TWI250274B - Diffraction-based diagnostic devices - Google Patents

Diffraction-based diagnostic devices Download PDF

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TWI250274B
TWI250274B TW092112190A TW92112190A TWI250274B TW I250274 B TWI250274 B TW I250274B TW 092112190 A TW092112190 A TW 092112190A TW 92112190 A TW92112190 A TW 92112190A TW I250274 B TWI250274 B TW I250274B
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Taiwan
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antigen
mask
area
antibody
analyte
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TW092112190A
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TW200403430A (en
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David Cohen
Rosann Kaylor
Curtis Sayre
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Kimberly Clark Co
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Description

1250274 玖、發明說明: 【發明所屬之技術領域】 本發明爲關於-般偵檢培養基㈣分析物之細,且更特别的是 準備特足分析物雜偵檢器的伽,以表示分析物存於培養基中。 【先前技術】 有許多系統及設備可利用於偵檢在各種不同培養基上的各種廣 ’《分析物。無論如何,許多先前系統及設備較昂貴,且須訓練專家執行此 滅驗。需認清生物感測祕麵爲容易製造且價錄,並能夠確實且敏銳 偵檢分析物。舉例來説,參考美國專利編號第5,922,55()號、第6,細,256 號及第6,221,579B1號。 在製造生物感測系統的工業中已有各種不同進展。舉例來説, Kumar等人的美國專利編號第切如丨號乃描述包括聚合物基板(具有金 屬塗層)的设備。分析物特定接受層蓋印於塗料的電路基板上。當分析物固 疋至設備時,軸繞射_。紐舰設備(比如分光計)使用於測定繞射 圖案的存在。無論如何,此麵設備的缺點爲事實上繞射_無法被肉眼 享乎别口此$成的顯現没備需檢視繞射圖案。並且,此設備一般無法彳貞檢 較小的分析物,此無法產生顯著的繞射圖案。
Bogart等人的美國專利編號第5,482,83〇號描述包括具有旋光表 面的基板之設備,此顯示反應光碰撞的第彩。此第-撼彩定義爲 放射光的光譜分布。基板也顯示與第—個色彩不同的第二個色彩。第二個 色彩顯示刀析物在表面上時所反應的彳目同光線。彩至另—個的變化不 是使用儀器就是㈣眼測量。無論如何,設備的賴爲設備的費用較高, 以及控制晶片基板上之各種不同層的問題。 接觸印片拷貝技術已探測產生具有自動裝配的單層。美國專利編 號第5,922,55〇號描述具有金屬化薄膜的生物感測系統,此爲印刷俱觸印
