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Flocculants agglomerate suspended microalgae cells, while cost and toxicity have led to the increased use of bio-flocculants. In this experiment, Chlorella pyrenoidosa was gathered by utilizing bio-flocculants from discarded clam shells. At pH 8, 0.2 mg/mL of bio-flocculant clam shell, 0.1 mg/mL of cationic inducer, and 240 rpm of mixing achieved 9...
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Pasting, cooking, and digestible properties of Japonica rice with different amylose contents were investigated. Low-, medium-, and high-amylose Japonica rice (waxy, 18.8% amylose content, and 33.3% amylose content) were cooked and evaluated for water absorption, volume expansion, molecular mobility, microstructure, crystalline structure, and starch...
Article
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Fish protein hydrolyzates (FPH) are breakdown products of hydrolysis and are gaining importance in the field of nutraceuticals and functional foods due to their bioactive properties, high nutritional value, solubility, and digestibility. This study aimed to evaluate the effect of hydrolysis time (1–5 h) on the functional properties of FPH prepared...
Article
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Presently, we inquire about the organic/inorganic cation effect on different properties based on structure, morphology, and steadiness in preparing a one-step solution of APbI3 thin films, where A = MA, FA, Cs, using spin coating. This study was conducted to understand those properties well by incorporating device modeling using SCAPS-1D software a...
Article
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Cellulose nanofibrils (CNFs) obtained by aqueous counter collision (ACC) methods have amphiphilic Janus-type properties, which appear markedly for ACC–CNFs prepared from bacterial nanocellulose (BNC) pellicles. The amphiphilic Janus-type surface is exposed because of the mechanism involved in ACC pulverizing of cellulose materials, in which the pre...
Article
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This work investigated the extraction of spherical cellulose nanocrystal (spherical CNC) from cotton cloth waste (CCW) using sulfuric acid without ultrasound treatment during the hydrolysis process, producing a yield of 31%. The cellulose was first extracted through alkali, decoloring, and hydrochloric acid treatment. Then the cellulose was hydroly...
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Background The reinforcement effect of fiber-reinforced polymer composites is usually limited because of the poor interfacial interaction between fiber and polymer, though fiber reinforcement is regarded as an effective method to enhance the mechanical properties of polymer. Methods In this study, nano-SiO 2 particles grafted by 3-Glycidoxypropylt...
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In this work, a hydrothermal method was proposed to fabricate a nanomaterial composed of titanium dioxide and graphene oxide (10 wt%) (TiO2-GO). The GO was synthesized according to the modified Hummers and Offeman method, followed by exfoliation. Several characterization analyses were performed in order to investigate the structure, functional grou...
Preprint
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Abstract In this article, we studied the effect of annealing (600 °C for 1 hr.) and the applied magnetic field from 50 Oe to 20 kOe of Co2FeSi glass-coated microwires with ordered L21 structure prepared by Taylor-Ulitovsky technique on the magnetic behavior. The as- prepared and annealed samples show a ferromagnetic behavior at the range of measuri...
Article
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Herein, the biopolymer chitosan (CHI) was functionalized by grafting aromatic groups (benzaldehyde, BZA) onto its backbone using a hydrothermal technique to create an efficient hydrothermally chitosan-benzaldehyde adsorbent (CHI-BZA). The characterization results revealed a mesoporous and crystalline structural features of the CHI-BZA, further supp...
Article
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Optoelectronic materials based on metal-free organic molecules represent a promising alternative to traditional inorganic devices. Significant attention has been devoted to the development of the third generation of OLEDs which are based on the temperature-activated delayed fluorescence (TADF) mechanism. In the last few years, several materials dis...
Article
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Anisotropic materials possess direction dependent properties as a result of symmetry within their structure. Bismuth sulfide (Bi2S3) is an important semiconductor exhibiting anisotropy due to its crystalline and stratified structure. In this manuscript we present a new and straightforward procedure to deposit Bi2S3 thin films on soda lime glass sub...
Article
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Electrodeposition was used to deposit nanocrystalline Ni-CoS alloy thin films on a copper substrate at various current densities. The structural, mechanical, and magnetic properties of electrodeposited Ni-CoS thin films were investigated. The SEM images of NiCoS thin films reveal that the deposits are crack-free, homogeneous, and brilliant, with ti...
