JP2000016904A - Antibacterial antifungal agent and antibacterial antifungal material - Google Patents

Antibacterial antifungal agent and antibacterial antifungal material

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Publication number
JP2000016904A
JP2000016904A JP10186162A JP18616298A JP2000016904A JP 2000016904 A JP2000016904 A JP 2000016904A JP 10186162 A JP10186162 A JP 10186162A JP 18616298 A JP18616298 A JP 18616298A JP 2000016904 A JP2000016904 A JP 2000016904A
Authority
JP
Japan
Prior art keywords
compound
antibacterial
solution
antibacterial antifungal
silver
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP10186162A
Other languages
Japanese (ja)
Inventor
Kenji Kitamura
健治 北村
Yoshihiro Kondo
良弘 近藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TOKURIKI KAGAKU KENKYUSHO KK
Original Assignee
TOKURIKI KAGAKU KENKYUSHO KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TOKURIKI KAGAKU KENKYUSHO KK filed Critical TOKURIKI KAGAKU KENKYUSHO KK
Priority to JP10186162A priority Critical patent/JP2000016904A/en
Publication of JP2000016904A publication Critical patent/JP2000016904A/en
Pending legal-status Critical Current

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  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

PROBLEM TO BE SOLVED: To obtain the subject agent having a wide range of antibacterial antifungal activity and high safety e.g. in terms of cutaneous irritation by including a compound formed by binding a nucleic acid base to silver ion as an active ingredient. SOLUTION: This agent includes a compound, as an active ingredient, formed by binding (A) a nucleic acid base (adenine, guanine, hypoxanthine, theophylline, cytosine, thymine, orotic acid or the like or a derivative thereof or the like) to (B) silver ion. The compound is obtained by reacting the component A with the component B in a solution, separating the resultant precipitate and washing it with water, an organic solvent and so on. It is preferable that about 0.5-2 mol(s) of the component A is added to 1 mol of the component B to conduct the reaction. The compound can be used as an antibacterial antifungal agent as it is and furthermore, can be used as an antibacterial antifungal material or an antibacterial antifungal composition by being carried by various carriers (solid carriers, liquid carriers, mixtures thereof or the like).

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、広範な抗菌抗かび
活性を有すると共に皮膚刺激性等の安全性の高い抗菌抗
かび剤およびそれを用いた抗菌抗かび材料に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an antifungal agent having a wide range of antibacterial and antifungal activities and having high safety such as skin irritation, and an antibacterial antifungal material using the same.

【0002】[0002]

【従来の技術】近年、抗菌抗かび活性を有する薬剤を様
々な生活関連素材に適用した新たな機能を付与した機能
性素材の開発・利用がさかんに行われている。これらの
機能性素材は、抗菌抗かび活性を有する薬剤を当該素材
に添加することにより新たな機能を付与したものであ
る。
2. Description of the Related Art In recent years, a functional material having a new function by applying a drug having an antibacterial and antifungal activity to various living-related materials has been actively developed and used. These functional materials are provided with new functions by adding a drug having an antibacterial and antifungal activity to the materials.

【0003】これらの機能性素材分野への抗菌抗かび剤
の適用をはかる際、当該薬剤については広範な抗菌スペ
クトルと安全性を有することが要求されると共に薬剤が
素材の品質に悪い影響を及ぼさないこと、耐久性、残効
性、経済性にすぐれていることなどが要求される。そこ
で、これまでの抗菌抗かび剤に使用されている薬剤とし
ては、ベンゾイミダゾール系、ニトリル系、イソチアゾ
リン系、ハロアリルスルホン系、ヨードプロパルギル
系、ベンゾチアゾール系、フェノール系、有機スズ系、
ピリジン系、ジフェニルエーテル系、クロルヘキシジン
系があげられる。
[0003] In the application of antibacterial and antifungal agents to the field of these functional materials, the drugs are required to have a broad antibacterial spectrum and safety, and the drugs adversely affect the quality of the materials. It is required that they have no properties, that they have excellent durability, residual effects, and economic efficiency. Therefore, the drugs used in antibacterial antifungal agents so far include benzimidazole, nitrile, isothiazoline, haloallylsulfone, iodopropargyl, benzothiazole, phenol, organotin,
Pyridine, diphenyl ether and chlorhexidine are mentioned.

