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Showing 1 to 12 of 343 entries
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Towards defect-free 1-D GaAs/AlGaAs heterostructures based on GaAs nanomembranes.

Nanoscale

Tutuncuoglu G, de la Mata M, Deiana D, Potts H, Matteini F, Arbiol J, Fontcuberta i Morral A.
PMID: 26416625
Nanoscale. 2015 Dec 14;7(46):19453-60. doi: 10.1039/c5nr04821d. Epub 2015 Sep 29.

We demonstrate the growth of defect-free zinc-blende GaAs nanomembranes by molecular beam epitaxy. Our growth studies indicate a strong impact of As4 re-emission and shadowing in the growth rate of the structures. The highest aspect ratio structures are obtained...

Approval rating and opinion of outpatients and general practitioners toward generic drugs: a questionnaire-based real-world study.

Patient preference and adherence

Mattioli F, Siri G, Castelli F, Puntoni M, Zuccoli ML, Stimamiglio A, Martelli A.
PMID: 28860725
Patient Prefer Adherence. 2017 Aug 18;11:1423-1433. doi: 10.2147/PPA.S126486. eCollection 2017.

PURPOSE: Generic drugs use in the Liguria region is higher than the Italian average, but lower than in other European countries. No data exist about real-life prescription and level of awareness of generic drugs. In this study, we analyzed...

Nonstoichiometric Low-Temperature Grown GaAs Nanowires.

Nano letters

Díaz Álvarez A, Xu T, Tütüncüoglu G, Demonchaux T, Nys JP, Berthe M, Matteini F, Potts HA, Troadec D, Patriarche G, Lampin JF, Coinon C, Fontcuberta i Morral A, Dunin-Borkowski RE, Ebert P, Grandidier B.
PMID: 26339987
Nano Lett. 2015 Oct 14;15(10):6440-5. doi: 10.1021/acs.nanolett.5b01802. Epub 2015 Sep 09.

The structural and electronic properties of nonstoichiometric low-temperature grown GaAs nanowire shells have been investigated with scanning tunneling microscopy and spectroscopy, pump-probe reflectivity, and cathodoluminescence measurements. The growth of nonstoichiometric GaAs shells is achieved through the formation of As...

8 Demethylation pathways for histone methyllysine residues.

The Enzymes

Forneris F, Binda C, Vanoni M, Mattevi A, Battagliol E.
PMID: 26718042
Enzymes. 2006;24:229-42. doi: 10.1016/S1874-6047(06)80010-7. Epub 2007 Jun 04.

Histone lysine methylation is one of the posttranslational modifications involved in transcriptional regulation and chromatin remodeling. The first lysine specific histone demethylase (LSD1) has been recently discovered, whichrules out the hypothesis that histone methylation represents a permanent epigenetic mark....

High-Mobility and High-Optical Quality Atomically Thin WS .

Scientific reports

Reale F, Palczynski P, Amit I, Jones GF, Mehew JD, Bacon A, Ni N, Sherrell PC, Agnoli S, Craciun MF, Russo S, Mattevi C.
PMID: 29097769
Sci Rep. 2017 Nov 02;7(1):14911. doi: 10.1038/s41598-017-14928-2.

The rise of atomically thin materials has the potential to enable a paradigm shift in modern technologies by introducing multi-functional materials in the semiconductor industry. To date the growth of high quality atomically thin semiconductors (e.g. WS

MetaDB a Data Processing Workflow in Untargeted MS-Based Metabolomics Experiments.

Frontiers in bioengineering and biotechnology

Franceschi P, Mylonas R, Shahaf N, Scholz M, Arapitsas P, Masuero D, Weingart G, Carlin S, Vrhovsek U, Mattivi F, Wehrens R.
PMID: 25566535
Front Bioeng Biotechnol. 2014 Dec 16;2:72. doi: 10.3389/fbioe.2014.00072. eCollection 2014.

Due to their sensitivity and speed, mass-spectrometry based analytical technologies are widely used to in metabolomics to characterize biological phenomena. To address issues like metadata organization, quality assessment, data processing, data storage, and, finally, submission to public repositories, bioinformatic...

