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413 Results Found

  • Article
  • Open Access
8 Citations
4,241 Views
20 Pages

Kinetics of Ordering and Deformation in Photosensitive Azobenzene LC Networks

  • Vladimir Toshchevikov,
  • Tatiana Petrova and
  • Marina Saphiannikova

15 May 2018

Azobenzene-containing polymer networks are unique compounds that are able to change their shape in response to light, which makes them prospective materials for photocontrollable nano-templates, sensors, microrobots, artificial muscles, etc. In prese...

  • Article
  • Open Access
16 Citations
5,932 Views
16 Pages

A Heterothermic Kinetic Model of Hydrogen Absorption in Metals with Subsurface Transport

  • Shunsuke Ono,
  • Takeru Uchikoshi,
  • Yusuke Hayashi,
  • Yuta Kitagawa,
  • George Yeh,
  • Eiichi Yamaguchi and
  • Katsuaki Tanabe

22 October 2019

A versatile numerical model for hydrogen absorption into metals was developed. Our model addresses the kinetics of surface adsorption, subsurface transport (which plays an important role for metals with active surfaces), and bulk diffusion processes....

  • Review
  • Open Access
53 Citations
10,128 Views
24 Pages

21 October 2016

Mixed conducting perovskite oxides and related structures serving as electrodes for electrochemical oxygen incorporation and evolution in solid oxide fuel and electrolysis cells, respectively, play a significant role in determining the cell efficienc...

  • Article
  • Open Access
2 Citations
1,790 Views
14 Pages

Electromechanical energy conversion systems (EECSs) are widely used in vehicles to combine the double-row planetary gear system (DRPGS) with high transmission efficiency and high-performance motors. The integrated structure of the ring gear and motor...

  • Article
  • Open Access
12 Citations
4,279 Views
17 Pages

The Role of Anthocyanins, Deoxyanthocyanins and Pyranoanthocyanins on the Modulation of Tyrosinase Activity: An In Vitro and In Silico Approach

  • Patrícia Correia,
  • Hélder Oliveira,
  • Paula Araújo,
  • Natércia F. Brás,
  • Ana Rita Pereira,
  • Joana Moreira,
  • Victor de Freitas,
  • Nuno Mateus,
  • Joana Oliveira and
  • Iva Fernandes

Tyrosinase is the central enzyme involved in the highly complex process of melanin formation, catalyzing the rate-limiting steps of this biosynthetic pathway. Due to such a preponderant role, it has become a major target in the treatment of undesired...

  • Review
  • Open Access
4 Citations
4,828 Views
28 Pages

9 January 2025

Grazing incidence small- and wide-angle X-ray scattering (GISAXS, GIWAXS) has been widely applied for the study of functional thin films, be it for the characterization of nanostructured morphologies in block copolymers, nanocomposites, and nanoparti...

  • Article
  • Open Access
9 Citations
5,450 Views
14 Pages

18 September 2021

In this study, a non-nucleated homopolymer (HP) and random copolymer (RACO), as well as a nucleated HP and heterophasic copolymer (HECO) were investigated regarding their crystallization kinetics. Using pvT-measurements and fast scanning chip calorim...

  • Article
  • Open Access
16 Citations
3,641 Views
19 Pages

20 January 2021

Most early-stage drug discovery projects focus on equilibrium binding affinity to the target alongside selectivity and other pharmaceutical properties. Since many approved drugs have nonequilibrium binding characteristics, there has been increasing i...

  • Article
  • Open Access
13 Citations
4,016 Views
17 Pages

Lomefloxacin—Occurrence in the German River Erft, Its Photo-Induced Elimination, and Assessment of Ecotoxicity

  • Melanie Voigt,
  • Benjamin Hentschel,
  • Nina Theiss,
  • Christina Savelsberg,
  • Indra Bartels,
  • Anna Nickisch-Hartfiel and
  • Martin Jaeger

Pharmaceuticals in waters represent a worldwide problem of today. Advanced oxidation processes (AOPs) are being researched for elimination of the ecological hazard. Among the substances, the fluoroquinolone antibiotic lomefloxacin was selected for in...

