JP6157582B2 - 抗菌性および生分解性特性を有する重合体複合材料およびその使用 - Google Patents
抗菌性および生分解性特性を有する重合体複合材料およびその使用 Download PDFInfo
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- JP6157582B2 JP6157582B2 JP2015501043A JP2015501043A JP6157582B2 JP 6157582 B2 JP6157582 B2 JP 6157582B2 JP 2015501043 A JP2015501043 A JP 2015501043A JP 2015501043 A JP2015501043 A JP 2015501043A JP 6157582 B2 JP6157582 B2 JP 6157582B2
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- alginate
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Description
本発明による複合材料の製造のために、以下の材料を準備した: 15000-20000 cpsの粘稠性を有するアルギン酸のナトリウム塩、グリセロール≧99.5(GC)、および無水塩化ナトリウム(Sigma-Aldrichから全て購入); 10% PVPIを含む100 mlのPVPI水溶液(その1%がPharmatek PMCから購入した活性ヨウ素であった)。
-膜1: 57% NaAlg、25% グリセロール、および18% PVPI;
-膜2: 52% NaAlg、22% グリセロール、および26% PVPI;
-膜3: 48% NaAlg、20% グリセロール、および32% PVPI.
パーセントは重量比で表わす。
例として、上記の膜3(48% NaAlg、20% グリセロール、および32% PVPI)の製造に用いた溶液を、CaAlg/PVPIビーズおよび縫合糸の各々の製造に用いた。
これらの試験において、2つの異なる微生物、とりわけ、グラム陰性菌の大腸菌ならびにヒトにおける口腔および生殖器日和見感染に関与する病原体として知られる真菌のカンジダ・アルビカンスに対して、スライドに塗ったNaAlg/PVPI膜の活性を試験した。上記の塗布スライド(以降、基質と称する)を異なる濃度の細菌および真菌でも試験して、その抗菌特性をより良好に決定した。
以下の組成のアルギン酸ナトリウム/PVPI膜を製造し、24時間のインキュベート後に試験した: (a) 純粋なアルギン酸ナトリウム (b)70% NaAlg, 30% グリセロール(可塑剤); (c) 57% NaAlg, 25% グリセロール, 18% PVPI; (d) 52% NaAlg, 22% グリセロール, 26% PVPI; (e) 48% NaAlg, 20% グリセロール, 32% PVPI;以下の組成の膜を24時間のインキュベート後に試験した: (f) 57% NaAlg, 25% グリセロール, 18% PVPI; (g) 52% NaAlg, 22% グリセロール, 26% PVPI および、(h) 48% NaAlg, 20% グリセロール, 32% PVPI.
製造された膜のカンジダ・アルビカンスに対する活性に関して、24時間のインキュベート後に、純粋なアルギン酸ナトリウムを含むコントロールサンプルおよび70%のNaAlgと30%のグリセロールを含むコントロールサンプルはいずれの抗真菌活性も示さなかったことが観察された。実際に、真菌カンジダ・アルビカンスの増殖は基質の上および周囲で認められている。しかしながら、PVPI複合体を含むサンプルをインキュベートした場合、膜の上および周囲で増殖は検出されなかった。さらに、大きな阻害領域の形成に起因してカンジダ・アルビカンスは膜から遠く離れた領域でさえも増殖できなかったことから、インキュベート中に薬物放出があったことが認められた。
実施例2の方法に従って、水に溶解させた過剰量のCaCl2を含む容器にNaAlg/PVPI水溶液の液滴を滴下することにより得られたアルギン酸カルシウム/PVPIのマイクロカプセルを、その抗菌および抗真菌活性について試験した。得られたビーズは約3 mmの平均寸法である。該アルギン酸カルシウムビーズはPVPI複合体/水の完全なカプセル封入を可能するとともに、滴下後に同じ量のPVPI複合体を水中に即座に放出する。
アルギン酸カルシウムビーズからのPVPIの動的放出を、1 gおよび8 gに相当する新たに製造した異なる数のビーズを水中に浸漬した後、λ = 360 nmでの吸光度を5分の時間間隔でモニタリングすることにより、測定した。この方法において、ビーズにカプセル封入されたPVPIの量を計算し、次いで、各培養物中でPVPIの最小殺菌濃度(MBC)および最小殺真菌濃度(MFC)に到達するのに必要なその量を計算する。
Claims (9)
- ポビドン-ヨウ素の複合体が分散されているアルギン酸塩のマトリックスから成るかまたはそれを含む、防腐作用を有する医療機器の製造のための複合材料であって、アルギン酸塩およびポビドン-ヨウ素の総量に対して60重量%〜76重量%のアルギン酸塩および40重量%〜24重量%のポビドン-ヨウ素を含み、さらにアルギン酸塩およびポビドン-ヨウ素の総量に対して5重量%〜35重量%の可塑剤を含むものであり、アルギン酸塩以外の糖類を含まない、該複合材料。
- 該マトリックスがアルギン酸ナトリウムもしくはアルギン酸カリウムまたは架橋したアルギン酸カルシウムである、請求項1に記載の複合材料。
- アルギン酸塩およびPVPIの総量に対して65重量%〜76重量%のアルギン酸塩および35重量%〜24重量%のPVPIを含む請求項1または2に記載の複合材料であって、タンパク質、ペプチド、精油、界面活性物質、ポリエチレングリコールまたはそれらの混合物から選択される、該材料の力学的特性を変化させることができる少なくとも1つの物質をさらに含む、該複合材料。
- 前記可塑剤が、グリセロールである、請求項1または2に記載の複合材料。
- 請求項1〜4のいずれか一項に記載の複合材料から成る、防腐性活性を有していて、PVPIの放出に適合した、膜、マイクロカプセルまたは縫合糸の形態の医療機器。
- 防腐剤としてPVPIが分散されている水溶性アルギン酸塩マトリックス、および適宜、可塑剤から成る、自立膜の形態の請求項5に記載の医療機器。
