@article{MTMT:34757551,
	title = {Optical Investigation of 2-amino-7-isocyanofluorene, a Novel Blue-Emitting Solvatochromic Dye},
	url = {https://m2.mtmt.hu/api/publication/34757551},
	author = {Kontra, Bence and Mucsi, Zoltán and Vanyorek, László and Nagy, Miklós},
	doi = {10.3390/colorants3020006},
	journal-iso = {Colorants},
	journal = {COLORANTS},
	volume = {3},
	unique-id = {34757551},
	abstract = {Smart solvatochromic isocyano-aminoarenes (ICAArs) have been gaining attention owing to their unique photophysical, antifungal and anticancer properties. Using a simple dehydration reaction with in situ-generated dichlorocarbene, we prepared 2-amino-7-isocyanofluorene (2,7-ICAF). We studied the effect of the longer polarization axis provided by the fluorene core on the spectral properties and we also compared it to those of the starting diamine. 2,7-ICAF shows a clear solvatochromic behavior close to the blue part (370–420 nm) of the visible spectrum. Quantum chemical calculations show internal charge transfer (ICT) between the donor amino and the electron-withdrawing isocyano groups. 2,7-ICAF has high molar absorptivity (ε = 15–18·103 M−1cm−1) and excellent quantum yield (Φf = 70–95%) in most solvents; however, its fluorescence is completely quenched in water. The high brightness (ε·Φf) and close to zero quantum yield in water may be favorable in biolabeling applications, where background fluorescence should be kept minimal. Overall, 2,7-ICAF shows enhanced photophysical properties compared to its previously investigated relative 4-amino-4′-isocyano-1,1′-biphenyl (4,4′-ICAB).},
	year = {2024},
	eissn = {2079-6447},
	pages = {86-98},
	orcid-numbers = {Kontra, Bence/0000-0001-8293-3637; Mucsi, Zoltán/0000-0003-3224-8847; Nagy, Miklós/0000-0002-3484-2244}
}

@{MTMT:34511143,
	title = {Eljárás higany hatékony eltávolítására vízből aromás izocianidok felhasználásával redukálószerként},
	url = {https://m2.mtmt.hu/api/publication/34511143},
	author = {Nagy, Miklós and Vanyorek, László and Braun, Mihály and Sóvágó, Dávid and Mucsi, Zoltán and Viskolcz, Béla and Czébely, Andrea},
	unique-id = {34511143},
	year = {2023},
	orcid-numbers = {Nagy, Miklós/0000-0002-3484-2244; Mucsi, Zoltán/0000-0003-3224-8847; Czébely, Andrea/0000-0002-6439-2977}
}

@article{MTMT:34509253,
	title = {Excited state iminium form can explain the unexpected solvatochromic behavior of symmetric 1,5- and 1,8-diaminonaphthalenes},
	url = {https://m2.mtmt.hu/api/publication/34509253},
	author = {Kopcsik, Erika and Mucsi, Zoltán and Kontra, Bence and Vanyorek, László and Gál, R. and Viskolcz, Béla and Nagy, Miklós},
	doi = {10.1039/d3cc05643k},
	journal-iso = {CHEM COMMUN},
	journal = {CHEMICAL COMMUNICATIONS},
	volume = {60},
	unique-id = {34509253},
	issn = {1359-7345},
	year = {2023},
	eissn = {1364-548X},
	pages = {1008-1011},
	orcid-numbers = {Mucsi, Zoltán/0000-0003-3224-8847; Kontra, Bence/0000-0001-8293-3637; Nagy, Miklós/0000-0002-3484-2244}
}

@article{MTMT:34442783,
	title = {Az 1,5-diizocianonaftalin optikai tulajdonságainak vizsgálata},
	url = {https://m2.mtmt.hu/api/publication/34442783},
	author = {Kopcsik, Erika and Mucsi, Zoltán and Nagy, Miklós},
	journal-iso = {Doktorandusz Almanach},
	journal = {Doktorandusz Almanach},
	volume = {1},
	unique-id = {34442783},
	issn = {2939-7294},
	year = {2023},
	pages = {117-122},
	orcid-numbers = {Mucsi, Zoltán/0000-0003-3224-8847; Nagy, Miklós/0000-0002-3484-2244}
}

