Supinine, lasiocarpine-N-oxide and Europine N-oxide exhibit virucidal activity to Poliomyelitis, Coxsackie, Semliki forest, Vesicular stomatitis and Herpes simplex at the concentration of 5, 10 and 20 mu g/ml respectively.

Quercetin 7-O-(6''-O-malonyl)-beta-D-glucoside is a natural product of Justicia, Acanthaceae. Quercetin 7-O-(6''-O-malonyl)-beta-D-glucoside can be used as a reference standard.

DAPI DiHClide 是一种细胞渗透性荧光探针，通过结合在富含 AT 的 DNA 序列的小丛中，用于染色 DNA 和染色体，优先染色富含腺嘌呤和胸腺嘧啶的 DNA。