Article
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α -RuCl 3 is a tantalizing playground to search for the quantum spin liquid states with leading Kitaev term due to the conformation of Jackeli–Khaliullin mechanism. Suppressing the non-Kitaev interaction to approach the Kitaev limit is the major objective in the experimental design of Kitaev–Jackeli–Khaliullin materials, for which the practical fea...
Article
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In this study, rosemary leaf extract was effectively used to synthesize cobalt oxide nanoparticles (Co3O4 NPs) using a rapid, low-cost, and environmentally friendly approach. The prepared Co3O4 NPs were examined using various analytical techniques. However, UV spectrum analysis displayed two sharp absorption peaks at~350 and 745 nm. The dynamic lig...
Article
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Purpose In this research, nanocomposite of Ultra-High Molecular Weight Polyethylene (UHMWPE) reinforced with Silicon Carbide (SiC) nanoparticles was prepared and characterized in terms of chemical interaction, molecular structure, tensile strength, and dispersion state of nanoparticles in the UHMWPE matrix. Method Nanocomposite of UHMWPE/SiC was p...
Article
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One of the most severe health issues in the recent era is the scarcity of clean water. One of its most prevalent chemicals that render water unsafe is industrial dyes. Methylene blue is one of those dyes that are toxic, cancer-causing, and non-biodegradable, posing a significant threat to human health and environmental standards. Recently, numerous...
Article
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Gallium nitride (GaN) is a wide bandgap semiconductor with remarkable chemical and thermal stability, making it a competitive candidate for a variety of optoelectronic applications. In this study, GaN films are grown using a plasma-enhanced atomic layer deposition (PEALD) with trimethylgallium (TMG) and NH3 plasma. The effect of substrate temperatu...
Conference Paper
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The atomic structure of solid and liquid cadmium was investigated by molecular dynamics simulations using the tight-binding many-body potentials. Four different cooling rates (10, 2, 0.2 and 0.02 K/ps) were chosen to investigate the effect of cooling rate in the rapid solidification process. In order to monitor the structural evolution of the syste...
Conference Paper
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Electrodeposition was used to deposit nanocrystalline Ni-CoS alloy thin films on a copper substrate at various current densities. The structural, mechanical, and magnetic properties of electrodeposited Ni-CoS thin films were investigated. The SEM images of NiCoS thin films reveal that the deposits are crack-free, homogeneous, and brilliant, with ti...
Conference Paper
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In this study, the evolution of the atomic structure of liquid calcium (Ca) cooled with different cooling rates (10-0.02 K/ps) was investigated using the classical molecular dynamics simulation method. The embedded atom method many body potentials, which are widely preferred in molecular dynamics simulations, were used to describe the interactions...
Article
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In this study, the effect of molarity on the structural, magnetic, and heat dissipation properties of magnetite nanoparticles (MNPs) was investigated to optimise the parameters for potential application in magnetic hyperthermia therapy (MHT). MHT works based on the principle of local temperature rise at the tumour site by magnetic iron oxide nanopa...
Article
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The removal of three acid pharmaceuticals—clofibric acid (CLA), diclofenac (DCL), and indomethacin (IND)—by a biological-photocatalytic sequential system was studied. These pharmaceutical active compounds (PhACs) are considered to persist in the environment and have been found in water and sewage, producing adverse effects on the aquatic environmen...
Article
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Red slipped and painted wares (RSW and RPW) were manufactured to cook, serve, or store foods and liquids in the middle Yangtze River valley (MYRV) of China some 8500 and 7800 years ago, respectively. Their primary use narrowed down to serving and drinking in the Upper Qujialing (5300–4500 cal BP) and Shijiahe (4500–4200 cal BP) periods when initial...
Article
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This work is intended to optimize the composition of marine-based biopolymers for desirable packaging material properties. The quantity optimization was sought by empirical response surface methodology. To achieve the goal, Box–Behnken model was applied to the concentration of three independent variables, viz. gelatin (1.0–2.0% w/v), agar (1.0–2.0%...
Article
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Carbon dioxide (CO2) photoreduction into renewable fuels over semiconductor photocatalysts has emerged as a green and sustainable alternative for energy production. Consequently, tremendous efforts are being performed to develop robust and sustainable photocatalysts. Therefore, visible-light active nanocomposite photocatalysts composed of 5.0–20.0...
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Polymeric carbon nitride (PCN), as a metal-free photocatalyst, has drawn wide attention in the photocatalytic H2 evolution. However, the photocatalytic activity of directly synthesized PCN is limited by its low crystallinity. Currently, regulating the melon-based PCN into tri-s-triazine-based crystalline PCN to further optimize its structure has be...
