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Tang S, Shen Y, Jiang L, Zhang Y. Surface Modification of Nano-Hydroxyapatite/Polymer Composite for Bone Tissue Repair Applications: A Review. Polymers (Basel) 2024; 16:1263. [PMID: 38732732 PMCID: PMC11085102 DOI: 10.3390/polym16091263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Revised: 03/19/2024] [Accepted: 04/18/2024] [Indexed: 05/13/2024] Open
Abstract
Nano-hydroxyapatite (n-HA) is the main inorganic component of natural bone, which has been widely used as a reinforcing filler for polymers in bone materials, and it can promote cell adhesion, proliferation, and differentiation. It can also produce interactions between cells and material surfaces through selective protein adsorption and has therefore always been a research hotspot in orthopedic materials. However, n-HA nano-particles are inherently easy to agglomerate and difficult to disperse evenly in the polymer. In addition, there are differences in trace elements between n-HA nano-particles and biological apatite, so the biological activity needs to be improved, and the slow degradation in vivo, which has seriously hindered the application of n-HA in bone fields, is unacceptable. Therefore, the modification of n-HA has been extensively reported in the literature. This article reviewed the physical modification and various chemical modification methods of n-HA in recent years, as well as their modification effects. In particular, various chemical modification methods and their modification effects were reviewed in detail. Finally, a summary and suggestions for the modification of n-HA were proposed, which would provide significant reference for achieving high-performance n-HA in biomedical applications.
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Affiliation(s)
- Shuo Tang
- National & Local Joint Engineering Laboratory for New Petro-Chemical Materials and Fine Utilization of Resources, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
- Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research (Ministry of Education, China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
- Key Laboratory of Light Energy Conversion Materials of Hunan Province College, Hunan Normal University, Changsha 410081, China
| | - Yifei Shen
- National & Local Joint Engineering Laboratory for New Petro-Chemical Materials and Fine Utilization of Resources, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
- Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research (Ministry of Education, China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
- Key Laboratory of Light Energy Conversion Materials of Hunan Province College, Hunan Normal University, Changsha 410081, China
| | - Liuyun Jiang
- National & Local Joint Engineering Laboratory for New Petro-Chemical Materials and Fine Utilization of Resources, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
- Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research (Ministry of Education, China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
- Key Laboratory of Light Energy Conversion Materials of Hunan Province College, Hunan Normal University, Changsha 410081, China
| | - Yan Zhang
- National & Local Joint Engineering Laboratory for New Petro-Chemical Materials and Fine Utilization of Resources, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
- Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research (Ministry of Education, China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
- Key Laboratory of Light Energy Conversion Materials of Hunan Province College, Hunan Normal University, Changsha 410081, China
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2
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Mansoor S, Adeyemi SA, Kondiah PPD, Choonara YE. A Closed Loop Stimuli-Responsive Concanavalin A-Loaded Chitosan-Pluronic Hydrogel for Glucose-Responsive Delivery of Short-Acting Insulin Prototyped in RIN-5F Pancreatic Cells. Biomedicines 2023; 11:2545. [PMID: 37760986 PMCID: PMC10526345 DOI: 10.3390/biomedicines11092545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Revised: 09/12/2023] [Accepted: 09/13/2023] [Indexed: 09/29/2023] Open
Abstract
The optimal treatment of diabetes (in particular, type 1 diabetes-T1D) remains a challenge. Closed-loop systems (implants/inserts) provide significant advantages for glucose responsivity and providing real-time sustained release of rapid-acting insulin. Concanavalin A (ConA), a glucose affinity agent, has been used to design closed-loop insulin delivery systems but not without significant risk of leakage of ConA from the matrices and poor mechanical strength of the hydrogels impacting longevity and control of insulin release. Therefore, this work focused on employing a thermoresponsive co-forming matrix between Pluronic F-127 (PL) and structurally robust chitosan (CHT) via EDC/NHS coupling (i.e., covalent linkage of -NH2 from CHT and ConA to the -COOH of PL). The system was characterized for its chemical structure stability and integrity (FTIR, XRD and TGA), injectability, rheological parameters and hydrogel morphology (Texture Analysis, Elastosens TM Bio2 and SEM). The prepared hydrogels demonstrated shear-thinning for injectability with a maximum force of 4.9 ± 8.3 N in a 26G needle with sol-gel transitioning from 25 to 38 °C. The apparent yield stress value of the hydrogel was determined to be 67.47 Pa. The insulin loading efficiency within the hydrogel matrix was calculated to be 46.8%. Insulin release studies revealed glucose responsiveness in simulated glycemic media (4 and 10 mg/mL) over 7 days (97%) (305 nm via fluorescence spectrophotometry). The MTT studies were performed over 72 h on RIN-5F pancreatic cells with viability results >80%. Results revealed that the thermoresponsive hydrogel is a promising alternative to current closed-loop insulin delivery systems.
