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Updated: Jun 9, 2026

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基于金属和介电纳米粒子的光学清除剂用于通过光学连贯性断层扫描诊断

Vanda Sanderana Macedo Carneiro1, Eloiza Leonardo de Melo2, Claudia Cristina Brainer de Oliveira Mota3,4

  • 1Graduate Program in Dentistry, Universidade de Pernambuco (PPGO-UPE), Recife, Brazil.

Clinical oral investigations
|January 4, 2024
PubMed
概括

带有二氧化或银纳米颗粒的光学清除剂纳米聚合物 (OCAs-NC) 改善了初始牙病变的光学连贯性断层扫描 (OCT) 成像. 这有助于提早诊断,并指导最少侵入性治疗策略,以获得更好的患者结果.

关键词:
牙腐烂是一种牙腐烂.诊断成像诊断成像的使用纳米结构是一种纳米结构.光学连贯性断层扫描仪

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Effects of EDTA on End-Point Detection Methods01:18

Effects of EDTA on End-Point Detection Methods

Different methods, such as visual observance of metal-ion indicators, spectroscopic techniques, and potentiometric methods, can determine the endpoint of an EDTA titration.
In the visual method, metal-ion indicators (metallochromic dyes), which have distinct colors in their free and complex forms, are added to the mixture to signal the titration's end point. They form stable complexes with metal ions, but these complexes are weaker than the corresponding metal–EDTA complexes. As a result, EDTA...