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Prof. Dr. Tibor Pasinszki
Fiji National University

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Preprint content
Published: 23 August 2020
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Ciguatoxins are very potent marine neurotoxins, that accumulate to toxic levels in edible fish in certain circumtropical areas, and are associated with ciguatera fish poisoning worldwide. Ciguatoxins are produced by specific benthic dinoflagellate species, enter the marine food chain via herbivorous fish and invertebrates, and eventually biotransformed in herbivorous, omnivorous, and carnivorous fishes to more poisonous forms. Ciguatoxins cause risks to human health at very low concentrations. To decrease the risk of ciguatera fish poisoning, it is important to know fishing areas with low risk of ciguatoxins, as well as to test fish tissue for toxins before consumption. Modern laboratories are using several detection techniques, such as mouse bioassay, cell-based assays, receptor-binding assays, antibody-based immunoassays, electrochemical methods, and analytical techniques, to obtain information about the total toxicity of fish tissue samples, as well as to identify toxins and to determine the toxin profile. State-of-the-art ciguatoxin detection involves the combination of a cell-based assay or receptor-binding assay to screen the total toxicity and liquid chromatography coupled with mass spectrometry to confirm toxins and provide toxin profiles. 

ACS Style

Tibor Pasinszki; Jimaima Lako; Todd Dennis. Ciguatoxins in Fish. 2020, 1 .

AMA Style

Tibor Pasinszki, Jimaima Lako, Todd Dennis. Ciguatoxins in Fish. . 2020; ():1.

Chicago/Turabian Style

Tibor Pasinszki; Jimaima Lako; Todd Dennis. 2020. "Ciguatoxins in Fish." , no. : 1.

Journal article
Published: 18 August 2020 in Chemosphere
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This paper presents the synthesis of bio-graphene foams (bGFs) from renewable sources, and the application of bGFs as new adsorbents in removal of chromate ions and oil contaminants from waste water. A two-step synthetic method was developed to produce bGFs with unique porous architecture and high specific surface area (up to 805 m2 g–1) that is highly desirable for environmental applications. The adsorption performance of prepared bGFs for removal of chromate ions from water was studied in relation to CrO42‒ concentration, adsorbent load, pH, and contact time to confirm adsorption capacity, kinetics and pH dependence. The adsorption isotherms of chromate ions were consistent with the Langmuir model, revealing an outstanding adsorption capacity of 245 mg of Cr(VI)/g bGF (pH∼7). bGFs were capable of reducing Cr(VI) in water below the maximum permissible level (0.050 mg dm–3) for human consumption (WHO). In a second application, our results convincingly showed excellent performance of bGFs in separating organic solvents and oils from water in a continuous oil-water separation process showing 99.1% and 98.8% separation efficiency for toluene and petroleum, respectively. Our findings confirm that the outstanding performance of bGFs, and suggest their use as efficient adsorbents for environmental remediation.

ACS Style

Melinda Krebsz; Tibor Pasinszki; Tran Thanh Tung; Junker Nine; Dusan Losic. Multiple applications of bio-graphene foam for efficient chromate ion removal and oil-water separation. Chemosphere 2020, 263, 127790 .

AMA Style

Melinda Krebsz, Tibor Pasinszki, Tran Thanh Tung, Junker Nine, Dusan Losic. Multiple applications of bio-graphene foam for efficient chromate ion removal and oil-water separation. Chemosphere. 2020; 263 ():127790.

Chicago/Turabian Style

Melinda Krebsz; Tibor Pasinszki; Tran Thanh Tung; Junker Nine; Dusan Losic. 2020. "Multiple applications of bio-graphene foam for efficient chromate ion removal and oil-water separation." Chemosphere 263, no. : 127790.

Review
Published: 31 July 2020 in Toxins
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Ciguatera fish poisoning (CFP) is currently the most common marine biotoxin food poisoning worldwide, associated with human consumption of circumtropical fish and marine invertebrates that are contaminated with ciguatoxins. Ciguatoxins are very potent sodium-channel activator neurotoxins, that pose risks to human health at very low concentrations (>0.01 ng per g of fish flesh in the case of the most potent Pacific ciguatoxin). Symptoms of CFP are nonspecific and intoxication in humans is often misdiagnosed. Presently, there is no medically approved treatment of ciguatera. Therefore, to mitigate the risks of CFP, reliable detection of ciguatoxins prior to consumption of fish tissue is acutely needed, which requires application of highly sensitive and quantitative analytical tests. During the last century a number of methods have been developed to identify and quantify the concentration of ciguatoxins, including in vivo animal assays, cell-based assays, receptor binding assays, antibody-based immunoassays, electrochemical methods, and analytical techniques based on coupling of liquid chromatography with mass spectrometry. Development of these methods, their various advantages and limitations, as well as future challenges are discussed in this review.

ACS Style

Tibor Pasinszki; Jimaima Lako; Todd E. Dennis. Advances in Detecting Ciguatoxins in Fish. Toxins 2020, 12, 494 .

AMA Style

Tibor Pasinszki, Jimaima Lako, Todd E. Dennis. Advances in Detecting Ciguatoxins in Fish. Toxins. 2020; 12 (8):494.

