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Biggio D, Elsener B, Usai G, Fantauzzi M, Rossi A. Surface Chemistry of Passive Films on Ni-Free Stainless Steel: The Effect of Organic Components in Artificial Saliva. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:6824-6833. [PMID: 38498002 DOI: 10.1021/acs.langmuir.3c03728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
The composition and thickness of the passive film formed on the surface of an austenitic Ni-free DIN 1.4456 stainless steel (18% Cr, 18% Mn, and 2% Mo) used in orthodontics were investigated by X-ray photoelectron spectroscopy following contact with three complex artificial saliva solutions containing different organic components. It was found that the synergistic action of low pH and the presence of sodium citrate and lactic acid in the Darvell formulation resulted in thin passive films strongly enriched in chromium phosphates and oxyhydroxides and depleted in iron oxide. The differences in the surface chemistry of the passive film formed upon contact with the different artificial saliva formulations can be related to the more intense alloy dissolution in the active/passive transition, as shown by the polarization curves. Citrates or lactic acid can complex iron and promote alloy dissolution. The corrosion rates diminish with time, and after 16 h, they are found to be about 0.5 μm/year for all saliva formulations examined.
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Affiliation(s)
- Deborah Biggio
- Dipartimento di Scienze Chimiche e Geologiche, Università di Cagliari, Cittadella Universitaria, 09042 Monserrato, Cagliari, Italy
| | - Bernhard Elsener
- Dipartimento di Scienze Chimiche e Geologiche, Università di Cagliari, Cittadella Universitaria, 09042 Monserrato, Cagliari, Italy
| | - Giulia Usai
- Dipartimento di Scienze Chimiche e Geologiche, Università di Cagliari, Cittadella Universitaria, 09042 Monserrato, Cagliari, Italy
| | - Marzia Fantauzzi
- Dipartimento di Scienze Chimiche e Geologiche, Università di Cagliari, Cittadella Universitaria, 09042 Monserrato, Cagliari, Italy
| | - Antonella Rossi
- Dipartimento di Scienze Chimiche e Geologiche, Università di Cagliari, Cittadella Universitaria, 09042 Monserrato, Cagliari, Italy
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2
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Lou H, Zhang Y, Kuczera K, Hageman MJ, Schöneich C. Molecular Dynamics Simulation of an Iron(III) Binding Site on the Fc Domain of IgG1 Relevant for Visible Light-Induced Protein Fragmentation. Mol Pharm 2024; 21:501-512. [PMID: 38128475 DOI: 10.1021/acs.molpharmaceut.3c00612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
Molecular dynamics simulations were employed to investigate the interaction between Fe(III) and an iron-binding site composed of THR259, ASP252, and GLU261 on the Fc domain of an IgG1. The goal was to provide microscopic mechanistic information for the photochemical, iron-dependent site-specific oxidative fragmentation of IgG1 at THR259 reported in our previous paper. The distance between Fe(III) and residues of interest as well as the binding pocket size was examined for both protonated and deprotonated THR259. The Fe(III) binding free energy (ΔG) was estimated by using an umbrella sampling approach. The pKa shift of the THR259 hydroxyl group caused by the presence of nearby Fe(III) was estimated based on a thermodynamic cycle. The simulation results show that Fe(III) resides inside the proposed binding pocket and profoundly changes the pocket configuration. The ΔG values indicate that the pocket possesses a strong binding affinity for Fe(III). Furthermore, Fe(III) profoundly lowers the pKa value of the THR259 hydroxyl group by 5.4 pKa units.
