Double difference accumulation SERS strategy for rapid separation and detection of probiotic Bacillus endospores and vegetative cells - Shijie Liu; Qian Ding; Yueyu Bai; Lijun Zhao; Miaoyun Li; Jong-Hoon Lee; Yaodi Zhu; Lingxia Sun; Yanxia Liu; Yangyang Ma; Gaiming Zhao; Dong Liang; et al. (Food Research International, 2025)