Search Results - "MACEDO, Rui Oliveira"
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Thermoanalytical characterization of plant drug and extract of Urtica dioica L. and kinetic parameters analysis
Published in Journal of thermal analysis and calorimetry (01-07-2018)“…Urtica dioica L. has been used by Brazilian population as an herbal medicine to treat several diseases, such as respiratory allergies. Thus, this study aimed…”
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2
Recrystallisation of ferulic acid using the anti-solvent and sonocrystallisation processes
Published in Journal of thermal analysis and calorimetry (01-12-2019)“…In the present study, ferulic acid (FA) crystals were obtained via the crystallisation process using two different techniques (anti-solvent and…”
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3
Reproductive phenology in the standardization of tannins in plant drugs of specimens of Sideroxylon obtusifolium (Roem. & Schult.) T.D. Penn
Published in Revista brasileira de botânica (01-09-2021)“…The standardization of chemical markers in medicinal species in the Caatinga has been a great challenge, due to the genetic, time and spatial variability of…”
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4
Evaluation of crystallization technique relating to the physicochemical properties of cinnamic acid
Published in Journal of thermal analysis and calorimetry (01-12-2019)“…In this study, the crystallization by anti-solvent and sonocrystallization were used for recrystallization of the cinnamic acid (CA), in order to evaluate the…”
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5
Thermal characterization and microbiology assay of Annona muricata L. leaves
Published in Journal of thermal analysis and calorimetry (01-12-2019)“…Annona muricata L., Annonaceae, popularly known as soursop, has anticancer and antidiabetic pharmacological properties. This work aims the characterization by…”
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Correlation of thermal analysis and pyrolysis coupled to GC–MS in the characterization of tacrolimus
Published in Journal of pharmaceutical and biomedical analysis (25-01-2013)“…► Tacrolimus samples were analyzed by dynamic thermogravimetry using Ozawa method. ► The samples were analyzed by pyrolysis GC–MS. ► Different hydrated forms…”
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Journal Article Conference Proceeding -
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Evaluation of compatibility between dried extracts of Myracrodruon urundeuva Allemão and pharmaceutical excipients by TG and DTA
Published in Journal of thermal analysis and calorimetry (2018)“…Thermoanalytical techniques have been applied in studies of herbal products. Myracrodruon urundeuva Allemão (Anacardiaceae) is a native of Brazil with…”
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Contributions of Annual Phenological Intensity to the Production of Tannins in Sideroxylon obtusifolium in Brazilian Semi-arid
Published in Floresta e ambiente (01-01-2021)“…Abstract The correlation between biological and ecological parameters is essential for the sustainable use of species. This study aimed to assess the…”
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Effect of corn steep liquor (CSL) and cassava wastewater (CW) on chitin and chitosan production by Cunninghamella elegans and their physicochemical characteristics and cytotoxicity
Published in Molecules (Basel, Switzerland) (28-02-2014)“…Microbiological processes were used for chitin and chitosan production with Cunninghamella elegans UCP/WFCC 0542 grown in different concentrations of two…”
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10
Solid-State Form Characterization of Riparin I
Published in Molecules (Basel, Switzerland) (09-10-2017)“…Riparin I is an alkamide with potential anxiolytic activity in preclinical studies. The characterization and understanding of solid-state properties play an…”
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Solid-state characterization of the new antiparasitic drug 5-((5-bromo-1H-indol-3-yl)methylene)-3-(2,6-difluorobenzyl)thiazolidine-2,4-dione (GQ-238)
Published in Journal of thermal analysis and calorimetry (01-08-2020)“…In this study, spectroscopic and thermoanalytical techniques were used to characterize the new chemical entity GQ-238 isolated and associated with…”
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12
Investigation of thermal and kinetic behavior of the Stryphnodendron adstringens dry extract with antimicrobial activity
Published in Journal of thermal analysis and calorimetry (01-12-2019)“…Stryphnodendron adstringens Coville (Fabaceae), popularly known as “barbatimão,” is a Brazilian Cerrado tree, rich in tannins. It is used as antinociceptive,…”
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13
Sideroxylon obtusifolium herbal medicine characterization using pyrolysis GC/MS, SEM and different thermoanalytical techniques
Published in Journal of thermal analysis and calorimetry (01-02-2016)“…This study aimed to characterize by analytical techniques Sideroxylon obtusifolium herbal medicine raw material derived from the leaves in different particle…”
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14
Characterization of solid dispersions of a powerful statin using thermoanalytical techniques
Published in Journal of thermal analysis and calorimetry (01-12-2019)“…One of the major challenges for the development of drugs containing active pharmaceuticals ingredient (API) with low solubility is to add technologies to the…”
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15
Characterization and compatibility of dry extract from Annona muricata L. and pharmaceutical excipients
Published in Journal of thermal analysis and calorimetry (2021)“…The aim of this study was to characterize and evaluate the compatibility of the dry extract (DE) of leaves of Annona muricata L. with pharmaceutical excipients…”
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16
Thermal characterization of antimicrobial peptide stigmurin employing thermal analytical techniques
Published in Journal of thermal analysis and calorimetry (01-12-2019)“…Stigmurin is a peptide with amidated C-terminus (FFSLIPSLVGGLISAFK-NH 2 ) identified in the transcriptome of the scorpion Tityus stigmurus that has shown…”
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17
Investigation of the thermal behavior of inclusion complexes with antifungal activity
Published in Journal of thermal analysis and calorimetry (01-07-2018)“…The indiscriminate use of antifungal agents has led to the advancement of microorganisms tolerant to the various drugs known in the market. Therefore, the…”
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18
Thermoanalytical characterization of herbal drugs from Poincianella pyramidalis in different particle sizes
Published in Journal of thermal analysis and calorimetry (2018)“…Poincianella pyramidalis (Tul.) L.P. Queiroz, known as “catingueira,” is a typical species of Caatinga and used in Brazilian folk medicine as…”
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Short-term stability studies of ampicillin and cephalexin in aqueous solution and human plasma: Application of least squares method in Arrhenius equation
Published in Journal of pharmaceutical and biomedical analysis (25-01-2013)“…A limited number of studies with application of the Arrhenius equation have been reported to drugs and biopharmaceuticals in biological fluids at frozen…”
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Journal Article Conference Proceeding -
20
Thermal analysis study of solid dispersions hydrochlorothiazide
Published in Journal of thermal analysis and calorimetry (2018)“…Solid dispersions (SD) are used as a technological strategy to increase the aqueous dissolution rate of poorly soluble active pharmaceutical ingredients, such…”
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