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Affiliation(s)
| | | | | | - Yahya E. Choonara
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Science, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg 2093, South Africa; (S.M.); (S.A.A.); (P.P.D.K.)
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3
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Hydrothermal Synthesis and In Vivo Fluorescent Bioimaging Application of Eu3+/Gd3+ Co-Doped Fluoroapatite Nanocrystals. J Funct Biomater 2022; 13:jfb13030108. [PMID: 35997446 PMCID: PMC9397069 DOI: 10.3390/jfb13030108] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 07/24/2022] [Accepted: 07/25/2022] [Indexed: 12/10/2022] Open
Abstract
In this study, Eu3+/Gd3+ co-doped fluoroapatitååe (Eu/Gd:FAP) nanocrystals were synthesized by the hydrothermal method as a fluorescent bioimaging agent. The phase composition, morphology, fluorescence, and biosafety of the resulting samples were characterized. Moreover, the in vivo fluorescent bioimaging application of Eu/Gd:FAP nanocrystals was evaluated in mice with subcutaneously transplanted tumors. The results showed that the Eu/Gd:FAP nanocrystals were short rod-like particles with a size of 59.27 ± 13.34 nm × 18.69 ± 3.32 nm. With an increasing F substitution content, the Eu/Gd:FAP nanocrystals displayed a decreased size and enhanced fluorescence emission. Eu/Gd:FAP nanocrystals did not show hemolysis and cytotoxicity, indicating good biocompatibility. In vivo fluorescent bioimaging study demonstrated that Eu/Gd:FAP nanocrystals could be used as a bioimaging agent and displayed stable fluorescence emitting in tumors, indicating an accumulation in tumor tissue due to the passive targeting ability. In addition, any adverse effects of Eu/Gd:FAP nanocrystals on major organs were not observed. This study shows that biocompatible rare earth co-doped FAP nanocrystals have the potential to be used as a bioimaging agent in vivo.
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4
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Mirhosseini MM, Haddadi-Asl V, Khordad R. Molecular dynamics simulation, synthesis and characterization of polyurethane block polymers containing PTHF/PCL mixture as a soft segment. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-021-03615-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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5
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Nugraha DH, Anggadiredja K, Rachmawati H. Mini-Review of Poloxamer as a Biocompatible Polymer for Advanced Drug Delivery. BRAZ J PHARM SCI 2022. [DOI: 10.1590/s2175-97902022e21125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
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6
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Oh JH, Kang RH, Kim J, Bang EK, Kim D. Thermally induced silane dehydrocoupling on porous silicon nanoparticles for ultra-long-acting drug release. NANOSCALE 2021; 13:15560-15568. [PMID: 34596178 DOI: 10.1039/d1nr03263a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Here, we report an ultra-long-acting drug release nano-formulation based on porous silicon nanoparticles (pSiNPs) that are prepared by thermally induced silane dehydrocoupling and lipid-coating. This robust formulation offers the ability to release an anticancer drug, for up to 2 weeks, in various biological environments; pH 7.4 buffer, cancer cells, and tumor xenograft model.
