INSTITUTE OF CHEMISTRY

Research

In addition to teaching chemistry, the Departments conduct research in several fields of fundamental and applied chemistry. The main areas of research at the individual departments and the scientists working in the respective fields are as follows.

 

Chemical Kinetics

Dynamics of subpicosecond electron-transfer and solvation processes, development of numerical methods for ultrafast kinetic analysis; Structure, energetics and dynamics of hydrogen-bonded liquids; Combustion simulations; Air pollution modeling; Development of chemical kinetic mechanisms; Analysis and reduction of large reaction mechanisms.

Academic Staff: Keszei Ernő, Lagzi István, Perger Tamás, Turányi Tamás, Turi László, Zsély István Gyula

 

Chemical Technology and Environmental Chemistry

Isolation and synthetic transformations of natural alkaloids of pharmaceutical interest, synthesis of cyclodextrin-derivatives and investigations on their inclusion complexes; Green Chemistry, Catalytic transformation of aromatic amines; Investigation on living polymerization, polymer degradation and polymer analogous reactions; Environmental protection research: water qualification, water quality measurements, intensification of water and wastewater treatment technologies, removal of suspended solids and dissolved pollutants present in different water types mainly by coagulation-flocculation processes, biochemical and adsorption methods; Geochemical and kinetic evolution of karst flow systems, effects of humic species; Chemical characterization of aerosols and airborne particles, influence of heavy metal pollutants on plant physiological processes, biomonitoring; High resolution gas chromatography, developing new techniques and methods on the field of pharmaceuticals, petrochemicals, polymers and environmental analysis.

Academic Staff: Barkács Katalin, Botvay András, Gál Miklós, Horváth István Tamás, Mészárosné Bohuss Ildikó, Mika László Tamás,  Otta Klára, Orgoványi Judit, Óvári Mihály, Salma Imre, Záray Gyula

 

Colloid and Polymer Chemistry

Polymer networks: mechanical and thermodynamic properties, solute partition and sorption phenomena in gels; Synthesis and complex study of linear and cross-linked polyelectrolytes. Theoretical and experimental study of adsorption from dilute solutions. Adsorption of polymers from multicomponent systems. Study of interrelation between steric stabilization and structure of the adsorbed layer. Dilute and concentrated dispersions: electrostatic and steric stabilization, repeptization, order-disorder transition. Preparation of polymer colloid particles with controlled shape and size. Wetting and surface phenomena: static and dynamic wetting, heat of immersion. Colloid chemical aspects of drug delivery systems. Dynamic and static light scattering from colloid and macromolecular solutions. Micellization and related phenomena. Chemical modification of polymer surfaces, study of biocompatibility. Preparation and characterization of Langmuir-Blodgett monolayers.

Academic Staff: Csempesz Ferenc, Frecskáné Csáki Katalin, Gilányi Tibor, Horváth Judit, Kiss Éva, Mészáros Róbert, Nagy Miklós, Pászli István, Varga Imre

 

Condensed Matter Studies

Structure of liquids and solid/liquid interfaces as studied by neutron scattering, isotope effect, scanning tunneling microscopy, numerical simulations; electrodics by impedance analysis; oscillating chemical reactions; mechano-electrochemistry; pattern formation; electron solvation

Academic Staff: Imre Attila, Jákli György, Jancsó Gábor, Kerner Zsolt, Nagy Gábor, Pajkossy Tamás, Schiller Róbert, Vass Szabolcs

 

Electrochemistry

Polymer film electrodes, organic electrochemistry, electrocatalysis, electrosorption, corrosion, metal dissolution and passivation, low temperature electrochemistry, UV–VIS and FTIR studies of complex equilibria

Academic Staff: Inzelt György, Kiss László, Láng Győző, Szabó Kálmán, Szalma József, Sziráki Laura, Takács Mihály, Ujvári Mária

 

Inorganic and Organometallic Chemistry, Stereochemistry

Synthesis of heterocycles and metallocenes, study of their structure, bonding character, fluxionality and spectroscopic behaviour

Academic Staff: Csámpai Antal, Kotschy András, Sohár Pál, Zsoldosné Mády Virág

Structure elucidation of inorganic and organic compounds by NMR and vibrational spectroscopic methods

Academic Staff: Csámpai Antal, Magyarfalvi Gábor, Rohonczy János, Sohár Pál, Szakács László

Organosilicon chemistry: synthesis of new types of silylcarbaminates, structure, reactivity, kinetic and mechanism studies

Academic Staff: Csákvári Béla, Kolos Zsuzsa, Mörtl Mária, Rohonczy János, Szalay Roland

Organometallic chemistry: preparation, structure and bonding studies, reactivity and synthetic application of transition metal organyls

Academic Staff: Frigyes Dávid, Kotschy András, Szalay Roland, Szepes László, Sztáray  Bálint, Tarczay György, Vass Gábor

Instrumental analysis by GC, HPLC, and GC-MS techniques of environmental contaminants, mycotoxins in grain, and pesticides in water.

