Results 251 to 260 of about 171,697 (306)

Resonant Domain Wall Dynamics in a Three‐Dimensional Magnetic Nano Double Helix

Advanced Materials, EarlyView.
3D magnetic nanostructures promise exciting possibilities for magnetization dynamics. However, experimental realizations remain scarce. In nanoprinted cobalt double helices, time‐resolved X‐ray microscopy reveals harmonic domain wall dynamics. Simulations identify the mode and additional higher‐frequency resonances, revealing a rich dynamic landscape ...
Pamela Morales‐Fernández, Iason Konstantinos‐Douveas, Claas Abert, Elina Zhakina, Sandra Ruiz‐Gómez, Claudia Fernández‐González, Luke Alexander Turnbull, Sebastian Wintz, Markus König, Simone Finizio, Markus Weigand, Naëmi Leo, Dieter Suess, Aurelio Hierro‐Rodríguez, Amalio Fernández‐Pacheco, Claire Donnelly   +15 more
wiley   +1 more source

A Super‐Adhesive Air Filter With Capillarity‐Mediated Spontaneous Particle Absorption via Dynamic Bond Exchange

Advanced Materials, EarlyView.
We address the inherently weak particle adhesion of conventional air filters by coating a dynamically crosslinked adhesive layer that delivers capillarity‐driven strong adhesion and particle absorption mediated by dynamic bond exchange. The resulting enhancement in particle adhesion enables efficient ultrafast (up to 20 m s−1) and omnidirectional ...
Junyong Park, Hyeri Jeon, Hyunwoong Park, Ji Min Lee, Yeomyung Yoon, Gyeong Hwan Choi, Sazzadul A. Rahat, Dong Wook Lee, Sohdam Jeong, Jonathan T. Pham, Chae Bin Kim, Sanghyuk Wooh   +11 more
wiley   +1 more source

A Mechanistic Study of Bio‐Based Nanotemplated Carbon Nanofibers Derived From Water Processable Lignin Blends for Sustainable Energy Storage Applications

Advanced Materials, EarlyView.
As‐spun carbon materials produced from Lignosulfonate, gelatin, and alginate, selected for water solubility, and ability to produce templated sustainable carbon nanostructures. Gelatin and alginate are sacrificial during thermal processing, allowing the production of engineered high surface area nanostructures, which are further characterized for ...
Judith Miralda‐Jalle, Jamal El Haskouri, Shayon Bhattacharya, Anne Beaucamp, Tadhg Kennedy, Mario Culebras, Maurice N. Collins   +6 more
wiley   +1 more source

Conductive Hydrogels for Exogenous Sensing and Cell Fate Control

Advanced Materials, EarlyView.
We engineer electrically conductive hydrogels by combining sulfated glycosaminoglycans with semiconducting polymers. These hydrogels bind bioactive proteins, including growth factors, whose release or retention can be modulated by low‐voltage stimulation. The hydrogels are also integrated as 3D channels in organic electrochemical transistors as part of
Teuku Fawzul Akbar, Carlos Alejandro Jimenez‐Rodriguez, Railia Biktimirova, Ilka Hermes, Thomas Kurth, My Duyen Pham, Mikhail Tsurkan, Jens Friedrichs, Francis L. C. Morgan, Hans Kleemann, Olga Guskova, Uwe Freudenberg, Peter Fratzl, Carsten Werner, Christoph Tondera, Ivan R. Minev   +15 more
wiley   +1 more source

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Effective suppression of multiply scattered light in static and dynamic light scattering

Applied Optics, 1998
The evaluation of conventional light-scattering experiments in turbid media is often highly complicated because of the presence of multiple scattering contributions. The three-dimensional (3-D) cross-correlation method presented provides an effective and handy method to suppress the influence of multiply scattered light. As the time dependence of the 3-
L B, Aberle, P, Hülstede, S, Wiegand, W, Schröer, W, Staude   +4 more
openaire   +2 more sources

Dynamic light scattering studies of ribonuclease

Biophysical Chemistry, 1980
Dynamic light scattering has been used to measure the translational diffusion coefficients of bovine pancreatic ribonuclease A as functions of temperature and concentration in the presence of 1 M Guanidine-HCl. Data was collected throughout a temperature range including the folding-unfolding transitions.
C C, Wang, K H, Cook, R, Pecora
openaire   +2 more sources

Dynamic Light Scattering

2001
As the name implies, Dynamic Light Scattering analyzes the temporal behavior of light scattered by a sample fluid, enabling a number of properties of the sample to be determined. The theoretical foundations of this method were laid at the beginning of the century, but the high resolution required to detect and measure the small frequency shifts and ...
Boris Kruppa, Martin Pitschmann, Johannes Straub   +2 more
openaire   +1 more source

Dynamic Light Scattering Of Biopolymers And Biocolloid

CRC Critical Reviews in Biochemistry, 1977
Widespread applications of dynamic light scattering techniques to the study of macromolecular Brownian motion have yielded not only a valuable store of factual information concerning solution conformations and conformational changes, but have also provided an important window through which to view the dynamics of internal modes of motion.
J. Michael Schurr, Victor Bloomfield
openaire   +2 more sources

Resonance enhanced dynamic light scattering

Review of Scientific Instruments, 2011
We present a novel light scattering setup that enables probing of dynamics near solid surfaces. An evanescent wave generated by a surface plasmon resonance in a metal layer is the incident light field in the dynamic light scattering experiment.
Plum, M., Menges, B., Fytas, G., Butt, H., Steffen, W.   +4 more
openaire   +3 more sources

Dynamic light scattering in subdiffusive regimes

Applied Optics, 2001
For describing the fluctuating signal scattered from a multiple-scattering system, diffusive-wave spectroscopy makes use of a diffusion model that provides the path-length distribution of scattered waves for a specific geometry. Using the recently introduced optical path-length spectroscopy, we show that the diffusion model fails to describe wave ...
Popescu, Gabriel, Dogariu, Aristide
openaire   +3 more sources