Influence of surfactant concentration on nanohydroxyapatite growth

Gopi, D.; Indira, J.; Nithiya, S.; Kavitha, L.; Mudali, U. Kamachi; Kanimozhi, K.

doi:10.1007/s12034-013-0540-6

Cited by 26 publications

(20 citation statements)

References 41 publications

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“…In this method, K 2 HPO 4 .3H 2 O (0.024 M) and Ca(NO 3 ) 2 .4H 2 O (0.04 M) were dissolved in double distilled water to prepare the precursor solutions [82]. Initially, a 50 mL of 0.024 M K 2 HPO 4 .3H 2 O solution with different concentrations (0.0012 M-0.24 M) of cetyltrimethylammonium bromide (CTAB) was prepared and stirred constantly at 50 C for 30 min to achieve cooperative interaction and hence to accomplish the self-assembling process.…”

Section: Microwave Irradiation Methodsmentioning

confidence: 99%

“…To this, 50 mL of Ca(NO 3 ) 2 .4H 2 O (0.04 M) was gradually added and thoroughly mixed under magnetic stirring by maintaining the pH at 9 with the addition of NH 3 . The Mechanism for the formation of n-HAP spheres, rods, and fibers by surfactant-assisted microwave irradiation method [82] Handbook…”

Section: Microwave Irradiation Methodsmentioning

confidence: 99%

“…Microwave irradiation is an efficient method to solve this problem, which can provide rapid, facile, and convenient synthesis procedures for the conversion of HAP. Hence, Gopi et al [82] employed microwave heating instead of conventional heating. The n-HAP particles with different growth modifications were succeeded through a quick hydrothermal technique using CTAB as a surfactant.…”

Section: The Influence Of Surfactant Concentration On N-hap Growthmentioning

confidence: 99%

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Synthesis of Pure and Substituted Hydroxyapatite Nanoparticles by Cost Effective Facile Methods

Gopi¹,

Kavitha²,

Rajeswari³

2015

Handbook of Nanoparticles

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Bioceramics are the materials which can enhance the quality and longevity of human life. Hydroxyapatite (HAP) is a readily considered bioceramic material for artificial bone substitution in biomedical field due to its compositional resemblance to the bone mineral and very good biocompatiblity. Recently, HAP has attracted significant interest in drug delivery and bone tissue engineering applications. The human cortical bone consists of biological HAP which is found within collagen as nanodimensional crystalline aggregates. There has been enormous effort in developing bioactive synthetic ceramics that could closely mimic the fine and complex structure of human bone. Though HAP is highly biocompatible and bioactive, it possesses poor mechanical properties. In order to overcome this drawback, attempts are made toward the synthesis of mineralized HAP. Several methodologies have been investigated and developed for the synthesis of pure and substituted HAP. Modern research deals with novel HAP nanostructure formulations with properties closer to those of living bone, aiming at improved and more effective biomedical applications. This chapter presents the facile and cost-effective synthesis methods of pure and substituted HAP nanoparticles such as sol-gel approach, hydrothermal techniques, etc., toward effective biomedical applications.

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Section: Microwave Irradiation Methodsmentioning

confidence: 99%

Section: Microwave Irradiation Methodsmentioning

confidence: 99%

Section: The Influence Of Surfactant Concentration On N-hap Growthmentioning

confidence: 99%

See 1 more Smart Citation

Synthesis of Pure and Substituted Hydroxyapatite Nanoparticles by Cost Effective Facile Methods

Gopi¹,

Kavitha²,

Rajeswari³

2015

Handbook of Nanoparticles

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“…The functional group of CTAB was supposed to bind to certain crystal faces or ions, so these ions could be incorporated to the existing nuclei at a steady rate and final shape of the HAP could be well controlled. 26 27 In this process, the HAP flowers can be obtained from the solution based on the dissolution of chelates. As for the TSC added precursors, the Ca 2+ -citrate complexes were well dispersed in the solution without precipitation, which made the crystal growth process take place on the interface between the solids and liquids.…”

Section: Morphological Analysismentioning

confidence: 99%

Morphologically Controlled Synthesis of Hydroxyapatite and Its Bioactivity on Osteoblast Cells

Huang¹,

Hao²,

Xie³

et al. 2016

j nanosci nanotechnol

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Surface morphology has great influence on bioactivity of materials. It is important to understand biological responses of materials via structured surface design, which is essential for development of bioactive bone repair materials. Herein, different morphologies of hydroxyapatite were obtained by soft templates in a hydrothermal process. The morphology of the hydroxyapatite was modified from nanorods to flake-like and dandelion-like shapes by using cetyltrimethyl ammonium bromide, ammonium tartrate and trisodium citrate, respectively. After characterized these obtained materials, cell proliferation, adhesion and staining experiments were then carried out to evaluate the biocompatibility of the obtained materials. As a result, the rod-like shaped hydroxyapatite showed the best cellular biocompatibility and cell proliferation. Possible reaction mechanisms between the cells and materials were also proposed in this study.

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“…In the present work, an unique version of nanosized hydroxyapatite were synthesized by adopting less expensive host materials which helps for bulk preparation of hydroxyapatite. An attempt has been made to prepare pure and triethanolamine capped hydroxyapatite nanoparticles by microwave irradiation [1,7]. The effect of triethanolamine capping on hydroxyapatite plays a vital role in structural, morphological and composition of hydroxyapatite nanoparticles were also investigated [8].…”

mentioning

confidence: 99%

Synthesis and Characterization of Pure and Triethanolamine Capped Hydroxyapatite Nanoparticles and its Antimicrobial and Cytotoxic Activities

Kalaiselvi¹,

Mathammal²

2018

Asian J. Chem.

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Hydroxyapatite [Ca10(PO4)6(OH)2)] is a bioactive biomaterial, equivalent to mineral phase in bone and widely used due to its biocompatible property [1]. Nano-hydroxyapatite is particularly applied in DNA and drug delivery for cells. To maintain structure, control of size, composition should be concentrated during synthesis of nanoscale materials. Porous structured hydroxyapatite improves the drug loading capacity, calcium deficient product enhances restorability in cells and bodies are the basic identity of the material [2]. Hydroxyapatite plays a vital role in dentistry as tooth enamel and orthopedics as bone mineral. It is biocompatible, bioactive, non-toxic, osteoconductive and non-inflammatory [3]. It belongs to apatite family and widely applied in repair, fill, expand and reconstruct the damaged tissue. It forms good chemical bond with hard host tissue, hence used in medical field as implants, as coating during prostheses, bone filling material. Narrow structured biomaterials are extensively applied in all rooms of medicine. Hydroxyapatite with morphologically controlled structures is preferred in the medical field as biosensors, photocatalysts, drug delivery and pollution control agents [4].

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Influence of surfactant concentration on nanohydroxyapatite growth

Cited by 26 publications

References 41 publications

Synthesis of Pure and Substituted Hydroxyapatite Nanoparticles by Cost Effective Facile Methods

Synthesis of Pure and Substituted Hydroxyapatite Nanoparticles by Cost Effective Facile Methods

Morphologically Controlled Synthesis of Hydroxyapatite and Its Bioactivity on Osteoblast Cells

Synthesis and Characterization of Pure and Triethanolamine Capped Hydroxyapatite Nanoparticles and its Antimicrobial and Cytotoxic Activities

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