JP5676441B2 - 水性適合性ナノ粒子の生成方法 - Google Patents
水性適合性ナノ粒子の生成方法 Download PDFInfo
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- JP5676441B2 JP5676441B2 JP2011517995A JP2011517995A JP5676441B2 JP 5676441 B2 JP5676441 B2 JP 5676441B2 JP 2011517995 A JP2011517995 A JP 2011517995A JP 2011517995 A JP2011517995 A JP 2011517995A JP 5676441 B2 JP5676441 B2 JP 5676441B2
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- 238000000034 method Methods 0.000 claims description 51
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
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- ZEUIOZPPYUDCRR-YLALLHFRSA-N 1-archaetidyl-1D-myo-inositol 3-phosphate Chemical compound CC(C)CCC[C@@H](C)CCC[C@@H](C)CCC[C@@H](C)CCOC[C@H](OCC[C@H](C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)COP(O)(=O)O[C@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](OP(O)(O)=O)[C@H]1O ZEUIOZPPYUDCRR-YLALLHFRSA-N 0.000 claims description 2
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- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 2
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- FJLUATLTXUNBOT-UHFFFAOYSA-N 1-Hexadecylamine Chemical compound CCCCCCCCCCCCCCCCN FJLUATLTXUNBOT-UHFFFAOYSA-N 0.000 description 5
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 2
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- 150000008054 sulfonate salts Chemical class 0.000 description 1
- 150000003459 sulfonic acid esters Chemical class 0.000 description 1
- MDDUHVRJJAFRAU-YZNNVMRBSA-N tert-butyl-[(1r,3s,5z)-3-[tert-butyl(dimethyl)silyl]oxy-5-(2-diphenylphosphorylethylidene)-4-methylidenecyclohexyl]oxy-dimethylsilane Chemical compound C1[C@@H](O[Si](C)(C)C(C)(C)C)C[C@H](O[Si](C)(C)C(C)(C)C)C(=C)\C1=C/CP(=O)(C=1C=CC=CC=1)C1=CC=CC=C1 MDDUHVRJJAFRAU-YZNNVMRBSA-N 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
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Description
a.可溶化基前駆体を可溶化基に変換することと、
b.前記可溶化基を含む結合リガンドにナノ粒子を接触させて、該結合リガンドをナノ粒子へ結合すること、を含む方法である。
-OR8(但し、R8は水素であるか、置換又は非置換アルキル基であるか、飽和又は不飽和アルキル基であるか、置換又は非置換及び飽和又は不飽和のアルキル基である)と、
-C(O)OR9(但し、R9は水素であるか、置換又は非置換、飽和又は不飽和の脂肪族基又は脂環式基であるか、置換又は非置換の芳香族基である)と、
-NR10R11(但し、R10及びR11は、独立して、水素であるか、置換又は非置換、飽和又は不飽和の脂肪族基又は脂環式基であるか、置換又は非置換芳香族基であるか、-NR10R11が所望サイズ(五員、六員又は七員環等)の窒素含有複素環を形成するようにリンクされている)と、
-N+R12R13R14(但し、R12、R13及びR14は、独立して、水素であるか、置換又は非置換、飽和又は不飽和の脂肪族基又は脂環式基であるか、置換又は非置換芳香族基である)と、
-NO2と、
-(-OCH2CH2)n-OR15(但し、R15は水素であるか、置換又は非置換、飽和又は不飽和脂肪族基又は脂環式基であるか、置換又は非置換芳香族基である)と、
-S(O)2OR16(但し、R16は水素であるか、置換又は非置換、飽和又は不飽和の脂肪族基又は脂環式基であるか、置換又は非置換芳香族基である)と、
-P(OR17)(OR18)O(但し、R17及びR18は、独立して、水素であるか、置換又は非置換、飽和又は不飽和の脂肪族基又は脂環式基であるか、置換又は非置換芳香族基である)と、
からなる群から選択されることができる。
<<カドミウム前駆体溶液(0.2M)>>
1.284gのCdO、19.1mlのオレイン酸及び30.9mlのODEを三つ口丸底フラスコに入れ、N2雰囲気下で250℃まで加熱した。溶液が無色になるまで温度を維持し(約20分)、次に冷却して使用可能状態とした(溶液は室温で凝固するため、非常に緩やかな加熱によって保温し撹拌を続けた)。
0.68gのCd(Ac)2・2H20、0.46gのZn(Ac)2、41mlのODE及び9mlのオレイン酸を丸底フラスコに入れ、真空下で全ての固体が溶解するまで加熱した。