【0004】[0004]

【発明が解決しようとする課題】このような抗菌抗かび
剤は、一種類の薬剤のみでは十分な抗菌抗かび効果を示
さないものが多い。また、薬剤自体が示す抗菌抗かび活
性がすぐれていても、素材との適合性という点で問題が
生じ、素材へ適用した後には、必ず十分な抗菌抗かび効
果を示すとは限らない。
Many of such antibacterial and antifungal agents do not show a sufficient antibacterial and antifungal effect with only one kind of agent. In addition, even if the drug itself has excellent antibacterial and antifungal activity, a problem arises in compatibility with the material, and it does not always show a sufficient antibacterial and antifungal effect after application to the material.

【0005】さらに、これらの抗菌抗かび剤の安全性に
ついてみると、急性経口毒性、皮膚刺激性、粘膜刺激性
等を示すものが多く、これらの作用は、概して抗菌抗か
び活性の強いものほど強く、このような抗菌抗かび剤を
生活環境に適用するには問題があった。
Further, regarding the safety of these antibacterial and antifungal agents, many of them show acute oral toxicity, skin irritation, mucous membrane irritation and the like. Strongly, there were problems in applying such antibacterial antifungal agents to living environments.

【0006】[0006]

【課題を解決するための手段】本発明は、核酸塩基と銀
イオンとを結合した抗菌抗かび剤であり、さらにこの化
合物を固体担体や液体担体に担持させた抗菌抗かび材料
である。この化合物は、核酸塩基の配位子が銀に配位し
て錯体を形成しているかまたは核酸塩基と銀とが塩を形
成していると考えられる。
SUMMARY OF THE INVENTION The present invention is an antibacterial antifungal agent comprising a nucleic acid base and silver ions bonded to each other, and an antibacterial antifungal material having this compound supported on a solid or liquid carrier. In this compound, it is considered that the ligand of the nucleobase is coordinated to silver to form a complex, or the nucleobase and silver form a salt.

【0007】上記化合物は、核酸塩基と銀イオンとを溶
液中で反応させ、生成した沈殿を分離し、水や有機溶媒
等にて洗浄することにより製造される。反応は、例えば
銀イオン1モルに対し、核酸塩基を0.5〜2モル程度
加えて反応させることにより行われる。使用される核酸
塩基は、アデニン、グアニン、ヒポキサンチン、テオフ
ィリン、シトシン、チミン、オロチン酸等およびこれら
の誘導体等である。
The above compound is produced by reacting a nucleic acid base with silver ions in a solution, separating a formed precipitate, and washing the precipitate with water or an organic solvent. The reaction is carried out, for example, by adding about 0.5 to 2 moles of a nucleobase to 1 mole of silver ions. The nucleobases used include adenine, guanine, hypoxanthine, theophylline, cytosine, thymine, orotic acid and the like and derivatives thereof.

【0008】使用される銀イオンは、用いる核酸塩基と
反応可能な銀化合物を限定なく使用することができる。
具体的には、例えば硝酸銀、亜硝酸銀、過塩素酸銀、酢
酸銀、ホウふっ化銀等である。さらに、化合物の生成に
使用される溶媒としては、上記した銀イオンおよび/も
しくは核酸塩基を溶解するものであれば、公知の溶媒を
限定なく使用することができる。具体的には、例えば
水、水酸化ナトリウム、水酸化リチウム、水酸化カリウ
ムもしくは水酸化セシウム等の水酸化アルカリ金属の水
溶液、メタノール、エタノールもしくは、IPA等のア
ルコール類、ベンゼン、トルエン、キシレン、ヘキサン
もしくはシクロヘキサン等の炭化水素類、ジエチルエー
テル等のエーテル類、アセトン等のケトン類等があり、
これを単独または混合している用いることがきる。
As the silver ion to be used, a silver compound capable of reacting with the used nucleobase can be used without limitation.
Specific examples include silver nitrate, silver nitrite, silver perchlorate, silver acetate, and silver borofluoride. Further, as a solvent used for producing the compound, a known solvent can be used without limitation as long as it dissolves the above-mentioned silver ion and / or nucleobase. Specifically, for example, water, an aqueous solution of an alkali metal hydroxide such as sodium hydroxide, lithium hydroxide, potassium hydroxide or cesium hydroxide, alcohols such as methanol, ethanol or IPA, benzene, toluene, xylene, hexane Or hydrocarbons such as cyclohexane, ethers such as diethyl ether, ketones such as acetone, and the like,
It can be used alone or in combination.

