1 Subjects: “...human activity...”

2 Subjects: “...biological activity...”

3 Subjects: “...antioxidant activity...”

4 Subjects: “...antimicrobial activity...”

5 Subjects: “...antioxidative activity...”

6 Subjects: “...human activities...”

7 Subjects: “...semi-active...”

8 Subjects: “...active canopy sensing...”