4.6 Article

Apatite formation of bioactive glasses is enhanced by low additions of fluoride but delayed in the presence of serum proteins

Journal

MATERIALS LETTERS
Volume 153, Issue -, Pages 143-147

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2015.04.013

Keywords

Bioactive glass; Serum proteins; In vitro bioactivity; Fluorapatite; Cell culture medium

Funding

  1. QMUL International Science and Excellence Award

Ask authors/readers for more resources

Five bioactive glass compositions in the SiO2-P2O5-CaO-Na2O-CaF2 system (0-32 mol% CaF2) and Bioglass (R) 45S5 were evaluated for their apatite forming ability in serum-free and serum-containing cell culture media for up to seven days. While F- ions in low concentrations were found to enhance apatite formation, higher fluoride content caused formation of fluorite and calcite. The presence of serum proteins delayed apatite precipitation for all compositions, while Bioglass (R) 45S5, despite considerably higher phosphate content (2.6 vs. <= 1.1 mol% P2O5) and high concentrations of Ca2+ and PO43- in solution, formed only amorphous calcium phosphate. (C) 2015 Elsevier B.V. All rights reserved.

Authors

I am an author on this paper
Click your name to claim this paper and add it to your profile.

Reviews

Primary Rating

4.6
Not enough ratings

Secondary Ratings

Novelty
-
Significance
-
Scientific rigor
-
Rate this paper

Recommended

Article Materials Science, Ceramics

Fluorine loss determination in bioactive glasses by laser-induced breakdown spectroscopy (LIBS)

Araceli de Pablos-Martin, Altair T. Contreras Jaimes, Stefanie Wahl, Sylke Meyer, Delia S. Brauer

Summary: Fluoride quantification in bioactive glasses and glass-ceramics was studied using LIBS, showing higher P2O5 concentrations led to greater fluorine loss in the glass, likely due to additional mechanisms involving phosphorus species volatilization.

INTERNATIONAL JOURNAL OF APPLIED GLASS SCIENCE (2021)

Article Dentistry, Oral Surgery & Medicine

A modified glass ionomer cement to mediate dentine repair

Abeer Alaohali, Delia S. Brauer, Eileen Gentleman, Paul T. Sharpe

Summary: In this study, lithium-containing bioactive glass was created and used to modify GIC to promote tertiary dentine formation. The results showed that LithGlassGIC enhanced dentine regeneration and restored tooth structure by upregulating Wnt/β-catenin activity.

DENTAL MATERIALS (2021)

Review Engineering, Biomedical

Bone mineral organization at the mesoscale: A review of mineral ellipsoids in bone and at bone interfaces

Chiara Micheletti, Ariana Hurley, Aurelien Gourrier, Anders Palmquist, Tengteng Tang, Furqan A. Shah, Kathryn Grandfield

Summary: This article provides a new perspective on bone structure, highlighting the ubiquitous presence of mineral ellipsoids in bones and their importance in terms of toughness and strength.

ACTA BIOMATERIALIA (2022)

Article Dentistry, Oral Surgery & Medicine

The long-term impact of alveolar ridge preservation with xenograft bone mineral on peri-implant health after 5 years in function: A retrospective cohort study of 108 patients assessed clinically and radiologically

Shariel Sayardoust, Wilhelm Norstedt, Furqan A. Shah

Summary: The study evaluates the long-term impact of alveolar ridge preservation (ARP) on peri-implant health and its relationship with common risk indicators such as smoking and history of periodontitis. The findings suggest that peri-implant health can be maintained for at least 5 years in ARP(+) sites using deproteinized bovine bone mineral xenograft. Smoking is a major risk indicator for peri-implantitis, while the association between history of periodontitis and risk of peri-implantitis remains inconclusive.