@article{MTMT:34441840,
	title = {Development of Magnetizable, Nickel–Ferrite-Decorated Carbon Nanocomposites as Hydrogenation Catalyst for Aniline Synthesis},
	url = {https://m2.mtmt.hu/api/publication/34441840},
	author = {Prekob, Ádám and Szegedi, Máté Péter and Muránszky, Gábor and Kristály, Ferenc and Nagy, Miklós and Halasi, Gyula and Szamosvölgyi, Ákos and Fiser, Béla and Viskolcz, Béla and Vanyorek, László},
	doi = {10.3390/ijms242417547},
	journal-iso = {INT J MOL SCI},
	journal = {INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES},
	volume = {24},
	unique-id = {34441840},
	issn = {1661-6596},
	abstract = {Catalysts with magnetic properties can be easily recovered from the reaction medium without loss by using a magnetic field, which highly improves their applicability. To design such systems, we have successfully combined the magnetic properties of nickel ferrite nanoparticles with the positive properties of carbon-based catalyst supports. Amine-functionalized NiFe2O4 nanoparticles were deposited on the surfaces of nitrogen-doped bamboo-like carbon nanotubes (N-BCNT) and carbon nanolayers (CNL) by using a coprecipitation process. The magnetizable catalyst supports were decorated by Pd nanoparticles, and their catalytic activity was tested through the hydrogenation of nitrobenzene (NB). By using the prepared catalysts, high nitrobenzene conversion (100% for 120 min at 333 K) and a high aniline yield (99%) were achieved. The Pd/NiFe2O4-CNL catalyst was remarkable in terms of stability during the reuse tests due to the strong interaction formed between the catalytically active metal and its support (the activity was retained during four cycles of 120 min at 333 K). Furthermore, despite the long-lasting mechanical stress, no significant palladium loss (only 0.08 wt%) was detected.},
	year = {2023},
	eissn = {1422-0067},
	orcid-numbers = {Kristály, Ferenc/0000-0002-0075-5994; Nagy, Miklós/0000-0002-3484-2244; Halasi, Gyula/0000-0003-0195-9400; Fiser, Béla/0000-0003-0603-4626}
}

@article{MTMT:34315952,
	title = {Development of Polymer-Encapsulated, Amine-Functionalized Zinc Ferrite Nanoparticles as MRI Contrast Agents},
	url = {https://m2.mtmt.hu/api/publication/34315952},
	author = {Ilosvai, Mária Ágnes and Forgách, László and Stelczerné Kovács, Noémi and Heydari, Fatemeh and Szigeti, Krisztián and Máthé, Domokos and Kristály, Ferenc and Daróczi, Lajos and Kaleta, Zoltán and Viskolcz, Béla and Nagy, Miklós and Vanyorek, László},
	doi = {10.3390/ijms242216203},
	journal-iso = {INT J MOL SCI},
	journal = {INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES},
	volume = {24},
	unique-id = {34315952},
	issn = {1661-6596},
	abstract = {The need for stable and well-defined magnetic nanoparticles is constantly increasing in biomedical applications; however, their preparation remains challenging. We used two different solvothermal methods (12 h reflux and a 4 min microwave, MW) to synthesize amine-functionalized zinc ferrite (ZnFe2O4-NH2) superparamagnetic nanoparticles. The morphological features of the two ferrite samples were the same, but the average particle size was slightly larger in the case of MW activation: 47 ± 14 nm (Refl.) vs. 63 ± 20 nm (MW). Phase identification measurements confirmed the exclusive presence of zinc ferrite with virtually the same magnetic properties. The Refl. samples had a zeta potential of −23.8 ± 4.4 mV, in contrast to the +7.6 ± 6.8 mV measured for the MW sample. To overcome stability problems in the colloidal phase, the ferrite nanoparticles were embedded in polyvinylpyrrolidone and could be easily redispersed in water. Two PVP-coated zinc ferrite samples were administered (1 mg/mL ZnFe2O4) in X BalbC mice and were compared as contrast agents in magnetic resonance imaging (MRI). After determining the r1/r2 ratio, the samples were compared to other commercially available contrast agents. Consistent with other SPION nanoparticles, our sample exhibits a concentrated presence in the hepatic region of the animals, with comparable biodistribution and pharmacokinetics suspected. Moreover, a small dose of 1.3 mg/body weight kg was found to be sufficient for effective imaging. It should also be noted that no toxic side effects were observed, making ZnFe2O4-NH2 advantageous for pharmaceutical formulations.},
	year = {2023},
	eissn = {1422-0067},
	orcid-numbers = {Forgách, László/0000-0001-6089-9124; Kristály, Ferenc/0000-0002-0075-5994; Kaleta, Zoltán/0000-0003-2350-5100; Nagy, Miklós/0000-0002-3484-2244}
}