Chicago/Turabian Style

Tibor Pasinszki; Jimaima Lako; Todd E. Dennis. 2020. "Advances in Detecting Ciguatoxins in Fish." Toxins 12, no. 8: 494.

Review
Published: 09 May 2020 in Nanomaterials
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Present and past anthropogenic pollution of the hydrosphere and lithosphere is a growing concern around the world for sustainable development and human health. Current industrial activity, abandoned contaminated plants and mining sites, and even everyday life is a pollution source for our environment. There is therefore a crucial need to clean industrial and municipal effluents and remediate contaminated soil and groundwater. Nanosized zero-valent iron (nZVI) is an emerging material in these fields due to its high reactivity and expected low impact on the environment due to iron’s high abundance in the earth crust. Currently, there is an intensive research to test the effectiveness of nZVI in contaminant removal processes from water and soil and to modify properties of this material in order to fulfill specific application requirements. The number of laboratory tests, field applications, and investigations for the environmental impact are strongly increasing. The aim of the present review is to provide an overview of the current knowledge about the catalytic activity, reactivity and efficiency of nZVI in removing toxic organic and inorganic materials from water, wastewater, and soil and groundwater, as well as its toxic effect for microorganisms and plants.

ACS Style

Tibor Pasinszki; Melinda Krebsz. Synthesis and Application of Zero-Valent Iron Nanoparticles in Water Treatment, Environmental Remediation, Catalysis, and Their Biological Effects. Nanomaterials 2020, 10, 917 .

AMA Style

Tibor Pasinszki, Melinda Krebsz. Synthesis and Application of Zero-Valent Iron Nanoparticles in Water Treatment, Environmental Remediation, Catalysis, and Their Biological Effects. Nanomaterials. 2020; 10 (5):917.

Chicago/Turabian Style

Tibor Pasinszki; Melinda Krebsz. 2020. "Synthesis and Application of Zero-Valent Iron Nanoparticles in Water Treatment, Environmental Remediation, Catalysis, and Their Biological Effects." Nanomaterials 10, no. 5: 917.

Article
Published: 30 November 2019 in Research on Chemical Intermediates
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The 1,2,4-thiadiazole moiety is an important component of several biologically active compounds, and varying substituents on this aromatic ring is one of the possible methods to develop novel thiadiazole-based drugs for medicine. A key building block to this end, namely 3,5-diiodo-1,2,4-thiadiazole (1), has been synthesized and characterized in this work for the first time. 1 has exhibited high selectivity for the replacement of iodine atom at position C5 (carbon next to sulfur) in Sonogashira-type cross-coupling reactions with phenylacetylene. Therefore, 3-iodo-5-(phenylethynyl)-1,2,4-thiadiazole (4) or 3,5-bis(phenylethynyl)-1,2,4-thiadiazole (5) could be synthesized selectively depending on reaction conditions. All three novel molecules have been characterized by NMR, IR, Raman, mass, and UV spectroscopies, and their solid phase structures have been determined by single-crystal X-ray diffraction. 1 is expected to be a key starting material for producing thiadiazole-based therapeutic agents using cross-coupling reactions.

ACS Style

Mohammed Boulhaoua; Ana Torvisco; Tibor Pasinszki. Toward the synthesis of thiadiazole-based therapeutic agents: synthesis, spectroscopic study, X-ray analysis, and cross-coupling reactions of the key intermediate 3,5-diiodo-1,2,4-thiadiazole. Research on Chemical Intermediates 2019, 46, 1507 -1519.

AMA Style

Mohammed Boulhaoua, Ana Torvisco, Tibor Pasinszki. Toward the synthesis of thiadiazole-based therapeutic agents: synthesis, spectroscopic study, X-ray analysis, and cross-coupling reactions of the key intermediate 3,5-diiodo-1,2,4-thiadiazole. Research on Chemical Intermediates. 2019; 46 (2):1507-1519.

Chicago/Turabian Style

Mohammed Boulhaoua; Ana Torvisco; Tibor Pasinszki. 2019. "Toward the synthesis of thiadiazole-based therapeutic agents: synthesis, spectroscopic study, X-ray analysis, and cross-coupling reactions of the key intermediate 3,5-diiodo-1,2,4-thiadiazole." Research on Chemical Intermediates 46, no. 2: 1507-1519.

Chemical routes to materials
Published: 26 September 2019 in Journal of Materials Science
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A new and simple method is developed to synthesize carbon microspheres decorated with iron sulfide nanoparticles for mercury ion removal from water. The synthesis is based on carbonizing polystyrene–divinylbenzene-based and iron(III) sulfate-loaded cation exchange resins between 500 and 1000 °C. The phase composition, surface area, and morphology of these materials are characterized by various spectroscopic and diffraction techniques, including Mössbauer spectroscopy, powder X-ray diffraction, Raman and scanning electron microscopy, and BET analysis. Pyrrhotite is found to be the dominant iron-containing phase. The adsorption performance of microspheres for mercury ion removal from water is studied as a function of adsorbent load and contact time at pH 6.5 using a solution of 40 mg dm−3 mercury ion. Pyrrhotite nanoparticles played a key role in mercury ion removal amounting to 70–90% of the extracted amount. A high adsorption capacity of 104 mg of mercury/g of adsorbent at an adsorbent load of 0.33 g dm−3 is achieved, and the removal kinetics could be well fitted with a pseudo-second-order kinetic model, indicating chemical sorption. The synthetic method is easy to scale up for large-scale production and materials are easy to handle, which is significant for large-scale environmental applications.