  • Article
  • Open Access
2,242 Views
12 Pages

High-Temperature Liquid–Liquid Phase Transition in Glass-Forming Liquid Pd43Ni20Cu27P10

  • Huanyi Zhou,
  • Pengfei Yu,
  • Xiaoyu Miao,
  • Cunjin Peng,
  • Lulu Fu,
  • Conghui Si,
  • Qifang Lu,
  • Shunwei Chen and
  • Xiujun Han

13 June 2023

Liquid–liquid phase transition (LLPT) is a transition from one liquid state to another with the same composition but distinct structural change, which provides an opportunity to explore the relationships between structural transformation and th...

  • Article
  • Open Access
9 Citations
5,081 Views
15 Pages

Process-Structure-Function in Association with the Main Bioactive of Black Rice Flour Sieving Fractions

  • Carmen Alina Bolea,
  • Leontina Grigore-Gurgu,
  • Iuliana Aprodu,
  • Camelia Vizireanu and
  • Nicoleta Stănciuc

18 April 2019

The aim of this work was to advance knowledge on the potential use of black rice different sieving fractions for various functional applications, through proximate analysis, thermal degradation kinetics of phytochemical and characterization of the th...

  • Article
  • Open Access
2,119 Views
20 Pages

Kinetic Modeling of Brilliant Blue Discoloration by Ozonation

  • Adrian Victor Crisciu,
  • Ligia Stoica,
  • Carolina Constantin,
  • Maria (Tiron) Marcvart,
  • Anamaria Hanganu and
  • Maria Gratiela (Craioveanu) Ianos

4 November 2024

This paper presents the results of investigations on the kinetic modeling of Brilliant Blue FCF (BB) discoloration reactions in aqueous solutions with different ozone concentrations and pH conditions. Kinetic studies involve knowledge of the structur...

  • Article
  • Open Access
8 Citations
4,273 Views
14 Pages

8 April 2019

The solar updraft tower (SUT) is a renewable power generation system that uses the natural convection phenomenon of the ground’s air heated by solar radiation. The baffle is a thermo-fluid dynamic structure that improves the heat exchange effic...

  • Article
  • Open Access
551 Views
13 Pages

Crystallization of Four Troglitazone Isomers: Selectivity and Structural Considerations

  • Shinji Matsuura,
  • Koichi Igarashi,
  • Masayuki Azuma and
  • Hiroshi Ooshima

30 September 2025

The control of crystal form in chiral active pharmaceutical ingredients (APIs) is a critical challenge in pharmaceutical development, as differences in solid-state structure can significantly influence physical properties and manufacturing performanc...

  • Feature Paper
  • Review
  • Open Access
2 Citations
4,191 Views
29 Pages

25 June 2025

Molybdenum disulfide (MoS2) is a promising earth-abundant electrocatalyst for the hydrogen evolution reaction (HER), attributed to its favorable electronic structure and chemical stability. Nevertheless, its application is limited by poor electrical...

  • Review
  • Open Access
19 Citations
6,537 Views
30 Pages

18 May 2023

The vanadium redox flow battery (VRFB) has been regarded as one of the best potential stationary electrochemical storage systems for its design flexibility, long cycle life, high efficiency, and high safety; it is usually utilized to resolve the fluc...

  • Review
  • Open Access
7 Citations
6,634 Views
13 Pages

24 February 2022

Despite recent developments in protein structure prediction, the process of the structure formation, folding, remains poorly understood. Notably, folding of multidomain proteins, which involves multiple steps of segmental folding, is one of the bigge...

  • Article
  • Open Access
8 Citations
3,913 Views
24 Pages

24 March 2021

Understanding the underlying molecular interaction during a therapy switch from lopinavir (LPV) to darunavir (DRV) is essential to achieve long-term virological suppression. We investigated the kinetic and structural characteristics of multidrug-resi...

  • Article
  • Open Access
21 Citations
6,637 Views
10 Pages

Water Vapor Permeability through Porous Polymeric Membranes with Various Hydrophilicity as Synthetic and Natural Barriers

  • Chalykh Anatoly,
  • Zolotarev Pavel,
  • Chalykh Tatiana,
  • Rubtsov Alexei and
  • Zolotova Svetlana

1 February 2020

The article is devoted to the analysis of sorption kinetics, permeability, and diffusion of water vapor in porous polymeric membranes of different hydrophilicities and through-porosities. The water transport measurement with a constant gradient of pa...

  • Article
  • Open Access
45 Citations
7,379 Views
16 Pages

4 November 2020

Kinetics data such as ground reaction forces (GRFs) are commonly used as indicators for rehabilitation and sports performance; however, they are difficult to measure with convenient wearable devices. Therefore, researchers have attempted to estimate...