Mavis-C.\侧SOFn專利\Pko〇1 〇8〜'〇845νρκ 〇〇1〇845 如施/而 1250274 片拷貝)-特足估計圖案的特有分析接受體。接受體材料固定至自動裝配單 層,並爲-特有分析物或一種分析物。選定的分析物可將分散光附著至金 屬化歸義的着關,藉由婦尺寸及分析物,接受體印刷引起 穿透光與/或者反射光發生繞射。以眼睛或任意以感測設備輕易看見產生的 繞射影像。美國專利職第6,_,256號描述具有金屬化雜的相似設備, 此根據印刷-特有估計圖案的特有分析物接受體。,256專利並不限定於自 動裝配單層,但指示可使職學連結至—表面的任何接受體。,256專利的 發明使用接觸印片拷貝圖案單層的方法,此乃利用微生物的黏合劑衍生 物。此一衍生物的範例爲硫醇。理想的接合劑可爲硫醇抗體或抗體片、蛋 白質、核酸、糖、碳水化合物或任何其他實用賴定分析物。舉例來説, 衍生物可藉由瓴醇而化學黏結至金屬表面(比如金屬化聚合物薄膜)。 對製造以繞射爲根據的生物感測系統而言,描述於上的接觸印片 拷貝技術之潛在發布在印刷作用期間有可能受印刷(即蓋印)的牵制。並 且,由於壓力及接觸變化爲固有的作用(即表面能量變化),有可能不規則 或物質塗油墨。 本發明爲關於可輕易製造及價位低的生物感測系統系統,此能夠 確實敏銳偵檢分析物,且避免有傳統微接觸印片拷貝技術之缺點的可能。 【發明内容】 發明的目的及優點將邵分在下面發表,或可由描述中顯而易見, 或可透過發明實施而學到。 本發明提供較不昂貴且敏感的生物感測系統設備、製造此生物感 測系統設備的方法以及偵檢培養基中感興趣的分析物之方法。 生物感測系統包括一層含有接受性材料(即原生質分子)的基板一 般一律運用在基板構件的整個表面上方。基板可爲各種廣泛適當材料的任 何一個,包括塑膠、包覆塑膠及玻璃的金屬、實用性塑膠及玻璃、矽晶片、
Mavis-C:\WINSOFT\$^IJ\Pk〇〇i.〇8^\〇845\pK.〇〇i.〇845.doc2003/8/25 6 1250274 荡、破璃等等。理想的是,絲爲撓性,比如聚合薄膜,此乃爲了促進製 仏作用。接文性材料可由許多已知技術(包括浸泡、喷灑、滾轉、纺布及任 何其他技術),其t接受性材料層-般可一律運用於基板的整個試驗表面上 方。發明也包括運用塗層的接觸印刷方法,只要此類方法可在一方式中傳 導,以防止不-致的噴墨及最初塗層作用期間的接觸污染。 然後接受性#料層定義絲㈣遮罩t放於基板下且之後以能 源照射基板使接受性材料無作用所得到的接受性材料的活化及未活化地 區《圖案,此接受性材料並不以遮罩庇護,因此暴露於照射能量。接受性 材料在降低細内無_,並不私共恤合顧結,包括感興趣的分析 物。 遮罩可包括庇護或保護地區及露出地區(舉例來説,空白、透明 或半透明地_及遮罩結射的孔相σ)祕何理_案。遮罩的露出地 區定義爲接錄餅的絲錢區的Μ,或遮罩的“賴”㈣tected) 地區定義活化接纽材槪區。因此群作雜截賴接受性材 料層的地區,且至少將附近地區暴露於照射能源中。 將了解發明並不限疋於遮罩的任何特殊圖案。實際上可能爲許多 及結合露出地區或開Π。在__實测中,圖絲基板之試驗表面上每 間隔約5微米有約1〇微米直後的圖素。 接又I·生材料層尤其選擇以能源照射,以使接受性材料的特定類型 無作用。發明並不關於任何特定騎、。糊來説,縣可爲光源,例如 紫外線光源、電子束、放射能源等等。 根據隨後生物感測系统露至含有感興趣分析物的培養基中,分析 物連結至活化地區中的接受輯料。織生物制系統將在與活化地區一 致的繞射圖案中繞射穿透光。繞射圖案可用肉眼看出,或任意以感測設備 看出。
Mavis-C:\WINSOFT\«^J\Pk001.08^\0845\PK-001-0845.doc2003/8/25 1250274 在分析物沒核播可見光的情形,因爲朗_養基峨下,分 析物太小,或不具有可察覺的折射率差異,可仙提高繞射的構件,比如 聚合物微分子。這錄分子可社黏合贼也可明確連輕分析物的接受 性材料。根據_分析物連接至接受性材料層以及微分子令的二個製成的 原生質分子,繞射影像可輕易由眼睛或任意以感測設備看出。 藉由“繞射”(diffraction)意謂當波由坊害展開越過物體幾何影 像限制的阻礙時之現象。當漏尺寸與波的波仙同,記錄絲^本發 明中,阻礙物爲分析物(有或沒有或添加微分子),且波爲光波。 在本發明的另-實施例中,將特有種類的微生物之營養物併入接 受性材料層。在此方式巾,非魏濃度的微生物可由第_次細本發明並 熱營養物的生祕_統,織在適合於連賴生物生長的航下培養生 物感測系統。允許微生物絲直到有足夠的微生物軸繞射圖案。 本發明提供可大量生產之低價、可棄式的生物感測系統。本發明 的生物感測系統可由單次試驗偵檢分析物,或可由多個試驗設備構成。本 發明使用的生物感測系統包括(但不受限)衣物(比如尿布)中的化學或生物 污染的錄,在ϋ«包裝食物(比如果料其錄料)中被微生物污染债 檢,以及在健康診斷用途(比如診斷抗原、微生物及血液成分的偵檢裝備) 中使用本發明的生物感測系統。需了解本發明並不限定任何使用或用途。 本發明的這些及其他特性將在下面詳述揭發實施例觀察後變得 顯而易見。 【實施方式】 目前發明將參照特有實施例做更詳細的描述。這些實施例經由發 明解釋提供實施例,並不意謂對發明有所限制。舉例來説,可使用另一實 施例描述或説明部分實施例的特性,以產生進一步實施例。在發明的範圍 及精神内,本發明意圖包括這些及其他變更及變動。