ACS Style

Tibor Pasinszki; Melinda Krebsz; Deepak Chand; László Kótai; Zoltán Homonnay; István E. Sajó; Tamás Váczi. Carbon microspheres decorated with iron sulfide nanoparticles for mercury(II) removal from water. Journal of Materials Science 2019, 55, 1425 -1435.

AMA Style

Tibor Pasinszki, Melinda Krebsz, Deepak Chand, László Kótai, Zoltán Homonnay, István E. Sajó, Tamás Váczi. Carbon microspheres decorated with iron sulfide nanoparticles for mercury(II) removal from water. Journal of Materials Science. 2019; 55 (4):1425-1435.

Chicago/Turabian Style

Tibor Pasinszki; Melinda Krebsz; Deepak Chand; László Kótai; Zoltán Homonnay; István E. Sajó; Tamás Váczi. 2019. "Carbon microspheres decorated with iron sulfide nanoparticles for mercury(II) removal from water." Journal of Materials Science 55, no. 4: 1425-1435.

Journal article
Published: 26 May 2019 in European Chemical Bulletin
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The copper nanoparticles grafted on carbon microsphere is employed for an efficient one-pot three-component synthesis of spirooxoindole derivatives involving isatin, malononitrile and enolizable ketones such as 3-methyl-1-phenyl-2-pyrazolin-5-one, 3-methyl-1-(2-chlorophenyl)-2-pyrazoline 5-one, 4-hydroxy-6-methyl-2-pyrone and 1-methyl-4-hydroxyquinoline-2-one. The cheap starting material, easy separation, high catalytic efficiency and reusability of the catalyst for several times without loss of its efficiency, good yield of products and simple workup are promising features of the reaction in 1:1 (v/v) aqueous-alcoholic medium.

ACS Style

N. S. Kaminwar; S. B. Patwari; Santosh P. Goskulwad; Santosh D. More; Sanjay K. Vyawahare; T. Pasinszki; L. Kotai; R. P. Pawar. A ONE POT THREE-COMPONENT SYNTHESIS OF SPIROOXOINDOLES USING Cu-NANOPARTICLES GRAFTED ON CARBON MICROSPHERES AS CATALYST. European Chemical Bulletin 2019, 8, 153 -159.

AMA Style

N. S. Kaminwar, S. B. Patwari, Santosh P. Goskulwad, Santosh D. More, Sanjay K. Vyawahare, T. Pasinszki, L. Kotai, R. P. Pawar. A ONE POT THREE-COMPONENT SYNTHESIS OF SPIROOXOINDOLES USING Cu-NANOPARTICLES GRAFTED ON CARBON MICROSPHERES AS CATALYST. European Chemical Bulletin. 2019; 8 (5):153-159.

Chicago/Turabian Style

N. S. Kaminwar; S. B. Patwari; Santosh P. Goskulwad; Santosh D. More; Sanjay K. Vyawahare; T. Pasinszki; L. Kotai; R. P. Pawar. 2019. "A ONE POT THREE-COMPONENT SYNTHESIS OF SPIROOXOINDOLES USING Cu-NANOPARTICLES GRAFTED ON CARBON MICROSPHERES AS CATALYST." European Chemical Bulletin 8, no. 5: 153-159.

Book chapter
Published: 04 May 2019 in Advances in Clinical Chemistry
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Celiac disease (CD) is a T cell-mediated inflammatory autoimmune disorder of the upper small intestine caused by the ingestion of gluten. It is increasingly recognized as a global problem by experts and societies. The diagnosis of CD is of crucial importance because its delay strongly affects patient's health and quality of life. The diagnosis of CD is, however, complex and requires reliable, sensitive, specific, rapid, simple, and cost-effective, as well-as non-invasive analytical tools. There is also a high demand to develop simple point-of-care (POC) tests for non-specialists at home or in doctors' offices. Analytical techniques are now moving toward the development of fast, more simple, non-invasive, and POC analyses. The present review focuses on recent advances of CD biomarker detection in body fluids, concerning CD specific autoantibody detection in blood and saliva using electrochemical, optic-fiber, and piezoelectric biosensors and POC finger-prick tests, and identifying CD characteristic volatile organic compounds (VOCs) in urine and feces.

ACS Style

Tibor Pasinszki; Melinda Krebsz. Advances in celiac disease testing. Advances in Clinical Chemistry 2019, 91, 1 -29.

AMA Style

Tibor Pasinszki, Melinda Krebsz. Advances in celiac disease testing. Advances in Clinical Chemistry. 2019; 91 ():1-29.

Chicago/Turabian Style

Tibor Pasinszki; Melinda Krebsz. 2019. "Advances in celiac disease testing." Advances in Clinical Chemistry 91, no. : 1-29.

