1
|
Liu J, Zhang Z, Deng Y, Chen G. Effect of extraction method on the structure and bioactivity of polysaccharides from activated sludge. WATER RESEARCH 2024; 253:121196. [PMID: 38394931 DOI: 10.1016/j.watres.2024.121196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Revised: 01/09/2024] [Accepted: 01/23/2024] [Indexed: 02/25/2024]
Abstract
Resource recovery is a pivotal facet of waste activated sludge treatment, particularly within the framework of carbon neutrality and the circular economy. Polysaccharides are emerging as a valuable resource from waste activated sludge, and the choice of extraction method affects the properties of the polysaccharides, which is of utmost importance for subsequent application. This investigation examined the effects of six extraction methods (i.e., acidic, alkaline, ultrasonication, hot-water, microwave, and electric treatments) on the yield, chemical composition, structural characteristics, and bioactivities of polysaccharides extracted from sludge. For each extraction method, two operational parameters, namely the treatment time and strength (e.g., the acid and alkali concentration), were initially optimized in terms of the polysaccharide yield. The polysaccharide yield varied from 1.03 ± 0.12 % to 5.34 ± 0.10 % adopting the extraction methods under optimized conditions, and the alkaline extraction method had the highest yield of polysaccharides with a treatment time of 120 min and NaOH concentration of 1 %. At least one polysaccharide fraction was successfully purified from the crude polysaccharide of each extraction method. The compositions and structures of these fractions, including carbohydrate, protein, sulfate, uronic acid contents, and monosaccharide compositions, were determined. Carbohydrate was the dominant component, with the hot-water-2 fraction having the highest carbohydrate content (77.90 % ± 2.02 %). Monosaccharides in the polysaccharides were measured, with mannose, rhamnose, glucose, and xylose being found in all fractions, whereas ribose was exclusively found in the acid-1 fraction. The molecular weights of these fractions ranged between 1.60 × 104 Da and 7.11 × 106 Da. Furthermore, the bioactivities of the polysaccharides, encompassing five anti-oxidant and three anti-coagulant properties, were assessed, with the ultrasonication-1 fraction having superior performance in seven of the assays. Finally, the association among the fractions in terms of composition and bioactivity was assessed adopting cluster analysis and regression methods. The findings underscore the effect of the extraction method on the properties of polysaccharides extracted from sludge, thereby providing valuable insights for the prospective applications of polysaccharides.
Collapse
Affiliation(s)
- Jie Liu
- Department of Civil and Environmental Engineering, Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution (Hong Kong Branch) and Water Technology Center, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China
| | - Zi Zhang
- Department of Civil and Environmental Engineering, Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution (Hong Kong Branch) and Water Technology Center, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China
| | - Yangfan Deng
- Department of Civil and Environmental Engineering, Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution (Hong Kong Branch) and Water Technology Center, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China
| | - Guanghao Chen
- Department of Civil and Environmental Engineering, Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution (Hong Kong Branch) and Water Technology Center, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China; Wastewater Treatment Laboratory, Fok Ying Tung Graduate School, The Hong Kong University of Science and Technology, Guangzhou, China.
| |
Collapse
|
2
|
Sela A, Moussa S, Rodov V, Iasur Kruh L, Poverenov E. Carboxymethyl chitosan-N-alkylimine derivatives: Synthesis, characterization and use for preservation of symbiotic biofertilizer bacteria on chickpea seeds. Int J Biol Macromol 2024; 262:130057. [PMID: 38340940 DOI: 10.1016/j.ijbiomac.2024.130057] [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] [Received: 06/26/2023] [Revised: 01/21/2024] [Accepted: 02/06/2024] [Indexed: 02/12/2024]
Abstract
A series of carboxymethyl chitosan-N-alkylimine derivatives with side chain length of 4 to 10 carbons (CMCS-n, n = 4, 6, 8, 10) was prepared in a one-step solvent-free synthesis using Schiff base chemistry. The modified polysaccharides were characterized by their spectral, thermal and physical properties. The prepared polymers demonstrated an ability to spontaneous self-assembly with a clear correlation between critical aggregation concentration and the chain length of the alkyl substituent. N-alkylimine-CMCS derivatives were found to deliver hydrophobic (curcumin) and hydrophilic (ascorbic acid) active agents in unfavorable environments of water and oil, respectively. Then, N-alkylimine-CMCS derivatives were used as a platform for the delivery of symbiotic gram-positive bacteria Bacillus subtilis CJ onto chickpea seeds. These bacteria demonstrated a significantly higher survival rate (106 CFU/mL) in dried CMCS-6 derivative film than in other films tested. The seeds treated with N-alkylimine-CMCS coatings that contained B. subtilis CJ demonstrated up to 100-fold increase of this bacterial population on the seedlings in comparison to the pristine CMCS.