  • Article
  • Open Access
1 Citations
1,364 Views
11 Pages

Background/Objectives: Thick-filament-based regulation in muscle is generally conceived as processes that modulate the number of myosin heads capable of force generation. It has been generally assumed that biochemical and structural assays of myosin...

  • Review
  • Open Access
13 Citations
3,907 Views
26 Pages

25 May 2023

Electrocatalytic water splitting, as a sustainable, pollution-free and convenient method of hydrogen production, has attracted the attention of researchers. However, due to the high reaction barrier and slow four-electron transfer process, it is nece...

  • Feature Paper
  • Article
  • Open Access
1 Citations
1,592 Views
19 Pages

28 February 2025

The batch sorption process is used to remove various species from wastewater and can be optimised by selecting adequate process parameters and reactor geometry. As sorption is a heterogeneous process, achieving the desired process outcomes in a batch...

  • Article
  • Open Access
608 Views
13 Pages

Stiffness and Density Relationships in Additively Manufactured Structures: A Virial Theorem-Based Approach

  • Tomáš Stejskal,
  • Silvia Maláková,
  • Marcela Lascsáková and
  • Peter Frankovský

22 July 2025

Topological optimization uses two main optimization conditions aimed at achieving the maximum stiffness at minimum weight of the loaded object, while not exceeding the allowable stress. This process naturally creates complex structures with varying d...

  • Article
  • Open Access
2,281 Views
19 Pages

From Structure to Function: Analysis of the First Monomeric Pyridoxal-5′-Phosphate-Dependent Transaminase from the Bacterium Desulfobacula toluolica

  • Alina K. Bakunova,
  • Ilya O. Matyuta,
  • Alena Y. Nikolaeva,
  • Tatiana V. Rakitina,
  • Konstantin M. Boyko,
  • Vladimir O. Popov and
  • Ekaterina Yu. Bezsudnova

12 December 2024

The first monomeric pyridoxal-5′-phosphate (PLP)-dependent transaminase from a marine, aromatic-compound-degrading, sulfate-reducing bacterium Desulfobacula toluolica Tol2, has been studied using structural, kinetic, and spectral methods. The m...

  • Article
  • Open Access
22 Citations
6,269 Views
21 Pages

3 February 2020

Ketonization is a promising way for upgrading bio-derived carboxylic acids from pyrolysis bio-oils, waste oils, and fats to produce high value-added chemicals and biofuels. Therefore, an understanding of its mechanism can help to carry out the cataly...

  • Article
  • Open Access
4 Citations
3,908 Views
30 Pages

Hyperspectral and Chlorophyll Fluorescence Analyses of Comparative Leaf Surfaces Reveal Cellular Influences on Leaf Optical Properties in Tradescantia Plants

  • Renan Falcioni,
  • Werner Camargos Antunes,
  • Roney Berti de Oliveira,
  • Marcelo Luiz Chicati,
  • José Alexandre M. Demattê and
  • Marcos Rafael Nanni

30 May 2024

The differential effects of cellular and ultrastructural characteristics on the optical properties of adaxial and abaxial leaf surfaces in the genus Tradescantia highlight the intricate relationships between cellular arrangement and pigment distribut...

  • Article
  • Open Access
19 Citations
6,618 Views
15 Pages

A Kinetic Approach to Oxygen Radical Absorbance Capacity (ORAC): Restoring Order to the Antioxidant Activity of Hydroxycinnamic Acids and Fruit Juices

  • Umme Asma,
  • Maria Letizia Bertotti,
  • Simone Zamai,
  • Marcellus Arnold,
  • Riccardo Amorati and
  • Matteo Scampicchio

9 February 2024

This study introduces a kinetic model that significantly improves the interpretation of the oxygen radical absorbance capacity (ORAC) assay. Our model accurately simulates and fits the bleaching kinetics of fluorescein in the presence of various anti...

  • Article
  • Open Access
2 Citations
3,484 Views
28 Pages

Exploration of Pyrido[3,4-d]pyrimidines as Antagonists of the Human Chemokine Receptor CXCR2

  • Max Van Hoof,
  • Sandra Claes,
  • Katrijn Boon,
  • Tom Van Loy,
  • Dominique Schols,
  • Wim Dehaen and
  • Steven De Jonghe

23 February 2023

Upregulated CXCR2 signalling is found in numerous inflammatory, autoimmune and neurodegenerative diseases, as well as in cancer. Consequently, CXCR2 antagonism is a promising therapeutic strategy for treatment of these disorders. We previously identi...

