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The hydroxyl-terminated self-assembled monolayer (OH-SAM), as a surface resistant to protein adsorption, exhibits substantial potential in applications such as ship navigation and medical implants, and the appropriate strategies for…

Biological Physics · Physics 2024-01-05 Dangxin Mao , Yuan-Yan Wu , Yusong Tu

The surface a thin-film is attached to and the surrounding monolayer causes geometrical confinement of a interrogated molecule; we look at the base case of a SC$_{18}H_{37}$ in a SC$_{18}H_{37}$ monolayer on Au[111]. Normal mode analysis…

Chemical Physics · Physics 2017-06-29 Ella M Gale

Biologically relevant abiotic extraterrestrial soluble organic matter (SOM) has been widely investigated to study the origin of life and the chemical evolution of protoplanetary disks. Synthesis of biologically relevant organics, in…

Earth and Planetary Astrophysics · Physics 2021-11-22 Junko Isa , François-régis Orthous-Daunay , Pierre Beck , Christopher D. K. Herd , Veronique Vuitton , Laurène Flandinet

The role of ionic interactions between sodium dodecyl sulfate, SDS, and sapphire surfaces have been studied using specular neutron reflection to determine the structure and composition of adsorbed surfactant layers. Increasing the pH of the…

Soft Condensed Matter · Physics 2012-05-02 Ningning Li , Robert K. Thomas , Adrian R. Rennie

The molecular mechanisms by which organic additives such as saccharin control microstructure in nickel electrodeposition remain inadequately understood, particularly the role of the intense interfacial electric field. This study employs…

Materials Science · Physics 2025-12-23 Aylar G. M. Ghashghaei , Mahboubeh Khorrami , Mohammad Ebrahim Bahrololoom

Recently experiments have shown very significant spin activity in biological molecules such as DNA, proteins, oligopeptides and aminoacids. Such molecules have in common their chiral structure, time reversal symmetry and the absence of…

Mesoscale and Nanoscale Physics · Physics 2020-07-29 Juan Daniel Torres , Raul Hidalgo , Solmar Varela , Ernesto Medina

Understanding specific ion adsorption within the inner Helmholtz layer remains central to electrochemistry yet experimentally elusive. Here we directly quantify counterion adsorption and extract the associated thermodynamic parameters…

Optics · Physics 2025-10-23 Yuyang Peng , Feng Gu , Chuanshan Tian

Polonium (Z = 84) is one of the rarest elements on Earth. More than a century after its discovery, its chemistry remains poorly known and even basic questions are not yet satisfactorily addressed. In this work, we perform a systematic study…

Chemical Physics · Physics 2022-10-11 Nadiya Zhutova , Florent Réal , Valérie Vallet , Rémi Maurice

In the past decade, photoemission orbital tomography (POT) has evolved into a powerful tool to investigate the electronic structure of organic molecules adsorbed on surfaces. Here we show that POT allows for the comprehensive experimental…

Ion complexes hold the key for various energy transfer and communication systems in nature and industries. Achieving controllable mechanical and electrical properties in these complex systems is highly desirable but remains challenging. In…

Materials Science · Physics 2024-12-18 Jihua Chen , Alejandro Espera , Jan Michael Y. Carrillo , Rigoberto Advincula

Theoretical calculations of the conductivity of sodium nitrate in water are presented and compared with experimental measurements. The method of direct correlation force in the framework of the interionic theory is used for the calculation…

Soft Condensed Matter · Physics 2013-12-17 H. Krienke

Molecular materials enable a vast variety of functionalities for novel electronic and spintronic devices. The unique possibility to alter or substitute organic molecules or metallic substrates offers the opportunity to modify and optimize…

Mesoscale and Nanoscale Physics · Physics 2020-09-02 Johannes Seidel , Leah L. Kelly , Markus Franke , Christian Kumpf , Mirko Cinchetti , Martin Aeschlimann , Benjamin Stadtmüller

We study the equilibrium properties of a model for a binary mixture of catalytically-reactive monomers adsorbed on a two-dimensional substrate decorated by randomly placed catalytic bonds. The interacting $A$ and $B$ monomer species undergo…

Statistical Mechanics · Physics 2009-11-11 M. N. Popescu , S. Dietrich , G. Oshanin

This paper presents a proposal of a rather new type of effective interatomic interaction for molecular dynamics and similar applications. The model consists of atoms with prescribed geometric arrangement of active orbitals, represented by…

Chemical Physics · Physics 2009-10-19 Ladislav Kocbach , Suhail Lubbad

Accurate quantification of protein-nanoparticle interactions is essential for applications in nanobiotechnology, nanomedicine, and drug delivery. Motivated by recent computational and experimental work, we combine coarse-grained united-atom…

Recent experimental results by the Surface Force Apparatus (SFA) have identified a dramatic deviation from previously established theories of simple electrolytes. This deviation, referred to as anomalous underscreening, suggests that the…

Soft Condensed Matter · Physics 2025-08-05 David Ribar , Clifford E. Woodward , Jan Forsman

The properties of Shockley-type interface states between $\pi$-conjugated organic molecular layers and metal surfaces are investigated by time-resolved two-photon photoemission experiments and density functional theory. For perylene- and…

Other Condensed Matter · Physics 2015-05-28 M. Marks , N. L. Zaitsev , B. Schmidt , C. H. Schwalb , A. Schöll , I. A. Nechaev , P. M. Echenique , E. V. Chulkov , U. Höfer

We study the two-body bound states in a spin-orbital-angular-momentum (SOAM) coupled quantum gas of fermions. Two different configurations are considered: an attractive $s$-wave interaction exists between two spin species that are SOAM…

Quantum Gases · Physics 2022-10-19 Yiwen Han , Shi-Guo Peng , Ke-Ji Chen , Wei Yi

The OH-terminated self-assembled monolayers, as protein-resistant surfaces, have significant potential in biocompatible implant devices, which can avoid or reduce adverse reactions caused by protein adhesion to biomaterial surfaces, such as…

Applied Physics · Physics 2022-12-08 Dangxin Mao , Yuan-Yan Wu , Yusong Tu

Chemical bonds formed by hydrazine-sulfide treatment of GaAs(111) were studied by synchrotron photoemission spectroscopy. At the B surface, the top arsenic atoms are replaced by nitrogen atoms, while GaAs(111)A is covered by sulfur, also…