【0009】このようにして得られる化合物は、すぐれ
た抗菌抗かび作用を有するもので、そのまま抗菌抗かび
剤として使用でき、さらに、種々の担体に担持させて抗
菌抗かび材料や抗菌抗かび組成物等とすることができ
る。そこで、このようにして用いる担体としては、固体
担体、液体担体およびこれらの混合物のいずれも使用が
可能である。
The compound thus obtained has an excellent antibacterial and antifungal activity and can be used as it is as an antibacterial and antifungal agent. Object or the like. Therefore, as the carrier used in this manner, any of a solid carrier, a liquid carrier, and a mixture thereof can be used.

【0010】固体担体としては、無機固体担体および有
機固体担体があげられ、この無機固体担体としてはシリ
カ、ヒドロキシアパタイト、ゼオライト、酸化チタン等
である。これらの無機固体担体と本発明化合物を含有す
る組成物においては、この固体担体に本発明化合物を固
定化されているのが好ましい。このような無機固体担体
および本発明化合物を含有する抗菌抗かび材料は、例え
ばゼオライトー銀に代表される既存の銀含有抗菌剤の欠
点である塩の存在下での銀の置換反応による抗菌活性の
低下、銀イオンの光による変色等がない。
Examples of the solid carrier include an inorganic solid carrier and an organic solid carrier. Examples of the inorganic solid carrier include silica, hydroxyapatite, zeolite, and titanium oxide. In the composition containing the inorganic solid carrier and the compound of the present invention, the compound of the present invention is preferably immobilized on the solid carrier. Such an antibacterial and antifungal material containing the inorganic solid carrier and the compound of the present invention has an antibacterial activity due to a substitution reaction of silver in the presence of a salt, which is a drawback of existing silver-containing antibacterial agents represented by zeolite-silver, for example. No decrease, no discoloration by silver ion light, etc.

【0011】つぎに有機固体担体としては、ろう、ワニ
ス、ラッカー、合成樹脂塗料等の各種ワックス類、ポリ
エチレン、ポリ塩化ビニル、ポリスチレン、ポリエチレ
ンテレフタラート、アクリル樹脂、エポキシ樹脂、フェ
ノール樹脂、メラミン樹脂、尿素樹脂等の樹脂等があげ
られる。液体担体としては、水、アルコール類、炭化水
素類、エーテル類、ケトン類等の有機溶媒があげられ
る。
[0011] Organic solid carriers include waxes such as waxes, varnishes, lacquers, and synthetic resin paints, polyethylene, polyvinyl chloride, polystyrene, polyethylene terephthalate, acrylic resins, epoxy resins, phenolic resins, melamine resins, and the like. A resin such as a urea resin is exemplified. Examples of the liquid carrier include organic solvents such as water, alcohols, hydrocarbons, ethers, and ketones.

【0012】本発明の抗菌抗かび剤または材料における
本発明化合物の配合量はとくに限定されないが、0.0
1〜90重量%が好ましい。
The compounding amount of the compound of the present invention in the antibacterial antifungal agent or the material of the present invention is not particularly limited.
1-90% by weight is preferred.

