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Piergies N, Oćwieja M, Maciejewska-Prończuk J, Kosydar R, Paluszkiewicz C, Kwiatek WM. Quantitative and qualitative analyses of drug adsorption on silver nanoparticle monolayers: QCM, SERS, and TEIRA nanospectroscopy studies. Nanoscale 2023. [PMID: 37387227 DOI: 10.1039/d3nr01218b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 07/01/2023]
Abstract
In this study for the first time, surface-enhanced Raman spectroscopy (SERS) and tip-enhanced infrared (TEIRA) nanospectrocopy together with a quartz crystal microbalance (QCM) are postulated as powerful tools for comprehensive qualitative and quantitative analyses of drug/metal nanocarrier conjugates. The development of efficient drug/carrier systems requires that the stability of the drug/carrier connection be estimated and the number of drug molecules immobilized on the carrier surface be determined. Thus, such a characterization study is highly desirable. Here, the SERS technique was applied to identify how erlotinib, a drug applied in non-small cell lung cancer (NSCLC) therapy, interacts with silver nanoparticles (AgNPs) that are considered as drug carriers. These investigations indicate that in the erlotinib/AgNP suspension, the drug strongly connects with the NPs mainly through the phenylacetylene moiety. The QCM was used to prepare an AgNP monolayer with a monitored degree of coverage and to perform controlled erlotinib adsorption as a next step. The results indicate that the drug forms a stable layer on the AgNP monolayer and also show the amount of the erlotinib molecules which underwent immobilization on the metal nanosurface. Simultaneously, it was identified how the erlotinib layer adsorbs on the AgNP monolayer using TEIRA nanospectroscopy with ultra-high spatial resolution. The obtained results show that the phenylacetylene, ethoxy, and methoxy moieties are mainly responsible for the drug/AgNP monolayer connection. Additionally, the performed studies also try to explain the surface-enhanced phenomena that occur during the TEIRA experiments and attempt to prove the statement that the "tip-enhanced" effect plays a crucial role in the detection of the thin erlotinib layer deposited on the AgNP monolayer.
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Affiliation(s)
- Natalia Piergies
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland.
| | - Magdalena Oćwieja
- Jerzy Haber Institute of Catalysis and Surface Chemistry Polish Academy of Sciences, Niezapominajek 8, PL-30239 Krakow, Poland
| | - Julia Maciejewska-Prończuk
- Department of Chemical and Process Engineering, Cracow University of Technology, Warszawska 24, PL-31155 Krakow, Poland
| | - Robert Kosydar
- Jerzy Haber Institute of Catalysis and Surface Chemistry Polish Academy of Sciences, Niezapominajek 8, PL-30239 Krakow, Poland
| | | | - Wojciech M Kwiatek
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland.
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Chrabąszcz K, Kołodziej M, Roman M, Pięta E, Piergies N, Rudnicka-Czerwiec J, Bartosik-Psujek H, Paluszkiewicz C, Cholewa M, Kwiatek WM. Carotenoids contribution in rapid diagnosis of multiple sclerosis by Raman spectroscopy. Biochim Biophys Acta Gen Subj 2023:130395. [PMID: 37271406 DOI: 10.1016/j.bbagen.2023.130395] [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: 01/20/2023] [Revised: 04/28/2023] [Accepted: 05/29/2023] [Indexed: 06/06/2023]
Abstract
Rapid and accurate diagnosis of any illness determines the success of treatment. The same applies to multiple sclerosis (MS), chronic, inflammatory, and neurodegenerative diseases (ND) of the central nervous system (CNS). Unfortunately, the definitive diagnosis of MS is prolonged and involves mainly clinical symptoms observation and magnetic resonance imaging (MRI) of the CNS. However, as we previously reported, Attenuated Total Reflectance Fourier Transform Infrared (ATR-FTIR) spectroscopy shed new light on the minimally invasive, label-free, and rapid diagnosis of this illness through blood fraction. Herein we introduce Raman spectroscopy coupled with chemometric analysis to provide more detailed information about the biochemical changes behind MS. This pilot study demonstrates that mentioned combination may provide a new diagnostic biomarker and bring closer to rapid MS diagnosis. It has been shown that Raman spectroscopy provides lipid and carotenoid molecules as useful biomarkers which may be applied for both diagnosis and treatment monitoring.
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Affiliation(s)
- Karolina Chrabąszcz
- Institute of Nuclear Physics, Polish Academy of Sciences, Radzikowskiego 152, 31-342 Krakow, Poland.
