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Grządka E, Bastrzyk A, Orzeł J, Oszczak-Nowińska A, Fliszkiewicz B, Siemieniuk M, Sobczyński K, Spławski O, Gołębiowska K, Ronda O, Cieślik BM. Do You Know What You Drink? Comparative Research on the Contents of Radioisotopes and Heavy Metals in Different Types of Tea from Various Parts of the World. Foods 2024; 13:742. [PMID: 38472854 DOI: 10.3390/foods13050742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 02/21/2024] [Accepted: 02/25/2024] [Indexed: 03/14/2024] Open
Abstract
The aim of this study was to assess the potential health risks of radioactive elements and heavy metals ingested through the consumption of various types of tea imported to the Polish market (black, green, red, oolong and white). The concentrations [Bq/kg] of radionuclides (40K, 137Cs, 226Ra, 210Pb and 228Th) in tea leaves before and after brewing were measured using γ-ray spectrometry with high-purity germanium (HPGe). The concentrations [mg/kg] of the studied elements (Fe, Cr, Cu, Mo, Al, Mn, Ni, P, V, Cd and Pb) were determined using a microwave-induced plasma optical emission spectrometer (MIP-OES). The results presented here will help to expand the database of heavy metals and radioactivity in teas. With regard to the potential health risk, the percentage of leaching of individual elements in different types of tea infusions was determined, and the assessment of the consumption risk was estimated. Since the calculated exposure factors, namely the HQ (Hazard Quotient) and THQ (Target Hazard Quotient), do not exceed critical levels, teas can still be considered health-beneficial products (most of the radionuclides as well as elements remain in the leaves (65-80%) after brewing).
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Affiliation(s)
- Elżbieta Grządka
- Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University, M. Curie-Skłodowska Sq. 3, 20-031 Lublin, Poland
| | - Anna Bastrzyk
- Department of Process Engineering and Technology of Polymer and Carbon Materials, Faculty of Chemistry, Wroclaw University of Science and Technology, C. K. Norwida 4/6 Sq., 50-373 Wroclaw, Poland
| | - Jolanta Orzeł
- Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University, M. Curie-Skłodowska Sq. 3, 20-031 Lublin, Poland
| | - Agata Oszczak-Nowińska
- Institute of Chemistry, Military University of Technology, Kaliskiego 2 Str., 00-908 Warszawa, Poland
| | - Bartłomiej Fliszkiewicz
- Institute of Chemistry, Military University of Technology, Kaliskiego 2 Str., 00-908 Warszawa, Poland
| | - Mateusz Siemieniuk
- Department of Analytical Chemistry, Faculty of Chemistry, Gdańsk University of Technology, Gabriela Narutowicza 11/12 Str., 80-233 Gdansk, Poland
| | - Krzysztof Sobczyński
- Department of Analytical Chemistry, Faculty of Chemistry, Gdańsk University of Technology, Gabriela Narutowicza 11/12 Str., 80-233 Gdansk, Poland
| | - Olgierd Spławski
- Department of Analytical Chemistry, Faculty of Chemistry, Gdańsk University of Technology, Gabriela Narutowicza 11/12 Str., 80-233 Gdansk, Poland
| | - Katarzyna Gołębiowska
- Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University, M. Curie-Skłodowska Sq. 3, 20-031 Lublin, Poland
| | - Oskar Ronda
- Department of Analytical Chemistry, Faculty of Chemistry, Gdańsk University of Technology, Gabriela Narutowicza 11/12 Str., 80-233 Gdansk, Poland
| | - Bartłomiej Michał Cieślik
- Department of Analytical Chemistry, Faculty of Chemistry, Gdańsk University of Technology, Gabriela Narutowicza 11/12 Str., 80-233 Gdansk, Poland
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Pawłowski Ł, Bartmański M, Ronowska A, Banach-Kopeć A, Mania S, Cieślik BM, Mielewczyk-Gryń A, Karczewski J, Zieliński A. Cytocompatibility, antibacterial, and corrosion properties of chitosan/polymethacrylates and chitosan/poly(4-vinylpyridine) smart coatings, electrophoretically deposited on nanosilver-decorated titania nanotubes. J Biomed Mater Res B Appl Biomater 2024; 112:e35332. [PMID: 37728122 DOI: 10.1002/jbm.b.35332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 08/10/2023] [Accepted: 09/07/2023] [Indexed: 09/21/2023]
Abstract
