Bacteria-Inspired Synthesis of Silver-Doped Zinc Oxide Nanocomposites: A Novel Synergistic Approach in Controlling Biofilm and Quorum-Sensing-Regulated Virulence Factors in <i>Pseu... by Abirami Karthikeyan, Manoj Kumar Thirugnanasambantham, Fazlurrahman Khan, Arun Kumar Mani

“…These biogenic nanocomposites were characterized using UV-VIS-NIR spectroscopy, FTIR, XRD, zeta potential, HRTEM, FESEM, and EDX analyses. …”
Get full text

Insights into bacterial cellulose for adsorption and sustained-release mechanism of flavors by Jingyi Hu, Longfei Wang, Menglan Xiao, Weihua Chen, Meng Zhou, Yihan Hu, Yujie Zhang, Miao Lai, Aimin He, Mingqin Zhao

“…Scanning electron microscopy (SEM), X-ray diffraction (XRD), Flourier transform Infrared Spectroscopy (FTIR), and Brunauer-Emmett-Teller (BET) were utilized to verify the successful adsorption. …”
Get full text

IMITATION OF STANDARD VOLUMETRIC ACTIVITY METAL SAMPLES by A. I. Zhukouski, A. O. Nichyparchuk, A. A. Khrutchinsky, S. A. Kutsen

“…Due to the specific character of problems in the field of ionizing radiation spectroscopy, the R&amp;D and making process of standard volumetric activity metal samples (standard samples) for calibration and verification of spectrometric equipment is not only expensive, but also requires the use of highly qualified experts and a unique specific equipment. …”
Get full text

Structure, Optical Properties, and Photocatalytic Activity towards H2 Generation and CO2 Reduction of GaN Nanowires via Vapor-Liquid-Solid Process by Hong Pang, Lequan Liu, Shuxin Ouyang, Hua Xu, Yunxiang Li, Defa Wang

“…Morphology, crystal structure, and optical property of the as-synthesized GaN nanowires are characterized by means of X-ray diffraction, scanning/transmission electron microscopy, UV-vis diffuse reflection spectroscopy, and room temperature photoluminescence. …”
Get full text

Parameters Influencing Sulfur Speciation in Environmental Samples Using Sulfur K-Edge X-Ray Absorption Near-Edge Structure by Siwatt Pongpiachan, Kanjana Thumanu, Charnwit Kositanont, Klaus Schwarzer, Jörg Prietzel, Phoosak Hirunyatrakul, Itthipon Kittikoon

“…This paper aims to enhance the credibility of applying the sulfur K-edge XANES spectroscopy as an innovative “fingerprint” for characterizing environmental samples. …”
Get full text

Production and characterization of eco-cement using eggshell powder and water hyacinth ash by Heri Septya Kusuma, Aurelio Muhammad Saleemah Agung, Najla Anira Putri, Muhamad Shifu, Nafisa Illiyanasafa, Bernadeta Ayu Widyaningrum, Andrew Nosakhare Amenaghawon, Handoko Darmokoesoemo

“…Three eco-cement samples with varying compositions of ESP and WHA were prepared and characterized using X-ray Fluorescence (XRF), Fourier-Transform Infrared Spectroscopy (FTIR), and Scanning Electron Microscopy (SEM). …”
Get full text

Stable Isotope-Resolved Metabolomic Differences between Hormone-Responsive and Triple-Negative Breast Cancer Cell Lines by Jason H. Winnike, Delisha A. Stewart, Wimal W. Pathmasiri, Susan L. McRitchie, Susan J. Sumner

“…Conditioned media and cellular extracts were analyzed by 1H and 13C NMR spectroscopy. Results. MCF-7 cells consumed the most glucose, producing the most lactate, demonstrating the greatest Warburg effect-associated energy utilization. …”
Get full text

Formation of Fe(0)-Nanoparticles via Reduction of Fe(II) Compounds by Amino Acids and Their Subsequent Oxidation to Iron Oxides by K. Klačanová, P. Fodran, P. Šimon, P. Rapta, R. Boča, V. Jorík, M. Miglierini, E. Kolek, L'. Čaplovič