【0013】[0013]

【発明の実施の形態】以下に本発明の実施の形態を説明
する。 第1実施の形態例 硝酸銀3.40g(20mmol)を水20mlに溶解
する(溶液A)。アデニン2.70g(20mmol)
と水酸化ナトリウム0.80g(20mmol)を水5
0mlに溶解する(溶液B)。
Embodiments of the present invention will be described below. First Embodiment 3.40 g (20 mmol) of silver nitrate is dissolved in 20 ml of water (solution A). 2.70 g (20 mmol) of adenine
And 0.80 g (20 mmol) of sodium hydroxide in water 5
Dissolve in 0 ml (solution B).

【0014】上記溶液Aを攪拌し、溶液Bを徐々に加え
る。このとき白色沈殿が生じる。得られた白色沈殿を濾
過し、よく水洗浄を行い、乾燥することにより白色沈殿
が得られる。本操作によって5.60gの白色沈殿を得
た。この化合物はFT−IR分析よりアデニンー銀化合
物の生成を確認した。 第2実施の形態例 硝酸銀3.40g(20mmol)を水20mlに溶解
する(溶液A)。
The solution A is stirred, and the solution B is gradually added. At this time, a white precipitate is formed. The obtained white precipitate is filtered, washed well with water, and dried to obtain a white precipitate. By this operation, 5.60 g of a white precipitate was obtained. For this compound, formation of an adenine-silver compound was confirmed by FT-IR analysis. 2. Second Embodiment 3.40 g (20 mmol) of silver nitrate is dissolved in 20 ml of water (solution A).

【0015】グアニン3.00g(20mmol)と水
酸化ナトリウム1.80g(45mmol)を水50m
lに溶解する(溶液B)。上記溶液Aを攪拌し、溶液B
を徐々に加える。このとき白色沈殿が生じる。得られた
白色沈殿を濾過し、よく水洗浄を行い、乾燥することに
より白色沈殿が得られる。本操作によって4.30gの
白色沈殿を得た。
[0015] 3.00 g (20 mmol) of guanine and 1.80 g (45 mmol) of sodium hydroxide were added to 50 m of water.
1 (solution B). The solution A is stirred, and the solution B
Add slowly. At this time, a white precipitate is formed. The obtained white precipitate is filtered, washed well with water, and dried to obtain a white precipitate. By this operation, 4.30 g of a white precipitate was obtained.

【0016】この化合物はFT−IR分析よりグアニン
ー銀化合物の生成を確認した。 第3実施の形態例 硝酸銀1.70g(10mmol)を水20mlに溶解
する(溶液A)。テオフィリン1.80g(10mmo
l)と水酸化ナトリウム0.40g(10mmol)を
水50mlに溶解する(溶液B)。
The formation of a guanine-silver compound was confirmed by FT-IR analysis of this compound. Third Embodiment 1.70 g (10 mmol) of silver nitrate is dissolved in 20 ml of water (solution A). 1.80 g of theophylline (10 mmo
l) and 0.40 g (10 mmol) of sodium hydroxide are dissolved in 50 ml of water (solution B).

【0017】上記溶液Aを攪拌し、溶液Bを徐々に加え
る。このとき白色沈殿が生じる。得られた白色沈殿を濾
過し、よく水洗浄を行い、乾燥することにより白色沈殿
が得られる。本操作によって2.80gの白色沈殿を得
た。この化合物はFT−IR分析よりテオフィリンー銀
化合物の生成を確認した。 第4実施の形態例 硝酸銀1.70g(10mmol)を水20mlに溶解
する(溶液A)。
The solution A is stirred, and the solution B is gradually added. At this time, a white precipitate is formed. The obtained white precipitate is filtered, washed well with water, and dried to obtain a white precipitate. By this operation, 2.80 g of a white precipitate was obtained. This compound was confirmed to be a theophylline-silver compound by FT-IR analysis. Fourth Embodiment 1.70 g (10 mmol) of silver nitrate is dissolved in 20 ml of water (solution A).