| | - Magdalena Kołodziej
- Institute of Medical Sciences, Medical College of Rzeszow University, Kopisto 2a, 35-315 Rzeszow, Poland
| | - Maciej Roman
- Institute of Nuclear Physics, Polish Academy of Sciences, Radzikowskiego 152, 31-342 Krakow, Poland; SOLARIS, National Synchrotron Radiation Centre, Jagiellonian University, Czerwone Maki 98, 30-392, Krakow, Poland
| | - Ewa Pięta
- Institute of Nuclear Physics, Polish Academy of Sciences, Radzikowskiego 152, 31-342 Krakow, Poland
| | - Natalia Piergies
- Institute of Nuclear Physics, Polish Academy of Sciences, Radzikowskiego 152, 31-342 Krakow, Poland
| | - Julia Rudnicka-Czerwiec
- Department of Neurology, Institute of Medical Sciences, Medical College of Rzeszow University, Warzywna 1a, 35-310 Rzeszow, Poland
| | - Halina Bartosik-Psujek
- Department of Neurology, Institute of Medical Sciences, Medical College of Rzeszow University, Warzywna 1a, 35-310 Rzeszow, Poland
| | - Czesława Paluszkiewicz
- Institute of Nuclear Physics, Polish Academy of Sciences, Radzikowskiego 152, 31-342 Krakow, Poland
| | - Marian Cholewa
- Institute of Physics, College of Natural Sciences, University of Rzeszow, Pigonia Street 1, 35-959 Rzeszow, Poland
| | - Wojciech M Kwiatek
- Institute of Nuclear Physics, Polish Academy of Sciences, Radzikowskiego 152, 31-342 Krakow, Poland
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Barbasz A, Czyżowska A, Piergies N, Oćwieja M. Design cytotoxicity: The effect of silver nanoparticles stabilized by selected antioxidants on melanoma cells. J Appl Toxicol 2021; 42:570-587. [PMID: 34558088 DOI: 10.1002/jat.4240] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [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: 01/19/2021] [Revised: 08/16/2021] [Accepted: 08/31/2021] [Indexed: 12/16/2022]
Abstract
Silver nanoparticles (AgNPs) prepared and stabilized by diverse biologically active substances seem to be especially useful in diverse biological and medical applications. The combination of AgNPs with bioactive substances, such as antioxidants, can lead to the development of new systems of desired anticancer properties. In this research, AgNPs were prepared with the use of diverse antioxidant combinations including gallic acid (GA), (-)-epicatechin-3-gallate (EGCG), and caffeine (CAF). The insightful physicochemical characteristic revealed that each type of AgNPs exhibited spherical shape, comparable size distribution and negative surface charge. Surface-enhanced Raman spectroscopy (SERS) delivered the information about the chemistry of AgNP stabilizing layers, which turned out to be a crucial factor tuning toxicity of AgNPs toward murine B16 melanoma cells (B16-F0) and human skin melanoma (COLO 679) cells. EGCGAgNPs were the most cytotoxic among all the investigated AgNPs. They strongly reduced the activity of mitochondria, damaged cell membrane integrity, and penetrated inside the cells causing DNA damage. In turn, the toxicity of GAAgNPs strongly manifested via the induction of oxidative stress in the cells. It was found that CAFGAAgNPs exhibited the lowest toxicity toward the melanoma cells, which proved that a proper combination of antioxidants enable to prepare AgNPs of differentiated toxicity. It was established that human skin melanoma cells were significantly more sensitive to AgNPs than the murine melanoma cells.
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Affiliation(s)
- Anna Barbasz
- Institute of Biology, Pedagogical University of Cracow, Krakow, Poland
| | | | - Natalia Piergies
- Institute of Nuclear Physics, Polish Academy of Sciences, Krakow, Poland
| | - Magdalena Oćwieja
- Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, Krakow, Poland
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Paluszkiewicz C, Roman M, Piergies N, Pięta E, Woźniak M, Guidi MC, Miśkiewicz-Orczyk K, Marków M, Ścierski W, Misiołek M, Drozdzowska B, Kwiatek WM. Tracking of the biochemical changes upon pleomorphic adenoma progression using vibrational microspectroscopy. Sci Rep 2021; 11:18010. [PMID: 34504182 PMCID: PMC8429647 DOI: 10.1038/s41598-021-97377-2] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 08/23/2021] [Indexed: 02/08/2023] Open
Abstract
Head and neck tumors can be very challenging to treat because of the risk of problems or complications after surgery. Therefore, prompt and accurate diagnosis is extremely important to drive appropriate treatment decisions, which may reduce the chance of recurrence. This paper presents the original research exploring the feasibility of Fourier transform infrared (FT-IR) and Raman spectroscopy (RS) methods to investigate biochemical alterations upon the development of the pleomorphic adenoma. Principal component analysis (PCA) was used for a detailed assessment of the observed changes and to determine the spectroscopic basis for salivary gland neoplastic pathogenesis. It is implied that within the healthy margin, as opposed to the tumoral tissue, there are parts that differ significantly in lipid content. This observation shed new light on the crucial role of lipids in tissue physiology and tumorigenesis. Thus, a novel approach that eliminates the influence of lipids on the elucidation of biochemical changes is proposed. The performed analysis suggests that the highly heterogeneous healthy margin contains more unsaturated triacylglycerols, while the tumoral section is rich in proteins. The difference in protein content was also observed for these two tissue types, i.e. the healthy tissue possesses more proteins in the anti-parallel β-sheet conformation, whereas the tumoral tissue is dominated by proteins rich in unordered random coils. Furthermore, the pathogenic tissue shows a higher content of carbohydrates and reveals noticeable differences in nucleic acid content. Finally, FT-IR and Raman spectroscopy methods were proposed as very promising methods in the discrimination of tumoral and healthy tissues of the salivary gland.
