A proximity-allosteric Adapter unlocks Cas12a exponential amplification for versatile homogeneous assay - Feiyu Chen; Man Tang; Zhangling Liu; Wuxian Li; Xingping Hu; Linguo Xiang; Lanxin Jiang; Yanna Ban; Jing Wang; Jia Li; Wei Cheng; Tiantian Yang (Analytica Chimica Acta, 2026)