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Showing 1 to 12 of 259 entries
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Time-resolved diffuse optical tomography using fast-gated single-photon avalanche diodes.

Biomedical optics express

Puszka A, Di Sieno L, Mora AD, Pifferi A, Contini D, Boso G, Tosi A, Hervé L, Planat-Chrétien A, Koenig A, Dinten JM.
PMID: 24009998
Biomed Opt Express. 2013 Jul 17;4(8):1351-65. doi: 10.1364/BOE.4.001351. eCollection 2013.

We present the first experimental results of reflectance Diffuse Optical Tomography (DOT) performed with a fast-gated single-photon avalanche diode (SPAD) coupled to a time-correlated single-photon counting system. The Mellin-Laplace transform was employed to process time-resolved data. We compare the...

Synthesis of Water Dispersible and Catalytically Active Gold-Decorated Cobalt Ferrite Nanoparticles.

Langmuir : the ACS journal of surfaces and colloids

Silvestri A, Mondini S, Marelli M, Pifferi V, Falciola L, Ponti A, Ferretti AM, Polito L.
PMID: 27328722
Langmuir. 2016 Jul 19;32(28):7117-26. doi: 10.1021/acs.langmuir.6b01266. Epub 2016 Jul 01.

Hetero-nanoparticles represent an important family of composite nanomaterials that in the past years are attracting ever-growing interest. Here, we report a new strategy for the synthesis of water dispersible cobalt ferrite nanoparticles (CoxFe3-xO4 NPs) decorated with ultrasmall (2-3 nm)...

A Nutritional Approach to the Prevention of Cancer: from Assessment to Personalized Intervention.

Translational medicine @ UniSa

Di Furia L, Rusciano MR, Leonardini L, Rossi P, Giammarchi C, Vittori E, Tilocca S, Russo FL, Montuori P, Triassi M, Nardone A, Giaimo MD, Migazzi M, Piffer S, Iaria A, Trapasso A, Firenze A, Cristaudo R, Revello M, Castiglion A, Zagonel V, Iaccarino G, Addis A, Natale L, Di Somma C, Colao A, Perra A, Giova K, Montuori N, Illario M.
PMID: 27042431
Transl Med UniSa. 2016 Jan 31;13:33-41. eCollection 2015 Dec.

Among lifestyle factors, nutrition is one of the most important determinants of health, and represents a pivotal element of cancer risk. Nonetheless, epidemiological evidences of the relationship between several cancers and specific foods and nutrients is still inadequate, and...

Towards next-generation time-domain diffuse optics for extreme depth penetration and sensitivity.

Biomedical optics express

Mora AD, Contini D, Arridge S, Martelli F, Tosi A, Boso G, Farina A, Durduran T, Martinenghi E, Torricelli A, Pifferi A.
PMID: 26137377
Biomed Opt Express. 2015 Apr 20;6(5):1749-60. doi: 10.1364/BOE.6.001749. eCollection 2015 May 01.

Light is a powerful tool to non-invasively probe highly scattering media for clinical applications ranging from oncology to neurology, but also for molecular imaging, and quality assessment of food, wood and pharmaceuticals. Here we show that, for a paradigmatic...

The aging society.

Daedalus

Pifer A, Bronte DL.
PMID: 11611863
Daedalus. 1986;115(1):1-400.

No abstract available.

Hydroxyurea vindicated: lack of drug leukemogenicity in polycythemia vera.

Current hematology reports

Tefferi A.
PMID: 15865873
Curr Hematol Rep. 2005 May;4(3):211-2.

No abstract available.

Time-resolved imaging on a realistic tissue phantom: μ(s)' and μ(a) images versus time-integrated images.

Applied optics

Cubeddu R, Pifferi A, Taroni P, Torricelli A, Valentini G.
PMID: 21102872
Appl Opt. 1996 Aug 01;35(22):4533-40. doi: 10.1364/AO.35.004533.

A method is proposed by which we construct images through turbid media, plotting directly either the transport-scattering coefficient μ(s) ' or the absorption coefficient μ(a). These optical parameters are obtained from the best fit of the time-resolved transmittance curves...

Bandpass effects in time-resolved diffuse spectroscopy.

Applied spectroscopy

Farina A, Bassi A, Pifferi A, Taroni P, Comelli D, Spinelli L, Cubeddu R.
PMID: 19146718
Appl Spectrosc. 2009 Jan;63(1):48-56. doi: 10.1366/000370209787169795.

This paper discusses the spectral distortions occurring when time-resolved spectroscopy of diffusive media is performed illuminating with a wide bandpass. It is shown that the spectral region within the bandpass that exhibits the lowest absorption will dominate the resulting...

Tumor detection in mice by measurement of fluorescence decay time matrices.

Applied optics

Cubeddu R, Pifferi A, Taroni P, Valentini G, Canti G.
PMID: 20372337
Appl Opt. 1981 Dec 15;20(24):2553-5.

An intensified CCD video camera has been used to measure the spatial distribution of the fluorescence decay time in tumor-bearing mice sensitized with hematoporphyrin derivative. Mice were injected with five doses of sensitizer, ranging from 0.1 to 10 mg/kg...

Liquid phantom for investigating light propagation through layered diffusive media.

Optics express

Del Bianco S, Martelli F, Cignini F, Zaccanti G, Pifferi A, Torricelli A, Bassi A, Taroni P, Cubeddu R.
PMID: 19475045
Opt Express. 2004 May 17;12(10):2102-11. doi: 10.1364/opex.12.002102.

A liquid phantom for investigating light propagation through layered diffusive media is described. The diffusive medium is an aqueous suspension of calibrated scatterers and absorbers. A thin membrane separates layers with different optical properties. Experiments showed that a material...

Functional tomography using a time-gated ICCD camera.

Biomedical optics express

Zhao Q, Spinelli L, Bassi A, Valentini G, Contini D, Torricelli A, Cubeddu R, Zaccanti G, Martelli F, Pifferi A.
PMID: 21412474
Biomed Opt Express. 2011 Feb 25;2(3):705-16. doi: 10.1364/BOE.2.000705.

We present a system for near infrared functional tomography based on a single pulsed source and a time-gated camera, for non-contact collection over a large area. The mean penetration depth of diffusely reflected photons is dependent on the arrival...

Calibration of scattering and absorption properties of a liquid diffusive medium at NIR wavelengths. Time-resolved method.

Optics express

Spinelli L, Martelli F, Farina A, Pifferi A, Torricelli A, Cubeddu R, Zaccanti G.
PMID: 19546968
Opt Express. 2007 May 28;15(11):6589-604. doi: 10.1364/oe.15.006589.

In this paper, a general method to calibrate the absorption coefficient of an absorber and the reduced scattering coefficient of a liquid diffusive medium, based on time-resolved measurements, is reported. An exhaustive analysis of the error sources affecting the...

Showing 1 to 12 of 259 entries