Mavis-C:\WINSOFT\ 專利 \Pk001 08〜\0845\ΡΚ-001 -0845.doc2003/8/25 1250274 本發明描寫改善生物感測設備的特徵,以及使用此生物感測設備 以碰及測定感興趣分析物在培養基内存在或數量的方法。可由本發明偵 檢的分析物包括(但不受限)微生物,比如細菌、眞菌及病毒。根據發明的 生物感測·較不料,且具讀錄接觸印做祕測系統的優點。 在-般用語中,本發明包含一作用,此作用定義爲在基板表面上 由光罩⑽oto-masking)此基板的特有分析物接受體材料之活化圖案。將一 般接受性材料_隨層翻於基板表面。遮罩置放於基板上方,且以能 源照射遮罩及基板。在本聽性中,“遮罩”作爲保護或庇護基板構件的 至少-地區或部分以免照射能源,並適合將至少—雜部分暴露於能源。 舉例來説’遮罩-般可爲具有保護區域印有任何随的透明或半透明空白 (例如材料片)。遮罩露出的爲保護區域相當於基板構件的露出地區。或者, 遮罩可簡單爲置放於基板上的單-物體。庇護物體下方的地區,因此定義 爲接受性材料的活化地區,且物體四周地區暴露於能源,且因此定義爲未 活化接受性材料的地區。或者,物體可具有相當於露出地區的開口圖案。 選擇能源使藉由遮罩暴露的接受性材料變成無活化。能源本質上 藉由自由基機制(radical mechanism)而破壞接受性材料的鍵結結構。在照射 步驟期間,庇護遮罩的保護地區下面之接受性材料。因此,根據除去遮罩, 定義活化及未活化接受性材料地區的圖案。將了解“圖案”(pattem)包括同 一活化地區及一未活化地區一樣少。根據隨後生物感測系統暴露於含有感 興趣分析物的培養基,此分析物將連結至活化地區中的原生質分子。分析 物結果爲可見繞射圖案中的穿透光與/或者反射光的繞射相當於活化地 區。如更詳細探討於下,增強器可使用於提高極小分析物的繞射。 考慮使用本發明偵檢的這些分析物包括(但不限定)細菌;酵母菌; 眞菌;病毒;風濕性因素;抗體(包括IgG、IgM、IgA、IgD以及IgE抗體);癌 胚抗原;鏈球菌群A抗原;病毒抗原;與自體免疫疾病、過敏原、腫瘤抗原有
MaviS-C:\WINSOFT\專利 \Pk001.08〜\0845\PK-001-〇845.d〇c2〇〇3/8/25 1250274 關的抗原;鏈球菌群B抗原、HIVI或HIVII抗原;或對這些及其他病毒的 宿主感應(抗體);特賴RSV的抗原或_毒的宿主驗();抗原;酵素; 贺爾蒙;多醣類;蛋白質;油脂;碳水化合物;藥品或核酸;沙門氏桿菌;念珠屬菌 種類(包括(但不Ρ艮定)綠色菌落以及Candida tropicalis);奈瑟氏球菌屬組Α、 B、C、Y及W sub 135、鏈球菌群肺炎、大腸桿菌、嗜血桿菌屬流行性感 冒類型A/B;衍生自微生物的抗原;PSA(前列腺特異抗原)及CRp(c_反應蛋 白貝)抗原;半抗原;濫用樂品;治療性藥品;環境藥劑;以及肝炎的特有抗原。 如此處所使肖感興趣的分析物”(analyte 〇f interest)爲認爲自生物樣本存在 或不存在的任何藥劑表示特殊健康狀態或情形。 也考慮可將特定種類的微生物之營養物併入接受性材料層。在此 方式中,可財發_生物制系統與併人的營養物至可躺培養基而债 檢出微生物的極低濃度,織在適當連結微生物生長情況下培養生物感測 系統。允許微生物生長直到有足夠的有機體形成一繞射圖案。當然,在一 些情形中,存有微生物,或可增加足_成_繞射_,此絲化接受性 材料地區中不需有營養物。 接爻性材料由明確能夠將感興趣的分析物連結爲其特徵。可使用 作爲接受性材料的各種材料僅由選擇性(關於任何選擇的樣本谈第二搭檔 結合的材料麵P_。接受性材料的财鋪之概次鋪包括毒素、抗 體、抗體片段、抗原、贺爾蒙接受體、寄生蟲、細胞、半抗原、代謝物、 過敏原、核酸、核子材料、自身抗體、血液蛋白質、細胞片、酵素、組織 蛋白質、酵素基板、獅、神經傳遞物f、病毒、病毒顆粒、微生物、蛋 白質、多_、螯合劑、藥品、適合體、縮氨酸以及特定連結對的任何其 他構件。此僅列出結合一些可塗至基板表面上的許多不同材料,以產生薄 的薄膜試驗系統。不論選擇感興趣的分析物,接受性材料設計成明確與感 興趣的分析物連結。
