TWI220924B - Reading device, method, and system for conducting lateral flow assays - Google Patents
Reading device, method, and system for conducting lateral flow assays Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
- G01N33/54366—Apparatus specially adapted for solid-phase testing
- G01N33/54386—Analytical elements
- G01N33/54387—Immunochromatographic test strips
- G01N33/54388—Immunochromatographic test strips based on lateral flow
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/558—Immunoassay; Biospecific binding assay; Materials therefor using diffusion or migration of antigen or antibody
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Description
坎、發明説明: 【先前技術】 -定置的結果。一種薄膜 的薄裝置’特别裝置使用於診斷醫學,使用乡種内部及外部 、口位測Μ以提供在測試溶液中分析物定性及」 基礎测試裝朗形式爲橫向流動分析。 向⑽動77析爲賴基礎測試裝置,其中—個樣品被懷疑包含 :u /f物位在或接近_片末端。樣品由液_帶至薄膜片對邊末 ^由毛細作物過渾膜片。當橫過薄膜片時,分析物在測試樣品 ’右任何’遭遇一個或多個“捕捉”劑,其可以反應產生可偵測的信 唬0 家中使用的檢驗裝置如驗孕劑,及相似物現在完整被形成。家中使用 檢,傾向賴測人體内生魏變,客觀的促進個體健康。消費者增加健 康思識’且其爲顯著的優點若消f者能夠監控他錢的賴功能,包含 荷爾蒙濃度或相似。 k裡有不同的檢驗裝置,其表示人體的生理改變。進—步,其有許多 不同的檢驗裝置,其可由讀取檢驗片或測試樣品操作。—些設備使用勞 光放射,且其他使用光反射。 〜士美國專利編號623524m,Catt等人(“the Catt_t,,)使用與檢 心置連結檢驗、纟編f取機。_鋪討購得的設仙似⑶丨挪伽所 =如已知的 UMPATH CLEAR PLAN Easy® Fertlllty MQmtOT。此裝置如第 -圖所示,且包含-猶可義手握式蓋子(22)的生殖監控裝置(2㈠, 其在外殼(25 )上固定_個接收器(23 )。體液塗抹至測試片(24 ),且 測試片(24 )可放進接收器(23 )内,在此測試片㈤接收光線,其 閃過在測試片(24 )上的視窗(% )。接著,分析反射光的強度給予一個 結果。 -個生殖監控«的問題被描述,其不能提供練感度,在多數例子 中。-些分析物爲了醫學目的需要被監控,但不需要高縣度或精密的 儀备來精錢啦準確分析物的含量。許多—般可購得家用讀取裝置爲 低k唬干擾比’其根據不需要採用過多的薄片或環繞光線進入視窗。使 E:\PATENT\PK-001 08'pk-001-0825\PK-001-0S25.doc2003/5/l9 用反射基礎方式準確測量,其不可或缺的,多數薄片環繞光線降低或棑 除來達到高敏感度。其高度需要最大的信號干擾比,且增加這些讀取裝 置的敏感度。 另一個已知的家用讀取裝置如由Boehringer Mannheim Diagnostics 〇f Indianapolis,Indiana 46250 製造及分配的 ACCUCHECK®血糖計。 ACCUCHECK®裝置爲被設計爲家用確定血糖値的反射基礎儀器。此儀 器不使用橫向流動分析。反之,一個使用者指示放置一滴血液於測試塾 上。儀器的反射感應部份包含一個可移動的手把,與兩個矩形視窗。 