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2004.11.30

ぬめりで効果持続の目薬−ドロってしてるんでしょうか

息子(4歳)は目薬が嫌いです。彼の嫌いなものは散髪、耳掃除、トマト、目薬のようです。結膜炎になったときに目薬を差すのにいつもプロレスでした(笑)

nillei.bpより「“ヌメリ”で目にとどまる目薬、ロート製薬が開発

ロート製薬は2004年11月26日、粘性を持つアルギン酸を利用して、目にとどまって薬剤の効果が持続する点眼薬(目薬)の製剤技術を開発したと発表した。品質を安定させながら、粘性などをコントロールする技術で、世界初という。花粉症対策の点眼薬などに応用できるとしている。
目薬がぬめるんですか(笑) 目医者に行ったときに目に塗り込まれるあの軟膏みたくなるんでしょうか(笑)

アルギン酸は昆布やワカメのヌルヌルしたぬめり成分です。天然の多糖類ですがよく化粧品などに増粘剤として利用されています。

ロートは独自の技術によって、アルギン酸で、品質を安定させながら、粘性や点眼後の滞留性を制御する技術を開発。これを基剤として使い、涙液との接触などで変化する点眼液を実用化した。薬剤が患部に滞留し、効果が持続するという。こうした手法は、患部に薬剤を集中的に送り込む「ドラッグデリバリーシステム」(DDS)として活用されている。
こういうのもドラッグデリバリーシステムというんですね。ナノテクの話かと思ってました。

でもこの目薬、挿すときもドロってしてるんでしょうか。落ちてくるまでに時間がかかりそう(笑)

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