  • Article
  • Open Access
2 Citations
1,297 Views
14 Pages

8 March 2024

In order to explore the influence of the side duct position and venting position on the premixed combustion and explosion characteristics of methane/air, a premixed combustion and explosion experiment of methane/air and a simulation of an explosion o...

  • Article
  • Open Access
2 Citations
1,746 Views
27 Pages

A Multiphysics Thermoelastoviscoplastic Damage Internal State Variable Constitutive Model including Magnetism

  • M. Malki,
  • M. F. Horstemeyer,
  • H. E. Cho,
  • L. A. Peterson,
  • D. Dickel,
  • L. Capolungo and
  • M. I. Baskes

17 May 2024

We present a macroscale constitutive model that couples magnetism with thermal, elastic, plastic, and damage effects in an Internal State Variable (ISV) theory. Previous constitutive models did not include an interdependence between the internal magn...

  • Article
  • Open Access
1,608 Views
24 Pages

Dynamic Response Characteristics of Composite Concrete Structures Subjected to Reactive Jet Impact

  • Chenghai Su,
  • Peiyu Li,
  • Jiahao Zhang,
  • Aoxin Liu,
  • Yuanfeng Zheng and
  • Haifu Wang

27 February 2024

Composite concrete structures, commonly found in urban infrastructures, such as highways and runways, are pivotal research object in the protection field. To study the dynamic response of composite concrete structures subjected to reactive jet penetr...

  • Review
  • Open Access
64 Citations
12,140 Views
30 Pages

Misfit Layer Compounds and Ferecrystals: Model Systems for Thermoelectric Nanocomposites

  • Devin R. Merrill,
  • Daniel B. Moore,
  • Sage R. Bauers,
  • Matthias Falmbigl and
  • David C. Johnson

22 April 2015

A basic summary of thermoelectric principles is presented in a historical context, following the evolution of the field from initial discovery to modern day high-zT materials. A specific focus is placed on nanocomposite materials as a means to solve...

  • Article
  • Open Access
11 Citations
4,077 Views
20 Pages

1 November 2018

A linear electrical generator can be used on wave energy converter for converting the kinetic energy of a floating structure to the electricity. A wave farm consists of multiple wave energy converters which equipped in a sea area. In the present pape...

  • Article
  • Open Access
20 Citations
4,290 Views
13 Pages

Metoprolol and Its Degradation and Transformation Products Using AOPs—Assessment of Aquatic Ecotoxicity Using QSAR

  • Melanie Voigt,
  • Indra Bartels,
  • Dorothee Schmiemann,
  • Lars Votel,
  • Kerstin Hoffmann-Jacobsen and
  • Martin Jaeger

Pharmaceuticals are found in waterbodies worldwide. Conventional sewage treatment plants are often not able to eliminate these micropollutants. Hence, Advanced Oxidation Processes (AOPs) have been heavily investigated. Here, metoprolol is exposed to...

  • Article
  • Open Access
10 Citations
3,863 Views
18 Pages

Simulation and Flow Analysis of the Hole Diaphragm Labyrinth Seal at Several Whirl Frequencies

  • Xiang Zhang,
  • Yinghou Jiao,
  • Xiuquan Qu,
  • Guanghe Huo and
  • Zhiqian Zhao

5 January 2022

The seal is designed to reduce leakage and improve the efficiency of gas turbine machines, and is an important technology that needs to be studied in gas turbine design. A series of seals were proposed to try to achieve this goal. However, due to the...

  • Article
  • Open Access
13 Citations
6,909 Views
8 Pages

The Relationship between Hydrophobicity and Drug-Protein Binding in Human Serum Albumin: A Quartz Crystal Microbalance Study

  • Ahmad R. Alhankawi,
  • Jacob K. Al-Husseini,
  • Archie Spindler,
  • Clark Baker,
  • Tonderai T. Shoniwa,
  • Mohammed Ahmed,
  • Peter A. Chiarelli and
  • Malkiat S. Johal

23 May 2022

In this paper, the quartz crystal microbalance with dissipation monitoring (QCM-D) was used to investigate hydrophobicity and binding strength (KD) for 10 different drugs interacting with human serum albumin (HSA). Quantitative structure activity rel...

