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Artykuły w czasopismach na temat „XRD (X-ray Diffraction)SD (Standard Deviation”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

AashishVishwakarma. ""Efficacy study of copper nano particle on plant system"." International Journal of Advances In Scientific Research and Engineering (IJASRE) 3, no. 4 (2017): 120–24. https://doi.org/10.5281/zenodo.583824.

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We all know that nanoparticles have the unique property of w/v more surface area and this property can be used in the field of agriculture research. In our research we have used custom made coppernanoparticle with respect to conventional copper salt. We have performed some pot experiment with our plant material, Rapeseed (Brassicanapus) and treated plant with coppernanoparticle solution as well as conventional copper salt at recommended dose of 0.05ppm for increased crop yield and productivity. Above the 0.05ppm of conventional Cuso4 it was know to have toxic effect on plant morphology as well

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Salahuddin, Nehal, Ahmed A. Elbarbary, Mohamed L. Salem, and Samar Elksass. "Chitosan Nanoparticles as a Drug Delivery System for 1,2,4-Triazole Derivatives: Release and Antimicrobial Activity." Journal of Advance Research in Pharmacy & Biological Science (ISSN: 2208-2360) 2, no. 4 (2016): 141–52. http://dx.doi.org/10.53555/nnpbs.v2i4.755.

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Chitosan (CS) 1,2,4-triazole derivatives including in the formulation tripolyphosphate (TPP) as crosslinking agent was prepared by a simple one step method using ultrasonic technique. The resultant nanoparticles were characterized by x-ray diffraction (XRD), Fourier transform infrared analysis (FT-IR), thermal gravimetric analysis (TGA), derivative thermal gravimetric analysis (D-TGA), transmission electron microscopy (TEM) and scanning electron microscopy (SEM). The results indicate that spherical nanoparticles with an average size of 21, 14.6, 23.95, 29.5 nm and their standard deviation (SD)

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P.T, Ugosor,, and Wada, S.T. "Antimicrobial Studies of Biosynthesized Zinc Oxide Nanoparticles." Microbiology Archives, an International Journal 7, no. 1 (2025): 46–51. https://doi.org/10.51470/ma.2025.7.1.46.

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Nanoparticles of zinc oxide (ZnO NPs) were synthesized through a sustainable chemistry approach using aqueous extracts from Colocasia esculenta leaves. Characterization was conducted using UV-Visible spectroscopy, X-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), and Fourier-transform infrared spectroscopy (FTIR). Statistical analysis of antimicrobial activity data was carried out using Social Package for Social Sciences (SPSSS) version 20, with results reported as mean ± standard deviation (Mean ± SD). One-way Analysis of Variance (ANOVA)

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P.T, Ugosor,, and Toryem, M.M. "Antimicrobial Evaluation of Zinc Oxide Nanoparticles against Selected Pathogens of Dioscorea rotundata, L Tubers." Asian Journal of Research in Biochemistry 15, no. 3 (2025): 159–70. https://doi.org/10.9734/ajrb/2025/v15i3397.

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This research focuses on sustainable approaches to the synthesis of zinc oxide nanoparticles ( ZnO NPs) using Colocasia esculenta leaves extract and in vitro antimicrobial studies of the ZnO NPs against selected pathogens of Dioscorea rotundata, L tubers. ZnO NPs were synthesized by green route using aqueous leaves extract of Colocasia esculenta, L and characterized by UV-Visible (UV-vis), X-ray Diffraction ((XRD), Scanning Electron Microscopy (SEM), Energy Dispersive X-ray (EDX) and Fourier Transform Infra-red (FTIR) spectroscopy. The data obtained from the zone of inhibition (mm) was analyze

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Faisal, Mohd, Md Mahmud Alam, Jahir Ahmed, et al. "Sensitive Electrochemical Detection of 4-Nitrophenol with PEDOT:PSS Modified Pt NPs-Embedded PPy-CB@ZnO Nanocomposites." Biosensors 12, no. 11 (2022): 990. http://dx.doi.org/10.3390/bios12110990.

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In this study, a selective 4-nitrophenol (4-NP) sensor was developed onto a glassy carbon electrode (GCE) as an electron-sensing substrate, which decorated with sol–gel, prepared Pt nanoparticles- (NPs) embedded polypyrole-carbon black (PPy-CB)/ZnO nanocomposites (NCs) using differential pulse voltammetry. Characterizations of the NCs were performed using Field Emission Scanning Electron Microscopy (FESEM), Energy-Dispersive Spectroscopy (EDS), X-ray Photoelectron Spectroscopy (XPS), Ultraviolet–visible Spectroscopy (UV–vis), Fourier Transform Infrared Spectroscopy (FTIR), High Resolution Tran

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6

Ross, Kirk C., Joseph A. Petrus, and Andrew M. McDonald. "An empirical assessment of two-dimensional (2D) Debye–Scherrer-type image-plate X-ray diffraction data collapsed into a 1D diffractogram." Powder Diffraction 29, no. 4 (2014): 337–45. http://dx.doi.org/10.1017/s0885715614000487.

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X-ray diffraction (XRD) has been routinely employed in the Earth sciences to characterize the crystallography of rocks and minerals. Routine characterization of samples too small for analysis by classic automated powder diffraction methods becomes challenging without access to single crystal or micro-diffraction equipment. Here, we show that a traditional Gandolfi camera lined with an image-plate (IP) as the detection medium can return a fully quantitative diffraction pattern from a sub-milligram single grain specimen in a simple and straightforward manner. Data pertaining to peak positions (d

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Döbelin, Nicola. "Interlaboratory study on the quantification of calcium phosphate phases by Rietveld refinement." Powder Diffraction 30, no. 3 (2015): 231–41. http://dx.doi.org/10.1017/s088571561500038x.

