Search Results - "Madarász, János"
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1
Comparison of thermally and chemically reduced graphene oxides by thermal analysis and Raman spectroscopy
Published in Journal of thermal analysis and calorimetry (01-10-2020)“…Graphene oxide (GO) is not only an intermediate in top-down graphene preparation, but it is also acknowledged for its convenient application when the…”
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2
Interactions in dopamine and indole loaded thermosensitive hydrogels seen by high sensitivity microDSC. Implications for drug delivery
Published in Journal of thermal analysis and calorimetry (01-11-2022)“…Controlled and targeted drug delivery systems consist of a carrier matrix and one or more active ingredients. One of the roles of the matrix is to regulate the…”
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3
Stability and Controlled Composition of Hexagonal WO3
Published in Chemistry of materials (24-06-2008)“…This paper discusses the formation of nanosized hexagonal tungsten oxide (h-WO3) during the annealing of hexagonal ammonium tungsten bronze (HATB), (NH4)0.33−x…”
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4
Optical Resolution of Two Pharmaceutical Bases with Various Uses of Tartaric Acid Derivatives and Their Sodium Salts: Racemic Ephedrine and Chloramphenicol Base
Published in Molecules (Basel, Switzerland) (13-05-2022)“…The optically active dibenzoyltartaric acid, tartaric acid, and its sodium salts were successfully applied to the optical resolution of (1 ,2 )(1 ,2…”
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5
Microstructural Distinction of Electrospun Nanofibrous Drug Delivery Systems Formulated with Different Excipients
Published in Molecular pharmaceutics (04-09-2018)“…The electrospun nanofiber-based orally dissolving webs are promising candidates for rapid drug release, which is due to the high surface area to volume ratio…”
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6
Biomass Related Highly Porous Metal Free Carbon for Gas Storage and Electrocatalytic Applications
Published in Materials (23-06-2021)“…In this paper we report the synthesis of a N, S co-doped metal free carbon cryogel obtained from a marine biomass derived precursor using urea as nitrogen…”
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7
A fast, new method to enhance the enantiomeric purity of non-racemic mixtures: self-disproportionation of enantiomers in the gas antisolvent fractionation of chlorine-substituted mandelic acid derivatives
Published in Tetrahedron: asymmetry (15-11-2017)“…[Display omitted] Gas antisolvent precipitation is a particle formation technique, when typically pressurized carbon dioxide is added to an organic solution…”
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8
Predicting final product properties of melt extruded solid dispersions from process parameters using Raman spectrometry
Published in Journal of pharmaceutical and biomedical analysis (01-09-2014)“…•Physically stable amorphous IR formulations of spironolactone were melt-extruded.•Degree of drug degradation was determined non-invasively by Raman…”
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9
Understanding the pH Dependence of Supersaturation State—A Case Study of Telmisartan
Published in Pharmaceutics (01-08-2022)“…Creating supersaturating drug delivery systems to overcome the poor aqueous solubility of active ingredients became a frequent choice for formulation…”
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10
Synthesis, vibrational spectra and X-ray structures of copper(I) thiourea complexes
Published in Inorganica Chimica Acta (01-01-2004)“…The determining role of water of crystallisation in the structures of Cu +:thiourea 1:3 halide complexes is obvious as dimer or polymer formation takes place…”
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11
Thermal decomposition of thiourea complexes of Cu(I), Zn(II), and Sn(II) chlorides as precursors for the spray pyrolysis deposition of sulfide thin films
Published in Solid state ionics (01-05-2001)“…Comparative study on thermal decomposition of four thiourea–metal complexes, solid precursors for spray pyrolysis deposition (SPD) methods, had been carried…”
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12
Copper benzene-1,3,5-tricarboxylate (HKUST-1) – graphene oxide pellets for methane adsorption
Published in Microporous and mesoporous materials (01-03-2021)“…Copper benzene-1,3,5-tricarboxylate (HKUST-1) is one of the materials holding the greatest potential for clean energy gases among microporous storage…”
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13
Comparative evolved gas analytical and structural study on trans-diammine-bis(nitrito)-palladium(II) and platinum(II) by TG/DTA–MS, TG–FTIR, and single crystal X-ray diffraction
Published in Thermochimica acta (01-06-2009)“…Detailed study on identification and thermal decomposition of solid title compounds 1 and 2 crystallized from the used aqueous ammonia solutions of Pd(NH 3)…”
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14
Novel Crystalline Salts of 4-Piperidyl- and 4-Pyridylmethylamines Prepared by Catalytic Hydrogenation of 4-Pyridinecarbonitrile: Crystallographic Unit Cells Based on Powder XRD Patterns by Using the DASH Program Package
Published in Crystals (Basel) (29-10-2024)“…Structures of some hydrogenated products and intermediates, prepared by a heterogeneous Pd/C or Ru/C catalyst starting from 4-pyridinecarbonitrile (4PN), in…”
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15
Plasticized drug-loaded melt electrospun polymer mats: characterization, thermal degradation, and release kinetics
Published in Journal of pharmaceutical sciences (01-04-2014)“…Melt electrospinning (MES) was used to prepare fast dissolving fibrous drug delivery systems in the presence of plasticizers. This new method was found…”
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16
Fast further purification of diastereomeric salts of a nonracemic acid by gas antisolvent fractionation
Published in Chirality (New York, N.Y.) (01-10-2017)“…A novel, green possibility of the further purification of the diastereomeric salt of 4‐chloromandelic acid and 1‐phenylethane‐1‐amine was developed. Gas…”
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17
Gas sensing selectivity of hexagonal and monoclinic WO3 to H2S
Published in Solid state sciences (01-11-2010)“…Hexagonal and monoclinic tungsten oxide (h- and m-WO3) samples were produced by annealing hexagonal ammonium tungsten bronze, (NH4)0.07(NH3)0.04(H2O)0.09WO2.95…”
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Conference Proceeding Journal Article -
18
Characterization of drug–cyclodextrin formulations using Raman mapping and multivariate curve resolution
Published in Journal of pharmaceutical and biomedical analysis (25-08-2011)“…Raman chemical imaging was used in the characterization of drug–excipient interactions between a drug and different types of cyclodextrins. Detailed analysis…”
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19
Evolved gas analyses on a mixed valence copper(I,II) complex salt with thiosulfate and ammonia by in situ TG-EGA-FTIR and TG/DTA-EGA-MS
Published in Journal of thermal analysis and calorimetry (01-07-2009)“…Thermal decomposition of a mixed valence copper salt, Na 4 [Cu(NH 3 ) 4 ][Cu(S 2 O 3 ) 2 ] 2 ·0.5NH 3 ( 1) prepared from pentahydrates of sodium thiosulfate…”
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Journal Article Conference Proceeding -
20
Ageing and thermal stability studies on quasi-solid composite electrolytes for Grätzel-type solar cells: Part 1. Application of thermogravimetry and coupled methods of evolved gas analysis (TG/DTA–MS and TG–FTIR)
Published in Journal of thermal analysis and calorimetry (01-09-2013)“…Loss of volatile components from two types of quasi-solid gel electrolytes to be used in Grätzel (or dye-sensitized, DSSC)-type alternative solar cells are…”
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Journal Article Conference Proceeding