The development of novel implants subjected to surface modification to achieve high osteointegration properties at simultaneous antimicrobial activity is a highly current problem. This study involved different surface treatments of titanium surface, mainly by electrochemical oxidation to produce a nanotubular oxide layer (TNTs), a subsequent electrochemical reduction of silver nitrate and decoration of a nanotubular surface with silver nanoparticles (AgNPs), and finally electrophoretic deposition (EPD) of a composite of chitosan (CS) and either polymethacrylate-based copolymer Eudragit E 100 (EE100) or poly(4-vinylpyridine) (P4VP) coating. The effects of each stage of this multi-step modification were examined in terms of morphology, roughness, wettability, corrosion resistance, coating-substrate adhesion, antibacterial properties, and osteoblast cell adhesion and proliferation. The results showed that the titanium surface formed nanotubes (inner diameter of 97 ± 12 nm, length of 342 ± 36 nm) subsequently covered with silver nanoparticles (with a diameter of 88 ± 8 nm). Further, the silver-decorated nanotubes were tightly coated with biopolymer films. Most of the applied modifications increased both the roughness and the surface contact angle of the samples. The deposition of biopolymer coatings resulted in reduced burst release of silver. The coated samples revealed potent antimicrobial activity against both Gram-positive and Gram-negative bacteria. Total elimination (99.9%) of E. coli was recorded for a sample with CS/P4VP coating. Cytotoxicity results using hFOB 1.19, a human osteoblast cell line, showed that after 3 days the tested modifications did not affect the cellular growth according to the titanium control. The proposed innovative multilayer antibacterial coatings can be successful for titanium implants as effective postoperative anti-inflammation protection.
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Affiliation(s)
- Łukasz Pawłowski
- Institute of Manufacturing and Materials Technology, Faculty of Mechanical Engineering and Ship Technology, Gdańsk University of Technology, Gdańsk, Poland
| | - Michał Bartmański
- Institute of Manufacturing and Materials Technology, Faculty of Mechanical Engineering and Ship Technology, Gdańsk University of Technology, Gdańsk, Poland
| | - Anna Ronowska
- Department of Laboratory Medicine, Medical University of Gdańsk, Gdańsk, Poland
| | - Adrianna Banach-Kopeć
- Department of Chemistry, Technology, and Biotechnology of Food, Faculty of Chemistry, Gdańsk University of Technology, Gdańsk, Poland
| | - Szymon Mania
- Department of Chemistry, Technology, and Biotechnology of Food, Faculty of Chemistry, Gdańsk University of Technology, Gdańsk, Poland
| | - Bartłomiej Michał Cieślik
- Department of Analytical Chemistry, Faculty of Chemistry, Gdańsk University of Technology, Gdańsk, Poland
| | - Aleksandra Mielewczyk-Gryń
- Institute of Nanotechnology and Materials Engineering, Faculty of Applied Physics and Mathematics, and Advanced Materials Centre, Gdańsk University of Technology, Gdańsk, Poland
| | - Jakub Karczewski
- Institute of Nanotechnology and Materials Engineering, Faculty of Applied Physics and Mathematics, and Advanced Materials Centre, Gdańsk University of Technology, Gdańsk, Poland
| | - Andrzej Zieliński
- Institute of Manufacturing and Materials Technology, Faculty of Mechanical Engineering and Ship Technology, Gdańsk University of Technology, Gdańsk, Poland
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Hać P, Rutkowska M, Cieślik BM, Konieczka P. Estimation of smokers' exposure to mercury from combustible tobacco products, based on the approach used in food consumers' exposure estimation. Food Chem Toxicol 2023; 181:114053. [PMID: 37739052 DOI: 10.1016/j.fct.2023.114053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 09/06/2023] [Accepted: 09/18/2023] [Indexed: 09/24/2023]
Abstract
Smoking has been known to mankind for centuries, but it is only in recent decades that much attention has been paid to the harmfulness of this habit. Mercury inhalation is particularly dangerous in this respect and smoking creates extremely favorable conditions for the emission and targeted delivery of this element into the lungs. Despite this fact, a lack of a clear method for estimating the exposure of tobacco consumers to mercury was identified. This work shows justification to transfer the approach of estimating food product consumers' exposure to estimate the exposure of combustible tobacco product consumers to this element. In addition, it was noted that researchers' attention is mainly focused on cigarettes, while the tobacco market has a wide range of combustible products. Therefore, in this work, the mercury content of cigars (8.45 ± 0.18-41.02 ± 0.20 μg/kg), pipe tobaccos (8.03 ± 0.52-25.48 ± 0.50 μg/kg), bidis (14.93 ± 0.47-31.79 ± 0.26 μg/kg) and cigarette tobaccos (14.22 ± 0.71-34.5 ± 1.4 μg/kg) was analyzed. This study demonstrates that smoking can contribute significant total mercury exposure to consumers', although it is unlikely to cause mercury poisoning regardless of other exposure sources.
