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Liu J, Huang Y, Zhang G, Wang Q, Shen S, Liu D, Hong Y, Wyman I. Dialdehyde cellulose (DAC) and polyethyleneimine (PEI) coated polyvinylidene fluoride (PVDF) membrane for simultaneously removing emulsified oils and anionic dyes. J Hazard Mater 2024; 471:134341. [PMID: 38642496 DOI: 10.1016/j.jhazmat.2024.134341] [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] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 03/05/2024] [Accepted: 04/16/2024] [Indexed: 04/22/2024]
Abstract
Developing high-efficiency membrane for oil and dye removal is very urgent, because wastewater containing them can cause great damage to human and environment. In this study, a coated membrane was fabricated by applying DAC and PEI onto the commercial PVDF microfiltration membrane for supplying the demand. The coated membrane presents superhydrophlic and superoleophobic properties with a water contact angle of 0o and underwater oil contact angle exceed 150°, as well as excellent low underwater oil adhesion performance. The coated membrane shows high separation efficiency exceeded 99.0% and flux 350.0 L·m-2·h-1 when used for separating for six kinds of oil including pump oil, sunflower oil, n-hexadecane, soybean oil, diesel and kerosene in water emulsions. Additionally, the coated membrane can effectively remove anionic dyes, achieving rejection rates of 94.7%, 93.4%, 92.3%, 90.7% for the CR, MB, RB5, AR66, respectively. More importantly, the membrane was able to simultaneously remove emulsified oil and soluble anionic dyes in wastewater containing both of them. Therefore, this novel coated membrane can be a promising candidate for treating complex wastewater.
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Affiliation(s)
- Junliang Liu
- Center for Separation and Purification Materials & Technologies, Suzhou Key Laboratory of Separation and Purification Materials & Technologies, School of Environmental Science & Engineering, Suzhou University of Science and Technology, Suzhou 215009, PR China
| | - Yixuan Huang
- Center for Separation and Purification Materials & Technologies, Suzhou Key Laboratory of Separation and Purification Materials & Technologies, School of Environmental Science & Engineering, Suzhou University of Science and Technology, Suzhou 215009, PR China
| | - Ganwei Zhang
- Center for Separation and Purification Materials & Technologies, Suzhou Key Laboratory of Separation and Purification Materials & Technologies, School of Environmental Science & Engineering, Suzhou University of Science and Technology, Suzhou 215009, PR China.
| | - Qianhui Wang
- Center for Separation and Purification Materials & Technologies, Suzhou Key Laboratory of Separation and Purification Materials & Technologies, School of Environmental Science & Engineering, Suzhou University of Science and Technology, Suzhou 215009, PR China
| | - Shusu Shen
- Center for Separation and Purification Materials & Technologies, Suzhou Key Laboratory of Separation and Purification Materials & Technologies, School of Environmental Science & Engineering, Suzhou University of Science and Technology, Suzhou 215009, PR China
| | - Dapeng Liu
- Center for Separation and Purification Materials & Technologies, Suzhou Key Laboratory of Separation and Purification Materials & Technologies, School of Environmental Science & Engineering, Suzhou University of Science and Technology, Suzhou 215009, PR China
| | - Yaoliang Hong
- Center for Separation and Purification Materials & Technologies, Suzhou Key Laboratory of Separation and Purification Materials & Technologies, School of Environmental Science & Engineering, Suzhou University of Science and Technology, Suzhou 215009, PR China
| | - Ian Wyman
- Department of Chemistry, Queen's University, 90 Bader Lane, Kingston K7L 3N6, Canada
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Bajpai S, Nemade PR. Silane and fluorine free facile hydrophobicization of water hyacinth biomass for oil-water separations. Chemosphere 2024; 358:142164. [PMID: 38685326 DOI: 10.1016/j.chemosphere.2024.142164] [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] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 11/21/2023] [Accepted: 04/25/2024] [Indexed: 05/02/2024]
Abstract