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An interlaboratory study (ILS, round robin) was conducted to assess the accuracy and precision of the phase quantification of calcium phosphate (CaP) bioceramics by X-ray diffraction (XRD) and Rietveld refinement. For that purpose, a mixture of hydroxyapatite and β-tricalcium phosphate, two CaP phases commonly used in synthetic bone graft substitutes, was prepared and sent to 12 laboratories for XRD analysis. Results from 26 different instruments were received and evaluated statistically according to ASTM E691 – 13. The statistical analysis revealed that the reproducibility standard deviation

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8

Ciobanu, Steluta Carmen, Daniela Predoi, Mariana Carmen Chifiriuc, et al. "Salvia officinalis–Hydroxyapatite Nanocomposites with Antibacterial Properties." Polymers 15, no. 23 (2023): 4484. http://dx.doi.org/10.3390/polym15234484.

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In the present study, sage-coated zinc-doped hydroxyapatite was incorporated into a dextran matrix (7ZnHAp-SD), and its physico-chemical and antimicrobial activities were investigated. A 7ZnHAp-SD nanocomposite suspension was obtained using the co-precipitation method. The stability of the nanocomposite suspension was evaluated using ultrasound measurements. The stability parameter calculated relative to double-distilled water as a reference fluid highlights the very good stability of the 7ZnHAp-SD suspension. X-ray diffraction (XRD) experiments were performed to evaluate the characteristic di

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9

Tang, Jun Qi, Ning Zhang, and Shi Qing Man. "Green Synthesis of Monodispersity Gold Nanoparticles with Dextran." Key Engineering Materials 727 (January 2017): 365–68. http://dx.doi.org/10.4028/www.scientific.net/kem.727.365.

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A green approach to synthesize stable gold nanoparticles (AuNPs) employing dextran as a reducing and stabilizing agents at different temperature was described. The obtained dextran-coated gold nanoparticles (Dex-AuNPs) were characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD) analysis and UV-Vis spectroscopy. The average diameter of those resultant AuNPs at boiling bath was 12.1 nm with a relative standard deviation of less than 5.6%. UV–Vis spectra showed the presence of a surface plasmon band at 518 nm. These results suggested that the prepared Dex-AuNPs complexes

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10

Spiridigliozzi, Luca, Mauro Bortolotti, and Gianfranco Dell’Agli. "On the Effect of Standard Deviation of Cationic Radii on the Transition Temperature in Fluorite-Structured Entropy-Stabilized Oxides (F-ESO)." Materials 16, no. 6 (2023): 2219. http://dx.doi.org/10.3390/ma16062219.

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It is confirmed that Fluorite-structured Entropy-Stabilized Oxides (F-ESO) can be obtained with multicomponent (5) equimolar systems based on cerium, zirconium, and other rare earth elements, selected according to the predictor already proposed by the authors. Indeed, in the present study, three different samples owning a standard deviation (SD in the following) of their cationic radii greater than the threshold value (i.e., SD > 0.095 with cationic radii measured in Å) needed to ensure the formation of the single-phase fluorite structure, were prepared via co-precipitation method. After a

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Yue, Jianying, Xueqiang Ji, Shan Li та ін. "High thickness uniformity of 2-in. wafer-scale β-Ga₂O₃ films grown by MOCVD and photoelectrical properties". Journal of Vacuum Science & Technology A 40, № 6 (2022): 062702. http://dx.doi.org/10.1116/6.0002069.

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In this study, 2-in. wafer-scale large-area β-Ga2O3 epitaxial films were fabricated on c-plane sapphire substrates via metal-organic chemical vapor deposition. X-ray diffraction, atomic force microscopy, field-emission scanning electron microscope, and photoelectric properties were carried out to disclose the material uniformity of large-scale β-Ga2O3 epitaxial films. Even with film thickness as thick as 1.5 μm, the grown β-Ga2O3 epitaxial films demonstrated high crystal quality with an average FWHM of 1.71° and a standard deviation (SD) of 0.035, smooth surface morphology with an average root

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12

Patil, Sudha, Santosh Karajgi, Channamallikarjun Vastrad, et al. "Formulation and characterization of transdermal drug delivery system comprising esomeprazole." BLDE University Journal of Health Sciences 10, no. 1 (2025): 40–45. https://doi.org/10.4103/bjhs.bjhs_62_24.

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Abstract: INTRODUCTION: Esomeprazole is an antacid belonging to the category of proton-pump inhibitors. OBJECTIVE: The key objective of the present effort was to formulate and analyze the transdermal patch of esomeprazole using polymers, permeability enhancers, as well as plasticizer agents by means of solvent casting technique. MATERIALS AND METHODS: Esomeprazole transdermal patches was prepared and evaluated for appearance, weight uniformity, thickness, drug content, folding endurance, X-ray diffraction (XRD) study, differential scanning calorimetry (DSC), investigation by scanning electron

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13

Kolekar, Ravikumar, Suresh Baburao Kapatkar, and Shridhar Narasinhmurthy Mathad. "Synthesis and Characterization of Co0.8-x Nix Zn0.2 Fe2O4 Ferrites by Williamson–Hall and Size–Strain Plot Methods." Acta Chemica Iasi 27, no. 1 (2019): 73–86. http://dx.doi.org/10.2478/achi-2019-0006.