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Affiliation(s)
- Ji Hyeon Oh
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea.
| | - Rae Hyung Kang
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea.
| | - Jaehoon Kim
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea.
| | - Eun-Kyoung Bang
- Creative Research Center for Brain Science, Brain Science Institute, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
- KHU-KIST Department of Converging Science and Technology, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Dokyoung Kim
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea.
- KHU-KIST Department of Converging Science and Technology, Kyung Hee University, Seoul 02447, Republic of Korea
- Department of Anatomy and Neurobiology, College of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
- Center for Converging Humanities, Kyung Hee University, Seoul 02447, Republic of Korea
- Medical Research Center for Bioreaction to Reactive Oxygen Species and Biomedical Science Institute, Kyung Hee University, Seoul 02447, Republic of Korea
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Lipophilic effect of various pluronic-grafted gelatin copolymers on the quercetin delivery efficiency in these self-assembly nanogels. JOURNAL OF POLYMER RESEARCH 2020. [DOI: 10.1007/s10965-020-02216-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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Fathi HA, Abdelkader A, AbdelKarim MS, Abdelaziz AA, El-Mokhtar MA, Allam A, Fetih G, El Badry M, Elsabahy M. Electrospun vancomycin-loaded nanofibers for management of methicillin-resistant Staphylococcus aureus-induced skin infections. Int J Pharm 2020; 586:119620. [PMID: 32652179 DOI: 10.1016/j.ijpharm.2020.119620] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 07/01/2020] [Accepted: 07/02/2020] [Indexed: 12/12/2022]
Abstract
Skin damage exposes the underlying layers to bacterial invasion, leading to skin and soft tissue infections. Several pathogens have developed resistance against conventional topical antimicrobial treatments and rendered them less effective. Recently, several nanomedical strategies have emerged as a potential approach to improve therapeutic outcomes of treating bacterial skin infections. In the current study, nanofibers were utilized for topical delivery of the antimicrobial drug vancomycin and evaluated as a promising tool for treatment of topical skin infections. Vancomycin-loaded nanofibers were prepared via electrospinning technique, and vancomycin-loaded nanofibers of the optimal composition exhibited nanosized uniform smooth fibers (ca. 200 nm diameter), high drug entrapment efficiency and sustained drug release patterns over 48 h. In vitro cytotoxicity assays, using several cell lines, revealed the biocompatibility of the drug-loaded nanofibers. In vitro antibacterial studies showed sustained antibacterial activity of the vancomycin-loaded nanofibers against methicillin-resistant Staphylococcus aureus (MRSA), in comparison to the free drug. The nanofibers were then tested in animal model of superficial MRSA skin infection and demonstrated a superior antibacterial efficiency, as compared to animals treated with the free vancomycin solution. Hence, nanofibers might provide an efficient nanodevice to overcome MRSA-induced skin infections and a promising topical delivery vehicle for antimicrobial drugs.
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Affiliation(s)
- Heba A Fathi
- Assiut International Center of Nanomedicine, Al-Rajhy Liver Hospital, Assiut University, Assiut 71515, Egypt
| | - Ayat Abdelkader
- Assiut International Center of Nanomedicine, Al-Rajhy Liver Hospital, Assiut University, Assiut 71515, Egypt
| | - Mahmoud S AbdelKarim
- Department of Mechanical Engineering, Faculty of Engineering, Assiut University, Assiut 71515, Egypt
| | - Ayman A Abdelaziz
- Department of Physics, Faculty of Science, Assiut University, Assiut 71515, Egypt
| | - Mohamed A El-Mokhtar
- Department of Microbiology, Faculty of Medicine, Assiut University, Assiut 71515, Egypt
| | - Ayat Allam
- Department of Pharmaceutics, Faculty of Pharmacy, Assiut University, Assiut 71515, Egypt
| | - Gihan Fetih
- Assiut International Center of Nanomedicine, Al-Rajhy Liver Hospital, Assiut University, Assiut 71515, Egypt; Department of Pharmaceutics, Faculty of Pharmacy, Assiut University, Assiut 71515, Egypt
| | - Mahmoud El Badry
- Assiut International Center of Nanomedicine, Al-Rajhy Liver Hospital, Assiut University, Assiut 71515, Egypt; Department of Pharmaceutics, Faculty of Pharmacy, Assiut University, Assiut 71515, Egypt
| | - Mahmoud Elsabahy
- Assiut International Center of Nanomedicine, Al-Rajhy Liver Hospital, Assiut University, Assiut 71515, Egypt; Department of Pharmaceutics, Faculty of Pharmacy, Assiut University, Assiut 71515, Egypt; Science Academy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt.