Mavis_C:\WINSOFTA 專称PkOOl .08〜\0845\PK-001-0845.doc2003/8/25 jq 1250274 含有感興趣分析物的基質或培養基可爲液體、固體或氣體,並可 包括體液(比如分泌黏液、唾液、尿液、糞便、組織、骨髓、大腦脊骨流體、 血漿、淋巴液、所有血液、唾液、缓和溶液、抽取溶液、精液、陰 物。包膜、胃、腹膜、胸膜或其他清洗物等等)。感興趣的分析物可爲抗 原、抗體、酵素、DNA片段、未觸動基因、rna片段、小分子、金屬、' 毒素、環境劑、核酸、胞體漿成分、毛髮或鞭毛成分、蛋白質、多醣類、 藥品或任何其他材料。舉例來説,細菌的接受性材料可明確連接一表面薄 膜成刀、蛋白質或油脂、多_、核酸或酵素。細菌特有的分析物可爲多 醣類、酵素、核酸、薄膜成分或感應細菌而由宿主產生的抗體。分析物的 存在或不存在可表示-傳雜赫(_或病毒)、_或其他代謝失調或 情形。分析物的絲或不絲可絲食物巾毒或其財翻示。分析物可 表示藥品溢用或可監視治療藥劑的程度。 所利用的科技中,大部分-般遇到的其中一試驗方式爲免疫分 析。無論如何,一般考慮運用於核酸、酵素/基板及其他配合基/接受體試 驗方式。縣疫分析而言,抗體可作爲接受性材料,或可爲祕趣的分析 物。接受性材料(舉例來説有抗體或抗原)必須在試驗表面的基板表面上形 成一安定較密集的反應層。假使發現一抗原,且抗體爲接受性材料,抗體 必須爲特有的感興趣抗原;且抗體(接受性材料)必須以能夠足夠將抗原保持 在4驗表面來連結抗原(分析物)。在一些情形中,分析物不能簡單地連結 接受性材料,但可引起接受性材料發生可察覺的變化。此交互作用可引起 在武驗表面上質量增加’或在試驗表面上減少接受性材料的數量。後面的 範例爲退化酵素或材料與特定、固定的基板交互作用。在此情形中在與感 興趣的分析物交互作用之前,一個可看見繞射圖案,但假使飛西物存在的 話則繞射圖案消失。透過分析物與接受性材料發生連結、雜敎或交互作用 的特定構造對此發明並不重要,但對使用於最後試驗儀式中的反應情形有
Mavis-C:\WINSOFT\^|IJ\Pk〇〇 l.〇8~\0845\PK-001 -0845.doc2003/8/25 11 1250274 影響。 除了產生簡單的繞射圖案外,分析物的圖案可允許在可見光中有 全像感應轉與/或者變化的影像。因此,在目前全像巾的全像或變化之外 觀將表示正向反應。由«光的繞生關射祕何雜,包括(但不 受限)根據分析物連結至接受性材料而由一圖案至另一個的轉化。尤其在較 佳實施例中,在分析物與本發明的生物感測系統接觸之後,在丨小時内變 得可辨别出繞射圖案。 相^據與分析物交互作用,產生繞射光的繞射光栅具有約1/2波長 的最小周期,並具有與四周培養基不_折辨。轉小的分析物(比如病 毒或分子)可間接使用較大的“繞射增強構件”(diffracti〇n enhandng element)(比如微顆粒’即特定的小分析物)來偵檢出。可偵檢的小分析物之 實施例包含以接受性材料(比如抗體)塗上增強顆粒(比如乳膠粒子或聚苯 乙烯板子)’尤其連結至感興趣的分析物。可使用於本發明的顆粒包括(但 不受限)玻璃、纖維素、合成聚合物或塑膠、乳膠、聚苯乙婦、聚碳酸鹽、 蛋白質、細菌或黴菌細胞、氧化矽、醋酸纖維素、碳等等。這些顆粒理想 下爲球狀,但顆粒的結構及空間外形對本發明並不重要。例如,顆粒可爲 長條狀、橢_、立方體、任意難等等。理想雛的紐尺寸範園大约 爲〇·1微米〜50微米,理想大約介於〇1微米及2 〇微米之間。顆粒的組成 對本發明並不重要。 理想的是,在基板上的接受性材料層尤其將連結至分析物上的抗 原決疋位(epitope) ’此與使用於連結至增強顆粒的抗原決定位不同。因此, 對偵檢培養基中的小分析物(比如病毒顆粒)而言,培養基首次置身於具有 特定接文性材料的乳膠顆粒。培養基中感興趣的小分析物將連結至乳膠顆 粒。然後,任意清洗乳膠顆粒,並置於具有活化接受性材料區域(含有特定 病毒抗體)的生物感測系統。然後抗體連結至乳膠粒子上的病毒顆粒,藉以