“…The size and properties of iron oxide nanoparticles were studied by UV/VIS, TEM investigation, RTG diffractometry, Mössbauer spectroscopy, magnetometry, thermogravimetry, and GC/MS.…”
Get full text

Effect of TiO2/SiO2 ratio on structure and properties of BaO–CaO–SiO2–TiO2–CaF2–Li2O–Na2O slag system by Hebin Jin, Shuyao Yang, Zhuo Chen, Xubin Zhang, Shengping He, Qiangqiang Wang

“…The effect of TiO2/SiO2 ratio from 0.28 to 0.54 on the structure and properties of the BaO–CaO–SiO2–TiO2–CaF2–Li2O–Na2O low reaction slag were studied for high-Ti steel continuous casting at 1573K by molecular dynamics simulation, Raman spectroscopy and rotational viscometer. The results showed that when TiO2/SiO2<0.44, TiVI in TiO2 mainly acts as a network modifier. …”
Get full text

Recombinant production platform for Group A Streptococcus glycoconjugate vaccines by Sowmya Ajay Castro, Ian J. Passmore, Didier Ndeh, Helen Alexandra Shaw, Alessandro Ruda, Keira Burns, Sarah Thomson, Rupa Nagar, Kathirvel Alagesan, Mark Reglinski, Kieron Lucas, Sherif Abouelhadid, Ulrich Schwarz-Linek, Fatme Mawas, Göran Widmalm, Brendan W. Wren, Helge C. Dorfmueller

“…The structural integrity of the produced recombinant glycoconjugate vaccines was confirmed by Nuclear Magnetic Resonance (NMR) spectroscopy and mass spectrometry. Purified RhaPS glycoconjugates elicited carbohydrate-specific antibodies in mice and rabbits and bound to the surface of multiple Strep A strains of diverse M-types, confirming the recombinantly produced RhaPS glycoconjugates as valuable vaccine candidates.…”
Get full text

Coconut Shell Activated Carbon/CoFe2O4 Composite for the Removal of Rhodamine B from Aqueous Solution by Le Phuong Hoang, Huu Tap Van, Thi Thuy Hang Nguyen, Van Quang Nguyen, Phan Quang Thang

“…The properties of coconut shell activated carbon (CAC) and CAC/CoFe2O4 were investigated through the usage of electron microscopic methods (SEM: Scanning Electron Microscopy, EDS: Energy Dispersive X-ray), powder X-ray diffraction (XRD), and Fourier transform infrared spectroscopy (FTIR). A series of batch experiments were implemented to evaluate the influences of various experimental parameters (initial pH, RhB concentration, contact time, and dosage of CAC/CoFe2O4) on the adsorption process. …”
Get full text

Marine Antifouling for Underwater Archaeological Sites: TiO2 and Ag-Doped TiO2 by Silvestro A. Ruffolo, Andrea Macchia, Mauro F. La Russa, Lorenzo Mazza, Clara Urzì, Filomena De Leo, Marianna Barberio, Gino M. Crisci

“…For this purpose, they have been synthetized by sol-gel method, and then XRD, XPS, and reflectance spectroscopy measurements have been carried out to gain structural information. …”
Get full text

Norfloxacin and N-Donor Mixed-Ligand Copper(II) Complexes: Synthesis, Albumin Interaction, and Anti-Trypanosoma cruzi Activity by Darliane A. Martins, Ligiane R. Gouvea, Gabriel S. Vignoli Muniz, Sonia R. W. Louro, Denise da Gama Jaen Batista, Maria de Nazaré C. Soeiro, Letícia R. Teixeira

“…The interaction of the copper(II) complexes with bovine serum albumin (BSA) and human serum albumin (HSA) was investigated using fluorescence quenching of the tryptophan residues and copper(II) EPR spectroscopy. The results of fluorescence titration revealed that copper(II) complexes have a moderate ability to quench the intrinsic fluorescence of the albumins through a static quenching mechanism. …”
Get full text

Mid-infrared spectra of dried and roasted cocoa (Theobroma cacao L.): A dataset for machine learning-based classification of cocoa varieties and prediction of theobromine and caffe... by Gentil A. Collazos-Escobar, Andrés F. Bahamón-Monje, Nelson Gutiérrez-Guzmán

