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For:	Ficai A. Triggering Factors in Drug Delivery Devices. Curr Pharm Des 2019;25:107-108. [PMID: 31198109 DOI: 10.2174/138161282502190514121641] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]

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Cited by Other Article(s)

Petrisor G, Ficai D, Motelica L, Trusca RD, Bîrcă AC, Vasile BS, Voicu G, Oprea OC, Semenescu A, Ficai A, Popitiu MI, Fierascu I, Fierascu RC, Radu EL, Matei L, Dragu LD, Pitica IM, Economescu M, Bleotu C. Mesoporous Silica Materials Loaded with Gallic Acid with Antimicrobial Potential. NANOMATERIALS 2022;12:nano12101648. [PMID: 35630870 PMCID: PMC9147919 DOI: 10.3390/nano12101648] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 05/05/2022] [Accepted: 05/07/2022] [Indexed: 12/15/2022]

Abstract

This paper aimed to develop two types of support materials with a mesoporous structure of mobile crystalline matter (known in the literature as MCM, namely MCM-41 and MCM-48) and to load them with gallic acid. Soft templating methodology was chosen for the preparation of the mesoporous structures—the cylindrical micelles with certain structural characteristics being formed due to the hydrophilic and hydrophobic intermolecular forces which occur between the molecules of the surfactants (cetyltrimethylammonium bromide—CTAB) when a minimal micellar ionic concentration is reached. These mesoporous supports were loaded with gallic acid using three different types of MCM—gallic acid ratios (1:0.41; 1:0.82 and 1:1.21)—and their characterizations by FTIR, SEM, XRD, BET and drug release were performed. It is worth mentioning that the loading was carried out using a vacuum-assisted methodology: the mesoporous materials are firstly kept under vacuum at ~0.1 barr for 30 min followed by the addition of the polyphenol solutions. The concentration of the solutions was adapted such that the final volume covered the wet mesoporous support and—in this case—upon reaching normal atmospheric pressure, the solution was pushed inside the pores, and thus the polyphenols were mainly loaded inside the pores. Based on the S_BET data, it can be seen that the specific surface area decreased considerably with the increasing ratio of gallic acid; the specific surface area decreased 3.07 and 4.25 times for MCM-41 and MCM-48, respectively. The sample with the highest polyphenol content was further evaluated from a biological point of view, alone or in association with amoxicillin administration. As expected, the MCM-41 and MCM-48 were not protective against infections—but, due to the loading of the gallic acid, a potentiated inhibition was recorded for the tested gram-negative bacterial strains. Moreover, it is important to mention that these systems can be efficient solutions for the recovery of the gut microbiota after exposure to antibiotics, for instance.

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Affiliation(s)

