Search research articles

お問い合わせ

JoVEについて

概要リーダーシップブログ JoVEヘルプセンター

著者向け

出版プロセス編集委員会範囲と方針査読よくある質問投稿

図書館員向け

推薦の声購読アクセスリソース図書館諮問委員会よくある質問

研究

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments アーカイブ

教育

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual 教員リソースセンター教員サイト

プライバシーポリシー

関連する概念動画

Gas Chromatography: Types of Detectors-II

Gas Chromatography: Types of Detectors-II

In gas chromatography, different detectors are employed to meet specific analytical needs. These detectors are often categorized based on their detection mechanisms and the types of compounds they are best suited to analyze. Thermal Conductivity Detectors (TCD), Flame Ionization Detectors (FID), and Electron Capture Detectors (ECD) represent common categories, each with unique operating principles and applications. However, beyond these, several other detectors are designed for more specialized...

Photoluminescence: Applications

Photoluminescence: Applications

Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...

Determination of Crystal Structures

Determination of Crystal Structures

In the late 1800s, the revelation that light extended beyond visible wavelengths led to the discovery of X-rays by Wilhelm Roentgen. Recognized as high-energy electromagnetic radiation with short wavelengths, X-rays prompted exploration into their interaction with crystals. Max von Laue proposed in 1912 that the periodic arrangement of atoms, ions, or molecules in crystals would cause them to diffract X-rays, a hypothesis confirmed through experiments with copper sulfate and zinc sulfide...

Microbial Biosensors

Microbial Biosensors

Microbial biosensors are analytical devices that utilize living microbes to detect specific substances through measurable signals. These devices consist of two main components: biosensing organisms and signal-transducing elements. Biosensing organisms, such as Escherichia coli or Saccharomyces cerevisiae, are typically housed in multiwell plates connected to transducers, enabling rapid, real-time detection of target analytes.Signal Generation MechanismWhen a target analyte—such as...

こちらも読む

関連記事

共著者、ジャーナル、引用グラフによってこの研究に関連する記事。

並び替え

Same author

Pencil and Gold Electrode Materials for the Electrochemical Study and Analysis of Dinitrotoluene.

ACS omega·2024

Same author

Green IoT Event Detection for Carbon-Emission Monitoring in Sensor Networks.

Sensors (Basel, Switzerland)·2024

Same author

Advanced IoT Pressure Monitoring System for Real-Time Landfill Gas Management.

Sensors (Basel, Switzerland)·2023

Same author

Big data and machine learning for materials science.

Discover materials·2021

Same author

A wearable sensor for the detection of sodium and potassium in human sweat during exercise.

Talanta·2020

Same author

Direct Laser Writing of Four-Dimensional Structural Color Microactuators Using a Photonic Photoresist.

ACS nano·2020

Search research articles

関連する実験動画

Updated: Jun 26, 2026

$Synthesis and Operation of Fluorescent-core Microcavities for Refractometric Sensing$

Synthesis and Operation of Fluorescent-core Microcavities for Refractometric Sensing

Published on: March 13, 2013

クロリド選択性カリックス[4]アレン光学センサーは,尿素の機能とピレンエクシマーのトランスデュークションを組み合わせたものです.

Benjamin Schazmann¹, Nameer Alhashimy, Dermot Diamond

¹Adaptive Sensors Group, National Centre for Sensor Research, School of Chemical Sciences, Dublin City University, Dublin 9, Ireland.

Journal of the American Chemical Society

|June 29, 2006

まとめ

カリクセレンの足場を使って,新しい塩化物選択センサー (3) が開発されました. このセンサは,ラチオメトリックの光信号を発し,高感度と迅速な応答時間を備えたクロライドイオンを選択的に検出します.

さらに関連する動画

Optical Detection of E. coli Bacteria by Mesoporous Silicon Biosensors

Optical Detection of E. coli Bacteria by Mesoporous Silicon Biosensors

Published on: November 21, 2013

Excitation-Scanning Hyperspectral Imaging Microscopy to Efficiently Discriminate Fluorescence Signals

Excitation-Scanning Hyperspectral Imaging Microscopy to Efficiently Discriminate Fluorescence Signals

Published on: August 22, 2019

関連する実験動画

Last Updated: Jun 26, 2026

$Synthesis and Operation of Fluorescent-core Microcavities for Refractometric Sensing$

Synthesis and Operation of Fluorescent-core Microcavities for Refractometric Sensing

Published on: March 13, 2013

Optical Detection of E. coli Bacteria by Mesoporous Silicon Biosensors

Optical Detection of E. coli Bacteria by Mesoporous Silicon Biosensors

Published on: November 21, 2013

Excitation-Scanning Hyperspectral Imaging Microscopy to Efficiently Discriminate Fluorescence Signals

Excitation-Scanning Hyperspectral Imaging Microscopy to Efficiently Discriminate Fluorescence Signals

Published on: August 22, 2019

科学分野:

超分子化学超分子化学
アナリティカル・ケミストリー (Analytical Chemistry) とは
マテリアルサイエンス材料科学

背景:

カリックス[4]アレンの誘導体は,分子認識のための事前組織された支架を提供します.
ピレネの部分では,光シグナル伝達能力を提供します.
尿素機能群は,アニオン結合のための効果的な水素結合ドナーである.

研究の目的:

1,3-代替テトラ置換カリックス[4]アレンに基づく中性,塩化物選択センサーを開発する.
尿素とピレンの機能を統合して,比数学的光アニオンセンシングを行う.
選択性,感度,応答時間など,センサーの性能を評価する.

主な方法:

尿素とピレン単位を組み込んだテトラ置換カリックス[4]アレン誘導体 (3) の合成.
選択性と結合定数を評価するために,光スペクトロスコピーを用いたアニオン結合研究.
検出限界 (LOD) と応答時間の決定.
高性能液体染色法 (HPLC) は,製品の浄化に使用されます.

主要な成果:

開発された化合物 (3) は,塩化イオンを選択的に結合する.
クロライドの調整により,比数学的光反応 (エクシマーの消火,モノマーの上昇) が引き起こされます.
センサーは,塩化物の高い関連定数 (2.4 x 10(4) M(-1)) を示しています.
LOD (8 x 10(-6) M) と迅速な応答時間 (<3秒) が達成されました.
HPLCは,センサー化合物の効率的な浄化を容易にした.

結論:

カリキサレンベースのセンサー (3) は,優れた塩化物選択性と感度を示しています.
定数型光メカニズムは,実用的な光学センサー装置に適しています.
開発されたセンサーは,関連するメディアにおける塩化物検出に利点を提供します.