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Affiliation(s)
- Czesława Paluszkiewicz
- grid.413454.30000 0001 1958 0162Institute of Nuclear Physics, Polish Academy of Sciences, Radzikowskiego 152, 31-342 Kraków, Poland
| | - Maciej Roman
- grid.413454.30000 0001 1958 0162Institute of Nuclear Physics, Polish Academy of Sciences, Radzikowskiego 152, 31-342 Kraków, Poland
| | - Natalia Piergies
- grid.413454.30000 0001 1958 0162Institute of Nuclear Physics, Polish Academy of Sciences, Radzikowskiego 152, 31-342 Kraków, Poland
| | - Ewa Pięta
- grid.413454.30000 0001 1958 0162Institute of Nuclear Physics, Polish Academy of Sciences, Radzikowskiego 152, 31-342 Kraków, Poland
| | - Monika Woźniak
- grid.413454.30000 0001 1958 0162Institute of Nuclear Physics, Polish Academy of Sciences, Radzikowskiego 152, 31-342 Kraków, Poland
| | - Mariangela Cestelli Guidi
- grid.463190.90000 0004 0648 0236INFN-Laboratori Nazionali di Frascati, Via E. Fermi 40, 00044 Frascati, Italy
| | - Katarzyna Miśkiewicz-Orczyk
- grid.411728.90000 0001 2198 0923Department of Otorhinolaryngology and Laryngological Oncology in Zabrze, Medical University of Silesia Katowice, 41800 Zabrze, Poland
| | - Magdalena Marków
- grid.411728.90000 0001 2198 0923Department of Otorhinolaryngology and Laryngological Oncology in Zabrze, Medical University of Silesia Katowice, 41800 Zabrze, Poland
| | - Wojciech Ścierski
- grid.411728.90000 0001 2198 0923Department of Otorhinolaryngology and Laryngological Oncology in Zabrze, Medical University of Silesia Katowice, 41800 Zabrze, Poland
| | - Maciej Misiołek
- grid.411728.90000 0001 2198 0923Department of Otorhinolaryngology and Laryngological Oncology in Zabrze, Medical University of Silesia Katowice, 41800 Zabrze, Poland
| | - Bogna Drozdzowska
- grid.411728.90000 0001 2198 0923Department of Pathomorphology Zabrze, Medical University of Silesia, Katowice, Poland
| | - Wojciech M. Kwiatek
- grid.413454.30000 0001 1958 0162Institute of Nuclear Physics, Polish Academy of Sciences, Radzikowskiego 152, 31-342 Kraków, Poland
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Barbasz A, Oćwieja M, Piergies N, Duraczyńska D, Nowak A. Antioxidant-modulated cytotoxicity of silver nanoparticles. J Appl Toxicol 2021; 41:1863-1878. [PMID: 33881181 DOI: 10.1002/jat.4173] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 02/22/2021] [Accepted: 03/22/2021] [Indexed: 11/05/2022]
Abstract
The properties of silver nanoparticles (AgNPs) synthesized using compounds exhibiting biological activity seem to constitute an interesting issue worthy of examination. In these studies, two types of AgNPs were synthesized by a chemical reduction method using well-known antioxidants: gallic acid (GA) and ascorbic acid (AA). Transmission electron microscopy (TEM) and atomic force microscopy (AFM) revealed that the AgNPs were spherical. The average size was equal to 26 ± 6 nm and 20 ± 7 nm in the case of ascorbic acid-silver nanoparticles (AAgNPs) and gallic acid-silver nanoparticles (GAAgNPs), respectively. Surface-enhanced Raman spectroscopy (SERS) confirmed that the AgNPs were not stabilized by pure forms of applied antioxidants. Changes in mitochondrial activity and secretion of inflammatory and apoptosis mediators after the exposure of human promyelocytic (HL-60) and histiocytic lymphoma (U-937) cells to the AgNPs were studied to determine the impact of stabilizing layers on nanoparticle toxicity. The GAAgNPs were found to be more toxic for the cells than the AAgNPs. Their toxicity was manifested by a strong reduction in mitochondrial activity and induction of the secretion of interleukin-6 (IL-6), tumor necrosis factor-α (TNF-α), and caspase-9. The addition of pure antioxidants to the AgNP suspensions was found to influence their toxicity. There was a significant positive effect in the case of the mixture of AA with AAgNPs and GA with GAAgNPs. The results obtained suggest that the presence of stabilizing agents adsorbed on the surface of AgNPs is the main factor in shaping their toxicity. Nevertheless, the toxic effect can be also tuned by the introduction of free antioxidant molecules to the AgNP suspensions.
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Affiliation(s)
- Anna Barbasz
- Institute of Biology, Pedagogical University of Cracow, Krakow, Poland
| | - Magdalena Oćwieja
- Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, Krakow, Poland
| | - Natalia Piergies
- Institute of Nuclear Physics, Polish Academy of Sciences, Krakow, Poland
| | - Dorota Duraczyńska
- Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, Krakow, Poland
| | - Anna Nowak
- Institute of Nuclear Physics, Polish Academy of Sciences, Krakow, Poland
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Liberda D, Pięta E, Pogoda K, Piergies N, Roman M, Koziol P, Wrobel TP, Paluszkiewicz C, Kwiatek WM. The Impact of Preprocessing Methods for a Successful Prostate Cell Lines Discrimination Using Partial Least Squares Regression and Discriminant Analysis Based on Fourier Transform Infrared Imaging. Cells 2021; 10:cells10040953. [PMID: 33924045 PMCID: PMC8073124 DOI: 10.3390/cells10040953] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 04/16/2021] [Accepted: 04/17/2021] [Indexed: 11/30/2022] Open
Abstract
Fourier transform infrared spectroscopy (FT-IR) is widely used in the analysis of the chemical composition of biological materials and has the potential to reveal new aspects of the molecular basis of diseases, including different types of cancer. The potential of FT-IR in cancer research lies in its capability of monitoring the biochemical status of cells, which undergo malignant transformation and further examination of spectral features that differentiate normal and cancerous ones using proper mathematical approaches. Such examination can be performed with the use of chemometric tools, such as partial least squares discriminant analysis (PLS-DA) classification and partial least squares regression (PLSR), and proper application of preprocessing methods and their correct sequence is crucial for success. Here, we performed a comparison of several state-of-the-art methods commonly used in infrared biospectroscopy (denoising, baseline correction, and normalization) with the addition of methods not previously used in infrared biospectroscopy classification problems: Mie extinction extended multiplicative signal correction, Eiler’s smoothing, and probabilistic quotient normalization. We compared all of these approaches and their effect on the data structure, classification, and regression capability on experimental FT-IR spectra collected from five different prostate normal and cancerous cell lines. Additionally, we tested the influence of added spectral noise. Overall, we concluded that in the case of the data analyzed here, the biggest impact on data structure and performance of PLS-DA and PLSR was caused by the baseline correction; therefore, much attention should be given, especially to this step of data preprocessing.