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Affiliation(s)
- Hao Lou
- Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, Kansas 66047, United States
- Biopharmaceutical Innovation and Optimization Center, University of Kansas, Lawrence, Kansas 66047, United States
| | - Yilue Zhang
- Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, Kansas 66047, United States
| | - Krzysztof Kuczera
- Department of Chemistry, University of Kansas, Lawrence, Kansas 66045, United States
- Department of Molecular Biosciences, University of Kansas, Lawrence, Kansas 66045, United States
| | - Michael J Hageman
- Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, Kansas 66047, United States
- Biopharmaceutical Innovation and Optimization Center, University of Kansas, Lawrence, Kansas 66047, United States
| | - Christian Schöneich
- Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, Kansas 66047, United States
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3
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Pozdnyakov IP, Tyutereva YE, Mikheilis AV, Grivin VP, Plyusnin VF. Primary photoprocesses for Fe(III) complexes with citric and glycolic acids in aqueous solutions. J Photochem Photobiol A Chem 2023. [DOI: 10.1016/j.jphotochem.2022.114274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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4
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Al Talebi ZA, Al-Kawaz HS, Mahdi RK, Al-Hassnawi AT, Alta'ee AH, Hadwan AM, Khudhair DA, Hadwan MH. An optimized protocol for estimating cellulase activity in biological samples. Anal Biochem 2022; 655:114860. [PMID: 35985481 DOI: 10.1016/j.ab.2022.114860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 08/10/2022] [Accepted: 08/11/2022] [Indexed: 11/01/2022]
Abstract
Cellulase is a microbial enzyme responsible for degrading the β-1,4 glycoside bond in polysaccharide cellulose, which is abundant in various animal foodstuffs. Cellulase is an important industrial enzyme used for various purposes, including biopolishing textile fibers, softening garments, biostoning denim fabric, and removing excess color from textiles. In the food industry, cellulase is combined with pectinase and hemicellulase. Therefore, the need for a reliable, fast, and inexpensive cellulase activity protocol that could be used with diverse biological and environmental samples is great. This study developed a novel method to quantify cellulase activity using picric acid (PCA), which reacts with generated glucose molecules to produce mahogany red picramic acid. This PCA-cellulase method uses sodium hydroxide instead of sodium carbonate to provide alkalinity in the reaction solution, increasing the stability of picramic acid and the sensitivity and linearity of the reaction. It also overcomes the limitations of previous methods. It is notable for its dependence on few chemicals with low concentrations compared to previous methods that depend on many chemicals with high concentrations. The PCA-cellulase method was optimized using the Box-Behnken design, and its accuracy was determined using a response surface approach. A Bland-Altman cellulase activity graph was used to validate the PCA-cellulase method with a correlation coefficient of 0.9991. Therefore, the novel PCA-cellulase method provides accurate results that are comparable to existing methods.
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Affiliation(s)
- Zainab Abbas Al Talebi
- Chemistry Dept., College of Science, University of Babylon, Hilla City, Babylon Governorate, p.o. 51002, Iraq.
| | - Hawraa Saad Al-Kawaz
- Department of Medical Laboratories Techniques, Al-Mustaqbal University College, Babylon, Iraq.
| | | | | | | | - Asad M Hadwan
- Faculty of Medicine, Golestan University of Medical Sciences, Gorgan, Iran.
| | - Dunia Abbas Khudhair
- Department of Medical Laboratories Techniques, Al-Mustaqbal University College, Babylon, Iraq.
| | - Mahmoud Hussein Hadwan
- Chemistry Dept., College of Science, University of Babylon, Hilla City, Babylon Governorate, p.o. 51002, Iraq.
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5
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A chronological review of photochemical reactions of ferrioxalate at the molecular level: New insights into an old story. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.107752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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6
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Głowacka J, Koncki R, Strzelak K. Multicommutation flow analysis system for non-enzymatic lactate determination based on light-driven photometric assay. Anal Chim Acta 2022; 1210:339878. [DOI: 10.1016/j.aca.2022.339878] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 03/28/2022] [Accepted: 04/23/2022] [Indexed: 11/26/2022]
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7
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Wu W, Wang L, Yang Y, Du W, Ji W, Fang Z, Hou X, Wu Q, Zhang C, Li L. Optical flexible biosensors: From detection principles to biomedical applications. Biosens Bioelectron 2022; 210:114328. [DOI: 10.1016/j.bios.2022.114328] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 04/16/2022] [Accepted: 04/23/2022] [Indexed: 01/30/2023]
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8
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Butler A, Harder T, Ostrowski AD, Carrano CJ. Photoactive siderophores: Structure, function and biology. J Inorg Biochem 2021; 221:111457. [PMID: 34010741 DOI: 10.1016/j.jinorgbio.2021.111457] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 03/30/2021] [Accepted: 04/03/2021] [Indexed: 12/17/2022]
Abstract
It is well known that bacteria and fungi have evolved sophisticated systems for acquiring the abundant but biologically inaccessible trace element iron. These systems are based on high affinity Fe(III)-specific binding compounds called siderophores which function to acquire, transport, and process this essential metal ion. Many hundreds of siderophores are now known and their numbers continue to grow. Extensive studies of their isolation, structure, transport, and molecular genetics have been undertaken in the last three decades and have been comprehensively reviewed many times. In this review we focus on a unique subset of siderophores that has only been recognized in the last 20 years, namely those whose iron complexes display photoactivity. This photoactivity, which typically results in the photooxidation of the siderophore ligand with concomitant reduction of Fe(III) to Fe(II), seemingly upsets the siderophore paradigm of forming and transporting only extremely stable Fe(III) complexes into microbial cells. Here we review their structure, synthesis, photochemistry, photoproduct coordination chemistry and explore the potential biological and ecological consequences of this photoactivity.
