Intervention Hospital wards were randomised to: medical masks, cloth masks or a control group (usual practice, which included mask wearing). Participants used the mask on every shift for 4 consecutive ...

Sodium alginate is a linear polysaccharide extracted from brown algae and is composed of residues of β-D-mannuronic (M) acids and α-L-guluronic (G) acid, joined by glycosidic (1-4) bonds and ...

Gel-type electrochemiluminescence (ECL) active materials have attracted attention in sensing applications, where solid-state flexible and robust-response gels are required. Herein, we report a 5,10,15 ...

A 20-metal Cd (II)−Eu (III) nanomolecular sensor was constructed for the quantitative and qualitative detection of norfloxacin in fetal calf serum and real drug through functionalized sodium alginate ...