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早期癌症检测突破:新成像系统以前所未有的清晰度发现肿瘤

根据参与该项目的研究人员祁振的说法,该系统使用表面增强拉曼散射(SERS)纳米颗粒,这些纳米颗粒可以与特定的肿瘤标志物结合。这些纳米颗粒可以放大癌细胞发出的微弱光信号,使得成像系统能够检测到甚至最微弱的信号。“我们的目标是使这项技术更加便捷和实用,以适应临床应用,”祁振说。“我们相信它有潜力革新癌症的诊断和治疗。”

该新成像系统基于拉曼光谱技术,用于测量分子的振动模式。通过分析SERS纳米颗粒发出的光信号,该系统可以识别与癌性组织相关的特定分子模式。这种方法比现有的成像技术更为灵敏,现有的成像技术通常依赖于荧光染料或其他对比剂,这些对比剂可能有毒或难以使用。

这项技术的发展具有重要意义,因为它可能实现早期癌症检测和更准确的诊断。根据美国癌症协会的数据,癌症是全球死亡的主要原因之一,每年有数百万新病例被诊断出来。早期检测对于有效的治疗和改善患者的预后至关重要。

研究人员相信,他们的技术可以在各种临床环境中使用,包括医院和诊所。他们目前正在努力改进该系统,使其更方便医疗专业人员使用。“我们对这项技术改善癌症诊断和治疗的潜力感到兴奋,”祁振说。“我们致力于尽快将其提供给医疗界。”

该新成像系统仍处于开发的早期阶段,但它已经在实验室测试中显示出良好的结果。研究人员计划进行进一步的研究,以验证该技术并探索其潜在的应用。凭借其高灵敏度和特异性,该技术可能成为抗击癌症的有价值工具,实现早期检测和更有效的治疗。

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