As the adverse effects of using plastics and perfluorinated alkyl substances become more apparent, there is a growing need for sustainable hydrophobic products. Cellulose and its derivatives are the most abundant and widely used polymers, and cellulose-based products have great potential in industries where plastics and other hydrophobic polymers are used, such as stain-resistant fabrics, food packaging, and oil-water separation applications. In this study, we extracted cellulose from water hyacinth (WH) biomass, known for its negative environmental impact, and converted it into hydrophobic cellulose. This addresses the issue of managing WH waste and creating an environmentally friendly hydrophobic material. Initially, aldehyde groups were introduced through oxidation with periodate, followed by direct octadecyl amine (ODA) grafting onto dialdehyde cellulose (DAC) via a Schiff base condensation. The resulting ODA modified cellulose (ODA-C) was dispersed in ethanol and used to coat various materials, including cotton fabric, cellulose filter paper, and packaging paper. The modified materials showed excellent hydrophobicity as measured by their water contact angles (WCAs), and the application of the coating was demonstrated for oil-water separation, stain-resistant hydrophobic fabric, and paper-based packaging materials. FTIR, XRD, and WCA analysis confirmed the successful modification of cellulose. A high separation efficiency of 99% was achieved for diesel/water separation using modified filter paper (MoFP), under gravity. On application of the coating, cotton fabric became hydrophobic and resisted staining from dye, and paper-based packaging materials became more robust by becoming water-resistant. Overall, the facile synthesis, low cost, high efficiency, and use of environmentally friendly sustainable materials make this a promising strategy for hydrophobically modifying surfaces for a wide range of applications while reducing the menace of water hyacinth.
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Affiliation(s)
- Shruti Bajpai
- Institute of Chemical Technology Mumbai, Marathwada Campus, Jalna, 431 203, India
| | - Parag R Nemade
- Institute of Chemical Technology Mumbai, Marathwada Campus, Jalna, 431 203, India; Department of Chemical Engineering, Institute of Chemical Technology, Mumbai, 400 019, India.
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Káčerová S, Muchová M, Doudová H, Münster L, Hanulíková B, Valášková K, Kašpárková V, Kuřitka I, Humpolíček P, Víchová Z, Vašíček O, Vícha J. Chitosan/ dialdehyde cellulose hydrogels with covalently anchored polypyrrole: Novel conductive, antibacterial, antioxidant, immunomodulatory, and anti-inflammatory materials. Carbohydr Polym 2024; 327:121640. [PMID: 38171669 DOI: 10.1016/j.carbpol.2023.121640] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 11/07/2023] [Accepted: 11/23/2023] [Indexed: 01/05/2024]
Abstract
In this work, conductive composite hydrogels with covalently attached polypyrrole (PPy) nanoparticles are prepared. Hydrogels are based on partially re-acetylated chitosan soluble at physiological pH without any artificial structural modifications or need for an acidic environment, which simplifies synthesis and purification. Low-toxic and sustainable dialdehyde cellulose (DAC) was used for crosslinking chitosan and covalent anchoring of PPy colloidal particles. The condensation reaction between DAC and PPy is reported for the first time and improves not only the anchoring of PPy particles but also control over the properties of the final composite. The soluble chitosan and PPy particles are shown to act in synergy, which improves the biological properties of the materials. Prepared composite hydrogels are non-cytotoxic, non-irritating, antibacterial, can capture reactive oxygen species often related to excessive inflammation, have conductivity similar to human tissues, enhance in vitro cell growth (migration assay), and have immunomodulatory effects related to the stimulation of neutrophils and macrophages. The covalent attachment of PPy also strengthens the hydrogel network. The aldol condensation as a method for PPy covalent anchoring thus presents an interesting possibility for the development of advanced biomaterials in the future.
