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Showing 1 to 12 of 111 entries
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Narrow-linewidth quantum cascade laser at 8.6 μm.

Optics letters

Fasci E, Coluccelli N, Cassinerio M, Gambetta A, Hilico L, Gianfrani L, Laporta P, Castrillo A, Galzerano G.
PMID: 25121915
Opt Lett. 2014 Aug 15;39(16):4946-9. doi: 10.1364/OL.39.004946.

We report on a narrow-linewidth distributed-feedback quantum cascade laser at 8.6 μm that is optical-feedback locked to a high-finesse V-shaped cavity. The spectral purity of the quantum cascade laser is fully characterized using a high-sensitivity optical frequency discriminator, leading...

Probing Supramolecular Interactions between a Crown Ether Appended Zinc Phthalocyanine and an Ammonium Group Appended to a C.

Chemistry (Weinheim an der Bergstrasse, Germany)

Lederer M, Hahn U, Strub JM, Cianférani S, Van Dorsselaer A, Nierengarten JF, Torres T, Guldi DM.
PMID: 26744015
Chemistry. 2016 Feb;22(6):2051-2059. doi: 10.1002/chem.201503315. Epub 2016 Jan 07.

Self-assembly driven by crown ether complexation of zinc phthalocyanines equipped with one 18-crown-6 moiety and fullerenes bearing an ammonium head group afforded a novel donor-acceptor hybrid. In reference experiments, fullerenes containing a Boc-protected amine functionality have been probed. The...

Progress towards the determination of thermodynamic temperature with ultra-low uncertainty.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences

Gavioso RM, Ripa DM, Steur PP, Gaiser C, Zandt T, Fellmuth B, de Podesta M, Underwood R, Sutton G, Pitre L, Sparasci F, Risegari L, Gianfrani L, Castrillo A, Machin G.
PMID: 26903096
Philos Trans A Math Phys Eng Sci. 2016 Mar 28;374(2064):20150046. doi: 10.1098/rsta.2015.0046.

Previous research effort towards the determination of the Boltzmann constant has significantly improved the supporting theory and the experimental practice of several primary thermometry methods based on the measurement of a thermodynamic property of a macroscopic system at the...

Looking into the volcano with a Mid-IR DFB diode laser and Cavity Enhanced Absorption Spectroscopy.

Optics express

Kassi S, Chenevier M, Gianfrani L, Salhi A, Rouillard Y, Ouvrard A, Romanini D.
PMID: 19529562
Opt Express. 2006 Nov 13;14(23):11442-52. doi: 10.1364/oe.14.011442.

We report on the first application of extended-wavelength DFB diode lasers to Cavity-Enhanced Absorption Spectroscopy in-situ trace measurements on geothermal gases. The emission from the most active fumarole at the Solfatara volcano near Naples (Italy) was probed for the...

Frequency-comb-referenced quantum-cascade laser at 4.4 microm.

Optics letters

Bartalini S, Cancio P, Giusfredi G, Mazzotti D, De Natale P, Borri S, Galli I, Leveque T, Gianfrani L.
PMID: 17375177
Opt Lett. 2007 Apr 15;32(8):988-90. doi: 10.1364/ol.32.000988.

We report what we believe to be the first absolute frequency measurement performed using a quantum-cascade laser (QCL) referenced to an optical frequency comb synthesizer (OFCS). A QCL at 4.43 microm has been used for producing near-infrared radiation at...

Determination of the Boltzmann constant by means of precision measurements of H2(18)O line shapes at 1.39  μm.

Physical review letters

Moretti L, Castrillo A, Fasci E, De Vizia MD, Casa G, Galzerano G, Merlone A, Laporta P, Gianfrani L.
PMID: 23971548
Phys Rev Lett. 2013 Aug 09;111(6):060803. doi: 10.1103/PhysRevLett.111.060803. Epub 2013 Aug 08.

We report on a new implementation of Doppler broadening thermometry based on precision absorption spectroscopy by means of a pair of offset-frequency locked extended-cavity diode lasers at 1.39  μm. The method consists in the highly accurate observation of the...

Epigenetic changes predisposing to type 2 diabetes in intrauterine growth retardation.

Frontiers in endocrinology

Liguori A, Puglianiello A, Germani D, Deodati A, Peschiaroli E, Cianfarani S.
PMID: 22649352
Front Endocrinol (Lausanne). 2010 Nov 22;1:5. doi: 10.3389/fendo.2010.00005. eCollection 2010.

Epidemiologic studies have demonstrated an association between intrauterine growth retardation and a greater risk of chronic disease, including coronary heart disease, hypertension, stroke, and type 2 diabetes in adulthood. An adverse intrauterine environment may affect both growth and development...

Detection of H2O and CO2 with distributed feedback diode lasers: measurement of broadening coefficients and assessment of the accuracy levels for volcanic monitoring.

Applied optics

Gianfrani L, Gabrysch M, Corsi C, De Natale P.
PMID: 18264509
Appl Opt. 1997 Dec 20;36(36):9481-6. doi: 10.1364/ao.36.009481.

We reproduced the chemical-physical conditions of fumarolic emission at Phlaegrean Fields, Pozzuoli, Italy, and we measured the CO(2) and H(2)O concentrations using an absorption spectrometer based on two distributed feedback laser diodes at wavelengths of 1.578 and 1.393 microm....

Absolute frequency stabilization of an extended-cavity diode laser by means of noise-immune cavity-enhanced optical heterodyne molecular spectroscopy.

Optics letters

Dinesan H, Fasci E, Castrillo A, Gianfrani L.
PMID: 24686710
Opt Lett. 2014 Apr 01;39(7):2198-201. doi: 10.1364/OL.39.002198.

We implemented an optical frequency standard based on noise-immune cavity-enhanced optical heterodyne molecular spectroscopy (NICE-OHMS) at 1.39 μm. The emission frequency of an extended-cavity diode laser was actively stabilized against the center of the 4(4,1)→4(4,0) transition of the H(2)(18)O...

A Proteomic View of Cellular Responses to Anticancer Quinoline-Copper Complexes.

Proteomes

Dalzon B, Bons J, Diemer H, Collin-Faure V, Marie-Desvergne C, Dubosson M, Cianferani S, Carapito C, Rabilloud T.
PMID: 31238524
Proteomes. 2019 Jun 24;7(2). doi: 10.3390/proteomes7020026.

Metal-containing drugs have long been used in anticancer therapies. The mechansims of action of platinum-based drugs are now well-understood, which cannot be said of drugs containing other metals, such as gold or copper. To gain further insights into such...

Hyperfine structure and isotope-shift investigations of atomic nitrogen by saturation spectroscopy.

Physical review. A, Atomic, molecular, and optical physics

Cangiano P, de Angelis M, Gianfrani L, Pesce G, Sasso A.
PMID: 9910995
Phys Rev A. 1994 Aug;50(2):1082-1087. doi: 10.1103/physreva.50.1082.

No abstract available.

Immunogenic Potential of Beer Types Brewed With .

Frontiers in nutrition

Spada V, Di Stasio L, Picascia S, Messina B, Gianfrani C, Mamone G, Picariello G.
PMID: 32733911
Front Nutr. 2020 Jul 09;7:98. doi: 10.3389/fnut.2020.00098. eCollection 2020.

The protein/peptide composition of five beer kinds, including two experimental beer-like products brewed with einkorn (

Showing 1 to 12 of 111 entries