@article{MTMT:34117847,
	title = {Amine Functionalization Leads to Enhanced Performance for Nickel- and Cobalt-Ferrite-Supported Palladium Catalysts in Nitrobenzene Hydrogenation},
	url = {https://m2.mtmt.hu/api/publication/34117847},
	author = {Hajdu, Viktória and Prekob, Ádám and Muránszky, Gábor and Kristály, Ferenc and Daróczi, Lajos and Harasztosi, Lajos and Kaleta, Zoltán and Viskolcz, Béla and Nagy, Miklós and Vanyorek, László},
	doi = {10.3390/ijms241713347},
	journal-iso = {INT J MOL SCI},
	journal = {INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES},
	volume = {24},
	unique-id = {34117847},
	issn = {1661-6596},
	abstract = {Easy preparation, good yield and easy recovery are the key challenges in the development of industrial catalysts. To meet all these three criteria, we have prepared intelligent, magnetizable NiFe2O4- and CoFe2O4-supported palladium catalysts that can be easily and completely recovered from the reaction medium by magnetic separation. The fast and facile preparation was achieved by a solvothermal method followed by sonochemical-assisted decomposition of the palladium nanoparticles onto the surface of the magnetic nanoparticles. The metal–support interaction was enhanced by amine functionalization of the supports using monoethanolamine. The performance and stability of the non-functionalized and amine-functionalized NiFe2O4- and CoFe2O4-supported palladium catalysts were compared in the industrially important nitrobenzene hydrogenation reaction. All catalysts showed high catalytic activity during aniline synthesis; complete nitrobenzene conversion and high aniline yield (above 97 n/n%) and selectivity (above 98 n/n%) were achieved. However, during reuse tests, the activity of the non-functionalized catalysts decreased, as the palladium was leached from the surface of the support. On the other hand, in the case of their amine-functionalized counterparts, there was no decrease in activity, and a non-significant decrease in palladium content could be measured. Based on these results, it can be concluded that amine functionalization of transition metal ferrites may result in more effective catalysts due to the enhanced metal–carrier interaction between the support and the precious metal.},
	year = {2023},
	eissn = {1422-0067},
	orcid-numbers = {Kristály, Ferenc/0000-0002-0075-5994; Kaleta, Zoltán/0000-0003-2350-5100; Nagy, Miklós/0000-0002-3484-2244}
}

@article{MTMT:33770232,
	title = {Preparation and Optical Study of 1-Formamido-5-Isocyanonaphthalene, the Hydrolysis Product of the Potent Antifungal 1,5-Diisocyanonaphthalene},
	url = {https://m2.mtmt.hu/api/publication/33770232},
	author = {Kopcsik, Erika and Mucsi, Zoltán and Kontra, Bence and Vanyorek, László and Váradi, Csaba and Viskolcz, Béla and Nagy, Miklós},
	doi = {10.3390/ijms24097780},
	journal-iso = {INT J MOL SCI},
	journal = {INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES},
	volume = {24},
	unique-id = {33770232},
	issn = {1661-6596},
	abstract = {Aromatic isocyanides have gained a lot of attention lately as promising antifungal and anticancer drugs, as well as high-performance fluorescent analytical probes for the detection of toxic metals, such as mercury, even in vivo. Since this topic is relatively new and aromatic isocyanides possess unique photophysical properties, the understanding of structure–behavior relationships and the preparation of novel potentially biologically active derivatives are of paramount importance. Here, we report the photophysical characterization of 1,5-diisocyanonaphthalene (DIN) backed by quantum chemical calculations. It was discovered that DIN undergoes hydrolysis in certain solvents in the presence of oxonium ions. By the careful control of the reaction conditions for the first time, the nonsymmetric product 1-formamido-5-isocyanonaphthalene (ICNF) could be prepared. Contrary to expectations, the monoformamido derivative showed a significant solvatochromic behavior with a ~50 nm range from hexane to water. This behavior was explained by the enhanced H-bond-forming ability of the formamide group. The significance of the hydrolysis reaction is that the isocyano group is converted to formamide in living organisms. Therefore, ICNF could be a potential drug (for example, antifungal) and the reaction can be used as a model for the preparation of other nonsymmetric formamido–isocyanoarenes. In contrast to its relative 1-amino-5-iscyanonaphthalene (ICAN), ICNF is highly fluorescent in water, enabling the development of a fluorescent turnoff probe.},
	year = {2023},
	eissn = {1422-0067},
	orcid-numbers = {Mucsi, Zoltán/0000-0003-3224-8847; Kontra, Bence/0000-0001-8293-3637; Vanyorek, László/0000-0002-0630-0595; Váradi, Csaba/0000-0002-2672-095X; Nagy, Miklós/0000-0002-3484-2244}
}