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Affiliation(s)
- Simona Káčerová
- Centre of Polymer Systems, Tomas Bata University in Zlín, tř. Tomáše Bati 5678, 760 01 Zlín, Czech Republic
| | - Monika Muchová
- Centre of Polymer Systems, Tomas Bata University in Zlín, tř. Tomáše Bati 5678, 760 01 Zlín, Czech Republic
| | - Hana Doudová
- Centre of Polymer Systems, Tomas Bata University in Zlín, tř. Tomáše Bati 5678, 760 01 Zlín, Czech Republic
| | - Lukáš Münster
- Centre of Polymer Systems, Tomas Bata University in Zlín, tř. Tomáše Bati 5678, 760 01 Zlín, Czech Republic
| | - Barbora Hanulíková
- Centre of Polymer Systems, Tomas Bata University in Zlín, tř. Tomáše Bati 5678, 760 01 Zlín, Czech Republic
| | - Kristýna Valášková
- Centre of Polymer Systems, Tomas Bata University in Zlín, tř. Tomáše Bati 5678, 760 01 Zlín, Czech Republic
| | - Věra Kašpárková
- Centre of Polymer Systems, Tomas Bata University in Zlín, tř. Tomáše Bati 5678, 760 01 Zlín, Czech Republic; Department of Fat, Surfactant and Cosmetics Technology, Faculty of Technology, Tomas Bata University in Zlín, nám. T. G. Masaryka 5555, 760 01 Zlín, Czech Republic
| | - Ivo Kuřitka
- Centre of Polymer Systems, Tomas Bata University in Zlín, tř. Tomáše Bati 5678, 760 01 Zlín, Czech Republic; Department of Chemistry, Faculty of Technology, Tomas Bata University in Zlín, Vavrečkova 5669, 760 01 Zlín, Czech Republic
| | - Petr Humpolíček
- Centre of Polymer Systems, Tomas Bata University in Zlín, tř. Tomáše Bati 5678, 760 01 Zlín, Czech Republic; Department of Fat, Surfactant and Cosmetics Technology, Faculty of Technology, Tomas Bata University in Zlín, nám. T. G. Masaryka 5555, 760 01 Zlín, Czech Republic
| | - Zdenka Víchová
- Centre of Polymer Systems, Tomas Bata University in Zlín, tř. Tomáše Bati 5678, 760 01 Zlín, Czech Republic.
| | - Ondřej Vašíček
- Institute of Biophysics of the Czech Academy of Sciences, Kralovopolská 135, 612 00 Brno, Czech Republic.
| | - Jan Vícha
- Centre of Polymer Systems, Tomas Bata University in Zlín, tř. Tomáše Bati 5678, 760 01 Zlín, Czech Republic.
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Důbravová A, Muchová M, Škoda D, Lovecká L, Šimoníková L, Kuřitka I, Vícha J, Münster L. Highly efficient affinity anchoring of gold nanoparticles on chitosan nanofibers via dialdehyde cellulose for reusable catalytic devices. Carbohydr Polym 2024; 323:121435. [PMID: 37940301 DOI: 10.1016/j.carbpol.2023.121435] [Citation(s) in RCA: 2] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 09/03/2023] [Accepted: 09/26/2023] [Indexed: 11/10/2023]
Abstract
Polysaccharides are often utilized as reducing and stabilizing agents and as support in the synthesis of gold nanoparticles (AuNPs). However, using approaches like spin coating or dip coating, AuNPs are generally bound to the support only by weak interactions, which can lead to decreased stability of the composite. Here, a two-stage approach for the preparation of composites with covalently anchored AuNPs is proposed. First, 5 nm AuNPs with high catalytic activity for the reduction of 4-nitrophenol (TOF = 15.8 min-1) were synthesized and stabilized using fully oxidized and solubilized 2,3-dialdehyde cellulose (DAC). Next, the carbonyl groups in the shell of prepared nanoparticles were used to tether AuNPs to chitosan nanofibers with quantitative efficacy in a process that we termed "affinity anchoring". Schiff bases formed during this process were subsequently reduced to secondary amines by borohydride, which greatly improved the stability of the composite in the broad pH range from 3 to 9. The catalytic efficacy of the resulting composite is demonstrated using a model catalytic device, showing high stability, fast conversion rates, and direct reusability.
