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Functional groups are groups of atoms with specific chemical properties that occur within organic molecules and are sometimes denoted as “R”. Functional groups can “functionalize” a compound by enabling it to adopt different physical and chemical properties.
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Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
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在软骨成像技术的进步软骨成像技术的进步.

Ali Guermazi1,2, Felix Eckstein3,4, Garry Gold5

  • 1Chobanian and Avedisian School of Medicine, Boston University, Boston, MA, USA. guermazi@bu.edu.

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像MRI和CT关节镜像等先进的成像技术对于诊断和监测影响关节软骨的类风湿性疾病至关重要. 新兴技术和人工智能有望进一步提高早期检测和软骨损伤的个性化治疗.

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科学领域:

  • 整形外科和风湿病学
  • 医疗成像医学成像
  • 生物医学工程 生物医学工程

背景情况:

  • 关节软骨损伤是风湿性疾病的关键特征,其自然再生能力有限.
  • 早期诊断和对软骨健康的监测对于有效的患者管理至关重要.
  • 非侵入性成像在评估软骨形态和组成方面发挥着至关重要的作用.

研究的目的:

  • 审查关节软骨先进成像技术的现状和未来潜力.
  • 突出成像在早期检测,诊断和治疗软骨病理在类风湿性疾病中的作用.
  • 探索新兴技术,包括人工智能,对软骨成像的影响.

主要方法:

  • 审查已建立和先进的磁共振成像 (MRI) 技术 (T2映射,T1ρ,dGEMRIC,成像,扩散成像,UTE成像).
  • 计算机断层扫描 (CT) 关节镜作为软骨表面病变检测的替代方案的评估.
  • 讨论新兴的方法,如超声波和正子发射断层扫描 (PET).
  • 探索人工智能 (AI) 在加速获取,细分和解释方面的作用.

主要成果:

  • 高分辨率和构成型核磁共振技术可以早期检测结构损伤之前的矩阵变化.
  • CT关节镜对于评估软骨表面病变是有效的,特别是当MRI是禁忌时.
  • 人工智能集成将彻底改变软骨成像,提高效率和临床采用.

结论:

  • 先进的软骨成像,特别是MRI,对于综合评估类风湿性疾病至关重要.
  • 新兴技术和人工智能为改善软骨病理的诊断和管理提供了重大前景.
  • 优化,个性化的软骨疾病管理将越来越依赖于复杂的成像洞察力.