TW201908819A - 能夠檢測眼淚中葡萄糖含量的隱形眼鏡及其製備方法 - Google Patents
能夠檢測眼淚中葡萄糖含量的隱形眼鏡及其製備方法 Download PDFInfo
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Abstract
一種能夠檢測眼淚中葡萄糖含量的隱形眼鏡,包括一凝膠基體,所述隱形眼鏡還包括:鉑納米粒子,分散於該凝膠基體內;以及一生物感測器,設置於所述凝膠基體中,該生物感測器設有葡萄糖氧化酶。
Description
本發明涉及一種隱形眼鏡,尤其涉及一種能夠檢測眼淚中葡萄糖含量的隱形眼鏡及其製備方法。
研究表明,眼淚中的葡萄糖含量和人體血液中的葡萄糖的含量有確定的相關性,因此,可通過檢測眼淚中的葡萄糖含量間接推算出血糖值,從而達到無損檢測的目的。現如今,市場上已經出現帶有生物感測器的隱形眼鏡,能夠檢測眼淚中的葡萄糖含量。然而,長期佩戴隱形眼鏡的用戶會導致眼睛缺氧,從而引發紅眼病、角膜水腫、乾澀、視力模糊甚至細菌感染等一系列問題。
有鑑於此,有必要提供一種能夠檢測眼淚中葡萄糖含量的隱形眼鏡,能夠解決以上問題。
另,還有必要提供一種用於上述隱形眼鏡的製備方法。
本發明提供一種能夠檢測眼淚中葡萄糖含量的隱形眼鏡的製備方法,包括:提供一模具,該模具包括一公模和一母模,其中,該母模中開設有一凹槽;將一生物感測器放置於該凹槽中,該生物感測器設有葡萄糖氧化酶;向帶有該生物感測器的凹槽中倒入凝膠前驅體,所述凝膠前驅體包括親水性單體、交聯劑、光引發劑以及鉑納米顆粒;以及蓋合該公模和該母模,然後對蓋合後的該模具進行紫外光照射,使所述凝膠前驅體在所述紫外光照射下聚合而形成一凝膠基體,所述鉑納米顆粒分散於該凝膠基體中,且該生物感測器結合於該凝膠基體中,從而得到所述隱形眼鏡。
本發明還提供一種能夠檢測眼淚中葡萄糖含量的隱形眼鏡,包括一凝膠基體,所述隱形眼鏡還包括:鉑納米粒子,分散於該凝膠基體內;以及一生物感測器,設置於所述凝膠基體中,該生物感測器設有葡萄糖氧化酶。
在上述隱形眼鏡中,由於該凝膠基體中分散有鉑納米顆粒,而鉑納米顆粒可作為催化劑加速過氧化氫的分解速率,即,提高氧氣和水的生成速率,因此,所述隱形眼鏡不僅可檢測葡萄糖含量,而且可有效緩解長期佩戴隱形眼鏡時眼睛缺氧的問題。
請參閱圖1至圖5,本發明一較佳實施例提供一種能夠檢測眼淚中葡萄糖含量的隱形眼鏡100的製備方法,包括如下步驟:
步驟一,請參閱圖1,提供一模具200,該模具包括一公模201和一母模202。其中,該母模202中開設有一凹槽2020,該公模201上凸設有一凸塊2010。當蓋合該公模201和該母模202時,該凹槽2020與該凸塊2010配合而形成與待成型的隱形眼鏡100形狀匹配的成型空間(圖未示)。
步驟二,請參閱圖2,將一生物感測器10放置於該母模202的凹槽2020中。其中,該生物感測器10可用於檢測眼淚中的葡萄糖含量。
步驟三,請參閱圖3,向帶有該生物感測器10的凹槽2020中倒入凝膠前驅體,所述凝膠前驅體包括親水性單體、交聯劑、光引發劑以及鉑(Pt)納米顆粒。所述鉑納米顆粒的粒徑為5 nm-200 nm。
在本實施方式中,在所述凝膠前驅體中,所述親水性單體的質量百分比為68.4%-99.2%,所述交聯劑的質量百分比為0.03%-14.2%,所述光引發劑的質量百分比為0.12%-18.6%,所述鉑納米顆粒的質量百分比為0.001%-0.2%。
在本實施方式中,所述親水性單體可選自2-甲基丙烯酸羥乙基酯(HEMA)、N,N-二甲基丙烯醯胺(DMA)、甲基丙烯酸甲酯(MMA)、N-乙烯基吡咯烷酮(NVP)、聚乙二醇甲基丙烯酸酯(PEGMA)、三(三甲基矽基)矽烷(TRIPS)、聚二甲基矽氧烷(PDMS)、丙烯酸羥乙基酯(HEA)、甲基丙烯酸羥丙基酯(HPMA)、甲基丙烯酸二甲基氨基乙酯(DMAEMA)以及丙烯酸甲酯(MA)等中的至少一種。
所述交聯劑可選自乙二醇二甲基丙烯酸酯(EGDMA)、三羥甲基丙烷三甲基丙烯酸酯(TMPTMA)、N,N'-亞甲基二丙烯醯胺(MBAA)等中的至少一種。