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Affiliation(s)
- Alžběta Důbravová
- Centre of Polymer Systems, Tomas Bata University in Zlín, tř. Tomáše Bati 5678, 760 01 Zlín, Czech Republic
| | - Monika Muchová
- Centre of Polymer Systems, Tomas Bata University in Zlín, tř. Tomáše Bati 5678, 760 01 Zlín, Czech Republic
| | - David Škoda
- Centre of Polymer Systems, Tomas Bata University in Zlín, tř. Tomáše Bati 5678, 760 01 Zlín, Czech Republic
| | - Lenka Lovecká
- Centre of Polymer Systems, Tomas Bata University in Zlín, tř. Tomáše Bati 5678, 760 01 Zlín, Czech Republic
| | - Lucie Šimoníková
- Department of Chemistry, Faculty of Science, Masaryk University, Kotlarska 2, 611 37 Brno, Czech Republic
| | - Ivo Kuřitka
- Centre of Polymer Systems, Tomas Bata University in Zlín, tř. Tomáše Bati 5678, 760 01 Zlín, Czech Republic
| | - Jan Vícha
- Centre of Polymer Systems, Tomas Bata University in Zlín, tř. Tomáše Bati 5678, 760 01 Zlín, Czech Republic.
| | - Lukáš Münster
- Centre of Polymer Systems, Tomas Bata University in Zlín, tř. Tomáše Bati 5678, 760 01 Zlín, Czech Republic.
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Tohamy HAS, Taha G, Sultan M. Dialdehyde cellulose/gelatin hydrogel as a packaging material for manganese oxides adsorbents for wastewater remediation: Characterization and performance evaluation. Int J Biol Macromol 2023; 248:125931. [PMID: 37481186 DOI: 10.1016/j.ijbiomac.2023.125931] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 07/13/2023] [Accepted: 07/19/2023] [Indexed: 07/24/2023]
Abstract
The dialdehyde cellulose (DC) was used to synthesize gelatin-cellulose dialdehyde by Schiff base as a packaging material to manganese oxides nanoparticles adsorbents (Mn oxides@DC/Gel) for wastewater remediation and support the antimicrobial behavior of gelatin and DC. The crystallinity index% of microwave-synthesized DC prepared from cellulose II decreased from 43.18% to 34.11% and its oxidation degree was 143.77%. The greenly-produced Mn oxides were studied by XRD and TEM. XRD verified the presence of two different phases of α-MnO2 and α-Mn2O3 in the form of nanorods and nanocubes. Mn oxides@DC/Gel was investigated by FT-IR, XRD, XPS, SEM, swelling absorptivity, and thermal analysis. The optimal swelling ratio% of Mn oxides@DC/Gel nanocomposite was 1494.04±16.65%. The influence of pH on swelling ratios verified the instability of the imine group in acid and basic media. Mn oxides@DC/Gel nanocomposite hydrogel causes approximately two-fold greater inhibitory zones than gentamicin. The optimal adsorption conditions were adsorbent dose (0.05g), pH (9.0), contact time (120 min), and methylene blue dye concentration (30mg/L). The maximum adsorption capacity of Mn oxides@DC/Gel nanocomposite was 51.06±1.0 mg/g. The adsorption by Mn oxides@DC/Gel nanocomposite agrees with Langmuir, Redlich-Peterson, and Freundlich mechanisms.
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Affiliation(s)
- Hebat-Allah S Tohamy
- Cellulose and Paper Department, National Research Centre, 33 El Bohouth St. (former El Tahrir st.), Dokki, Giza, P.O. 12622, Egypt
| | - Ghada Taha
- Pre-treatment and Finishing of Cellulose-based Textiles Department, National Research Centre, 33 El Bohouth St. (former El Tahrir st.), Dokki, Giza, P.O. 12622, Egypt.
