Influence of Lead on the Interpretation of Bone Samples with Laser-Induced Breakdown Spectroscopy by Abdolhamed Shahedi, Esmaeil Eslami, Mohammad Reza Nourani

“…The bone samples were prepared from the thigh of laboratory rats, which consumed 325.29 g/mol lead acetate having 4 mM concentration in specified time duration. About 76 atomic lines have been analyzed and we found that the dominant elements are Ca I, Ca II, Mg I, Mg II, Fe I, and Fe II. …”
Get full text

Annealing Heat Treatment of ZnO Nanoparticles Grown on Porous Si Substrate Using Spin-Coating Method by K. A. Eswar, J. Rouhi, H. F. Husairi, M. Rusop, S. Abdullah

“…The average sizes of ZnO nanoparticle increase with increasing annealing temperature. Atomic force microscopic (AFM) analysis reveals that ZnO thin films annealed at 500°C had the smoothest surface. …”
Get full text

Density Functional Theory Study on Conformers of Benzoylcholine Chloride by Mustafa Karakaya, Fatih Ucun, Ahmet Tokatlı

“…The optimized molecular structures and vibrational frequencies and also gauge including atomic orbital (GIAO) 1H and 13C NMR shift values of benzoylcholine chloride [(2-benzoyloxyethyl) trimethyl ammonium chloride] have been calculated using density functional theory (B3LYP) method with 6-31++G(d) basis set. …”
Get full text

Water-regulated viscosity-plasticity phase transitions in a peptide self-assembled muscle-like hydrogel by Yu Fang, Junhui Shi, Juan Liang, Dan Ma, Huaimin Wang

“…Cryogenic electron microscopy (Cryo-EM) analysis unravels the three-dimensional structure of the liquid-crystal fiber (elongated helix with C2 symmetry) at an atomic resolution. The multiscale mechanics of this material depend on the specificity of the molecular structure, and the water-controlled hierarchical and sophisticated self-assembly.…”
Get full text

Influence of Excitation Frequency on Raman Modes of Thin Films by A. Dixit, J. S. Thakur, V. M. Naik, R. Naik

“…We found that the energies of longitudinal optical modes (A1(LO) and 2A1(LO)) vary nonlinearly unlike the E2 mode with increasing Ga atomic fraction. A Raman mode ~540 cm−1 was observed in all films with low energy red laser excitation but was absent with green laser excitation. …”
Get full text

Synthesis and Characterization of Cross-linkable Viologen Derivatives by Şölen Ayaşlıgil, Sermet Koyuncu

“…Thin films of ALV-Br salt were then spray coated in the presence of a tetrathiol-based crosslinker (pentaerythritol tetrakis(3-mercapto-propionate).In the final step, the surface morphology of the crosslinked thin film was examined by Atomic force microscopy (AFM) and compared with the results of the non-crosslinked one. …”
Get full text

Carbazole Containing Copolymers: Synthesis, Characterization, and Applications in Reversible Holographic Recording by Bénédicte Mailhot-Jensen, Stefan Robu, Agnès Rivaton, Jean-François Pilichowski, Arcadi Chirita, Ekaterina Chilat, Galina Dragalina

“…The surface of microstructured samples has been characterized by atomic force microscopy analysis. It is shown that via a photothermoplastic recording process, it is possible to record and read holograms practically in real time (~3 s) with a diffraction efficiency of 10% and a spatial resolution higher than 1000 mm−1.…”
Get full text

Thin hafnia layer on silicon – Study of interfacial charging and charge transfer by resistometry and photoelectrochemistry by Aldis Šilėnas, Laurynas Staišiūnas, Putinas Kalinauskas, Konstantinas Leinartas, Asta Grigucevičienė, Andžej Lučun, Skirmantė Tutlienė, Eimutis Juzeliūnas

“…Here, interfacial charging in atmosphere of crystalline p-Si with thin hafnia layers deposited using atomic layer deposition and sol–gel techniques were studied by means of the transverse electric resistometry. …”
Get full text

Abnormal chirality in antiferromagnetic resonance modes of van der Waals 2D magnets by Chao Chen, Cuixiu Zheng, Shanshan Hu, Hao-Hsuan Chen, Jianwei Zhang, Yaowen Liu

“…These findings provide valuable insights into the intrinsic antiferromagnetic resonance characteristics of atomically thin vdW materials and their potential implications for the development of spintronic devices.…”
Get full text

Concentration of Cd, Pb, Hg, and Se in Different Parts of Human Breast Cancer Tissues by Mehrnoosh Mohammadi, Alireza Riyahi Bakhtiari, Saber Khodabandeh

“…The aim of this study is to determine the concentration of cadmium, lead, mercury, and selenium in separated parts of tegmen, tumor, tumor adiposity, and tegmen adiposity of 14 breast cancer tissues which have been analyzed by graphite furnace atomic absorption (AA-670) and ICP-OES (ULTIMA 2CE). …”
Get full text