【0018】ヒポキサンチン1.40g(10mmo
l)と水酸化ナトリウム0.40g(10mmol)を
水50mlに溶解する(溶液B)。上記溶液Aを攪拌
し、溶液Bを徐々に加える。このとき白色沈殿が生じ
る。得られた白色沈殿を濾過し、よく水洗浄を行い、乾
燥することにより白色沈殿が得られる。本操作によって
2.20gの白色沈殿を得た。
1.40 g of hypoxanthine (10 mmo
l) and 0.40 g (10 mmol) of sodium hydroxide are dissolved in 50 ml of water (solution B). The solution A is stirred, and the solution B is gradually added. At this time, a white precipitate is formed. The obtained white precipitate is filtered, washed well with water, and dried to obtain a white precipitate. By this operation, 2.20 g of a white precipitate was obtained.

【0019】この化合物はFT−IR分析よりヒポキサ
ンチンー銀化合物の生成を確認した。 第5実施の形態例 硝酸銀1.70g(10mmol)を水20mlに溶解
する(溶液A)。シトシン1.10g(10mmol)
と水酸化ナトリウム0.40g(10mmol)を水5
0mlに溶解する(溶液B)。
For this compound, formation of a hypoxanthine-silver compound was confirmed by FT-IR analysis. Fifth Embodiment 1.70 g (10 mmol) of silver nitrate is dissolved in 20 ml of water (solution A). 1.10 g (10 mmol) of cytosine
And 0.40 g (10 mmol) of sodium hydroxide in water 5
Dissolve in 0 ml (solution B).

【0020】上記溶液Aを攪拌し、溶液Bを徐々に加え
る。このとき白色沈殿が生じる。得られた白色沈殿を濾
過し、よく水洗浄を行い、乾燥することにより白色沈殿
が得られる。本操作によって1.90gの白色沈殿を得
た。この化合物はFT−IR分析よりシトシンー銀化合
物の生成を確認した。 第6実施の形態例 硝酸銀1.70g(10mmol)を水20mlに溶解
する(溶液A)。
The solution A is stirred, and the solution B is gradually added. At this time, a white precipitate is formed. The obtained white precipitate is filtered, washed well with water, and dried to obtain a white precipitate. By this operation, 1.90 g of a white precipitate was obtained. For this compound, formation of a cytosine-silver compound was confirmed by FT-IR analysis. Sixth Embodiment 1.70 g (10 mmol) of silver nitrate is dissolved in 20 ml of water (solution A).

【0021】チミン1.30g(10mmol)と水酸
化ナトリウム0.40g(10mmol)を水50ml
に溶解する(溶液B)。上記溶液Aを攪拌し、溶液Bを
徐々に加える。このとき白色沈殿が生じる。得られた白
色沈殿を濾過し、よく水洗浄を行い、乾燥することによ
り白色沈殿が得られる。本操作によって2.00gの白
色沈殿を得た。
1.30 g (10 mmol) of thymine and 0.40 g (10 mmol) of sodium hydroxide were added to 50 ml of water.
(Solution B). The solution A is stirred, and the solution B is gradually added. At this time, a white precipitate is formed. The obtained white precipitate is filtered, washed well with water, and dried to obtain a white precipitate. By this operation, 2.00 g of a white precipitate was obtained.

【0022】この化合物はFT−IR分析よりチミンー
銀化合物の生成を確認した。 第7実施の形態例 硝酸銀1.70g(10mmol)を水20mlに溶解
する(溶液A)。オロチン酸ー水和物1.70g(10
mmol)と水酸化ナトリウム0.80g(20mmo
l)を水100mlに溶解する(溶液B)。
The formation of a thymine-silver compound was confirmed by FT-IR analysis of this compound. Seventh Embodiment 1.70 g (10 mmol) of silver nitrate is dissolved in 20 ml of water (solution A). 1.70 g of orotic acid monohydrate (10
mmol) and 0.80 g (20 mmol) of sodium hydroxide.
1) is dissolved in 100 ml of water (solution B).

【0023】上記溶液Aを攪拌し、溶液Bを徐々に加え
る。このとき白色沈殿が生じる。得られた白色沈殿を濾
過し、よく水洗浄を行い、乾燥することにより白色沈殿
が得られる。本操作によって2.60gの白色沈殿を得
た。この化合物はFT−IR分析よりオロチン酸ー銀化
合物の生成を確認した。以上によって得られた銀化合物
の抗菌性をつぎの方法により確認した。
The solution A is stirred, and the solution B is gradually added. At this time, a white precipitate is formed. The obtained white precipitate is filtered, washed well with water, and dried to obtain a white precipitate. By this operation, 2.60 g of a white precipitate was obtained. For this compound, formation of an orotic acid-silver compound was confirmed by FT-IR analysis. The antibacterial property of the silver compound obtained as described above was confirmed by the following method.

