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Ralstonia solanacearum Secretions Induce Shifts in Macrolactin Composition and Reduction in Antimicrobial Activity of Bacillus amyloliquefaciens BNC5

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Using untargeted metabolomics, researchers uncovered the mechanisms underlying the battle between the plant wilt pathogen Ralstonia solanacearum and the biocontrol microbe Bacillus amyloliquefaciens BNC5. Normally, BNC5 produces antimicrobial macrolactins to eliminate its competitors. However, when exposed to substances secreted by R. solanacearum, the macrolactin profile shifted, resulting in reduced inhibitory efficacy. Interestingly, the researchers found …

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Non-invasive fingertip sweat biosensor for early kidney disease biomarker screening

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Accurate, non-invasive monitoring of creatinine is essential for assessing kidney function, with elevated levels indicative of chronic kidney disease (CKD). Sweat creatinine serves as a promising biomarker for kidney health. Similarly, sweat glucose monitoring is critical for detecting metabolic imbalances, particularly in diabetic kidney disease (DKD). Simultaneous detection of these biomarkers is vital for early …

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Colorimetric detection of arsenic(III) using iron(III) assisted tartrate stabilized gold nanoparticles

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Arsenic in water is a serious environmental concern because it is highly toxic. To help detect this dangerous substance, a new and easy-to-use method has been developed under the Environmental Analysis Research Unit (EARU) for the colorimetric detection of arsenite (As(III)) in water using ferric ion (Fe(III))- assisted tartrate-stabilized gold nanoparticles. When arsenic is in …

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Sustainability Workshop: Applications of Molecularly Imprinted Polymer Fabrication

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Workshop Program: November 24 – 27, 2025 Day 1 (November 24) Registration and Opening Ceremony Introduction to Molecularly Imprinted Polymers (MIPs) Fundamentals of Template Selection and Polymerization Chemistry Day 2 (November 25) Laboratory Session: Synthesis of Bulk MIP Materials. Characterization of MIPs (FTIR, SEM, …etc,). Laboratory Session: Optimization of MIP Synthesis Parameters. Day 3 (November …

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Training AI to Predict Anticancer Activity from Rationally Designed Flavones

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As artificial intelligence (AI)  continues to transform medicine and pharmaceuticals, its role in accelerating the discovery of bioactive compounds is becoming increasingly crucial.  A research team led by Assoc. Prof. Dr. Tanatorn Khotavivattana from the Department of Chemistry, Faculty of Science, Chulalongkorn University, in collaboration with experts from multiple institutions, designed and synthesized 89 flavone derivatives, …

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Size-Dependent Electrochemistry of Laser-Induced Graphene Electrodes

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Graphene is a popular and interested nanomaterial in terms of electrical properties, so it has been applied to fabricate electrodes for modern electronic devices and sensors. In this work, Dr. Pumidech Puthongkham and Dr. Supacha Wirojsaengthong’s group explored the properties of laser-induced graphene electrode, an emerging electrode in the present decade for using in electrochemical …

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Faculty Members and Students Received Awards from Chula

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Department of Chemistry congratulates our faculty members and students who received the awards from Chulalongkorn University in the year 2025.1. Assoc. Prof. Dr. Prompong Pienpinijtham – Student Affairs Award, Outstanding2. Assoc. Prof. Dr. Thanit Praneenararat – Teaching Award, Very Good3. Assist. Prof. Dr. Pumidech Puthongkham – Young Investigator Award in the Sciences and Technology4. Dr. …

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