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Mechanochemical synthesis, characterization, thermoanalytical study and evaluation of the solubility of Norfloxacino cocrystals.

Grant number: 20/07724-8
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Start date: September 01, 2020
End date: July 31, 2023
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Analytical Chemistry
Principal Investigator:Flávio Junior Caires
Grantee:Giovanna de Paula Costa
Host Institution: Faculdade de Ciências (FC). Universidade Estadual Paulista (UNESP). Campus de Bauru. Bauru , SP, Brazil
Associated scholarship(s):22/00239-2 - THERMODYNAMIC AND STRUCTURAL STUDY OF NORFLOXACIN COCRYSTALS, BE.EP.IC

Abstract

Cocrystallization is an approach that aims to improve the physicochemical properties of drugs already on the market and of potential drugs. Cocrystals are formed when there are intermolecular interactions between the drug and coformer molecules involved in the synthesis, and the interactions formed do not interfere with the therapeutic activity of the drug. Hereby, this project aims the synthesis of pharmaceutical cocrystals of Norfloxacin (NOR) through the mechanochemical method using a ball mill. After synthesis, the evaluated systems will be characterized by thermoanalytical: thermogravimetry and simultaneous differential thermal analysis (TG-DTA) and differential exploratory calorimetry (DSC), spectroscopic: vibrational absorption spectroscopy in the infrared (IR) and diffractometric techniques: diffractometry X-ray powder (DRXP), to confirm the formation of the cocrystals. From the obtained cocrystals, solubility studies will be carried out to evaluate the possible improvement in their solubility when compared to the drug alone.

News published in Agência FAPESP Newsletter about the scholarship:
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VEICULO: TITULO (DATA)
VEICULO: TITULO (DATA)

Scientific publications
(The scientific publications listed on this page originate from the Web of Science or SciELO databases. Their authors have cited FAPESP grant or fellowship project numbers awarded to Principal Investigators or Fellowship Recipients, whether or not they are among the authors. This information is collected automatically and retrieved directly from those bibliometric databases.)
FERREIRA, PATRICIA O.; DE ALMEIDA, AMANDA C.; COSTA, GIOVANNA DE P.; TORQUETTI, CAROLINA; BAPTISTA, JOAO A.; EUSEBIO, M. ERMELINDA S.; CAIRES, FLAVIO J.; CASTRO, RICARDO A. E.. Norfloxacin Cocrystals: Mechanochemical Synthesis and Scale-up Viability Through Solubility Studies. Journal of Pharmaceutical Sciences, v. 112, n. 8, p. 10-pg., . (22/00239-2, 18/24378-6, 20/07724-8)
COSTA, GIOVANNA DE P.; FERREIRA, PATRICIA O.; BAPTISTA, JOAO A.; SILVA, PEDRO S. PEREIRA; CASTRO, RICARDO A. E.; CAIRES, FLAVIO J.; EUSEBIO, M. ERMELINDA S.. Enhancing Norfloxacin's solubility: Development and characterization of new solid-state forms with p-aminobenzoic acid. Journal of Solid State Chemistry, v. 353, p. 11-pg., . (23/06756-1, 20/07724-8, 22/00239-2, 23/07343-2)