| | - Maha Sultan
- Packaging Materials Department, National Research Centre, 33 El Bohouth St. (former El Tahrir st.), Dokki, Giza, P.O. 12622, Egypt
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Simon J, Fliri L, Drexler F, Bacher M, Sapkota J, Ristolainen M, Hummel M, Potthast A, Rosenau T. Debugging periodate oxidation of cellulose: Why following the common protocol of quenching excess periodate with glycol is a bad idea. Carbohydr Polym 2023; 310:120691. [PMID: 36925234 DOI: 10.1016/j.carbpol.2023.120691] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 01/31/2023] [Accepted: 02/07/2023] [Indexed: 02/19/2023]
Abstract
Periodate oxidation of cellulose to produce "dialdehyde cellulose" (DAC) has lately received increasing attention in sustainable materials development. Despite the longstanding research interest and numerous reported studies, there is still an enormous variation in the proposed preparation and work-up protocols. This apparently reduces comparability and causes reproducibility problems in DAC research. Two simple but prevalent work-up protocols, namely glycol quenching and filtration/washing, were critically examined and compared, resulting in this cautionary note. Various analytical techniques were applied to quantify residual iodine species and organic contaminations from quenching side reactions. The commonly practiced glycol addition cannot remove all oxidising iodine compounds. Both glycol and the formed formaldehyde are incorporated into DAC's polymeric structure. Quenching of excess periodate with glycol can thus clearly be discouraged. Instead, simple washing protocols are recommended which do not bear the risk of side reactions with organic contaminants. While simple washing was sufficient for mildly oxidised celluloses, higher oxidised samples were more likely to trap residual (per)iodate, as determined by thiosulfate titration. For work-up, simple washing with water is proposed while determining potential iodine contaminations after washing with a simple colorimetric test and, if needed, removal of residual periodate by washing with an aqueous sodium thiosulfate solution.
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Verma NK, Raghav N. In-silico identification of lysine residue for lysozyme immobilization on dialdehyde cellulose. Int J Biol Macromol 2023:125367. [PMID: 37327935 DOI: 10.1016/j.ijbiomac.2023.125367] [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: 01/24/2023] [Revised: 06/07/2023] [Accepted: 06/11/2023] [Indexed: 06/18/2023]
Abstract
In the realm of enzymes, the Enzyme Immobilization technique can be extremely beneficial. More research into computational approaches could lead to a better understanding as well as lead us in the direction of a more environmentally friendly and greener path. In this study, molecular modelling techniques were used to collect information regarding the immobilization of Lysozyme (EC 3.2.1.17) on Dialdehyde Cellulose (CDA). Lysine, being the most nucleophilic, is most likely to interact with dialdehyde cellulose. Enzyme substrate interactions have been studied with and without the refinement of modified lysozyme molecules. A total of six CDA-modified lysine residues were selected for the study. The docking process for all modified lysozymes was carried out using four distinct docking programs: Autodock Vina, GOLD, Swissdock, and iGemdock. The binding affinity (-7.8 & -8.0 kcal mol-1 in case of non-refinement and -4.7 & -5.0 kcal mol-1 in case of refinement), calculated from Autodock vina, as well as the interaction similarity of Lys116 immobilized lysozyme with its substrate, were found to be 75 % (W/o simulation) & 66.7 % (With simulation) identical with the reference case (unmodified lysozyme) if Lys116 is bound to Dialdehyde Cellulose. The approach described here is utilized to identify amino acid residues that are used in the immobilization of lysozyme.
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Affiliation(s)
- Nitin Kumar Verma
- Chemistry Department, Kurukshetra University, Kurukshetra 136119, Haryana, India
| | - Neera Raghav
- Chemistry Department, Kurukshetra University, Kurukshetra 136119, Haryana, India.
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Wang X, Meng Z, Tian X, Kou J, Xu K, Wang Z, Yang Y. A novel coumarin derivative-grafted dialdehyde cellulose-based fluorescent sensor for selective and sensitive detection of Fe 3. Spectrochim Acta A Mol Biomol Spectrosc 2023; 292:122378. [PMID: 36716602 DOI: 10.1016/j.saa.2023.122378] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 12/27/2022] [Accepted: 01/13/2023] [Indexed: 06/18/2023]
Abstract
A new fluorescent probe DAC-NCH with specific response to Fe3+ was synthesized via condensation reaction between dialdehyde cellulose and coumarin derivative. This probe exhibited a significant "turn-off" fluorescence response to Fe3+, accompanied by the fluorescence color change from bright pink to colorless. DAC-NCH was highly selective for Fe3+ and could achieve detection within a short time (<3 min). The detection limit of DAC-NCH for Fe3+ was determined to be as low as 91.7 nM. The complexation mechanism of DAC-NCH with Fe3+ was confirmed by Job's plot, FTIR analysis, 1H NMR titration, and density functional theory (DFT) calculations. In addition, DAC-NCH could be used for the determination of Fe3+ in actual water samples, and DAC-NCH-embedded fluorescent membrane was able to serve as a reliable platform for the detection of Fe3+.
