Thermosensitive hydrogel-enhanced RPA-CRISPR/Cas12a biosensor for ultrasensitive detection of methylated loci in breast cancer ctDNA - Jianxun Hou; Yingjie Wang; Weiguang Yuan; Yajie Gong; Yuanyuan Yu; Xuquan Qin; Hui Li; Youxue Zhang; Huawen Shi; Yanbo Chen; Xianyu Zhang (Analytica Chimica Acta, 2026)