Synthesis, Characterization, Antioxidant, and Antibacterial Studies of Some Metal(II) Complexes of Tetradentate Schiff Base Ligand: (4E)-4-[(2-{(E)-[1-(2,4-Dihydroxyphenyl)ethylide... by Ikechukwu P. Ejidike, Peter A. Ajibade

“…FTIR confirmed the ligand coordinates the metal ion to form mononuclear complex via the oxygen and nitrogen atoms of the phenolic group and azomethine group, respectively. …”
Get full text

Accurate Dehydrogenation Enthalpies Dataset for Liquid Organic Hydrogen Carriers by Hassan Harb, Sarah N. Elliott, Logan Ward, Ian T. Foster, Stephen J. Klippenstein, Larry A. Curtiss, Rajeev Surendran Assary

“…Abstract This contribution presents a comprehensive extension of the QM9 dataset (originally at 133 K molecules) with the calculation of G4MP2 enthalpies for 9,841 molecules, featuring up to nine heavy atoms. We present QM9-LOHC, a (de)hydrogenation dataset of 10,373 reactions, including a minimum of 5.5% weight hydrogen storage capacity in line with the Department of Energy standards for Liquid Organic Hydrogen Carriers (LOHC). …”
Get full text

Conductive filament formation in the failure of Hf0.5Zr0.5O2 ferroelectric capacitors by Matthew Webb, Tony Chiang, Megan K. Lenox, Jordan Gray, Tao Ma, Jon F. Ihlefeld, John T. Heron

“…After failure, the capacitor leakage current is high (∼25 mA) and constant with capacitor area, consistent with filament formation. Conductive atomic force microscopy measurements and field distribution simulations suggest a local failure mechanism consistent with filament formation along the boundary of the island capacitor due to an enhanced electric field.…”
Get full text

Amorphization dependent recrystallisation of Sb2Te3 by Nur Qalishah Adanan, Simon Wredh, Joel K W Yang, Robert E Simpson

“…We show how the level of amorphousness (disorder) of antimony-telluride (Sb _2 Te _3 ) can be controlled using pulsed laser heating, and that the recrystallisation temperature strongly depends on the local atomic configurations in the amorphous structure. …”
Get full text

Radiolytic Synthesis of Colloidal Silver Nanoparticles for Antibacterial Wound Dressings by Pimpon Uttayarat, Jarurattana Eamsiri, Theeranan Tangthong, Phiriyatorn Suwanmala

“…The conversion of metallic silver ions to silver atoms depended on irradiation dose and stabilizer concentration as determined by UV-Vis spectrophotometry and transmission electron microscopy. …”
Get full text

Enhanced Ex Vivo Expansion of Human Hematopoietic Progenitors on Native and Spin Coated Acellular Matrices Prepared from Bone Marrow Stromal Cells by Samiksha Wasnik, Suma Kantipudi, Mark A. Kirkland, Gopal Pande

“…The physicochemical properties (surface roughness, thickness, and uniformity) of native and spin coated acellular matrices (ACM) were studied using scanning and atomic force microscopy (SEM and AFM). Lineage-specific expansion of HSPC, grown on these substrates, was evaluated by immunophenotypic (flow cytometry) and functional (colony forming) assays. …”
Get full text

Protein Backbone Torsion Angle-Based Structure Comparison and Secondary Structure Database Web Server by Sunghoon Jung, Se-Eun Bae, Insung Ahn, Hyeon S. Son

“…Three-dimensional representation of the positions of protein atoms is utilized among many structural information repositories that have been published. …”
Get full text

A PCBM-Modified TiO2 Blocking Layer towards Efficient Perovskite Solar Cells by Gang Lu, Fengqin He, Shangzheng Pang, Haifeng Yang, Dazheng Chen, Jingjing Chang, Zhenhua Lin, Jincheng Zhang, Chunfu Zhang

“…Scanning electron microscope, atomic force microscope, and X-ray diffraction (XRD) results suggest the formation of a uniform and compact CH3NH3PbI3−xClx perovskite layer on the PCBM-modified TiO2 blocking layer. …”
Get full text

Coalescence of carbon nanotubes while preserving the chiral angles by Akira Takakura, Taishi Nishihara, Koji Harano, Ovidiu Cretu, Takeshi Tanaka, Hiromichi Kataura, Yuhei Miyauchi

“…Abstract Atomically precise coalescence of graphitic nanocarbon molecules is one of the most challenging reactions in sp 2 carbon chemistry. …”
Get full text

Benchmarking COMSOL Multiphysics Single-Subchannel Thermal-Hydraulic Analysis of a TRIGA Reactor with RELAP5 Results and Experimental Data by Ahmed K. Alkaabi, Jeffrey C. King

“…The aim of this study is to benchmark the prediction accuracy of COMSOL Multiphysics in performing thermal-hydraulic analysis of TRIGA (Training, Research, Isotopes, General Atomics) reactors such as the Geological Survey TRIGA Reactor (GSTR) by comparing its predictions with RELAP5 (a widely used code in nuclear thermal-hydraulic analysis) results and experimental data. …”
Get full text