Removal of Carmine from Aqueous Solution by Carbonated Hydroxyapatite Nanorods

Liu, Guanxiong; Xue, Caibao; Zhu, Peizhi

doi:10.3390/nano7060137

Cited by 14 publications

(5 citation statements)

References 26 publications

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“…The results were shown in Fig. 3 d. Peaks seen in the XRD patterns of HA modified PLA membranes and HA powder can be assigned to the (002), (102), (210), (211), and (310) crystallographic planes of hydroxyapatite 76 . Thereby, the XRD analysis provided valuable insight, underscoring the clear evidence of hydroxyapatite-associated peaks in both the HA powder and the HA-coated PLA membranes.…”

Section: Resultsmentioning

confidence: 88%

Effects of bone surface topography and chemistry on macrophage polarization

Özcolak,

Erenay,

Odabaş

et al. 2024

Sci Rep

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Surface structure plays a crucial role in determining cell behavior on biomaterials, influencing cell adhesion, proliferation, differentiation, as well as immune cells and macrophage polarization. While grooves and ridges stimulate M2 polarization and pits and bumps promote M1 polarization, these structures do not accurately mimic the real bone surface. Consequently, the impact of mimicking bone surface topography on macrophage polarization remains unknown. Understanding the synergistic sequential roles of M1 and M2 macrophages in osteoimmunomodulation is crucial for effective bone tissue engineering. Thus, exploring the impact of bone surface microstructure mimicking biomaterials on macrophage polarization is critical. In this study, we aimed to sequentially activate M1 and M2 macrophages using Poly-l-Lactic acid (PLA) membranes with bone surface topographical features mimicked through the soft lithography technique. To mimic the bone surface topography, a bovine femur was used as a model surface, and the membranes were further modified with collagen type-I and hydroxyapatite to mimic the bone surface microenvironment. To determine the effect of these biomaterials on macrophage polarization, we conducted experimental analysis that contained estimating cytokine release profiles and characterizing cell morphology. Our results demonstrated the potential of the hydroxyapatite-deposited bone surface-mimicked PLA membranes to trigger sequential and synergistic M1 and M2 macrophage polarizations, suggesting their ability to achieve osteoimmunomodulatory macrophage polarization for bone tissue engineering applications. Although further experimental studies are required to completely investigate the osteoimmunomodulatory effects of these biomaterials, our results provide valuable insights into the potential advantages of biomaterials that mimic the complex microenvironment of bone surfaces.

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Section: Resultsmentioning

confidence: 88%

Effects of bone surface topography and chemistry on macrophage polarization

Özcolak,

Erenay,

Odabaş

et al. 2024

Sci Rep

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“…The obtained dye-removal effects were promising compared to the abilities of CFA and HAp. Using 1 g of HAp, the adsorption capacities for various dyes was characterized, including 29.5 mg of methylene blue [16], 49.1 mg of brilliant green [81], 85.51 mg of carmine [30], and 125 mg of reactive yellow [31]. This comparison is, naturally, an approximation due to the various properties of the dyes and different experimental conditions of the pH-dependent process.…”

Section: Cu(ii) and Rb Adsorption Equilibriummentioning

confidence: 99%

“…A review of the literature shows that these are very diverse materials, including chelating resins [21], low-cost waste-plant materials [22][23][24], nano-activated carbon [16], graphene oxide [2], nanocellulose/functionalized nanocellulose [25], clays and diatomaceous earth [26], fly ash [27], and zeolites [28]. Another group of highly effective dye-removing and heavymetal-removing [29][30][31] adsorbents [32][33][34] includes hydroxyapatites of natural and synthetic origin.…”