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Affiliation(s)
- Alison Butler
- Department of Chemistry and Biochemistry University of California, Santa Barbara, CA 93106 United States
| | - Tilmann Harder
- Department of Biology and Chemistry, University of Bremen, and Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Germany
| | | | - Carl J Carrano
- Department of Chemistry and Biochemistry, San Diego State University, United States.
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9
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Benssassi ME, Mammeri L, Talbi K, Lekikot B, Sehili T, Santaballa JA, Canle M. Removal of paracetamol in the presence of iron(III) complexes of glutamic and lactic acid in aqueous solution under NUV irradiation. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.118195] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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10
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Benssassi ME, Mammeri L, Sehili T, Canle M. First evidence of a photochemical process including an iron-aspartate complex and its use for paracetamol elimination from aqueous solution. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2021.113132] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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11
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Dong Y, Peng W, Liu Y, Wang Z. Photochemical origin of reactive radicals and halogenated organic substances in natural waters: A review. JOURNAL OF HAZARDOUS MATERIALS 2021; 401:123884. [PMID: 33113752 DOI: 10.1016/j.jhazmat.2020.123884] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 08/14/2020] [Accepted: 08/23/2020] [Indexed: 06/11/2023]
Abstract
Halogenated organic compounds, also termed organohalogens, were initially regarded to be of almost exclusively anthropogenic origin. However, recent research has demonstrated that photochemical reactions are important abiotic sources of organohalogen compounds in sunlit surface waters. Halide ions (X-, X represents Cl, Br and I) are common anions in natural waters and might be oxidized by reactive species originated from photochemistry of dissolved organic matter (DOM) or inorganic photoactive species. The resulting reactive halogen species may react with organic substances with diverse bimolecular reaction rate constants, depending on the complexity and structure of organic substances. Therefore, the chemical mechanism of halogenation remains challenging to be fully elucidated. To better understand the trends in the existing data and to identify the knowledge gaps that may merit further investigation, this review gives an integrative summary on the sources of reactive oxygen species (ROS) and halogen radicals (X/X2-). Photochemical halogenation of phenolic compounds and formation of methyl halide and brominated organic pollutants are highlighted. By evaluating existing literature and identifying some uncertainties, this review emphasizes the environmental significance of sunlight-driven halogenation and proposes further research directions on mechanistic investigation and rational experimental design close to natural systems.
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Affiliation(s)
- Yongxia Dong
- Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai 200241, China
| | - Wenya Peng
- Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai 200241, China
| | - Yunjiao Liu
- Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai 200241, China
| | - Zhaohui Wang
- Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai 200241, China; Shanghai Engineering Research Center of Biotransformation of Organic Solid Waste, Shanghai 200241, China; Technology Innovation Center for Land Spatial Eco-restoration in Metropolitan Area, Ministry of Natural Resources, 3663 N. Zhongshan Road, Shanghai 200062, China.