Collapse
Affiliation(s)
- Aviad Sela
- Agro-nanotechnology and Advanced Materials Research Center, Department of Food Science, Agriculture Research Organization, The Volcani Institute, Rishon LeZion, Israel; Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Suzana Moussa
- Department of Biotechnology Engineering, Braude College of Engineering, Carmiel, Israel
| | - Victor Rodov
- Department of Postharvest Science, Agricultural Research Organization, The Volcani Institute, Rishon LeZion, Israel
| | - Lilach Iasur Kruh
- Department of Biotechnology Engineering, Braude College of Engineering, Carmiel, Israel
| | - Elena Poverenov
- Agro-nanotechnology and Advanced Materials Research Center, Department of Food Science, Agriculture Research Organization, The Volcani Institute, Rishon LeZion, Israel.
| |
Collapse
|
3
|
Itzhakov R, Hak H, Sadhasivam S, Belausov E, Fallik E, Spiegelman Z, Sionov E, Poverenov E. Nanogel Particles Based on Modified Nucleosides and Oligosaccharides as Advanced Delivery System. ACS NANO 2023; 17:23020-23031. [PMID: 37934119 DOI: 10.1021/acsnano.3c08627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2023]
Abstract
This work addresses the challenge of delivering bioactive molecules by designing biocompatible nanogel particles (NGPs) utilizing rationally modified nature-sourced building blocks: capryl-oligochitosan and oxidized inosine. Capryl substituents endowed the resultant NGPs with membrane-penetration capabilities, while purine-containing inosine allowed H-bond/π-π/π-cation interactions. The prepared NGPs were complexed with carboxyfluorescein-labeled single-stranded oligonucleotide (FAM-oligo) and DsRed-encoding plasmid DNA. The successful delivery of FAM-oligo to the cell cytoplasm of the Nicotiana benthamiana plant was observed. Alexa 555-labeled bovine serum albumin (Alexa 555-BSA) was also efficiently encapsulated and delivered to the plant. In addition to delivering FAM-oligo and Alexa 555-BSA separately, NGPs also successfully co-delivered both biomolecules to the plant. Finally, NGPs successfully encapsulated the drug amphotericin B and reduced its toxicity while maintaining its efficacy. The presented findings suggest that NGPs may become a promising platform for the advanced delivery of bioactive molecules in various applications.
Collapse
Affiliation(s)
- Rafael Itzhakov
- Agro-Nanotechnology and Advanced Materials Research Center, Department of Food Sciences, Agricultural Research Organization, Volcani Institute, Rishon LeZion 7505101, Israel
- The Robert H. Smith Faculty of Agriculture, Food and Environment, Biochemistry and Food Sciences, The Hebrew University of Jerusalem, Rehovot 76100, Israel
| | - Hagit Hak
- Department of Plant Pathology and Weed Research, Agricultural Research Organization, Volcani Institute, Rishon LeZion 7505101, Israel
| | - Sudharsan Sadhasivam
- The Robert H. Smith Faculty of Agriculture, Food and Environment, Biochemistry and Food Sciences, The Hebrew University of Jerusalem, Rehovot 76100, Israel
- Institute of Food and Postharvest Sciences, Agricultural Research Organization, Volcani Institute, Rishon LeZion 7505101, Israel
| | - Eduard Belausov
- Institute of Plant Sciences, Agricultural Research Organization, Volcani Institute, Rishon LeZion 7505101, Israel
| | - Elazar Fallik
- Institute of Food and Postharvest Sciences, Agricultural Research Organization, Volcani Institute, Rishon LeZion 7505101, Israel
| | - Ziv Spiegelman
- Department of Plant Pathology and Weed Research, Agricultural Research Organization, Volcani Institute, Rishon LeZion 7505101, Israel
| | - Edward Sionov
- Institute of Food and Postharvest Sciences, Agricultural Research Organization, Volcani Institute, Rishon LeZion 7505101, Israel
| | - Elena Poverenov
- Agro-Nanotechnology and Advanced Materials Research Center, Department of Food Sciences, Agricultural Research Organization, Volcani Institute, Rishon LeZion 7505101, Israel
| |
Collapse
|
4
|
George A, Jayaraman N. Anthracenemethyl Glycosides as Supramolecular Synthons for Chiral Self-Assembly and as Probes in Cell Imaging. ACS OMEGA 2023; 8:16927-16934. [PMID: 37214669 PMCID: PMC10193555 DOI: 10.1021/acsomega.3c00767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Accepted: 03/27/2023] [Indexed: 05/24/2023]
Abstract
Chiral self-assembly of molecules warrants optimal structural features of synthons that promote formation of such self-assembled structures. A polyaromatic moiety coupled with hydrophilic, chiral-rich carbohydrates leads to segmentation of the regions and the self-assembly to supramolecular structures. Thermodynamic stability is augmented further through chiral self-assembly of the molecules, and formation of the desired chiral supramolecular structures is achieved. In the present study, we develop anthracene glycosides as efficient synthons that, in aqueous solutions, undergo facile self-assembly and lead to chiral supramolecular structures. Anthracenemethyl O-glycosides, installed with mono- and disaccharides, are studied for their self-assembly properties. Emerging chiral structures follow the configuration of the attached sugar moiety. Monosaccharide d- and l-glycopyranoside-containing derivatives alternate between left- and right-handed chiral structures, respectively. Disaccharide-containing derivatives do not exhibit chirality, even when self-assembly occurred. Photochemical [4π + 4π] cycloaddition occurs in the self-assembled structure in aqueous solution. Cell viability assay using HeLa cells shows above 80% viable cells at a concentration of 50 μM. Bioimaging assays reveal a significant imaging of HeLa cells for anthracenemethyl d-glucopyranoside; bright imaging was observed at the perinuclear region of the cells, suggestive of an active transport of the molecules through the cell membrane. d-Galactopyranoside and l-glucopyranoside-containing derivatives show weak imaging potencies.
