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New metal complexes of 1H-benzimidazole-2-yl hydrazones: Cytostatic, proapoptotic and modulatory activity on kinase signaling pathways.
Arch Biochem Biophys
November 2024
Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., build. 9, 1113, Sofia, Bulgaria; University of Chemical Technology and Metallurgy, 8 Kliment Ohridski Blvd., 1756, Sofia, Bulgaria. Electronic address:
The copper complexes of two 1H-benzimidazole-2-yl hydrazones were obtained by complexation with copper chloride. The molecular structure of the complexes was studied by microchemical analysis, SEM-EDX, IR and micro-Raman spectroscopy and DFT calculations. It was found that both ligands form 1:1 complexes with the copper, where the Cu ions are coordinated by N-atom from the benzimidazole ring, N-atom of the azomethine bond, O-atom from the ortho-OH group of the aromatic ring and one chlorine atom.
View Article and Find Full Text PDFMicrowave-assisted extraction, separation, and chromogenic detection of laced marijuana for presumptive point-of-interdiction testing.
Lab Chip
September 2024
Department of Chemistry, University of Virginia, Charlottesville, Virginia 22904, USA.
Presumptive drug screening enables timely procurement of search and arrest warrants and represents a crucial first step in crime scene analysis. Screening also reduces the burden on forensic laboratories which often face insurmountable backlogs. In most scenarios, on-site presumptive drug screening relies on chemical field tests for initial identification.
View Article and Find Full Text PDFJanus Flexible Device with Microcone Channels for Sampling and Analysis of Biological Microfluidics.
Langmuir
July 2024
School of Manufacture Science and Engineering, Key Laboratory of Testing Technology for Manufacturing Process, Ministry of Education, Southwest University of Science and Technology, Mianyang 621010, P. R. China.
Controlling the spontaneous directional transport of droplets plays an important role in the application of microchemical reactions and microdroplet detection. Although the relevant technologies have been widely studied, the existing spontaneous droplet transport strategies still face problems of complex structure, single function, and poor flexibility. Inspired by the spontaneous droplet transport strategy in nature, an asymmetric wettability surface with microcone channels (AWS-MC) is prepared on a flexible fabric by combining surface modification and femtosecond laser manufacturing technology.
View Article and Find Full Text PDFMigratory history of the threespine stickleback in western Ireland.
Heliyon
April 2024
Department of Zoology, National University of Ireland, Galway, University Road, Galway, Ireland.
Microchemical analysis of trace elements in otoliths and bio-mineralised earstones of teleost fishes is an emerging approach to analysing the environmental migratoryand life histories of fish species. The migration history of the three-spine stickleback () collected in western Ireland was examined using calcium (Ca) and strontium (Sr) concentrations in otoliths. The otolith Sr:Ca values fluctuated with the habitat.
View Article and Find Full Text PDFMorphoanatomical study of the species Zanthoxylum kleinii (R.S. Cowan) P.G. Waterman (Rutaceae).
Microsc Res Tech
August 2024
Department of Pharmacy, Federal University of Paraná, Paraná, Brazil.
The order Sapindales is comprised of nine families and in Brazil it is represented by six, including Rutaceae Juss., which constitutes the largest group of this order. A variety of species of Zanthoxylum L.
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