Mavis-C:\WINSOFT\專罕 IJ\Pk001 ·08〜\0845\ΡΚ-001-0845.doc2003/8/25 12 1250274 將乳膠粒子駄於與薄膜上活化地區相同的圖案。因爲連結的乳膠粒子將 引起可見光肋,形成麟随,此絲在液㈣有病毒顆仏描述使用 繞射增強顆粒的其他組成,舉例來説有美國專利編號第仰,579號,其 合併於此作爲參考。 各種廣泛册祕何-個可作減板,輯職受性概。此類 材料爲精職藝人士職知的技藝。舉例纽,基板刊成許多適當塑 膠、金屬塗佈塑膠及玻璃、實用性塑膠及玻璃、發晶片、㉝、玻璃等等的 任何其中-個。與其需要描述於此的光式樣_之硬式電路基板,已發現 熱塑性薄馳當適合。此類雜包括(但;^限)聚合物,比如:聚乙婦對 苯二甲酸制MYLAR®)、丙#骑_丁二埽_苯乙埽、丙婦骑_乙酸甲酷共聚 物、玻璃紙、纖維素聚合物(比如乙基纖維、_纖維素、路醋酸鱗維、丙 酸纖維素、鮮爲三醋酸酷、聚乙埽、聚乙埽_醋酸乙埽酷共聚物、離子化共 聚合物(乙烯共聚物)、聚乙埽·尼龍共聚物、聚_、甲基輯聚合物、聚 氟乙烯及芳香聚續胺)。舉例來説,其他適當的熱塑性物質及供應者可在參 考作業中發現,比如Modem Plastics批咖卬咖⑽349卯年组约的
McGraw-Hill Publishing 公司)。 在發明的一實施例中,熱塑性薄膜可具有一金屬塗層。有金屬塗 層的薄膜可具有大约5%〜95%之間的光學透明度。使用於本發明的熱塑性 薄膜之更理想的光學透明度大齡於2G%〜8()%之間。在本發明的理想實 施例中’熱塑性薄膜至少具有大约8〇%的光學透明度,且金屬塗層的厚度 乃足以維持約大於2G%的光⑽明度,@此可由任_反射光或穿透光產生 繞射圖案。此表示约20 nm的金屬塗層厚度。無論如何,在發明的一實施 例中,金屬厚度大约介於 1 nm〜1000 nm 之間。 沉積於薄膜上的較佳金屬爲金。無論如何,可使用銀、鋁、鉻、 鋼、鐵、錯、白金、鈇及鎳以及這些金屬的氡化物。氧化鉻可使用於製造
Mavis-C.\WlNs〇FT\lCf IJ\Pk〇〇i ,08~\0845\PK-001 -0845.doc2003/8/25 γ ^ 1250274 金屬化層。 可由任何傳統方法將接受性材料運用於基板。運用材料使一般一 疋塗在基板的整個表面(舉例來説有銅)。可理想運用接受性材料的非接觸 方法’以録應_間藉由接觸而除镑躺可驗。此非接觸方法包括 (但不文p艮)浸泡、喷灑、滾動、纺紗塗層及任何其他技術,其中接受性材 料層般了律運用於基板的整個試驗表面上方。簡單的物理吸附可發生 在4多材料上’比如聚苯乙埽、玻璃、尼龍或·精通技藝所熟知的其他 材料。固續有分析物接受輯料層的制實施辦涉分子附著,比如硫 醇或含有二硫化物化合物及金之間的可能性。一般性,含有約5〜綱〇細 厚的金維持在⑦晶片、麵絲合物_(比如MYLAR⑧雜)上。根據接 性材料溶液的顯露,特有分析物接受性附著至金的表面。 雖然並非最好’發明也包括接觸運用塗層的印刷方法。爲了塗上 大量減驗表敏維持接受性材料在制細的歡性及實職,所選擇的 技術將使所需的接受性材料減至最低。此技術也可將接受性材料運用或附 著至一定及再生方式中的基板。 也考慮接受性材料層可在基板上形成,作爲金屬化熱塑性薄膜上 的硫醇烷酯(alkanethiolate)、羧酸、氫氧氨酸及磷酸的自動組合單層。自動 組合單層有連結的接受性材料。參照文獻爲美國專利編號第5,922,55〇號, 此爲更詳述自動組合單層及製造單層的方法。'55〇專利完全合併於此作爲 參考。 遮罩可由任何適當材料形成,以庇護下面基板部分免受放射能 源。證實材料用於定義鍍金mylar⑧薄膜上的活化及未活化接受性材料 區域之圖案(塗有抗體溶液),此處能源爲UY光,乃爲具有保護或庇護區 域印有圖案的透明或半透明聚合物薄膜(比如MYLAR(g))。遮罩類型對具有 波長約大於或等於330 nm的光源有益。對具有波長約小於33〇nm的光源 1250274 屬保護區域的融合石夕遮罩 10微米且彼此間距约爲 。已發現 5微米的 而言,可使用石英或具有鍍鉻或其他金 假使活化區域定義爲-般具有直徑约爲 圓形爲適當的。 爲了照射遮罩及基板組合,可選擇任何適當能源。爲了活化感光 刎的特足類型,尤其選擇能源。舉例 处 〜、 止、、/s ,原可爲先源,例如紫外(UV) ' ^放顧等等。在—翻實施财,接受蹄料細蛋白質 爲根據的材料’比如抗體’且無作_源爲清光源傭器放置於w 光源-研間,使足喊抗懸_。發·不關於㈣光的任何特有 波長或曝光_。波長及曝光時間可依照接受性材料的特有_而變化。 其他適當縣可包括敏魏、電子束、各種不_型的鱗束(包如及 X射線來源)、柄細不晒度錢長(包括錄歧奴町等等的足 夠大的光束)。