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Affiliation(s)
- Paweł Hać
- Department of Analytical Chemistry, Faculty of Chemistry, Gdańsk University of Technology, Poland.
| | - Małgorzata Rutkowska
- Department of Analytical Chemistry, Faculty of Chemistry, Gdańsk University of Technology, Poland.
| | | | - Piotr Konieczka
- Department of Analytical Chemistry, Faculty of Chemistry, Gdańsk University of Technology, Poland.
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Hać P, Padariya C, Cieślik BM, Konieczka P. Evaluation of mercury content in combustible tobacco products by employing cold vapor atomic absorption spectroscopy and considering the moisture content: a comprehensive study. Monatsh Chem 2022. [DOI: 10.1007/s00706-022-02965-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Abstract
AbstractPlants are mainly made up of water, which constitutes between 80 and 90% of their weight. Moisture factor comes across as one of the most important in tobacco products. Rapid determination of moisture content in tobacco products comes at necessity in any tobacco management plants (before and after production). Therefore, the concern has been raised in this study to evaluate the moisture content in four kinds of combustible tobacco products using the gravimetric method. In addition, a total mercury content using cold vapour atomic absorption spectroscopy has been evaluated in all chosen combustible tobacco products in this study. Determining moisture content in four types of tobacco products does not show significant differences within a product group. Moisture content ranged from 7.9% in bidis to 25% in pipe tobaccos. Mercury content in tobacco ranged from 13 µg/kg to 32 µg/kg while in cigarette wrapper paper and filter from the limit of detection (LOD) < 1.3 µg/kg to 8.2 µg/kg. As evidenced, cigarette wrapper paper and filters alone are unlikely to be a significant source of consumer exposure to mercury. However, the proposed sample preparation method provides good results for the preparation of specific material, such as tobacco products.
Graphical abstract
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Pawłowski Ł, Wawrzyniak J, Banach-Kopeć A, Cieślik BM, Jurak K, Karczewski J, Tylingo R, Siuzdak K, Zieliński A. Antibacterial properties of laser-encapsulated titanium oxide nanotubes decorated with nanosilver and covered with chitosan/Eudragit polymers. Biomater Adv 2022; 138:212950. [PMID: 35913239 DOI: 10.1016/j.bioadv.2022.212950] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/22/2022] [Accepted: 05/23/2022] [Indexed: 06/15/2023]
Abstract
To provide antibacterial properties, the titanium samples were subjected to electrochemical oxidation in the fluoride-containing diethylene glycol-based electrolyte to create a titanium oxide nanotubular surface. Afterward, the surface was covered by sputtering with silver 5 nm film, and the tops of the nanotubes were capped using laser treatment, resulting in an appearance of silver nanoparticles (AgNPs) of around 30 nm in diameter on such a modified surface. To ensure a controlled release of the bactericidal substance, the samples were additionally coated with a pH-sensitive chitosan/Eudragit 100 coating, also exhibiting bactericidal properties. The modified titanium samples were characterized using SEM, EDS, AFM, Raman, and XPS techniques. The wettability, corrosion properties, adhesion of the coating to the substrate, the release of AgNPs into solutions simulating body fluids at different pH, and antibacterial properties were further investigated. The obtained composite coatings were hydrophilic, adjacent to the surface, and corrosion-resistant. An increase in the amount of silver released as ions or metallic particles into a simulated body fluid solution at acidic pH was observed for modified samples with the biopolymer coating after three days of exposure avoiding burst effect. The proposed modification was effective against both Gram-positive and Gram-negative bacteria.
