The underappreciated diversity of furanocoumarins in grapefruits revealed by MassQL filtered molecular networking by Shilin Gong, Guoyu Bai, Yujuan Ban, Meixian Liu, Ying Liu, Yuyao Wu, Na Li, Jian-Lin Wu

“…The structural and functional diversity makes the comprehensive determination of coumarins in complex system necessary and challenging. Here a rapidly profiling strategy integrating LC–MS and mass data filter tool MassQL with molecular networking for coumarin focusing was established. …”
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Herrera complexity and shadows of spherically symmetric compact objects by Subhasis Nalui, Subhra Bhattacharya

“…We consider zero complexity systems and discuss its significance with respect to (wrt) formation of photon rings and hence shadows.…”
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Core features of positive mental health in adolescents and their protective role against psychopathology by Desiree Y. Phua, Chermaine S. M. Chew

“…This study seeks to understand adolescent positive mental health as a complex system by estimating the networks of components associated with positive mental health and their relationships to indicators of negative mental health. …”
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Economic Management within the Cossack Frontier in the Second Half of the 19th Century (Based on the Example of the Don and Azov Cossack Troops) by Petr A. Kolpakov, Ivan Yu. Yurchenko

“…The study concludes that economic management within the Cossack frontier involved a complex system of organizational and administrative measures tailored to the unique challenges of the region.…”
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