Search Results - "Madarász, János"

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  1. 1

    Comparison of thermally and chemically reduced graphene oxides by thermal analysis and Raman spectroscopy by Farah, Shereen, Farkas, Attila, Madarász, János, László, Krisztina

    “…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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    Journal Article
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    Interactions in dopamine and indole loaded thermosensitive hydrogels seen by high sensitivity microDSC. Implications for drug delivery by Bulátkó, Anna, Domján, Attila, Madarász, János, László, Krisztina

    “…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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    Journal Article
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    Stability and Controlled Composition of Hexagonal WO3 by Szilágyi, Imre Miklós, Madarász, János, Pokol, György, Király, Péter, Tárkányi, Gábor, Saukko, Sami, Mizsei, János, Tóth, Attila L, Szabó, András, Varga-Josepovits, Katalin

    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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    Journal Article
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    Optical Resolution of Two Pharmaceutical Bases with Various Uses of Tartaric Acid Derivatives and Their Sodium Salts: Racemic Ephedrine and Chloramphenicol Base by Bánhegyi, Dorottya Fruzsina, Fogassy, Elemér, Madarász, János, Pálovics, Emese

    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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    Journal Article
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    Biomass Related Highly Porous Metal Free Carbon for Gas Storage and Electrocatalytic Applications by Andrade, Samantha K Samaniego, Bakos, István, Dobos, Gábor, Farkas, Attila, Kiss, Gábor, Klébert, Szilvia, Madarász, János, László, Krisztina

    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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    Journal Article
  7. 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 by Kőrösi, Márton, Madarász, János, Sohajda, Tamás, Székely, Edit

    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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    Journal Article
  8. 8

    Predicting final product properties of melt extruded solid dispersions from process parameters using Raman spectrometry by Vigh, Tamás, Drávavölgyi, Gábor, Sóti, Péter L., Pataki, Hajnalka, Igricz, Tamás, Wagner, István, Vajna, Balázs, Madarász, János, Marosi, György, Nagy, Zsombor K.

    “…•Physically stable amorphous IR formulations of spironolactone were melt-extruded.•Degree of drug degradation was determined non-invasively by Raman…”
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    Synthesis, vibrational spectra and X-ray structures of copper(I) thiourea complexes by Bombicz, Petra, Mutikainen, Ilpo, Krunks, Malle, Leskelä, Tuula, Madarász, János, Niinistö, Lauri

    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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    Journal Article
  11. 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 by Madarász, János, Bombicz, Petra, Okuya, Masayuki, Kaneko, Shoji

    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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    Journal Article
  12. 12

    Copper benzene-1,3,5-tricarboxylate (HKUST-1) – graphene oxide pellets for methane adsorption by Domán, Andrea, Madarász, Janos, Sáfrán, György, Wang, Ying, László, Krisztina

    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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    Journal Article
  13. 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 by Madarász, János, Bombicz, Petra, Mátyás, Czugler, Réti, Ferenc, Kiss, Gábor, Pokol, György

    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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    Journal Article
  14. 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 by Madarász, János, Hegedűs, László

    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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    Journal Article
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    Fast further purification of diastereomeric salts of a nonracemic acid by gas antisolvent fractionation by Kőrösi, Márton, Madarász, János, Sohajda, Tamás, Székely, Edit

    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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    Journal Article
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    Gas sensing selectivity of hexagonal and monoclinic WO3 to H2S by MIKLOS SZILAGYI, Imre, SAUKKO, Sami, MIZSEI, János, TOTH, Attila L, MADARASZ, János, POKOL, György

    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
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    Characterization of drug–cyclodextrin formulations using Raman mapping and multivariate curve resolution by Vajna, Balázs, Farkas, István, Farkas, Attila, Pataki, Hajnalka, Nagy, Zsombor, Madarász, János, Marosi, György

    “…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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    Journal Article
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    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 by MADARASZ, János

    “…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. 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) by Madarász, János, Nagygyörgy, Viola, Stathatos, Elias, Pokol, György

    “…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