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Affiliation(s)
- Łukasz Pawłowski
- Institute of Manufacturing and Materials Technology, Faculty of Mechanical Engineering and Ship Technology, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland.
| | - Jakub Wawrzyniak
- Center for Plasma and Laser Engineering, The Szewalski Institute of Fluid-Flow Machinery, Polish Academy of Sciences, Fiszera 14, 80-231 Gdańsk, Poland
| | - Adrianna Banach-Kopeć
- Department of Chemistry, Technology and Biotechnology of Food, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
| | - Bartłomiej Michał Cieślik
- Department of Analytical Chemistry, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
| | - Kacper Jurak
- Department of Electrochemistry, Corrosion and Materials Engineering, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk. Poland
| | - Jakub Karczewski
- Institute of Nanotechnology and Materials Engineering, Faculty of Applied Physics and Mathematics, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
| | - Robert Tylingo
- Department of Chemistry, Technology and Biotechnology of Food, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
| | - Katarzyna Siuzdak
- Center for Plasma and Laser Engineering, The Szewalski Institute of Fluid-Flow Machinery, Polish Academy of Sciences, Fiszera 14, 80-231 Gdańsk, Poland
| | - Andrzej Zieliński
- Institute of Manufacturing and Materials Technology, Faculty of Mechanical Engineering and Ship Technology, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
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Hać PJ, Cieślik BM, Konieczka P. Review of cigars and cigar-type products as potential sources of consumer exposure to heavy metals. J Environ Sci Health C Toxicol Carcinog 2022; 40:172-196. [PMID: 35895917 DOI: 10.1080/26896583.2022.2052708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The popularity of cigars, growing since 1993, has not gone hand in hand with the increased interest of researchers in these products. Although the literature widely describes the harmfulness of tobacco and the content of toxic substances in tobacco products, the topic is often treated selectively as relating primarily to cigarettes and rarely extends to other products of the broadly defined tobacco industry. However, there is no reason to marginalize the harmful effects of other nicotine products, (which include tobacco products such as cigars). The study analyzed the available literature on the content of selected heavy metals in cigar tobacco. Among the heavy metals, the following contents of elements in tobacco were recorded in cigars: Fe (420-2200 µg/g), Mn (100-370 µg/g), Zn (14-180 µg/g), Cu (15-140 µg/g), Pb (not detected-32 µg/g), Cd (nd-19 µg/g), Ni (nd-13 µg/g), Cr (nd-10 µg/g), Co (0.65-1.0 µg/g), As (nd-0.66 µg/g), Hg (18-25 ng/g). Importantly, the values often differ between cigars of different origins and types, indicating the need for more extensive research.