Journal article
Published: 26 March 2019 in Current Organic Synthesis
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Aim and Objective: The present study was performed with the aim to develop an efficient and environmentally benign protocol for the synthesis of biologically siginifcant 3, 4-dihydropyrano[c]chromenes using a new catalytic material. The protocol involves the use of a reusable, environment friendly materials and solvents with operational simplicity. Materials and Methods: Carbon microsphere supported copper nanoparticles (Cu-NP/C) prepared from loaded cation exchange resin were synthesized, characterized with well versed analytical techniques such as XRD, SEM and Raman spectroscopy and the synthesized material was used as a catalyst for the environmentally benign synthesis of 3,4-dihydropyrano[c]chromenes. Results: The formation of carbon microsphere supported copper nanoparticles (Cu-NP/C) prepared from loaded cation exchange resin was confirmed by XRD, SEM and Raman spectroscopy which was employed as a heterogeneous material for the synthesis of 3,4-dihydropyrano[c]chromenes. The products formed were characterized by the analysis of spectroscopic data - NMR, IR and mass. The safe catalytic system offers several advantages including operational simplicity, environmental friendliness, high yield, and reusability of catalyst and green chemical transformation. Conclusion: Herein we report an easy and efficient protocol for the one-pot synthesis of dihydropyrano[ c]chromenes using environmentally benign MCR approach in ethanol as the green solvent. The method developed herein constitutes a valuable addition to the existing methods for the synthesis of titled compounds.

ACS Style

Yogesh W. More; Sunil U. Tekale; Nitishkumar S. Kaminwar; László Kótai; Tibor Pasinszki; Pravin Kendrekar; Rajendra P. Pawar. Synthesis of 3,4-Dihydropyrano[c]chromenes Using Carbon Microsphere Supported Copper Nanoparticles (Cu-NP/C) Prepared from Loaded Cation Exchange Resin as a Catalyst. Current Organic Synthesis 2019, 16, 288 -293.

AMA Style

Yogesh W. More, Sunil U. Tekale, Nitishkumar S. Kaminwar, László Kótai, Tibor Pasinszki, Pravin Kendrekar, Rajendra P. Pawar. Synthesis of 3,4-Dihydropyrano[c]chromenes Using Carbon Microsphere Supported Copper Nanoparticles (Cu-NP/C) Prepared from Loaded Cation Exchange Resin as a Catalyst. Current Organic Synthesis. 2019; 16 (2):288-293.

Chicago/Turabian Style

Yogesh W. More; Sunil U. Tekale; Nitishkumar S. Kaminwar; László Kótai; Tibor Pasinszki; Pravin Kendrekar; Rajendra P. Pawar. 2019. "Synthesis of 3,4-Dihydropyrano[c]chromenes Using Carbon Microsphere Supported Copper Nanoparticles (Cu-NP/C) Prepared from Loaded Cation Exchange Resin as a Catalyst." Current Organic Synthesis 16, no. 2: 288-293.

Book chapter
Published: 26 November 2018 in Carbon Nanomaterials for Bioimaging, Bioanalysis, and Therapy
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In this chapter, we present a review that summarizes recent developments of high performance sensing devices based on carbon nanomaterials with focus on: (i) chemical vapor sensors for analysis of volatile organic compounds (VOCs) generated in the human body by alteration of metabolic pathways; and (ii) biosensors for the detection of abnormal levels or fluctuation of biomarkers in the human body. These types of sensors for biomedical tracking and bioanalysis and therapy can greatly contribute to the monitoring and diagnosis of cancers and diseases.

ACS Style

Tran T. Tung; Kumud M. Tripathi; Taeyoung Kim; Melinda Krebsz; Tibor Pasinszki; Dusan Losic. Carbon Nanomaterial Sensors for Cancer and Disease Diagnosis. Carbon Nanomaterials for Bioimaging, Bioanalysis, and Therapy 2018, 167 -202.

AMA Style

Tran T. Tung, Kumud M. Tripathi, Taeyoung Kim, Melinda Krebsz, Tibor Pasinszki, Dusan Losic. Carbon Nanomaterial Sensors for Cancer and Disease Diagnosis. Carbon Nanomaterials for Bioimaging, Bioanalysis, and Therapy. 2018; ():167-202.

Chicago/Turabian Style

Tran T. Tung; Kumud M. Tripathi; Taeyoung Kim; Melinda Krebsz; Tibor Pasinszki; Dusan Losic. 2018. "Carbon Nanomaterial Sensors for Cancer and Disease Diagnosis." Carbon Nanomaterials for Bioimaging, Bioanalysis, and Therapy , no. : 167-202.

Journal article
Published: 04 November 2018 in Journal of Molecular Structure
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The structure and thermal and photochemical decomposition of the synthetic precursor 5-chloro-3-trifluoromethyl-1,2,4-thiadiazole (1) have been investigated for the first time by mid-infrared, Raman, ultraviolet and He I photoelectron spectroscopy. Spectroscopies, supported by quantum-chemical calculations using the B3LYP and SAC-CI methods, provided a detailed investigation into the vibrational and electronic character of the molecule. Thermal stability and photochemical decomposition of 1 have been studied in the gas phase and solid matrix, respectively. Flash vacuum thermolysis of the molecule produced fast quantitatively CF3CN, ClCN, and sulfur. However, UV irradiation of 1 in solid argon matrix at selected wavelengths of 213, 228, 240, and 250 nm resulted in a retro-cycloaddition reaction leading to the formation of a novel nitrile sulfide, CF3CNS (2), and ClCN. The structure of 2 was computed at the B3LYP and CCSD(T)/aug-cc-pVTZ levels, and its IR identification was supported by quantum chemical calculations.

