[EN] Flow injection analysis (FIA) is a technique that allows the automatic analysis of a large number of samples and/or continuous monitoring, and it has been proven to be applicable to a variety of analytical problems. ...
[EN] Wounded leaves of Arabidopsis thaliana show transient immunity to Botrytis cinerea, the causal agent of grey mould. Using a fluorescent probe, histological staining and a luminol assay, we now show that reactive oxygen ...
[EN] The impact of the COVID-19 pandemic has reinforced the need for rapid, cost-effective, and reliable point-of-care testing (POCT) devices for massive population screening. The co-circulation of SARS-CoV-2 with several ...
González Martínez, Miguel Ángel; Penalva Villegas, José; Puchades, Rosa; Maquieira Catala, Ángel; Ballesteros, Berta; Marco, Maria Pilar; Barceló, Damià(American Chemical Society, 1998-09)
[EN] The development of an immunosensor for analysis of the antifouling agent Irgarol 1051 (2-methylthio-4-tert-butylamin-6-cyclopropylamin-s-triazine) is described. The immunosensor is based on a heterogeneous competitive ...
Juste-Dolz, Augusto Miguel; Delgado-Pinar, Martina; Avella-Oliver, Miquel; Fernández-Sánchez, María Estrella; Pastor Abellán, Daniel; Andrés, Miguel V.; Maquieira Catala, Ángel(Elsevier, 2021-03-15)
[EN] Discovering nanoscale phenomena to sense biorecognition events introduces new perspectives to exploit nano science and nanotechnology for bioanalytical purposes. Here we present Bio Bragg Gratings (BBGs), a novel ...
Sanza, F.J.; Holgado, M.; Ortega Higueruelo, Francisco José; Casquel Del Campo, Rafael; López-Romero, D.; Bañuls Polo, Mª José; Laguna, Mari Fe; Barrios, C.A.; Puchades Pla, Rosa; Maquieira Catala, Ángel(Elsevier, 2011)
[EN] In a previous work we introduced the term Bio-Photonic Sensing Cells (BICELLs), referred to periodic networks of nano-pillar suitable for biosensing when are vertically interrogated. In this article, we demonstrate ...
Noguera Murray, Patricia Silvestre; Posthuma-Trumpie, G.A.; van Tuil, M.; van der Wal, F.J.; de Boer, A.; Moers, A.P.H.A.; van Amerongen, A.(Springer Verlag, 2011)
The use of carbon nanoparticles is shown for the detection and identification of different Shiga toxin-producing Escherichia coli virulence factors (vt1, vt2, eae and ehxA) and a 16S control (specific for E. coli) based ...
Giner Bosch, Adrián(Universitat Politècnica de València, 2022-10-25)
[ES] Encephalitozoon cuniculi es un microsporidio que afecta con frecuencia a los conejos domésticos. Una gran parte de conejos mascota son portadores de esta enfermedad, pero solamente, unos pocos la manifiestan. E. ...
[EN] A rapid duplex ELISA for the simultaneous determination of two of the most widely used organophosphorous insecticides in tangerine juices is described. To accomplish this aim, two individual enzyme-linked immunosorbent ...
[EN] A lateral flow immunoassay (LFIA) was developed in the competitive reaction format and applied to test sulphathiazole (STZ) residues in honey samples. To prepare the assay test, a hapten conjugate and goat antirabbit ...
Samper Avilés, Marta(Universitat Politècnica de València, 2015-10-15)
[ES] Las enfermedades que cursan con un proceso inflamatorio (infección, trauma, heridas¿) están asociadas a signos fisiológicos característicos y, a cambios en ciertas proteínas séricas, conocidas como proteínas de fase ...
[EN] Simple, rapid and highly sensitive assays, possibly allowing on-site analysis, are required in the security and forensic fields or to obtain early signs of environmental pollution. Several bioanalytical methods and ...
Guillen Guille, Isabel; Martínez SanMartín, Ángel; Gabaldón Hernández, José Antonio; Núñez Delicado, Estrella; Puchades Pla, Rosa; Maquieira Catala, Ángel(Ştefan cel Mare University – Suceava, 2011)
[EN] A lateral flow immunoassay (LFIA) was developed in the competitive reaction format and applied to test residues of the antimicrobial oxyteracycline (OTC) in honey samples. To prepare the assay test, a nitrocellulose ...
The aim of this work was the development of monoclonal antibodies (MAbs) and highly sensitive immunoassays (ELISAs) to bisphenol A (BPA), a well-known endocrine disruptor able to migrate from the internal coating of cans ...
Direct hapten-linked multiplexed immunoassay is developed on the polycarbonate surface of standard Digital Versatile Discs (DVDs) for six compounds of environmental concern, as proof of concept. Carboxylated haptens are ...
Dispersive solid-phase extraction (dSPE) using fatty acid-coated Eu2O3 nanoparticles (NPs) was developed, and a direct immunoassay was carried out employing these NPs as support. Secondary antibodies labeled with fluorophore ...
[EN] An approach to enhance the sensitivity of optical biosensors is developed. It is based on patterning strips of
biochemical probes and signal processing (frequency-domain analysis, FDA) to the resulting analytical ...
Montagut Ferizzola, Yeison Javier; García Narbón, José Vicente; Jiménez Jiménez, Yolanda; March Iborra, Mª Del Carmen; Montoya Baides, Ángel; Arnau Vives, Antonio(American Institute of Physics (AIP), 2011)
The improvement of sensitivity in quartz crystal microbalance (QCM) applications has been addressed in the last decades by increasing the sensor fundamental frequency, following the increment of the frequencymass sensitivity ...
Cháfer Pericás, María Consuelo; Maquieira Catala, Ángel; Puchades, Rosa(Elsevier, 2012-01)
[EN] In recent years, research has focused on the development of different types of inorganic nanoparticles (NPs) to be used as labels in immunoassays instead of fluorophores or organic particles. Basically, inorganic NPs ...
Dobosz, Paulina(Universitat Politècnica de València, 2016-04-28)
The aim of this work is the development of an immunoassay adapted for compact disc technology to determine the priority pollutants residues in natural water. For that, specific antibody will be labeled with gold nanoparticles ...