S了解許Μ源可明確適合使特有抗體或原生質分子無作 用。需關心的是能源不會破壞(例如融化)下面的基板或遮罩。 第一圖爲根據發明製造生物感測系統之一方法的概要表示。步驟 Α表示原生質分子作爲層(2)而運用於基板構件(4)。步驟Β表示遮罩(句配 置於基板構件上方。遮罩(8)包括露出或開口區域(1〇)及保護或庇護區域 ⑻。步驟C表示遮罩⑹及基板構件⑷組合以能源(12)照射。已知道在遮罩 ⑹的保護區域⑻下面的基板構件⑷被庇護免受能源(12)侵害。透過遮罩⑻ 的開口區域使暴露於能源(12)的原生質分子藉由能源(12)使無作用,且由遮 罩⑹的保護地區⑻保護的原生質分子剩下活化。步驟D表示遮罩⑹之後 的生物感測系統。生物感測系統包括接受性材料(2)的活化地區(14)以及無 作用地區(16)。活性(14)及無作用地區(16)的圖案相當於遮罩⑹之露出地區 (10)及保護地區(8)的圖案。 才艮據發明,生物感測系統具有使用於許多領域的廣大範圍。本發 明所使用的生物感測系統包括(但不受限)偵檢衣物(比如尿布)中的化學或
Mavis-C:\WINSOFT\iiIJ\PkO〇l ,08~\0845\PK-001 -0845.doc2003/8/25 15 1250274 生物污染,此-般在出售前包裝的食物(比如肉類、果汁或其他飲料)中由 微生物來倾綠,且在雌診_途(比如驗蛋自質、贺躲、抗原、 DNA、微生物及血液構成要素的診斷裝備)中使用本發明的生物感測系 統。本發明也可使用於隱形眼鏡、鏡片、窗玻璃、藥物玻璃瓶、溶劑容器、 水瓶、急师布、擦布等等來偵檢雜。在_f關中,本發明考慮油量 計形式,以將示範的基板安裝於油量計末端。在制時,油量計泡在液體 中’存有涉嫌的分析物,並允許停留數分鐘。然後除去油量計,然後任一 光投射經板,絲板由基板反射的输察。織觀察職繞射圖案, 然後分析物存於液體中。 在本發明的另-實施例中,多數分析試驗在相同支援下構成。長 條可提供數個隨的基板部分。每個部分具有不同接受性機,即不同分 析物。了解縣發明可絲板上力吐各種贿喊贿断構成,以使用 單一試驗偵檢培養基中的多個分析物。 在本發明的又另-實施例中,生物偵測系統可附著至一黏性的背 膠標籤(backed sticker)或移晝印花法(decai),然後此可置放於硬表面或容器 内壁。生物感測系統可置放於容器的内側表面,比如食物包裝紙或玻璃藥 水瓶。然後生物感測系統可想像測定是否有細菌污染。 發明進-步以下©範例説明,此在任何方式巾並不解釋成加以限 制於發喊園中。將了解在_發明敘述之後,將各種不同其他實施例、 變更及同等物分類’此本身可賴那些精職藝人士鋪違反本發明的範 圍及精神。 範例 75X50 mm的顯微鏡載玻片塗上聚苯乙烯,此作爲光式樣的基 板。最初,載破片以丙酮清洗。乾燥之後,載玻片置放於乙醇中之苛性鉀 的飽和溶液中1分鐘。然後載玻片隨著乙醇以水沖洗,並以過濾空氣吹乾。
Mavis-CA刪0FT\專獅飢〇8〜_聰〇〇1姻 16 1250274 乂後載坡片以六甲基二石圭氮燒(hexamethyldisilazane)處理1分鐘,並在旋轉 台上旋轉乾燥@3000RPM。最後在甲苯中2%的280,000MW聚苯乙埽溶 液運用於載玻片,然後旋轉乾燥@ 1200 RPM。塗有聚苯乙烯的載玻片浸 入 mg/ml 的單株抗 〇反應蛋白質抗體(Biospacific,#A58040136P,lot# A0640)溶液5分鐘。然後載玻片以〇 2um的過濾水清洗,並以過濾空氣 吹乾。 抗體層以4分鐘暴露222 nm光(Heraeus Noblelight,類型VG)經 過光罩而光式樣至未活化及活化地區。石英絡光罩由5 /xm直徑中央之間 (正影像)間隔15 am之六邊形的直描(direct-write)電子束產生。塗有抗體 的載玻片使用眞空框架而保持與光罩緊密接觸。熔凝矽石平凸透鏡使用於 對準光。 使用酵素試驗產生色彩沉澱來想像活化地區的圖案結果。共價連 接至西洋山菜過氧化膝的丨ug/mLC反應蛋白質溶液與式樣抗體表面反應 10分鐘,隨後以PBS(5〇 mM,pH7·4磷酸鹽缓衝物,丨5〇 mM氣化納)清洗。 然後將載玻片以過濾空氣吹乾。以四甲基聯苯胺(KPLNucr〇wel丨過氧化膝 基板’ #50-76-04以及KPL膜增強器,#50-77-01)的沉澱物預想剩餘的西洋 山菜過氧化勝(藉由C反應蛋白質的抗體辨識而侷限於活化地區)。 然後使用光學顯微鏡觀察沉澱物的圖案。第二圖爲在中央之間間 隔15 的5um直徑六邊形中,活化抗_c反應蛋白質抗體的相位差影 【圖式簡單說明】 第一圖爲根據發明在遮罩作用中爲了製造生物感測系統之方法 的概要表示。 第二圖爲根據發明於生物感測系統中在中央之間間隔15^m的 10 am直徑六邊形圖案中有活化抗C-反應蛋白質抗體的相位差影像。
