In the last decade, it has been observed that field of biomaterials gained attention researchers. This study presents physicochemical and biological properties coatings based on chromium-doped hydroxyapatite (CrHAp) enriched with amoxicillin (CrHApAx). The were obtained for first time using dip coating technique, beginning from dense suspensions CrHAp CrHApAx. layers then analyzed by various methods in order to have a comprehensive overview their properties. Stability studies performed...

Abstract Synthesis of nanosized particle Ag-doped hydroxyapatite with antibacterial properties is in the great interest development new biomedical applications. In this article, we propose a method for synthesized nanocrystalline hydroxyapatite. A silver-doped was at 100°C deionized water. Other phase or impurities were not observed. Silver-doped nanoparticles (Ag:HAp) performed by setting atomic ratio Ag/[Ag + Ca] 20% and [Ca Ag]/P as 1.67. The X-ray diffraction studies demonstrate that...

The synthesis of nanosized particles Ag-doped hydroxyapatite with antibacterial properties is great interest for the development new biomedical applications. aim this study was evaluation of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mrow><mml:msub><mml:mtext>Ca</mml:mtext><mml:mrow><mml:mn>10</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math><mml:math...

Ag-doped nanocrystalline hydroxyapatite nanoparticles (Ag:HAp-NPs) (Ca10-xAgx(PO4)6(OH)2, xAg = 0.05, 0.2, and 0.3) with antibacterial properties are of great interest in the development new products. Coprecipitation method is a promising route for obtaining Ag:HAp properties. X-ray diffraction identified HAp as an unique crystalline phase each sample. The calculated lattice constants b 9.435 Å, c 6.876 Å 9.443 6.875 9.445 6.877 0.3 good agreement standard 9.418 6.884 (space group P63/m)....

Fourier transform infrared spectroscopy (FT-IR) analysis was conducted on europium-doped hydroxyapatite,<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:msub><mml:mrow><mml:mtext>C</mml:mtext><mml:mtext>a</mml:mtext></mml:mrow><mml:mrow><mml:mn>10</mml:mn><mml:mo>-</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mrow><mml:mtext>E</mml:mtext><mml:mtext>u</mml:mtext></mml:mrow><mml:mrow><mml:mi>x</mml:mi></mml:mrow></mml:msub></mml:math>(PO 4 ) 6 (OH) 2...

This study proves that the new developed zinc-doped hydroxyapatite (ZnHAp) colloids by an adapted sol-gel method can be widely used in pharmaceutical, medical, and environmental industries. ZnHAp nanoparticles were stabilized aqueous solution, their colloidal dispersions have been characterized different techniques. Scanning Electron Microscopy (SEM) was to get information on morphology composition of investigated samples. Energy-dispersive X-ray spectroscopy (EDX) analysis confirmed...

Obtaining nanoscale materials has allowed for the miniaturization of components, which led to possibility achieving more efficient devices with faster functions and much lower costs. While hydroxyapatite [HAp, Ca10(PO4)6(OH)2] is considered most widely used material medical applications in orthopedics, dentistry, general surgery, magnesium (Mg) viewed as a promising biodegradable biocompatible implant material. Furthermore, Mg regarded strong candidate developing implants due its...

In this work, we report for the first time development and complex characterization of new bioceramics based on hydroxyapatite (HAp, Ca10(PO4)6(OH)2). On other hand, lyophilization process was used in research. The samples were obtained by a modified coprecipitation method dried (lyophilized (HApLF) lyophilized zinc-doped (5ZnHApLF)). Valuable information about HApLF 5ZnHApLF stability through nondestructive ultrasound measurements. X-ray diffraction (XRD) studies revealed phase effects...

The aim of this study was to provide information about the biological properties iron oxide nanoparticles (IO‐NPs) obtained in an aqueous suspension. IO‐NPs were characterized by transmission electron microscopy (TEM). Analysis hysteresis loops data at room temperature for magnetic sample indicated that superparamagnetic temperature. calculated saturation magnetization M s = 18.1 emu/g. antimicrobial activity PMC‐NPs tested against Gram‐negative ( Pseudomonas aeruginosa 1397, Escherichia...

The luminescent europium-doped hydroxyapatite (Eu:HAp, Ca 10− x Eu (PO 4 ) 6 (OH) 2 with<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mn>0</mml:mn><mml:mo>≤</mml:mo><mml:mi>x</mml:mi><mml:mo>≤</mml:mo><mml:mn>0.2</mml:mn></mml:math>nanocrystalline powders was synthesized by coprecipitation. structural, morphological, and textural properties were well characterized X-ray diffraction, scanning electron microscopy, transmission microscopy. vibrational studies performed Fourier...

The present work was focused on the synthesis and characterization of hydroxyapatite doped with low concentrations zinc (Zn:HAp) (0.01 &lt; xZn 0.05). incorporation Zn2+ ions in (HAp) structure achieved by co-precipitation method. physico-chemical properties samples were characterized X-ray Diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR), photoelectron spectroscopy (XPS), Scanning Electron Microscopy (SEM), zeta-potential, DLS N2-BET measurements. results obtained XRD FTIR...

Zinc- (Zn) doped hydroxyapatite (HAp) were prepared by sol-gel method. Zinc-doped (ZnHAp) and HAp analyzed X-ray diffraction (XRD) photoelectron spectroscopy (XPS). The Rietveld analysis revealed that the 7ZnHAp powders obtained method have a monophasic structure belonging to P63/m spatial group. results from ultrasound characterization of ZnHAp are also presented in this study. effect zinc concentration on properties deduced ultrasonic measurements studied case significant (xZn = 0.07)....