- 適宜、可塑剤、タンパク質またはペプチドの存在下において、PVPIが分散されている架橋したアルギン酸カルシウムから成る、マイクロカプセルの形態の請求項5に記載の医療機器。
- 水不溶性アルギン酸カルシウムのマトリックスから成り、PVPIおよび、適宜、グリセロール、タンパク質、ペプチド、精油、界面活性物質またはそれらの混合物から選択される縫合材料の力学的特性を増大させるための物質を含む、縫合糸の形態の請求項5に記載の医療機器。
- 外傷および創傷の治療的処置において用いるための、請求項1〜4のいずれか一項に記載の複合材料。
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| ITTO2012A000258 | 2012-03-21 | ||
| IT000258A ITTO20120258A1 (it) | 2012-03-21 | 2012-03-21 | Materiali compositi polimerici con proprieta' antimicrobiche e biodegradabili e loro usi. |
| PCT/IB2013/052245 WO2013140362A1 (en) | 2012-03-21 | 2013-03-21 | Polymeric composite materials with antimicrobial and biodegradable properties and uses thereof |
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| KR101592144B1 (ko) | 2015-06-19 | 2016-02-04 | 고려대학교 산학협력단 | 요오드 캡슐, 이의 제조방법 및 이를 포함하는 소금 |
| CN108670948A (zh) * | 2018-05-04 | 2018-10-19 | 江西新天地药业有限公司 | 一种纳米级微囊单分子聚维酮碘溶液及其制备方法 |
| GB2588440A (en) * | 2019-10-24 | 2021-04-28 | Io Cyte Ltd | Swellable antimicrobial fibre |
| GB2588439A (en) | 2019-10-24 | 2021-04-28 | Io Cyte Ltd | Swellable antimicrobial fibre |
| GB2588442A (en) | 2019-10-24 | 2021-04-28 | Io Cyte Ltd | Antimicrobial material |
| CN111671966B (zh) * | 2020-06-17 | 2022-01-28 | 浙江理工大学 | 一种医用缝合线及其制备方法与应用 |
| EP4419188B1 (en) * | 2021-10-18 | 2025-04-23 | Fremslife S.r.l. | Biomedical device for the treatment of ulcers or lesions |
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| US4373519A (en) * | 1981-06-26 | 1983-02-15 | Minnesota Mining And Manufacturing Company | Composite wound dressing |
| US4478853A (en) * | 1982-05-17 | 1984-10-23 | S. C. Johnson & Son, Inc. | Skin conditioning composition |
| FI852791A7 (fi) * | 1983-11-29 | 1985-07-16 | Avtex Fibers Inc | Mikrobisidisiä materiaaleja. |
| JP3254013B2 (ja) * | 1991-09-10 | 2002-02-04 | ジョンソン・アンド・ジョンソン・メディカル・インコーポレイテッド | 包帯材料およびその製造方法 |
| JPH11100323A (ja) * | 1997-09-29 | 1999-04-13 | Taiho Yakuhin Kogyo Kk | 外用医薬製剤 |
| CN1100543C (zh) * | 1998-03-27 | 2003-02-05 | 李勤耕 | 聚维酮碘膜剂 |
| JP2000038342A (ja) * | 1998-05-18 | 2000-02-08 | Kyowa Yakuhin Kogyo Kk | 褥瘡・損傷皮膚修復用製剤 |
| JP4841733B2 (ja) * | 2001-01-31 | 2011-12-21 | 三笠製薬株式会社 | 創傷治療用製剤 |
| BR0102637A (pt) * | 2001-05-17 | 2003-02-25 | Johnson & Johnson Ind Com | Curativo adesivo |
| WO2004011032A1 (ja) * | 2002-07-26 | 2004-02-05 | Mikasa Seiyaku Co., Ltd. | 外用剤 |
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| US20110171284A1 (en) * | 2010-01-11 | 2011-07-14 | Gilman Miles E | Povidone-iodine and sucrose wound healing dressing |
| CN102429862B (zh) * | 2011-11-29 | 2013-05-01 | 江苏德达医药科技有限公司 | 一种聚维酮碘眼用缓释滴眼液 |
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| CA2866782A1 (en) | 2013-09-26 |
| CA2866782C (en) | 2020-03-10 |
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