CLINICAL AND EXPERIMENTAL DENTAL RESEARCH (2022)

Review Engineering, Biomedical

Complex geometry and integrated macro-porosity: Clinical applications of electron beam melting to fabricate bespoke bone-anchored implants

Anders Palmquist, Martina Jolic, Eduard Hryha, Furqan A. Shah

Summary: In the past decade, additive manufacturing technologies, particularly electron beam melting (EBM), have revolutionized the production of biomedical implants. EBM offers faster build rates and a high vacuum environment, making it advantageous for materials susceptible to oxidation and nitrogen pick-up. EBM manufactured implants have shown great potential in skeletal reconstruction, with anatomical mimickry and macro-porous architecture. The personalized design and diverse clinical applications of EBM in skeletal repair and prosthetic rehabilitation are discussed in this review.

ACTA BIOMATERIALIA (2023)

Article Engineering, Biomedical

Modelling the resonant frequency associated with the spatio-temporal evolution of the bone-dental implant interface

Sapir Gershov, Jing Xie, Furqan A. Shah, Keren Shemtov-Yona, Daniel Rittel

Summary: A novel numerical spatio-temporal model is developed to assess the interaction between the implant, surrounding bone, and evolving interface. The study shows that load transfer between the bone and implant is hindered until the interface develops into a solid continuous bone, regardless of the BIC.

ACTA BIOMATERIALIA (2022)

Review Multidisciplinary Sciences

The impact of medication on osseointegration and implant anchorage in bone determined using removal torque-A review

Martina Jolic, Sonali Sharma, Anders Palmquist, Furqan A. Shah

Summary: The success of metal implants in rehabilitation is due to osseointegration, the direct connection between living bone and the implant. Removal torque measurement can assess the extent of biomechanical anchorage between the implant and bone. Various pharmacological agents have been evaluated for their impact on osseointegration, with some substances showing positive effects on removal torque and others showing adverse effects. Factors such as bone quality play a role in the biomechanical anchorage of metal implants, and questions regarding drug metabolism, dosage, and treatment interruption remain unanswered.

HELIYON (2022)

Article Engineering, Biomedical

Bone without borders - Monetite-based calcium phosphate guides bone formation beyond the skeletal envelope

Furqan A. Shah, Martina Jolic, Chiara Micheletti, Omar Omar, Birgitta Norlindh, Lena Emanuelsson, Hakan Engqvist, Thomas Engstrand, Anders Palmquist, Peter Thomsen

Summary: Calcium phosphates (CaP) are important biomaterials for bone regeneration. This study demonstrates how a multi-component CaP formulation can guide bone formation beyond the normal physiological range. The study shows successful bone formation and remodeling in sheep models using this CaP formulation, and the presence of woven bone and vascularized lamellar bone in the pores of the CaP material.

BIOACTIVE MATERIALS (2023)

Article Endocrinology & Metabolism

Multimodal and Multiscale Characterization of the Bone-Bacteria Interface in a Case of Medication-Related Osteonecrosis of the Jaw

Chiara Micheletti, Liza-Anastasia DiCecco, Cecilia Larsson Wexell, Dakota M. Binkley, Anders Palmquist, Kathryn Grandfield, Furqan A. Shah

Summary: This study investigates the interface between necrotic bone and bacteria in medication-related osteonecrosis of the jaw (MRONJ) using a multimodal and multiscale characterization approach. The findings suggest that the bone-bacteria interface originates not only from uncontrolled mineralization but also from the direct action of bacteria degrading the bone matrix.

JBMR PLUS (2022)

Article Microscopy

The many facets of micropetrosis-Magnesium whitlockite deposition in bisphosphonate-exposed human alveolar bone with osteolytic metastasis

Furqan A. Shah

Summary: The lacuno-canalicular space of apoptotic osteocytes in ageing bone becomes mineralised, forming hypermineralised osteocyte lacunae that indicate impaired bone function. The mineralised apoptotic debris in the lacuno-canalicular space consists of micrometre-sized nodules of magnesium-rich, carbonated apatite. Additionally, rhomboidal nodules of magnesium whitlockite have been observed in human alveolar bone exposed to the bisphosphonate alendronate. This study provides evidence of Mg-whitlockite formation in alveolar bone exposed to zoledronic acid.