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Affiliation(s)
- Danuta Liberda
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland; (D.L.); (E.P.); (N.P.); (M.R.); (P.K.); (C.P.); (W.M.K.)
| | - Ewa Pięta
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland; (D.L.); (E.P.); (N.P.); (M.R.); (P.K.); (C.P.); (W.M.K.)
| | - Katarzyna Pogoda
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland; (D.L.); (E.P.); (N.P.); (M.R.); (P.K.); (C.P.); (W.M.K.)
- Institute for Medicine and Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA
- Correspondence: (K.P.); (T.P.W.)
| | - Natalia Piergies
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland; (D.L.); (E.P.); (N.P.); (M.R.); (P.K.); (C.P.); (W.M.K.)
| | - Maciej Roman
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland; (D.L.); (E.P.); (N.P.); (M.R.); (P.K.); (C.P.); (W.M.K.)
| | - Paulina Koziol
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland; (D.L.); (E.P.); (N.P.); (M.R.); (P.K.); (C.P.); (W.M.K.)
| | - Tomasz P. Wrobel
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland; (D.L.); (E.P.); (N.P.); (M.R.); (P.K.); (C.P.); (W.M.K.)
- Correspondence: (K.P.); (T.P.W.)
| | - Czeslawa Paluszkiewicz
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland; (D.L.); (E.P.); (N.P.); (M.R.); (P.K.); (C.P.); (W.M.K.)
| | - Wojciech M. Kwiatek
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland; (D.L.); (E.P.); (N.P.); (M.R.); (P.K.); (C.P.); (W.M.K.)
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Święch D, Paluszkiewicz C, Piergies N, Pięta E, Kollbek K, Kwiatek WM. Micro- and Nanoscale Spectroscopic Investigations of Threonine Influence on the Corrosion Process of the Modified Fe Surface by Cu Nanoparticles. Materials (Basel) 2020; 13:E4482. [PMID: 33050390 PMCID: PMC7600280 DOI: 10.3390/ma13204482] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 09/28/2020] [Accepted: 10/01/2020] [Indexed: 12/23/2022]
Abstract
The work presents a comprehensive vibrational analysis of the process of adsorption of threonine (Thr) onto an Fe surface with deposited Cu nanoparticles (NPs) (of about 4-5 nm in size) in a corrosive environment. The application of surface-enhanced Raman spectroscopy (SERS) and surface-enhanced infrared absorption spectroscopy (SEIRA) provides the opportunity for detailed description of adsorption geometry of amino acid onto a metal surface. The combination of conventional infrared spectroscopy (IR) with atomic force microscopy (AFM) resulted in a nano-SEIRA technique which made it possible to provide a precise description of adsorbate binding to the metal surface. The studies presented confirmed that there is a very good correlation between the spectra recorded by the SERS, SEIRA, and nano-SEIRA techniques. Threonine significantly influenced the process of corrosion of the investigated surface due to the existing strong interaction between the protonated amine and carboxylate groups and the CuNPs deposited onto the Fe surface. In addition, the application of two polarization modulations (s and p) in nano-SEIRA allows subtle changes to be observed in the molecule geometry upon adsorption, with the carboxylate group of Thr being almost horizontally oriented onto the metal surface; whereas the amine group that contains nitrogen is oriented perpendicular to this surface.
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Affiliation(s)
- Dominika Święch
- Faculty of Foundry Engineering, AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Krakow, Poland
| | - Czesława Paluszkiewicz
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland; (C.P.); (N.P.); (E.P.); (W.M.K.)
| | - Natalia Piergies
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland; (C.P.); (N.P.); (E.P.); (W.M.K.)
| | - Ewa Pięta
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland; (C.P.); (N.P.); (E.P.); (W.M.K.)
| | - Kamila Kollbek
- Academic Centre for Materials and Nanotechnology, AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Krakow, Poland;
| | - Wojciech M. Kwiatek
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland; (C.P.); (N.P.); (E.P.); (W.M.K.)
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Paluszkiewicz C, Piergies N, Guidi MC, Pięta E, Ścierski W, Misiołek M, Drozdzowska B, Ziora P, Lisowska G, Kwiatek WM. Nanoscale infrared probing of amyloid formation within the pleomorphic adenoma tissue. Biochim Biophys Acta Gen Subj 2020; 1864:129677. [PMID: 32634535 DOI: 10.1016/j.bbagen.2020.129677] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [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: 03/21/2020] [Revised: 06/09/2020] [Accepted: 06/25/2020] [Indexed: 01/09/2023]
Abstract
BACKGROUND The process of malignant transformations of many tumour cases is still unclear and more specific experimental approaches are necessary. The detailed identification of the pathological changes may help in the therapy progression through the development of drugs with more selective action. METHODS In this study, the AFM-IR nanospectroscopy was applied for the first time to the pleomorphic adenoma (TM) and the marginal tissue characterizations. In order to verify the obtained spectral information, conventional FT-IR investigations were also performed. RESULTS The AFM-IR data (topographies, intensity maps, and spectra) show structural changes observed for the margin and TM samples. Additionally, within the tumour tissue the fibril-like areas, characteristic for amyloid diseases, were distinguished. CONCLUSIONS The application of AFM-IR allows to determine changes in the protein secondary structures between the fibrils and the regions outside them. It has been proved that, for the former areas, the α-helix/random coil/ β-sheet components dominate, while for the latter regions the α-helix/random coil indicate the main contribution to the protein composition. GENERAL SIGNIFICANCE The FT-IR results remain in good agreement with the AFM-IR data recorded for the areas outside the fibrils of the TM. This observation confirms that by means of the conventional FT-IR method the identification of the considered fibrils structure would be impossible. Only application of the AFM-IR nanospectroscopy allow for characterization and visualization of the fibrillization process occurring within the investigated tumour tissue.
