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Effectiveness of plant-mediated synthesis of hydroxyapatite nano-particles impregnated in Pistachio oleogum resin on mineral contents of human teeth. An in-situ single-blind controlled study.
J Mech Behav Biomed Mater
December 2023
Department of Restorative Dental Sciences, UCL-Eastman Dental Institute, Medical Faculty, University College London, 21 University Street, London, WC1E 6DE, UK; Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Genoa, Italy; Department of Oral Surgery, King's College Hospital NHS Foundation Trust, London, UK. Electronic address:
Objectives: This study aimed to synthesize and characterize an environmentally friendly nanohydroxyapatite (n-HA) and evaluate its impact on enamel mineral content when incorporated into a Pistachio oleo gum resin (Saqqez) bio-chewing gum for in-situ models. We compared the effects of this green nano-hydroxyapatite (G n-HA) with those of a commercially available synthetic nano-hydroxyapatite (S n-HA).
Methods: Various analytical techniques were employed including XRD, FESEM, FT-IR, EDX/SEM and TGA/DTA to characterize the crystallinity, size and composition of the G n-HA powder.
Microbiological assessment of sachet water "pure water" from five regions in Ghana.
AAS Open Res
January 2019
Safe Water Network, Accra, Ghana.
Sachet water, popularly known as "pure water" has become an invaluable entity in most Ghanaian households. Despite its importance, there is no extensive nationwide investigations on its wholesomeness for consumption. The aim of this study was to determine the microbiological quality of 41 brands of sachet water sampled in 16 districts across 5 regions in Ghana.
View Article and Find Full Text PDF"Pure and wholesome": Stephen Allen, cholera, and the nineteenth-century New York City water supply.
Pharos Alpha Omega Alpha Honor Med Soc
June 2013
Division of Hematology-Oncology, Harold C. Simmons Cancer Center, University of Texas Southwestern Medical Center, Dallas, Texas 75390-8852, USA.
Excretion pattern of aflatoxin M1 in milk of goats fed a single dose of aflatoxin B1.
J Dairy Sci
May 2012
Dipartimento di Agraria, sezione di Scienze Zootecniche, Università di Sassari, 07100 Sassari, Italy.
The feedstuffs used in dairy animals must be able to give consumers confidence about the wholesomeness of milk with regard to aflatoxin contamination. The aim of this study was to determine the excretion patterns of aflatoxin M(1) (AFM1) in the milk of dairy goats fed a single dose of pure aflatoxin B(1) (AFB1), which can occasionally occur if feeds are infected by hot-spot growth of molds that produce aflatoxins. Five dairy goats in midlactation were administered 0.
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