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. 2020 Oct 14;10(10):2022. doi: 10.3390/nano10102022

Table 9.

Most representative ammonium-terminated antibacterial Ds and some of their variations developed in the last decade and antibacterial activity of the most effective ones among the synthetized series.

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.