo Escobedo, Miguel M. Erenas, Antonio Martinez Olmos, Miguel A. Carvajal, Mavys Tabraue Chavez, M. Angelica Luque Gonzalez, Juan J. Diaz-Mochon, Salvatore Pernagallo, Luis Fermin Capitan-Vallvey, Alberto J. Palma
Publikováno v:
IEEE Access, Vol 7, Pp 185677-185686 (2019)
A smartphone-based platform for the diagnosis of parasitic infections has been developed, tested and validated. The system is capable of making automatic and accurate analysis of millimetric colorimetric arrays in centrifuge collection tubes, which a
Externí odkaz:
https://doaj.org/article/070d90e9ee0c43a6a9fc2d1919c11438
Autor:
Almudena Rivadeneyra, José F. Salmeron, Fabio Murru, Alejandro Lapresta-Fernández, Noel Rodríguez, Luis Fermín Capitan-Vallvey, Diego P. Morales, Alfonso Salinas-Castillo
Publikováno v:
Nanomaterials, Vol 10, Iss 12, p 2446 (2020)
This work presents an innovative application of carbon dots (Cdots) nanoparticles as sensing layer for relative humidity detection. The developed sensor is based on interdigitated capacitive electrodes screen printed on a flexible transparent polyeth
Externí odkaz:
https://doaj.org/article/fd2555a0df07422293efd3ab5fceb796
Autor:
Fabio Murru, Francisco J. Romero, Roberto Sánchez-Mudarra, Francisco J. García Ruiz, Diego P. Morales, Luis Fermín Capitán-Vallvey, Alfonso Salinas-Castillo
Publikováno v:
Nanomaterials, Vol 10, Iss 5, p 825 (2020)
A portable reconfigurable platform for hemoglobin determination based on inner filter quenching of room-temperature phosphorescent carbon dots (CDs) in the presence of H2O2 is described. The electronic setup consists of a light-emitting diode (LED) a
Externí odkaz:
https://doaj.org/article/1f0953e59a4748aea5e10ec958f0ba26