企業需要爲一個設計橫向流動分析測試薄片的靈敏讀取裝置—種讀 取裝置提供快速放置測試片進入位置的有效且準確的方法來接收_個^賣 數或結果,當避免過多不需要的環繞及偏離光線。一種讀取裝置提供高 敏感度偵测荷爾蒙及不需要的相似物。有視窗的讀取裝置達到高度有用 的發射及反射光線讀取效率。 【發明内容】 本發明,一種橫向流動分析的讀取裝置,及一種引導分析系統被提 供。讀取裝置被構成來偵測薄片上的分析結果,其中結果由結合在薄膜 片偵測區的可偵測分析物呈現。分析讀取裝置包含一個外殼及一個在外 殼内的接收處。接收處可包含一個光線阻擋結構,且允許薄膜片直接從 外冗又外部進入。因此’ 一個海膜片直接嵌入接收處。接收處可被構成接 收最小的偏離或周遭光線進入讀取裝置。 一種接收機器亦包含提供電磁輻射,及一種或多種能夠偵測反射的電 磁輻射強度的感應器。輻射來源及感應器可爲在讀取機器中,因此當薄 膜片允許進入接收處時,在作用感應器前輻射作用在薄膜本發明另一個 具體實施例,一種測試套裝試劑提供,包含橫向分析讀取裝置及一個多 孔液體滲透薄膜片。 仍爲本發明另一個具體實施例,一種引導橫向流動分析的系統可被提 供來偵測存在於测試液體中的分析物數量。此系統包含一個探子結構來 產生一個可偵测的信號,及一個被設計來使测試液體流動的薄膜片。薄 E:\PATENT\PK-001 08\pk-001-0825\PK-001-0825.doc2003/5/19 6 1片ίΓ個侧區。進一步,讀取裝置如先前描述的被利用,盘接收 ====少的絲歧入綱。增爾⑽析結果 【實施方式】 現在所提將名具體實關,—種或多麵子在下面呈現。每—個例子 由本發明Ϊ細吟法提供,但不限制於本發明。事實上,其卿現這些 Τ技能,多樣料及改變可由本發明形成,除了背離本發明的目標及 S舉例’進一步的説明及描述如具體實施例部份可使用於另一個具 Θ-、施例產生更進_步的具體實施例。因此,其傾向於 的修飾紐變如進入巾請糊關目標内。 “斤 本發明’提供-種光學反射計或讀取裝置。讀取裝置可與橫向流動分 斤使用來提么、足畺的結果。計數裝置可被設計提供已改善的敢敢度及增 加丰確性。本發明得方法及紐可供應—種更準確及敏感替代直接薄膜 分析片光學試驗。 ,發明讀取裝置可包含多種複合物包含光源如光線發光二極體 (LED “)’或雷射,一個光束發射器,鏡子,發光半導體,樣品支架, 及”他光學;^合物,如進一步描述於此。在任何情況中,樣品支架提供 簡單肷入溥膜測試片,伴隨最少的環繞或偏離光線通過,因此降低干擾 ^頌取衣置4疋供一個已改善相當敏感的信號/干擾比。樣品支架可包 含有跳躍負載薄膜的機械性設計。在一些申請書中,至少兩種不同的停 止位置被提供給相同的薄膜測試片,其中第一停止位置可被使用來提供 個爹照項數,且第二停止位置可被使用來讀取偵測區或偵测位置正確 的樣品讀數。 本發明具體貫施例進一步説明於第二圖,其中讀取裝置(40)接收薄 月昇片(41 )進入接收處(45 )以提供結果。一個光線阻擋結構(28 )亦 •、員示。在薄膜片(41 )上的偵测區(42 )位於從參考區(犯)一些距離 的位置’其給予一條基礎線參考或口徑讀數。特别的具體實施例顯示, 當參考區(43 )朝内部時,偵測區(42)朝外部提供,但其必須辨識, E:\PATENTsPK-001 08\pk-〇〇 ι -〇825\PK-001 -0825.doc2003/5/19 U20924 這些各自的區域必須爲第二圖顯示的相反。 讀取裝置(40 )包含外殼(44 )及開關轉換器(49 ),及外殼内部(未 顯示於第二圖)。第二圖,顯示液晶螢幕顯示器(60)。 第二圖,光線阻擋結構(28)顯示於從讀取裝置(4〇)外殼(44)朝 絲,的複合物中。頂部料(5G)亦顯示。顯示於衫_裝置與第 -圖頌tf的裝置結合,且本質上爲相同的具體實施例。接收處㈠$ )由 底口P厚片(56 )結合於最低邊緣,且由頂部薄片(5Q)結合至其上部邊 緣。在接收處(45 )内唯一個壓力薄片,被嵌入於薄膜片(41)下。 壓力薄片(51)由在與薄膜片(41)彈力嚷和的彈力(52)握住^顯 π於第:圖)。然而’孔徑鱗多不同的樣式及大小,且最特别接近於薄 片上區域的大小及/或形式,其被檢驗。通道(53 )形成穿過薄膜片(41 ) 的導管被嵌入。螺絲釘(55a_d)將頂部薄片(5〇)支撐於外殼(44)頂 部下方。 ^ 在第一 a圖中,頜示頂邰溥板(5〇)底邊,暴露一個凹處(%)。在 凹處(58 )内存在一個壓力薄板(51 ),其中以彈力(52 )彈性售和支撐。 亦顯示光線吸收薄膜(57 ),其設立於薄膜片(q )頂部或上部表面上(見 第二圖)。光線吸收薄膜(57)作用如接觸孔# (54)的低反射樣品,允 許儀器標準化排除在感應器外殼内的内部反射作用。制的,此測定最 好由微處理器自動完成,當電力首先使㈣儀器時。進—步,光線吸收 薄膜(57)可吸收任何完全從薄膜片(41)傳送穿過的光線,因此此光 線不會朝祕器(92 )向下反射回去(見第五a圖)。在此方法中,讀取 裝置(40)的敏感度及信號/干擾比最大化。 光線吸收薄膜(57)可包含任何形式可吸收光線的材料,如黑色或暗 色棉絮,讎’金屬,Μ品,或其他材料。舉例,可使照相技術 的材料’其爲已知可被使韓吸收光線。此材料可爲有彈性及/或服貼, 且可以魏_包含。這_猶吸收薄膜(57)沒树殊的大小或形 狀,但其重要的光線吸收薄膜(57 )完全覆蓋薄膜片(41 )底下區域由 不需要的光線影響。-種光線吸收薄膜(57)隨意的特性可提供彈性或 服貼性使用氈織物或抛棄材料固定至測試片上。 ^ΡΚ-001 〇8\pk-〇〇 J -〇825\PK-001 -0825.doc2003/5/19 ο 1220924 第四圖顯示如第二圖4-4線接收處(45 )光線阻擋結構(28 )橫切圖。 接收處(45 )包含壓力薄板(5丨)其固定於頂部薄板(51)及底部薄板 (56)間。一個薄膜片(4丨)嵌入壓力薄板(M )底下,薄膜片州的 偵測區(42)可直接超過鍋線路徑(59)。由光源產生的光線(未顯示於 第四圖)如光線發光二極體(LED)沿箭頭(59a)朝上通過,且沿著箭 頭(5%)從薄膜片(41 )朝下反射如第四圖所見。 内邛光線發射且如弟一至四圖所示的讀取裝置辨識複合物需要與第 五至五a圖相似。 其重要的讀取裝置(4〇 )的敏感度,直接位在薄膜片(Μ )底部的光 線孔徑有一個大小其大致上爲薄膜片(41)上偵測處區(42)的大小。 另一個應用,孔控(在第四圖未顯示)可稍微比偵測區(42)大。在一 二本子中’孔徑可大於偵測區(42) ι·3或ι·8倍。然而,其被發現孔徑 ,近薄膜片(41 )上偵測區(42)的大小,較高的信號汗擾比可由讀取 裝置(4〇 )達成,且讀取裝置(4〇 )將會更敏感。進一步,薄膜片(41 ) 亦包含在薄膜片(41)上另-個位置的參考區(43)。參考區(43)可放 置在光線路徑(59 )穿過的地方爲了包含—個參考讀數或讀取裝置(4〇 ) 口復上。接著,第二步驟,伯測區(42)可放置在光線路經⑼)穿過 的財以包含樣品讀數。一個彈性體(52 )顯示橫過光線吸收薄膜(^ ), '、口疋於桃彳(41 )上。光線吸收薄膜(57 )能夠不需要從外面進入 =處(45)來吸收光線。進-步,光線吸收薄膜(57)能由穿過光線 :“二(59 )吸收光線,且完全穿過薄膜片(41 )。此提供偏離光線朝下反 射,改善敏感度。 _ ^發明-鱗換的具體實摘顯示於第五圖。提供—賴液晶勞幕顯 ( 74 )下方的光線阻擒結構(81 )。光線阻擒結構由頂部薄板(72) :口万;上部,且由底部薄板(%〉結合於底部。讀取裝置包含有 =處(64 )的外殼(73 )由夠狀物⑻結合於頂部之上。接收處⑹ =通道(68 )的-部份,其垂直移動如第五圖所示。—個孔徑(69 )(其 中弟五圖爲矩形樣式)位在通道(68)底部。第一凹口⑺)及第二凹 口(7丨)被提供如位在接收有核心(77)薄膜片的位置,將見於第五3 ΕΛ咖N雨,劃㈣抓略ρκ _825紀⑽卵 9 1220924 圖。螺絲釘(6% )及(67b )支撐在頂部薄板(72 )下方的鉤狀物(66 )。 夠狀物(66)的功能爲降低環繞光線數量,其靠近孔徑(69)作用,增 加讀取裝置(65)的敏感度,且改善結果包含的信號/干擾比。一個開關 轉換器(75 )顯示其靠近外殼(73 )右邊。 弟五a圖爲弟五圖沿5a-5a橫切概要簡圖頭示本發明利用的基礎内部 構造。螺絲釘(67a-b )在底部薄板(78 )上面支撐一個頂部薄板(72 ), 且亦有功能的握住釣狀物(66)至薄板(72)。橫切圖中,可見到光線吸 收蹲膜(8〇)位在薄膜片(Μ)上。