This study presents, for the first-time, results of a on hydrodynamic diameter essential oils (EOs) basil and lavender in water, solutions EOs (B) (L) hydroxyapatite (HAp). The possible influence size nanoparticles was analyzed by Scanning Electron Microscopy (SEM). We also investigated vitro antimicrobial activity plant respectively, against Gram-positive bacteria (methicillin-resistant Staphylococcus aureus1144 (MRSA 1144) S. aureus 1426) Gram-negative (Escherichia coli ATCC 25922...

Samarium doped hydroxyapatite (Sm:HAp), (PO 4 ) 6 (OH) 2 (HAp), bionanoparticles with different x Sm have been successfully synthesized by coprecipitation method. Detailed characterization of samarium nanoparticles (Sm:HAp‐NPs) was carried out using X‐ray diffraction (XRD), scanning electron microscopy (SEM), transmission (TEM), and Fourier transform infrared spectroscopy (FTIR). The biocompatibility assessed cell viability. antibacterial activity the Sm:HAp‐NPs tested against Gram‐negative...

The aim of the current research work was to study physicochemical and biological properties synthesized zinc doped hydroxyapatite (ZnHAp) nanoparticles with Zn concentrations<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:msub><mml:mrow><mml:mi>x</mml:mi></mml:mrow><mml:mrow><mml:mtext>Zn</mml:mtext></mml:mrow></mml:msub><mml:mo>=</mml:mo><mml:mn fontstyle="italic">0</mml:mn></mml:math>(HAp),<mml:math...

The present study is focused on the synthesis, characterization and antifungal evaluation of zinc-doped hydroxyapatite (Zn:HAp) coatings. Zn:HAp coatings were deposited a pure Si (Zn:HAp_Si) Ti (Zn:HAp_Ti) substrate by sol-gel dip coating method using nanogel. nature crystal phase was determined X-ray diffraction (XRD). crystalline prepared composite assigned to hexagonal in P63/m space group. colloidal properties resulting (xZn = 0.1) nanogel analyzed Dynamic Light Scattering (DLS) zeta...

This work reports on the influence of 5 MeV electron beam radiations morphological features and chemical structure magnesium-doped hydroxyapatite/chitosan composite coatings generated by magnetron sputtering technique. The exposure to ionizing radiation in a linear accelerator dedicated medical use has been performed controllable manner delivering up 50 Gy dose fractions 2 per 40 s. After irradiation with beams, surface layers became nano-size structured. partial detachment irradiated from...

In this paper, the stability of magnesium-doped hydroxyapatite/chitosan (MHC) suspension obtained with sol-gel approach was evaluated using nondestructive ultrasound measurements. The MHC coatings by spin-coating technique were characterized before and after immersion for 7 14 days, respectively, in Dulbecco’s modified eagle medium (DMEM) scanning electron microscopy, equipped an EDAX detector. Also, functional groups present on surface analyzed aid attenuated total reflection (ATR) Fourier...

The aim of this study was the evaluation nanoparticles (Ag:HAp‐NPs) for their antibacterial and antifungal activity. Resistance to antimicrobial agents by pathogenic bacteria has emerged in recent years as a major public health problem worldwide. In paper, we report comparison activity low concentrations silver‐doped hydroxyapatite nanoparticles. nanocrystalline powder synthesized at 100°C deionised water. as‐prepared Ag:Hap were characterized X‐ray diffraction (XRD), transmission electron...

The aim of this study was to evaluate the biological properties iron oxide nanoparticles (IO‐NPs) obtained in aqueous suspension. were characterized by scanning electron microscopy (SEM) and transmission (TEM). biocompatibility demonstrated vitro quantification HeLa cells viability using propidium iodide (PI) fluorescein diacetate (FdA) MTT colorimetric assay. toxicity small size also evaluated means histological examination on male Brown Norway rats after intraperitoneal injection. At...

In this work, the preparation and characterization of silver doped hydroxyapatite thin films were reported their antimicrobial activity was characterized. Silver (Ag:HAp) coatings substrate prepared on commercially pure Si disks by sol-gel method. The characterized various techniques such as Scanning electron microscopy (SEM) with energy Dispersive X-ray attachment (X-EDS), Fourier transform infrared spectroscopy (FT-IR), glow discharge optical emission (GDOES). These have permitted...

The present work reports a simple coprecipitation adapted method for the synthesis of stable Ce substituted to Ca hydroxyapatite (HAp) nanoparticles. structural and morphological properties doped (Ce:HAp) were characterized by X-ray diffraction (XRD), Transmission Electron Microscopy (TEM), Scanning (SEM) Energy Dispersive analysis (EDAX). optical also investigated using Fourier Transform Infrared (FTIR) spectroscopy, FT Raman spectroscopy photoluminescence analysis. results XRD studies...

Contamination of water with heavy metals such as lead is a major worldwide problem because they affect the physiological functions living organisms, cause cancer, and damage immune system. Hydroxyapatite, (Ca5(PO4)3OH) considered one most effective materials for removing from contaminated water. The hydroxyapatite nanopowders (N-HAp) obtained by co-precipitation method were used in this research to determine effectiveness ions solutions. In study, we have investigated structure morphology...