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Affiliation(s)
- Paweł Jacek Hać
- Faculty of Chemistry, Department of Analytical Chemistry, Gdańsk University of Technology, Gdańsk, Poland
| | - Bartłomiej Michał Cieślik
- Faculty of Chemistry, Department of Analytical Chemistry, Gdańsk University of Technology, Gdańsk, Poland
| | - Piotr Konieczka
- Faculty of Chemistry, Department of Analytical Chemistry, Gdańsk University of Technology, Gdańsk, Poland
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Haustein E, Kuryłowicz-Cudowska A, Łuczkiewicz A, Fudala-Książek S, Cieślik BM. Influence of Cement Replacement with Sewage Sludge Ash (SSA) on the Heat of Hydration of Cement Mortar. Materials 2022; 15:ma15041547. [PMID: 35208085 PMCID: PMC8876134 DOI: 10.3390/ma15041547] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 02/12/2022] [Accepted: 02/14/2022] [Indexed: 01/27/2023]
Abstract
The amount of fly ash from the incineration of sewage sludge is increasing all over the world, and its utilization is becoming a serious environmental problem. In the study, a type of sewage sludge ash (SSA) collected directly from the municipal sewage treatment plant was used. Five levels of cement replacement (2.5%, 5%, 7.5%, 10% and 20%) and unchanged water-to-binder (w/b) ratio (0.55) were used. The purpose of the study was to evaluate the effect of sewage sludge ash (SSA) on the hydration heat process of cement mortars. The heat of the hydration of cement mortars was monitored by the isothermal calorimetric method for 7 days at 23 °C. The analysis of chemical composition and particle size distribution was performed on the tested material. The tests carried out have shown that SSA particles have irregular grain morphology and, taking into account the chemical composition consists mainly of oxides such as CaO, P2O5, SiO2 and Al2O3. The concentration of these compounds affects the hydration process of cement mortars doped with SSA. In turn, the content of selected heavy metals in the tested ash should not pose a threat to the environment. Calorimetric studies proved that the hydration process is influenced by the presence of SSA in cement mortars. The studies showed that the rate of heat generation decreased (especially in the initial setting period) with the increasing replacement of cement by SSA, which also reduced the amount of total heat compared to the control cement mortar. With increasing mass of the replacement of cement with SSA up to 20%, the 7-day compressive strength of the mortar samples decreases.
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Affiliation(s)
- Elżbieta Haustein
- Department of Mechanics of Materials and Structures, Faculty of Civil and Environmental Engineering, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
- Correspondence: (E.H.); (A.K.-C.)
| | - Aleksandra Kuryłowicz-Cudowska
- Department of Mechanics of Materials and Structures, Faculty of Civil and Environmental Engineering, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
- Correspondence: (E.H.); (A.K.-C.)
| | - Aneta Łuczkiewicz
- Department of Water and Wastewater Technology, Faculty of Civil and Environmental Engineering, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland;
| | - Sylwia Fudala-Książek
- Department of Sanitary Engineering, Faculty of Civil and Environmental Engineering, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland;
| | - Bartłomiej Michał Cieślik
- Department of Analytical Chemistry, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland;
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Ronda O, Grządka E, Ostolska I, Orzeł J, Cieślik BM. Accumulation of radioisotopes and heavy metals in selected species of mushrooms. Food Chem 2021; 367:130670. [PMID: 34359008 DOI: 10.1016/j.foodchem.2021.130670] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 06/25/2021] [Accepted: 07/20/2021] [Indexed: 11/04/2022]
Abstract
Seven species of forest mushrooms from different regions of Poland (edible: Imleria badia, Cantharellus cibarius, Xerocomus subtomentosus, Suillus luteus and inedible by humans but being food for animals: Paxillus involutus, Tylopilus felleus and Russula emetica) were analyzed for radioisotope activity (Cs-137, K-40, Bi-214 and Pb-210) as well as concentrations of heavy metals (aluminum, chromium, cadmium, manganese, iron, lead, zinc, copper, nickel and mercury). The activity of radioisotopes was measured with a gamma spectrometer, while the concentrations of heavy metals were examined by microwave plasma - atomic emission spectrometry. The obtained results of the analyses were compared with the recommendations of the European Food Safety Authority concerning the consumption of the determined heavy metals and the European standards concerning the content of radioisotopes in food. The obtained results proved that the consumption of mushrooms may result in a significant exceeding of the consumption limits of cadmium, copper and Cs-137.