Hybrid Semiconductor Nanowire-Metallic Yagi-Uda Antennas.

Nano letters

Ramezani M, Casadei A, Grzela G, Matteini F, Tütüncüoglu G, Rüffer D, Fontcuberta i Morral A, Gómez Rivas J.
PMID: 26086437
Nano Lett. 2015 Aug 12;15(8):4889-95. doi: 10.1021/acs.nanolett.5b00565. Epub 2015 Jun 30.

We demonstrate the directional emission of individual GaAs nanowires by coupling this emission to Yagi-Uda optical antennas. In particular, we have replaced the resonant metallic feed element of the nanoantenna by an individual nanowire and measured with the microscope...

Relationship between intracerebral hemorrhage and diabetes mellitus: a case-control study.

Journal of clinical and diagnostic research : JCDR

Hesami O, Kasmaei HD, Matini F, Assarzadegan F, Mansouri B, Jabbehdari S.
PMID: 26023579
J Clin Diagn Res. 2015 Apr;9(4):OC08-10. doi: 10.7860/JCDR/2015/12226.3741. Epub 2015 Apr 01.

INTRODUCTION: The role of diabetes mellitus in the pathogenesis of intracerebral hemorrhage (ICH) is controversial. Underlying comorbidities such as diabetes mellitus may increase the risk of intracerebral hemorrhage. In this study, we sought to assess the role of diabetes...

Strong and Coherent Coupling between Localized and Propagating Phonon Polaritons.

Physical review letters

Gubbin CR, Martini F, Politi A, Maier SA, De Liberato S.
PMID: 27367398
Phys Rev Lett. 2016 Jun 17;116(24):246402. doi: 10.1103/PhysRevLett.116.246402. Epub 2016 Jun 17.

Following the recent observation of localized phonon polaritons in user-defined silicon carbide nanoresonators, here we demonstrate strong and coherent coupling between those localized modes and propagating phonon polaritons bound to the surface of the nanoresonator's substrate. In order to...

Use of an (n, α) nuclear reaction to study the long-distance transport of boron in trifolium repens after foliar application.

Planta

Martini F, Thellier M.
PMID: 24306682
Planta. 1980 Nov;150(3):197-205. doi: 10.1007/BF00390826.

The growth of white clover (Trifolium repens L.) is severely inhibited by boron starvation, but a foliar treatment with boric acid can transitorily alleviate the deficiency symptoms. The (10)B(n ,α)(7) Li nuclear reaction has been used to study boron...

In situ observations of catalyst dynamics during surface-bound carbon nanotube nucleation.

Nano letters

Hofmann S, Sharma R, Ducati C, Du G, Mattevi C, Cepek C, Cantoro M, Pisana S, Parvez A, Cervantes-Sodi F, Ferrari AC, Dunin-Borkowski R, Lizzit S, Petaccia L, Goldoni A, Robertson J.
PMID: 17319731
Nano Lett. 2007 Mar;7(3):602-8. doi: 10.1021/nl0624824. Epub 2007 Feb 24.

We present atomic-scale, video-rate environmental transmission electron microscopy and in situ time-resolved X-ray photoelectron spectroscopy of surface-bound catalytic chemical vapor deposition of single-walled carbon nanotubes and nanofibers. We observe that transition metal catalyst nanoparticles on SiOx support show crystalline...

Unusual infrared-absorption mechanism in thermally reduced graphene oxide.

Nature materials

Acik M, Lee G, Mattevi C, Chhowalla M, Cho K, Chabal YJ.
PMID: 20852618
Nat Mater. 2010 Oct;9(10):840-5. doi: 10.1038/nmat2858. Epub 2010 Sep 19.

Infrared absorption of atomic and molecular vibrations in solids can be affected by electronic contributions through non-adiabatic interactions, such as the Fano effect. Typically, the infrared-absorption lineshapes are modified, or infrared-forbidden modes are detectable as a modulation of the...

Showing 1 to 12 of 343 entries