JP6874940B2 - 回転式プラットフォームとして具現される多重重金属の定性及び定量分析デバイス - Google Patents
回転式プラットフォームとして具現される多重重金属の定性及び定量分析デバイス Download PDFInfo
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- 238000004445 quantitative analysis Methods 0.000 title claims description 91
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- JGUQDUKBUKFFRO-CIIODKQPSA-N dimethylglyoxime Chemical compound O/N=C(/C)\C(\C)=N\O JGUQDUKBUKFFRO-CIIODKQPSA-N 0.000 claims description 7
- OAEGRYMCJYIXQT-UHFFFAOYSA-N dithiooxamide Chemical compound NC(=S)C(N)=S OAEGRYMCJYIXQT-UHFFFAOYSA-N 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 7
- KSPIHGBHKVISFI-UHFFFAOYSA-N Diphenylcarbazide Chemical compound C=1C=CC=CC=1NNC(=O)NNC1=CC=CC=C1 KSPIHGBHKVISFI-UHFFFAOYSA-N 0.000 claims description 6
- 238000010979 pH adjustment Methods 0.000 claims description 5
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- SXYCCJAPZKHOLS-UHFFFAOYSA-N chembl2008674 Chemical compound [O-][N+](=O)C1=CC=C2C(N=NC3=C4C=CC=CC4=CC=C3O)=C(O)C=C(S(O)(=O)=O)C2=C1 SXYCCJAPZKHOLS-UHFFFAOYSA-N 0.000 claims description 4
- UOFGSWVZMUXXIY-UHFFFAOYSA-N 1,5-Diphenyl-3-thiocarbazone Chemical compound C=1C=CC=CC=1N=NC(=S)NNC1=CC=CC=C1 UOFGSWVZMUXXIY-UHFFFAOYSA-N 0.000 claims description 3
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Description
表3は、マイクロビーズが満たされたチャンバにpH7.7の試料を通過させた後、試料のpH変化を示す。注入された試料の量は、2mlであり、マイクロビーズが100mgの体積でチャンバに満たされた場合である。
Claims (14)
- 回転式プラットフォームとして具現される定性及び定量分析デバイスにおいて、
前記回転式プラットフォームの回転軸付近に位置し、重金属を含む流体試料が注入されるメイン注入部と、
前記注入された試料のpHが調節されるpH調節部と、
前記pHが調節された試料が展開されて試料の重金属と発色反応を起こしうるキレート剤が塗布された検出部と、
前記発色反応の展開距離の測定のためのスケールと、を含み、
前記デバイスの回転が制御されることにより、前記試料が前記メイン注入部からpH調節部を通って前記検出部に移動し、
前記検出部での重金属の発色反応を通じた定性分析及び前記発色反応の展開距離の測定を通じた定量分析が可能な、定性及び定量分析デバイス。 - 前記注入された試料が、チャネルで所望のpHで調節されるように、前記pH調節部は、マイクロビーズで満たされ、前記マイクロビーズの表面に塩がコーティングされた、請求項1に記載の定性及び定量分析デバイス。
- 前記pH調節部と前記検出部とを連結するリザーブ領域をさらに含み、
前記検出部の一端部は、前記リザーブ領域内に収容される、請求項1または2に記載の定性及び定量分析デバイス。 - 前記pH調節部、前記検出部、及び前記スケールは、複数個備えられ、
前記pH調節部、前記検出部、及び前記スケールのそれぞれは、前記回転式プラットフォームに放射対称に配される、請求項3に記載の定性及び定量分析デバイス。 - 前記メイン注入部の端部に連結されたメイン通路部と、
前記メイン通路部に連結された複数個の試料分配チャネルと、をさらに含み、
前記試料分配チャネルは、それぞれ前記メイン通路部から放射対称に延びた形状である、請求項4に記載の定性及び定量分析デバイス。 - 前記メイン注入部は、前記試料が注入される開口部及び前記注入された試料がそれぞれの試料分配チャネルに分配される前に試料を貯蔵する試料貯蔵所を含み、
前記試料貯蔵所と前記メイン通路部とが結合された形状は、螺旋状である、請求項5に記載の定性及び定量分析デバイス。 - 複数個の開閉弁をさらに含み、
それぞれの開閉弁は、それぞれの試料分配チャネルとそれぞれのpH調節部との間に備えられ、
前記回転式プラットフォームの回転力によって開閉弁が開放されて、前記試料分配チャネルに収容された試料が、前記pH調節部を通過する、請求項6に記載の定性及び定量分析デバイス。 - 複数個の空気循環チャネルをさらに含み、
それぞれの空気循環チャネルは、それぞれのリザーブ領域とそれぞれの検出部の他端部との間を連結し、
前記空気循環チャネルは、前記検出部での流体試料の蒸発速度を増加させ、前記検出部の凝結現象を防止する、請求項7に記載の定性及び定量分析デバイス。 - 前記回転式プラットフォームは、
前記メイン注入部、前記メイン通路部、前記試料分配チャネル、前記開閉弁、前記pH調節部及び前記リザーブ領域を含む上層部と、
前記検出部に対応する部分が開口された形状からなっており、前記空気循環チャネル及び前記リザーブ領域を含む中層部と、
前記リザーブ領域及び前記スケールを含み、前記検出部が挿入される空間が設けられた下層部と、
からなる、請求項8に記載の定性及び定量分析デバイス。 - 前記試料は、前記pH調節部に満たされたマイクロビーズを通過しながら、前記検出部で前記試料に含まれた重金属とキレート剤との反応に最適化されるpHで調節される、請求項1から9のいずれか一項に記載の定性及び定量分析デバイス。
- 前記試料に含まれる重金属は、Fe2+、Ni2+、Cu2+、Cr6+、Hg2+、As2+、Zn2+、Mn2+、Cd2+、Pb2+、Co2+、またはAg+である、請求項1から10のいずれか一項に記載の定性及び定量分析デバイス。
- 前記検出部にあらかじめ塗布されるキレート剤は、
バソフェナントロリン(Bphen)、ジメチルグリオキシム(DMG)、ジチオオキサミド(DTO)、ジフェニルカルバジド(DPC)、ジチゾン(DTZ)、エリオクロムブラックT(EBT)、または1−2−ピリジルアゾ−2−ナフトール(PAN)を含む、請求項1から11のいずれか一項に記載の定性及び定量分析デバイス。 - 前記デバイスの回転の制御は、
前記メイン注入部に注入された試料が、前記試料分配チャネルに移動するように、前記デバイスが1次回転してから停止し、
前記試料分配チャネルに移動した試料が、前記pH調節部を通って前記リザーブ領域に移動するように、前記デバイスが2次回転し、
前記リザーブ領域に移動した試料が、前記検出部に展開されるように、前記デバイスが停止する方式からなる、請求項6に記載の定性及び定量分析デバイス。 - 前記1次回転及び前記2次回転は、それぞれ1000RPMで30秒間行われる、請求項13に記載の定性及び定量分析デバイス。
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