【0024】細菌:ソイビーン・カゼイン・ダイジェス
ト(SCD)液体培地5mlに接種し、35℃、24時
間前培養し、前培養した菌液の100倍希釈液0.1m
lを2mlの検体を含むSCD培地に接種した。35
℃、72時間振とう培養したのち増殖の有無を確認し
た。 酵母:グルコース・ペプトン(GP)液体培地5mlに
接種し、35℃、24時間前培養し、前培養した菌液の
100倍希釈液0.1mlを2mlの検体を含むGP培
地に接種した。35℃、72時間振とう培養したのち増
殖の有無を確認した。
Bacteria: Inoculated in 5 ml of soybean casein digest (SCD) liquid medium, pre-cultured at 35 ° C. for 24 hours, and 0.1 m of a 100-fold dilution of the pre-cultured bacterial solution
was inoculated into SCD medium containing 2 ml of specimen. 35
After shaking culture at 72 ° C. for 72 hours, the presence or absence of proliferation was confirmed. Yeast: 5 ml of glucose / peptone (GP) liquid medium was inoculated, pre-cultured at 35 ° C. for 24 hours, and 0.1 ml of a 100-fold dilution of the pre-cultured bacterial liquid was inoculated into 2 ml of a GP medium containing a specimen. After shaking culture at 35 ° C. for 72 hours, the presence or absence of proliferation was confirmed.

【0025】かび:グルコース・ペプトン(GP)寒天
培地に接種し、24℃、1週間前培養し、前培養した胞
子懸濁液0.1mlを2mlの検体を含むGP寒天培地
に接種した。24℃、168時間振とう培養したのち増
殖の有無を確認した。抗菌活性測定は以下に示す菌種に
ついて行った。 真菌 1.Candida albicans(カンジダアル
ビカンス) 2.Aureobasidium pullulans
(オーレオバシディアムプルランス) 3.Aspergillus niger(アスペルギ
ラスニガー) 4.Phoma glomerata(フォーマグロメ
ラータ) 5.Alternaria dianthicola
(アルテルナリアディアンティコーラ) 6.Trichoderma(トリコデルマ) 7.Penicillium citrinum(ペニ
シリウムシトリナム) 8.Chaetomium globosum(シェト
ミウムグロボサム) 9.Cladosporium sphaerospe
rmum(クラドスポリウムスヒィロスペルマム) 10.Fusarium moniliforme(フ
ザリウムモニリフォルメ) 細菌 11.Escherichia coli(エスケリフ
ィアコリ) 12.Staphylococcus aureus
(スタフィロコッカスオーレウス) 13.Pseudomonas aeruginosa
(スードモナスアルギノーザ) その結果を表1に示す。
Mold: Glucose-peptone (GP) agar medium was inoculated, pre-cultured at 24 ° C. for 1 week, and 0.1 ml of the pre-cultured spore suspension was inoculated on a GP agar medium containing 2 ml of a specimen. After shaking culture at 24 ° C. for 168 hours, the presence or absence of proliferation was confirmed. The antibacterial activity was measured for the following bacterial species. Fungi 1. 1. Candida albicans (Candida albicans) Aureobasidium pullulans
(Aureobasidium pull lance) 3. Aspergillus niger 4. Pharma glomerata Alternaria dianticola
(Alternaria di Anticora) 6. Trichoderma 7. Penicillium citrinum 8. Chaetomium globosum Cladosporium sphaerospe
rmum (Cladosporium suylospermum) 10. 10. Fusarium moniliforme Bacteria 11. Escherichia coli (Escherichia coli) 12. Staphylococcus aureus
(Staphylococcus aureus) 13. Pseudomonas aeruginosa
(Pseudomonas alginosa) The results are shown in Table 1.

