@article{MTMT:34802521, title = {Organic Solvent-Based Li–Air Batteries with Cotton and Charcoal Cathode}, url = {https://m2.mtmt.hu/api/publication/34802521}, author = {Nagy, Lajos and Üneri, Haymana Serra and Kordován, Marcell Árpád and Nagy, Tibor and Kuki, Ákos and Nyul, Dávid and Pál, Petra and Erdélyi, Zoltán and Zsuga, Miklós and Kéki, Sándor}, doi = {10.1149/1945-7111/ad3857}, journal-iso = {J ELECTROCHEM SOC}, journal = {JOURNAL OF THE ELECTROCHEMICAL SOCIETY}, volume = {171}, unique-id = {34802521}, issn = {0013-4651}, abstract = {We report on the construction and investigation of Li–air batteries consisting of a charcoal cathode and cotton texture soaked with different organic solvents containing a lithium triflate (LiOTf) electrolyte. Charcoal was found to be an appropriate cathode for Li–air batteries. Furthermore, cycling tests showed stable operation at over 800 cycles when dimethyl sulfoxide (DMSO) and diethylene glycol dimethyl ether (DEGME) were used as solvents, whereas low electrochemical stability was observed when propylene carbonate was used. The charging, discharging, and long-term discharging steps were mathematically modeled. Electrochemical impedance spectroscopy showed Gerischer impedance, suggesting intensive oxygen transport at the surface of the charcoal cathode. Diffusion, charge transfer, and solid electrolyte interphase processes were identified using distribution of relaxation time analysis. In the polypropylene (PP) membrane soaked with LiOTf in DEGME, three different states of Li ions were identified by 7 Li-triple-quantum time proportional phase increment nuclear magnetic resonance measurements. On the basis of the latter results, a mechanism was suggested for Li-ion transport inside the PP membrane. The activity of the charcoal cathode was confirmed by Raman and cyclic voltammetry measurements.}, year = {2024}, eissn = {1945-7111}, orcid-numbers = {Nagy, Tibor/0000-0001-8568-914X} } @article{MTMT:34763386, title = {Hydration and wetting mechanism of borosilicate – Polyvinyl alcohol (PVA) hybrid aerogels of potential bioactivity}, url = {https://m2.mtmt.hu/api/publication/34763386}, author = {Ecsédi, Bertold and Forgács, Attila and Balogh, Zoltán and Fábián, István and Kalmár, József}, doi = {10.1016/j.molliq.2024.124605}, journal-iso = {J MOL LIQ}, journal = {JOURNAL OF MOLECULAR LIQUIDS}, volume = {401}, unique-id = {34763386}, issn = {0167-7322}, year = {2024}, eissn = {1873-3166}, orcid-numbers = {Kalmár, József/0000-0002-2422-6106} } @article{MTMT:34744438, title = {The triumvirate of effective and rapid synthesis, analysis, and artificial intelligence to explore the structure-property relationship of copolymers}, url = {https://m2.mtmt.hu/api/publication/34744438}, author = {Nagy, Tibor and Róth, Gergő and Kuki, Ákos and Pardi-Tóth, Veronika Csilla and Nyul, Dávid and Kyzy, Zuura Kaldybek and Palacios, Isaac Alexander Iglesias and Benedek, Máté and Nagy, Lajos and Zsuga, Miklós and Kéki, Sándor}, doi = {10.1016/j.giant.2024.100248}, journal-iso = {GIANT}, journal = {GIANT}, volume = {17}, unique-id = {34744438}, issn = {2666-5425}, abstract = {Understanding the structure-property relationship is of paramount importance for tailoring copolymers for specific applications. Poly(N-acryloylmorpholine)-block-poly(N-isopropylacrylamide) (PNAM-b-PNIPAM) diblock copolymers were synthesized by reversible addition?fragmentation chain transfer (RAFT) polymerization with varying Mn and composition, providing the basis for deducing structure-property relationships. The chemical structure of the