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Background: The intensity of the electric field applied to a brain tumor by electric field therapy is influenced by the position of the electrode array, which should be optimized based on the patient's head shape and tumor characteristics.…

We examine wave propagation and the formation of shocks in strongly magnetized plasmas by applying a variational technique and the method of characteristics to the coupled magnetohydrodynamic (MHD) and quantum-electrodynamic (QED) equations…

High Energy Physics - Theory · Physics 2009-10-31 Jeremy S. Heyl , Lars Hernquist

The mechanical properties of PC12 living cells have been studied at the nanoscale with a Force Feedback Microscope using two experimental approaches. Firstly, the local mechanical impedance of the cell membrane has been mapped…

The pathogenesis and progression of many tumors, including hematologic malignancies is highly dependent on enhanced lipogenesis. De novo fatty-acid synthesis permits accelerated proliferation of tumor cells by providing structural…

Tissues and Organs · Quantitative Biology 2016-12-04 Christian Thiede , Gerhard Ehninger , Kai Simons , Michal Grzybek , Adam Stefanko

Star formation in the centers of galaxies is thought to yield massive stars with a possibly top-heavy stellar mass distribution. It is likely that magnetic fields play a crucial role in the distribution of stellar masses inside star-forming…

Astrophysics of Galaxies · Physics 2012-08-03 S. Hocuk , D. R. G. Schleicher , M. Spaans , S. Cazaux

A typical cell culture CO2 incubator was probed in detail to document the pattern of 60-Hz magnetic fields (MFs) inside the unit, as well as the ability of the incubator to attenuate environmental MFs. Subsequently, a survey of 46 cell…

Quantitative Methods · Quantitative Biology 2012-11-13 Su Dong , Paul Heroux

Coupling effects among different physical fields substantially reflect the conversion of energies from one form into another. For simple physical processes, their governing or constitutive equations all satisfy the law of conservation of…

General Physics · Physics 2021-03-02 Peng Zhou

Mutations in the epidermal growth factor receptor (EGFR) are common in non-small cell lung cancer (NSCLC), particularly in never-smoker patients. However, these mutations are not always carcinogenic, and have recently been reported in…

Cell Behavior · Quantitative Biology 2024-03-12 Helena Coggan , Clare E. Weeden , Philip Pearce , Mohit P. Dalwadi , Alastair Magness , Charles Swanton , Karen M. Page

Breast cancer is one of the most challenging global health problems among women. This study investigates the intricate breast tumor microenvironment (TME) dynamics utilizing data from Mammary-specific Polyomavirus Middle T Antigen…

Quantitative Methods · Quantitative Biology 2024-04-11 Navid Mohammad Mirzaei , Panayotis G. Kevrekidis , Leili Shahriyari

Very recently, the National Toxicology Program reported a correlation between exposure to whole body 900 MHz radiofrequency radiation and cancer in the brains and hearts of Sprague Dawley male rats. This paper proposes the following…

Tissues and Organs · Quantitative Biology 2017-07-20 Bernard J. Feldman

We consider physics behind the FLASH modality of cancer radiation treatment where extremely short treatment times are achieved with ultra high dose rates maintaining the conventional antitumor effectiveness and yet substantially reducing…

Medical Physics · Physics 2026-03-19 Diana Shvydka , Victor Karpov , Nilendu Gupta

Spiral waves of excitation in cardiac tissue are associated with life-threatening cardiac arrhythmias. It is, therefore, important to study the electrophysiological factors that affect the dynamics of these spiral waves. By using an…

Biological Physics · Physics 2021-08-17 Mahesh Kumar Mulimani , Soling Zimik , Rahul Pandit

The effects of surface curvature on the motion of electrons in a mesoscopic two-dimensional ring on a cone in the presence of external magnetic fields are examined. The approach follows the thin-layer quantization procedure, which gives…

Mesoscale and Nanoscale Physics · Physics 2019-11-04 Luís Fernando C. Pereira , Fabiano M. Andrade , Cleverson Filgueiras , Edilberto O. Silva

We report on bifurcations effect mediated by the electron-phonon coupling in a concentrated rare-earth-containing antiferromagnet, observed in the spectra of coupled $4f$-electron-phonon modes under the influence of an external magnetic…

The primordial magnetic fields (PMFs) produced in the early universe are expected to be the origin of the large-scale cosmic magnetic fields. The PMFs are considered to leave a footprint on the cosmic microwave background (CMB) anisotropies…

Cosmology and Nongalactic Astrophysics · Physics 2021-05-17 Teppei Minoda , Kiyotomo Ichiki , Hiroyuki Tashiro

Gate-modulated low-temperature Raman spectra reveal that the electric field effect (EFE), pervasive in contemporary electronics, has marked impacts on long wavelength optical phonons of graphene. The EFE in this two dimensional honeycomb…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Jun Yan , Yuanbo Zhang , Philip Kim , Aron Pinczuk

We investigated the magnetic field effects (MFEs) in organic light-emitting diodes (OLEDs) through the transient electroluminescence (EL) method. The time-resolved MFEs on the emission were obtained for the first time, which would be a…

Materials Science · Physics 2011-07-11 Qiming Peng , Xianjie Li , Feng Li

We suggest a mechanism of energy transformation from fast magnetosonic waves propagating across a magnetic field to Alfv{\'e}n waves propagating along the field. The mechanism is based on {\it swing wave-wave interaction} [T.V.…

Astrophysics · Physics 2009-11-07 T. v. Zaqarashvili , B. Roberts

The evolution of non-potential perturbations to a current-free magnetic X-point configuration is studied, taking into account electron inertial effects as well as resistivity. Electron inertia is shown to have a negligible effect on the…

Astrophysics · Physics 2009-11-10 K. G. McClements , A. Thyagaraja , N. Ben Ayed , L. Fletcher

The electronic structure of few-layer(FL) black phosphorus(BP) sensitively depends on the sample thickness, strain and doping. In this paper, we show that it is also vulnerable to air-exposure. The oxidation of BP caused by air-exposure…

Mesoscale and Nanoscale Physics · Physics 2019-03-27 Fanjie Wang , Guowei Zhang , Shenyang Huang , Chaoyu Song , Chong Wang , Qiaoxia Xing , Yuchen Lei , Hugen Yan