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9
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Goreke MD, Alakent B, Soyer-Uzun S. Comparative Study on Factors Governing Binding Mechanisms in Polylactic Acid-Hydroxyapatite and Polyethylene-Hydroxyapatite Systems via Molecular Dynamics Simulations. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:1125-1137. [PMID: 31935106 DOI: 10.1021/acs.langmuir.9b03480] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Binding mechanisms in polylactic acid-hydroxyapatite (PLA-HAp) and polyethylene-hydroxyapatite (PE-HAp) systems are comparatively elucidated on HAp (110) surfaces in unprecedented detail using molecular dynamics simulations conducted with the systematically varying number of monomers (N) between 10 and 400 at 310 K (NVT). Although PE seems to gradually cover the HAp surface more effectively compared to PLA, evident from the corresponding radius of gyration and occupied area values, the interface density and total binding energy in PLA-HAp systems is higher compared to those of PE-HAp systems. It is shown that a linear relationship between the binding energy and the surface area occupied by the monomer exists, consistent with our finding that binding energy converges to a limiting value with respect to monomer size on a constant surface area. The major constituent of the total binding energy is, rather surprisingly, shown to be the energy change in the bulk structure in HAp upon interaction; the next most important contributor is found to be the energy corresponding to surface-polymer interactions. The interplay between mainly these two contributors, acting in different fashions in two systems investigated here, seems to control the total binding energies. Increasing monomer size N initially results in enhanced densification of the interface in the HAp-PLA system up until N ≈ 200 with the positioning of mainly ═O units of PLA onto the HAp surface, consistent with the increasing Ca-O coordination numbers. Further increases in PLA size (N > 200) result in decreasing intensities of the peaks in the concentration profile consistent with the decreasing surface-polymer interaction energies while increased stabilization of the energy of the bulk is pronounced in this region. On the other hand, increasing N leads to a constantly increasing concentration at the interface in PE-HAp systems; -H atoms of the PE chain are positioned closer to the HAp surface than are -C atoms. These changes are coupled with increasing surface-polymer interaction energies in PE-HAp complexes, while slight destabilization in the energy of the bulk is observed for N > 100. A detailed examination of binding mechanisms in these technologically important systems as presented here is essential in material discovery; this valuable information, that will not be available from experiments can be attained through molecular simulations. The current study, to the best of our knowledge, comprises one of the first steps in achieving this goal for PLA/PE-HAp systems.