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Affiliation(s)
| | - Natalia Piergies
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland.
| | | | - Ewa Pięta
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland
| | - Wojciech Ścierski
- Department of Otorhinolaryngology and Laryngological Oncology in Zabrze, Medical University of Silesia Katowice, PL-41800 Zabrze, Poland
| | - Maciej Misiołek
- Department of Otorhinolaryngology and Laryngological Oncology in Zabrze, Medical University of Silesia Katowice, PL-41800 Zabrze, Poland
| | - Bogna Drozdzowska
- Department and Chair of Pathomorphology, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Katowice, PL-41800 Zabrze, Poland
| | - Paweł Ziora
- Department and Chair of Pathomorphology, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Katowice, PL-41800 Zabrze, Poland
| | - Grażyna Lisowska
- Department of Otorhinolaryngology and Laryngological Oncology in Zabrze, Medical University of Silesia Katowice, PL-41800 Zabrze, Poland
| | - Wojciech M Kwiatek
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland
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Paluszkiewicz C, Pięta E, Woźniak M, Piergies N, Koniewska A, Ścierski W, Misiołek M, Kwiatek WM. Saliva as a first-line diagnostic tool: A spectral challenge for identification of cancer biomarkers. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.112961] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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Piergies N, Oćwieja M, Paluszkiewicz C, Kwiatek WM. Spectroscopic insights into the effect of pH, temperature, and stabilizer on erlotinib adsorption behavior onto Ag nanosurface. Spectrochim Acta A Mol Biomol Spectrosc 2020; 228:117737. [PMID: 31757706 DOI: 10.1016/j.saa.2019.117737] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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: 09/06/2019] [Revised: 10/30/2019] [Accepted: 10/30/2019] [Indexed: 06/10/2023]
Abstract
In this study, surface - enhanced Raman spectroscopy (SERS) was applied at the first time for estimation of how pH, temperature, and nanoparticle (NP) stabilizer affect an adsorption behavior of erlotinib (drug approved in a non-small cell lung cancer therapy) onto citrate-stabilized silver nanoparticles (AgNPs). Novel approach to improve cancer therapy assumes application of NPs as an efficient drug delivery system. This strategy requires designing stable drug/nanocarrier conjugates that can effectively interact in the target site. It is also important to perform deeply characterization of a drug orientation on the potential carrier surface and estimation how stable the appeared interaction is. Performed analysis, indicates that pH, temperature, presence of NP stabilizers, and time of incubation have an influence on the occurring adsorption geometry of the drug. However, the observed erlotinib/AgNP interaction remains stable regardless of the applied conditions. These considerations were supported by insightful physicochemical characteristics of the AgNPs and the erlotinib/AgNP conjugates by conducting transmission electron microscopy (TEM) imaging, determination of colloid stability conducted with the use of dynamic light scattering technique (DLS) and measurements of electrophoretic mobility. Such complex approach allows a better understanding of the stability of the erlotinib/AgNP conjugates and provides information how the investigated interaction is affected by the induced perturbations.
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Affiliation(s)
- Natalia Piergies
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342, Krakow, Poland.
| | - Magdalena Oćwieja
- Jerzy Haber Institute of Catalysis and Surface Chemisty, Polish Academy of Sciences, Niezapominajek 8, PL-30239 Krakow, Poland
| | | | - Wojciech M Kwiatek
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342, Krakow, Poland
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11
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Domin H, Piergies N, Pięta E, Wyska E, Pochwat B, Wlaź P, Śmiałowska M, Paluszkiewicz C, Szewczyk B. Characterization of the Brain Penetrant Neuropeptide Y Y2 Receptor Antagonist SF-11. ACS Chem Neurosci 2019; 10:3454-3463. [PMID: 31267743 DOI: 10.1021/acschemneuro.9b00082] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
This paper discusses the biological and three-dimensional molecular structure of the novel, nonpeptide Y2R antagonist, SF-11 [N-(4-ethoxyphenyl)-4-(hydroxydiphenylmethyl)-1-piperidinecarbothioamide]. Pharmacokinetic studies in a rat model indicated that, following intraperitoneal dosing, SF-11 crossed the blood-brain barrier and was able to penetrate the brain, making it a suitable tool for behavioral studies. We showed for the first time that SF-11 decreased the immobility time in the forced swim test (FST) after acute peripheral administration (10 and 20 mg/kg), indicating that it has antidepressant potential. Inhibitors of the mitogen-activated protein kinase/extracellular signal regulated kinase (MAPK/ERK) and phosphatidylinositol 3-kinase (PI3K) signaling pathways blocked the anti-immobility effect of SF-11, suggesting that these pathways are involved in the antidepressant-like activity of SF-11 in the FST. The results of locomotor activity of rats indicate that the effects observed in the FST are specific and due to the antidepressant-like activity of SF-11. These findings provide further evidence for the antidepressant potential of Y2R antagonists. Also, the application of Fourier transform infrared absorption (FT-IR) and Raman spectroscopy (RS) methods combined with theoretical density functional theory (DFT) calculations allowed us to present the optimized spatial orientation of the investigated drug. Structural characterization of SF-11 based on vibrational spectroscopic data is of great importance and will aid in understanding its biological activity and pave the way for its development as a new antidepressant agent.
