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Showing 1 to 12 of 167 entries
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Cosmic-ray positron energy spectrum measured by PAMELA.

Physical review letters

Adriani O, Barbarino GC, Bazilevskaya GA, Bellotti R, Bianco A, Boezio M, Bogomolov EA, Bongi M, Bonvicini V, Bottai S, Bruno A, Cafagna F, Campana D, Carbone R, Carlson P, Casolino M, Castellini G, De Donato C, De Santis C, De Simone N, Di Felice V, Formato V, Galper AM, Karelin AV, Koldashov SV, Koldobskiy SA, Krutkov SY, Kvashnin AN, Leonov A, Malakhov V, Marcelli L, Martucci M, Mayorov AG, Menn W, Mergé M, Mikhailov VV, Mocchiutti E, Monaco A, Mori N, Munini R, Osteria G, Palma F, Papini P, Pearce M, Picozza P, Pizzolotto C, Ricci M, Ricciarini SB, Rossetto L, Sarkar R, Scotti V, Simon M, Sparvoli R, Spillantini P, Stochaj SJ, Stockton JC, Stozhkov YI, Vacchi A, Vannuccini E, Vasilyev GI, Voronov SA, Yurkin YT, Zampa G, Zampa N, Zverev VG.
PMID: 24010424
Phys Rev Lett. 2013 Aug 23;111(8):081102. doi: 10.1103/PhysRevLett.111.081102. Epub 2013 Aug 19.

Precision measurements of the positron component in the cosmic radiation provide important information about the propagation of cosmic rays and the nature of particle sources in our Galaxy. The satellite-borne experiment PAMELA has been used to make a new...

Long-Range Orientational Self-Assembly, Spatially Controlled Deprotonation, and Off-Centered Metalation of an Expanded Porphyrin.

Journal of the American Chemical Society

Cirera B, Trukhina O, Björk J, Bottari G, Rodríguez-Fernández J, Martin-Jimenez A, Islyaikin MK, Otero R, Gallego JM, Miranda R, Torres T, Ecija D.
PMID: 28889740
J Am Chem Soc. 2017 Oct 11;139(40):14129-14136. doi: 10.1021/jacs.7b06406. Epub 2017 Sep 27.

Expanded porphyrins are large-cavity macrocycles with enormous potential in coordination chemistry, anion sensing, photodynamic therapy, and optoelectronics. In the last two decades, the surface science community has assessed the physicochemical properties of tetrapyrrolic-like macrocycles. However, to date, the sublimation,...

Pulsed low-intensity ultrasound increases proliferation and extracelluar matrix production by human dermal fibroblasts in three-dimensional culture.

Journal of tissue engineering

Bohari SP, Grover LM, Hukins DW.
PMID: 26668710
J Tissue Eng. 2015 Nov 19;6:2041731415615777. doi: 10.1177/2041731415615777. eCollection 2015.

This study evaluated the effect of pulsed low-intensity ultrasound on cell proliferation, collagen production and glycosaminoglycan deposition by human dermal fibroblasts encapsulated in alginate. Hoechst 33258 assay for cell number, hydroxyproline assay for collagen content, dimethylmethylene blue assay for...

Making the invisible visible: improved electrospray ion formation of metalloporphyrins/-phthalocyanines by attachment of the formate anion (HCOO(-)).

The Analyst

Hitzenberger JF, Dammann C, Lang N, Lungerich D, García-Iglesias M, Bottari G, Torres T, Jux N, Drewello T.
PMID: 26753183
Analyst. 2016 Feb 21;141(4):1347-55. doi: 10.1039/c5an02148k.

A protocol is developed for the coordination of the formate anion (HCOO(-)) to neutral metalloporphyrins (Pors) and -phthalocyanines (Pcs) containing divalent metals as a means to improve their ion formation in electrospray ionization (ESI). This method is particularly useful...

Accurate multiple time step in biased molecular simulations.

Journal of chemical theory and computation

Ferrarotti MJ, Bottaro S, Pérez-Villa A, Bussi G.
PMID: 26574212
J Chem Theory Comput. 2015 Jan 13;11(1):139-46. doi: 10.1021/ct5007086. Epub 2014 Dec 23.

Many recently introduced enhanced sampling techniques are based on biasing coarse descriptors (collective variables) of a molecular system on the fly. Sometimes the calculation of such collective variables is expensive and becomes a bottleneck in molecular dynamics simulations. An...

Subtle Monte Carlo Updates in Dense Molecular Systems.

Journal of chemical theory and computation

Bottaro S, Boomsma W, E Johansson K, Andreetta C, Hamelryck T, Ferkinghoff-Borg J.
PMID: 26596617
J Chem Theory Comput. 2012 Feb 14;8(2):695-702. doi: 10.1021/ct200641m. Epub 2012 Jan 18.