copolymers was analyzed by mass spectrometry (MS). A novel and efficient mass spectrum processing methodology was developed for the detailed analysis of polymers/copolymers that greatly expands the upper mass limit of the time-of-flight (TOF) analyzers in the linear mode up to 20,000 Da. Our method "makes visible" the mass peaks of the individual copolymer species and their isotopologues providing effective and fast automatized analysis. The self-assembly property of the thermoresponsive PNAM-b-PNIPAM diblocks in aqueous solutions was investigated by dynamic light scattering (DLS) experiments, and quantified by determining the incipient temperature of the phase transition. For rapid evaluation, an artificial neural network (ANN) was created to explore the hidden relationships between the structural information obtained by our novel mass analysis method and the properties as well as to predict the self-assembly behavior of the copolymers.}, keywords = {COPOLYMERS; Artificial intelligence; MALDI-TOF MS; Structure-property relation}, year = {2024}, orcid-numbers = {Nagy, Tibor/0000-0001-8568-914X} } @article{MTMT:34655160, title = {Wetting of alginate aerogels, from mesoporous solids to hydrogels: a small-angle scattering analysis}, url = {https://m2.mtmt.hu/api/publication/34655160}, author = {Balogh, Zoltán and Kalmár, József and Gommes, Cedric J.}, doi = {10.1107/S1600576724001705}, journal-iso = {J APPL CRYSTALLOGR}, journal = {JOURNAL OF APPLIED CRYSTALLOGRAPHY}, volume = {57}, unique-id = {34655160}, issn = {0021-8898}, keywords = {Small-angle scattering; Aerogels; SCATTERING DATA-ANALYSIS; Boolean models}, year = {2024}, eissn = {1600-5767}, pages = {369-379}, orcid-numbers = {Kalmár, József/0000-0002-2422-6106} } @article{MTMT:34629003, title = {Alginate aerogels by spray gelation for enhanced pulmonary delivery and solubilization of beclomethasone dipropionate}, url = {https://m2.mtmt.hu/api/publication/34629003}, author = {Duong, Thoa and Vivero-Lopez, Maria and Ardao, Inés and Alvarez-Lorenzo, Carmen and Forgács, Attila and Kalmár, József and García-González, Carlos A.}, doi = {10.1016/j.cej.2024.149849}, journal-iso = {CHEM ENG J}, journal = {CHEMICAL ENGINEERING JOURNAL}, volume = {485}, unique-id = {34629003}, issn = {1385-8947}, year = {2024}, eissn = {1873-3212}, orcid-numbers = {Kalmár, József/0000-0002-2422-6106} } @article{MTMT:34583653, title = {Determination of 93Zr, 237Np and Th radionuclides in radioactive waste and mineral samples: extension of the method for determination of actinides}, url = {https://m2.mtmt.hu/api/publication/34583653}, author = {Papp, István and Vajda, Nóra and Bokori, Edit and Molnár, Zsuzsa}, doi = {10.1007/s10967-023-09350-0}, journal-iso = {J RADIOANAL NUCL CH LE (1984-1996)}, journal = {JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY- LETTERS}, unique-id = {34583653}, issn = {0236-5731}, abstract = {A novel method has been developed for the simultaneous determination of difficult-to-measure (DTM) nuclides 93 Zr, 237 Np, 232 Th, 230 Th and 228 Th using a DGA resin ® (containing N,N,N′,N′-tetra- n -octyl-diglycolamide) column for simultaneous separation of Zr and actinides followed by purification of Zr, Np and Th on a TEVA resin ® (containing Aliquat 336) column. Samples are destroyed by fusion with sodium hydroxide or by acid destruction using HNO 3 , HCl and HF. Pre-concentration procedure tailored to the extraction chromatography is based on co-precipitation of Zr and actinides and removal of alumina, silica, iron and calcium. The concentrations of 93 Zr, 237 Np and Th