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Affiliation(s)
- Helena Domin
- Maj Institute of Pharmacology, Polish Academy of Sciences, Department of Neurobiology, 31-343 Kraków, 12 Smętna Street, Poland
| | - Natalia Piergies
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland
| | - Ewa Pięta
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland
| | - Elżbieta Wyska
- Department of Pharmacokinetics and Physical Pharmacy, Collegium Medicum, Jagiellonian University, Medyczna 9, 30-688 Kraków, Poland
| | - Bartłomiej Pochwat
- Maj Institute of Pharmacology, Polish Academy of Sciences, Department of Neurobiology, 31-343 Kraków, 12 Smętna Street, Poland
| | - Piotr Wlaź
- Department of Animal Physiology, Institute of Biology and Biochemistry, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, PL-20-033 Lublin, Poland
| | - Maria Śmiałowska
- Maj Institute of Pharmacology, Polish Academy of Sciences, Department of Neurobiology, 31-343 Kraków, 12 Smętna Street, Poland
| | | | - Bernadeta Szewczyk
- Maj Institute of Pharmacology, Polish Academy of Sciences, Department of Neurobiology, 31-343 Kraków, 12 Smętna Street, Poland
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12
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Wrobel TP, Piergies N, Pieta E, Kwiatek W, Paluszkiewicz C, Fornal M, Grodzicki T. Erythrocyte heme‑oxygenation status indicated as a risk factor in prehypertension by Raman spectroscopy. Biochim Biophys Acta Mol Basis Dis 2018; 1864:3659-3663. [PMID: 30251685 DOI: 10.1016/j.bbadis.2018.07.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [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: 04/25/2018] [Revised: 06/28/2018] [Accepted: 07/05/2018] [Indexed: 11/18/2022]
Abstract
Raman spectroscopy of erythrocytes provides detailed information about the structure and status of heme moiety, which can be used to provide new insights into molecular pathogenesis of several diseases. In this study, we present the first Raman spectroscopy investigations of the effect of hemoglobin oxygenation in the context of hypertensive disease. The experimental data was subjected to Logistic Regression, which indicated heme‑oxygenation status as an important risk factor alongside other clinical parameters. The 1605/1621 cm-1 band ratio was selected as an optimal Raman metric for risk assessment and along with other band ratios (1583, 1639, 1310 cm-1) related to heme status and when combined with clinical data via logistic regression gave an Area Under the Curve (AUC) >0.95 for prehypertension risk prediction. The work demonstrates the feasibility of Raman spectroscopy to distinguish between prehypertensive and normotensive states. Simultaneously, it is implied that the etiology of the high blood pressure progression may be connected with the changes in hemoglobin oxygenation.
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Affiliation(s)
- Tomasz P Wrobel
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland.
| | - Natalia Piergies
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland
| | - Ewa Pieta
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland
| | - Wojciech Kwiatek
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland
| | | | - Maria Fornal
- Jagiellonian University, Collegium Medicum, Department of Internal Medicine and Gerontology, ul. Sniadeckich 10, Krakow, Poland.
| | - Tomasz Grodzicki
- Jagiellonian University, Collegium Medicum, Department of Internal Medicine and Gerontology, ul. Sniadeckich 10, Krakow, Poland
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13
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Fornal M, Piergies N, Pięta E, Wrobel TP, Kwiatek WM, Paluszkiewicz C, Królczyk J, Grodzicki T. Triglycerides as indicators of erythrocyte hemoglobin oxygen-binding properties1. Clin Hemorheol Microcirc 2018; 69:289-294. [DOI: 10.3233/ch-189127] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Maria Fornal
- Department of Internal Medicine and Gerontology, Jagiellonian University Medical College, Krakow, Poland
| | - Natalia Piergies
- Institute of Nuclear Physics Polish Academy of Sciences, Krakow, Poland
| | - Ewa Pięta
- Institute of Nuclear Physics Polish Academy of Sciences, Krakow, Poland
| | - Tomasz P. Wrobel
- Institute of Nuclear Physics Polish Academy of Sciences, Krakow, Poland
| | | | | | - Jarosław Królczyk
- Department of Internal Medicine and Gerontology, Jagiellonian University Medical College, Krakow, Poland
| | - Tomasz Grodzicki
- Department of Internal Medicine and Gerontology, Jagiellonian University Medical College, Krakow, Poland
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14
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Paluszkiewicz C, Piergies N, Sozańska A, Chaniecki P, Rękas M, Miszczyk J, Gajda M, Kwiatek WM. Vibrational microspectroscopy analysis of human lenses. Spectrochim Acta A Mol Biomol Spectrosc 2018; 188:332-337. [PMID: 28746907 DOI: 10.1016/j.saa.2017.07.027] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [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: 10/25/2016] [Revised: 01/25/2017] [Accepted: 07/18/2017] [Indexed: 06/07/2023]
Abstract
In this study we present vibrational analysis of healthy (non-affected by cataract) and cataractous human lenses by means of Raman and FTIR spectroscopy methods. The performed analysis provides complex information about the secondary structure of the proteins and conformational changes of the amino acid residues due to the formation of opacification of human lens. Briefly, the changes in the conformation of the Tyr and Trp residues and the protein secondary structure between the healthy and cataractous samples, were recognized. Moreover, the observed spectral pattern suggests that the process of cataract development does not occur uniformly over the entire volume of the lens.