ACS Style

Tibor Pasinszki; Tamás Vörös; Gábor Vass; György Tarczay; István Jalsovszky. Spectroscopy, structure, thermal and photochemical decomposition of 5-chloro-3-trifluoromethyl-1,2,4-thiadiazole: Generation of trifluoroacetonitrile N-sulfide. Journal of Molecular Structure 2018, 1179, 118 -125.

AMA Style

Tibor Pasinszki, Tamás Vörös, Gábor Vass, György Tarczay, István Jalsovszky. Spectroscopy, structure, thermal and photochemical decomposition of 5-chloro-3-trifluoromethyl-1,2,4-thiadiazole: Generation of trifluoroacetonitrile N-sulfide. Journal of Molecular Structure. 2018; 1179 ():118-125.

Chicago/Turabian Style

Tibor Pasinszki; Tamás Vörös; Gábor Vass; György Tarczay; István Jalsovszky. 2018. "Spectroscopy, structure, thermal and photochemical decomposition of 5-chloro-3-trifluoromethyl-1,2,4-thiadiazole: Generation of trifluoroacetonitrile N-sulfide." Journal of Molecular Structure 1179, no. : 118-125.

Articles
Published: 08 September 2018 in Journal of Coordination Chemistry
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A widely used oxidizing agent in organic chemistry with an assumed structure of “[Ag(py)2]MnO4” and its perchlorate and perrhenate analogues are studied. Their synthesis in pure form is challenging. In order to clarify the chemical nature of the known compounds and find routes to new derivatives, a systematic study is presented for the synthesis of [Ag(py)n]XO4 (X = Mn, Cl, and Re, n = 2–4) complexes. Ten complexes including four new derivatives, [Ag(py)4]MnO4, [Ag(py)4]MnO4·4[Ag(py)2]MnO4, [Ag(py)2]ClO4·0.5 py, and [Ag(py)2]ReO4, are synthesized and characterized. The chemical identity of “Ag(py)2MnO4” is also clarified. A novel route to prepare [Ag(py)2]MnO4 is developed. The reaction of AgXO4 salts with neat pyridine followed by various crystallization techniques is used to prepare [Ag(py)2]XO4, [Ag(py)4]XO4, [Ag(py)4]XO4·4[Ag(py)2]XO4, and [Ag(py)2]XO4·0.5py (X = Cl, Mn) complexes. The solid phase structure of [Ag(py)2]MnO4·0.5py is determined (a = 19.410 Å, b = 7.788 Å, c = 21.177 Å, β = 104.20°, C2/c (15), Z = 4 (3a)). [Ag(py)2]+ cations in the crystal form dimeric units where silver ions are connected by oxygen atoms of two MnO4– anions. The Ag…Ag distance is indicative of argentophilic interactions. The pyridine ring π…π interactions contribute to the stability of the crystal lattice.

ACS Style

István E. Sajó; Gréta B. Kovács; Tibor Pasinszki; Petra A. Bombicz; Zoltán May; Imre M. Szilágyi; Anna Jánosity; Kalyan K. Banerji; Rajni Kant; László Kótai. The chemical identity of “[Ag(py)2]MnO4” organic solvent soluble oxidizing agent and new synthetic routes for the preparation of [Ag(py)n]XO4 (X = Mn, Cl, and Re, n = 2–4) complexes. Journal of Coordination Chemistry 2018, 71, 2884 -2904.

AMA Style

István E. Sajó, Gréta B. Kovács, Tibor Pasinszki, Petra A. Bombicz, Zoltán May, Imre M. Szilágyi, Anna Jánosity, Kalyan K. Banerji, Rajni Kant, László Kótai. The chemical identity of “[Ag(py)2]MnO4” organic solvent soluble oxidizing agent and new synthetic routes for the preparation of [Ag(py)n]XO4 (X = Mn, Cl, and Re, n = 2–4) complexes. Journal of Coordination Chemistry. 2018; 71 (16-18):2884-2904.

Chicago/Turabian Style

István E. Sajó; Gréta B. Kovács; Tibor Pasinszki; Petra A. Bombicz; Zoltán May; Imre M. Szilágyi; Anna Jánosity; Kalyan K. Banerji; Rajni Kant; László Kótai. 2018. "The chemical identity of “[Ag(py)2]MnO4” organic solvent soluble oxidizing agent and new synthetic routes for the preparation of [Ag(py)n]XO4 (X = Mn, Cl, and Re, n = 2–4) complexes." Journal of Coordination Chemistry 71, no. 16-18: 2884-2904.