Collapse
|
5
|
Cohen E, Avram L, Poverenov E. Formation of Robust and Adaptive Biopolymers via Non-Covalent Supramolecular Interactions. Macromol Rapid Commun 2023; 44:e2200579. [PMID: 36153845 DOI: 10.1002/marc.202200579] [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: 06/28/2022] [Revised: 09/16/2022] [Indexed: 01/26/2023]
Abstract
Biomass-originated materials are the future's next-tier polymers. This work suggests improving mechanical and barrier properties of nature-sourced polymers using non-covalent supramolecular interactions. Polysaccharide chitosan is modified with amino acids via an esterification pathway using a systematic variation of hydrogen bond and aromatic domains (Degrees of substitution 12-49%). These controlled modifications improve stability due to non-covalent interactions, resulting in biopolymers with tailored thermal (decomposition temperature 232-275 °C), mechanical (Young's modulus 540-2667 MPa), and surface properties (roughness 4-40 nm). Chitosan and natural amino acids that are already manufactured at scale are purposely selected. The facile synthesis, controlled properties, stimuli-responsive potential, and inexhaustible origin of the raw materials provide the presented findings with the potential to become the method for the formation of high-performance biodegradable alternatives to petroleum-based polymers that can be used in packaging, food, agriculture, and medicine.
Collapse
Affiliation(s)
- Erez Cohen
- Agro-Nanotechnology and Advanced Materials Center, Institute of Postharvest and Food Sciences, Agriculture Research Organization, The Volcani Center, 68 HaMacabim Road, Rishon LeZion, 7505101, Israel.,Institute of Biochemistry, Food Science and Nutrition, Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, 229 Herzl Street, Rehovot, 7610001, Israel
| | - Liat Avram
- Department of Chemical Research Support, Weizmann Institute of Science, 234 Herzl Street, Rehovot, 7610001, Israel
| | - Elena Poverenov
- Agro-Nanotechnology and Advanced Materials Center, Institute of Postharvest and Food Sciences, Agriculture Research Organization, The Volcani Center, 68 HaMacabim Road, Rishon LeZion, 7505101, Israel
| |
Collapse
|
6
|
Valiey E, Dekamin MG, Bondarian S. Sulfamic acid grafted to cross-linked chitosan by dendritic units: a bio-based, highly efficient and heterogeneous organocatalyst for green synthesis of 2,3-dihydroquinazoline derivatives. RSC Adv 2022; 13:320-334. [PMID: 36605675 PMCID: PMC9768850 DOI: 10.1039/d2ra07319f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 12/15/2022] [Indexed: 12/24/2022] Open
Abstract
In this work, novel cross-linked chitosan by the G1 dendrimer from condensation of melamine and toluene-2,4-diisocyante terminated by sulfamic acid groups (CS-TDI-Me-TDI-NHSO3H), as a bio-based and heterogeneous acidic organocatalyst, was designed and prepared. Also, the structure of the prepared organocatalyst was characterized by Fourier transform infrared spectroscopy (FT-IR), field emission scanning electron microscopy (FESEM), energy-dispersive X-ray spectroscopy (EDS), X-ray diffraction (XRD) and thermogravimetric analysis/derivative thermogravimetry (TGA/DTA). Subsequently, the catalytic performance of the biobased and dendritic CS-TDI-Me-TDI-NHSO3H, as a multifunctional solid acid, was evaluated for the preparation of 2,3-dihydroquinazoline derivatives through a three-component reaction by following green chemistry principles. Some of the advantages of this new protocol include high to excellent yields and short reaction times as well as easy preparation and remarkable catalyst stability of the introduced acidic organocatalyst. The CS-TDI-Me-TDI-SO3H catalyst can be used for up to five cycles for the preparation of quinazoline derivatives with a slight decrease in its catalytic activity.
