The Development of Digital Image Colorimetric Quantitative Analysis of Multi-Explosives Using Polymer Gel Sensors by Yudtapum Thipwimonmas, Adul Thiangchanya, Apichai Phonchai, Sittipoom Thainchaiwattana, Wachirawit Jomsati, Sunisa Jomsati, Kunanunt Tayayuth, Warakorn Limbut

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Cost-Effective Foam-Based Colorimetric Sensor for Roadside Testing of Alcohol in Undiluted Saliva by Krittapas Kaewnu, Kiattisak Promsuwan, Apichai Phonchai, Adul Thiangchanya, Dongsayam Somapa, Namchoke Somapa, Kunanunt Tayayuth, Warakorn Limbut

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A Simple and Rapid Spectrophotometric Method for Nitrite Detection in Small Sample Volumes by Yudtapum Thipwimonmas, Janjira Jaidam, Kritsada Samoson, Vacharachai Khunseeraksa, Apichai Phonchai, Adul Thiangchanya, Kah Haw Chang, Ahmad Fahmi Lim Abdullah, Warakorn Limbut

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