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Affiliation(s)
- Xiaoyuan Wang
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Light Industry and Food, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Zhiyuan Meng
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Light Industry and Food, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Xuechun Tian
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Light Industry and Food, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Jiali Kou
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Light Industry and Food, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Kai Xu
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Light Industry and Food, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Zhonglong Wang
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Light Industry and Food, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China.
| | - Yiqin Yang
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Light Industry and Food, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China.
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Simon J, Tsetsgee O, Iqbal NA, Sapkota J, Ristolainen M, Rosenau T, Potthast A. A fast method to measure the degree of oxidation of dialdehyde celluloses using multivariate calibration and infrared spectroscopy. Carbohydr Polym 2022; 278:118887. [PMID: 34973725 DOI: 10.1016/j.carbpol.2021.118887] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 11/09/2021] [Accepted: 11/09/2021] [Indexed: 12/31/2022]
Abstract
The properties of dialdehyde celluloses, which are usually generated by periodate oxidation, are highly dependent on the aldehyde content, i.e. the degree of oxidation (DO). Thus far, the established methods for determining the DO in dialdehyde celluloses lack simplicity or sufficient speed. More than 60 dialdehyde cellulose samples with varying aldehyde content were analysed by near-infrared and Fourier-transform infrared spectroscopy. This was found to be a reliable method for quickly predicting the DO if combined with partial least squares regression (PLSR). The proposed PLSR models can predict the DO with a high determination coefficient (R2) of 99% when applied to a single pulp type and 94% when applied to multiple types. This new approach quickly and reliably determines the DO of dialdehyde celluloses. It can be easily implemented in everyday research to save money, time and resources, especially because the raw datasets and measured DO values are provided.
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Mayer S, Tallawi M, De Luca I, Calarco A, Reinhardt N, Gray LA, Drechsler K, Moeini A, Germann N. Antimicrobial and physicochemical characterization of 2,3- dialdehyde cellulose-based wound dressings systems. Carbohydr Polym 2021; 272:118506. [PMID: 34420752 DOI: 10.1016/j.carbpol.2021.118506] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [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: 04/19/2021] [Revised: 06/18/2021] [Accepted: 07/26/2021] [Indexed: 01/13/2023]
Abstract
Biobased and biodegradable films were prepared by physically mixing 2,3-dialdehyde cellulose (DAC) with two other biopolymers, zein and gelatin, in three different proportions. The antimicrobial activities of the composite blends against Gram-positive and Gram-negative bacteria increase with the increase of DAC content. Cell viability tests on mammalian cells showed that the materials were not cytotoxic. In addition, DAC and gelatin were able to promote thermal degradation of the blends. However, DAC increased the stiffness and decreased the glass transition temperature of the blends, while gelatin was able to decrease the stiffness of the film. Morphological analysis showed the effect of DAC on the surface smoothness of the blends. The contact angle confirmed that all blends were within the range of hydrophilic materials. Although all the blends showed impressive performance for wound dressing application, the blend with gelatin might be more suitable for this purpose due to its better mechanical performance and antibacterial activity.
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Affiliation(s)
- Sophie Mayer
- Fluid Dynamics of Complex Biosystems, School of Life Sciences Weihenstephan, Technical University of Munich, 85354 Freising, Germany
| | - Marwa Tallawi
- Fluid Dynamics of Complex Biosystems, School of Life Sciences Weihenstephan, Technical University of Munich, 85354 Freising, Germany
| | - Ilenia De Luca
- Research Institute on Terrestrial Ecosystems (IRET), CNR, Via Pietro Castellino 111, 80131 Naples, Italy
| | - Anna Calarco
- Research Institute on Terrestrial Ecosystems (IRET), CNR, Via Pietro Castellino 111, 80131 Naples, Italy
| | - Nikita Reinhardt
- Chair of Carbon Composites, Department of Aerospace and Geodesy, Technical University of Munich, 85478 Garching, Germany
| | - Luciano Avila Gray
- Chair of Carbon Composites, Department of Aerospace and Geodesy, Technical University of Munich, 85478 Garching, Germany
| | - Klaus Drechsler
- Chair of Carbon Composites, Department of Aerospace and Geodesy, Technical University of Munich, 85478 Garching, Germany
| | - Arash Moeini
- Fluid Dynamics of Complex Biosystems, School of Life Sciences Weihenstephan, Technical University of Munich, 85354 Freising, Germany
| | - Natalie Germann
- Fluid Dynamics of Complex Biosystems, School of Life Sciences Weihenstephan, Technical University of Munich, 85354 Freising, Germany.
