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1. ױۿ
ױ ױռ ݼ ü Ų ̴.
̷ ױ ױ Ͽ Ϲ , Ÿ ױ Ʈ, , ˷ Դ.

׷ ױ ߿ , ̿ ߻Ű Ϲ ܽð ȿ ϴ ִ.
[Fig 1] ǥõ ٿ ̷ ̿ ٸ ݼӿ ױۿ ش(*2).

̷ ȿ ع̷ۿ(Oligodynamic Action)̶ Ѵ.
׷ 鿡 , ī崽 ߱ݼ ֱ , , ƿ .

[Fig 1] (Typhus - Salmonella Typhii) ġ ݼ ̿
           - ּ -

ݼ̿ MIC ݼ̿ MIC
Na+ 1.0 K+ 1.0
NH4+ 1.0 Ll+ 0.5
Sr++ 0.5 Ca++ 0.5
Mg++ 0.25 Ba++ 0.25
Mn++ 0.12 Zn++ 1.0x10-3
Al+++ 1.0x10-3 Fe++ 1.0x10-3
H+ 1.0x10-3 Pb++ 5.0x10-4
Ni++ 1.2x10-4 Co++ 1.2x10-4
Au+ 1.2x10-4 Cd++ 6.0x10-5
Cu++ 1.5x10-5 Hg++ 2.0x10-6
Ag+ 2.0x10-6    
(*2) հ ǿ ڵ, 467, Science Form (1991)
 
2. ױ ī
ױռ ī Ͽ . ˷ 2 [ ̿¼] [Ȱ ü]̴.

(1) ̿¼
̿ ױձ ϴ ƹ ̿° -SH(Sulfhydryl) ˷ Դ.

̿ -SH⸦ ƹ̳ Cystein(HS-CH2-CH(-NH2)-COOH) ϰ Ѵ.

Ÿ Glutathione(-SH⸦ ִ Tripeptide) Cystein ϰ Ѵ.

̿ ۿ뿡 Ͽ () ŵ ؼ (*1) ϰ ִ.

κ ӵ ҷΰ 󵵷 Ǵ ˷ Դ.

Ѱ 󵵰 10~9.5mol/ 󵵷 Ǿ ְ, ̰ Ȯ -SH ̿ ϴ Ѱ 󵵿 ϴ ε ǸǾ.

ǹ̴ ӵ ϰ, ̿° -SH ȣۿ ۿ Ѱ踦 ϰ ִٴ ̴.

ױκ ̿ ϴ ϰ .

ȭչ ü ü ̵ , ǥ鿡  η  ģȭ Ѵ.

Ŀ -SH κп Ͽ ȭչ ȴ.

׸ƴ ϱ Ͽ ؿ ̿ ص ȴ.

׷ ̳ ݼ · Ǵ, Ǵ Glutathione ̳ Metallothionein(Cystein ܱ⸦ ) Ͽ 뼺 ̴ 뼺 ȭչ · Ǿ ܷ̿ Ѵ.

׷ صϴ ̻ ̿ ý Ͽ ϰ ȴ(*2).

̳ ۶ ̷ ̿¿ ۿⱸ Ѵ.

(*1), (*2) : پȭ ױ ̿, IPC, 25


(2) ȰҼ
ȰҴ 翡 ⿩ϰ δ Ȱ , Ǵ ̰ ׾ۿ뿡 ߿ ϰ ־ 츮 Ͽ ߿ ϰ ִ.

׷ ϸ ̴ ü ȭ, ٻ̳ , δ ȭ Ų.

ȰҸ ߻ϴ ױ ױձⱸ ȭ ƼŸ ˸ſ 谡 ȴ.

偸 ̻ ȭ ƼŸ ˸ſ ̸ ڴ(ʤ: Valence band)κ (Conduction band) ڰ ̵ϰ, 뿡 ڰ ߻, ڴ뿡 (: Hole) .

̷ ȭ ƼŸ ڳ ǥ ȭй ϰ ȴ.

ȭƼŸ η ߻ϴ ִ.

1ܰ -

Tio2+hԡTio2*(e-+h+)

2ܰ - () ȯ

O2+e- O2-
O2-+H+ HO2
O2-+2H++e- H2O2
H2O2+e- OH+OH-
H2O2+O2 OH+OH-+O2

2ܰ - ڴ(ʤ) ȭ

H2O+h+ OH+H+
OH-+h+ OH

Hydroxylresical(OH) ߻Ѵ.

λ ڴ ۿ ⱸ Ȱҷ Ǿִٰ Ѵ(*1).

(*1)ΰѺ: ױ , , 24, 509-515 (1996)
 
 
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