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Showing 1 to 12 of 523 entries
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Oil lenses on the air-water surface and the validity of Neumann's rule.

Advances in colloid and interface science

Nikolov A, Wasan D.
PMID: 27217081
Adv Colloid Interface Sci. 2017 Jun;244:174-183. doi: 10.1016/j.cis.2016.05.003. Epub 2016 May 10.

Many studies have focused on the mechanisms of oil spreading over the air-water surface, oil lens formation, and lens dynamics: Franklin et al.(1774), Rayleigh (1890), Neumann and Wangerin (1894), Hardy (1912), Lyons (1930), Langmuir (1933), Miller (1941), Zisman (1941),...

Coherent selection of invisible high-order electromagnetic excitations.

Scientific reports

Tseng ML, Fang X, Savinov V, Wu PC, Ou JY, Zheludev NI, Tsai DP.
PMID: 28295021
Sci Rep. 2017 Mar 15;7:44488. doi: 10.1038/srep44488.

Far-field spectroscopy and mapping of electromagnetic near-field distribution are the two dominant tools for analysis and characterization of the electromagnetic response in nanophotonics. Despite the widespread use, these methods can fail at identifying weak electromagnetic excitations masked by stronger...

Abnormal levels of age-elastin derived peptides in sera of diabetic patients with arterial hypertension.

Central-European journal of immunology

Nikolov A, Tsinlikov I, Nicoloff G, Tsinlikova I, Blazhev A, Garev A.
PMID: 26155146
Cent Eur J Immunol. 2014;39(3):345-51. doi: 10.5114/ceji.2014.45946. Epub 2014 Oct 14.

INTRODUCTION: An important factor in vascular wall alterations is degradation of elastic fiber major protein - elastin. As a result, elastin derived peptides (EDP) are found in circulation. Advanced glycation might also involve elastin, because it is a protein...

Plasmonic nanoclocks.

Nano letters

Liu H, Wang Z, Huang J, Liu YJ, Fan HJ, Zheludev NI, Soci C.
PMID: 25088185
Nano Lett. 2014 Sep 10;14(9):5162-9. doi: 10.1021/nl501997z. Epub 2014 Aug 05.

Plasmonic spectra of "nanoclock" metamaterials can be topologically mapped on a torus. We manufactured arrays of such a metamaterial with different "time" shown on the clocks and demonstrated that the near-infrared spectra of the nanostructures can be predictably tuned...

Thrombin generation measured as thrombin-antithrombin complexes predicts clinical outcomes in patients with cirrhosis.

Hepatology research : the official journal of the Japan Society of Hepatology

Kalambokis GN, Oikonomou A, Baltayiannis G, Christou L, Kolaitis NI, Tsianos EV.
PMID: 25847196
Hepatol Res. 2016 Mar;46(3):E36-44. doi: 10.1111/hepr.12520. Epub 2015 May 22.

AIM: Hypercoagulability has been detected in patients with cirrhosis yet its clinical significance remains unclear. We investigated the association of hypercoagulability with clinical outcomes in patients with cirrhosis.METHODS: Thrombin-antithrombin (TAT) complexes as thrombin generation (TG) marker, D-dimer, antithrombin (AT),...

Ultrafast Coherent Absorption in Diamond Metamaterials.

Advanced materials (Deerfield Beach, Fla.)

Karvounis A, Nalla V, MacDonald KF, Zheludev NI.
PMID: 29484734
Adv Mater. 2018 Apr;30(14):e1707354. doi: 10.1002/adma.201707354. Epub 2018 Feb 27.

Diamond is introduced as a material platform for visible/near-infrared photonic metamaterials, with a nanostructured polycrystalline diamond metasurface only 170 nm thick providing an experimental demonstration of coherent light-by-light modulation at few-optical-cycle (6 fs) pulse durations. "Coherent control" of absorption...

Diffraction of partially-coherent light beams by microlens arrays.

Optics express

Petrov NI, Petrova GN.
PMID: 29041563
Opt Express. 2017 Sep 18;25(19):22545-22564. doi: 10.1364/OE.25.022545.

The synthesis method including wave-optics and ray-tracing for the acceleration of the simulation of micro-optical systems has been developed. The effects of the spatial coherence and randomization of microlens array (MLA) parameters have been considered. The method based on...

Coherent control of light-matter interactions in polarization standing waves.

Scientific reports

Fang X, MacDonald KF, Plum E, Zheludev NI.
PMID: 27514307
Sci Rep. 2016 Aug 12;6:31141. doi: 10.1038/srep31141.

We experimentally demonstrate that standing waves formed by two coherent counter-propagating light waves can take a variety of forms, offering new approaches to the interrogation and control of polarization-sensitive light-matter interactions in ultrathin (subwavelength thickness) media. In contrast to...

Novel PAMAM Dendron as a Bichromophoric Probe Based on Rhodamine 6G and 1,8-Naphthalimide.

Journal of fluorescence

Dimitrova MD, Georgiev NI, Bojinov VB.
PMID: 27048224
J Fluoresc. 2016 May;26(3):1091-100. doi: 10.1007/s10895-016-1799-y. Epub 2016 Apr 06.

A novel PAMAM dendron designed as a wavelength-shifting bichromophore with 1,8-naphthalimide energy "donor" capable of absorbing light and efficiently transferring the energy to a focal Rhodamine 6G "acceptor" was synthesized and investigated. Moreover, the system was configured on the...

HAT-P-26b: A Neptune-mass exoplanet with a well-constrained heavy element abundance.

Science (New York, N.Y.)

Wakeford HR, Sing DK, Kataria T, Deming D, Nikolov N, Lopez ED, Tremblin P, Amundsen DS, Lewis NK, Mandell AM, Fortney JJ, Knutson H, Benneke B, Evans TM.
PMID: 28495748
Science. 2017 May 12;356(6338):628-631. doi: 10.1126/science.aah4668.

A correlation between giant-planet mass and atmospheric heavy elemental abundance was first noted in the past century from observations of planets in our own Solar System and has served as a cornerstone of planet-formation theory. Using data from the...

Characterization of genomic changes in the cervical pre-cancerous lesions and tumors induced by different types of human papillomaviruses.

Virusdisease

Grozdanov P, Hadjidekova S, Dimova I, Nikolova I, Toncheva D, Ganchev G, Zlatkov V, Galabov AS.
PMID: 28466039
Virusdisease. 2016 Sep;27(3):271-276. doi: 10.1007/s13337-016-0338-4. Epub 2016 Aug 09.

Cervical carcinoma is the second most common malignancy among women in both incidence and mortality. Although much is known about the etiology and treatment of cervical cancer, the role of genetic alterations in the multistep pathway of cervical tumorigenesis...

Sharp Toroidal Resonances in Planar Terahertz Metasurfaces.

Advanced materials (Deerfield Beach, Fla.)

Gupta M, Savinov V, Xu N, Cong L, Dayal G, Wang S, Zhang W, Zheludev NI, Singh R.
PMID: 27417674
Adv Mater. 2016 Oct;28(37):8206-8211. doi: 10.1002/adma.201601611. Epub 2016 Jul 15.

A toroidal dipole in metasurfaces provides an alternate approach for the excitation of high-Q resonances. In contrast to conventional multipoles, the toroidal dipole interaction strength depends on the time derivative of the surrounding electric field. A characteristic feature of...

Showing 1 to 12 of 523 entries