Section: Introductionmentioning

confidence: 99%

Characterization of the Physical, Chemical, and Adsorption Properties of Coal-Fly-Ash–Hydroxyapatite Composites

et al. 2021

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(1) Hydroxyapatite (Hap), which can be obtained by several methods, is known to be a good adsorbent. Coal fly ash (CFA) is a commonly reused byproduct also used in environmental applications as an adsorbent. We sought to answer the following question: Can CFA be included in the method of Hap wet synthesis to produce a composite capable of adsorbing both heavy metals and dyes? (2) High calcium lignite CFA from the thermal power plant in Bełchatów (Poland) was used as the base to prepare CFA–Hap composites. Four types designated CFA–Hap1–4 were synthesized via the wet method of in situ precipitation. The synthesis conditions differed in terms of the calcium reactants used, pH, and temperature. We also investigated the equilibrium adsorption of Cu(II) and rhodamine B (RB) on CFA–Hap1–4. The data were fitted using the Langmuir, Freundlich, and Redlich–Peterson models and validated using R2 and χ2/DoF. Surface changes in CFA–Hap2 following Cu(II) and RB adsorption were assessed using SEM, SE, and FT-IR analysis. (3) The obtained composites contained hydroxyapatite (Ca/P 1.67) and aluminosilicates. The mode of Cu(II) and RB adsorption could be explained by the Redlich–Peterson model. The CFA–Hap2 obtained using CFA, Ca(NO3)2, and (NH4)2HPO4 at RT and pH 11 exhibited the highest maximal adsorption capacity: 73.6 mg Cu/g and 87.0 mg RB/g. (4) The clear advantage of chemisorption over physisorption was indicated by the Cu(II)–CFA–Hap system. The RB molecules present in the form of uncharged lactone were favorably adsorbed even on strongly deprotonated CFA–Hap surfaces.

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“…Organic dyes are frequently utilized in industrial activities such as leather, paper, textile, wool, silk, plastics, cosmetics (hair coloring products), photo electrochemical cells, food technology, and pharmaceutical field 1,2 . In this respect, the problems of environmental contamination and health are principally affected by organic dyes 1,3 . Furthermore, they are primarily nondegradable toxic substances 4 .…”

Section: Introductionmentioning

confidence: 99%

“…1,2 In this respect, the problems of environmental contamination and health are principally affected by organic dyes. 1,3 Furthermore, they are primarily nondegradable toxic substances. 4 About 5% to 25% of the dyes applied to the tissues are not attached their releases in wastewater contaminate natural waters harming aquatic fauna and flora.…”

Section: Introductionmentioning

confidence: 99%

Application of natural hydroxyapatite in the treatment of polluted water: Utilization of dromedary bone as bioadsorbent

Ghedjemis

Ayeche

Kebaili

et al. 2022

Int J Applied Ceramic Tech

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In this study, the dromedary bone waste was valorized by the obtainment of hydroxyapatite (HAp) and its application to remove crystal violet (CV) dye from aqueous solution. Fourier transform infrared spectroscopy, X‐ray diffraction, elemental analysis X‐ray fluorescence spectrometer (XRF), particle size laser analysis, and the point of zero charge pH value (pHpzc) were realized to characterize the natural adsorbent. The capacity of HAp to adsorb CV was measured at different contact times, pH values, and initial dye concentrations. The results showed that the model that better described the experimental data of adsorption kinetics was the pseudo‐second‐order kinetic model (PSO). Freundlich model well fitted the sorption isotherms. A maximum sorption capacity of 266.66 mg/g of CV dye on natural HAp was obtained. Hence, dromedary bone treated might be valorized as a natural adsorbent for water treatment with low environmental risks.

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Removal of Carmine from Aqueous Solution by Carbonated Hydroxyapatite Nanorods

Cited by 14 publications

References 26 publications

Effects of bone surface topography and chemistry on macrophage polarization

Effects of bone surface topography and chemistry on macrophage polarization

Characterization of the Physical, Chemical, and Adsorption Properties of Coal-Fly-Ash–Hydroxyapatite Composites

Application of natural hydroxyapatite in the treatment of polluted water: Utilization of dromedary bone as bioadsorbent

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