【0026】[0026]

【表1】 [Table 1]

【0027】[0027]

【発明の効果】以上詳細に説明した本発明によると、核
酸塩基と銀イオンとを結合してなる化合物として抗菌抗
かび剤を構成したことにより、この化合物を無機および
有機の固体担体や液体担体に担持させることができ、し
かもそれら担体に悪い影響を与えることがないという効
果を有する。
According to the present invention described in detail above, an antibacterial and antifungal agent is constituted as a compound obtained by binding a nucleobase and silver ion, and this compound can be used as an inorganic or organic solid carrier or liquid carrier. And has the effect that the carrier is not adversely affected.

【0028】さらに、抗菌抗かび効果や耐候性,耐熱
性、耐水性、強度にすぐれ、人体に対して安全性を有す
ると共に耐久性、残効性、経済性にすぐれるという効果
を有する。また、抗生物質耐性菌に対しても効果を有す
る。
Furthermore, it has excellent antibacterial and antifungal effects, excellent weather resistance, heat resistance, water resistance, and strength, and has excellent effects on the human body, as well as excellent durability, residual effect, and economy. It is also effective against antibiotic-resistant bacteria.

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 核酸塩基と銀イオンとを結合してなる化
合物を有効成分とすることを特徴とする抗菌抗かび剤。
An antibacterial and antifungal agent comprising, as an active ingredient, a compound obtained by binding a nucleobase and a silver ion.
【請求項2】 核酸塩基と銀イオンとを結合してなる化
合物を固体担体に担持させたことを特徴とする抗菌抗か
び材料。
2. An antibacterial and antifungal material comprising a solid carrier carrying a compound comprising a nucleic acid base and silver ions.
【請求項3】 核酸塩基と銀イオンとを結合してなる化
合物を液体担体に担持させたことを特徴とする抗菌抗か
び材料。
3. An antibacterial and antifungal material, wherein a compound formed by binding a nucleobase and silver ion is supported on a liquid carrier.
JP10186162A 1998-07-01 1998-07-01 Antibacterial antifungal agent and antibacterial antifungal material Pending JP2000016904A (en)

Priority Applications (1)

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Country Link
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003032944A1 (en) * 2001-10-12 2003-04-24 Aq+ Plc Anti-microbial composition comprising a metal ion chelating agent
US7125570B2 (en) * 2003-01-23 2006-10-24 Sinanen Zeomic Co., Ltd. Antibacterial composition
US7704530B2 (en) * 2001-09-14 2010-04-27 Kenji Nakamura Antimicrobially treated material and methods of preventing coloring thereof
US7863264B2 (en) 2000-09-29 2011-01-04 Coloplast A/S Stabilised compositions having antibacterial activity
CN111264543A (en) * 2020-01-09 2020-06-12 山东农业大学 Purine base plant immunity inducing agent and application thereof
WO2023286394A1 (en) 2021-07-16 2023-01-19 日本曹達株式会社 Harmful organism control composition

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7863264B2 (en) 2000-09-29 2011-01-04 Coloplast A/S Stabilised compositions having antibacterial activity
US7704530B2 (en) * 2001-09-14 2010-04-27 Kenji Nakamura Antimicrobially treated material and methods of preventing coloring thereof
WO2003032944A1 (en) * 2001-10-12 2003-04-24 Aq+ Plc Anti-microbial composition comprising a metal ion chelating agent
US7125570B2 (en) * 2003-01-23 2006-10-24 Sinanen Zeomic Co., Ltd. Antibacterial composition
CN111264543A (en) * 2020-01-09 2020-06-12 山东农业大学 Purine base plant immunity inducing agent and application thereof
CN111264543B (en) * 2020-01-09 2021-05-04 山东农业大学 Purine base plant immunity inducing agent and application thereof
WO2023286394A1 (en) 2021-07-16 2023-01-19 日本曹達株式会社 Harmful organism control composition
KR20240033225A (en) 2021-07-16 2024-03-12 닛뽕소다 가부시키가이샤 Composition for controlling harmful organisms

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