Academic Staff: Torkos Kornél

 

Inorganic and Analytical Chemistry

Inclusion complex formation and molecular recognition; Nonlinear chemical dynamics and pattern formation; Solid-state chemistry, thermal analytical techniques; Preparation of inorganic oxides by sol-gel methods; Procedure development/improvement by GC/MS and HPLC/DAD(FI) to determine sugars, acids and amino acids in model solutions and in natural matrices; Determination of water and air pollutants by EC-GC; Electrochemical detectors for HPLC, microelectrodes, organic electrochemistry; Pharmaceutical analysis; The effect of nonconventional forms of energy on the structure of fullerenes; Trends in the world scientific literature with special emphasis on the chemical literature; methodology of chemistry teaching

Academic Staff: Andrási Erzsébet, Barcza Lajos, Barcza-Buvári Ágnes, Braun Tibor, Burger Mária, Farsang György, Kántor Tibor, Kurin-Csörgei Krisztina, Lásztity Alexandra, Molnár-Perl Ibolya, Nyiri Judit, Orbán Miklós, Pöppl László, Rózsahegyi Márta, Sinkó Katalin, Szakács Zoltán, Tatár Enikő, Ungvárai-Nagy Zsuzsanna, Varga Imre, Varga Margit, Wajand Judit, Zsigrai-Vasanits Anikó

 

Mass spectrometry

High temperature mass spectrometry, isotope analysis; Secondary ion mass spectrometry, environmental studies

Academic Staff: Bencze László, Riedel Miklós

 

Nuclear Techniques in Stuctural Chemistry

Mössbauer spectroscopy (MS) and positron annihilation spectroscopy (PAS). Application fields: Solutions (MS and PAS); Surface chemistry including electrodeposits, catalysts, polymer layers, corroded and ion implanted surfaces (MS and PAS); Coordination chemistry (MS and PAS); Crystalline and amorphous alloys, including their defect structure (MS, PAS); High Tc superconductors (MS); After effects of the electron capture of ⁵⁷Co in specially prepared Co-coordination compounds (MS); Geology and mineralogy (MS)

Academic Staff: Homonnay Zoltán, Klencsár Zoltán, Kuzmann Ernő, Lévay Béla, Marek Tamás, Nagy Sándor, Süvegh Károly, Vértes Attila

 

Organic Chemistry

Synthesis, isolation, characterization and structure elucidation of biologically active macromolecules; Application of the solid-phase approach to the chemical synthesis of peptides and their analogs containing modified (e.g. alkylated, glycosylated, phosphorylated, etc.) amino acid residues; Synthesis of peptide libraries; Conformational analysis of linear and cyclic peptides by chiroptical methods, FT-IR and NMR spectroscopy; Chiroptical spectroscopy of chiral supramolecular complexes; Structural biological studies on Alzheimer’s disease; Synthesis, molecular structure determination and stereochemical characterization of spirosulfuranes and sulphonium salts; Studies on the reaction mechanism of organic sulphur compounds, e.g. sulfides, chiral sulphoxides and sulphonium salts; Synthesis and reactions of condensed nitrogen heterocycles; Synthesis of organic fluorine compounds

Academic Staff: Decker-Majer Zsuzsa, Dibó Gábor, Farkas Ödön, Furka Árpád, Hollósi Miklós, Illyés Eszter, Jalsovszky István, Kucsman Árpád, Medzihradszky Kálmán, Perczel András, Rábai József, Ruff Ferenc, Samu János, Sebestyén Ferenc, Szabó Dénes, Szókán  Gyula, Vajda Tamás, Varga Jenő, Vass Elemér

 

Peptide Chemistry

Immunochemistry research: Localization and manipulation of epitopes of proteins from microbial origin; Synthesis and characterization of peptide epitope based antigens for diagnostics and vaccines; Synthesis and activity studies of cyclopeptides corresponding to mucin and Herpes Simplex Virus proteins

Anti-cancer drug research: Understanding of the role of proteolytic processes in metastasis; Preparation of hormone (e.g. MSH) or polymeric peptide derivatives of antitumor drugs for targeting/delivery

Receptorology studies: Synthesis of peptide derivatives for opiate receptor specific affinity-labelling; Identification of segments involved in receptor binding of IL6 citokine using "reporter" group modified peptides; Conjugation of biologically active molecules (peptide epitopes, anti-cancer drugs, radionuclides) with carrier compounds

Academic Staff: Biczókné Magyar Anna, Bősze Szilvia, Hudecz Ferenc, Kóczán György, Medzihradszky-Schweiger Hedvig, Mező Gábor, Mihala Nikolett, Reményi Judit,  Süli-Vargha Helga, Uray Katalin

 

Radiation Protection

Thermoluminescent dosimetry, whole body counting, environmental gamma spectroscopy, solid state nuclear track detection, neutron dosimetry, radon measurement, environmental consequences analysis of major nuclear accidents

Academic Staff: Andrási Andor, Balásházy Imre, Deme Sándor, Fehér István, Koblinger László, Zombori Péter

 

Structural Chemistry

Determination of the molecular structure of gas-phase organic and inorganic molecules by electron diffraction in a wide range of temperatures; Combination of electron diffraction with mass spectrometry, vibrational spectroscopy, and theoretical methods; Effects of the intramolecular and intermolecular environment on molecular structure

Academic Staff: Hargittai István, Hargittai Magdolna, Réffy Balázs, Schultz György

 

Theoretical Chemistry

Quantum chemistry, applications and methodology: geometries, vibrational and rotational spectra of small and medium-size molecules; radicals in excited states; conjugated organic polymers and fullerenes; methods of electron correlation; localization; intermolecular interactions; structure and relative stabilities of biomolecules. Theory of liquids: equilibrium and non-equilibrium computer simulations; interpretation of diffraction data on disordered materials. Molecular modelling: simulations, electrostatics, structure-activity relationships.

Academic Staff: Baranyai András, Császár Attila, Fogarasi Géza, Harmat Veronika, Náray-Szabó Gábor, Pongor Gábor, Surján Péter, Szalay Péter, Tóth Gergely

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