Review
Published: 16 June 2018 in Biosensors
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Celiac disease is a chronic gluten-initiated autoimmune disorder that predominantly damages the mucosa of the small intestine in genetically-susceptible individuals. It affects a large and increasing number of the world’s population. The diagnosis of this disease and monitoring the response of patients to the therapy, which is currently a life-long gluten-free diet, require the application of reliable, rapid, sensitive, selective, simple, and cost-effective analytical tools. Celiac disease biomarker detection in full blood, serum, or plasma offers a non-invasive way to do this and is well-suited to being the first step of diagnosis. Biosensors provide a novel and alternative way to perform conventional techniques in biomarker sensing, in which electrode material and architecture play important roles in achieving sensitive, selective, and stable detection. There are many opportunities to build and modify biosensor platforms using various materials and detection methods, and the aim of the present review is to summarize developments in this field.

ACS Style

Tibor Pasinszki; Melinda Krebsz. Biosensors for Non-Invasive Detection of Celiac Disease Biomarkers in Body Fluids. Biosensors 2018, 8, 55 .

AMA Style

Tibor Pasinszki, Melinda Krebsz. Biosensors for Non-Invasive Detection of Celiac Disease Biomarkers in Body Fluids. Biosensors. 2018; 8 (2):55.

Chicago/Turabian Style

Tibor Pasinszki; Melinda Krebsz. 2018. "Biosensors for Non-Invasive Detection of Celiac Disease Biomarkers in Body Fluids." Biosensors 8, no. 2: 55.

Journal article
Published: 01 May 2018 in Journal of Organometallic Chemistry
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Synthesis, structure determination, and in vitro antiproliferative effect of 4,5-dihydronaphto[1,2-d][1,2,3]selenadiazole (1) and 4,5-dihydrobenzoferroceno[1,2-d][1,2,3]selenodiazole (2) are presented. The synthesized molecules were characterized by NMR, IR, Raman, mass, and UV spectroscopies. The equilibrium structures of 1 and 2 were calculated using the B3LYP/6-31 + G* quantum-chemical method, and the solid phase structure of 2 was determined by single crystal X-ray diffraction. The antiproliferative effect of 1 and 2 was investigated against three tumorous human cell lines. Both compounds were active against cervical HeLa and ovarian A2780 cell lines, and 2 was also active against breast MDA-MB-231 cell growth. The ferrocene derivative 2 was found to be more effective than its organic analogue 1.

ACS Style

Tibor Pasinszki; Dániel Dzsotján; Győző György Lajgut; Veronika Harmat; Andrea Bor; István Zupkó; Antal Csámpai. Synthesis, spectral- and theoretical study, x-ray analysis, and antiproliferative activity of 4,5-dihydrobenzoferroceno[1,2-d][1,2,3]selenadiazole and its benzo-fused analogue. Journal of Organometallic Chemistry 2018, 863, 70 -76.

AMA Style

Tibor Pasinszki, Dániel Dzsotján, Győző György Lajgut, Veronika Harmat, Andrea Bor, István Zupkó, Antal Csámpai. Synthesis, spectral- and theoretical study, x-ray analysis, and antiproliferative activity of 4,5-dihydrobenzoferroceno[1,2-d][1,2,3]selenadiazole and its benzo-fused analogue. Journal of Organometallic Chemistry. 2018; 863 ():70-76.

Chicago/Turabian Style

Tibor Pasinszki; Dániel Dzsotján; Győző György Lajgut; Veronika Harmat; Andrea Bor; István Zupkó; Antal Csámpai. 2018. "Synthesis, spectral- and theoretical study, x-ray analysis, and antiproliferative activity of 4,5-dihydrobenzoferroceno[1,2-d][1,2,3]selenadiazole and its benzo-fused analogue." Journal of Organometallic Chemistry 863, no. : 70-76.

Article
Published: 11 December 2017 in Journal of Thermal Analysis and Calorimetry
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Synthesis of ammonium hydroxodisulfitoferriate(III), (diammonium catena-{bis(μ2-sulfito-κO,κO)-μ2-hydroxo-κ2O}ferrate(III) monohydrate) (NH4)2[Fe(OH)(SO3)2]·H2O (compound 1) and its thermal behavior is reported. The compound is stable in air. Its thermal decomposition proceeds without the expected quasi-intramolecular oxidation of sulfite ion with ferric ions. The disproportionation reaction of the ammonium sulfite, formed from the evolved NH3, SO2 and H2O in the main decomposition stage of 1, results in the formation of ammonium sulfate and ammonium sulfide. The ammonium sulfide is unstable at the decomposition temperature of 1 (150 °C) and transforms into NH3 and H2S which immediately forms elementary sulfur by reaction with SO2. The formation and decomposition of other intermediate compounds like (NH4)2SnOx (n = 2, x = 3 and n = 3, x = 6) results in the same decomposition products (S, SO2 and NH3). Two basic iron sulfates, formed in different ratios during synthesizing experiments performed under N2 or in the presence of air, have been detected as solid intermediates which contain ammonium ions. The final decomposition product was proved to be α-Fe2O3 (mineral name hematite).

