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医生给癌症患者动手术时,把一支外形像笔的装置放在手术部位,就能迅速知道哪些是需要切除的癌症组织,哪些是需要保留的正常组织。美国得克萨斯大学奥斯汀校区一个跨学科研究团队在最新一期《科学转化医学》杂志上介绍了他们研制的这种先进设备。
医生做手术时用这只“笔”把一滴水注入目标组织,再把提取了组织细胞的这滴水注入一个光谱仪,10秒钟后就能在设备屏幕上看到分析结果,知道目标组织是不是癌组织。这一鉴别速度比现有技术快150多倍。
研究人员来自化学、工程学和医学领域。他们在253名癌症患者被切除的癌症组织上测试这种名为MasSpec Pen的设备,发现它的准确率超过96%。研究团队计划明年在实际手术中进一步测试设备。
参与项目合作的美国贝勒医学院内分泌学专家詹姆斯·舒利布尔克说:“我们一直希望为患者提供更精确、快速、安全的手术。这项技术都做到了。它让我们可以更精确地知道哪些组织要切除,哪些要保留。”(欧飒)【新华社微特稿】
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