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12
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Ardalan S, Hosseinifard M, Vosough M, Golmohammadi H. Towards smart personalized perspiration analysis: An IoT-integrated cellulose-based microfluidic wearable patch for smartphone fluorimetric multi-sensing of sweat biomarkers. Biosens Bioelectron 2020; 168:112450. [PMID: 32877780 DOI: 10.1016/j.bios.2020.112450] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 07/06/2020] [Accepted: 07/13/2020] [Indexed: 01/30/2023]
Abstract
Practical obstacles, such as intricate designs and expensive equipment/materials, in the fabrication of wearable sweat sensors, have limited their feasibility as a personalized healthcare device. Herein, we have fabricated a cellulose-based wearable patch, which further paired with a smartphone-based fluorescence imaging module and a self-developed smartphone app for non-invasive and in situ multi-sensing of sweat biomarkers including glucose, lactate, pH, chloride, and volume. The developed Smart Wearable Sweat Patch (SWSP) sensor comprises highly fluorescent sensing probes embedded in paper substrates, and microfluidic channels consisted of cotton threads to harvest sweat from the skin surface and to transport it to the paper-based sensing probes. The imaging module was fabricated by a 3D printer, equipped with UV-LED lamps and an optical filter to provide the in situ capability of capturing digital images of the sensors via a smartphone. A smartphone app was also designed to quantify the concentration of the biomarkers via a detection algorithm. Additionally, we have recommended an Internet of Things (IoT)-based model for our developed SWSP sensor to promote its potential application for the future. The field studies on human subjects were also conducted to investigate the feasibility of our developed SWSP sensor for the analysis of sweat biomarkers. Our findings convincingly demonstrated the applicability of our developed SWSP sensor as a smart, user-friendly, ultra-low-cost (~0.03 $ per sweat patch), portable, selective, rapid, and non-invasive healthcare monitoring device for immense applications in health personalization, sports performance monitoring, and medical diagnostics.
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Affiliation(s)
- Sina Ardalan
- Chemistry and Chemical Engineering Research Center of Iran, 14335-186, Tehran, Iran
| | - Mohammad Hosseinifard
- Chemistry and Chemical Engineering Research Center of Iran, 14335-186, Tehran, Iran.
| | - Maryam Vosough
- Chemistry and Chemical Engineering Research Center of Iran, 14335-186, Tehran, Iran
| | - Hamed Golmohammadi
- Chemistry and Chemical Engineering Research Center of Iran, 14335-186, Tehran, Iran.
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13
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14
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Auerbach H, Giammanco GE, Schünemann V, Ostrowski AD, Carrano CJ. Mössbauer Spectroscopic Characterization of Iron(III)–Polysaccharide Coordination Complexes: Photochemistry, Biological, and Photoresponsive Materials Implications. Inorg Chem 2017; 56:11524-11531. [DOI: 10.1021/acs.inorgchem.7b00686] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Hendrik Auerbach
- Department of Physics, University of Kaiserslautern, 67663 Kaiserslautern, Germany
| | - Giuseppe E. Giammanco
- Department of Chemistry, Bowling Green State University, Bowling
Green, Ohio 43403 United States
| | - Volker Schünemann
- Department of Physics, University of Kaiserslautern, 67663 Kaiserslautern, Germany
| | - Alexis D. Ostrowski
- Department of Chemistry, Bowling Green State University, Bowling
Green, Ohio 43403 United States
| | - Carl J. Carrano
- Department of Chemistry and Biochemistry, San Diego State University, San Diego, California 92182-1030, United States
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15
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Herrmann H, Schaefer T, Tilgner A, Styler SA, Weller C, Teich M, Otto T. Tropospheric aqueous-phase chemistry: kinetics, mechanisms, and its coupling to a changing gas phase. Chem Rev 2015; 115:4259-334. [PMID: 25950643 DOI: 10.1021/cr500447k] [Citation(s) in RCA: 204] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Hartmut Herrmann
- Atmospheric Chemistry Department (ACD), Leibniz Institute for Tropospheric Research (TROPOS), Permoserstraße 15, 04318 Leipzig, Germany
| | - Thomas Schaefer
- Atmospheric Chemistry Department (ACD), Leibniz Institute for Tropospheric Research (TROPOS), Permoserstraße 15, 04318 Leipzig, Germany