nuclides are determined by ICP-MS and α spectrometry, respectively. High chemical recoveries (≥ 73%) and separation factors were obtained for Zr, Np and Th both in evaporation concentrates of an NPP and various samples of mineral origin such as soil and concrete. The procedure can be easily combined with the simultaneous separation of other actinides (Pu, Am, U) using the same DGA column that has been described in our previous papers (Cassette et al. in Appl Radiat Isot 68:122–130, 2010 and Groska et al. in J Radioanal Nucl Chem 309(3):1145–1158, 2016).}, year = {2024}, orcid-numbers = {Papp, István/0000-0002-0006-9919} } @article{MTMT:34538335, title = {Nanoscale structural characteristics and in vitro bioactivity of borosilicate – polyvinyl alcohol (PVA) hybrid aerogels for bone regeneration}, url = {https://m2.mtmt.hu/api/publication/34538335}, author = {Balogh, Zoltán and Len, Adél and Baksa, Viktória and Krajnc, Andraž and Herman, Petra and Szemán-Nagy, Gábor and Czigány, Zsolt and Fábián, István and Kalmár, József and Dudás, Zoltán Imre}, doi = {10.1021/acsanm.3c05668}, journal-iso = {ACS APPL NANO MATER}, journal = {ACS APPLIED NANO MATERIALS}, volume = {7}, unique-id = {34538335}, keywords = {Bone regeneration}, year = {2024}, eissn = {2574-0970}, pages = {4092-4102}, orcid-numbers = {Szemán-Nagy, Gábor/0000-0003-1906-0188; Czigány, Zsolt/0000-0001-6410-8801; Kalmár, József/0000-0002-2422-6106} } @article{MTMT:34523622, title = {Hydroxymethylfurfural content of old honey samples – Does the sticky treat really last forever?}, url = {https://m2.mtmt.hu/api/publication/34523622}, author = {Sajtos, Zsófi and Ragyák, Ágota and Hódi, Fruzsina and Szigeti, Viktória and Bellér, Gábor and Baranyai, Edina}, doi = {10.1016/j.lwt.2024.115781}, journal-iso = {LWT-FOOD SCI TECHNOL}, journal = {LWT-FOOD SCIENCE AND TECHNOLOGY}, unique-id = {34523622}, issn = {0023-6438}, year = {2024}, eissn = {1096-1127}, orcid-numbers = {Bellér, Gábor/0000-0003-4005-1534} } @article{MTMT:34433135, title = {The role of the terminal cysteine moiety in a metallopeptide mimicking the active site of the NiSOD enzyme}, url = {https://m2.mtmt.hu/api/publication/34433135}, author = {Bonczidai-Kelemen, Dóra and Tóth, Klaudia and Fábián, István and Lihi, Norbert}, doi = {10.1039/D3DT03638C}, journal-iso = {J CHEM SOC DALTON TRANS}, journal = {JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS}, volume = {53}, unique-id = {34433135}, issn = {1472-7773}, abstract = {Superoxide dismutase enzymes (SOD) are pivotal in regulating oxidative stress. In order to model Ni containing SOD enzymes, the results of thermodynamic, spectroscopic and SOD activity studies on the complexes...}, year = {2024}, pages = {1648-1656}, orcid-numbers = {Lihi, Norbert/0000-0003-2986-2395} } @article{MTMT:34398343, title = {Improving the Potential of ParaCEST through Magnetic-coupling Induced Line Sharpening}, url = {https://m2.mtmt.hu/api/publication/34398343}, author = {Guo, Xin and Zhang, Lei and Hu, Jie-Sheng and Szilágyi , Balázs and Yu, Meng and Chen, Shizhen and Tircsó, Gyula and Zhou, Xin and Tao, Jun}, doi = {10.1039/D3SC04770A}, journal-iso = {CHEM SCI}, journal = {CHEMICAL SCIENCE}, volume = {14}, unique-id = {34398343}, issn = {2041-6520}, abstract = {Magnetic coupling between paramagnetic centers is a crucial phenomenon in the design of efficient MRI contrast agents. In this study, we investigate the paraCEST properties and magnetic coupling effects of...}, year = {2023}, eissn = {2041-6539}, pages = {14157-14165}, orcid-numbers = {Tircsó, Gyula/0000-0002-7896-7890} }