一個核心(77)固定在第一凹處(7〇) 來在一適當位置呈現薄膜片(76 )來接收從光線發光二極體(led )( 9〇 ) 的光線⑼)。光線(91)移動至薄膜片(76),且接著沿著光線路經(93) 朝下反射至感應器(92 )。在一些申請書中,感應器(92)爲二極體。一 個外欲(73 )亦顯示,且可包含其他未顯示於第五a圖的複合物。 讀取裝置(65 )的基本概要圖顯示於第五b圖。在第五b圖中,有16 個特性的液純幕顯示器(74)顯示於第五b圖左邊。液晶營幕顯示器 (74 )連接至微控制器(95 )。微控制器(95 )直接在讀取裝置(& )上 作用,且控制光線發光二極體(LED) (9Q)规能量輸出,如第B圖 左下部。 同‘的U一極體接收光能量,且將這些能量轉換成信號,並傳送 至擴大機(79)’且接著至微控制器(95)。最後,數據輸出或分析數據 在液晶螢幕顯示器(74)上説明,如第五圖。 説明的輻射波長必須在超過可見的僧測器(發光二極體)波長一 般石夕膠發光二極體爲彻微米至議微米)内選擇。進_步,娜 ==必須選擇接近使_可侧婦之最大吸收波長如在橫向流動^ 折記疲。 其-般可接錢_可躺婦如分析中的賴或探子,轉由吸收 在可見或接近可見範_的光較蝴。舉例 濃 個肉眼可見的藍色’理想的電雜射爲黄色。微粒指二 或黄金溶液’非金屬材料溶液(如職 Τ 二3至 微粒爲合適的樣品,如進_步描述於此。瓜’寻:“聚苯乙烯) E:\PATENT\PK-OOI 0S\pk-001 -〇825\PK-0〇 1 -0825.doc2003/5/19 10 部由(90)代表的光源可包含全部可骑得的複合物全 線波i 谓得的led,s,最倾騎提供—個合適的光 二要〃可偵^則的材料濃縮在偵測區(42)被較強大的吸收。若 而要々,LED’s,其排列供給能量,可被使用。 於第^^=本^明具體貫施例頂部薄板(72 )更詳細的圖示,其顯示 θ 二(77)的海膜片(76)掛於第-凹處(70)以從薄膜 片L區(82)旱取讀數。接著’包含參考或測定讀數’薄膜 _伽,可吊己,且改變位置,囡此核心⑺)結合進第二凹處(71)。 ==⑴—_片(76 )上。測定區(η )接著放置於蓋 片二徑未顯示於第六圖)以包含測試樣品讀數。進入薄膜 片(76)的通道(68)顯示於第六圖。 ^ 7.7 〇 ±1,„T (67a.b) 中作因二板/72、)至泯邵薄板(78)。薄膜片(76)在通道(68) )固_一凹處(7〇)°光線吸收薄膜⑽位 Γ76) ° )μ的材枓,包含幾乎任何種類可以吸收光線的材料,如s色或 睹色棉絮,f毛織物,塑膠,金屬,或其他材料〇 ^ 本^^礎薄膜裝置包含數種複合物,包含—個薄膜,_個樣品签, “土,及—個毛細魯,或一種這些巧目的結合物。薄膜-般包含 個或多個偵測區及一個或多個控制或參考區。樣品_ ^請包含有樣品鲁’結合塾,偵测區及槪塾的液體樣 —動万向,-般從—末端提供至另—末端。—般,毛細塾幫助促進毛 細1㈢:亡夜體以—個方向流過薄膜片。櫬塾“推“包含分析物的液體 沿溥膜k溥膜一個末端至薄膜另一個末端。 使用於本發明的探子可包含珠粒或微粒。此珠粒或微粒可爲乳膠或其 他口 d材料如進—步私述於此。在—些中請書中,使用簡單微粒, 當其他可彻有親雜粒及/或結合在微粒練的抗體。微粒 以杂劑著色使峡,或勤職可見。在其他的通實關中,微封 Ι:'ρΑΤΕΝΤ\ΡΚ-( 001 〇S\pk-0OI-O825\PK-Q01-( °825 doc2〇〇3/5/l9 11 包含光線吸收材料如金屬,黄金,或銀微粒。黃金奈米微粒在—些申請 書中發現是適合的。 一 口 本發明-個應用,-個指出橫向流動分析系統被提供來偵測保留於測 試液體中的分析物數量。此系統包含使—娜子分析物結合複合物,A 能_生可偵_信號。進—步,薄膜片提供且構成;喊液體流通,其 包3探子及分析物結合。溥膜片包含—個偵測區,其中偵測區放置第一 捕獲劑。第-捕獲劑在測定區不動,且構成去_探子分析物結合至固 定的探子分析物結合物,因此在偵测區形成夾層複合物。 偵測線有包含-個固定第二捕麵(如抗體或其他結合物),其提供 由結合來固定未結合探子形成—個控娜子複合物(固定難)在捕獲 線上。當«的探子數量以此方法目定,可見的特殊線在—個發生在一 個或夕個/4膜片上的參j線。控制線可嵌人已之數量的第二捕獲劑。 