@book{MTMT:33225784,
	title = {Symposium on Polyurethane Innovation - SPI 2022, Conference publications},
	url = {https://m2.mtmt.hu/api/publication/33225784},
	isbn = {9789633582541},
	editor = {Hornyák-Mester, Enikő and Mentes, Dóra and Nagy, Miklós and Fiser, Béla and Viskolcz, Béla},
	publisher = {Miskolci Egyetem, Felsőoktatási és Ipari Együttműködési Központ; Miskolci Egyetem, Kémiai Intézet},
	unique-id = {33225784},
	year = {2022},
	orcid-numbers = {Nagy, Miklós/0000-0002-3484-2244; Fiser, Béla/0000-0003-0603-4626}
}

@article{MTMT:33201031,
	title = {Palladium Decorated, Amine Functionalized Ni-, Cd- and Co-Ferrite Nanospheres as Novel and Effective Catalysts for 2,4-Dinitrotoluene Hydrogenation},
	url = {https://m2.mtmt.hu/api/publication/33201031},
	author = {Hajdu, Viktória and Sikora, Emőke and Kristály, Ferenc and Muránszky, Gábor and Fiser, Béla and Viskolcz, Béla and Nagy, Miklós and Vanyorek, László},
	doi = {10.3390/ijms232113197},
	journal-iso = {INT J MOL SCI},
	journal = {INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES},
	volume = {23},
	unique-id = {33201031},
	issn = {1661-6596},
	abstract = {2,4-Diaminotoluene (TDA) is one of the most important polyurethane precursors produced in large quantities by the hydrogenation of 2,4-dinitrotoluene using catalysts. Any improvement during the catalysis reaction is therefore of significant importance. Separation of the catalysts by filtration is cumbersome and causes catalyst loss. To solve this problem, we have developed magnetizable, amine functionalized ferrite supported palladium catalysts. Cobalt ferrite (CoFe2O4-NH2), nickel ferrite (NiFe2O4-NH2), and cadmium ferrite (CdFe2O4-NH2) magnetic catalyst supports were produced by a simple coprecipitation/sonochemical method. The nanospheres formed contain only magnetic (spinel) phases and show catalytic activity even without noble metals (palladium, platinum, rhodium, etc.) during the hydrogenation of 2,4-dinitrotoluene, 63% (n/n) conversion is also possible. By decorating the supports with palladium, almost 100% TDA selectivity and yield were ensured by using Pd/CoFe2O4-NH2 and Pd/NiFe2O4-NH2 catalysts. These catalysts possess highly favorable properties for industrial applications, such as easy separation from the reaction medium without loss by means of a magnetic field, enhanced reusability, and good dispersibility in aqueous medium. Contrary to non-functionalized supports, no significant leaching of precious metals could be detected even after four cycles.},
	year = {2022},
	eissn = {1422-0067},
	orcid-numbers = {Kristály, Ferenc/0000-0002-0075-5994; Fiser, Béla/0000-0003-0603-4626; Nagy, Miklós/0000-0002-3484-2244}
}