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Abstract The Co-Zn ferrite (x=0.00) and Nickel doped Co-Zn ferrites (x=0.24) was synthesized by low cost solid state reaction method and characterized by XRD technique. The X-ray diffraction results for the samples showed the formation of single phase cubic spinel. The lattice constant and particle size for Co-Zn ferrite(x=0.00) is found to be 8.3465 Å and 26.72 nm and for Nickel doped (x=0.24) it is 8.3440 Å and 24.21nm. Micro strain (ε), Dislocation density(ρD), Hopping lengths (LA and LB), Bond lengths (A - O and B-O), Ionic radii (rA and rB), Texture coefficients (Thkl) and Standard deviat

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14

Liu, Rui, Xin Zhang, Chaojun Zhang, et al. "A novel Ag/g-C₃N₄/GCE sensor for highly efficient electrochemical detection of sulfamethoxazole." Journal of Physics: Conference Series 2680, no. 1 (2024): 012046. http://dx.doi.org/10.1088/1742-6596/2680/1/012046.

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Abstract An electrochemical sensor for rapid detection of sulfamethoxazole (SMZ) was constructed by glassy carbon electrode (GCE) modified with Ag/g-C3N4 nanomaterials. The morphology and structure of this sensor were characterized using scanning electron microscopy (SEM), X-ray diffraction (XRD) and Fourier transform infrared spectoscopy (FT-IR). The effects of scanning rate and pH on the electrochemical response were investigated. The Ag/g-C3N4/GCE sensor showed that the Ag/g-C3N4/GCE sensor had a low detection limit, high recovery, and good selectivity. The recovery rate of real water sampl

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15

Albu, Camelia, Ana Chira, Alice Stoica, et al. "N-Doped Nanocrystalline Graphite Electrochemical Sensor for Oleuropein Detection from Extra Virgin Olive Oils." Chemosensors 12, no. 8 (2024): 144. http://dx.doi.org/10.3390/chemosensors12080144.

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A nitrogen-doped nanocrystalline electrochemical graphite sensor for the sensitive determination of oleuropein (OL) from extra virgin olive oils (EVOOs) is presented. The sensor was developed by the deposition of nanocrystalline graphite (NCG) using plasma-enhanced chemical vapour deposition (PECVD) on silicon wafers. Scanning electron microscopy (SEM), energy dispersive X-ray analysis (EDX) and X-ray diffraction analysis (XRD) were used to characterise the microstructure and morphology of the developed materials. Cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS) and square

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Huang, Jian, Zhe Lei, Qian Zhang, Mei Juan Su, and Liang Liu. "One-Step Rapid Synthesis of Al-Based Ag Dendrites for Highly Active and Cost Effective SERS Plasmonic Substrates." Key Engineering Materials 861 (September 2020): 309–14. http://dx.doi.org/10.4028/www.scientific.net/kem.861.309.

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Highly active Al-based Ag dendrites SERS plasmonic substrates have been rapidly synthesized by the one-step galvanic displacement reaction without the use of any surfactants and templates. The as-prepared SERS substrates were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), and Raman spectroscopy. XRD measurements confirmed the metallic nature of the formed Ag dendrites. None of the organic additives were used in the synthesis process, which ensures the substrates surfaces are completely clean and avoiding the introduction of organic contaminants. The innovative ro

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17

Mohammed Rasool, Ahmed, Jabbar Abdulkareem Thjeel, and Jabbar Abdullah Hasan. "Determination of the Effect of Zinc Acetate as a Doped Substance on the Properties of Cadmium Sulfide Nanomaterials by using a Hydrothermal Interaction Technique." International Journal of Physics Research and Applications 6, no. 2 (2023): 160–64. http://dx.doi.org/10.29328/journal.ijpra.1001066.

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In the current work, cadmium sulfide nanoparticles (CdS) NPs were synthesized via the hydrothermal interaction technique. Especially, the deviation in zinc Acetate Zn(CH3CO2)2 with 0.5% 1.5%, and 2.25% was examined for its part in nanoparticles size. The nanoparticle size seems to reduce from 149.7 nm to 116.3 nm by enhancing the zinc acetate Zn(CH3CO2)2. With increasing zinc acetate Zn(CH3CO2)2 in CdS (Cadmium Sulfide) small lattice phase changes appeared due to angle peaks of diffraction shifting toward higher angle. The standard crystallite size and lattice parameters were analyzed through

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Benmassaoud, Yassine, Khaled Murtada, Rachid Salghi, Mohammed Zougagh, and Ángel Ríos. "Rapid Sample Screening Method for Authenticity Controlling of Vanilla Flavours Using Liquid Chromatography with Electrochemical Detection Using Aluminium-Doped Zirconia Nanoparticles-Modified Electrode." Molecules 27, no. 9 (2022): 2915. http://dx.doi.org/10.3390/molecules27092915.

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A rapid and sensitive technique for frauds determination in vanilla flavors was developed. The method comprises separation by liquid chromatography followed by an electrochemical detection using a homemade screen-printed carbon electrode modified with aluminium-doped zirconia nanoparticles (Al-ZrO2-NPs/SPCE). The prepared nanomaterials (Al-ZrO2-NPs) were characterized by using X-ray diffraction (XRD), transmission electron microscopy (TEM) and energy dispersive X-ray (EDX). This method allows for the determination of six phenolic compounds of vanilla flavors, namely, vanillin, p-hydroxybenzoic

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Kadhim, Zainab M. "Effect of Synthesizing Temperature on the Structure and Magnetic Properties of The Co-Ferrite." BASRA JOURNAL OF SCIENCE 41, no. 2 (2023): 355–69. http://dx.doi.org/10.29072/basjs.20230210.

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This study explores the preparation of Co-nano ferrites using the glycine-nitrate auto-combustion method at different synthesis temperatures. The crystal structure, magnetic properties, and morphological traits were investigated using X-rays in diffractometry, a vibrating sample magnetometer, and scanning electron microscopy. Based on the X-ray diffraction (XRD) data, it can be observed that the products produced possess a cubic spinel structure. As the temperature for synthesis is elevated from 100°C to 250°C, there is an observed increase in the size of the crystallites from 21nm to 25nm. Fu

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Ferkhi, Mosbah, Mouna Mekersi, and Ebru Kuyumcu Savan. "Development of a Sensitive Electrochemical Sensor for the Simultaneous Quantification of Acetaminophen Traces onto Carbon Paste Electrode Modified with Black Carbon and La0.6Sr0.4Co0.8Fe0.2O3 Nano-Sized Particles." Anatolian Journal of Pharmaceutical Sciences 4, no. 1 (2025): 27–47. https://doi.org/10.71133/anatphar.1594005.