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Affiliation(s)
- Melike Dilara Goreke
- Department of Chemical Engineering , Bogazici University , Bebek , 34342 Istanbul , Turkey
| | - Burak Alakent
- Department of Chemical Engineering , Bogazici University , Bebek , 34342 Istanbul , Turkey
| | - Sezen Soyer-Uzun
- Department of Chemical Engineering , Bogazici University , Bebek , 34342 Istanbul , Turkey
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10
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Devabharathi N, Mondal SK, Dasgupta S. Inkjet-printed co-continuous mesoporous oxides for high-current power transistors. NANOSCALE 2019; 11:13731-13740. [PMID: 31310254 DOI: 10.1039/c9nr04876f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Limited printing resolution has always been a major hindrance for printed electronics; irrespective of the high mobility demonstrated by solution-processed semiconductors, long-channel printed field-effect transistors (FETs) have demonstrated low On-state conductance and switching speeds. Although various concepts have been proposed to obtain narrow-channel printed FETs, the actual demonstration of high On-currents/channel conductance has been rare. In this context, herein, we report a general recipe to print co-continuous mesoporous structures with high surface-to-volume ratios for the first time for a large range of metallic and semiconducting oxides, both n- and p-type; next, by exploiting an innovative transistor architecture by printing an additional silver layer on top of the printed porous channel, we reduced the necessary length of electronic transport through the semiconductor material to a short vertical distance of the order of a few tens of nanometres. Basically, when a composite solid polymer electrolyte was used as a gate insulator, we essentially obtained channel length-independent transport with the unprecedented On-current of 67 μA μm-1 and transconductance of 143 μS μm-1 at the supply voltage of only 0.5 V. Among others, one may foresee the usage of these devices in high power switches and for drawing power from batteries in all-printed electronic circuits.
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Affiliation(s)
- Nehru Devabharathi
- Department of Materials Engineering, Indian Institute of Science (IISc), C V Raman Avenue, Bangalore 560012, Karnataka, India.
| | - Sandeep Kumar Mondal
- Department of Materials Engineering, Indian Institute of Science (IISc), C V Raman Avenue, Bangalore 560012, Karnataka, India.
| | - Subho Dasgupta
- Department of Materials Engineering, Indian Institute of Science (IISc), C V Raman Avenue, Bangalore 560012, Karnataka, India.
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11
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Nguyen DT, Dinh VT, Dang LH, Nguyen DN, Giang BL, Nguyen CT, Nguyen TBT, Thu LV, Tran NQ. Dual Interactions of Amphiphilic Gelatin Copolymer and Nanocurcumin Improving the Delivery Efficiency of the Nanogels. Polymers (Basel) 2019; 11:E814. [PMID: 31067644 PMCID: PMC6571557 DOI: 10.3390/polym11050814] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Accepted: 04/25/2019] [Indexed: 01/14/2023] Open
Abstract
Herein, a new process to manufacture multicore micelles nanoparticles reinforced with co-assembly via hydrophobic interaction and electrostatic interaction under the help of ultrasonication was developed. The precise co-assembly between negative/hydrophobic drug and positive charged amphiphilic copolymer based pluronic platform allows the formation of complex micelles structures as the multicore motif with predefined functions. In this study, curcumin was selected as a drug model while positively charged copolymer was based on a pluronic-conjugated gelatin with different hydrophobicity length of Pluronic F87 and Pluronic F127. Under impact of dual hydrophobic and electrostatic interactions, the nCur-encapsulated core-shell micelles formed ranging from 40 nm to 70 nm and 40-100 nm by transmission electron microscopy (TEM) and Dynamic Light Scattering (DLS), respectively. It is found that the structures emerged depended on the relative lengths of the hydrophobic blocks in pluronic. Regarding g2(τ) behavior from DLS measurement, the nanogels showed a high stability in spherical form. Surprisingly, the release profiles showed a sustainable behavior of Cur from this system for drug delivery approaches. In vitro study exhibited that nCur-encapsulated complex micelles increased inhibitory activity against cancer cells growth with IC50 is 4.02 ± 0.11 mg/L (10.92 ± 0.3 µM) which is higher than of free curcumin at 9.40 ± 0.17 mg/L (25.54 ± 0.18 µM). The results obtained can provide the new method to generate the hierarchical assembly of copolymers with incorporated loading with the same property.
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Affiliation(s)
- Dinh Trung Nguyen
- Institute of Research and Development, Duy Tan University, Da Nang City 550000, Vietnam.
