Results 61 to 70 of about 966,659 (353)

Vacuum Self-Dressing of an Atom and Its Physical Effects

Physics
We consider a multilevel atom, such as a hydrogen atom, interacting with the quantum electromagnetic field in the dressed ground state of the interacting system.
Roberto Passante, Lucia Rizzuto
doaj   +1 more source

Stochastic Electrodynamics: Lessons from Regularizing the Harmonic Oscillator

Atoms, 2019
In this paper, the harmonic oscillator problem in Stochastic Electrodynamics is revisited. Using the exact shape of the Lorentz damping term prevents run-away effects.
Theodorus Maria Nieuwenhuizen
doaj   +1 more source

Coupled Electron Ion Monte Carlo Calculations of Atomic Hydrogen [PDF]

, 2004
We present a new Monte Carlo method which couples Path Integral for finite temperature protons with Quantum Monte Carlo for ground state electrons, and we apply it to metallic hydrogen for pressures beyond molecular dissociation.
Ceperley, David M., Holzmann, Markus, Pierleoni, Carlo   +2 more
core   +1 more source

pH‐mediated activation of the lysosomal arginine sensor SLC38A9

FEBS Letters, EarlyView.
Cells monitor nutrient levels via the lysosomal transporter SLC38A9 to activate the mechanistic target of rapamycin complex 1 (mTORC1). This study reveals that SLC38A9 function is regulated by pH. We identified histidine 544 as a critical pH sensor that undergoes conformational changes to control amino acid efflux from lysosomes; therefore, it ...
Xuelang Mu, Ampon Sae Her, Tamir Gonen
wiley   +1 more source

H2 formation via non-Born-Oppenheimer hydrogen migration in photoionized ethane

Nature Communications, 2023
Neutral H2 formation via intramolecular hydrogen migration in hydrocarbon molecules plays a vital role in many chemical and biological processes. Here, employing cold target recoil ion momentum spectroscopy (COLTRIMS) and pump-probe technique, we find ...
Yizhang Yang, Hao Ren, Ming Zhang, Shengpeng Zhou, Xiangxu Mu, Xiaokai Li, Zhenzhen Wang, Ke Deng, Mingxuan Li, Pan Ma, Zheng Li, Xiaolei Hao, Weidong Li, Jing Chen, Chuncheng Wang, Dajun Ding   +15 more
doaj   +1 more source

Hydrogen atom in a spherical well: linear approximation

, 2000
We discuss the boundary effects on a quantum system by examining the problem of a hydrogen atom in a spherical well. By using an approximation method which is linear in energy we calculate the boundary corrections to the ground-state energy and wave ...
Abramowitz M, Bernard R Cooper, David Djajaputra, de Groot S R, Goldman S, Gorecki J, Greiner W, Hull T E, Jacak L, Kumar V, LeSar R, Marin J L, Marin J L, Michels A, Seaborn J B, Shea R W, Skriver H L, Sommerfeld A, Varshni Y P, Varshni Y P, Wilcox W   +20 more
core   +1 more source

Potential therapeutic targeting of BKCa channels in glioblastoma treatment

Molecular Oncology, EarlyView.
This review summarizes current insights into the role of BKCa and mitoBKCa channels in glioblastoma biology, their potential classification as oncochannels, and the emerging pharmacological strategies targeting these channels, emphasizing the translational challenges in developing BKCa‐directed therapies for glioblastoma treatment.
Kamila Maliszewska‐Olejniczak, Karolina Pytlak, Sandra Jaworowska, Bogusz Kulawiak, Piotr Bednarczyk   +4 more
wiley   +1 more source

Pd Doped Co3O4 Loaded on Carbon Nanofibers as Highly Efficient Free-Standing Electrocatalyst for Oxygen Reduction and Oxygen Evolution Reactions

Frontiers in Chemistry, 2022
Self-supporting electrodes usually show excellent electrocatalytic performance which does not require coating steps, additional polymer binders, and conductive additives.
Ruyue Wang, Ruyue Wang, Deshuang Hu, Peng Du, Peng Du, Xiaodi Weng, Haolin Tang, Haolin Tang, Ruiming Zhang, Ruiming Zhang, Wei Song, Sen Lin, Kai Huang, Ru Zhang, Yonggang Wang, Dongyu Fan, Xuchao Pan, Ming Lei   +17 more
doaj   +1 more source

How can one probe Podolsky Electrodynamics?

, 2009
We investigate the possibility of detecting the Podolsky generalized electrodynamics constant $a$. First we analyze an ion interferometry apparatus proposed by B. Neyenhuis, et al (Phys. Rev. Lett.
Arfken G. B., Butkov E., C. A. M. DE MELO, L. G. MEDEIROS, P. J. POMPEIA, Pimentel B. M., R. R. CUZINATTO, Torres-Silva H.   +7 more
core   +1 more source

Large Ground-State Entropy Changes for Hydrogen Atom Transfer Reactions of Iron Complexes

Journal of the American Chemical Society, 2007
Elizabeth A. Mader, Ernest R. Davidson, James M. Mayer   +2 more
openalex   +3 more sources