所述光引發劑可選自苯偶姻甲基醚、二乙氧基苯乙酮、苯甲醯基氧化膦類引發劑、二甲基氨基苯甲酸乙酯、2-異丙基硫雜蒽酮、1-羥基環己基苯基酮、Darocure型引發劑以及Irgacure型引發劑(化工行業標準型號,如Irgacure1173)等中的至少一種。所述苯甲醯基氧化膦類引發劑可選自2,4,6-三甲基苯甲醯基二苯基氧化膦(2,4,6-trimethylbenzoyldiphenylophosphine oxide)、雙-(-二氯苯甲醯基)-4-N-丙苯基氧化膦以及雙-(2,6-二氯苯甲醯基)-4-N-丁苯基氧化膦等中的至少一種。
步驟四,請參閱圖4和圖5,蓋合該模具200的該公模201和該母模202,然後對蓋合後的該模具200進行紫外光照射,使所述凝膠前驅體在所述紫外光照射下聚合而在該成型空間內形成一凝膠基體20,所述鉑納米顆粒分散於該凝膠基體20中,且該生物感測器10結合於該凝膠基體20中,從而得到所述隱形眼鏡100。
其中,該生物感測器10包括一電極(圖未示),該電極中設有葡萄糖氧化酶(glucose oxidase, GOx)。當該生物感測器10與眼淚中的葡萄糖接觸時,由於凝膠的微觀結構特性,葡萄糖會進入該凝膠基體20並與周圍的氧氣在葡萄糖氧化酶的作用下反應產生葡萄糖酸和過氧化氫(H2
O2
),H2
O2
可分解生成氧氣和水,而鉑納米顆粒作為催化劑加速上述H2
O2
的分解速率,即,提高氧氣和水的生成速率。其中,上述葡萄糖的反應過程如下反應式所示:
下面通過實施例來對本發明進行具體說明。
實施例1
提供一模具200;將一生物感測器10放置於該母模202的凹槽2020中;向該凹槽2020中倒入凝膠前驅體(所述凝膠前驅體包括HEMA、EGDMA、Irgacure1173以及鉑納米顆粒,所述鉑納米顆粒的粒徑為52 nm,在所述凝膠前驅體中,HEMA的質量百分比為98%,EGDMA的質量百分比為0.82%,Irgacure1173的質量百分比為1.06%,鉑納米顆粒的質量百分比為0.12%);蓋合該公模201和該母模202後進行紫外光照射,紫外光照射的波長為365nm,所述紫外線照射的時間為12分鐘,從而制得所述隱形眼鏡100。
實施例2
提供一模具200;將一生物感測器10放置於該母模202的凹槽2020中;向該凹槽2020中倒入凝膠前驅體(所述凝膠前驅體包括HEMA、NVP、TRIS、TMPTMA、Irgacure1173以及鉑納米顆粒,所述鉑納米顆粒的粒徑為105 nm,在所述凝膠前驅體中,HEMA的質量百分比為25.1%,NVP的質量百分比為42.6%,TRIS的質量百分比為30.45%,TMPTMA的質量百分比為0.87%,Irgacure1173光引發劑的質量百分比為0.92%,鉑納米顆粒的質量百分比為0.06%);蓋合該公模201和該母模202後進行紫外光照射,紫外光照射的波長為365nm,所述紫外線照射的時間為23分鐘,從而制得所述隱形眼鏡100。
請參閱圖5,本發明一較佳實施例提供一種隱形眼鏡100。該隱形眼鏡100包括一凝膠基體20以及分散於該凝膠基體20內的鉑納米粒子(圖未示)。所述鉑納米顆粒的粒徑為5 nm-200 nm。所述鉑納米顆粒在所述凝膠基體20中的質量百分比為0.001%-0.2%。所述凝膠基體20中還形成有一生物感測器10。該生物感測器10可用於檢測眼淚中的葡萄糖含量。
在本實施方式中,所述凝膠基體20的材質可以是水凝膠或矽水凝膠。
在上述隱形眼鏡100中,由於該凝膠基體20中分散有鉑納米顆粒,而鉑納米顆粒可作為催化劑加速上述H2
O2
的分解速率,即,提高氧氣和水的生成速率。因此,所述隱形眼鏡100不僅可檢測葡萄糖含量,而且可有效緩解長期佩戴隱形眼鏡時眼睛缺氧的問題。
最後需要指出,以上實施例僅用以說明本發明的技術方案而非限制,儘管參照以上較佳實施例對本發明進行了詳細說明,本領域的普通技術人員應當理解,可以對本發明的技術方案進行修改或等同替換都不應脫離本發明技術方案的精神和範圍。
10‧‧‧生物感測器
20‧‧‧凝膠基體
100‧‧‧隱形眼鏡
200‧‧‧模具
201‧‧‧公模
202‧‧‧母模
2010‧‧‧凸塊
2020‧‧‧凹槽
圖1為本發明一較佳實施方式提供的隱形眼鏡的製造方法所使用的模具的結構示意圖。
圖2為在圖1所示的模具的母模中放置生物感測器後的結構示意圖。
