Termičko ponašanje I biološka aktivnost [Co2(Cl)2 TPMC](BF4)2 kompleksa

Autori

  • Branka Dražić University of Belgrade, Faculty of Pharmacy, Serbia Autor
  • Nikolić Mirjana Antonijević Academy of applied studies, Department for medical, business and technological studies, Šabac Autor

DOI:

https://doi.org/10.5937/zasmat2104291T

Ključne reči:

Co(II) kompleks, tpmc, mikrobiološka aktivnost, citotoksičnost, termička stabilnost

Apstrakt

Poznavanje biološke uloge kobalta i prepoznavanje njegovih kompleksa kao važnih bioaktivnih jedinjenja razlozi su sve veće zainteresovanosti za potencijalnu terapijsku primenu ovih kompleksa kod različitih bolesti. Brojne dostupne informacije o njihovim osobinama i načinu delovanja u nekoliko bioloških sistema, u kombinaciji sa novim mogućnostima koje nameće razvoj medicinske hemije, otvaraju prostor za razvoj nove generacije visoko aktivnih lekova sa minimalnim nuspojavama. U ovom radu smo ispitali neke osobine ranije izolovanog Co (II) tpmc kompleksa, prvog kod koga je rendgenska strukturna analiza potvrdila da se makrciklični ligand nalazi u konformaciji stolice. Ispitivane su termogravimetrijske I biološke osobine kompleksa [Co2(Cl)2tpmc](BF4)2 (tpmc = N, N', N'', N'''-tetrakis (2-piridilmetil) -1,4,8,11-tetraazaciklotetradekan). TG-DTA analiza ukazuje da je razlaganje kompleksa u jednom koraku u rasponu temperature od 365 -435 ° C. Ispitivana je citotoksična aktivnost na dve ljudske ćelijske linije karcinoma: HeLa (adenokarcinom grlića maternice) i K562 (mijelogena leukemija). Antimikrobno djelovanje kompleksa kvantifikovano je određivanjem minimalne inhibitorne koncentracije (MIC) korišćenjem bakterija Staphylococcus saprophyticus, Staphylococcus xylosus, Bacillus cereus, soja kvasca Candida albicans i plesni Aspergillus niger. Biološka ispitivanja su pokazala da kompleks ima značajan citotoksični potencijal I umerenu aktivnost prema bakterijama soja Staphylococcus.

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2021-12-15

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