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Showing 1 to 12 of 610 entries
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Toward the design of alkynylimidazole fluorophores: computational and experimental characterization of spectroscopic features in solution and in poly(methyl methacrylate).

Physical chemistry chemical physics : PCCP

Barone V, Bellina F, Biczysko M, Bloino J, Fornaro T, Latouche C, Lessi M, Marianetti G, Minei P, Panattoni A, Pucci A.
PMID: 26395207
Phys Chem Chem Phys. 2015 Oct 28;17(40):26710-23. doi: 10.1039/c5cp03047a.

The possibilities offered by organic fluorophores in the preparation of advanced plastic materials have been increased by designing novel alkynylimidazole dyes, featuring different push and pull groups. This new family of fluorescent dyes was synthesized by means of a...

Atomically thin quantum light-emitting diodes.

Nature communications

Palacios-Berraquero C, Barbone M, Kara DM, Chen X, Goykhman I, Yoon D, Ott AK, Beitner J, Watanabe K, Taniguchi T, Ferrari AC, AtatΓΌre M.
PMID: 27667022
Nat Commun. 2016 Sep 26;7:12978. doi: 10.1038/ncomms12978.

Transition metal dichalcogenides are optically active, layered materials promising for fast optoelectronics and on-chip photonics. We demonstrate electrically driven single-photon emission from localized sites in tungsten diselenide and tungsten disulphide. To achieve this, we fabricate a light-emitting diode structure...

Effective Inclusion of Mechanical and Electrical Anharmonicity in Excited Electronic States: VPT2-TDDFT Route.

Journal of chemical theory and computation

Egidi F, Williams-Young DB, Baiardi A, Bloino J, Scalmani G, Frisch MJ, Li X, Barone V.
PMID: 28453287
J Chem Theory Comput. 2017 Jun 13;13(6):2789-2803. doi: 10.1021/acs.jctc.7b00218. Epub 2017 May 24.

We present a reliable and cost-effective procedure for the inclusion of anharmonic effects in excited-state energies and spectroscopic intensities by means of second-order vibrational perturbation theory. This development is made possible thanks to a recent efficient implementation of excited-state...

New insights into the vibrational and optical signatures of trans-stilbene via integrated experimental and quantum mechanical approaches.

Physical chemistry chemical physics : PCCP

Massuyeau F, Faulques E, Latouche C, Barone V.
PMID: 27373560
Phys Chem Chem Phys. 2016 Jul 28;18(28):19378-85. doi: 10.1039/c6cp02787c. Epub 2016 Jul 04.

The structure, spectroscopic parameters and optical properties of stilbene have been investigated by a computational protocol including suitable treatment of anharmonic contributions together with new experimental results. A full reproduction of the 500-3500 cm(-1) IR spectrum has been possible...

Clinical trials using the Shang Ring device for male circumcision in Africa: a review.

Translational andrology and urology

Barone MA, Li PS, Awori QD, Lee R, Goldstein M.
PMID: 26816759
Transl Androl Urol. 2014 Mar;3(1):113-24. doi: 10.3978/j.issn.2223-4683.2014.01.09.

Male circumcision (MC) reduces the risk of HIV and other sexually transmitted infections (STIs), including human papillomavirus (HPV) and herpes simplex virus type 2 (HSV-2), and is recommended as an important component of a comprehensive package of HIV prevention...

Testing an Attachment-Based Parenting Intervention-VIPP-FC/A in Adoptive Families with Post-institutionalized Children: Do Maternal Sensitivity and Genetic Markers Count?.

Frontiers in psychology

Barone L, Barone V, Dellagiulia A, Lionetti F.
PMID: 29515483
Front Psychol. 2018 Feb 19;9:156. doi: 10.3389/fpsyg.2018.00156. eCollection 2018.