Article
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Cellulose nanofibers (CNF) produced by bacterial were functionalized along the surface with 3-(trimethoxysilyl)propyl methacrylate (TMSPM). The chemical and crystalline structure of the material was confirmed with NMR, FTIR, EDX and XRD methods. Modified CNF were used as a crosslinker and reinforcer for polymerizable deep eutectic solvent (DES) bas...
Article
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The research aimed to investigate the effect of pulsed electric field (PEF) treatment on cassava flour at mild intensities (1, 2, and 4 kV/cm) combined with elevated levels of specific energy input (250–500 kJ/kg). Influences on starch digestibility, morphological characteristics, birefringence, short-range order and thermal properties were evaluat...
Article
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One of the critical issues in the cancer tussle is the innovation of drug delivery platforms for the extremely selective, controlled, and sustained release of anti-cancer drugs. We herein report the fabrication of chitosan (CS), magnetite (Fe3O4), graphene Oxide (GO) nanoparticles, and their nanocomposites for high loading efficiency and subsequent...
Article
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Our report is the first example describing the successful synthesis of magnetic Fe3O4 nanoparticles (NPs), for which we used pulsed-laser induced photolysis (PLIP). Compared with the previous method of using pulsed-laser ablation of a target, or strong energy of pulsed-laser light to decompose precursors in generating a solvated-ion reaction, the P...
Article
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In this work, the influence of simultaneous action of high pressure and shear deformation (mechanical activation) on the physical properties of synthesized YbFeO3 was studied using complex methods. The formation of crystalline structures of YbFeO3 powders with different concentrations of structural defects was carried out using Bridgman anvils. It...
Article
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In accordance with the principles of sustainable development, improving the quality and durability of structural elements and coatings, the construction industry requires the development and the implementation of resource-and energy-efficient building materials, as well as innovative technologies for their production. The use of complex modifiers f...
Article
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In this study, we report on the preparation of copper oxide/strontium titanate/multi-walled carbon nanotube (CuO/STO/MWCNTs) nanocomposites and their photocatalytic activity for degradation of dye under visible light. The crystalline structures of the nanocomposites were investigated by an X-ray diffraction (XRD) technique, which explored the succe...
Article
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Herein, we present a method for fabricating hollow TiO2 microfibers from Ti (OBu)4/poly (vinyl pyrrolidone) sol-gel precursors and their effects on denitrification as a photocatalyst for air purification. Various sizes of hollow TiO2 fibers were developed using coaxial electrospinning by controlling the core flow rate from 0 to 3 mL h−1. At higher...
Article
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We present comprehensive studies on the emission of broadband, free-space THz transients from several highly resistive GaAs samples excited by femtosecond optical pulses. Our test samples are characterized by different degrees of disorder, ranging from nitrogen-implanted to semi-insulating and annealed semi-insulating GaAs crystals. In our samples,...
Article
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This study investigated the effects of annealing on the structural and physicochemical properties of rice starch below the onset temperature (To) by 5 °C and 15 °C. The results revealed that annealing improved the gelatinization temperature of rice starch, decreased the swelling power, solubility, and paste viscosity of rice starch, and had no sign...
Article
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This paper briefly outlines one of the main issues considered in [1] by S.V. Rudnev, as well as the issues of applying a new geometric approach to crystal structures, considered jointly by the authors.
Article
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Recently, polyether ether ketone has raised increasing interest in research and industry as an alternative material for bone implants. This polymer also has some shortcomings, as it is bioinert and its surface is relatively hydrophobic, causing poor cell adhesion and therefore slow integration with bone tissue. In order to improve biocompatibility,...
Preprint
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The adsorption and dissociation of carbon monoxide (CO) have been studied on 81 Transition Metal (TM) surfaces, with TMs having body centred cubic (bcc), face centred cubic (fcc), or hexagonal close-packed (hcp) crystalline structures. For each surface, CO, C, and O adsorptions, and C+O co-adsorptions were studied by density functional theory calcu...
Article
Full-text available
We present comprehensive studies on the emission of broadband, free-space THz transients from several highly resistive GaAs samples excited by femtosecond optical pulses. Our test samples are characterized by different degrees of disorder, ranging from nitrogen-implanted to semi-insulating and annealed semi-insulating GaAs crystals. In our samples,...
Preprint
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We report a promising InSiO film that allows simultaneous observation of sample morphology and Kikuchi patterns in raster scan mode of scanning electron microscopy. This new experimental observation suggests potential mechanism beyond existing diffraction theories. We find by simulation that this material has a novel cylindrically symmetric rotatio...
