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Showing 1 to 12 of 164 entries
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Antimicrobial activities, toxicity and phenolic composition of Asphodeline anatolica E. Tuzlaci leaf extracts from Turkey.

Natural product research

Marino A, Zengin G, Nostro A, Ginestra G, Dugo P, Cacciola F, Miceli N, Taviano MF, Filocamo A, Bisignano G, Aktumsek A.
PMID: 26727992
Nat Prod Res. 2016 Nov;30(22):2620-2623. doi: 10.1080/14786419.2015.1129330. Epub 2016 Jan 04.

The antimicrobial activity of acetone, methanol and aqueous extracts of Asphodeline anatolica E. Tuzlaci leaves was evaluated against American type culture collection, food and clinical isolates (Listeria monocytogenes and Staphylococcus aureus including methicillin-resistant strains-MRSA). Biofilm formation, toxicity and characterisation...

Sub-ms dynamics of the instability onset of electrospinning.

Soft matter

Montinaro M, Fasano V, Moffa M, Camposeo A, Persano L, Lauricella M, Succi S, Pisignano D.
PMID: 25855945
Soft Matter. 2015 May 07;11(17):3424-31. doi: 10.1039/c4sm02708f.

Electrospun polymer jets are imaged for the first time at an ultra-high rate of 10,000 frames per second, investigating the process dynamics, and the instability propagation velocity and displacement in space. The polymer concentration, applied voltage bias and needle-collector...

Threading through Macrocycles Enhances the Performance of Carbon Nanotubes as Polymer Fillers.

ACS nano

López-Moreno A, Nieto-Ortega B, Moffa M, de Juan A, Bernal MM, Fernández-Blázquez JP, Vilatela JJ, Pisignano D, Pérez EM.
PMID: 27454946
ACS Nano. 2016 Aug 23;10(8):8012-8. doi: 10.1021/acsnano.6b04028. Epub 2016 Jul 29.

In this work, we study the reinforcement of polymers by mechanically interlocked derivatives of single-walled carbon nanotubes (SWNTs). We compare the mechanical properties of fibers made of polymers and of composites with pristine SWNTs, mechanically interlocked derivatives of SWNTs...

Solid-state supramolecular organization, established directly from powder diffraction data, and photoluminescence efficiency of rigid-core oligothiophene-S,S-dioxides.

Journal of the American Chemical Society

Tedesco E, Della F, Favaretto L, Barbarella G, Albesa-Jové D, Pisignano D, Gigli G, Cingolani R, Harris KD.
PMID: 14519013
J Am Chem Soc. 2003 Oct 08;125(40):12277-83. doi: 10.1021/ja035570o.

The "rigid-core" material 3,5-dimethyl-2,3'-bis(3-methylthiophene)-dithieno[3,2-b:',3'-d]thiophene-4,4-dioxide (DTTOMe4) has the highest photoluminescence ever reported for thiophene-based molecules in the solid state. We report the structure of this material, determined directly from powder X-ray diffraction data using the Genetic Algorithm method for structure...

Emission properties of printed organic semiconductor lasers.

Optics letters

Pisignano D, Persano L, Mele E, Visconti P, Cingolani R, Gigli G, Barbarella G, Favaretto L.
PMID: 15751878
Opt Lett. 2005 Feb 01;30(3):260-2. doi: 10.1364/ol.30.000260.

We investigated the emission properties of a distributed-feedback resonator based on an organic semiconductor patterned by a novel printing technology. We observed the peak splitting of the photonic bandstructure of the periodic grating and extracted the effective refractive index...

Reduction of water evaporation in polymerase chain reaction microfluidic devices based on oscillating-flow.

Biomicrofluidics

Polini A, Mele E, Sciancalepore AG, Girardo S, Biasco A, Camposeo A, Cingolani R, Weitz DA, Pisignano D.
PMID: 20877657
Biomicrofluidics. 2010 Sep 01;4(3). doi: 10.1063/1.3481776.

Producing polymeric or hybrid microfluidic devices operating at high temperatures with reduced or no water evaporation is a challenge for many on-chip applications including polymerase chain reaction (PCR). We study sample evaporation in polymeric and hybrid devices, realized by...