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Guo H, Lei B, Yu J, Chen Y, Qian J. Immobilization of lipase by dialdehyde cellulose crosslinked magnetic nanoparticles. Int J Biol Macromol 2021; 185:287-296. [PMID: 34153359 DOI: 10.1016/j.ijbiomac.2021.06.073] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 06/08/2021] [Accepted: 06/10/2021] [Indexed: 01/04/2023]
Abstract
Cellulose microcrystalline (MCC) was widely used in pharmaceutical and chemical industries because of its low degree of polymerization and large specific surface area. As its modified form, dialdehyde cellulose (DAC) was used for cross-linking and immobilizing Rhizopus lipase together with magnetic nanoparticles (MNPs) due to its active aldehyde groups. In this study, in order to maintain the original enzyme activity as much as possible and improve the stability of lipase, the Rhizopus lipase was successfully immobilized on the magnetic dialdehyde cellulose nanoparticles (MDC). Specifically, the immobilization conditions including dosage of DAC, concentration of enzyme, immobilization time and temperature together with pH value of the reaction medium were optimized. Maximum immobilization yield (60.03 ± 0.49%) and recovery activity (88.88 ± 0.61%) can be obtained under the optimal process conditions. The changes in secondary structures of immobilized enzyme revealed the increment in conformational rigidity, which can be reflected in temperature and pH stability as well as tolerance of organic reagents. Additionally, the recovery activity of immobilized enzyme still reached 50.60 ± 0.59% after 30 d of storage and 52.10 ± 0.57% retained after 6 cycles. These results indicated the ideal application prospect of MDC in immobilized enzymes.
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Affiliation(s)
- Hui Guo
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, 310014, PR China.
| | - Bingshuang Lei
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, 310014, PR China
| | - Jianwei Yu
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, 310014, PR China
| | - Yunfei Chen
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, 310014, PR China
| | - Junqing Qian
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, 310014, PR China
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12
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Wei X, Ding S, Liu S, Yang K, Cai J, Li F, Wang C, Lin S, Tian F. Polysaccharides-modified chitosan as improved and rapid hemostasis foam sponges. Carbohydr Polym 2021; 264:118028. [PMID: 33910719 DOI: 10.1016/j.carbpol.2021.118028] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 03/30/2021] [Accepted: 03/30/2021] [Indexed: 01/14/2023]
Abstract
Serial hemostatic sponges consisting of polysaccharides-modified chitosan foam sponges were prepared by Schiff base crosslinking reaction between the deacetylated chitosan and oxidized dialdehyde cellulose. Such composite foam sponges were characterized by scanning electron microscopy and Fourier-transform infrared spectroscopy to confirm their morphology and compositions. Then the coagulation process was evaluated in vitro by thrombus elasticity meters. Furthermore, the hemostasis experiments on mouse tail vein and rabbit femoral artery were also performed in vivo. The results strongly indicated that such synergistic cellulose-modified chitosan foam sponges showed comprehensively excellent water-absorbing quality, improved mechanical performance, low hemolysis rates, benign cytotoxicity, good resilience ability after repeated compression, and superior hemostasis capability both in vitro and in vivo. Furthermore, the hemostatic mechanism is via adhering/activating the red blood cell/platelet to form robust blood clots through the endogenous coagulation pathway, which serves as a good candidate for emergency trauma treatment in daily civilian and military hemostasis.