圖3為向圖2所示的母模中倒入凝膠前驅體後的結構示意圖。
圖4為將圖3所示的母模蓋合併進行紫外光照射後的結構示意圖。
圖5為將圖4所示的紫外光照射後的得到的隱形眼鏡的結構示意圖。
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Claims (10)
- 一種能夠檢測眼淚中葡萄糖含量的隱形眼鏡的製備方法,包括: 提供一模具,該模具包括一公模和一母模,其中,該母模中開設有一凹槽; 將一生物感測器放置於該凹槽中,該生物感測器設有葡萄糖氧化酶; 向帶有該生物感測器的凹槽中倒入凝膠前驅體,所述凝膠前驅體包括親水性單體、交聯劑、光引發劑以及鉑納米顆粒;以及 蓋合該模具的公模和該母模,然後對蓋合後的該模具進行紫外光照射,使所述凝膠前驅體在所述紫外光照射下聚合而形成一凝膠基體,所述鉑納米顆粒分散於該凝膠基體中,且該生物感測器結合於該凝膠基體中,從而得到所述隱形眼鏡。
- 如申請專利範圍第1項所述的能夠檢測眼淚中葡萄糖含量的隱形眼鏡的製備方法,其中,在所述凝膠前驅體中,所述親水性單體的質量百分比為68.4%-99.2%,所述交聯劑的質量百分比為0.03%-14.2%,所述光引發劑的質量百分比為0.12%-18.6%,所述鉑納米顆粒的質量百分比為0.001%-0.2%。
- 如申請專利範圍第1項所述的能夠檢測眼淚中葡萄糖含量的隱形眼鏡的製備方法,其中,所述親水性單體選自2-甲基丙烯酸羥乙基酯、N,N-二甲基丙烯醯胺、甲基丙烯酸甲酯、N-乙烯基吡咯烷酮、聚乙二醇甲基丙烯酸酯、三(三甲基矽基)矽烷、聚二甲基矽氧烷、丙烯酸羥乙基酯、甲基丙烯酸羥丙基酯、甲基丙烯酸二甲基氨基乙酯以及丙烯酸甲酯中的至少一種。
- 如申請專利範圍第1項所述的能夠檢測眼淚中葡萄糖含量的隱形眼鏡的製備方法,其中,所述交聯劑選自乙二醇二甲基丙烯酸酯、三羥甲基丙烷三甲基丙烯酸酯、以及N,N'-亞甲基二丙烯醯胺中的至少一種。
- 如申請專利範圍第1項所述的能夠檢測眼淚中葡萄糖含量的隱形眼鏡的製備方法,其中,所述光引發劑選自苯偶姻甲基醚、二乙氧基苯乙酮、苯甲醯基氧化膦類引發劑、二甲基氨基苯甲酸乙酯、2-異丙基硫雜蒽酮、1-羥基環己基苯基酮、Darocure型引發劑以及Irgacure型引發劑等中的至少一種。
- 如申請專利範圍第1項所述的能夠檢測眼淚中葡萄糖含量的隱形眼鏡的製備方法,其中,所述鉑納米顆粒的粒徑為5 nm-200 nm。
- 一種能夠檢測眼淚中葡萄糖含量的隱形眼鏡,包括一凝膠基體,其改良在於,所述隱形眼鏡還包括: 鉑納米粒子,分散於該凝膠基體內;以及 一生物感測器,設置於所述凝膠基體中,該生物感測器設有葡萄糖氧化酶。
- 如申請專利範圍第7項所述的能夠檢測眼淚中葡萄糖含量的隱形眼鏡,其中,所述鉑納米顆粒的粒徑為5 nm-200 nm。
- 如申請專利範圍第7項所述的能夠檢測眼淚中葡萄糖含量的隱形眼鏡,其中,所述鉑納米顆粒在所述凝膠基體中的質量百分比為0.001%-0.2%。
- 如申請專利範圍第7項所述的能夠檢測眼淚中葡萄糖含量的隱形眼鏡,其中,所述凝膠基體的材質為水凝膠或矽水凝膠。
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TW106123257A TW201908819A (zh) | 2017-07-11 | 2017-07-11 | 能夠檢測眼淚中葡萄糖含量的隱形眼鏡及其製備方法 |
US15/658,483 US20190015022A1 (en) | 2017-07-11 | 2017-07-25 | Contact lens for detecting glucose level in tears and method for making the same |
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TW106123257A TW201908819A (zh) | 2017-07-11 | 2017-07-11 | 能夠檢測眼淚中葡萄糖含量的隱形眼鏡及其製備方法 |
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