Search Results - "Neto, Antônio Martins Figueiredo"
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Molecular Dynamics Approach to Calculate the Thermodiffusion (Soret and Seebeck) Coefficients of Salts in Aqueous Solutions
Published in Journal of chemical theory and computation (08-06-2021)“…An approach to investigate the physical parameters related to ion thermodiffusion in aqueous solutions is proposed herein by calculating the equilibrium…”
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2
Thermodiffusion of Monovalent Organic Salts in Water
Published in The journal of physical chemistry. B (12-04-2018)“…The ionic Soret effect induced by temperature gradients is investigated in organic electrolytes (tetramethylammonium and tetrabutylammonium hydroxides)…”
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3
Effect of Alkyl Chain Length of Alcohols on Cholesteric Uniaxial to Cholesteric Biaxial Phase Transitions in a Potassium Laurate/Alcohol/Potassium Sulfate/Water/Brucine Lyotropic Mixture: Evidence of a First-Order Phase Transition
Published in The journal of physical chemistry. B (24-01-2013)“…Lyotropic cholesteric liquid crystalline phases were prepared by doping the quaternary mixture of potassium laurate (KL)/potassium sulfate (K2SO4)/alcohol…”
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4
The Soret coefficient of human low-density lipoprotein in solution: a thermophilic behavior
Published in The European physical journal. E, Soft matter and biological physics (01-12-2023)“…Thermodiffusion, or Soret effect, is the physical phenomenon of matter gradients originated by the migration of chemical species induced by thermal gradients…”
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5
New Lyotropic Mixtures with Non-Chiral N -Acylamino Acid Surfactants Presenting the Biaxial Nematic Phase Investigated by Laser Conoscopy, Polarized Optical Microscopy and X-ray Diffraction
Published in Materials (27-05-2014)“…Amino acid-based surfactants were used as the main surfactants to prepare new lyotropic mixtures presenting three nematic phases. One of them is biaxial ( ),…”
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Properties of the uniaxial and biaxial nematic phases of the dodecyltrimethylammonium bromide/1-dodecanol/water lyotropic mixture including azo dye and drug molecules
Published in Phase transitions (01-02-2024)“…Lyotropic nematic phase properties of novel mixtures of dodecyltrimethylammonium bromide (DTMABr)/1-dodecanol (DDeOH)/water, doping with anionic azo dyes…”
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Novel Trends in Lyotropic Liquid Crystals
Published in Crystals (Basel) (01-07-2020)“…We introduce and shortly summarize a variety of more recent aspects of lyotropic liquid crystals (LLCs), which have drawn the attention of the liquid crystal…”
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Effect of classic ketogenic diet treatment on lipoprotein subfractions in children and adolescents with refractory epilepsy
Published in Nutrition (Burbank, Los Angeles County, Calif.) (01-01-2017)“…Abstract Objective To evaluate the impact of the classic ketogenic diet (KD) on low density lipoprotein (LDL) and high density lipoprotein (HDL) subfractions…”
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Green-banana biomass consumption by diabetic patients improves plasma low-density lipoprotein particle functionality
Published in Scientific reports (23-07-2020)“…The aim of this study was to investigate the effects of 6-months consumption of green-banana biomass on the LDL particle functionality in subjects with type 2…”
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Effect of surfactant alkyl chain length on lyotropic uniaxial to biaxial cholesteric phase transitions
Published in The European physical journal. E, Soft matter and biological physics (01-09-2019)“… Some ionic surfactant-based lyotropic mixtures, exhibiting cholesteric phases, were prepared to investigate the effect of the surfactant alkyl chain length…”
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11
Oxidized and electronegative low-density lipoprotein as potential biomarkers of cardiovascular risk in obese adolescents
Published in Clinics (São Paulo, Brazil) (01-01-2018)“…To evaluate biomarkers associated with early cardiometabolic risk in obese adolescents. This cross-sectional study included 137 adolescents of both sexes aged…”
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12
Fluidos complexos na matéria condensada:os cristais líquidos
Published in Revista Brasileira de Ensino de Física (2021)“…Cristais líquidos são estados intermediários em que a matéria pode se apresentar, entre o sólido cristalino e o líquido isotrópico. Materiais que podem…”
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Gemini surfactant behavior of conventional surfactant dodecyltrimethylammonium bromide with anionic azo dye Sunset Yellow in aqueous solutions
Published in Journal of molecular liquids (15-08-2022)“…•DTMABr may exhibit a gemini surfactant behavior in surfactant-dye solutions.•Surfactant/dye interactions have a role in exhibiting this behavior of…”
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14
Effect of the surfactant alkyl chain length on the stabilisation of lyotropic nematic phases
Published in Liquid crystals (26-01-2018)“…Lyotropic quaternary mixtures of potassium alkanoates (KCx) and sodium alkyl sulphates (NaCxS), where x is the number of carbon atoms in their alkyl chains,…”
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Microcurrent electrotherapy improves palatal wound healing: Randomized clinical trial
Published in Journal of periodontology (1970) (01-02-2021)“…Background This study was conducted to assess the clinical, immunological, and patient‐centered outcomes of microcurrent electrotherapy on palatal wound…”
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Effect of head-group size of some tetradecylalkylammonium bromide surfactants on obtaining the lyotropic biaxial nematic phase
Published in The European physical journal. E, Soft matter and biological physics (01-04-2019)“… Lyotropic quaternary mixtures of some tetradecylalkylammonium bromide surfactants were prepared to examine the effect of the size of the surfactant head…”
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Role of kosmotrope-chaotrope interactions at micelle surfaces on the stabilization of lyotropic nematic phases
Published in The European physical journal. E, Soft matter and biological physics (01-11-2016)“… Three lyotropic quaternary systems of ionic surfactants were prepared to investigate the role of kosmotrope-chaotrope interactions at the micelle surfaces on…”
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Effect of the presence of strong and weak electrolytes on the existence of uniaxial and biaxial nematic phases in lyotropic mixtures
Published in Liquid crystals (01-09-2016)“…The lyotropic mixture of potassium laurate/decanol/water presenting only the uniaxial nematic calamitic phase was doped with one strong (potassium chloride,…”
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Comparison between lyotropic cholesteric phase behavior with partly fluorinated surfactants and their exact hydrogenated counterparts
Published in Journal of molecular liquids (01-06-2018)“…In this study, we examined lyotropic intrinsic cholesteric phase properties of some amino acid-based chiral surfactants, with partly fluorinated and…”
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Comments on the stabilization of the biaxial nematic phase in lyotropic liquid crystals
Published in Molecular Crystals and Liquid Crystals (02-11-2017)“…We have discussed the stabilization of the biaxial nematic phase in lyotropic liquid crystals, based on previously published articles. New mixtures were…”
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