Mavis-C:\WINSOFT\^IJ\Pk〇〇i .〇g^〇845\PK-001 -〇845.doc2003/8/25 j j 1250274 【圖式元件簡單說明】 2 receptive material layer 接受性材料層 4 substrate member 基板構件 6 mask 遮罩 8 mask 遮罩 10 exposed region 露出區域 12 energy source 能源 14 active area 活化地區 16 deactivated area 無作用地區
Mavis-C:\WINSOFTV^^IJ\Pk001.08~\0845\PK-001-0845.doc2003/8/25

Claims (1)

1250274 拾、申請專利範圍: 1· 一種繞射的診斷設備,其包含; 一基板構件; -接受性材料層,-般—律塗上基板構件的_面,該接受性材料 爲特定感興趣的分析物; 孩層上的接划績料之活化及絲化地區關案定義該層,該活 化及未活化地區由遮罩作卿成,其巾遮罩紐於絲板構件上方, 使得由该遮罩暴露的地區定義爲該接受性材料的<活化地區之圖 案,且由該遮罩庇護的地區定義接受性材料之活化地區的圖案;以及 其中當該生物感測系統暴露於含有感興趣分析物的培養基時,分 析物連結至該活化地區中的接受性材料,且之後促進穿透光或反射光 在與該活化地區一致的繞射圖案中繞射。 2·如申請專利範圍第1項的設備,其中該接受性材料的未活化地區在遮 罩作用中已用光源經過遮罩來照射。 3.如申請專利範園第1項的設備,其中該基板包含來自材料目錄的材 料,材料目錄由塑膠、包覆塑膠及玻璃的金屬、實用性塑膠及玻璃、 矽晶片、玻璃及箔。 4·如申請專利範圍第1項的設備,其中該基板構件包含塗有金屬的聚合 物薄膜。 5. 如申請專利範圍第4項的設備,其中該聚合物薄膜包含聚乙烯-對苯二 曱酸酯。 6. 如申請專利範園第4項的没備’其中该金屬選自由金、銀、絡、綠、 白金、紹、鐵、銅、钦、氧化金、氧化鉻、氧化銀或錐組成。 7. 如申請專利範圍第4項的設備,其中該金屬爲金。 8·如申請專利範圍第1項的設備,其中該繞射圖案可由肉眼看見。 Mavis-C:\WINSOFT\^^IJ\Pk〇〇l,〇8-\〇845\pK-〇〇i-〇845.doc2〇〇3/8/25 I2s〇274 9·如申請專利範圍第1項的設備,其中該接受性材料爲蛋白質。 1〇·如申請專利範圍第9項的設備,其中該接受性材料爲抗體。 U•如申請專利範圍第1項的設備,其中該基板構件在波長足以使該接受 性材料暴露經過該遮罩而無作用下以UV光照射。 12·如申請專利範園第1項的設備,其中該接受性材料爲至少其中一抗 原、抗體、核甘酸、螯化物、酵素、細菌、酵母菌、眞菌類、病毒、 細菌毛髮、細菌鞭毛材料、核酸、多酷類、油脂、蛋白質、碳水化合 物、金屬、賀爾蒙、適合體、縮氨酸以及該材料的個别接受體。 13·如申請專利範園第1項的設備,其中該感興趣的分析物爲至少其中一 細菌、酵母菌、眞菌、病毒、風濕性因素、IgG、IgM、IgA、IgD以 及IgE抗體、癌胚抗原、鍵球菌群A抗原、病毒抗原、與自體免疫疾 病、過敏原、腫瘤抗原有關的抗原、鏈球菌群B抗原、HIV j或HIv Π抗原、抗體病毒、特定對RSV的抗原、抗體、抗原、酵素、贺爾蒙、 多醣類、蛋白質、油脂、碳水化合物、藥品、核酸、奈瑟氏球菌屬組 A、Β、C、Υ及W sub 135、鏈球菌群肺炎、大腸桿菌、嗜血桿菌屬 /瓦行性感冒類型A/B、衍生自微生物的抗原、psa(前列腺特異抗原) 及CRP(C-反應蛋白質)抗原、半抗原、濫用藥品、治療性藥品、環境 藥劑或肝炎的特有抗原。 14. 