Photocontrolled variations in the wetting capability of photochromic polymers enhanced by surface nanostructuring.

Langmuir : the ACS journal of surfaces and colloids

Athanassiou A, Lygeraki MI, Pisignano D, Lakiotaki K, Varda M, Mele E, Fotakis C, Cingolani R, Anastasiadis SH.
PMID: 16489825
Langmuir. 2006 Feb 28;22(5):2329-33. doi: 10.1021/la052122g.

The wetting characteristics of surfaces of polymers doped with photochromic spiropyran molecules can be tuned when irradiated with laser beams of properly chosen photon energy. The hydrophilicity is enhanced upon UV laser irradiation since the embedded nonpolar spiropyran molecules...

Enhancement of light polarization from electrospun polymer fibers by room temperature nanoimprint lithography.

Nanotechnology

Pagliara S, Camposeo A, Mele E, Persano L, Cingolani R, Pisignano D.
PMID: 20431187
Nanotechnology. 2010 May 28;21(21):215304. doi: 10.1088/0957-4484/21/21/215304. Epub 2010 Apr 30.

We demonstrate the enhancement of the polarization ratio of light emitted from electrospun conjugated polymer nanofibers, by means of nanoimprint lithography carried out at room temperature. We provide evidence of tailoring the polarization properties by patterning light-emitting fibers at...

Idiopathic pulmonary fibrosis complicated by acute thromboembolic disease: chest X-ray, HRCT and multi-detector row CT angiographic findings.

Journal of thoracic disease

Camera L, Campanile F, Imbriaco M, Ippolito R, Sirignano C, Santoro C, Galderisi M, Salvatore M.
PMID: 23372953
J Thorac Dis. 2013 Feb;5(1):82-6. doi: 10.3978/j.issn.2072-1439.2012.12.03.

Idiopathic pulmonary fibrosis (IPF) is a chronic diffuse interstitial disease characterized by a predominant reticular pattern of involvement of the lung parenchyma which can be well documented by High Resolution Computed Tomography (HRCT). While almost half of the patients...

Selective antimicrobial activities of Mitracarpus scaber Zucc. against Candida and Staphylococcus sp.

Phytomedicine : international journal of phytotherapy and phytopharmacology

Sanogo R, Germanò MP, De Pasquale R, Keita A, Bisignano G.
PMID: 23194627
Phytomedicine. 1996 Jan;2(3):265-8. doi: 10.1016/S0944-7113(96)80053-5.

Different extracts of Mitracarpus scaber aerial parts were investigated for in vitro antibacterical and antimycotic activities against strains of laboratory microorganisms and clinical isolates responsible for skin infections. The diethyl ether extract possesses a rather good activity: the minimum...

Conformational Evolution of Elongated Polymer Solutions Tailors the Polarization of Light-Emission from Organic Nanofibers.

Macromolecules

Camposeo A, Greenfeld I, Tantussi F, Moffa M, Fuso F, Allegrini M, Zussman E, Pisignano D.
PMID: 25067856
Macromolecules. 2014 Jul 22;47(14):4704-4710. doi: 10.1021/ma500390v. Epub 2014 Jul 10.

Polymer fibers are currently exploited in tremendously important technologies. Their innovative properties are mainly determined by the behavior of the polymer macromolecules under the elongation induced by external mechanical or electrostatic forces, characterizing the fiber drawing process. Although enhanced...

High performance piezoelectric devices based on aligned arrays of nanofibers of poly(vinylidenefluoride-co-trifluoroethylene).

Nature communications

Persano L, Dagdeviren C, Su Y, Zhang Y, Girardo S, Pisignano D, Huang Y, Rogers JA.
PMID: 23535654
Nat Commun. 2013;4:1633. doi: 10.1038/ncomms2639.

Multifunctional capability, flexible design, rugged lightweight construction and self-powered operation are desired attributes for electronics that directly interface with the human body or with advanced robotic systems. For these applications, piezoelectric materials, in forms that offer the ability to...

Showing 1 to 12 of 164 entries