Search Results - "Melo, Francisco E.A."

Molecular flexibility and structural instabilities in crystalline l-methionine by Fischer, Jennifer, Lima, José A., Freire, Paulo T.C., Melo, Francisco E.A., Havenith, Remco W.A., Filho, Josué Mendes, Broer, Ria, Eckert, Juergen, Bordallo, Heloisa N.

“…We have investigated the dynamics in polycrystalline samples of l-methionine related to the structural transition at about 307K by incoherent inelastic and…”
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Using Raman spectroscopy to understand the origin of the phase transition observed in the crystalline sulfur based amino acid l-methionine by Lima, José A., Freire, Paulo T.C., Melo, Francisco E.A., Filho, J. Mendes, Fischer, Jennifer, Havenith, Remco W.A., Broer, Ria, Bordallo, Heloisa N.

“…We present the Raman spectra of l-methionine (C5H11NO2S) monocrystals obtained in the spectral region ranging from 3200 to 50cm−1 at temperatures from 20 to…”
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Raman spectroscopy of topiramate under high pressure conditions by Sena Jr, Diniz M., Freire, Paulo T. C., Filho, Josué M., Melo, Francisco E. A.

“…Topiramate is a white crystalline solid with powerful anticonvulsant activity and is used to treat epilepsy. Drug manufacturing involves various physical and…”
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Vibrational and thermal properties of crystalline topiramate by Sena Jr, Diniz M., Freire, Paulo T. C., M. Filho, Josué, Melo, Francisco E. A., Pontes, Fenelon M., Longo, Elson, Ferreira, Odair P., Alves, Oswaldo L.

“…Topiramate, a powerful anticonvulsant drug, was investigated by X-ray diffractometry, FT-Raman, FT-IR, TGA and DTA techniques as well as by DFT calculations…”
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New crystals in the lithium sulfate family by Lima, Ricardo J. C., Sasaki, Jose M., Ayala, Alejandro P., Freire, Paulo T. C., Mendes-Filho, Josue, Melo, Francisco E. A., Ellena, Javier, Santos Jr, Sauli

“…The preparation and structures of caesium lithium sulfate, Cs1.15Li2.85(SO4)2, and caesium lithium rubidium sulfate, Cs0.90Li2.88Rb0.22(SO4)2, are described…”
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