JP2017533347A - カテコール/キノン官能化層のためのプラズマ堆積法 - Google Patents
カテコール/キノン官能化層のためのプラズマ堆積法 Download PDFInfo
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- JP2017533347A JP2017533347A JP2017517242A JP2017517242A JP2017533347A JP 2017533347 A JP2017533347 A JP 2017533347A JP 2017517242 A JP2017517242 A JP 2017517242A JP 2017517242 A JP2017517242 A JP 2017517242A JP 2017533347 A JP2017533347 A JP 2017533347A
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- Prior art keywords
- quinone
- group
- catechol
- substrate
- groups
- 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.)
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- 238000000034 method Methods 0.000 claims abstract description 67
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- 125000001424 substituent group Chemical group 0.000 claims description 11
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 10
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- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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Abstract
Description
(a)2つの異種面間の付着を促進する能力。例えば、水性、湿潤性、または非水性環境下で、有機(例えば、タンパク質、酵素、合成ポリマー、天然ポリマー)または無機(金属(酸化物)(ナノ)粒子、ガラス、シリカ)の異種基材、表面、化合物、または粒子に結合または付着する能力。
(b)他のカテコール/キノン基、他の官能基(例えば、アミン、チオール、ヒドロキシル、カルボキシル基)または他の反応基のいずれかと、不可逆的(共有結合)または可逆的(水素結合、電子π−π相互作用)な化学架橋を形成する能力。
(c)治療、分析または環境的な用途において、アニオン種またはカチオン種、とりわけ、FeIIIなどの遷移金属を効率的にコーディネート(coordinate)する能力。
(d)可逆的な酸化還元能力。他の分子または金属に結合する優れた能力と共に、デバイス用途の刺激制御スイッチとして使用される。
(a)単純な1ステップの処理であり、溶媒を使用しないで乾燥状態で行われる。
(b)最小限の物質を使用し、最小源の排水を生成し、環境修復プロセスを必要とせず、工業用途に利用可能なので、環境に優しい方法であると考えられる。
(c)非基材特異性の表面処理方法であると考えられる。
(d)改変は頂面層に限定されるので、材料のバルク性には影響を与えない。
(e)一般的に、改変は、基材の全体に渡って均一になされる。
(f)堆積層の化学的性質、とくに、分子結合を制御するのに有用な官能基の密度は、プロセスパラメータを調節することによって細かく調整することができる。
(g)例えば無水物、カルボン酸、アミン、エポキシ、水酸基、ブロモ基などの様々な一般的な官能基を含むコーティングを、適切な有機前駆体を使用して堆積させることができる。
(h)堆積層が、湿潤化学法で使用される溶媒または可塑剤に関連する不純物を含まない。
両方のR8置換基が、カルボニル基である場合は、R8で置換された各炭素原子間の結合は単結合であり、
両方のR8置換基が、任意選択で保護された水酸基である場合は、R8で置換された各炭素原子間の結合は二重結合である。
キノン基および/または保護もしくは未保護のカテコール基で置換されたビニル系モノマー
キノン基および/または保護もしくは未保護のカテコール基で置換された非ビニル系分子
キノン基および/または保護もしくは未保護のカテコール基で置換された天然もしくは合成ポリマー
キノン基および/または保護もしくは未保護のカテコール基で置換されたビニル系モノマー、およびビニル系もしくは非ビニル系のコモノマー
キノン基および/または保護もしくは未保護のカテコール基で置換された非ビニル系モノマー、およびビニル系もしくは非ビニル系のコモノマー
キノン基および/または保護もしくは未保護のカテコール基で置換された天然もしくは合成ポリマー、およびビニル系もしくは非ビニル系のコモノマー
単結合、ハロゲン、
保護基、
実質的にポリ(アルキレン酸化物)