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Affiliation(s)
- C Paluszkiewicz
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland
| | - N Piergies
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland.
| | - A Sozańska
- Spectroscopy Product Division, Renishaw Sp. z o o, 02-823 Warszawa, Poland
| | - P Chaniecki
- Department of Ophthalmology, 5th Military Hospital with Polyclinic in Krakow, Wroclawska 1-3, 30-091 Kraków, Poland
| | - M Rękas
- Department of Ophthalmology, Military Medical Institute, Szaserów 128, 04-141 Warszawa, Poland
| | - J Miszczyk
- Department of Ophthalmology, 5th Military Hospital with Polyclinic in Krakow, Wroclawska 1-3, 30-091 Kraków, Poland
| | - M Gajda
- Department of Histology, Jagiellonian University Medical College, Kopernika 7, 31-034 Krakow, Poland
| | - W M Kwiatek
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland
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15
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Paluszkiewicz C, Piergies N, Chaniecki P, Rękas M, Miszczyk J, Kwiatek W. Differentiation of protein secondary structure in clear and opaque human lenses: AFM – IR studies. J Pharm Biomed Anal 2017; 139:125-132. [DOI: 10.1016/j.jpba.2017.03.001] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Revised: 02/20/2017] [Accepted: 03/01/2017] [Indexed: 01/08/2023]
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16
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Domin H, Piergies N, Święch D, Pięta E, Proniewicz E. SERS characterization of neuropeptide Y and its C-terminal fragments deposited onto colloidal gold nanoparticle surface. Colloids Surf B Biointerfaces 2017; 149:80-88. [DOI: 10.1016/j.colsurfb.2016.10.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Revised: 09/30/2016] [Accepted: 10/03/2016] [Indexed: 12/22/2022]
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17
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Domin H, Pięta E, Piergies N, Święch D, Kim Y, Proniewicz LM, Proniewicz E. Neuropeptide Y and its C-terminal fragments acting on Y2 receptor: Raman and SERS spectroscopy studies. J Colloid Interface Sci 2014; 437:111-118. [PMID: 25313473 DOI: 10.1016/j.jcis.2014.09.053] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [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: 08/25/2014] [Revised: 09/17/2014] [Accepted: 09/19/2014] [Indexed: 12/12/2022]
Abstract
In this paper, we present spectroscopic studies of neuropeptide Y (NPY) and its native NPY(3-36), NPY(13-36), and NPY(22-36) and mutated acetyl-(Leu(28,31))-NPY(24-36)C-terminal fragments acting on Y2 receptor. Since there is some evidence for the correlation between the SERS patterns and the receptor binding ability, we performed a detailed analysis for these compounds at the metal/water interface using Raman spectroscopy (RS) and surface-enhanced Raman spectroscopy (SERS) methods. Many studies have suggested that interactions of this kind are crucial for a variety of biomedical and biochemical phenomena. The identification of amino acids in these peptide sequences by SERS allowed us to determine which molecular fragments were responsible for the interaction with the silver nanoparticle surface. Our findings demonstrated that in all of the investigated compounds, the NPY(32-36)C-terminal fragment (Thr(32)-Arg(33)-Gln(34)-Arg(35)-Tyr(36)NH2) was involved in the adsorption process onto metal substrate. The results of the present study suggest that the same molecular fragment interacts with the Y2 receptor, what proved the usefulness of the SERS method in the study of these biologically active compounds. The search for analogs acting on Y2 receptor may be important from the viewpoint of possible future clinical applications.
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Affiliation(s)
- Helena Domin
- Department of Neurobiology, Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, 31-343 Kraków, Poland
| | - Ewa Pięta
- Faculty of Chemistry, Jagiellonian University, ul. Ingardena 3, 30-060 Kraków, Poland
| | - Natalia Piergies
- Faculty of Chemistry, Jagiellonian University, ul. Ingardena 3, 30-060 Kraków, Poland
| | - Dominika Święch
- Faculty of Chemistry, Jagiellonian University, ul. Ingardena 3, 30-060 Kraków, Poland
| | - Younkyoo Kim
- Department of Chemistry, Hankuk University of Foreign Studies, Yongin, Kyunggi-Do 449-791, Republic of Korea
| | - Leonard M Proniewicz
- Faculty of Chemistry, Jagiellonian University, ul. Ingardena 3, 30-060 Kraków, Poland
| | - Edyta Proniewicz
- Faculty of Foundry Engineering, AGH University of Science and Technology, ul. Reymonta 23, 30-059 Kraków, Poland.
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18
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Piergies N, Proniewicz E, Ozaki Y, Kim Y, Proniewicz LM. Influence of Substituent Type and Position on the Adsorption Mechanism of Phenylboronic Acids: Infrared, Raman, and Surface-Enhanced Raman Spectroscopy Studies. J Phys Chem A 2013; 117:5693-705. [DOI: 10.1021/jp404184x] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Natalia Piergies
- Faculty of Chemistry, Jagiellonian University, ul. Ingardena 3, 30-060 Krakow,
Poland
| | - Edyta Proniewicz
- Faculty of Chemistry, Jagiellonian University, ul. Ingardena 3, 30-060 Krakow,
Poland
| | - Yukihiro Ozaki
- Department of Chemistry,
School
of Science and Technology, Kwansei-Gakuin University, 2-1 Gakuen, Sanda, Hyogo 669-1337, Japan
| | - Younkyoo Kim
- Department of Chemistry, Hankuk University of Foreign Studies, Yongin, Kyunggi-Do,
449-791, Korea
| | - Leonard M. Proniewicz
- Faculty of Chemistry, Jagiellonian University, ul. Ingardena 3, 30-060 Krakow,
