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Many proteins undergo conformational changes during their activity. A full understanding of the function of these proteins can only be obtained if different conformations and transitions between them can be monitored in aqueous solution,…

Liquid crystals offer several advantages as solvents for molecules used for nuclear magnetic resonance quantum computing (NMRQC). The dipolar coupling between nuclear spins manifest in the NMR spectra of molecules oriented by a liquid…

A review of the Contractor Renormalization (CORE) method, as a systematic derivation of the low energy effective hamiltonian, is given, with emphasis on its differences and advantages over traditional perturbative (weak/strong links) real…

Strongly Correlated Electrons · Physics 2009-11-11 Assa Auerbach

Nuclear Magnetic Resonance (NMR) spectroscopy is one of the most powerful and widely used tools for molecular structure elucidation in organic chemistry. However, the interpretation of NMR spectra to determine unknown molecular structures…

Chemical Physics · Physics 2025-09-03 Yongqi Jin , Jun-Jie Wang , Fanjie Xu , Xiaohong Ji , Zhifeng Gao , Linfeng Zhang , Guolin Ke , Rong Zhu , Weinan E

New approximate analytical solutions have been obtained for the conformable fractional collective Bohr Hamiltonian suitable for triaxial nuclei, with the harmonic oscillator in {\gamma}-part of the collective potential and different…

Nuclear Theory · Physics 2023-11-07 M. M. Hammad , M. M. Yahia , Dennis Bonatsos

N,N,N-Trimethyl chitosan (TMC), a biocompatible and biodegradable derivative of chitosan, is currently used as a permeation enhancer to increase the translocation of drugs to the bloodstream in the lungs. This article discusses the effect…

Quantitative Methods · Quantitative Biology 2023-04-11 Jana Szabová , Filip Mravec , Mostafa Mokhtari , Rémi Le Borgne , Michal Kalina , Jean-François Berret

In recent astrochemical studies it has become crucial to study all the complete conformational panorama of the molecule, some of which are potentially detectable in the interstellar medium (ISM). In this context, the isomeric ratio can be…

Astrophysics of Galaxies · Physics 2025-06-04 Miguel Sanz-Novo , Germán Molpeceres , Víctor M. Rivilla , Izaskun Jiménez-Serra

Optically-probed nitrogen-vacancy (NV) quantum defects in diamond can detect nuclear magnetic resonance (NMR) signals with high-spectral resolution from micron-scale sample volumes of about 10 picoliters. However, a key challenge for NV-NMR…

Isolated sign recognition from video streams is a challenging problem due to the multi-modal nature of the signs, where both local and global hand features and face gestures needs to be attended simultaneously. This problem has recently…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Anil Osman Tur , Hacer Yalim Keles

A previous study of diatomic molecules revealed that variational second-order density matrix theory has serious problems in the dissociation limit when the N-representability is imposed at the level of the usual two-index (P, Q, G) or even…

Chemical Physics · Physics 2010-03-19 Brecht Verstichel , Helen van Aggelen , Dimitri Van Neck , Paul W. Ayers , Patrick Bultinck

The detection of fullerene molecules in a variety of astrophysical environments suggests that smaller dehydrogenated carbon molecules may also be present in these sources. One of these is planar C24 which has been shown to be more stable…

Astrophysics of Galaxies · Physics 2011-03-16 S. Kuzmin , W. W. Duley

We report the presence of a correlation between the bulk and interfacial properties of electrostatic coacervate complexes. Complexes were obtained by co-assembly between cationic-neutral diblocks and oppositely charged surfactant micelles…

Soft Condensed Matter · Physics 2007-10-12 Ling Qi , Jean-Paul Chapel , Jean-Christophe Castaing , Jerome Fresnais , Jean-Francois Berret

Sulfur-bearing molecules are central to interstellar chemistry, yet their observed abundances in the gas phase remain far below cosmic expectations in dense interstellar regions. Mixed N-S-O species such as thionylimide (HNSO) are…

Astrophysics of Galaxies · Physics 2025-12-01 Valerio Lattanzi , Miguel Sanz-Novo , Víctor M. Rivilla , Izaskun Jiménez-Serra , Paola Caselli

The project Massive Unseen Companions to Hot Faint Underluminous Stars from SDSS (MUCHFUSS) aims at finding hot subdwarf stars (sdBs) with massive compact companions such as white dwarfs, neutron stars, or stellar-mass black holes. In a…

Solar and Stellar Astrophysics · Physics 2015-06-18 S. Geier , R. H. Oestensen , U. Heber , T. Kupfer , P. F. L. Maxted , B. N. Barlow , M. Vuckovic , A. Tillich , S. Mueller , H. Edelmann , L. Classen , A. F. McLeod

We have selected and spatially separated the two conformers of 3-aminophenol (C$_6$H$_7$NO) present in a molecular beam. Analogous to the separation of ions based on their mass-to-charge ratios in a quadrupole mass filter, the neutral…

Chemical Physics · Physics 2008-04-02 Frank Filsinger , Undine Erlekam , Gert von Helden , Jochen Küpper , Gerard Meijer

In this manuscript we describe a hidden conformal symmetry of the second Randall-Sundrum model (RS2). We show how this can be used to localize fermions of both chiralities. The conformal symmetry leaves few free dimensionless constants and…

High Energy Physics - Theory · Physics 2017-09-20 G. Alencar

The widely used crystal structures for both heptazine-based and triazine-based two-dimensional (2D) graphitic carbon nitride (g-C$_3$N$_4$) are the flat P-6m2 configurations. However, the experimentally synthesized 2D g-C$_3$N$_4$ possess…

Materials Science · Physics 2021-02-03 Luneng zhao , Xizhi Shi , Jin Li , Tao Ouyang , Chunxiao Zhang , Chao Tang , Chaoyu He , Jianxin Zhong

In this research, eutectic-based ionic liquid specifically choline chloride/glycerol was prepared at a 1:2 mole ratio. The choline chloride/glycerol was added with the different content of surfactant (hexadecyltrimethylammonium bromide).…

Chemical Physics · Physics 2014-03-13 AA Shamsuri , R Daik , ES Zainudin , PM Tahir

Two-dimensional (2D) binary transition-metal chalcogenides (TMCs) like molybdenum disulfide exhibits excellent properties as materials for light adsorption devices. Alloying binary TMCs can form 2D compositionally complex TMC alloys…

Materials Science · Physics 2020-10-14 Duo Wang , Lei Liu , Neha Basu , Houlong L. Zhuang

We have conducted a spectral line survey in the 3 mm and 2 mm bands toward two positions in a spiral arm of M51 (NGC 5194) with the IRAM 30 m telescope. In this survey, we have identified 13 molecular species, including CN, CCH, N2H+, HNCO,…

Astrophysics of Galaxies · Physics 2015-06-19 Yoshimasa Watanabe , Nami Sakai , Kazuo Sorai , Satoshi Yamamoto
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