Although Markov chain Monte Carlo (MC) simulation is a potentially powerful approach for exploring conformational space, it has been unable to compete with molecular dynamics (MD) in the analysis of high density structural states, such as the native state...

MET Inhibition in Clear Cell Renal Cell Carcinoma.

Journal of Cancer

Xie Z, Lee YH, Boeke M, Jilaveanu LB, Liu Z, Bottaro DP, Kluger HM, Shuch B.
PMID: 27390595
J Cancer. 2016 Jun 18;7(10):1205-14. doi: 10.7150/jca.14604. eCollection 2016.

BACKGROUND: Clear cell renal cell carcinoma (ccRCC) is the most lethal form of kidney cancer. Small molecule VEGFR inhibitors are widely used but are not curative and various resistance mechanisms such as activation of the MET pathway have been...

Subphthalocyanines Axially Substituted with a Tetracyanobuta-1,3-diene-Aniline Moiety: Synthesis, Structure, and Physicochemical Properties.

Journal of the American Chemical Society

Winterfeld KA, Lavarda G, Guilleme J, Sekita M, Guldi DM, Torres T, Bottari G.
PMID: 28322560
J Am Chem Soc. 2017 Apr 19;139(15):5520-5529. doi: 10.1021/jacs.7b01460. Epub 2017 Apr 06.

A 1,1,4,4-tetracyanobuta-1,3-diene (TCBD)-aniline moiety has been introduced, for the first time, at the axial position of two subphthalocyanines (SubPcs) peripherally substituted with hydrogen (H

Time Dependence of the Electron and Positron Components of the Cosmic Radiation Measured by the PAMELA Experiment between July 2006 and December 2015.

Physical review letters

Adriani O, Barbarino GC, Bazilevskaya GA, Bellotti R, Boezio M, Bogomolov EA, Bongi M, Bonvicini V, Bottai S, Bruno A, Cafagna F, Campana D, Carlson P, Casolino M, Castellini G, De Santis C, Di Felice V, Galper AM, Karelin AV, Koldashov SV, Koldobskiy SA, Krutkov SY, Kvashnin AN, Leonov A, Malakhov V, Marcelli L, Martucci M, Mayorov AG, Menn W, Mergé M, Mikhailov VV, Mocchiutti E, Monaco A, Mori N, Munini R, Osteria G, Panico B, Papini P, Pearce M, Picozza P, Ricci M, Ricciarini SB, Simon M, Sparvoli R, Spillantini P, Stozhkov YI, Vacchi A, Vannuccini E, Vasilyev GI, Voronov SA, Yurkin YT, Zampa G, Zampa N, Potgieter MS, Vos EE.
PMID: 27367381
Phys Rev Lett. 2016 Jun 17;116(24):241105. doi: 10.1103/PhysRevLett.116.241105. Epub 2016 Jun 17.

Cosmic-ray electrons and positrons are a unique probe of the propagation of cosmic rays as well as of the nature and distribution of particle sources in our Galaxy. Recent measurements of these particles are challenging our basic understanding of...

Synthesis and characterization of a benzene-centered, phthalocyanine hexamer.

Chemical communications (Cambridge, England)

Bottari G, Torres T.
PMID: 15568059
Chem Commun (Camb). 2004 Dec 07;(23):2668-9. doi: 10.1039/b411960f. Epub 2004 Oct 14.

The first benzene-centered, phthalocyanine hexamer has been synthesized by a dicobaltoctacarbonyl-catalyzed trimerization reaction of an ethynyl-bridged bisphthalocyanine and characterized by different spectrometric and spectroscopic techniques.

Unusual mesomorphic behaviour of an ethynyl-substituted phthalocyanine.

Chemical communications (Cambridge, England)

García-Frutos EM, Bottari G, Vázquez P, Barberá J, Torres T.
PMID: 16855701
Chem Commun (Camb). 2006 Aug 07;(29):3107-9. doi: 10.1039/b604731a. Epub 2006 Jun 14.

An ethynyl-substituted nickel(II) phthalocyanine has been synthesised and its thermotropic properties studied; optical microscopy, differential scanning calorimetry (DSC) and X-ray diffraction (XRD) techniques revealed an unusual mesomorphic behaviour observed for the first time in phthalocyanine systems where each disk...

Correlation between retention behaviour and GC-FTIR data in the study of flavonoids.

Talanta

Horváth E, Mink J, Bottari E, Fest MR.
PMID: 18966320
Talanta. 1995 Jul;42(7):979-82.

Trimethylsilyl derivatives of 10 different hydroxy- and methoxyhydroxyflavonoid compounds were studied by the GC-FTIR technique. Optimal deviation parameters were determined for the flavonoids studied. The correlation found between retention and gas-phase IR data can successfully be used in structural...

Showing 1 to 12 of 167 entries