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Recently, the development of an advanced electrochemical sensor has received tremendous attention in the field of drug monitoring. The La0.6Sr0.4Co0.8Fe0.2O3 (LSCF) nano-sized oxides were synthesized by a simple sol-gel citrate method, modified with black carbon (BC) and prepared as a carbon paste electrode (CPE) for the simultaneous determination of paracetamol (PCM) traces presence in PBS electrolyte through cyclic voltammetry (CV), differential pulse voltammetry (DPV) and electrochemical impedance spectroscopy (EIS) as sensing techniques. X-ray diffraction (XRD), scanning electron microscop

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Rose, M. M., R. S. Christy, T. A. Benitta, J. T. T. Kumaran, and M. R. Bindhu. "Phase transition in ZnS nanoparticles: electrical, thermal, structural, optical, morphological, antibacterial and photocatalytic properties." Chalcogenide Letters 19, no. 11 (2022): 855–69. http://dx.doi.org/10.15251/cl.2022.1911.855.

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Zinc Sulphide nanoparticles (ZnS-NPs) are synthesized by microwave assisted chemical precipitation method. The as-synthesized nanoparticles are identified by X ray diffraction and electrical studies to examine the structural transition. The HT-XRD at 1000 C (373 K) and 2000 C (473 K) of ZnS-NPs also confirms structural transition of cubic to hexagonal phase. Thermal properties of the ZnS sample is also studied using thermo gravimetricdifferential thermal analysis (TG-DTA). From D.C. electrical resistance, a discontinuity occurs in the temperature resistance curve of the ZnS-NPs due to phase tr

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Ismail, Muhammad. "The role of silver nanoparticles synthesized from Brassica olerace for determination of Aspirin in pharmaceutical samples by standard additions method." Experimental and Theoretical NANOTECHNOLOGY 7, no. 2 (2023): 95–110. http://dx.doi.org/10.56053/7.2.95.

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In this study, silver nanoparticles (Ag NPs) were prepared from Brassica oleracea (BO) leaflet extract (BO-AgNPs) and applied for to determination of Aspirin in pharmaceutical samples through selective and sensitive spectrophotometric standard additions method. The measurements of UV-Visible, X-ray diffraction (XRD), Fourier transform infrared (FTIR) and scanning electron microscopy (SEM) have been used to confirm the formation of BO-AgNPs, revealing a prominent absorption band at 450 nm, crystallinity, and an agglomerated morphology having an average particle size of 29 nm. Aspirin in Acifein

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Yan, Kezhou, Yanxia Guo, Xiaoxiao Wu, and Fangqin Cheng. "Effect of organic matter on the Rietveld quantitative analysis of crystalline minerals in coal gangue." Powder Diffraction 31, no. 3 (2016): 185–91. http://dx.doi.org/10.1017/s088571561600018x.

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The Rietveld method based on X-ray diffraction (XRD) technology has been commonly applied for the quantitative analysis of crystalline minerals in organic-rich rocks. The presence of organic matter, however, has interference in varying degree to the quantitative result. In this work, the mixed samples of organic matter and crystalline minerals at given proportions were prepared to investigate the effect of organic matter on the Rietveld quantitative analysis of crystalline minerals in coal gangue. The relative standard deviation (RSD) and absolute error (AE) were used to evaluate the precision

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Shayuti, Muhammad Shafiq Mat, Rahida Wati Sharudin, Tengku Amran Tengku Mohd, Putri Nadzrul Faizura Megat Khamaruddin, Mohamad Zaki Abdullah, and Puteri Sri Melor Megat Yusoff. "Thermal Conductivity and Crystallography of Polypropylene/Polycarbonate/ Polypropylene-Graft-Maleic Anhydride Polymer Blend." Materials Science Forum 995 (June 2020): 56–62. http://dx.doi.org/10.4028/www.scientific.net/msf.995.56.

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The effect of blending polycarbonate (PC) into polypropylene (PP) matrix polymer on thermal conductivity and crystal structure was studied. The blends consisted of 5% to 35% of PC with 5% compatibilizer (polypropylene-graft-maleic anhydride or PP-g-MA), were compounded using twin-screw extruder and shaped into standard tests samples by compression molding. The thermal conductivity values for PP/PC/PP-g-MA blends were ranging from 0.22 – 0.24 W/m.K. When compared to Hanshin – Shtrikman model, the highest difference in the thermal conductivity values was 28.2% shown in 90/5/5 composition. The de

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Synaridou, Maria S., Eleftherios G. Andriotis, Constantinos K. Zacharis, Dimitrios G. Fatouros, and Catherine K. Markopoulou. "Solid Dosage Forms of Dexamethasone Sodium Phosphate Intended for Pediatric Use: Formulation and Stability Studies." Pharmaceutics 12, no. 4 (2020): 354. http://dx.doi.org/10.3390/pharmaceutics12040354.