| | - Andreas Tilgner
- Atmospheric Chemistry Department (ACD), Leibniz Institute for Tropospheric Research (TROPOS), Permoserstraße 15, 04318 Leipzig, Germany
| | - Sarah A Styler
- Atmospheric Chemistry Department (ACD), Leibniz Institute for Tropospheric Research (TROPOS), Permoserstraße 15, 04318 Leipzig, Germany
| | - Christian Weller
- Atmospheric Chemistry Department (ACD), Leibniz Institute for Tropospheric Research (TROPOS), Permoserstraße 15, 04318 Leipzig, Germany
| | - Monique Teich
- Atmospheric Chemistry Department (ACD), Leibniz Institute for Tropospheric Research (TROPOS), Permoserstraße 15, 04318 Leipzig, Germany
| | - Tobias Otto
- Atmospheric Chemistry Department (ACD), Leibniz Institute for Tropospheric Research (TROPOS), Permoserstraße 15, 04318 Leipzig, Germany
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16
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Giammanco GE, Sosnofsky CT, Ostrowski AD. Light-responsive iron(III)-polysaccharide coordination hydrogels for controlled delivery. ACS APPLIED MATERIALS & INTERFACES 2015; 7:3068-3076. [PMID: 25591038 DOI: 10.1021/am506772x] [Citation(s) in RCA: 81] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Visible-light responsive gels were prepared from two plant-origin polyuronic acids (PUAs), alginate and pectate, coordinated to Fe(III) ions. Comparative quantitative studies of the photochemistry of these systems revealed unexpected differences in the photoreactivity of the materials, depending on the polysaccharide and its composition. The roles that different functional groups play on the photochemistry of these biomolecules were also examined. Mannuronic-rich alginates were more photoreactive than guluronic acid-rich alginate and than pectate. The microstructure of alginates with different mannuronate-to-guluronate ratios changed with polysaccharide composition. This influenced the gel morphology and the photoreactivity. Coordination hydrogel beads were prepared from both Fe-alginate and Fe-pectate. The beads were stable carriers of molecules as diverse as the dye Congo Red, the vitamin folic acid, and the antibiotic chloramphenicol. The photoreactivity of the hydrogel beads mirrored the photoreactivity of the polysaccharides in solution, where beads prepared with alginate released their cargo faster than beads prepared with pectate. These results indicate important structure-function relationships in these systems and create guidelines for the design of biocompatible polysaccharide-based materials where photoreactivity and controlled release can be tuned on the basis of the type of polysaccharide used and the metal coordination environment.
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Affiliation(s)
- Giuseppe E Giammanco
- Center for Photochemical Sciences and Department of Chemistry, Bowling Green State University , Bowling Green, Ohio 43403, United States
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17
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Pozdnyakov IP, Melnikov AA, Tkachenko N, Chekalin SV, Lemmetyinen H, Plyusnin VF. Ultrafast photophysical processes for Fe(iii)-carboxylates. Dalton Trans 2014; 43:17590-5. [DOI: 10.1039/c4dt01419g] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Recent works devoted to the investigation of ultrafast processes for several environmentally important Fe(iii) carboxylates were observed and discussed.
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Affiliation(s)
- Ivan P. Pozdnyakov
- Institute of Chemical Kinetics and Combustion
- Siberian Branch of Russian Academy of Sciences
- 630090 Novosibirsk, Russian Federation
- Novosibirsk State University
- 630090 Novosibirsk, Russian Federation
| | - Alexey A. Melnikov
- Institute of Spectroscopy
- Russian Academy of Sciences
- 142190 Troitsk, Russian Federation
| | - Nikolai Tkachenko
- Department of Chemistry and Bioengineering
- Tampere University of Technology
- Tampere, Finland
| | - Sergey V. Chekalin
- Institute of Spectroscopy
- Russian Academy of Sciences
- 142190 Troitsk, Russian Federation
| | - Helge Lemmetyinen
- Department of Chemistry and Bioengineering
- Tampere University of Technology
- Tampere, Finland
| | - Victor F. Plyusnin
- Institute of Chemical Kinetics and Combustion
- Siberian Branch of Russian Academy of Sciences
- 630090 Novosibirsk, Russian Federation
- Novosibirsk State University
- 630090 Novosibirsk, Russian Federation
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