一種製造繞射的診斷設備之方法,其包含的步驟有: 在基板構件的表面上方一般一律形成接受性材料層; 將遮罩置放於基板構件上方,遮罩具有一形狀,以便覆蓋基板構 件的至少一下面地區,同時暴露至少一附近地區; 照射基板構件,且遮罩與能源結合而足以使藉由遮罩而使露出地 區中的接受性材料無作用; 自基板構件除去遮罩;以及 Mavis-C:\WINSOFT\專称P_ 08〜\0845\PK-001 -0845.doc2003/8/25 20 I2s〇274 其中足義接受性材料的活化地區及未活化地區之最後圖案,未活 化地區相當鍊由遮罩露出的地區,且活化地區相當於下面遮罩的地 區,使得當生物感測系統暴露於含有感興趣分析⑯的培養基時,將分 析物連結至活化地區中的接受性材料,且之後促進與活化地區一致的 繞射地區中穿透光或反射光的繞射。 15·如中請專利麵第U項的方法,其包含從材料巾選域板構件,材料 由塑膠、包覆塑膠及玻璃的金屬、f用性塑膠及玻璃、石夕晶片、玻璃 及箔。 16·如申請專利範圍第Η項的方法,其中該基板構件包含塗有金屬的聚合 物薄膜。 •如申請糊翻第I6項的方法,其中絲合物薄膜包含聚乙婦-對苯 二甲酸S旨。 18.如申請專利範圍第16項的方法,其包含金屬選自由金、銀、絡、鎳、 β白金、銘、鐵、銅、鈇、氧化金、氧化絡、氧化銀或錯組成。 20如申請專利範圍第16項的方法,其中該金屬爲金。 β申π專她g|第I9項的方法,其包含將金塗層職於聚合物薄膜, 厚度爲1 nm〜1000 nm之間。 •如申請專利範圍第16項的方法,其包含可用_檢視活化地區的繞射 圖索。 =Μ請專利範園第Η項的方法,其中該接受性材料爲蛋白質。 ^如申清專利範園第22項的方法,其中該接受性材料爲抗體。 •如申請專利範園第Μ項的方法,其包含基板構件在波長足以使該接受 ^性封料暴露經過該遮罩而無作用下&υν光照射。 申清專利feM Η項的方法,其包含接受性材料選自至少其中一抗 原、抗體、核甘酸、螯化物、酵素、細菌、酵母菌、眞菌類、病毒、 Mavis-C:\WINSOFT\專和J\Pk001.08~\0845\PK-001 -0845.doc2003/8/25 21 1250274 細菌毛髮、細菌鞭毛材料、核酸、多醣類、油脂、蛋白質、碳水化合 物、金屬、賀爾蒙、適合體、縮氨酸以及該材料的個别接受體。 26.如申請專利範園第I4項的方法,其中感興趣的分析物選自至少其中一 細菌、酵母菌、眞菌、病毒、風濕性因素、IgG、IgM、IgA、IgD以 及IgE抗體、癌胚抗原、鏈球菌群A抗原、病毒抗原、與自體免疫疾 病、過敏原、腫瘤抗原有關的抗原、鏈球菌群B抗原、HIV I或HIV II抗原、抗體病毒、特定對RSV的抗原、抗體、抗原、酵素、賀爾蒙、 多醣類、蛋白質、油脂、碳水化合物、藥品、核酸、奈瑟氏球菌屬組 A、B、C、Y及W sub 135、鏈球菌群肺炎、大腸桿菌、嗜血桿菌屬 流行性感冒類型A/B、衍生自微生物的抗原、PSA(前列腺特異抗原) 及CRP(C-反應蛋白質)抗原、半抗原、濫用藥品、治療性藥品、環境 藥劑或肝炎的特有抗原。 之7 丄 •如申清專利範圍帛14項的方法,進-步包含定義多數開口經過理想圖 案中的遮罩,開口定義未活化地區的圖案。 IJ\Pk001.08〜\0845\PK-001 -0845.doc2003/8/25 22
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CA2483189C (en) 2013-01-29
BR0309416A (pt) 2007-02-21
KR20050008689A (ko) 2005-01-21
EP1502111A2 (en) 2005-02-02
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CA2483189A1 (en) 2003-11-13
AU2003221967A8 (en) 2003-11-17
RU2332672C2 (ru) 2008-08-27
US7223534B2 (en) 2007-05-29
RU2004131197A (ru) 2005-06-10
CN1646915B (zh) 2010-06-16
TW200403430A (en) 2004-03-01
US20030207253A1 (en) 2003-11-06
WO2003093822A2 (en) 2003-11-13
MXPA04010352A (es) 2005-02-17
AU2003221967A1 (en) 2003-11-17
CN1646915A (zh) 2005-07-27

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