MICRON (2023)

Article Multidisciplinary Sciences

High-resolution Raman spectroscopy reveals compositional differences between pigmented incisor enamel and unpigmented molar enamel in Rattus norvegicus

Furqan Shah

Summary: This study investigates the differences in composition of acid phosphate, carbonate, hydroxyl, iron, and magnesium content between pigmented incisor enamel and unpigmented molar enamel of Sprague Dawley rats. The results reveal that iron-rich pigmented enamel has higher mineral crystallinity, higher levels of acid phosphate and hydroxyl, and no presence of iron oxides or oxy(hydroxides). These findings provide new insights into enamel biomineralization and the functional differences of ameloblasts between incisors and molars in rodents.

SCIENTIFIC REPORTS (2023)

Article Engineering, Biomedical

Magnesium implant degradation provides immunomodulatory and proangiogenic effects and attenuates peri-implant fibrosis in soft tissues

Heithem Ben Amara, Diana C. Martinez, Furqan A. Shah, Anna Johansson Loo, Lena Emanuelsson, Birgitta Norlindh, Regine Willumeit-Romer, Tomasz Plocinski, Wojciech Swieszkowski, Anders Palmquist, Omar Omar, Peter Thomsen

Summary: Using a rat soft tissue model, the researchers found that magnesium (Mg) implants exacerbated initial inflammation but also initiated chemotaxis and upregulated immunomodulatory markers, leading to tissue repair. The understanding of the relationship between Mg material properties and cellular processes provides a basis for interpretation of clinical observations and future improvements in Mg implants.

BIOACTIVE MATERIALS (2023)

Article Chemistry, Inorganic & Nuclear

The structural role and coordination environment of cobalt in 45P2O5-CaO-Na2O phosphate glasses: thermal properties and Raman, UV-vis-NIR, and EPR spectroscopy

Dahiana Avila A. Salazar, Matvey Fedin, Wolfram Hartramph, Delia S. Brauer

Summary: This study aims to investigate the effects of the coordination environment of cobalt on the structure and properties of 45P(2)O(5)-(30 - x)CaO-25Na(2)O-xCoO (x: 0.01 to 10 mol%) glasses. The results show that the presence ratio of four-fold and six-fold coordinated Co2+ has an impact on the thermal properties and network strength of the glasses.

DALTON TRANSACTIONS (2023)

Review Endocrinology & Metabolism

Contributions of Resin Cast Etching to Visualising the Osteocyte Lacuno-Canalicular Network Architecture in Bone Biology and Tissue Engineering

Mari Sato, Furqan A. A. Shah

Summary: In recent years, there has been an evolution of imaging technologies for visualising cells and investigating their interactions with other cells, anatomical structures, and biomaterials. Resin cast etching (RCE) is a simple technique for observing the osteocyte lacuno-canalicular network in bone using scanning electron microscopy. RCE can be used to investigate various quantitative and qualitative parameters, including size and density of osteocytes, arrangement of osteocytes and canaliculi, and communication between osteocytes and implant surfaces. It has applications in studying bone-related diseases and evaluating the osseointegration potential of different materials.

CALCIFIED TISSUE INTERNATIONAL (2023)

Review Cell & Tissue Engineering

Regenerating the Pulp-Dentine Complex Using Autologous Platelet Concentrates: A Critical Appraisal of the Current Histological Evidence

Amna Riaz, Furqan A. Shah

Summary: Current clinical evidence suggests that in regenerative endodontics, the use of PRP or PRF does not provide a significant advantage over induced blood clots. The true nature of neoformed tissues and their response to insult or injury remains poorly characterized and unexplored.

TISSUE ENGINEERING AND REGENERATIVE MEDICINE (2021)

Article Materials Science, Multidisciplinary

F-doped Co3O4 with Pt-like activity and excellent stability for hydrogen evolution reaction in alkaline media

Deyong Zheng, Huihui Jin, Yucong Liao, Pengxia Ji

Summary: In this study, a highly stable and efficient catalyst, fluorine-doped Co3O4 (F-Co3O4), was developed for hydrogen production by water electrolysis. The F-Co3O4 catalyst exhibited a remarkable reduction in overpotential and demonstrated excellent stability for over 100 hours.

