Results 241 to 250 of about 1,793,986 (298)

An All‐Optical Driven Bio‐Photovoltaic Interface for Active Control of Live Cells

Advanced Functional Materials, EarlyView.
Bio‐photovoltaic Interface (BIO‐PV‐I) for live cell manipulation is presented. BIO‐PV‐I can be activated non‐invasively and remotely to control the spatial motility, adhesion, and morphology of cells adhering to it. BIO‐PV‐I uses a patterned light‐induced electric potential in iron‐doped lithium niobate crystals whose light‐driven and reversible nature,
Lisa Miccio, Martina Mugnano, Valentina Marchesano, Alejandro Calabuig, Zhe Wang, Gennaro Giordano, Francesca Borrelli, Simonetta Grilli, Pietro Ferraro   +8 more
wiley   +1 more source

Three‐dimensional Antimony Sulfide Based Flat Optics

Advanced Functional Materials, EarlyView.
This work presents the development of a grayscale electron beam lithography (g‐EBL) method for fabricating antimony trisulfide (Sb2S3) nanostructures with customizable 3D profiles. The refractive index of g‐EBL patterned Sb2S3 is determined based on the synergy of genetic algorithm and transfer matrix method.
Wei Wang, Uwe Hübner, Anne Gärtner, Tao Chen, Joseph Köbel, Franka Jahn, Daniel Repp, Abhrodeep Dey, Henrik Schneidwind, Andrea Dellith, Jan Dellith, Torsten Wieduwilt, Matthias Zeisberger, Tanveer Ahmed Shaik, Astrid Bingel, Markus A. Schmidt, Jer‐Shing Huang, Ulf Peschel, Volker Deckert   +18 more
wiley   +1 more source

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Electron Temperature Gradient Turbulence

Physical Review Letters, 2000
The first toroidal, gyrokinetic, electromagnetic simulations of small scale plasma turbulence are presented. The turbulence considered is driven by gradients in the electron temperature. It is found that electron temperature gradient (ETG) turbulence can induce experimentally relevant thermal losses in magnetic confinement fusion devices.
Dorland, W., Jenko, F., Kotschenreuther, M., Rogers, B.   +3 more
openaire   +3 more sources

Microfluidic Temperature Gradient Focusing

Analytical Chemistry, 2002
A new technique is described for the concentration and separation of ionic species in solution within microchannels or capillaries. Concentration is achieved by balancing the electrophoretic velocity of an analyte against the bulk flow of solution in the presence of a temperature gradient.
David, Ross, Laurie E, Locascio
openaire   +2 more sources

Scanning Temperature Gradient Focusing

Analytical Chemistry, 2006
Temperature gradient focusing (TGF) is a recently developed technique for the simultaneous concentration and electrophoretic separation of ionic analytes in microfluidic channels. One drawback to TGF as it has previously been described is the limited peak capacity; only a small number of analyte peaks (approximately 2-3) can be simultaneously focused ...
Stacey J, Hoebel, Karin M, Balss, Barbara J, Jones, Constantin D, Malliaris, Matthew S, Munson, Wyatt N, Vreeland, David, Ross   +6 more
openaire   +2 more sources

Temperature gradients and prebiological evolution

Cell Biophysics, 1987
Thermodiffusive transport of trace elements that play important roles in living organisms, such as molybdenum, nickel, copper, and vanadium, was studied in a nonisothermal biphasic system comprised of a liquid solution and jelly layers. Our intent was to mimic the effects of temperature gradients on prebiological evolution.
F S, Gaeta, U, Bencivenga, P, Canciglia, S, Rossi, D G, Mita   +4 more
openaire   +2 more sources

Electron temperature gradient driven turbulence

Physics of Plasmas, 2000
Collisionless electron-temperature-gradient-driven (ETG) turbulence in toroidal geometry is studied via nonlinear numerical simulations. To this aim, two massively parallel, fully gyrokinetic Vlasov codes are used, both including electromagnetic effects.
Jenko, F., Dorland, W., Kotschenreuther, M., Rogers, B.   +3 more
openaire   +2 more sources

Temperature Gradients in Periodontal Pockets

Journal of Periodontology, 1991
This study was undertaken to determine whether there is any correlation of temperature within periodontal pockets with their depths. Pocket temperatures were measured with a thermocouple at 1 mm intervals of depth in 247 pockets, in 20 patients with periodontitis, mesiobucally and mesiopalatally/mesiolingually in relation to 6 standard teeth.
R H, Meyerov, J, Lemmer, P E, Cleaton-Jones, A, Volchansky   +3 more
openaire   +2 more sources

Temperature Gradient Focusing

2002
A new gradient focusing method, temperature gradient focusing (TGF), is described. In TGF, a buffer is used with a temperature-dependent ionic strength, so that when a temperature gradient is applied to the system it results in a corresponding electrophoretic velocity gradient.
David Ross, Laurie E. Locascio
openaire   +1 more source