“…Infrared data were acquired using Attenuated Total Reflectance-Fourier Transform Infrared (ATR-FTIR) spectroscopy, while High-Performance Liquid Chromatography (HPLC) was employed to accurately quantify theobromine and caffeine in the dried cocoa beans. …”
Get full text

Effect of Boundary Layer Evolution on Nitrogen Dioxide (NO2) and Formaldehyde (HCHO) Concentrations at a High-altitude Observatory in Western India by Mriganka Sekhar Biswas, G. Pandithurai, M. Y. Aslam, Rohit D. Patil, V. Anilkumar, Shrikant D. Dudhambe, Christophe Lerot, Isebelle De Smedt, Michel Van Roozendael, Anoop S. Mahajan

“…This study reports observations of NO2 and HCHO using the Multi AXis Differential Optical Absorption Spectroscopy (MAX-DOAS) technique at the High Altitude Cloud Physics Laboratory (HACPL), Mahabaleshwar in the rural Western Ghats region of India. …”
Get full text

Development of a New Sequential Extraction Procedure of Nickel Species on Workplace Airborne Particulate Matter: Assessing the Occupational Exposure to Carcinogenic Metal Species by Catalani Simona, Fostinelli Jacopo, Gilberti Maria Enrica, Orlandi Francesca, Magarini Riccardo, Paganelli Matteo, Madeo Egidio, De Palma Giuseppe

“…The analytical method described in this paper allows the determination of soluble, sulfidic, metallic, and oxide Ni by a simple sequential extraction procedure and determination by Atomic Absorption Spectroscopy using small volumes of solutions and without long evaporation phases. …”
Get full text

Fabrication of heteroatom-doped graphene-porous organic polymer hybrid materials via femtosecond laser writing and their application in VOCs sensing by Rasha Diab, Ganjaboy Boltaev, Mahmoud M. Kaid, Ahmad Fawad, Hani M. El-Kaderi, Mohammad H. Al-Sayah, Ali S. Alnaser, Oussama M. El-Kadri

“…X-ray Photoemission Spectroscopy (XPS) confirmed the formation of a hierarchical porous hybrid material with high nitrogen (N) and oxygen (O) self-doping in the graphene. …”
Get full text

Photodegradation process for the removal of acid orange 10 using titanium dioxide and bismuth vanadate from aqueous solution by B. Rahimi, A. Ebrahimi, N. Mansouri, N. Hosseini

“…The characteristics of catalysts were determined by field emission scanning electron microscopes, X-ray diffraction and Fourier transform infrared spectroscopy. The optimum values of initial dye concentration, initial pH, irradiation time and catalyst dose were found 11.889 mg/L, 4.592, 12.87 min, and 0.178 g/100 mL for ultraviolet/titanium dioxide process, respectively, and 10.919 mg/L, 3.231, 320.26 min and 0.239 g/100 mL for visible/bismuth vanadate process, respectively. …”
Get full text

Comparison of Aging Performances and Mechanisms: Super-Durable Fire-Resistant “Xuan Paper” Versus Chinese Traditional Xuan Paper by Li-Ying Dong, Ying-Jie Zhu, Jin Wu, Han-Ping Yu

“…The aging mechanism of the traditional Xuan paper was further investigated by studying the fiber length/width and their distributions, morphology, infrared spectroscopy, thermogravimetric analysis, H–nuclear magnetic resonance spectra, and C–nuclear magnetic resonance spectra of cellulose fibers before and after the accelerated aging. …”
Get full text

Heteronuclear Fe-Mn Cyclopentadienyl Complexes Supported on Boehmite. Thermochemistry and Thermodynamics of their Decomposition by A.I. Rustamova, R.M. Muradxanov, S.N. Osmanova, F.K. Pashayeva, A.N. Mammadov, D.B. Tagiyev, E.H. Ismailov

“… Boehmite samples with compounds of the composition (C5H5)2FeMnX2(μ-CO)n, where X=Cl, Br and n=1.2, precipitated at room temperature from tetrahydrofuran solutions and then heated in an air flow up to 873 K were obtained and characterized using X-ray diffractometry, infrared Fourier spectroscopy, electron magnetic resonance and temperature-programmed desorption methods. …”
Get full text