  • Article
  • Open Access
353 Views
26 Pages

Analysis of Physical Processes in Confined Pores of Activated Carbons with Uniform Porosity

  • Magdalena Blachnio,
  • Malgorzata Zienkiewicz-Strzalka and
  • Anna Derylo-Marczewska

4 January 2026

Mesoporous carbons based on silica hard templates were used to investigate physical processes in confined pores. Nitrogen adsorption, scanning electron microscopy, and scattered X-ray analyses revealed two classes of materials: carbons with moderate...

  • Feature Paper
  • Article
  • Open Access
3 Citations
2,033 Views
22 Pages

2 September 2024

The widespread use of clay minerals and clays in environmental engineering, industry, medicine, and cosmetics largely stems from their adsorption properties and surface charge, as well as their ability to react with water. The dissolution and growth...

  • Feature Paper
  • Review
  • Open Access
19 Citations
7,104 Views
16 Pages

The Basic Theorem of Temperature-Dependent Processes

  • Valentin N. Sapunov,
  • Eugene A. Saveljev,
  • Mikhail S. Voronov,
  • Markus Valtiner and
  • Wolfgang Linert

19 March 2021

The basic theorem of isokinetic relationships is formulated as “if there exists a linear correlation “structure∼properties” at two temperatures, the point of their intersection will be a common point for the same correlation at other temperatures, un...

  • Article
  • Open Access
1,902 Views
11 Pages

31 May 2023

Interfacial atomic configuration plays a vital role in the structural stability and functionality of nanocomposites composed of metal nanoparticles (NPs) and two−dimensional semiconductors. In situ transmission electron microscope (TEM) provide...

  • Review
  • Open Access
48 Citations
9,909 Views
15 Pages

The Evolution of Protein Structures and Structural Ensembles Under Functional Constraint

  • Jessica Siltberg-Liberles,
  • Johan A. Grahnen and
  • David A. Liberles

28 October 2011

Protein sequence, structure, and function are inherently linked through evolution and population genetics. Our knowledge of protein structure comes from solved structures in the Protein Data Bank (PDB), our knowledge of sequence through sequences fou...

  • Perspective
  • Open Access
8 Citations
5,796 Views
19 Pages

Rational Design and Testing of Anti-Knock Additives

  • Andrew D. Ure,
  • Manik K. Ghosh,
  • Maria Rappo,
  • Roland Dauphin and
  • Stephen Dooley

19 September 2020

An innovative and informed methodology for the rational design and testing of anti-knock additives is reported. Interaction of the additives with OH● and HO2● is identified as the key reaction pathway by which non-metallic anti-knock additives are pr...

  • Review
  • Open Access
35 Citations
5,913 Views
50 Pages

Cyclodextrin-based nanosponges (CDNSs) are complex macromolecular structures composed of individual cyclodextrins (CDs) and nanochannels created between cross-linked CD units and cross-linkers. Due to their unique structural and physicochemical prope...

  • Article
  • Open Access
3 Citations
2,722 Views
19 Pages

23 April 2024

The accurate calculation of natural frequencies is important for vibration and earthquake analyses of structural frames. For this purpose, it is necessary to discretize each beam or column of the frame into one or more smaller elements. The required...

  • Article
  • Open Access
3 Citations
2,716 Views
13 Pages

15 July 2021

On the basis of binary perfectly inelastic collision theory, the time evolutions of kinetic energy and surface area for a particle agglomerate system, due to Brownian motion, are investigated by using the Taylor series expansion technology. The asymp...

  • Article
  • Open Access
7 Citations
4,701 Views
7 Pages

14 March 2022

Accompanied by the formation of pearlite, Widmanstätten ferrite (WF), grain boundary ferrite and cementite are often found to nucleate at the prior austenite grain boundary during isothermal heat treatment. A hypereutectoid pearlitic steel trans...

  • Article
  • Open Access
53 Citations
5,369 Views
20 Pages

Comprehensive Analysis of Applicability Domains of QSPR Models for Chemical Reactions

  • Assima Rakhimbekova,
  • Timur I. Madzhidov,
  • Ramil I. Nugmanov,
  • Timur R. Gimadiev,
  • Igor I. Baskin and
  • Alexandre Varnek

Nowadays, the problem of the model’s applicability domain (AD) definition is an active research topic in chemoinformatics. Although many various AD definitions for the models predicting properties of molecules (Quantitative Structure-Activity/Propert...

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