JP2020524278A - 回転式ディスクシステムを活用した重金属の定性及び定量分析デバイス及び分析方法 - Google Patents
回転式ディスクシステムを活用した重金属の定性及び定量分析デバイス及び分析方法 Download PDFInfo
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Abstract
Description
2:試料分析方法
3:定性及び定量分析システム
10:回転式プラットフォーム
20、20'、20"、20"':微細流体構造物
100:試料注入部
110:微細流体流路
120、120'、120":検出部
130:スケール
Claims (15)
- 回転式プラットフォーム及び前記回転式プラットフォーム上に放射対称に配される複数個の微細流体構造物を含む定性及び定量分析デバイスにおいて、
前記複数個の微細流体構造物のそれぞれは、
重金属を含む流体試料が注入される試料注入部と、
前記流体試料が検出部に移動することができる通路であり、
前記試料注入部と前記検出部との一端部を連結する微細流体流路と、
前記流体試料の重金属と発色反応を起こしうる有機物が塗布された検出部であって、
複数個の検出部材を含む前記検出部と、
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、
前記複数個の微細流体構造物のそれぞれは、
互いに異なる試料を収容し、
前記定性及び定量分析デバイスの回転が制御されることにより、
前記流体試料が前記試料注入部から前記微細流体流路に移動した後、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る定性分析及び前記発色反応の展開距離の測定を通じる定量分析が可能な
定性及び定量分析デバイス。 - 前記複数個の検出部材のそれぞれには、異なる試薬がそれぞれ塗布されている
請求項1に記載の定性及び定量分析デバイス。 - 前記複数個の検出部材のそれぞれは、互いに濃度が異なる有機リガンドでコーティングされた複数個の区間を含む
請求項1または2に記載の定性及び定量分析デバイス。 - 前記試料注入部と前記検出部との他端部の間を連結する空気循環チャネルをさらに含み、
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、
前記検出部の湿気結び現象を防止する
請求項1から3のいずれか1項に記載の定性及び定量分析デバイス。 - 前記流体試料に含まれる重金属は、Fe2+、Zn2+、Hg2+、Cr6+、Ni2+、またはCu2+である
請求項1から4のいずれか1項に記載の定性及び定量分析デバイス。 - 前記検出部材にあらかじめ塗布される有機物は、
ジメチルグリオキシム、バソフェナントロリン、ジチオオキサミド、ジチゾン、ジフェニルカルバジド、及び1−2−ピリジルアゾ−2−ナフトールからなるグループから選択される何れか1つを含む
請求項1から5のいずれか1項に記載の定性及び定量分析デバイス。 - 前記検出部は、前記複数個の検出部材のそれぞれの一端部と前記微細流体流路とを連結するリザーブ領域を含む
請求項1から6のいずれか1項に記載の定性及び定量分析デバイス。 - 前記検出部材のそれぞれは、
互いに濃度が異なる有機リガンドでコーティングされた複数個の区間を含み、
前記リザーブ領域からi番目に位置した区間にコーティングされた有機リガンドの濃度は、
前記リザーブ領域からi−1番目に位置した区間にコーティングされた有機リガンドの濃度よりも低く、
iは、1からnまでの自然数である
請求項7に記載の定性及び定量分析デバイス。 - 前記定性及び定量分析デバイスの回転の制御は、
前記試料注入部に注入された試料が、前記微細流体流路に移動するように、前記定性及び定量分析デバイスが1次回転してから停止し、
前記微細流体流路に移動した試料が、前記リザーブ領域に移動するように、前記定性及び定量分析デバイスが2次回転し、
前記リザーブ領域に移動した試料が、前記検出部で展開されるように、前記定性及び定量分析デバイスが停止する方式からなる
請求項7または8に記載の定性及び定量分析デバイス。 - 前記微細流体流路は、"U"字状の管からなる部分を含み、
前記1次回転以後及び2次回転以前に、前記微細流体流路の内部に前記流体試料を収容することができる
請求項9に記載の定性及び定量分析デバイス。 - 前記1次回転は、2000〜4000RPM未満に5〜20秒間なされ、
前記2次回転は、4000〜6000RPMで3〜10秒間なされる
請求項9または10に記載の定性及び定量分析デバイス。 - 請求項1から11のいずれか1項に記載の定性及び定量分析デバイスを利用した重金属を含む流体試料の分析方法において、
前記試料注入部に前記流体試料を注入する段階(ステップS1)と、
前記定性及び定量分析デバイスの回転を制御する段階(ステップS2)と、
前記検出部に展開された試料の定性及び定量分析のうち少なくとも1つを行う段階(ステップS3)と、
を含む
試料の分析方法。 - 請求項7から11のいずれか1項に記載の定性及び定量分析デバイスを利用した重金属を含む流体試料の分析方法において、
前記試料注入部に前記流体試料を注入する段階(ステップS1)と、
前記定性及び定量分析デバイスの回転を制御する段階(ステップS2)と、
前記検出部に展開された試料の定性及び定量分析のうち少なくとも1つを行う段階(ステップS3)と、
を含み、
前記定性及び定量分析デバイスの回転を制御する段階(ステップS2)は、
前記試料注入部に注入された試料が、前記微細流体流路に移動するように、前記定性及び定量分析デバイスを1次回転してから停止する段階(ステップS2−1)と、
前記微細流体流路に移動した試料が、前記リザーブ領域に流入されるように、前記定性及び定量分析デバイスを2次回転する段階(ステップS2−2)と、
前記定性及び定量分析デバイスの回転を停止して、前記リザーブ領域に流入された試料が前記検出部上で展開される段階(ステップS2−3)と、
を含む
試料の分析方法。 - 前記試料注入部に前記流体試料を注入する段階(ステップS1)は、
前記複数個の微細流体構造物のそれぞれに異なる種類の重金属を含む流体試料をそれぞれ注入する段階
または
前記複数個の微細流体構造物のそれぞれに同じ種類の濃度を異ならせる重金属を含む流体試料をそれぞれ注入する段階
を含む
請求項12または13に記載の試料の分析方法。 - 試料の定性及び定量分析のうち少なくとも1つを行う段階(ステップS3)は、
前記検出部に展開された前記流体試料の重金属の発色反応を通じる定性分析(ステップS3−1)
及び
前記発色反応の展開距離の測定を通じる定量分析(ステップS3−2)
のうち少なくとも1つを行う段階
を含む
請求項12から14のいずれか1項に記載の試料の分析方法。
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