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Huang Y, Kang H, Wang Y, Liu K, Wei W, Dai H. One Stone Three Birds: Silver Sulfadiazine Modulates the Stability and Dynamics of Hydrogels for Infected Wound Healing. Adv Healthc Mater 2024; 13:e2400242. [PMID: 38513263 DOI: 10.1002/adhm.202400242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 03/18/2024] [Indexed: 03/23/2024]
Abstract
Dynamic covalent bond hydrogels have demonstrated significant application potential in biomedical fields for their dynamic reversibility. However, the contradiction between the stability and dynamics of the hydrogel restricts its application. Here, utilizing silver sulfadiazine (AgSD) as a catalyst, hyaluronic acid-based hydrogels are constructed through imine bond crosslinking and incorporated disulfide bonds within the same crosslinking chain. It is found that AgSD can accelerate the formation of imine crosslinking bonds to improve the stability of hydrogels, thereby shortening the gelation time by ≈36.9 times, enhancing compression strength and adhesion strength by ≈2.4 times and 1.7 times, respectively, while inhibiting swelling and degradation rates to ≈2.1 times and 3.7 times. Besides, AgSD can coordinate with disulfide bonds to enhance the dynamics of hydrogel, enhancing the hydrogel self-healing efficiency by ≈2.3 times while reducing the relaxation time by ≈25.1 times. Significantly, AgSD imparts remarkable antibacterial properties to the hydrogel, thereby effectively facilitating the healing of bacterial infected wounds. Consequently, introducing AgSD enables hydrogels to possess concurrent stability, dynamics, and antibacterial properties. This strategy of regulating hydrogels by introducing AgSD provides a valuable reference for the application of dynamic covalent bonds.
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Affiliation(s)
- Ye Huang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan, 430070, China
| | - Haifei Kang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan, 430070, China
| | - Yue Wang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan, 430070, China
| | - Kun Liu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan, 430070, China
| | - Wenying Wei
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan, 430070, China
| | - Honglian Dai
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan, 430070, China
- National Energy Key Laboratory for New Hydrogen-ammonia Energy Technologies, Foshan Xianhu Laboratory, Foshan, 528200, China
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Yuan J, Ma Y, Yu F, Sun Y, Dai X, Ma J. Simultaneous in situ nutrient recovery and sustainable wastewater purification based on metal anion- and cation-targeted selective adsorbents. JOURNAL OF HAZARDOUS MATERIALS 2020; 382:121039. [PMID: 31499369 DOI: 10.1016/j.jhazmat.2019.121039] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 08/16/2019] [Accepted: 08/18/2019] [Indexed: 06/10/2023]
Abstract
The recovery of nitrogen (N) and phosphorus (P) from wastewater is of great importance in addressing the global nutrient crisis. The limitations of existing methods require the development of effective technology. Here, two different hydrogel adsorbents were fabricated with good separation ability for metal cation (M+) and metal anion (M-) but showed little removal of nutrients. Based on the materials, a novel three-stage operation system combining adsorption and capacitive deionization (CDI) technology was presented for nutrient recovery and wastewater treatment. In the first two stages, mixed metals in wastewater were successfully separated (Cu2+: 144.6 mg/g; Cr2O72-: 167.0 mg/g), and nutrients were retained (N and P < 1 mg/g). In the third stage, the residual trace metal ions in the solution were removed (2.0 mg/L to N/A), and the nutrients were enriched through electroadsorption and desorption processes by CDI. Plants using recovered liquid fertilizers revealed similar values for height, root length, and chlorophyll compared with those obtained using actual fertilizers. The results indicated that this novel three-stage operation system (3S A-C system) combining adsorption and CDI is efficient in recovering liquid fertilizers from wastewater and is a promising technology for simultaneously addressing nutrient crises and environmental pollution.
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Affiliation(s)
- Jianhua Yuan
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, PR China; State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, PR China; Research Center for Environmental Functional Materials, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, PR China
| | - Yao Ma
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, PR China
| | - Fei Yu
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, PR China
| | - Yiran Sun
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, PR China
| | - Xiaohu Dai
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, PR China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, PR China
| | - Jie Ma
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, PR China; Research Center for Environmental Functional Materials, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, PR China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, PR China.
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Comparative Study on the Corrosion Inhibitive Effect of 2-Mecraptobenzothiazole and Na2HPO4 on Industrial Conveying API 5L X42 Pipeline Steel. APPLIED SCIENCES-BASEL 2019. [DOI: 10.3390/app10010290] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Mild or low-carbon steel has an increasing utilization and is widely used for building construction, machinery parts, and pipelines, because it can be machined easily and has enhanced weldability as well as a low price. In any case, the corrosion resistance of mild steel under the conditions in industrial applications or in atmosphere is a thoughtful concern. This study inquires into the application of 2-mecraptobenzothiazole (MBT) and Na2HPO4 as corrosion inhibitors for the protection of API 5L X42 pipeline steel in 3.5 wt % NaCl as well as in water from the Athens city supply system. The electrochemical/morphological characterizations of the aforementioned mild steel proved that the corrosion protection mechanisms can be assigned to the protective layers created onto the metal surface because of the presence of the inhibitors, which prevent chloride’s penetration. The synergistic effect of the MBT and Na2HPO4 corrosion inhibition behavior, in a molar ratio of 1:1, revealed that the additives performed effectively with corrosion inhibition efficiency above 90%.
