Table 9.
Dendrimer Structure | Proposed Mechanism | HC50 (μg/mL) | Cytotoxicity IC50 (μg/mL) | Target Bacteria | Activity (μg/mL) |
---|---|---|---|---|---|
G2-G3 Ammonium-terminated carbosilane Ds [60] |
Membrane impairments and disruption | N.D. | N.D. |
E. coli S. aureus E. coli S. aureus |
MIC 16 4 MBC 32 8 |
G2 Ammonium-terminated Ds [97] |
Electrostatic binding CM permeabilization |
1024 <10% HC |
N.D. |
E. coli S. aureus |
MBC99.9 3–8 4 |
G0-G2 Ammonium-terminated Ds [99] |
Electrostatic binding Membrane damage Membrane disruption Leakage of cell contents |
N.D. | N.D. | E. coli ATCC | MIC μg/mL; μM 0.9; 0.26 (G1) 1–16; 0.12–2 (G2) MBC μg/mL/μM 4–8; 1.1–2.3 (G1) N.D. (G2) |
G1-G2 ammonium-terminated carbosilane dendrons 3(G1), 4(G2) G1-G2 ammonium-terminated carbosilane dendron nanocomposites 11(3G1), 15(3G2) G1-G2 ammonium-terminated carbosilane dendron nanocomposites 14(4G1), 16(4G2) [100] |
Electrostatic binding Membrane damage Membrane disruption Leakage of cell contents |
N.D. | N.D. | E. coli | MIC/MBC 16/16 (3) 4/8 (4) 16/16 (11) 16/16 (15) 16/32 (14) 4/4 (16) |
S. aureus | 128/128 (3) 8/4-8 (4) 64/64 (11) 32/64 (15) 16/16-32 (14) 4-8/8 (16) |
||||
Ammonium-terminated Ru- and Zn encased Pcs Ds (RuPc, RuPc1, ZnPc, ZnPc1) [101] |
Photoinactivating activity Oxidative stress induction by 1O2 |
N.D. | N.D. | E. coli | ↓ 6-log10 (μM) ZnPc1 5 1 ZnPc 2.5 1 |
S. aureus | ZnPc1 1 2 ZnPc 1 2 |
D(s) = dendrimer(s); N.D. = Not determined; 1 upon red light radiation of 30 J cm−2; 2 upon red light radiation of 60 J cm−2.