Results 211 to 220 of about 1,034 (248)

Conformational Landscapes in the Ground and Excited States Dictate Circularly Polarized Excimer Emission: A Thermodynamic–Kinetic Interplay in Carbazole Dimer Systems

Angewandte Chemie, Volume 138, Issue 23, 1 June 2026.
Covalently linked carbazole dimers exhibit intense excimer‐based circularly polarized luminescence (CPL). A simple propylene‐tethered dimer achieves glum ≈ 0.01 in the violet region—among the highest for small organic emitters without heavy atoms. Conformational mapping reveals CPL is governed by thermodynamic/kinetic control of emissive conformers ...
Tomohiro Kujime, Zhe Wang, Tadashi Mori
wiley   +1 more source

Antigenicity and immunogenicity of different morphological forms of Borrelia burgdorferi sensu lato spirochetes. [PDF]

Sci Rep
Sloupenska K, Koubkova B, Horak P, Dolezilkova J, Hutyrova B, Racansky M, Miklusova M, Mares J, Raska M, Krupka M.   +9 more
europepmc   +1 more source

Biological kinematics: a detailed review of the velocity-curvature power law calculation. [PDF]

Exp Brain Res
Fraser DS, Di Luca M, Cook JL.
europepmc   +1 more source

The Logarithmic Spiral of Cosmological Horizons

openaire   +2 more sources

Logarithmic Spirals and Computer Art

, 1989
Interesting geometric patterns are obtained by mapping a rectangular region in one coordinate system onto an annular region in another coordinate system. The mapping involves logarithmic spirals and several examples are presented which involve interlocking spirals, cubes and dragon patterns.
K. G. Suffern
exaly   +4 more sources

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Approximation of logarithmic spirals

Computer Aided Geometric Design, 1997
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Christoph Baumgarten, Gerald E. Farin
openaire   +3 more sources

On a Property of Logarithmic Spirals

Mathematics Magazine, 1968
Logarithmic spirals, analyzing curve on surface of cylinder, existence and conditions of ellipticity conditions, determining curve transformation into ellipse based on logarithmic spiral ...
N. X. Vinh, A. Zirakzadeh
exaly   +5 more sources

LOGARITHMIC SPIRALS

, 2014
exaly   +4 more sources

Beautiful Math--Aesthetic Patterns Based on Logarithmic Spirals

IEEE Computer Graphics and Applications, 2013
A simple, fast method generates various visually appealing spiral patterns. The method is based on the concept that spiral patterns comprise a symmetry group of tilings. It employs invariant mappings and a dynamical system to create seamless colored patterns.
Xinchang Wang, Peichang Ouyang
openaire   +4 more sources

F. Controlled generalized logarithmic spirals

, 2017
exaly   +4 more sources