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Undesirable taste has always been a key issue for oral dosage forms. The aim of the present study was to co-formulate dexamethasone sodium phosphate (DSP), in common pediatric oral forms, using sweet preserves and/or different types of chocolate as excipients. An array of different kinds of chocolate were co-formulated with DSP and were further characterized by means of dynamic light scattering (DLS), x-ray diffraction (XRD), differential scanning calorimetry (DSC) and Fourier-transform infrared (FT-IR) spectroscopy. For the assay of active pharmaceutical ingredient (API), the chocolate sample

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Zhang, Xinmeng, Kezhi Li, Hejun Li, Jinhua Lu, and Leilei Zhang. "Molybdenum Trioxide Dihydrate-Graphene Composite for Electrochemical Detection of Thiourea Molecule." Nano 11, no. 03 (2016): 1650036. http://dx.doi.org/10.1142/s1793292016500363.

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A novel electrochemical sensing platform was constructed based on a facile self-assembly procedure synthetic laminar molybdenum trioxide dihydrate (MoO[Formula: see text]H2O)-graphene composite. Field emission scanning electron microscopy (FESEM), X-ray spectroscopy, X-ray diffraction (XRD) and Raman spectroscopy were employed to characterize the morphology and composition of the MoO[Formula: see text]H2O-graphene composite. As a model molecule, thiourea was utilized to investigate the electrochemical behaviors of the MoO[Formula: see text]H2O-graphene composite modified glass carbon electrode

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Jackoub Raddaha, Namir S., Sigrid Seuss, and Aldo R. Boccaccini. "Study of the Electrophoretic Deposition of Chitosan/Halloysite Nanotubes/Titanium Dioxide Composite Coatings Using Taguchi Experimental Design Approach." Key Engineering Materials 654 (July 2015): 230–39. http://dx.doi.org/10.4028/www.scientific.net/kem.654.230.

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This study presents experimental results on the electrophoretic deposition (EPD) of chitosan/halloysite nanotube/titanium dioxide composite coatings based on the Taguchi design of experiments (DOE) approach. Taguchi array of L18type with mixed levels of the control factor was used to study the influence of EPD parameters, including halloysite nanotubes concentration, electric voltage and deposition time, on deposition yield. For identifying the significant factors that affected the deposition yield, multivariate analysis of variance (MANOVA) and regression analysis based on partial least-squar

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Zhao, Tao, Rongqi Chen, and Junping Wang. "A Mild Method for Preparation of Highly Selective Magnetic Biochar Microspheres." International Journal of Molecular Sciences 21, no. 11 (2020): 3752. http://dx.doi.org/10.3390/ijms21113752.

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We report the use of biochar and Fe3O4 nanoparticles as co-stabilizers for oil-in-water (o/w) Pickering emulsion. The emulsion is subsequently used to prepare magnetic tetracycline-imprinted biochar composite microspheres (MMIPMs) with good uniformity and high selectivity. The MMIPMs were characterized by scanning electron microscopy (SEM), Brunner-Emmet-Teller (BET) measurements, Fourier transform infrared spectrometry (FT-IR), X-ray diffraction (XRD), vibrating sample magnetometer (VSM) and thermogravimetry analysis (TGA). The adsorption properties of tetracycline to the MMIPMs were investig

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Ghaedi, M., M. Rezakhani, S. Khodadoust, K. Niknam, and M. Soylak. "The Solid Phase Extraction of Some Metal Ions Using Palladium Nanoparticles Attached to Silica Gel Chemically Bonded by Silica-Bonded N-Propylmorpholine as New Sorbent prior to Their Determination by Flame Atomic Absorption Spectroscopy." Scientific World Journal 2012 (2012): 1–9. http://dx.doi.org/10.1100/2012/764195.

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In this research at first palladium nanoparticle attached to a new chemically bonded silica gel has been synthesized and has been characterized with different techniques such as X-ray diffraction (XRD), fourier transform infrared (FT-IR), transmission electron microscopy (TEM), and scanning electron microscopy (SEM). Then, this new sorbent (chemically modified silica gel with N-propylmorpholine (PNP-SBNPM)) was efficiently used for preconcentration of some metal ions in various food samples. The influence of effective variables including mass of sorbent, flow rate, pH of sample solutions and c

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Abedi, Hamid, and Ali Roostaie. "Magnetic molecularly imprinted polymer for trace pharmaceutical analysis: Preconcentration and the electrochemical determination of sufentanil in biological fluids." Vietnam Journal of Chemistry 61, no. 3 (2023): 383–96. http://dx.doi.org/10.1002/vjch.202300007.

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AbstractA magnetic molecularly imprinted electrochemical sensor was developed for selective determination of sufentanil (SUF) based on carbon paste electrode (CPE) modified with methacrylic acid‐ethylene glycol dimethacrylate‐coated Fe3O4 nanoparticles (Fe3O4@MAA‐EGDMA NPs). The structural properties, chemical structure, and electrochemical behaviors of the imprinted sensor were characterized by X‐ray diffraction analysis (XRD), Fourier transform infrared spectroscopy (FT‐IR), and square wave voltammetry (SWV), respectively. The prepared sensor revealed admirable recognition ability and select

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Qistina, Omar, Ali Salmiaton, Thomas S. Y. Choong, Yun Hin Taufiq-Yap, and Shamsul Izhar. "Optimization of Carbon Nanotube-Coated Monolith by Direct Liquid Injection Chemical Vapor Deposition Based on Taguchi Method." Catalysts 10, no. 1 (2020): 67. http://dx.doi.org/10.3390/catal10010067.

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Carbon nanotubes (CNTs) have the potential to act as a catalyst support in many sciences and engineering fields due to their outstanding properties. The CNT-coated monolith was synthesized over a highly active Ni catalyst using direct liquid injection chemical vapor deposition (CVD). The aim was to study the optimum condition for synthesizing CNT-coated monoliths. The Taguchi method with L9 (34) orthogonal array design was employed to optimize the experimental conditions of CNT-coated monoliths. The design response was the percentage of carbon yield expressed by the signal-to-noise (S/N) value

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Maghsoudi Moud, Fardad, Frank van Ruitenbeek, Rob Hewson, and Mark van der Meijde. "An Approach to Accuracy Assessment of ASTER Derived Mineral Maps." Remote Sensing 13, no. 13 (2021): 2499. http://dx.doi.org/10.3390/rs13132499.

