Search results for "G.I.S."
showing 10 items of 2130 documents
A Refractive Index Sensor Based on the Resonant Coupling to Cladding Modes in a Fiber Loop
2013
We report an easy-to-build, compact, and low-cost optical fiber refractive index sensor. It consists of a single fiber loop whose transmission spectra exhibit a series of notches produced by the resonant coupling between the fundamental mode and the cladding modes in a uniformly bent fiber. The wavelength of the notches, distributed in a wavelength span from 1,400 to 1,700 nm, can be tuned by adjusting the diameter of the fiber loop and are sensitive to refractive index changes of the external medium. Sensitivities of 170 and 800 nm per refractive index unit for water solutions and for the refractive index interval 1.40-1.442, respectively, are demonstrated. We estimate a long range resolut…
Transmembrane electrochemistry of erythrocytes: Direct electrochemical test for detecting hemolysis in whole blood
2016
A rapid method for detecting hemolysis in whole blood based on a direct electrochemical assay either in venous blood and finger blood, respectively at glassy carbon and screen-printed graphite electrodes is described. The presence of hemolysis is detected from characteristic voltammetric signatures associated to Fe-heme units in healthy and hemolyzed erythrocytes. The voltammetric response of blood was also investigated using scanning electrochemical microscopy (SECM) and scanning tunneling microscopy (STM) and involved transmembrane electrochemistry of erythrocytes superimposed to molecular electrochemistry of heme-containing proteins and heme fragments in the plasma. Voltammetric testing …
Graphene and ionic liquids new gel paste electrodes for caffeic acid quantification
2015
Abstract Graphene/ionic liquids nanocomposite gels were synthesized by an electrochemical etching approach and fully characterized under a morphological and structural point of view. For this purpose, several analytical techniques were applied, as HR-TEM/EDX (High Resolution-Transmission Electron Microscopy/Energy Dispersive X-Ray Analysis); FE-SEM/EDX (Field Emission-Scanning Electron Microscopy/Energy Dispersive X-Ray Analysis); XPS (X-Ray Photoelectron Spectroscopy); FT-IR (Fourier Transform-Infrared Spectroscopy) and electrochemical techniques. After the characterization study, nanocomposite-gel paste electrodes were assembled, exhibiting a selective and specific detection toward the ca…
Laura Candiotto, Le vie della Confutazione, Mimesis, Milano 2012, (Book Review)
2012
Gozos a San Andres Avelino, especial abogado en accidentes apoplecticos, y muertes repentinas.
1771
El full orlat. Grav. xil. enmarcat de "Sn. Andres Avelino", flanquejat per ornaments florals. El text del goig a tres col. separades per filets.
Gozos del glorioso San Andres Avelino, especial abogado contra los accidentes de apoplegia.
El full orlat. Grav. xil. enmarcat de "San Andres Avelino", flanquejat per gerros amb flors. El text del goig a tres col. separades per filets.
Gozos al glorioso apostol San Andres.
El full orlat. Grav. xil. ovalat del sant, flanquejat per gerros amb flors. Text del goig a dues col. separades per banda.
Gozos a la gloriosa Santa Ana.
El full orlat. Grav. xil. enmarcat de Santa Anna amb la Mare de Déu, flanquejat per gerros amb flors. Text del goig a tres col. separades per filets.
Gozos a la gloriosa Santa Ana.
El full orlat. Grav. xil. enmarcat de Santa Anna amb la Mare de Déu, flanquejat per gerros amb flors. El text del goig a dues col. separades per banda.
Gozos de la gloriosa Santa Ana, madre de la Madre de Dios.
El full orlat. Grav. xil. enmarcat de Santa Anna amb la Mare de Déu, flanquejat per gerros amb flors. El text del goig a dues col. separades per banda.