Zobrazeno 1 - 10
of 231
pro vyhledávání: '"A. M. Costero"'
Autor:
Elena Añón, Ana M. Costero, Pablo Gaviña, Margarita Parra, Jamal El Haskouri, Pedro Amorós, Ramón Martínez-Máñez, Félix Sancenón
Publikováno v:
Science and Technology of Advanced Materials, Vol 20, Iss 1, Pp 699-709 (2019)
Four types of calcined MCM-41 silica nanoparticles, loaded with dyes and capped with different gating ensembles are prepared and characterized. N1 and N2 nanoparticles are loaded with rhodamine 6G and capped with bulky poly(ethylene glycol) derivativ
Externí odkaz:
https://doaj.org/article/f6c4c8be60f14ef9a904c37ff4e6c52c
Publikováno v:
Sensors, Vol 22, Iss 1, p 261 (2021)
A recompilation of applications of mesoporous silica nanoparticles in sensing from the last five years is presented. Its high potential, especially as hybrid materials combined with organic or bio-molecules, is shown. Adding to the multiplying effect
Externí odkaz:
https://doaj.org/article/3ed89c358870444a8e3e6609fd3d899c
Publikováno v:
Chemosensors, Vol 9, Iss 7, p 160 (2021)
The increase in the number of drug-facilitated sexual assault (DFSA) cases in recent years has become a major concern. Consequently, there is a need to develop methods for the real-time detection of these substances. We report herein a colorimetric c
Externí odkaz:
https://doaj.org/article/7753c1fe54584954947e60d01d4dbcf5
Autor:
Mariana Barros, Alejandro López-Carrasco, Pedro Amorós, Salvador Gil, Pablo Gaviña, Margarita Parra, Jamal El Haskouri, Maria Carmen Terencio, Ana M. Costero
Publikováno v:
Nanomaterials, Vol 11, Iss 3, p 818 (2021)
A new hybrid organic–inorganic material for sensing spermine (Spm) and spermidine (Spd) has been prepared and characterized. The material is based on MCM-41 particles functionalized with an N-hydroxysuccinimide derivative and loaded with Rhodamine
Externí odkaz:
https://doaj.org/article/dcac5b06d9234c4caf6809fb3d301007
Publikováno v:
Nanomaterials, Vol 10, Iss 6, p 1092 (2020)
Microwaves are a source of energy of great interest for chemical synthesis. Among nanomaterials, few are as versatile as silica—it forms mesoporous materials and nanoparticles, it can be incorporated as shells or loaded in composites, it can also b
Externí odkaz:
https://doaj.org/article/391b5115ca774b13bb860ea54f7fe535
Autor:
Jordi Hernández-Contreras, Margarita Parra, Salvador Gil, Ana M. Costero, Pau Arroyo, Félix Sancenón, Ramón Martínez-Máñez, José A. Sáez, Pablo Gaviña
Publikováno v:
RSC Advances. 12:28580-28585
[EN] Synthetic cathinones are a class of new psychoactive substances whose consumption has increased a lot and is widespread throughout the world. Thus, there is currently a need for rapid and simple detection of these drugs. In particular, detection
Autor:
Katherine Chulvi, Ana M. Costero, Luis E. Ochando, Salvador Gil, José-Luis Vivancos, Pablo Gaviña
Publikováno v:
Molecules, Vol 20, Iss 11, Pp 20688-20698 (2015)
The crystal structure of two neutral triarylmethane dyes with a p-quinone methide core was determined by X-ray diffraction analysis. The spectroscopic characteristics of both compounds in 23 solvents with different polarities or hydrogen-bonding dono
Externí odkaz:
https://doaj.org/article/fe038a8ba4ff42e5843dfeab70c9de60
Publikováno v:
Royal Society Open Science, Vol 5, Iss 4 (2018)
Two dansyl-modified β-cyclodextrin derivatives (1 and 2) have been synthesized as host–guest sensory systems for the direct fluorescent detection of the peroxide explosives diacetone diperoxide (DADP) and triacetone triperoxide (TATP) in aqueous m
Externí odkaz:
https://doaj.org/article/75efd6a6a3754da8bbc62c550d1eaab4
Autor:
Daniel Ferri, Pablo Gaviña, Margarita Parra, Ana M. Costero, Jamal El Haskouri, Pedro Amorós, Virginia Merino, Adrián H. Teruel, Félix Sancenón, Ramón Martínez-Máñez
Publikováno v:
Royal Society Open Science, Vol 5, Iss 8 (2018)
Mesoporous silica microparticles were prepared, loaded with the dye safranin O (M-Saf) or with the drug budesonide (M-Bud) and capped by the grafting of a bulky azo derivative. Cargo release from M-Saf at different pH values (mimicking those found in
Externí odkaz:
https://doaj.org/article/7902ccff6f4f46a68431d07f2d5eb8ec
Publikováno v:
Nanomaterials, Vol 9, Iss 2, p 302 (2019)
Gold nanoparticles functionalized with resorcinol moieties have been prepared and used for detecting formaldehyde both in solution and gas phases. The detection mechanism is based on the color change of the probe upon the aggregation of the nanoparti
Externí odkaz:
https://doaj.org/article/67212a4533854600a1810a72e5b4404e