ACS Style

Tünde Kocsis; József Magyari; István Sajó; Tibor Pasinszki; Zoltán Homonnay; Imre M. Szilágyi; Attila Farkas; Zoltán May; Herta Effenberger; Sándor Szakáll; Rajendra P. Pawar; László Kótai. Evidence of quasi-intramolecular redox reactions during thermal decomposition of ammonium hydroxodisulfitoferriate(III), (NH4)2[Fe(OH)(SO3)2]·H2O. Journal of Thermal Analysis and Calorimetry 2017, 132, 493 -502.

AMA Style

Tünde Kocsis, József Magyari, István Sajó, Tibor Pasinszki, Zoltán Homonnay, Imre M. Szilágyi, Attila Farkas, Zoltán May, Herta Effenberger, Sándor Szakáll, Rajendra P. Pawar, László Kótai. Evidence of quasi-intramolecular redox reactions during thermal decomposition of ammonium hydroxodisulfitoferriate(III), (NH4)2[Fe(OH)(SO3)2]·H2O. Journal of Thermal Analysis and Calorimetry. 2017; 132 (1):493-502.

Chicago/Turabian Style

Tünde Kocsis; József Magyari; István Sajó; Tibor Pasinszki; Zoltán Homonnay; Imre M. Szilágyi; Attila Farkas; Zoltán May; Herta Effenberger; Sándor Szakáll; Rajendra P. Pawar; László Kótai. 2017. "Evidence of quasi-intramolecular redox reactions during thermal decomposition of ammonium hydroxodisulfitoferriate(III), (NH4)2[Fe(OH)(SO3)2]·H2O." Journal of Thermal Analysis and Calorimetry 132, no. 1: 493-502.

Journals
Published: 04 December 2017 in New Journal of Chemistry
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Carbon microsphere-supported Cu nanoparticles were fabricated, characterized, and applied for synthesis.

ACS Style

Tibor Pasinszki; Melinda Krebsz; Győző György Lajgut; Tünde Kocsis; László Kótai; Sushama Kauthale; Sunil Tekale; Rajendra Pawar. Copper nanoparticles grafted on carbon microspheres as novel heterogeneous catalysts and their application for the reduction of nitrophenol and one-pot multicomponent synthesis of hexahydroquinolines. New Journal of Chemistry 2017, 42, 1092 -1098.

AMA Style

Tibor Pasinszki, Melinda Krebsz, Győző György Lajgut, Tünde Kocsis, László Kótai, Sushama Kauthale, Sunil Tekale, Rajendra Pawar. Copper nanoparticles grafted on carbon microspheres as novel heterogeneous catalysts and their application for the reduction of nitrophenol and one-pot multicomponent synthesis of hexahydroquinolines. New Journal of Chemistry. 2017; 42 (2):1092-1098.

Chicago/Turabian Style

Tibor Pasinszki; Melinda Krebsz; Győző György Lajgut; Tünde Kocsis; László Kótai; Sushama Kauthale; Sunil Tekale; Rajendra Pawar. 2017. "Copper nanoparticles grafted on carbon microspheres as novel heterogeneous catalysts and their application for the reduction of nitrophenol and one-pot multicomponent synthesis of hexahydroquinolines." New Journal of Chemistry 42, no. 2: 1092-1098.

Article
Published: 20 October 2017 in Advanced Functional Materials
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Development of next-generation sensor devices is gaining tremendous attention in both academia and industry because of their broad applications in manufacturing processes, food and environment control, medicine, disease diagnostics, security and defense, aerospace, and so forth. Current challenges include the development of low-cost, ultrahigh, and user-friendly sensors, which have high selectivity, fast response and recovery times, and small dimensions. The critical demands of these new sensors are typically associated with advanced nanoscale sensing materials. Among them, graphene and its derivatives have demonstrated the ideal properties to overcome these challenges and have merged as one of the most popular sensing platforms for diverse applications. A broad range of graphene assemblies with different architectures, morphologies, and scales (from nano-, micro-, to macrosize) have been explored in recent years for designing new high-performing sensing devices. Herein, this study presents and discusses recent advances in synthesis strategies of assembled graphene-based superstructures of 1D, 2D, and 3D macroscopic shapes in the forms of fibers, thin films, and foams/aerogels. The fabricated state-of-the-art applications of these materials in gas and vapor, biomedical, piezoresistive strain and pressure, heavy metal ion, and temperature sensors are also systematically reviewed and discussed, and their sensing performance is compared.

ACS Style

Tran Thanh Tung; Julker Nine; Melinda Krebsz; Tibor Pasinszki; Campbell J. Coghlan; Diana N. H. Tran; Dusan Losic. Recent Advances in Sensing Applications of Graphene Assemblies and Their Composites. Advanced Functional Materials 2017, 27, 1 .

AMA Style

Tran Thanh Tung, Julker Nine, Melinda Krebsz, Tibor Pasinszki, Campbell J. Coghlan, Diana N. H. Tran, Dusan Losic. Recent Advances in Sensing Applications of Graphene Assemblies and Their Composites. Advanced Functional Materials. 2017; 27 (46):1.

Chicago/Turabian Style

Tran Thanh Tung; Julker Nine; Melinda Krebsz; Tibor Pasinszki; Campbell J. Coghlan; Diana N. H. Tran; Dusan Losic. 2017. "Recent Advances in Sensing Applications of Graphene Assemblies and Their Composites." Advanced Functional Materials 27, no. 46: 1.