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Zhang Y, Zhao S, Zheng J, He L. Surface-enhanced Raman spectroscopy (SERS) combined techniques for high-performance detection and characterization. Trends Analyt Chem 2017. [DOI: 10.1016/j.trac.2017.02.006] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Finoto S, Machulek A, Caires ARL, de Arruda EJ, Casagrande GA, Raminelli C, Andrade L, Lima S. New metalorgano-chalcogenide compounds based on polymeric frameworks constructed by Se–Hg intermolecular interactions: Preparation, structural characterization, and Raman evaluation. Polyhedron 2015. [DOI: 10.1016/j.poly.2015.07.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Romashov LV, Ananikov VP. Self-assembled selenium monolayers: from nanotechnology to materials science and adaptive catalysis. Chemistry 2013; 19:17640-60. [PMID: 24288138 DOI: 10.1002/chem.201302115] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Self-assembled monolayers (SAMs) of selenium have emerged into a rapidly developing field of nanotechnology with several promising opportunities in materials chemistry and catalysis. Comparison between sulfur-based self-assembled monolayers and newly developed selenium-based monolayers reveal outstanding complimentary features on surface chemistry and highlighted the key role of the headgroup element. Diverse structural properties and reactivity of organosulfur and organoselenium groups on the surface provide flexible frameworks to create new generations of materials and adaptive catalysts with unprecedented selectivity. Important practical utility of adaptive catalytic systems deals with development of sustainable technologies and industrial processes based on natural resources. Independent development of nanotechnology, materials science and catalysis has led to the discovery of common fundamental principles of the surface chemistry of chalcogen compounds.
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Affiliation(s)
- Leonid V Romashov
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991 (Russia)
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Sreeprasad TS, Samal AK, Pradeep T. One-, two-, and three-dimensional superstructures of gold nanorods induced by dimercaptosuccinic acid. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2008; 24:4589-4599. [PMID: 18393485 DOI: 10.1021/la703523s] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
A method is described for assembling gold nanorods into one-, two-, and three-dimensional superstructures. The addition of dimercaptosuccinic acid (DMSA) into the nanorod solution was found to induce self-assembly of the latter to one-dimensional "tapelike", two-dimensional "sheetlike" and three-dimensional "superlattice-like" structures depending on the DMSA concentration. The assembly was found to follow a smectic structure, where the nanorod long axes are parallel to each other. The rods are spaced 8.5 +/- 0.3 nm apart in the resulting structures, which extend over several micrometers in length. Organizations perpendicular to the grid were also found. The nanorod tapes were found to bend, and they form circular assemblies as well. The assembly and morphology of the nanorod structures were characterized by transmission electron microscopy and UV-vis spectroscopy. The effect of the DMSA concentration as well as the pH of the medium was also studied. On the basis of several control experiments utilizing similar molecules, charge neutralization of the nanorods by the carboxylic group of DMSA was found to be the principal reason for such an assembly, while the mercapto groups render additional stability to its structure. A mechanistic model of the assembly is proposed. This type of assembly would plausibly function as a plasmonic waveguide in potential nanodevices.
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Affiliation(s)
- T S Sreeprasad
- DST Unit on Nanoscience, Department of Chemistry and Sophisticated Analytical Instrument Facility, Indian Institute of Technology Madras, Chennai-600 036, India
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Giorgetti E, Muniz-Miranda M, Margheri G, Giusti A, Sottini S, Alloisio M, Cuniberti C, Dellepiane G. UV polymerization of self-assembled monolayers of a novel diacetylene on silver: a spectroscopic analysis by surface plasmon resonance and surface enhanced Raman scattering. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2006; 22:1129-34. [PMID: 16430275 DOI: 10.1021/la0514157] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
UV polymerization of self-assembled monolayers of a novel carbazolyl-diacetylene (CDS9) chemisorbed on silver films was demonstrated by surface plasmon resonance (SPR) and surface enhanced Raman scattering (SERS) experiments. SPR tests performed during UV exposure permitted one to observe the growth of the absorption coefficient, associated with the formation of the polymeric backbone. The Raman spectra of polymerized monolayers exhibited the bands associated with the C=C stretching modes of the conjugated backbone, typical of the blue and red polymeric phases usually present in polydiacetylenes, with a clear predominance of the red form. Moreover, the strong surface enhancement of the Raman band corresponding to the aromatic C=C stretching modes suggested that carbazolyl groups arrange nearly perpendicularly to the metal surface. In contrast, the absence of a SERS signal in the region of conjugated C[triple bond]C bond stretchings confirmed a polymerization scheme with conjugated triple bonds nearly parallel to the plane of the metal.