This study investigated the effectiveness of a newly integrated version of an intervention targeting adoptive mothers' positive parenting for promoting children's emotional availability, by testing the moderating role of both two maternal genetic polymorphisms (i.e., 5HTTLPR and DRD4-VNTR) and...

Semiexperimental equilibrium structures for building blocks of organic and biological molecules: the B2PLYP route.

Journal of chemical theory and computation

Penocchio E, Piccardo M, Barone V.
PMID: 26574259
J Chem Theory Comput. 2015 Oct 13;11(10):4689-707. doi: 10.1021/acs.jctc.5b00622. Epub 2015 Aug 31.

The B2PLYP double hybrid functional, coupled with the correlation-consistent triple-ΞΆ cc-pVTZ (VTZ) basis set, has been validated in the framework of the semiexperimental (SE) approach for deriving accurate equilibrium structures of molecules containing up to 15 atoms. A systematic...

Computational study of the DPAP molecular rotor in various environments: from force field development to molecular dynamics simulations and spectroscopic calculations.

Physical chemistry chemical physics : PCCP

Macchiagodena M, Del Frate G, Brancato G, Chandramouli B, Mancini G, Barone V.
PMID: 29115317
Phys Chem Chem Phys. 2017 Nov 22;19(45):30590-30602. doi: 10.1039/c7cp04688j.

Fluorescent molecular rotors (FMRs) belong to an important class of environment-sensitive dyes capable of acting as nanoprobes in the measurement of viscosity and polarity of their micro-environment. FMRs have found widespread applications in various research fields, ranging from analytical...

Radical, Staged Approach to Extensive Posterior Fossa Pediatric Ependymoma: 3-Dimensional Operative Video.

Operative neurosurgery (Hagerstown, Md.)

Budohoski KP, Guilfoyle MR, Barone DG, Kirollos RW, Trivedi RA, Santarius T.
PMID: 29029279
Oper Neurosurg (Hagerstown). 2018 Jun 01;14(6):705. doi: 10.1093/ons/opx206.

No abstract available.

Lymphocytic duodenitis or microscopic enteritis and gluten-related conditions: what needs to be explored?.

Annals of gastroenterology

Ierardi E, Losurdo G, Iannone A, Piscitelli D, Amoruso A, Barone M, Principi M, Pisani A, Di Leo A.
PMID: 28655974
Ann Gastroenterol. 2017;30(4):380-392. doi: 10.20524/aog.2017.0165. Epub 2017 May 31.

Microscopic enteritis (ME) is characterized by abnormal infiltration of intraepithelial lymphocytes in intestinal mucosa. It was described as duodenal lymphocytosis or lymphocytic duodenitis until the dedicated Consensus Conference of 2015. ME represents a common feature of several gluten-mediated and...

General Time Dependent Approach to Vibronic Spectroscopy Including Franck-Condon, Herzberg-Teller, and Duschinsky Effects.

Journal of chemical theory and computation

Baiardi A, Bloino J, Barone V.
PMID: 26592403
J Chem Theory Comput. 2013 Sep 10;9(9):4097-115. doi: 10.1021/ct400450k. Epub 2013 Aug 27.

An effective time-dependent (TD) approach to compute vibrationally resolved optical spectra from first principles is presented for the computation of one-photon electronic spectra induced by either electric or magnetic transition dipoles or by their mutual interaction, namely absorption, emission,...

Polarizable Force Fields and Polarizable Continuum Model: A Fluctuating Charges/PCM Approach. 1. Theory and Implementation.

Journal of chemical theory and computation

Lipparini F, Barone V.
PMID: 26598266
J Chem Theory Comput. 2011 Nov 08;7(11):3711-24. doi: 10.1021/ct200376z. Epub 2011 Sep 29.

We present a combined fluctuating charges-polarizable continuum model approach to describe molecules in solution. Both static and dynamic approaches are discussed: analytical first and second derivatives are shown as well as an extended lagrangian for molecular dynamics simluations. In...

Showing 1 to 12 of 610 entries