Review
Published: 20 August 2017 in Sensors
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The early diagnosis of diseases, e.g., Parkinson’s and Alzheimer’s disease, diabetes, and various types of cancer, and monitoring the response of patients to the therapy plays a critical role in clinical treatment; therefore, there is an intensive research for the determination of many clinical analytes. In order to achieve point-of-care sensing in clinical practice, sensitive, selective, cost-effective, simple, reliable, and rapid analytical methods are required. Biosensors have become essential tools in biomarker sensing, in which electrode material and architecture play critical roles in achieving sensitive and stable detection. Carbon nanomaterials in the form of particle/dots, tube/wires, and sheets have recently become indispensable elements of biosensor platforms due to their excellent mechanical, electronic, and optical properties. This review summarizes developments in this lucrative field by presenting major biosensor types and variability of sensor platforms in biomedical applications.

ACS Style

Tibor Pasinszki; Melinda Krebsz; Thanh Tran Tung; Dusan Losic. Carbon Nanomaterial Based Biosensors for Non-Invasive Detection of Cancer and Disease Biomarkers for Clinical Diagnosis. Sensors 2017, 17, 1919 .

AMA Style

Tibor Pasinszki, Melinda Krebsz, Thanh Tran Tung, Dusan Losic. Carbon Nanomaterial Based Biosensors for Non-Invasive Detection of Cancer and Disease Biomarkers for Clinical Diagnosis. Sensors. 2017; 17 (8):1919.

Chicago/Turabian Style

Tibor Pasinszki; Melinda Krebsz; Thanh Tran Tung; Dusan Losic. 2017. "Carbon Nanomaterial Based Biosensors for Non-Invasive Detection of Cancer and Disease Biomarkers for Clinical Diagnosis." Sensors 17, no. 8: 1919.

Book chapter
Published: 01 January 2017 in Biopolymer Composites in Electronics
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ACS Style

Melinda Krebsz; T. Pasinszki; T.T. Tung; Dusan Losic. Development of Vapor/Gas Sensors From Biopolymer Composites. Biopolymer Composites in Electronics 2017, 385 -403.

AMA Style

Melinda Krebsz, T. Pasinszki, T.T. Tung, Dusan Losic. Development of Vapor/Gas Sensors From Biopolymer Composites. Biopolymer Composites in Electronics. 2017; ():385-403.

Chicago/Turabian Style

Melinda Krebsz; T. Pasinszki; T.T. Tung; Dusan Losic. 2017. "Development of Vapor/Gas Sensors From Biopolymer Composites." Biopolymer Composites in Electronics , no. : 385-403.

Research article
Published: 27 October 2016 in The Journal of Physical Chemistry C
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The present work presents a thorough experimental investigation of mechanistic pathways of thermal decomposition of ammonia borane (AB) and its mixture with KBr. A comparative detection and temperature-dependent in-situ monitoring of the decomposition products was done by use of temperature dependent infrared (IR) spectroscopy of both solid (in transmission through KBr pellets and ATR mode) and gaseous products, thermogravimetry (TG) and evolved gas analysis mass spectroscopy (EGA-MS). This enables discrimination of the processes occuring in the bulk from those in the near-surface level. For the first time, a high influence of the KBr matrix on AB decomposition was found and thoroughly investigated. Although KBr does not change the chemical and physical identity of AB at ambient conditions, it dramatically affects its thermal decomposition pathway. It is found that the presence of KBr not only favours the production of diammoniate of diborane in the induction phase, but also enables an efficient catalysis of AB decomposition by NH4+ ions, present at the KBr-AB interface, which leads to suppression of emission of unwanted gaseous side products other than NH3. IR spectroscopy was also used to shed a light on the molecular background of the frequently observed, but never investigated increase of the mass of decomposition products.

ACS Style

Nikola Biliškov; Danijela Vojta; László Kótai; Imre Miklós Szilágyi; Dávid Hunyadi; Tibor Pasinszki; Sandra Flinčec Grgac; Andreas Borgschulte; Andreas Züttel. High Influence of Potassium Bromide on Thermal Decomposition of Ammonia Borane†. The Journal of Physical Chemistry C 2016, 120, 25276 -25288.

AMA Style

Nikola Biliškov, Danijela Vojta, László Kótai, Imre Miklós Szilágyi, Dávid Hunyadi, Tibor Pasinszki, Sandra Flinčec Grgac, Andreas Borgschulte, Andreas Züttel. High Influence of Potassium Bromide on Thermal Decomposition of Ammonia Borane†. The Journal of Physical Chemistry C. 2016; 120 (44):25276-25288.

Chicago/Turabian Style

Nikola Biliškov; Danijela Vojta; László Kótai; Imre Miklós Szilágyi; Dávid Hunyadi; Tibor Pasinszki; Sandra Flinčec Grgac; Andreas Borgschulte; Andreas Züttel. 2016. "High Influence of Potassium Bromide on Thermal Decomposition of Ammonia Borane†." The Journal of Physical Chemistry C 120, no. 44: 25276-25288.