在一些例子中,捕獲或控制線(或區)強度間的比較,或一些其他參 考標準,及薄膜片上的偵测線,計算存在於樣品中的分析物的量。此必 較步驟由進一部描述數於此的讀取裝置完成。 利用於此分析的薄膜片可爲纖維素酉旨,石肖酸纖維素一般提供好的結 果,但本發明不限制此種薄膜片的複合物。 其必須知道本發明可構成來偵測廣範圍的分析物,包含治療性藥物, 藥物溢用,荷爾蒙,維生素,糖蛋白(包含全部的抗體),胜肤,類固醇, 細菌或細菌性感杂,霉菌,病毒,寄生蟲,細菌產品或複合物,各種形 式的過敏原’各㈣式的柷體,—般或致命細胞產品或複合物,及相似。 下列分析物爲分析物例子可使用本發_試:Tsub4,Tsub3,毛地黄, hCG ’胰島素,茶驗’黄體素,產生或聯合多種疾病狀態的生物,如 streptococcus py〇genes(A #) , Herpes Simplex I ^ , cytomegalovims , chlaniydiae,及其他已知的技術。 美國專利編號4366241 (Tom等人)列出19至26行,多種潛在的分 析物爲免疫對的數量,包含蛋白質,血液凝結因子,荷爾蒙,微生物, 製樂劑,及維生素。任何種類適合仙的分析物如本發明的分析物。 好的配體或分析物的其他可被偵測的例子包含下列:人體骨頭驗性磷 E.>PATHNT\PK-〇〇l 08\pk-00i-0825\PK-001-0825.doc2003/5/19 1220924 酸抗原(HBAPAg );人體慢性性腺(咖);昔 滤泡刺激素(hFSH );基酸_酶Μβ異化 癌肛’ $ ==:r
^ b ),Α 土肝犬病母抗體,人體免疫缺煩病毒HIV 几 即 〇 ’ P41 ’ P31 ’ P24 ’ 或 Pl7 ; HIV11 抗原 P41 ;及個别抗 爾地蝴。峨多描述於 美國專利編號5_2,且在Gddei.blQQd等人,v 1987,全結合於此。 仙,探子“—般提及爲—輯構,其能齡橫向流動分析 中析物耗測區或位置,其可以或不可咖彡成粒子或微粒。進_ 此制“探子結合物“提及爲—種物質能夠在橫向流動分析中 4刀輪喊探子結合複合物’其在雜片制區結合第—捕獲劑, 在偵測區中變成“夾層複合物“。 如在此使用’ “微粒“特别提及微粒形式的探子,且可包含任何可愈 抗體結合的麵或探子,無論共價,或非共價如。—些微粒額外的 需求爲被使麟分量,餘結合賴,—般光吸附,其根據微粒所 在的區域至與較薄膜停止信號不同的信號。 隧心的’金屬械粒或金屬可被使用如本發明的探子。這些微粒爲商業 可購得如大致上商業—致直徑的微球體如脑此B峨u加議加蛾^ Cardiff, United Kingdom 〇 “薄膜“或“薄膜片“如在此使用意旨測試裝置或片其利用薄膜及 或夕種4__在順溶液巾分析物濃度,最好爲水制試溶液。 至少一種試劑與薄膜裝置聯合爲分析物的結合對。 使用於本發明的乳膠微粒爲商業可購得如有一致直徑的聚合微球體 (讀稱“聚合微球體“),如 Bangs Laborat〇ries 〇f c_d,Μ或 Dow Chemical Co· 〇f Midland,Michigan。雖然任何聚合微粒能夠吸附或共 價結合至結合對可被使用於本發明,聚合微粒一般包含一個或多個物質 包含苯乙烯,丁二烯苯乙烯,苯乙烯丙烯酸-乙烯酸聚物,聚乙基甲基 Ε\ΡΛΤΗΝΤ\ΡΚ-00! 〇S\pk-00! -0S25\PK-00! -0825. doc2003/5/! 9 13 1220924 丙缔酸’苯乙婦-順丁婦二奸共聚物,聚醋酸乙稀,聚嗓吟乙稀,聚二苯 乙烯,聚對苯二甲酸丁二酯,丙烯,氯乙烯_丙烯及相似物或一種醛基, 羧基,胺基,氫氧基,或聯胺衍生物。 非衍生聚合微粒。如聚苯乙烯,爲疏水性且被動的吸收疏水性物質, 包含許多蛋白質及抗體。在疏水部份吸收蛋白質或聚胜肽的技術由 Cantarero等人提供的“聚苯乙少希吸收蛋白質的特性及其在固相免疫分析 的重要性,分析生化學1〇5,3乃_382 ( !_ );及Ba嗯,“乳膠分析 “臨床免疫學分析,I3瓜⑶(测)全結合於此。 在,合微粒上多樣吸收分子的步驟亦被描述,在—般項目中,在別嗯, L· B·,一致性的乳膠微粒“存在於第μ屆國際研討會中,Ass〇c. Clm. Chem.,1989,及有效的印製於Seragen㈣簡―^Μ如叩啦 ind.;或GallGway,R. j·,“建立微粒測試及免疫分析“,如〇f Indiana,其結合於此。 