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Affiliation(s)
- Oskar Ronda
- Gdańsk University of Technology, Faculty of Chemistry, Science Club of Chemists, Gabriela Narutowicza 11/12 str., 80-233 Gdańsk, Poland; Gdańsk University of Technology, Faculty of Chemistry, Department of Analytical Chemistry, Gabriela Narutowicza 11/12 str., 80-233 Gdańsk, Poland
| | - Elżbieta Grządka
- Department of Radiochemistry and Environmental Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University, M. Curie-Sklodowska Sq3, 20-031 Lublin, Poland
| | - Iwona Ostolska
- Department of Radiochemistry and Environmental Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University, M. Curie-Sklodowska Sq3, 20-031 Lublin, Poland
| | - Jolanta Orzeł
- Department of Radiochemistry and Environmental Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University, M. Curie-Sklodowska Sq3, 20-031 Lublin, Poland
| | - Bartłomiej Michał Cieślik
- Gdańsk University of Technology, Faculty of Chemistry, Department of Analytical Chemistry, Gabriela Narutowicza 11/12 str., 80-233 Gdańsk, Poland.
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Bartmański M, Pawłowski Ł, Belcarz A, Przekora A, Ginalska G, Strugała G, Cieślik BM, Pałubicka A, Zieliński A. The Chemical and Biological Properties of Nanohydroxyapatite Coatings with Antibacterial Nanometals, Obtained in the Electrophoretic Process on the Ti13Zr13Nb Alloy. Int J Mol Sci 2021; 22:ijms22063172. [PMID: 33804677 PMCID: PMC8003631 DOI: 10.3390/ijms22063172] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 03/15/2021] [Accepted: 03/16/2021] [Indexed: 11/16/2022] Open
Abstract
The risk of an early inflammation after implantation surgery of titanium implants has caused the development of different antimicrobial measures. The present research is aimed at characterizing the effects of nanosilver and nanocopper dispersed in the nanohydroxyapatite coatings, deposited on the Ti13Zr13Nb alloy, and on the chemical and biological properties of the coatings. The one-stage deposition process was performed by the electrophoretic method at different contents of nanomaterials in suspension. The surface topography of the coatings was examined with scanning electron microscopy. The wettability was expressed as the water contact angle. The corrosion behavior was characterized by the potentiodynamic technique. The release rate of copper and silver into the simulated body fluid was investigated by atomic absorption spectrometry. The antibacterial efficiency was evaluated as the survivability and adhesion of the bacteria and the growth of the biofilm. The cytotoxicity was assessed for osteoblasts. The results demonstrate that silver and copper increase the corrosion resistance and hydrophilicity. Both elements together effectively kill bacteria and inhibit biofilm growth but appear to be toxic for osteoblasts. The obtained results show that the nanohydroxyapatite coatings doped with nanosilver and nanocopper in a one-stage electrophoretic process can be valuable for antibacterial coatings.
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Affiliation(s)
- Michał Bartmański
- Faculty of Mechanical Engineering and Ship Technology, Gdańsk University of Technology, 80-233 Gdansk, Poland; (Ł.P.); (G.S.); (A.Z.)
- Correspondence: ; Tel.: +48-500-034-220; Fax: +48-58-347-18-15
| | - Łukasz Pawłowski
- Faculty of Mechanical Engineering and Ship Technology, Gdańsk University of Technology, 80-233 Gdansk, Poland; (Ł.P.); (G.S.); (A.Z.)
| | - Anna Belcarz
- Department of Biochemistry and Biotechnology, Medical University of Lublin, 20-093 Lublin, Poland; (A.B.); (A.P.); (G.G.)
| | - Agata Przekora
- Department of Biochemistry and Biotechnology, Medical University of Lublin, 20-093 Lublin, Poland; (A.B.); (A.P.); (G.G.)
| | - Grazyna Ginalska
- Department of Biochemistry and Biotechnology, Medical University of Lublin, 20-093 Lublin, Poland; (A.B.); (A.P.); (G.G.)
| | - Gabriel Strugała
- Faculty of Mechanical Engineering and Ship Technology, Gdańsk University of Technology, 80-233 Gdansk, Poland; (Ł.P.); (G.S.); (A.Z.)
| | - Bartłomiej Michał Cieślik
- Department of Analytical Chemistry, Faculty of Chemistry, Gdańsk University of Technology, 80-233 Gdansk, Poland;
| | - Anna Pałubicka
- Department of Laboratory Diagnostics and Microbiology with Blood Bank, Specialist Hospital in Kościerzyna, 83-400 Kościerzyna, Poland;
- Department of Oncological Surgery, Medical University of Gdańsk, 80-210 Gdańsk, Poland
| | - Andrzej Zieliński
- Faculty of Mechanical Engineering and Ship Technology, Gdańsk University of Technology, 80-233 Gdansk, Poland; (Ł.P.); (G.S.); (A.Z.)