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13
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Muchová M, Münster L, Capáková Z, Mikulcová V, Kuřitka I, Vícha J. Design of dialdehyde cellulose crosslinked poly(vinyl alcohol) hydrogels for transdermal drug delivery and wound dressings. Mater Sci Eng C Mater Biol Appl 2020; 116:111242. [PMID: 32806291 DOI: 10.1016/j.msec.2020.111242] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Revised: 06/18/2020] [Accepted: 06/24/2020] [Indexed: 01/01/2023]
Abstract
2,3-Dialdehyde cellulose (DAC) was used as an efficient and low-toxicity crosslinker to prepare thin PVA/DAC hydrogel films designed for topical applications such as drug-loaded patches, wound dressings or cosmetic products. An optimization of hydrogel properties was achieved by the variation of two factors - the amount of crosslinker and the weight-average molecular weight (Mw) of the source PVA. The role of each factor to network parameters, mechanical, rheological and surface properties, hydrogel porosity and transdermal absorption is discussed. The best results were obtained for hydrogel films prepared using 0.25 wt% of DAC and PVA with Mw = 130 kDa, which had a high porosity and drug-loading capacity (high water content), mechanical properties allowing easy handling, best adherence to the skin from all tested samples and improved transdermal drug-delivery. Hydrogel films are biocompatible, show no cytotoxicity and have no negative impact on cell growth and morphology in their presence. Furthermore, hydrogels do not support cell migration and attachment to their surface, which should ensure easy removal of hydrogel patches even from wounded or damaged skin after use.
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Affiliation(s)
- Monika Muchová
- Centre of Polymer Systems, Tomas Bata University in Zlín, tř. Tomáše Bati 5678, 760 01 Zlín, Czech Republic
| | - Lukáš Münster
- Centre of Polymer Systems, Tomas Bata University in Zlín, tř. Tomáše Bati 5678, 760 01 Zlín, Czech Republic
| | - Zdenka Capáková
- Centre of Polymer Systems, Tomas Bata University in Zlín, tř. Tomáše Bati 5678, 760 01 Zlín, Czech Republic
| | - Veronika Mikulcová
- Centre of Polymer Systems, Tomas Bata University in Zlín, tř. Tomáše Bati 5678, 760 01 Zlín, Czech Republic
| | - Ivo Kuřitka
- Centre of Polymer Systems, Tomas Bata University in Zlín, tř. Tomáše Bati 5678, 760 01 Zlín, Czech Republic
| | - Jan Vícha
- Centre of Polymer Systems, Tomas Bata University in Zlín, tř. Tomáše Bati 5678, 760 01 Zlín, Czech Republic.
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14
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Gao J, Luo G, Li Z, Li H, Zhao L, Qiu H. A new strategy for the preparation of mixed-mode chromatographic stationary phases based on modified dialdehyde cellulose. J Chromatogr A 2020; 1618:460885. [PMID: 31964512 DOI: 10.1016/j.chroma.2020.460885] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [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: 11/25/2019] [Revised: 01/12/2020] [Accepted: 01/12/2020] [Indexed: 11/25/2022]
Abstract
A new strategy for the preparation of mixed-mode chromatographic stationary phases based on modified dialdehyde cellulose was proposed. Two novel mixed-mode chromatographic stationary phases, dicarboxyl cellulose-modified silica (DCC/SiO2) and (S)-α-phenylethylamine-bonded DCC/SiO2 ((S)-α-PEA/DCC/SiO2), were prepared by utilizing the easy functionalization characteristics of dialdehyde cellulose. The chromatographic evaluation showed that DCC/SiO2 column could be used in hydrophilic interaction liquid chromatography (HILIC) and ion exchange chromatography (IEC) modes, (S)-α-PEA/DCC/SiO2 column could be used in HILIC, IEC and chiral separation modes. The DCC/SiO2 column and (S)-α-PEA/DCC/SiO2 column exhibited excellent chromatographic performance by separating strongly polar compounds, phenylamines and chiral compounds in the above separation modes. The preparation method of modified dialdehyde cellulose-based mixed-mode chromatographic stationary phases was simple, and also provided a new idea for the development of the subsequent novel mixed-mode chromatographic stationary phases.
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Affiliation(s)
- Jie Gao
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Guoying Luo
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Zhan Li
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Hui Li
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China.
| | - Liang Zhao
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China.
| | - Hongdeng Qiu
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
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