Results 11 to 20 of about 6,709 (223)

Identifying recurrent stone formers with machine learning: A single-centre observational study. [PDF]

open access: yesBJUI Compass
Abstract Objectives Kidney stones affect 12% of the population over their lifetime. Recurrent kidney stones lead to repeated interventions and excessive healthcare costs. Despite progress in imaging and metabolic evaluations, models to accurately identify patients at high risk are missing.
Amado P   +7 more
europepmc   +2 more sources

Synthesis of brushite/polyethylene glycol cement for filler in bone tissue injuries

open access: yesCerâmica, 2021
The objective of this work was to produce brushite cement for orthopedic applications, based on the system wollastonite/phosphoric acid with the incorporation of polyethylene glycol (PEG) as a setting and processing additive.
O. C. Morúa   +5 more
doaj   +1 more source

A Precision Medicine Approach Uncovers a Unique Signature of Neutrophils in Patients With Brushite Kidney Stones

open access: yesKidney International Reports, 2020
Introduction: We have previously found that papillary histopathology differs greatly between calcium oxalate and brushite stone formers (SF); the latter have much more papillary mineral deposition, tubular cell injury, and tissue fibrosis.
Mohammad Shahidul Makki   +13 more
doaj   +1 more source

Adherence and activation of human mesenchymal stromal cells on brushite coated porous titanium

open access: yesResults in Engineering, 2023
Tri-calcium-phosphate Ca3(PO4)2 is considered a promising material to improve implant and bone tissue linking. Titanium (Ti), a highly porous material, was coated with crystalline brushite using an electrochemical process so that it could be used as an ...
Osama A. Hamed   +6 more
doaj   +1 more source

APATITES FORMATION ON ELECTRODEPOSITED CALCIUM PHOSPHATES IN THE Ca(NO3)2 / NH4H2PO4 AND CаCO3 / Ca(H2PO4)2 SYSTEMS

open access: yesФизико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2021
Calcium phosphate coatings on titanium plates were obtained by electrochemical deposition at room temperature in a two-electrode cell at a constant current density of 30 mA/sm^2 and a deposition time of 10 min, and brushite coatings from Ca(NO3)2 ...
V.K. Krut’ko   +4 more
doaj   +1 more source

Enhydra fluctuans Lour. aqueous extract inhibited the growth of calcium phosphate crystals: An in vitro study

open access: yesFood Chemistry Advances, 2023
Enhydra fluctuans Lour. is consumed by various tribes in their ethnomedicinal practices for the treatment of kidney stones and urinary problems. However, no scientific studies were conducted to evaluate its effect on crystal growth.
Bornika Chattaraj   +9 more
doaj   +1 more source

Baseline investigation on enzyme induced calcium phosphate precipitation for solidification of sand

open access: yesFrontiers in Built Environment, 2023
Introduction: Bio-cementation processes [namely, microbial induced carbonate precipitation (MICP) and enzyme induced carbonate precipitation (EICP)] have recently become promising techniques for solidifying loose sands.
Sivakumar Gowthaman   +4 more
doaj   +1 more source

Microporous Ceramics Based on β-Tricalcium Phosphate

open access: yesCeramics, 2022
Microporous ceramic material, based on β-tricalcium phosphate β-Ca3(PO4)2 with grain size 2–5 μm, pore size smaller than 10 mm, and density 1.22 g/cm3 corresponding to ~40% of the theoretical density (3.07 g/cm3) of β-Ca3(PO4)2, was obtained from a ...
Tatiana Safronova   +5 more
doaj   +1 more source

Preparation and Characterization of Mono- and Biphasic Ca1−xAgxHPO4·nH2O Compounds for Biomedical Applications

open access: yesBiomimetics, 2023
This study aimed to explore the effects of the full-scale replacement (up to 100%) of Ca2+ ions with Ag1+ ions in the structure of brushite (CaHPO4·2H2O).
Fahad Abdulaziz   +9 more
doaj   +1 more source

Metabolic abnormalities in pure vs. mixed struvite stone formers: A retrospective comparative analysis utilising large language models for data extraction. [PDF]

open access: yesBJUI Compass
Abstract Objectives To evaluate demographic characteristics and the prevalence of metabolic abnormalities in patients with pure struvite stones compared to those with mixed struvite and calcium oxalate stones. Methods We retrospectively reviewed 3001 stone analyses performed at our institution between August 2019 and April 2024.
Velasquez Ospina J   +7 more
europepmc   +2 more sources

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