Enamel and dentin slabs (4 × 4 × 2 mm) were obtained from bovine incisors, using a microtome (Isomet, Buehler, Lake Bluff, IL, USA). The specimens were embedded in acrylic resin (Varidur, Buehler), and the resulting blocks were ground flat and polished with Al2O3 papers grit #500, 1200, 2400, and 4000 (MD-Fuga, Struers Inc, Cleveland, OH, USA), under water cooling, and polishing cloth and diamond suspension (1 μm; Struers Inc.). At the end of the polishing procedures, the specimens were sonicated in distilled water for 3 min. The specimens with cracks or any other surface defects were discarded. Unplasticized polyvinyl chloride tapes were then placed on the polished surfaces of the selected specimens, leaving a central window of 4 × 1 mm exposed.
Diamond suspension
Manufactured by Struers
Sourced in United States, Denmark
Diamond suspension is a lab equipment product designed to provide a polishing medium for metallographic and petrographic specimens. It consists of a suspension of diamond particles in a liquid carrier, which can be applied to a polishing cloth or pad to create a smooth, high-quality surface on the specimen.
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Lab products found in correlation
3 protocols using diamond suspension
1
Standardized Bovine Dental Specimen Preparation
2
Electrodeposition of NiHCF Thin Films
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NiHCF thin films were electrodeposited using the cathodic deposition technique.31 Briefly, 1 mm diameter GCE was cycled from 0.85 V to 0.00 V vs Ag/AgCl 3 M KCl using a scan rate of 25 mV s−1 in a freshly prepared solution of 2 mM K3FeCN)6 (Sigma‐Aldrich), 2 mM NiSO4 (Sigma‐Aldrich) and 0.5 M K2SO4 (Sigma‐Aldrich). Before cycling, the GCE electrode was polished using 0.250 μm, and 0.1 μm polishing pads (Struers) with the corresponding diamond suspension (Struers) on a polishing machine with 300 rpm. After polishing, the electrode was sonicated in water for 3 minutes and then cleaned electrochemically by cycling in 1 M H2SO4 from 1.5 V to −0.250 V vs Ag/AgCl using a scan rate of 25 mV s−1.
3
Surface Topography Evaluation of Sintered Specimens
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After sintering, the surfaces of all the specimens (N = 6, n = 1 per group) were polished up to a thickness of 1 µm with a diamond suspension (Struers, Bellerup, Denmark) and ultrasonically cleaned in isopropanol. Then, the specimens were dried at 50 °C for 24 h (Nüve Incubator EN 120, Ankara, Turkey) and coated with 9 nm gold-palladium particles (Cressington sputtercoater 108 auto, Cressington MTM-20, Elektronen-Optik-Service, Dortmund, Germany) and the surface topography was evaluated using a scanning electron microscope (Evo LS10, Carl Zeiss, Oberkochen, Germany) at magnifications of 5000× and 15,000×.
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