Dは、1−50の値を有する。
DC,%=ton/(ton+toff)*100
(a)プラズマ放電帯域への導入
(b)プラズマ放電後帯域への導入
(c)プラズマ放電またはプラズマ放電後帯域と接触する前の基材表面上への堆積
この準備的な実施例1では、N−(3,4−ジヒドロキシフェネチル)アクリルアミド(DOA分子(2))の合成を説明する。
この例では、バイオインスバイアード抗微生物面の作製を説明する。
この例では、市販のカテコール分子をモノマーとして使用した、バイオインスパイアされた抗微生物表面の作製について説明する。
この例では、バイオインスパイアされた抗生体膜の作製について説明する。材料は、Kaplanらにより発表された手法(Kaplan, J.B. agunath, C. Ramasubbu N. Fine D.H, J. Bacteriol. 2005, 185, 4693)に従って製造したディスパーシンB(DispersinB、抗生体膜酵素)を生体分子として使用すること以外は、実施例2と同じ材料を使用した。実施例2と同一のプラズマ堆積法を用いた。
この例では、バイオインスパイアされた、水の汚染除去用(以降、抗生物質の分解用)の表面の作製について説明する。
この例では、キノン基を有する予め形成されたポリマーのプラズマ堆積に基づく、バイオインスパイアされた抗生体膜面の作製について説明する。
Claims (16)
- 基材にカテコールおよび/またはキノン官能化層を付着させる方法であって、
(a)基材を用意するステップと、
(b)キノン基、保護もしくは未保護のカテコール基、キノン基および/または保護もしくは未保護のカテコール基で置換された分子、および/または、カテコール基および/またはキノン基の天然もしくは合成誘導体を少なくとも含み、前記キノン基が1,2−ベンゾキノン基であり、かつ前記カテコール基が1,2−ジヒドロキシベンゼン基である前駆体を用意するステップと、
(c)前記前駆体および前記基材に対してプラズマを照射し、前記基材上に、カテコールおよび/またはキノン官能化層を含むコーティングを形成するステップとを有することを特徴とする方法。 - 前記前駆体が、
キノン基、
保護もしくは未保護のカテコール基、
キノン基および/または保護もしくは未保護のカテコール基で置換されたビニル系もしくは非ビニル系分子、および/または、
1または複数の保護もしくは未保護のカテコール基および/またはキノン基を有するポリマーを含むことを特徴とする請求項1に記載の方法。 - 前記前駆体が、
キノン基および/または保護もしくは未保護のカテコール基で置換されたビニル系モノマー、
キノン基および/または保護もしくは未保護のカテコール基で置換された非ビニル系分子、
キノン基および/または保護もしくは未保護のカテコール基で置換されたポリマー、
キノン基および/または保護もしくは未保護のカテコール基で置換されたビニル系モノマー、およびビニル系モノマーおよび/または非ビニル系モノマー、
キノン基および/または保護もしくは未保護のカテコール基で置換された非ビニル系分子、およびビニル系モノマーおよび/または非ビニル系モノマー、および、
少なくともキノン基および/または保護もしくは未保護のカテコール基で置換されたポリマー、およびビニル系モノマーおよび/または非ビニル系モノマー
からなる群より選択される1または複数であることを特徴とする請求項1または請求項2に記載の方法。 - 重合開始剤の使用を含み、
前記重合開始剤は、好ましくは、前記ステップ(b)またはステップ(c)において添加されることを特徴とする請求項3に記載の方法。 - 前記ステップ(a)の前記基材が、有機基材または無機基材であることを特徴とする請求項1ないし4のいずれかに記載の方法。
- フリーラジカル開始剤の使用を含むことを特徴とする請求項1ないし5のいずれかに記載の方法。
- 前記前駆体が、
ドーパミン、
1,2−ジヒドロキシベンゼン、
ジヒドロキシフェニル誘導体(DHPD)、および/または、
ポリフェノールであることを特徴とする請求項1ないし6のいずれかに記載の方法。 - 前記ステップ(c)の前記プラズマが、低圧、中圧または大気圧下で実施される非平衡プラズマであることを特徴とする請求項1ないし7のいずれかに記載の方法。
- 前記ステップ(c)の前記プラズマは、電気的励起により生成されることを特徴とする請求項1ないし8のいずれかに記載の方法。
- 電気信号がパルス波形で送達されることを特徴とする請求項9に記載の方法。
- 前記キノン基が1,2−ベンゾキノン基であることを特徴とする請求項1ないし10のいずれかに記載の方法。
- 実質的に無溶媒下でコーティングが形成された基材であって、
前記コーティングが、カテコールおよび/またはキノン官能化層を含むことを特徴とする基材。 - 前記コーティングが、カテコール置換基および/またはキノン置換基で高度に官能化されていることを特徴とする請求項13に記載の基材。
- 前記基材が、無機基材または有機基材であることを特徴とする請求項13または14に記載の基材。
- 前記コーティングが形成された基材が、生体分子を含み、
前記生体分子が、天然または合成のペプチドまたはタンパク質であることを特徴とする請求項13ないし15のいずれかに記載の基材。
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