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Affiliation(s)
- Emilia Giorgetti
- INSTM and Istituto dei Sistemi Complessi-CNR, Via Panciatichi 64, 50127 Firenze, Italy
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Ganesh V, Lakshminarayanan V. Scanning Tunneling Microscopy, Fourier Transform Infrared Spectroscopy, and Electrochemical Characterization of 2-Naphthalenethiol Self-Assembled Monolayers on the Au Surface: A Study of Bridge-Mediated Electron Transfer in Ru(NH3)62+|Ru(NH3)63+ Redox Reactions. J Phys Chem B 2005; 109:16372-81. [PMID: 16853081 DOI: 10.1021/jp052489u] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We have studied the structure, adsorption kinetics, and barrier properties of self-assembled monolayers of 2-naphthalenethiol on Au using electrochemical techniques, grazing-angle Fourier transform infrared (FTIR) spectroscopy, and scanning tunneling microscopy (STM). The results of cyclic voltammetric and impedance measurements using redox probes show that 2-naphthalenethiol on Au forms a stable and reproducible, but moderately blocking, monolayer. Annealing of the self-assembled monolayer (SAM)-modified surface at 72 +/- 2 degrees C remarkably improves the blocking property of the monolayer of 2-naphthalenethiol on Au. From the study of kinetics of SAM formation, we find that the self-assembly follows Langmuir adsorption isotherm. Our STM and FTIR results show that the molecules are adsorbed with the naphthalene ring tilted from the surface normal by forming a square root 3 x 3 R30 degrees overlayer structure. From our studies, we conclude that the electron-transfer reaction of ferro/ferricyanide in the freshly formed monolayer occurs predominantly through the pinholes and defects present in the monolayer. However, in the case of thermally annealed specimen, although the ferro/ferricyanide reaction is almost completely blocked, the electron-transfer reaction of hexaammineruthenium(III) chloride is not significantly inhibited. It is proposed that the electron-transfer reaction in the case of the ruthenium redox couple takes place by a tunneling mechanism through the high-electron-density aromatic naphthalene ring acting as a bridge between the monolayer-modified electrode and the ruthenium complex.
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Affiliation(s)
- V Ganesh
- Raman Research Institute, C. V. Raman Avenue, Sadashivanagar, Bangalore 560080, India
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Monnell JD, Stapleton JJ, Jackiw JJ, Dunbar T, Reinerth WA, Dirk SM, Tour JM, Allara DL, Weiss PS. Ordered Local Domain Structures of Decaneselenolate and Dodecaneselenolate Monolayers on Au{111}. J Phys Chem B 2004. [DOI: 10.1021/jp037728x] [Citation(s) in RCA: 71] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jason D. Monnell
- Departments of Chemistry, Physics, and Materials Science, 104 Davey Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802-6300, and Department of Chemistry and Center for Nanoscale Science and Technology, Rice University, Houston, Texas 77005
| | - Joshua J. Stapleton
- Departments of Chemistry, Physics, and Materials Science, 104 Davey Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802-6300, and Department of Chemistry and Center for Nanoscale Science and Technology, Rice University, Houston, Texas 77005
| | - Jennifer J. Jackiw
- Departments of Chemistry, Physics, and Materials Science, 104 Davey Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802-6300, and Department of Chemistry and Center for Nanoscale Science and Technology, Rice University, Houston, Texas 77005
| | - Tim Dunbar
- Departments of Chemistry, Physics, and Materials Science, 104 Davey Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802-6300, and Department of Chemistry and Center for Nanoscale Science and Technology, Rice University, Houston, Texas 77005
| | - William A. Reinerth
- Departments of Chemistry, Physics, and Materials Science, 104 Davey Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802-6300, and Department of Chemistry and Center for Nanoscale Science and Technology, Rice University, Houston, Texas 77005
| | - Shawn M. Dirk
- Departments of Chemistry, Physics, and Materials Science, 104 Davey Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802-6300, and Department of Chemistry and Center for Nanoscale Science and Technology, Rice University, Houston, Texas 77005
| | - James M. Tour
- Departments of Chemistry, Physics, and Materials Science, 104 Davey Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802-6300, and Department of Chemistry and Center for Nanoscale Science and Technology, Rice University, Houston, Texas 77005
| | - David L. Allara
- Departments of Chemistry, Physics, and Materials Science, 104 Davey Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802-6300, and Department of Chemistry and Center for Nanoscale Science and Technology, Rice University, Houston, Texas 77005
| | - Paul S. Weiss
- Departments of Chemistry, Physics, and Materials Science, 104 Davey Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802-6300, and Department of Chemistry and Center for Nanoscale Science and Technology, Rice University, Houston, Texas 77005
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Resmi MR, Pradeep T. A Versatile and Simple Method for the Preparation of Substrates for Surface-Enhanced Infrared Spectroscopy of Monolayers. JOURNAL OF MOLECULAR SPECTROSCOPY 2000; 202:303-305. [PMID: 10877961 DOI: 10.1006/jmsp.2000.8110] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Affiliation(s)
- MR Resmi
- Department of Chemistry, Indian Institute of Technology, Madras, 600 036, India
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