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An accuracy assessment of a classified thematic map is critical for the success of a remote sensing project. The identification and quantification of accuracy sources for classified mineral maps derived from satellite images enable confident decisions to be made for further exploration operations. Nineteen rock samples were collected from the different lithological units of the hydrothermally altered Kuh Panj Cu porphyry occurrence within the south-eastern part of Iran. SPECIM hyperspectral imaging was applied to the rock samples, followed by X-ray diffraction (XRD) analysis to compare the SPE

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Ismail, Muhammad, Wang Xiangke, and Saima . "Green Synthesis of Silver Nanoparticle from Brassica Oleracea for Determination of Paracetamol in the Presence of Tyrosine, Leucine and Alanine by Derivative Method." Pakistan Journal of Medical and Health Sciences 17, no. 1 (2023): 641–44. http://dx.doi.org/10.53350/pjmhs2023171641.

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In this work, biogenic silver nanoparticles (Ag NPs) from Brassica oleracea (Bo) leaf extract (AgNP-Bo) were prepared and utilized in synthetic mixtures for the accurate, effective, and sensitive spectrophotometric detection of Paracetamol. Measurements in the UV-Visible, X-ray diffraction (XRD), and scanning electron microscopy (SEM) have been used to confirm the synthesis of AgNP-Bo. These statistics indicate that the average particle size is 26.39 nm, the crystallinity has an aggregated structure, and the typical absorption wavelength is 445 nm. To decrease the possible influence of the lis

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DAHAJI, Roghayeh Rais Mohammadi, Ali MOGHIMI, Hamidreza SHAHBAZI, Hakim FARAJI, and Fariborz AZIZINEJAD. "Preparation of modified multiwalled carbon nanotubes (l-Arg-CS/MWCNTs-COOH/Fe3O4) as sorbent for dispersive solid phase extraction of Cu(II), Pb(II) and Cd(II) in wastewater samples." Revue Roumaine de Chimie 68, no. 10-12 (2024): 495–505. http://dx.doi.org/10.33224/rrch.2023.68.10-12.01.

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A new modified multiwalled carbon nanotube (l-Arg-CS/MWCNTs-COOH/Fe3O4) as sorbent of dispersive solid phase extraction (DSPE) was synthesized for preconcentration and determination of Cu (II), Pb (II), and Cd (II) in wastewater samples. The successful formation of sorbent was characterized by FTIR (Fourier transform infrared) spectroscopy, SEM (Scanning electron microscope), and XRD (X-ray diffraction). Batch experiments such as solution pH, amount of adsorbent, extraction time, type and volume rate of eluent and etc were achieved to study the sorption process. At optimized conditions the ads

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Majeed, Omar Abdul, Shams Aws Ismael, and Ahmed Aqeel mohmmed. "Production of Potassium Fertilizer and Nano-Silver from Recycling Hazardous Liquid Waste Resulting from Measuring Chemical Oxygen Demand (COD)." IOP Conference Series: Earth and Environmental Science 1507, no. 1 (2025): 012025. https://doi.org/10.1088/1755-1315/1507/1/012025.

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Abstract The increase in the amounts of industrial water discharged into the environment is accompanied by a rise in the number of chemical tests to estimate the amount of organic materials by measuring the chemical oxygen demand (COD). Techniques for measuring COD were developed about 150 years ago, relying on observing color changes in permanganate solutions, which resulted in significant amounts of materials remaining in bottles containing potassium chromate, posing risks to the environment and living organisms. Silver nitrate was employed in the treatment of wastewater to study the chemica

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Al-Mosawi, Reham M., Hanadi Abdulqadar Jasim, and Athir Haddad. "Study of the antibacterial effects of the starch-based zinc oxide nanoparticles on methicillin resistance <i>Staphylococcus aureus</i> isolates from different clinical specimens of patients from Basrah, Iraq." AIMS Microbiology 9, no. 1 (2023): 90–107. http://dx.doi.org/10.3934/microbiol.2023006.

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<abstract> <p>This study aimed to assess the efficacy of starch-based zinc oxide nanoparticles (ZnO-NPs) against methicillin-resistant <italic>Staphylococcus aureus</italic> (MRSA) isolates from clinical specimens in Basrah, Iraq. In this cross-sectional study, 61 MRSA were collected from different clinical specimens of patients in Basrah city, Iraq. MRSA isolates were identified using standard microbiology tests, cefoxitin disc diffusion and oxacillin salt agar. ZnO-NPs were synthesized in three different concentrations (0.1 M, 0.05 M, 0.02 M) by the chemical method us

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Sanaei, Yasaman, Mohsen Zeeb, Seyed Saied Homami, Amirhossein Monzavi, and Zahra Khodadadi. "Magnetic solid-phase extraction based on the Carbonized cotton fabric/zeolite imidazolate framework-71/Fe3O4/polythionine followed by atomic absorption spectrometry for cadmium monitoring in water, tomato and cabbage samples." Analytical Methods in Environmental Chemistry Journal 5, no. 02 (2022): 60–75. http://dx.doi.org/10.24200/amecj.v5.i02.186.