H合液可爲生物液禮複合物,如從植物或動物萃取,稀釋,或濃縮, 最好爲哺乳類動物,更好爲人類。最好的生物液體爲血清,血漿,尿液, I水’腹膜;a ’關節液,腦脊髓液,或相似,或其濃縮或稀釋物。 本發明微粒^獲及樣品測試在同時可被指出在本質上相同的情況 下,因此ί疋供咼準確定量結果,且增加靈敏度。 ㈣月《用半定量偵測1夕竭嶋供信號強度範圍,偵測線 =賴度可舱獅比較(如舉例,視覺)。在侧賴度綱基礎下, =分析物可能的濃度。探子可純肺與任何信生物標記或已做 έ己的乳膠粒進一步與抗體結合。 ,了解—鮮凡的技術技能其目前討論僅爲具體實施例描述,且不傾 專====:無,此廣範咖爲具體細。本發明由
^-ΡΛΓΕΝΤ\Ι>Κ-〇〇ι 〇8\pk-00!-0825\PK-00I-0825.doc2003/5/lQ 1220924 元件圖示説明 21 fertility monitoring device 生殖監控裝置 22 cover 蓋子 23 receiver 接收器 24 test strip 測試片 25 housing 外殼 26 window 視窗 28 light barrier structure 光線阻擋結構 40 reading device 讀取裝置 41 member strip 薄膜片 42 detection zone 偵測區 43 reference zone 參考區 44 housing exterior 外殼表面 45 receiving port 接收處 49 no/off switch 開關轉換器 50 top plate 頂部薄板 51 pressure plate 壓力薄板 52 spring 彈力 53 channel 通道 54 perture 孔徑 55a screw 螺絲釘 55b screw 螺絲釘 55c screw 螺絲釘 55d screw 螺絲釘 56 bottom plate 底部薄板 57 light-absorbing member 光線吸收薄膜 58 recess 凹處 59a arrow 箭頭 59b arrow 箭頭 59 pathway 路徑 60 display 顯示器 64 receiving port 接收處 65 reading device 讀取裝置 66 hood 鉤狀物 67a screw 螺絲釘 67b screw 螺絲釘 Ε:\ΡΛΤΠΝΤ\ΡΚ-001 08\pk-001 -0S25\PK-001 -0825.doc2003/5/19 68 channel Ί 69 aperture 70 first notch --------_ ^------- 弟一' GO r? 71 second notch 弟二CD r? 72 top plate 頂部辱柄 73 housing 外殼 74 display 顯示器 75 on/off switch ------- < 口口 開關轉換哭 76 membrane strip 薄膜片 77 nub ------- ,,/、/ | —----一 ___ 核心 78 bottom plate ~—-—_ 底部薄板 79 preamplifier --- 1 y J ,·/入 擴大機 81 light barrier structure 一光線阻擋結構 82 detection zone 偵測區 83 reference zone 參考區 90 light emitting diode 光線發光二極體 91 sensor 感應器 91 light 光線 92 sensor _——-- 感應器 92 photo diode 發光二極體 93 light pathway 光線路徑 95 micro controller 微控制器 1220924 【圖式簡單説明】 第一圖爲先前描述的CLEARPLAN EASY®生殖監視器; 第二圖爲本發明讀取裝置具體實施例概要圖,顯示光線阻擋結構及接 收處, 第三圖爲讀取裝置概要圖示,其中接收處(45)朝上詳細揭示; 弟二a圖爲頂部平面底面圖示,顯示頂邵平面與壓力板的交互關係; 第四圖爲本發明一個具體實施例接收處沿第二圖4-4線的橫切圖; 第五圖爲本發明讀取裝置的替換具體實施例,其有一個通道在讀取裝 置上邵表面構成以接收薄膜测試片; 第五a圖爲沿第五圖5a-5a切線,讀取裝置薄膜片接收處橫切圖; E:\PATENT\PK-001 08 pk-〇〇l-〇825\PK-〇〇l-〇825.doc2003/5/l1·) 1220924 第五b圖爲讀取裝置的電子版面設計包含微處理器,液晶螢幕,及相 似; 第六圖爲先前第五圖具體實施例薄膜片接收部份關閉圖示,顯示一個 特殊用途,其中薄膜片包含扣住一個或多個凹處的小塊;且 第七圖爲第六圖沿7-7切線結構的橫切圖。 