一定分量のリガンド分子HS-C2H4-CONH-(PEG)~80-C3H6-CO2 -+NBu4(269.4μl、0.00377mmol)を、クロロホルム中のInP/ZnS/ZnO量子ドット(有機材料中で、4mg、PL=612nm、量子収量=50%、FWHM=95nm、TGA=78%)に添加して、合計量が4000μlの溶液を得た。反応混合物を均質化し、培養した(4時間)。
一定分量のリガンド分子Bu4N+-S-C2H4-CONH-(PEG)~80-C3H6-CO2 -+NBu4(281.3μl、0.00377mmol)を、クロロホルム中のInP/ZnS/ZnO量子ドット(有機材料中で、4mg、PL=612nm、量子収量=50%、FWHM=95nm、TGA=78%)に添加して、合計量が4000μlの溶液が得られた。反応混合物を均質化し、培養した(4時間)。
Claims (26)
- ナノ粒子結合基及び可溶化基前駆体を含むナノ粒子結合リガンドを用いて、水性適合性ナノ粒子を生成する方法であって、
a.可溶化基前駆体を可溶化基に変換することと、
b.前記ナノ粒子結合基及び前記可溶化基を含むナノ粒子結合リガンドにナノ粒子を接触させて、該ナノ粒子結合リガンドをナノ粒子に結合することを含み、前記ナノ粒子結合リガンドは、20〜500のエチレンオキシド反復単位を含み、硫黄−亜鉛結合によりナノ粒子に結合する、方法。 - 前記可溶化基前駆体の変換は、ナノ粒子結合リガンドを十分な量の前駆体改質剤に接触させて、該ナノ粒子結合リガンドに存在するほぼ全ての可溶化基前駆体を可溶化基に変換することによってわれる、請求項1の方法。
- 前記可溶化基前駆体の変換は、ナノ粒子結合リガンドを、該ナノ粒子結合リガンドに存在する可溶化基前駆体の量に基づく略化学量論量の前駆体改質剤に接触させることにより行われる、請求項1の方法。
- 前記可溶化基前駆体の変換は、該前駆体をイオン化剤で処理することにより行われる、請求項1、2又は3の方法。
- 前記可溶化基前駆体の変換は、該前駆体をルイス酸又はルイス塩基化合物で処理することにより行われる、請求項1、2又は3の方法。
- 前記可溶化基前駆体の変換は、該前駆体を有機塩基で処理することにより行われる、請求項1、2又は3の方法。
- 前記可溶化基前駆体の変換は、該前駆体をアンモニウム塩又はアルコキシド塩で処理することにより行われる、請求項1、2又は3の方法。
- 前記アンモニウム塩は、水酸化テトラメチルアンモニウム、水酸化テトラエチルアンモニウム、及び水酸化テトラブチルアンモニウムからなる群より選択される、請求項7の方法。
- 前記可溶化基前駆体の変換は第1溶媒の中で行われ、ナノ粒子と前記可溶化基を含むナノ粒子結合リガンドとの接触は、別個の第2溶媒の中で行われる、請求項1乃至8の何れかの方法。
- 可溶化基前駆体はイオン性基を含む、請求項1乃至9の何れかの方法。
- 可溶化基前駆体は、硫黄、窒素、酸素及びリンからなる群より選択される1又は複数の原子を含む、請求項1乃至10の何れかの方法。
- 可溶化基前駆体は、水酸化物、アルコキシド、カルボン酸、カルボン酸エステル、アミン、ニトロ、ポリエチレングリコール、スルホン酸、スルホン酸エステル、リン酸及びリン酸エステルからなる群より選択される、請求項1乃至10の何れかの方法。
- 可溶化基は荷電又は極性群である、請求項1乃至12の何れかの方法。
- 可溶化基前駆体は、水酸化物塩、アルコキシド塩、カルボン酸塩、アンモニウム塩、スルホン酸塩及びリン酸塩からなる群より選択される、請求項1乃至10の何れかの方法。
- ナノ粒子結合リガンドはルイス塩基である、請求項1乃至14の何れかの方法。
- ナノ粒子結合リガンドは、硫黄、窒素、酸素及びリンからなる群より選択される原子を含む、請求項1乃至15の何れかの方法。
- ナノ粒子結合リガンドは、チオ基、アミノ基、オキソ基及びリン基からなる群より選択される種を含む、請求項1乃至15の何れかの方法。
- 前記結合基と前記可溶化基はリンカーを通して接続される、請求項1乃至17の何れかの方法。
- 前記リンカーは共有結合され、共有結合は、炭素原子、窒素原子、酸素原子又は硫黄原子;置換又は非置換、飽和又は不飽和の脂肪族基又は脂環式基;及び置換又は非置換の芳香族基からなる群より選択される、請求項18の方法。
- 前記の可溶化基前駆体含有ナノ粒子結合リガンドは、メルカプトカルボン酸である、請求項1乃至9の何れかの方法。
- 前記メルカプトカルボン酸は、アミン基及びアミド基からなる群より選択される官能基を含む、請求項20の方法。
- 前記ナノ粒子は半導体ナノ粒子である、請求項1乃至21の何れかの方法。
- 前記ナノ粒子はコア、コア/シェル又はコア/マルチシェルのナノ粒子である、請求項1乃至22の何れかの方法。
- 前記ナノ粒子は、CdS、CdSe、CdTe、ZnS、ZnSe、ZnTe、InP、InAs、InSb、AIP、AIS、AIAs、AISb、GaN、GaP、GaAs、GaSb、PbS、PbSe、Si、Ge、MgS、MgSe、MgTe及びそれらの組合せからなる群より選択される1又は複数の半導体材料を含む、請求項1乃至23の何れかの方法。
- 請求項1乃至24の何れかの方法を用いて生成された水性適合性ナノ粒子であって、ナノ粒子結合リガンドに結合されたナノ粒子を含み、前記ナノ粒子結合リガンドはナノ粒子結合基と可溶化基とを含む、水性適合性ナノ粒子。
- 20〜500のエチレンオキシド反復単位を含むメルカプトカルボン酸に硫黄−亜鉛結合により結合されたナノ粒子を含む、水性適合性ナノ粒子。
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| GB0901857D0 (en) * | 2009-02-05 | 2009-03-11 | Nanoco Technologies Ltd | Encapsulated nanoparticles |
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| CN102159503A (zh) | 2011-08-17 |
| JP2011528624A (ja) | 2011-11-24 |
| US8741177B2 (en) | 2014-06-03 |
| IL210726A (en) | 2014-09-30 |
| TWI513795B (zh) | 2015-12-21 |
| EP2307317B1 (en) | 2019-10-30 |
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