Gabriela Petrisor Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University POLITEHNICA of Bucharest, Gh. Polizu 1-7, 011061 Bucharest, Romania; (G.P.); (L.M.); (R.D.T.); (A.C.B.); (B.S.V.); (G.V.); (A.F.) National Research Center for Food Safety, University POLITEHNICA of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania; National Center for Micro and Nanomaterials, University POLITEHNICA of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania
Denisa Ficai National Research Center for Food Safety, University POLITEHNICA of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania; National Center for Micro and Nanomaterials, University POLITEHNICA of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania Department of Inorganic Chemistry, Physical Chemistry and Electrochemistry, Faculty of Applied Chemistry and Materials Science, University POLITEHNICA of Bucharest, Gh. Polizu 1-7, 011061 Bucharest, Romania Correspondence:
Ludmila Motelica Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University POLITEHNICA of Bucharest, Gh. Polizu 1-7, 011061 Bucharest, Romania; (G.P.); (L.M.); (R.D.T.); (A.C.B.); (B.S.V.); (G.V.); (A.F.) National Research Center for Food Safety, University POLITEHNICA of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania; National Center for Micro and Nanomaterials, University POLITEHNICA of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania
Roxana Doina Trusca Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University POLITEHNICA of Bucharest, Gh. Polizu 1-7, 011061 Bucharest, Romania; (G.P.); (L.M.); (R.D.T.); (A.C.B.); (B.S.V.); (G.V.); (A.F.) National Research Center for Food Safety, University POLITEHNICA of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania; National Center for Micro and Nanomaterials, University POLITEHNICA of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania
Alexandra Cătălina Bîrcă Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University POLITEHNICA of Bucharest, Gh. Polizu 1-7, 011061 Bucharest, Romania; (G.P.); (L.M.); (R.D.T.); (A.C.B.); (B.S.V.); (G.V.); (A.F.) National Research Center for Food Safety, University POLITEHNICA of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania; National Center for Micro and Nanomaterials, University POLITEHNICA of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania
Bogdan Stefan Vasile Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University POLITEHNICA of Bucharest, Gh. Polizu 1-7, 011061 Bucharest, Romania; (G.P.); (L.M.); (R.D.T.); (A.C.B.); (B.S.V.); (G.V.); (A.F.) National Research Center for Food Safety, University POLITEHNICA of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania; National Center for Micro and Nanomaterials, University POLITEHNICA of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania
Georgeta Voicu Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University POLITEHNICA of Bucharest, Gh. Polizu 1-7, 011061 Bucharest, Romania; (G.P.); (L.M.); (R.D.T.); (A.C.B.); (B.S.V.); (G.V.); (A.F.) National Research Center for Food Safety, University POLITEHNICA of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania; National Center for Micro and Nanomaterials, University POLITEHNICA of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania
Ovidiu Cristian Oprea National Research Center for Food Safety, University POLITEHNICA of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania; National Center for Micro and Nanomaterials, University POLITEHNICA of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania Department of Inorganic Chemistry, Physical Chemistry and Electrochemistry, Faculty of Applied Chemistry and Materials Science, University POLITEHNICA of Bucharest, Gh. Polizu 1-7, 011061 Bucharest, Romania
Augustin Semenescu Department Engineering and Management for Transports, University POLITEHNICA of Bucharest, 060042 Bucharest, Romania; Academy of Romanian Scientists, Ilfov Street 3, 050044 Bucharest, Romania
Anton Ficai Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University POLITEHNICA of Bucharest, Gh. Polizu 1-7, 011061 Bucharest, Romania; (G.P.); (L.M.); (R.D.T.); (A.C.B.); (B.S.V.); (G.V.); (A.F.) National Research Center for Food Safety, University POLITEHNICA of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania; National Center for Micro and Nanomaterials, University POLITEHNICA of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania Academy of Romanian Scientists, Ilfov Street 3, 050044 Bucharest, Romania
Mircea Ionut Popitiu Department of Vascular Surgery and Reconstructive Microsurgery, Victor Babes University of Medicine and Pharmacy, Timisoara, Piata Eftimie Murgu, Nr. 2, 300041 Timisoara, Romania;
Irina Fierascu National Institute for Research & Development in Chemistry and Petrochemistry—ICECHIM, Splaiul Independentei 202, 060021 Bucharest, Romania; (I.F.); (R.C.F.) University of Agronomic Sciences and Veterinary Medicine of Bucharest, 011464 Bucharest, Romania
Radu Claudiu Fierascu National Institute for Research & Development in Chemistry and Petrochemistry—ICECHIM, Splaiul Independentei 202, 060021 Bucharest, Romania; (I.F.); (R.C.F.) University of Agronomic Sciences and Veterinary Medicine of Bucharest, 011464 Bucharest, Romania
Elena Lacramioara Radu Stefan S. Nicolau Institute of Virology, Mihai Bravu 285, 030304 Bucharest, Romania; (E.L.R.); (L.M.); (L.D.D.); (I.M.P.); (M.E.); (C.B.)
Lilia Matei Stefan S. Nicolau Institute of Virology, Mihai Bravu 285, 030304 Bucharest, Romania; (E.L.R.); (L.M.); (L.D.D.); (I.M.P.); (M.E.); (C.B.)
Laura Denisa Dragu Stefan S. Nicolau Institute of Virology, Mihai Bravu 285, 030304 Bucharest, Romania; (E.L.R.); (L.M.); (L.D.D.); (I.M.P.); (M.E.); (C.B.)
Ioana Madalina Pitica Stefan S. Nicolau Institute of Virology, Mihai Bravu 285, 030304 Bucharest, Romania; (E.L.R.); (L.M.); (L.D.D.); (I.M.P.); (M.E.); (C.B.)
Mihaela Economescu Stefan S. Nicolau Institute of Virology, Mihai Bravu 285, 030304 Bucharest, Romania; (E.L.R.); (L.M.); (L.D.D.); (I.M.P.); (M.E.); (C.B.)
Coralia Bleotu Stefan S. Nicolau Institute of Virology, Mihai Bravu 285, 030304 Bucharest, Romania; (E.L.R.); (L.M.); (L.D.D.); (I.M.P.); (M.E.); (C.B.)

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