MATERIALS LETTERS (2024)

Article Materials Science, Multidisciplinary

Effect of the addition of Cu6Sn5 nanoparticles on the growth of intermetallic compounds at the interfaces of Sn3.0Ag0.5Cu solder joints

Ziwen Lv, Jintao Wang, Fengyi Wang, Jianqiang Wang, Fuquan Li, Hongtao Chen

Summary: Adding Cu6Sn5 nano particles can effectively inhibit the overgrowth of intermetallic compounds at the interfaces of solder joints in electronic devices, providing a solution to this issue. A new growth mechanism of intermetallic compounds at the interfaces was identified.

MATERIALS LETTERS (2024)

Article Materials Science, Multidisciplinary

BiOI/AgI/Ag plasmonic heterostructure for efficient photoelectrochemical water splitting

Jun Wang, Jiawei Chen, Wanru Liao, Fangyang Liu, Min Liu, Liangxing Jiang

Summary: A BiOI/AgI/Ag plasmonic heterostructure photocathode was successfully designed through electrodeposition, ion-exchange, and illumination methods. This photocathode exhibits superior performance in photoelectrochemical water splitting.

MATERIALS LETTERS (2024)

Article Materials Science, Multidisciplinary

Ni@O-doped carbon Mott-Schottky heterojunctions to enhance sulfur conversion kinetics

Xiaoxiao Liu, Xianxian Zhou, Xiaotao Ma, Qinbo Yuan, Shibin Liu

Summary: In this study, the authors propose a method to accelerate the reaction of polysulfides in lithium-sulfur batteries using a Ni@OC Mott-Schottky heterojunction as a catalyst. The experimental results demonstrate that the charge redistribution at the Ni@OC interface accelerates electron transfer and enhances catalytic activity, leading to improved reaction kinetics and battery performance.

MATERIALS LETTERS (2024)

Article Materials Science, Multidisciplinary

Effect of fixture boundary conditions for low-velocity impact: A focus on composites with different matrix and fibers

Dayou Ma, Mohammad Rezasefat, Joziel Aparecido da Cruz, Sandro Campos Amico, Marco Giglio, Andrea Manes

Summary: The matrix has a significant effect on the impact resistance of composite materials. Replacing a brittle polymer with a more flexible one can improve impact resistance, but it poses challenges to standard testing methods. This study designs a new fixture for testing the low-velocity impact of soft composites and investigates the effect of the fixture on the mechanical performance.

MATERIALS LETTERS (2024)

Article Materials Science, Multidisciplinary

Synergistic effect of defects and heterostructures endowing bronze titanium dioxide with superior lithium storage performances

Lingchang Wang, Qihang Yang, Huzhen Li, Ming Wei, Qian Wang, Zhenzhong Hu, Mengmeng Zhen

Summary: Bronze titanium dioxide (TiO2(B)) is a promising anode material for lithium-ion batteries due to its high specific capacity. However, its practical applications are hindered by poor conductivity and limited electrochemical kinetics. In this study, TiO2(B)-carbon nanosheets heterostructures are synthesized to enhance the cycling performance and rate capability of TiO2(B).

MATERIALS LETTERS (2024)

Article Materials Science, Multidisciplinary

Sustained electromagnetic parameters of barium ferrite and epoxy nanocomposites for patch antenna miniaturization over GHz frequency range

Atul Thakur, Ritesh Verma, Ankush Chauhan, Fayu Wan, Preeti Thakur

Summary: In this study, BaFe12O19 and BaFe12O19: Epoxy (50:50) nanocomposites were synthesized using the co-precipitation method. The structural information and material properties, such as crystallite size and electrical conductivity, were characterized by XRD, FESEM, EDX, and TEM techniques.

MATERIALS LETTERS (2024)

Article Materials Science, Multidisciplinary

In-situ construction of CoS2@NC hierarchical binder-free cathode for advanced Li-CO2 batteries

Jingyu Wu, Xinyan Ma, Yong Yang

Summary: A well-defined CoS2@NC(CS-500) hierarchical binder-free catalyst cathode is constructed through in-situ grown of ZIF-67 on carbon cloth and high-temperature carbonization. The cathode shows excellent reaction kinetics and electrochemical performance, providing inspiration for developing advanced Li-CO2 battery catalysts.