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Olszewski R, Nadolska M, Łapiński M, Prześniak-Welenc M, Cieślik BM, Żelechowska K. Solvent-Free Synthesis of Phosphonic Graphene Derivative and Its Application in Mercury Ions Adsorption. Nanomaterials (Basel) 2019; 9:nano9040485. [PMID: 30934661 PMCID: PMC6523945 DOI: 10.3390/nano9040485] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 03/19/2019] [Accepted: 03/21/2019] [Indexed: 11/16/2022]
Abstract
Functionalized graphene was efficiently prepared through ball-milling of graphite in the presence of dry ice. In this way, oxygen functional groups were introduced into material. The material was further chemically functionalized to produce graphene derivative with phosphonic groups. The obtained materials were characterized by spectroscopic and microscopic methods, along with thermogravimetric analysis. The newly developed material was used as an efficient mercury adsorbent, showing high adsorption efficiency. The adsorption isotherms were fitted using Freundlich and Langmuir models. The adsorption kinetics were fitted with pseudo-first order and pseudo-second order models. Adsorption selectivity was determined in the presence of cadmium ions and nickel ions. The presence of mentioned bivalent ions in the solution did not affect mercury adsorption efficiency.
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Affiliation(s)
- Robert Olszewski
- Department of Solid State Physics, Faculty of Applied Physics and Mathematics, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland.
| | - Małgorzata Nadolska
- Department of Solid State Physics, Faculty of Applied Physics and Mathematics, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland.
| | - Marcin Łapiński
- Department of Solid State Physics, Faculty of Applied Physics and Mathematics, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland.
| | - Marta Prześniak-Welenc
- Department of Solid State Physics, Faculty of Applied Physics and Mathematics, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland.
| | - Bartłomiej Michał Cieślik
- Faculty of Chemistry, Department of Analytical Chemistry, Gdansk University of Technology, Narutowicza St. 11/12, 80-233 Gdansk, Poland.
| | - Kamila Żelechowska
- Department of Solid State Physics, Faculty of Applied Physics and Mathematics, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland.
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Cieślik BM, Świerczek L, Konieczka P. Analytical and legislative challenges of sewage sludge processing and management. Monatsh Chem 2018; 149:1635-1645. [PMID: 30174351 PMCID: PMC6105214 DOI: 10.1007/s00706-018-2255-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Accepted: 06/11/2018] [Indexed: 11/28/2022]
Abstract
ABSTRACT This article presents the most popular methods of sewage sludge management and analytical techniques which could be a powerful tool in designing new sewage sludge management methods. Chemical analysis is also described as a vital point at the subsequent stages of technological processes control and sewage sludge quality assessment. It is also an instrument essential to maintaining control of processed sewage sludge introduced to the environment as ready-to-use materials. The sludge management method is conditioned by the compliance with legal acts concerning sludge management. The most important of these contain information regarding allowable concentrations of pollutants which can be released into the environment, and the most important declarations concerning sewage sludge management. Various analytical techniques and preparation methods that can be used during the monitoring of the managed and processed sewage sludge are described. The most important are chromatographic techniques, methods based on inductively coupled plasma, and mass spectrometry based methods. GRAPHICAL ABSTRACT
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Affiliation(s)
- Bartłomiej Michał Cieślik
- Department of Analytical Chemistry, Faculty of Chemistry, Gdańsk University of Technology, Gdańsk, Poland
| | - Lesław Świerczek
- Department of Analytical Chemistry, Faculty of Chemistry, Gdańsk University of Technology, Gdańsk, Poland
| | - Piotr Konieczka
- Department of Analytical Chemistry, Faculty of Chemistry, Gdańsk University of Technology, Gdańsk, Poland
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