- Institute of Applied Materials Science, VAST, TL29, ThanhLoc Ward, Dist. 12, Ho Chi Minh City 700000, Vietnam.
| | - Van Thoai Dinh
- Institute of Applied Materials Science, VAST, TL29, ThanhLoc Ward, Dist. 12, Ho Chi Minh City 700000, Vietnam.
- Graduate University of Science and Technology, VAST, TL29, Thanh Loc Ward, Dist. 12, Ho Chi Minh City 700000, Vietnam.
| | - Le Hang Dang
- Institute of Applied Materials Science, VAST, TL29, ThanhLoc Ward, Dist. 12, Ho Chi Minh City 700000, Vietnam.
- School of Biotechnology, International University, Vietnam National University, Ho Chi Minh City 700000, Vietnam.
| | - Dang Nam Nguyen
- Institute of Research and Development, Duy Tan University, Da Nang City 550000, Vietnam.
| | - Bach Long Giang
- NTT Hi-Tech Institute, Nguyen Tat Thanh University, 300A Nguyen Tat Thanh, Ward 13, District 4, Ho Chi Minh City 700000, VietNam.
| | - Cong Truc Nguyen
- Institute of Applied Materials Science, VAST, TL29, ThanhLoc Ward, Dist. 12, Ho Chi Minh City 700000, Vietnam.
| | - Thi Bich Tram Nguyen
- Department of Natural Science, Thu Dau Mot University, Thu Dau Mot City 590000, Vietnam.
| | - Le Van Thu
- Institute of Applied Materials Science, VAST, TL29, ThanhLoc Ward, Dist. 12, Ho Chi Minh City 700000, Vietnam.
- School of Biotechnology, International University, Vietnam National University, Ho Chi Minh City 700000, Vietnam.
| | - Ngoc Quyen Tran
- Institute of Research and Development, Duy Tan University, Da Nang City 550000, Vietnam.
- Institute of Applied Materials Science, VAST, TL29, ThanhLoc Ward, Dist. 12, Ho Chi Minh City 700000, Vietnam.
- School of Biotechnology, International University, Vietnam National University, Ho Chi Minh City 700000, Vietnam.
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Eggshell Based Nano-Engineered Hydroxyapatite and Poly(lactic) Acid Electrospun Fibers as Potential Tissue Scaffold. Int J Biomater 2019; 2019:6762575. [PMID: 31186650 PMCID: PMC6521557 DOI: 10.1155/2019/6762575] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Accepted: 04/01/2019] [Indexed: 02/04/2023] Open
Abstract
Nanocomposite electrospun fibers were fabricated from poly(lactic) acid (PLA) and needle-like hydroxyapatite nanoparticles made from eggshells. The X-ray diffraction spectrum and the scanning electron micrograph showed that the hydroxyapatite particles are highly crystalline and are needle-liked in shape with diameters between 10 and 20 nm and lengths ranging from 100 to 200 nm. The microstructural, thermal, and mechanical properties of the electrospun fibers were characterized using scanning electron microscope (SEM), thermogravimetric analysis (TGA), dynamic scanning calorimetry (DSC), and tensile testing techniques. The SEM study showed that both pristine and PLA/EnHA fibers surfaces exhibited numerous pores and rough edges suitable for cell attachment. The presence of the rod-liked EnHA particles was found to increase thermal and mechanical properties of PLA fibers relative to pristine PLA fibers. The confocal optical images showed that osteoblast cells were found to attach on dense pristine PLA and PLA/HA-10 wt% fibers after 48 hours of incubation. The stained confocal optical images indicated the secretion of cytoplasmic extension linking adjoining nuclei after 96 hours of incubation. These findings showed that eggshell based nanohydroxyapatite and poly(lactic acid) fibers could be potential scaffold for tissue regeneration.