MATERIALS LETTERS (2024)

Article Materials Science, Multidisciplinary

K5Eu1-xHox(MoO4)4: Structures and luminescence properties

Svetlana M. Posokhova, Vladimir A. Morozov, Kirill N. Boldyrev, Dina Deyneko, Erzhena T. Pavlova, Bogdan I. Lazoryak

Summary: This study explores the impact of synthesis method and composition on the structure and luminescence properties of K5Eu1-xHox(MoO4)4 with the palmierite-type matrix. The co-doping of Eu3+ and Ho3+ ions plays a critical role in manipulating charge transfer and luminescence efficiency in the visible and infrared regions.

MATERIALS LETTERS (2024)

Article Materials Science, Multidisciplinary

Benzonitrile/pyridylbenzoimidazole hybrid electron-transport material for efficient phosphorescence and TADF OLEDs

Jian Wang, Yeting Tao, Jingsheng Wang, Youtian Tao

Summary: A new electron-transport material iTPyBI-CN is developed through non-catalytic C-N coupling reaction. It exhibits better electroluminescence efficiency in organic light-emitting diodes compared to the commercial material TPBI, due to its twisted geometry and higher energy levels.

MATERIALS LETTERS (2024)

Article Materials Science, Multidisciplinary

Microscopic characteristics and thermodynamic property changes in limestone under high-temperature treatment

Tao Zhu, Feng Huang, Shuo Li, Yang Zhou

Summary: This article combines XRD analysis and microscopic structural observation to investigate the changes in limestone after high-temperature treatment. It finds that 500 degrees C is the critical temperature for crystalline and spatial arrangement changes in limestone, and the thermal conductivity, specific heat capacity, and heat storage coefficient gradually decrease after thermal treatment.

MATERIALS LETTERS (2024)

Article Materials Science, Multidisciplinary

Novel synthesis of ZnO nanostructure from galvanization waste for antibacterial application

Muhammad Haekal Habibie, Fransiska Sri Herwahyu Krismastuti, Abdi Wira Septama, Faiza Maryani, Vivi Fauzia

Summary: This study focuses on the synthesis of zinc oxide nanostructure from zinc recovered from galvanization ash and highlights its potential as a sustainable source of zinc and as an antibacterial agent.

MATERIALS LETTERS (2024)

Article Materials Science, Multidisciplinary

Biomimetic mineralization engineered phycocyanin with improved stability and antioxidantive activity under environmental stress

Jingyi Li, Yixin Xing, Wei Gu, Shousi Lu

Summary: In this study, PC@CaP microparticles were fabricated using biomimetic mineralization. The results showed that under environmental stress, PC@CaP exhibited improved stability and antioxidative activity, indicating its potential use in high-added value fields.

MATERIALS LETTERS (2024)

Article Materials Science, Multidisciplinary

ZIF-8 nanoparticles combined with fibroin protein co-modified TiO2 nanotube arrays to construct a drug sustained-release platform

Yan Liu, Shunyou Chen

Summary: In this study, TNTs were used as a drug carrier and modified with ZIF-8 and silk fibroin to obtain a new drug loading platform. The results showed that this drug-loaded platform had a good drug release effect in vitro and could promote cell proliferation and osteogenic differentiation.

MATERIALS LETTERS (2024)

Article Materials Science, Multidisciplinary

Observation of stacking faults in ε-phase InSe crystal

Chunhui Zhu, Wentao Wang, Qing Zhen, Xinning Huang, Shixin Li, Shaochang Wang, Xiaoping Ma, Xiaoxia Liu, Yalong Jiao, Kai Sun, Zhuangzhi Li, Huaixin Yang, Jianqi Li

Summary: A type of stacking fault is revealed in e-InSe crystal, which is associated with a small stacking-fault energy and shows exceptional plasticity.

MATERIALS LETTERS (2024)