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The influence of dimethyl sulfoxide (DMSO) on membrane thickness, multilamellar repeat distance, and phase transitions of 1,2-dipalmitoyl-sn-glycero-3-phosphatidylcholine (DPPC) was investigated by X-ray diffraction and small-angle neutron…

生物物理 · 物理学 2007-05-23 M. A. Kiselev , P. Lesieur , A. M. Kisselev , C. Grabielle-Madelmond , M. Ollivon

Inelastic neutron scattering at high momentum transfers (i.e. $Q\ge20$ {\AA}) or DINS provides direct observation of the momentum distribution of light atoms, making it a powerful probe for studying single-particle motions in liquids and…

仪器与探测器 · 物理学 2016-09-21 S. O. Diallo , J. Y. Y. Lin , D. L. Abernathy , R. T. Azuah

We present a machine learning analysis of circular dichroism spectra of globular proteins from the SP175 database, using the optimal transport-based $1$-Wasserstein distance $\mathcal{W}_1$ (with order $p=1$) and the manifold learning…

物理与社会 · 物理学 2025-05-14 Gionni Marchetti

Accurately predicting drag and heat transfer for compressible high-speed flows is of utmost importance for a range of engineering applications. This requires the precise knowledge of the entire velocity and temperature profiles. A common…

流体动力学 · 物理学 2023-07-06 Asif Manzoor Hasan , Johan Larsson , Sergio Pirozzoli , Rene Pecnik

The mean square atomic displacement in hcp-phase solid He-4 has been measured in crystals with a molar volume of 21.3 cm^3. It is temperature independent from 1 K to 140 mK, with no evidence for an anomaly in the vicinity of the proposed…

其他凝聚态物理 · 物理学 2007-08-01 E. Blackburn , J. M. Goodkind , S. K. Sinha , J. Hudis , C. Broholm , J. van Duijn , C. D. Frost , O. Kirichek , R. B. E. Down

The efficiency of a proton exchange membrane (PEM) fuel cell depends on the mobility of protons in the PEM, which is determined by the hydration and temperature of the membrane. While optical techniques or neutron or x-ray scattering…

材料科学 · 物理学 2023-01-10 Darshan Chalise , Shreyan Majumdar , David G. Cahill

We present a Bayesian seismology inversion technique for propagating magnetohydrodynamic (MHD) transverse waves observed in coronal waveguides. The technique uses theoretical predictions for the spatial damping of propagating kink waves in…

太阳与恒星天体物理 · 物理学 2015-06-15 I. Arregui , A. Asensio Ramos , D. J. Pascoe

An interferometric method is implemented in order to accurately assess the thermal fluctuations of a micro-cantilever sensor in liquid environments. The power spectrum density (PSD) of thermal fluctuations together with Sader's model of the…

软凝聚态物质 · 物理学 2015-11-11 Felipe Aguilar Sandoval , Manuel Sepúlveda , Ludovic Bellon , Francisco Melo

Magnetic resonance imaging (MRI) enables non-invasive 3D thermometry during thermal ablation of cancerous tumors. While T1 or T2 contrast MRI are relatively insensitive to temperature, techniques with greater temperature sensitivity such as…

医学物理 · 物理学 2023-01-03 Darshan Chalise , David G. Cahill

Structural relationships among proteins are important in the study of their evolution as well as in drug design and development. The protein 3D structure has been shown to be effective with respect to classifying proteins. Prior work has…

生物大分子 · 定量生物学 2016-02-26 James DeFelice , Vicente M. Reyes

The thermal mass spectra of scalar and pseudo scalar mesons are studied in an IR-improved soft-wall AdS/QCD model. The Reissner-Nordstrom AdS black hole metric is introduced to describe both the finite temperature and density effects. The…

高能物理 - 唯象学 · 物理学 2013-10-08 Ling-Xiao Cui , Yue-Liang Wu

Controlling the temperature distribution inside catalytic fixed bed reactors is crucial for yield optimization and process stability. Yet, in situ temperature measurements with spatial and temporal resolution are still challenging. In this…

Together with charge and spin degrees of freedom, many new 2D materials also permit information to be encoded in an electron's valley degree of freedom - that is, in particular momentum states in the material's Brillouin zone. With a view…

介观与纳米尺度物理 · 物理学 2019-03-07 M. Goryca , N. P. Wilson , P. Dey , X. Xu , S. A. Crooker

We analyze the spectral properties of driven, supersonic compressible magnetohydrodynamic (MHD) turbulence obtained via high-resolution numerical experiments, for application to understanding the dynamics of giant molecular clouds. Via…

天体物理学 · 物理学 2009-11-07 Jason G. Vestuto , Eve C. Ostriker , James M. Stone

We used the Transfer-Integral method to compute, with an uncertainty smaller than 5%, the six fundamental characteristic exponents of two dynamical models for DNA thermal denaturation and investigate the validity of the scaling laws. Doubts…

生物物理 · 物理学 2011-11-09 Sahin Buyukdagli , Marc Joyeux

We propose a novel meshless method to achieve super resolution from scattered data obtained from sparse, randomly positioned sensors such as the particle tracers of particle tracking velocimetry. The method combines K Nearest Neighbor…

流体动力学 · 物理学 2026-01-23 Iacopo Tirelli , Miguel Alfonso Mendez , Andrea Ianiro , Stefano Discetti

We investigate the transverse momentum distribution (TMD) statistics from three different theoretical approaches. In particular, we explore the framework used for string models, wherein the particle production is given by the Schwinger…

高能物理 - 唯象学 · 物理学 2024-03-22 D. Rosales Herrera , J. R. Alvarado García , A. Fernández Téllez , J. E. Ramírez , C. Pajares

We present a new method of Stokes inversion of spectropolarimetric data and evaluate it by taking the example of a SUNRISE/IMaX observation. An archive of synthetic Stokes profiles is obtained by the spectral synthesis of state-of-the-art…

Pulsed-field-gradient nuclear magnetic resonance (PFG-NMR) is used to obtain the true hydrodynamic size of complexes of peptides with sodium dodecyl sulfate SDS micelles. The peptide used in this study is a 19-residue antimicrobial peptide,…

软凝聚态物质 · 物理学 2013-01-16 Suliman Barhoum , Valerie Booth , Anand Yethiraj

The Maximum Mean Discrepancy (MMD) is a widely used multivariate distance metric for two-sample testing. The standard MMD test statistic has an intractable null distribution typically requiring costly resampling or permutation approaches…

统计方法学 · 统计学 2026-02-24 Anirban Chatterjee , Aaditya Ramdas