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13
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Ooi CH, Ling YP, Abdullah WZ, Mustafa AZ, Pung SY, Yeoh FY. Physicochemical evaluation and in vitro hemocompatibility study on nanoporous hydroxyapatite. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2019; 30:44. [PMID: 30929088 DOI: 10.1007/s10856-019-6247-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Accepted: 03/19/2019] [Indexed: 05/10/2023]
Abstract
Hydroxyapatite is an ideal biomaterial for bone tissue engineering due to its biocompatibility and hemocompatibility which have been widely studied by many researchers. The incorporation of nanoporosity into hydroxyapatite could transform the biomaterial into an effective adsorbent for uremic toxins removal especially in artificial kidney system. However, the effect of nanoporosity incorporation on the hemocompatibility of hydroxyapatite has yet to be answered. In this study, nanoporous hydroxyapatite was synthesized using hydrothermal technique and its hemocompatibility was determined. Non-ionic surfactants were used as soft templates to create porosity in the hydroxyapatite. The presence of pure hydroxyapatite phase in the synthesized samples is validated by X-ray diffraction analysis and Fourier transform infrared spectroscopy. The TEM images show that the hydroxyapatite formed rod-like particles with the length of 21-90 nm and diameter of 11-70 nm. The hydroxyapatite samples exhibit BET surface area of 33-45 m2 g-1 and pore volume of 0.35-0.44 cm3 g-1. The hemocompatibility of the hydroxyapatite was determined via hemolysis test, platelet adhesion, platelet activation and blood clotting time measurement. The nanoporous hydroxyapatite shows less than 5% hemolysis, suggesting that the sample is highly hemocompatible. There is no activation and morphological change observed on the platelets adhered onto the hydroxyapatite. The blood clotting time demonstrates that the blood incubated with the hydroxyapatite did not coagulate. This study summarizes that the synthesized nanoporous hydroxyapatite is a highly hemocompatible biomaterial and could potentially be utilized in biomedical applications.
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Affiliation(s)
- Chee-Heong Ooi
- School of Materials and Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, 14300, Nibong Tebal, Penang, Malaysia
| | - Yew Pei Ling
- School of Materials and Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, 14300, Nibong Tebal, Penang, Malaysia
| | - Wan Zaidah Abdullah
- Department of Haematology, School of Medical Sciences, Universiti Sains Malaysia, 16150, Kubang Kerian, Kelantan, Malaysia
| | - Ahmad Zakwan Mustafa
- Department of Haematology, School of Medical Sciences, Universiti Sains Malaysia, 16150, Kubang Kerian, Kelantan, Malaysia
| | - Swee-Yong Pung
- School of Materials and Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, 14300, Nibong Tebal, Penang, Malaysia
| | - Fei-Yee Yeoh
- School of Materials and Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, 14300, Nibong Tebal, Penang, Malaysia.
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14
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Sahebi Jouibari I, Haddadi-Asl V, Mirhosseini MM. A novel investigation on micro-phase separation of thermoplastic polyurethanes: simulation, theoretical, and experimental approaches. IRANIAN POLYMER JOURNAL 2019. [DOI: 10.1007/s13726-019-00695-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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15
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Sahebi Jouibari I, Haddadi-Asl V, Mirhosseini MM. Formulation of micro-phase separation kinetics of polyurethane nanocomposites. POLYM ADVAN TECHNOL 2018. [DOI: 10.1002/pat.4410] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Iman Sahebi Jouibari
- Department of Polymer Engineering and Color Technology; Amirkabir University of Technology (Tehran Polytechnic); Tehran Iran
| | - Vahid Haddadi-Asl
- Department of Polymer Engineering and Color Technology; Amirkabir University of Technology (Tehran Polytechnic); Tehran Iran
| | - Mohammad Masoud Mirhosseini
- Department of Polymer Engineering and Color Technology; Amirkabir University of Technology (Tehran Polytechnic); Tehran Iran
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Molecular dynamics simulation of functionalized graphene surface for high efficient loading of doxorubicin. J Mol Struct 2017. [DOI: 10.1016/j.molstruc.2017.04.007] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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