Poland
- Department of Chemistry,
School
of Science and Technology, Kwansei-Gakuin University, 2-1 Gakuen, Sanda, Hyogo 669-1337, Japan
- The State Higher Vocational School, ul. Mickiewicza 8, 33-100 Tarnów,
Poland
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19
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Proniewicz E, Pięta E, Kudelski A, Piergies N, Skołuba D, Kim Y, Proniewicz LM. Vibrational and Theoretical Studies of the Structure and Adsorption Mode of m-Nitrophenyl α-Guanidinomethylphosphonic Acid Analogues on Silver Surfaces. J Phys Chem A 2013; 117:4963-72. [DOI: 10.1021/jp403045g] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Edyta Proniewicz
- Faculty of Chemistry, Jagiellonian University, ul. Ingardena 3, 30-060 Krakow, Poland
| | - Ewa Pięta
- Faculty of Chemistry, Jagiellonian University, ul. Ingardena 3, 30-060 Krakow, Poland
| | - Andrzej Kudelski
- Faculty of Chemistry, University of Warsaw, ul. L. Pasteura 1, 02-093 Warsaw, Poland
| | - Natalia Piergies
- Faculty of Chemistry, Jagiellonian University, ul. Ingardena 3, 30-060 Krakow, Poland
| | - Dominika Skołuba
- Faculty of Chemistry, Jagiellonian University, ul. Ingardena 3, 30-060 Krakow, Poland
| | - Younkyoo Kim
- Department of Chemistry, Hankuk University of Foreign Studies, Yongin, Kyunggi-Do,
449-791, Korea
| | - Leonard M. Proniewicz
- Faculty of Chemistry, Jagiellonian University, ul. Ingardena 3, 30-060 Krakow, Poland
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20
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Proniewicz E, Piergies N, Ozaki Y, Kim Y, Proniewicz LM. Investigation of adsorption mode of a novel group of N-benzylamino(boronphenyl)methylphosphonic acids using SERS. Spectrochim Acta A Mol Biomol Spectrosc 2013; 103:167-172. [PMID: 23261609 DOI: 10.1016/j.saa.2012.10.040] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2012] [Revised: 09/30/2012] [Accepted: 10/23/2012] [Indexed: 06/01/2023]
Abstract
Here, we report a systematic surface-enhanced Raman spectroscopy (SERS) study of the structures of five N-benzylamino(boronphenyl)-methylphosphonic acids: N-benzylamino-(3-boronphenyl)-S-methylphosphonic acid (m-PhS), N-benzylamino-(4-boronphenyl)-S-methylphosphonic acid (p-PhS), N-benzylamino-(2-boronphenyl)-R-methylphosphonic acid (o-PhR), N-benzylamino-(3-boronphenyl)-R-methyl-phosphonic acid (m-PhR), and N-benzylamino-(4-boronphenyl)-R-methylphosphonic acid (p-PhR) adsorbed on nanometer-sized colloidal particles (20-25 nm). For example, we showed that all of these molecules interact with the colloidal surface through a boronophenyl ring, which plane remained vertical on the surface. For p-PhS, a preferential interaction between the P=O bond and the colloidal silver surface is observed to be stronger than for the remaining compounds. The -P(OH)(2) and -B(OH)(2) fragments take part in the adsorption process. However, the B-O bond of p-PhS and p-PhR seemed to be tilted with respect to the silver surface.
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Affiliation(s)
- Edyta Proniewicz
- Faculty of Chemistry, Jagiellonian University, ul. Ingardena 3, 30-060 Krakow, Poland.
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21
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Piergies N, Proniewicz E, Kudelski A, Rydzewska A, Kim Y, Andrzejak M, Proniewicz LM. Fourier Transform Infrared and Raman and Surface-Enhanced Raman Spectroscopy Studies of a Novel Group of Boron Analogues of Aminophosphonic Acids. J Phys Chem A 2012; 116:10004-14. [DOI: 10.1021/jp307064p] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Natalia Piergies
- Faculty of Chemistry, Jagiellonian University, ul. Ingardena 3, 30-060 Krakow,
Poland
| | - Edyta Proniewicz
- Faculty of Chemistry, Jagiellonian University, ul. Ingardena 3, 30-060 Krakow,
Poland
| | - Andrzej Kudelski
- Faculty of Chemistry, University of Warsaw, ul. L. Pasteura 1, 02-093 Warsaw,
Poland
| | - Agata Rydzewska
- Department of Bioorganic
Chemistry,
Faculty of Chemistry, Wrocław University of Technology, Wybrzeże Wyspianskiego 27, 50-370, Wrocław, Poland
| | - Younkyoo Kim
- Department of Chemistry, Hankuk University of Foreign Studies, Yongin, Kyunggi-Do,
449-791, Korea
| | - Marcin Andrzejak
- Faculty of Chemistry, Jagiellonian University, ul. Ingardena 3, 30-060 Krakow,
Poland
| | - Leonard M. Proniewicz
- Faculty of Chemistry, Jagiellonian University, ul. Ingardena 3, 30-060 Krakow,
Poland
- The State Higher Vocational School, ul. Mickiewicza 8, 33-100 Tarnów,
Poland
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22
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Podstawka-Proniewicz E, Piergies N, Skołuba D, Kafarski P, Kim Y, Proniewicz LM. Vibrational Characterization of l-Leucine Phosphonate Analogues: FT-IR, FT-Raman, and SERS Spectroscopy Studies and DFT Calculations. J Phys Chem A 2011; 115:11067-78. [DOI: 10.1021/jp207101m] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | - Natalia Piergies
- Faculty of Chemistry, Jagiellonian University, ul. Ingardena 3, 30-060 Krakow, Poland
| | - Dominika Skołuba
- Faculty of Chemistry, Jagiellonian University, ul. Ingardena 3, 30-060 Krakow, Poland
| | - Paweł Kafarski
- Department of Bioorganic Chemistry, Faculty of Chemistry, Wroclaw Technical University, ul. Wybrzeże Wyspiańskiego 27, 50-370 Wroclaw, Poland
| | - Younkyoo Kim
- Department of Chemistry, Hankuk University of Foreign Studies, Yongin, Kyunggi-Do, 449-791, Korea
| | - Leonard M. Proniewicz
- Faculty of Chemistry, Jagiellonian University, ul. Ingardena 3, 30-060 Krakow, Poland
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