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Carbonized cotton fabric/zeolite imidazolate framework-71/Fe3O4/polythionine (CCF/ZIF-71/Fe3O4/PTh) was fabricated, characterized, and applied as efficient magnetic sorbent in magnetic solid-phase extraction (MSPE) of cadmium from water and food samples before determination by flame atomic absorption spectrometry (FAAS). This modification of carbonized cotton fabric led to making a great surface area and porosity, increase extraction efficiency, and acceptable selectivity. The characterization of this proposed sorbent was performed by X-ray diffraction (XRD), field-emission scanning electron m

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Sarkar, Pritu Parna, Ridma Tabassum, Ahmed Jalal Hasnain, Ali Ashraf, and Nazmul Islam. "Interdigitated Gear-Shaped Screen-Printed Electrode Using G-PANI Ink for Sensitive Electrochemical Detection of Dopamine." Journal of Sensor and Actuator Networks 13, no. 6 (2024): 84. https://doi.org/10.3390/jsan13060084.

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In this research, a novel interdigitated gear-shaped, graphene-based electrochemical biosensor was developed for the detection of dopamine (DA). The sensor’s innovative design improves the active surface area by 94.52% and 57% compared to commercially available Metrohm DropSens 110 screen-printed sensors and printed circular sensors, respectively. The screen-printed electrode was fabricated using laser processing and modified with graphene polyaniline conductive ink (G-PANI) to enhance its electrochemical properties. Fourier Transform Infrared (FTIR) Spectroscopy and X-ray diffraction (XRD) we

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Mohammadzadeh, Sedigheh, and Zahra Karimzadeh. "Development of a New Method Based on Copper Sulfide Nanoparticles for the Determination of Fentanyl in Biological Samples." ImmunoAnalysis 2 (December 24, 2022): 5. http://dx.doi.org/10.34172/ia.2022.05.

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Background: Fentanyl is an opioid analgesic drug extensively used to alleviate pain with no consciousness loss. To address the fentanyl crisis from the criminal and medical perspectives,the development of a free drug determination methodology for this drug is crucial. Methods: A fluorescent nanoprobe based on copper sulfide nanoparticles (CuS NPs) is developed for the determination of fentanyl in exhaled breath condensate (EBC). NPs are synthesized according to a hydrothermal method and their size and morphology are characterized via X-ray diffraction (XRD), Fourier-transformed infrared (FTIR)

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Al-Jarsha, Hayder Yahya Mansoor, and Mowafaq M. Ghareeb. "Validation of UV-visible spectrophotometric method for niclosamide in different media." Tropical Journal of Pharmaceutical Research 23, no. 5 (2024): 871–80. http://dx.doi.org/10.4314/tjpr.v23i5.9.

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Purpose: To validate a UV-visible spectrophotometric technique for evaluating niclosamide (NIC) concentration in different media across various values of pH. Methods: NIC was investigated using a UV-visible spectrophotometer in acidic buffer solution (ABS) of pH 1.2, deionized water (DW), and phosphate buffer solution (PBS), pH 7.4. The characterization of NIC was done with differential scanning calorimeter (DSC), powder X-ray diffraction (XRD), and Fourier transform infrared spectroscopy (FTIR). The UV analysis was validated for accuracy, precision, linearity, and robustness. Results: The DSC

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Abidin, Nur Husna Zainal, Wan Nazihah Wan Ibrahim, Nor Suhaila Mohamad Hanapi, and Nor’ashikin Saim. "Magnetic Mesoporous Silica Composite for Enhanced Preconcentration of Selected Organophosphorus Pesticides in Fruits." Indonesian Journal of Chemistry 20, no. 4 (2020): 729. http://dx.doi.org/10.22146/ijc.42935.

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In the present work, MCM-41 coated magnetic particles (Fe3O4-MCM-41) composite was synthesized and employed as an effective adsorbent in magnetic solid phase extraction (MSPE) of three selected organophosphorus pesticides (OPPs) namely chlorpyrifos, diazinon and parathion methyl from grape and strawberry samples prior to high performance liquid chromatography with UV detection (HPLC-UV). The synthesized sorbent was physicochemically and morphologically characterized via Fourier transform infrared spectroscopy (FT-IR), field emission scanning electron microscopy (FESEM), transmission electron m

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Acosta, J. J., P. C. Favilla, and J. R. Collet-Lacoste. "Chemical Synthesis and Characterization of Carbon Supported Palladium Electro-Catalysts." International Journal of Nanoscience 16, no. 05n06 (2017): 1750007. http://dx.doi.org/10.1142/s0219581x17500077.

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The aim of this work is to present the results obtained for the synthesis of Pd NPs by the modified-polyol method with Vulcan XC-72R as support. Two different ways were used to synthesize catalysts: (a) Maintaining the initial pH of the synthesis equal to 12 and changing the initial concentration of the precursor to obtain an overall 10 wt.% nominal Pd load; (b) Fixing the initial concentration of the precursor at 2[Formula: see text]mM whilst changing the initial pH of the synthesis at different values to obtain an overall 10[Formula: see text]wt.% nominal Pd load. Catalysts were characterize

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Hamishehkar, Hamed, Maryam Pourtahmaseb, Afshin Babazadeh, and Shohreh Alipour. "Physicochemical and Aerosolization Assessment of Inhalable Spray Dried Fluconazole Powder." Pharmaceutical Sciences 24, no. 3 (2018): 219–26. http://dx.doi.org/10.15171/ps.2018.32.

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Background: Respiratory fungal diseases therapy is still facing challenges as a result of increasing autoimmune disorders, cancers, and immunosuppressive medication usage. Fluconazole is a wide spectrum antifungal agent and is still used successfully in the treatment of opportunistic infections in combination with other antifungal agents. Since, the treatment of respiratory fungal diseases requires prolonged hospitalization; it may increase the chances of other opportunistic infections. Considering the reported drug resistance and adverse effects of systemic administration, it appears that loc

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Sedki, Mohammed, Guo Zhao, Shengcun Ma, David Jassby, and Ashok Mulchandani. "Linker-Free Magnetite-Decorated Gold Nanoparticles (Fe3O4-Au): Synthesis, Characterization, and Application for Electrochemical Detection of Arsenic (III)." Sensors 21, no. 3 (2021): 883. http://dx.doi.org/10.3390/s21030883.

