The electrochemical oxidation of a transition metal oxide through calcium extraction is achieved for the first time. The 1D framework of Ca3Co2O6 is maintained upon oxidation and the new phase formed exhibits a modulated structure. The process occurs at high potential and is partially reversible, which opens prospects for a calcium battery proof-of-concept.
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http://dx.doi.org/10.1039/c8dt01754a | DOI Listing |
Eur J Dent
March 2025
Department of Dental Material, Faculty of Dentistry, Universitas Syiah Kuala, Banda Aceh, Indonesia.
Objective: Bone grafts derived from natural hydroxyapatite (HA) are increasingly being explored because they are more economical in terms of production costs compared with commercial HA. HA can be obtained from local cattle slaughter waste in Aceh, Indonesia, which has not been widely studied for its potential for dental applications. This study examines the synthesis and characterization of bovine HA (BHA) derived from Aceh cattle femur through calcination for applications in dentistry.
View Article and Find Full Text PDFClin Oral Investig
March 2025
Department of Preventive and Restorative Dentistry, Araçatuba School of Dentistry, São Paulo State University (UNESP), Araçatuba, SP, Brazil.
Objectives: This systematic review and meta-analysis (SRM) evaluated the effect of incorporating calcium-based bioactive agents in bleaching gels on dental structure preservation and whitening efficacy.
Methods: A comprehensive search was conducted across databases up to November 2024. Two independent reviewers screened and selected clinical trials and in vitro studies evaluating the effects of calcium-based bioactive agents in bleaching gels, following predefined PICO criteria.
BDJ Open
March 2025
Bahrain Defence Force Royal Medical Services, Riffa, Kingdom of Bahrain.
Background: Drug-associated gingival disorders can negatively impact on oral health. This study aimed to utilize the United States Food and Drug Administration Adverse Event Reporting System (USFDA AERS) to comprehensively assess the associations between medications and specific gingival disorders.
Methods: Data were extracted from the USFDA AERS from 2004-2024 using Preferred Terms for eight gingival disorders.
Environ Technol
March 2025
Biology Department, Science College, University of Hafr Al Batin, Hafr Al Batin, Saudi Arabia.
Microalgae have been pioneering microbial cell factories for sustainable bioenergy production and other high-value product extraction. The present study affirms using mixed algal species (MAS) as a consortium for escalated biomass yield and lipid production under different calcium chloride and magnesium sulphate concentrations toward biofuel production. Of the different concentrations of Ca and Mg concentrations tested, 75 mg/L of calcium and 125 mg/L of magnesium displayed maximal biomass yield, cell density, and biomass productivity.
View Article and Find Full Text PDFChem Biodivers
March 2025
Democritus University of Thrace: Demokriteio Panepistemio Thrakes, School of Chemistry, Faculty of Sciences, Kavala University Campus, 65404, Kavala, GREECE.
Nephrolithiasis, or kidney stone formation, is a widespread global health concern. This study examines the effects of polyphenolic extracts, along with their anthocyanin and non-anthocyanin fractions, from sumac fruit, pomegranate peel, almond leaves, falsa fruit, and banana bract on the crystallization of calcium oxalate (CaC2O4.nH2O) and brushite (CaHPO4 2H2O) in vitro.
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