Article
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In situ thermal annealing (673-1273 K) during X-ray diffraction synchrotron measurements was performed to monitor the strain level as a proxy to follow the recovery of 300 keV Ar ion irradiated 4H-SiC single crystals. Results show that, when exposed to Ar ions at a fluence of 6.7 ×\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasys...
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This study examines the opportunity of using recycled poly(hydroxybutyrate-co-valerate) (PHBV) as food packaging. The recyclability was evaluated by assessing the effect of repeated polymer processing (up to four extrusion cycles) on the structural and barrier properties of the material, as well as its ability to produce neo-formed chemicals suscep...
Article
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A sol–gel synthesis technique was employed for the preparation of anatase phase {001}-TiO2/Au hybrid nanocomposites (NCs). The scalable, schematic, and cost-efficient method was successfully modified using HF and NH4OH capping agents. The photocatalytic activity of the as-synthesized {001}-TiO2/Au NCs were tested over 2-cycle degradation of methyle...
Article
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Our current study reports the anti-bacterial activity of the gold nanoparticles (AuNps) synthesized by the green synthesis method using Vitex negundo plant leaves. The aqueous extract of Vitex negundo plant leaves are acting as the capping and stabilizing agent in the synthesis of AuNps. It is already evident from earlier studies that Vitex negundo...
Article
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We report on the results of mathematical simulation of molecular-dynamics processes in 2D and 3D crystalline structures using the Lennard–Jones potential in the MatLab software package. In the theoretical part, differential equations for simulation, their initial and boundary conditions, as well as the difference approximation are described. As the...
Article
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This study aimed to monitor nutritional and chemical changes of oats grain by wet chemistry and Fourier transformed infrared spectroscopy (FTIR). Oats grain fermented with or without inoculants of Aspergillus oryzae (AO), AO + Bacillus subtilis (C + D), Saccharomyces cerevisiae (SC), and Lactobacillus salivarius (LBS) was first analysed by wet chem...
Article
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Through the combination of heterocyclic thiones with variation in the identity of the heterocyclic elements, namely, imidazolidine-2-thione, 2-mercaptobenzimidazole, 2-mercapto-5-methylbenzimidazole, 2-mercaptobenzoxazole, and 2-mercaptobenzothiazole with the common halogen-bond donors 1,2-, 1,3-, and 1,4-diiodotetrafluorobenzene, 1,3,5-trifluorotr...
Conference Paper
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The current research reports an easy green, cost effective and efficient route for synthesis of Zinc Oxide nanoparticles (ZnO NPs) using the petals extract of Hibiscus Sabdariffa L .Different masses of Zn(NO3)2.6H2O were adopted to produce a series of ZnO NPs samples ;Z1,Z2,Z3 and Z4.The crystalline structure, optical properties, surface topography...
Article
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The aim of this work was to study the effect of compaction pressure on the growth of the crystalline structure of the Bi-2212 phase and on the current density of the material. Ceramic samples were prepared by conventional solid-state reaction method, sintered at 840 \(^\circ\)C after compacting at five different pressures that were 300, 450, 600, 7...
Article
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Bacterial cellulose (BC) has several properties such as high purity, mechanical strength, crystallinity, biocompatibility, biodegradability, water holding, and thermal degrading capacity. The bioactive metabolites in the spent medium after the fermentation of BC also have several beneficial pharmaceutical applications. In this study, we demonstrate...
Article
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Due to their high sensitivity to temperature and humidity, the applications of polylactic acid (PLA) products are limited. The stereo-complexation (SC) formed by poly(L-lactic acid) (PLLA) and its enantiomer poly(D-lactic acid) (PDLA) can effectively improve the heat resistance and hydrolysis resistance of PLA products. In this work, the blended me...
Article
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The aim of the present study was the development of Nb-doped ITO thin films for carbon monoxide (CO) sensing applications. The detection of CO is imperious because of its high toxicity, with long-term exposure having a negative impact on human health. Using a feasible sol–gel method, the doped ITO thin films were prepared at room temperature and de...
Preprint
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Molecular adsorption in soft porous materials is crucial to control liquid-liquid phase separation in polymer networks and biological cells, refrigeration cycles of nanosponges, and energy storage in supercapacitors. The deformation process of host porous matrices, coupled with the adsorption of guest molecules, plays an essential role in developin...