Ε: \ΡΑΤΕΝΤ\ΡΚ-001 08\pk-00! *0825\ΡΚ-001 -0825.doc2003/5/l 9 γη
Claims (1)
1220924 12. 薄膜片上分別區域大小的13仵。 一種包含如專利申請範圍第。^ 套裝試劑,與包含多孔= 的橫向流動分析讀取裝置之測試 液體滲透_的厚度騎磁的分析裝置結合,其中多孔 分析物與峡於該彳貞 ^H其巾分析結料由待測 被揭露出。 、化域中的黏合劑的直接或間接特殊結合而 13. 如專利申請範圍第12項的測試 電磁輻射反射偵測分析結果:J /、中頃取機器由從測量 a) 薄膜片的校正區,及 b) 薄膜片的口徑區, 14 其中比較在(a)及(b)間的測量值。 統包含―刻導橫向流動分析以_酬液财之分析物的系統,此系 ω能夠產生可_錢_子_分析物結合物; (C) b :種_片’此薄膜片包含偵測區,有第—捕獲劑的偵測區,1 中弟-捕«被構成來接聰子—分析物結合物㈣定探子—二 析物結合物在偵測區中形成夾層複合物;且 刀 -種讀取裝置’此讀取裝置可峨薄則制分析結果,讀取褒 置包含-個有外部及内部的外殼,及一個在外殼内可允許薄做 接從讀取ϋ核外織接進人讀取斜殼_之接㈣,接收部 份與光線喊結構可以導人最少的偏離光線進人讀取器,其中電 磁輻射光源及感應器位在讀取機器内因此當薄膜片允許進入^ 收位置時’電磁輕射在衝擊感應器前先衝擊在薄膜片上的伽 區。 15. 如專利申請範圍帛14項的系統,其中接收處包含一個接收處包含 一個背對薄膜片承受的壓力薄片。 16, 如專利申請範圍第15項的系統,其中壓力薄板係彈力負载。 17·如專利申請範圍第14項的系統,其中光線吸收物質提供於接收處 内以吸收散失光線。 E:\PATENViPK-(U)! 〇^Ρ^〇〇Ι-〇^25\ΡΚΟ()Ι-ΟΗ25-201)Μ2MUCHIN-^oc 19 +專牙j申喊圍第項的系統,其中光線吸收物質包含有彈性及 柔順的氈織物材料。 处士專和申圍第14項的系統,其中電磁輻射在進入接收區前先 牙過孔把。 ^如專利申凊範圍第19項的系統,其中孔徑為瘦長形。 如專利申睛範圍第19項的系、统,其中孔徑為圓形。 •如專利申凊範圍第19項的系統,其中孔徑區域大小不大於在薄膜 片上偵測區域大小的1· 8倍。 23·如專利申請範圍第⑶項的系統,其中孔徑區域大小不大於在薄膜 片上偵測區域大小的1· 3倍。 士專矛J申β月範圍第工員的讀取裝置,其中孔徑區域大小於在薄膜 片上^貞測區域大小_樣。 I ‘彳/、白〃IL動分析以偵測待測液體中分析物的量之方法,此 方法包含: (a) 在薄膜片上提供探子_結合物,探子_結合物構成以產生可偵 測信號, ' (b) 提供分析物於薄膜片上, (c) 使捸子~結合物接觸分析物以形成探子_分析物結合複合物; (d) 其中薄膜片可以移動包含探子與探子—分析物結合複合物的 測試液體,薄膜片包含偵測區, (e) 在偵測區提供第一捕獲劑,其中第一捕獲劑固定且可以吸附 探子-分析物結合複合物以固定探子-分析物結合複合物在 偵測區中形成夾層複合物; ⑴提供-個讀取裝置’此讀取裝置可以從薄膜片偵齡析物, 讀取裝置包含有外部及内部的外殼,及一個有光線阻擋結構 的接收處,接收處固定於外殼内允許薄膜直接從讀取器外殼 外部進入讀取器外殼内部; (g) 阻斷到達薄膜偵測區的環繞光線,因此增加敏感度; (h) 其中電磁輻射來源及感應器位在適當的位置,因此當薄膜片 Ε:\ΡΑΤΕΝΊΛΡΚ·η〇Ι 0^\pk-00l-0fi25\PK00l-()S25-2(mi230-CHlN-^^,-2.doc 1220924 進入接收區,電磁輻射衝擊薄膜片上的偵測區,且接著轉移 至感應器。
