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Low-temperature aqueous synthesis and biocompatibility of manganese whitlockite

  • Andris Antuzevičs
  • , Arita Dubņika
  • , A Antuzevics
  • , A. Dubnika
  • , A Dubnika
  • , T Goto
  • , A Kizalaite
  • , T. Murauskas
  • , A. Kizalaite
  • , A Zarkov
  • , T Murauskas
  • , O Jr Stewart
  • , T Goto
  • , T Murauskas
  • , T. Goto
  • , O. Stewart
  • , S.L. Stoll
  • , A Antuzevics
  • , T. Sekino
  • , A Antuzevics
  • A. Zarkov, A Kizalaite, A Kizalaite, T Goto, A Kizalaite, A Zarkov, T Murauskas, A Dubnika, A Antuzevics, A Zarkov, T Murauskas, T Goto, A Zarkov, A Dubnika
  • Rīgas Tehniskā universitāte
  • Vilniaus Universitetas
  • Osaka University
  • Georgetown University

Zinātniskās darbības rezultāts: Devums žurnālamZinātniskais raksts (žurnālā)koleģiāli recenzēts

3 Atsauces (Scopus)

Kopsavilkums

In this work, manganese whitlockite (Mn-WH, Ca18Mn2(HPO4)2(PO4)12) was successfully synthesized and comprehensively characterized. This material is a manganese-containing analog of the biomineral magnesium whitlockite (Mg-WH, Ca18Mg2(HPO4)2(PO4)12). The synthesis was performed via a low-temperature dissolution-precipitation process in aqueous medium under ambient pressure at 75 °C using dicalcium phosphate dehydrate and manganese acetate tetrahydrate as starting materials. The crystal structure of the synthesized powder was determined by powder X-ray diffraction, FTIR and Raman spectroscopies, demonstrating the presence of characteristic structural units. Morphological features and elemental distribution within the synthesized powder were studied by SEM/EDX analysis. XPS, EPR and magnetic studies confirmed the presence of Mn ions in a divalent state. Temperature-dependent magnetic measurements revealed a paramagnetic behavior of Mn-WH down to 5 K. In vitro cytotoxicity experiments were performed with MC3T3-E1 preosteoblastic cell line.

OriģinālvalodaAngļu
Lapas (no-līdz)28490-28497
Lapu skaits8
ŽurnālsCeramics International
Sējums50
Izdevuma numurs16
DOIs
Publikācijas statussPublicēts - 15 aug. 2024

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