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Linker-free magnetite nanoparticles (Fe3O4NPs)-decorated gold nanoparticles (AuNPs) were grown using a new protocol that can be used as a new platform for synthesis of other intact metal–metal oxide nanocomposites without the need for linkers. This minimizes the distance between the metal and metal oxide nanoparticles and ensures the optimum combined effects between the two material interfaces. X-ray diffraction (XRD) and Fourier transform infrared (FTIR) spectroscopy confirmed the successful synthesis of the Fe3O4-Au nanocomposite, without any change in the magnetite phase. Characterization,

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Schmitt, Peter, Victoria Stanton, and Michael Peterson. "Laser Diffraction Particle Size Distribution of North American Turfgrass Horse Racing Surfaces." Journal of the ASABE 66, no. 3 (2023): 735–46. http://dx.doi.org/10.13031/ja.15396.

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Highlights Laser diffraction analysis of soil particle size distribution is uniquely suited for active turf racetracks. Eight standard sampling locations are shown to be sufficient for characterizing a racing surface. Differences between the three archetypes of turfgrass racing surfaces were significant using laser diffraction. There is a need for consensus on the proper handling of organic content in samples. Abstract. Significant research has focused on North American dirt and synthetic Thoroughbred racing surfaces. Turfgrass racing surfaces have received less consideration. Basic informatio

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Wang, Longni, Hongyuan Fu, Qianfeng Gao, et al. "Engineering Performance and Mechanism of Alkali-Activated Ground Granulated Blast Furnace Slag–Zeolite Powder Grouting Materials." Applied Sciences 15, no. 6 (2025): 3345. https://doi.org/10.3390/app15063345.

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Geopolymer-based grouting materials often have a higher early strength, better durability, and lower environmental impact than those of traditional cement-based grouts. However, existing geopolymer grouts face common challenges such as rapid setting and low compatibility with treated substrates. This study develops a new grouting material using industrial byproducts to overcome these limitations while optimizing performance for reinforcing silty mudstone slopes. The base materials used were ground granulated blast furnace slag (GGBFS) and zeolite powder, with calcium lignosulphonate (CL) servi

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Hagger, Oliver S. J., M. Emre Sener, Imran Khan, et al. "Rapid Single Step Atmospheric Pressure Plasma Jet Deposition of a SERS Active Surface." ECS Meeting Abstracts MA2024-01, no. 24 (2024): 1410. http://dx.doi.org/10.1149/ma2024-01241410mtgabs.

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Surface-enhanced Raman Spectroscopy (SERS) is a highly sensitive detection technique capable of nanomolar or lower detection limits for some analytes.1-3 The key parameter is control of the surface nanostructure to optimise this remarkable enhancement, providing non-destructive detection without the need for chemical labelling. The bottleneck for the wide applicability of SERS as a valuable analytical tool is twofold: (1) rapid fabrication with the required nanostructure and (2) the difficulty in recovering a baseline before exposure or re-exposure to the target matrix. Here we describe an atm

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Joseph, Boby, Nicola Demitri, Paolo Lotti, Andrea Lausi, and Paolo Dore. "Unraveling the Peculiarities in the Temperature-Dependent Structural Evolution of Black Phosphorus." February 20, 2017. https://doi.org/10.3390/condmat2010011.

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Black phosphorous (BP) is one of the important emerging two-dimensional systems. We have undertaken a structural investigation of BP in the temperature range of 320 K to 85 K using synchrotron X-ray diffraction (XRD) studies. The XRD pattern of BP is heavily influenced by the preferred orientation effects. Collection of the diffraction pattern in a standard capillary geometry with controlled capillary rotations perpendicular to the X-ray direction permitted us to provide insights to the effects of the preferred orientation. In the range of 320 K to 85 K, BP remains in the so-called "A17" ortho

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Zhou, Yuanxun, Biao Wu, Jianhao Wang, and Hong Wang. "Effect of signal‐to‐noise ratio on the automatic clustering of X‐ray diffraction patterns from combinatorial libraries." Materials Genome Engineering Advances, February 26, 2024. http://dx.doi.org/10.1002/mgea.27.

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AbstractHierarchical clustering algorithm has been applied to identify the X‐ray diffraction (XRD) patterns from a high‐throughput characterization of the combinatorial materials chips. As data quality is usually correlated with acquisition time, it is important to study the hierarchical clustering performance as a function of data quality in order to optimize the efficiency of high‐throughput experiments. This work investigated the effects of signal‐to‐noise ratio on the performance of hierarchical clustering using 29 distance metrics for the XRD patterns from Fe−Co−Ni ternary combinatorial m

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Bonfim, Kely Silveira, Murilo dos Santos Peixoto, and Devaney Ribeiro do Carmo. "Chemical Properties of Cerium (III) Hexacyanoferrate (II/III) on Graphene Oxide Chemically Modified with a PAMAM Dendrimer and Application as a Sensor for l‐Dopamine Detection." ChemistrySelect 10, no. 2 (2025). https://doi.org/10.1002/slct.202405151.

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AbstractA novel functional platform comprising graphene oxide (GO) and a PAMAM dendrimer (GO‐PAMAM) is presented herein, subsequently modified with Ce(III) ions and potassium hexacyanoferrate (III) to form a complex incorporating hexacyanoferrate (II/III) redox species. The resulting hybrid material was characterized by different spectroscopic techniques such as X‐ray photoelectron spectroscopy (XPS), Fourier transform infrared spectroscopy (FTIR), X‐ray diffraction (XRD), and cyclic voltammetry studies. Electrochemical assessments, specifically cyclic voltammetry, demonstrated the suitability

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