Core Viewpoint - The article highlights the development of an in-situ gas chromatography-mass spectrometry (GC-MS) instrument and a tryptophan fluorescence sensor by the Dalian Institute of Chemical Physics, showcasing advancements in analytical technology for deep-sea research [1]. Group 1 - The Dalian Institute of Chemical Physics has successfully developed a deep-sea in-situ gas chromatography-mass spectrometry (GC-MS) system, which is expected to enhance the analysis of deep-sea environments [1]. - The newly developed tryptophan fluorescence sensor is designed to monitor biological processes in deep-sea ecosystems, providing valuable data for marine research [1]. - These innovations represent significant progress in the field of marine analytical technology, potentially leading to improved understanding of deep-sea chemical and biological interactions [1].