21 E:\PA ΤΕΝΆΡΚ-ΟΟΙ 08\ρ^00Ι-()825\ΡΚ()ηΐ-0<Ώ5-20031230-CH/N- ^^-2.doc
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-
2001
- 2001-12-24 US US10/035,013 patent/US8367013B2/en not_active Expired - Fee Related
-
2002
- 2002-11-13 DE DE60223402T patent/DE60223402T2/de not_active Expired - Fee Related
- 2002-11-13 AU AU2002363945A patent/AU2002363945A1/en not_active Abandoned
- 2002-11-13 BR BR0214478-6A patent/BR0214478A/pt not_active IP Right Cessation
- 2002-11-13 KR KR10-2004-7009947A patent/KR20040071750A/ko not_active Application Discontinuation
- 2002-11-13 WO PCT/US2002/037330 patent/WO2003058220A1/en active IP Right Grant
- 2002-11-13 CA CA002471370A patent/CA2471370A1/en not_active Withdrawn
- 2002-11-13 CN CNB02825984XA patent/CN100501387C/zh not_active Expired - Fee Related
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- 2002-11-13 EP EP02798460A patent/EP1459054B1/en not_active Expired - Lifetime
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- 2002-11-13 MX MXPA04006171A patent/MXPA04006171A/es active IP Right Grant
- 2002-12-19 TW TW091136620A patent/TWI220924B/zh not_active IP Right Cessation
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DE60223402D1 (de) | 2007-12-20 |
US8367013B2 (en) | 2013-02-05 |
BR0214478A (pt) | 2004-12-28 |
MXPA04006171A (es) | 2004-12-06 |
EP1459054B1 (en) | 2007-11-07 |
DE60223402T2 (de) | 2008-08-28 |
ES2291530T3 (es) | 2008-03-01 |
EP1459054A1 (en) | 2004-09-22 |
WO2003058220A1 (en) | 2003-07-17 |
CN1608201A (zh) | 2005-04-20 |
AU2002363945A1 (en) | 2003-07-24 |
CN100501387C (zh) | 2009-06-17 |
ATE377752T1 (de) | 2007-11-15 |
US20030119202A1 (en) | 2003-06-26 |
KR20040071750A (ko) | 2004-08-12 |
TW200305011A (en) | 2003-10-16 |
CA2471370A1 (en) | 2003-07-17 |
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