Collapse
Affiliation(s)
- Ehsan Valiey
- Pharmaceutical and Heterocyclic Compounds Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 1684613314 Iran
| | - Mohammad G Dekamin
- Pharmaceutical and Heterocyclic Compounds Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 1684613314 Iran
| | - Shirin Bondarian
- Pharmaceutical and Heterocyclic Compounds Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 1684613314 Iran
| |
Collapse
|
7
|
Bolshakov IN, Gornostaev LM, Fominykh OI, Svetlakov AV. Synthesis, Chemical and Biomedical Aspects of the Use of Sulfated Chitosan. Polymers (Basel) 2022; 14:polym14163431. [PMID: 36015688 PMCID: PMC9412326 DOI: 10.3390/polym14163431] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 08/07/2022] [Accepted: 08/10/2022] [Indexed: 11/16/2022] Open
Abstract
This work is devoted to the chemical synthesis of sulfated chitosan and its experimental verification in an animal model of early atherosclerosis. The method of chitosan quaternization with sulfate-containing ingredients resulted in a product with a high content of sulfate groups. Implantation of this product into the fascial-muscular sheath of the main limb artery along the leg and thigh in rabbits led to the extraction of cholesterol from the subintimal region. Simplified methods for the chemical synthesis of quaternized sulfated chitosan and the use of these products in a model of experimental atherosclerosis made it possible to perform a comparative morphological analysis of the vascular walls of the experimental and control limbs under conditions of a long-term high-cholesterol diet. The sulfated chitosan samples after implantation were shown to change the morphological pattern of the intimal and middle membranes of the experimental limb artery. The implantation led to the degradation of soft plaques within 30 days after surgical intervention, which significantly increased collateral blood flow. The implantation of sulfated chitosan into the local area of the atherosclerotic lesions in the artery can regulate the cholesterol content in the vascular wall and destroy soft plaques in the subintimal region.
Collapse
Affiliation(s)
- I. N. Bolshakov
- Department of Operative Surgery and Topographic Anatomy, FSBE Higher Education Prof. V.F. Voyno-Yasenetsky Krasnoyarsk State Medical University, Krasnoyarsk 660022, Russia
- Correspondence: ; Tel.: +7-8-913-511-0933
| | - L. M. Gornostaev
- Department of Operative Surgery and Topographic Anatomy, FSBE Higher Education Prof. V.F. Voyno-Yasenetsky Krasnoyarsk State Medical University, Krasnoyarsk 660022, Russia
- Department of Biology, Chemistry and Ecology, Krasnoyarsk State Pedagogical University Named after V.P. Astafiev, Krasnoyarsk 660049, Russia
| | - O. I. Fominykh
- Department of Biology, Chemistry and Ecology, Krasnoyarsk State Pedagogical University Named after V.P. Astafiev, Krasnoyarsk 660049, Russia
| | - A. V. Svetlakov
- AlfaChem Limited Liability Company, Krasnoyarsk 660135, Russia
| |
Collapse
|
8
|
Li J, Xiang H, Zhang Q, Miao X. Polysaccharide-Based Transdermal Drug Delivery. Pharmaceuticals (Basel) 2022; 15:ph15050602. [PMID: 35631428 PMCID: PMC9146969 DOI: 10.3390/ph15050602] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 05/10/2022] [Accepted: 05/11/2022] [Indexed: 12/04/2022] Open
Abstract
Materials derived from natural plants and animals have great potential for transdermal drug delivery. Polysaccharides are widely derived from marine, herbal, and microbial sources. Compared with synthetic polymers, polysaccharides have the advantages of non-toxicity and biodegradability, ease of modification, biocompatibility, targeting, and antibacterial properties. Currently, polysaccharide-based transdermal drug delivery vehicles, such as hydrogel, film, microneedle (MN), and tissue scaffolds are being developed. The addition of polysaccharides allows these vehicles to exhibit better-swelling properties, mechanical strength, tensile strength, etc. Due to the stratum corneum’s resistance, the transdermal drug delivery system cannot deliver drugs as efficiently as desired. The charge and hydration of polysaccharides allow them to react with the skin and promote drug penetration. In addition, polysaccharide-based nanotechnology enhances drug utilization efficiency. Various diseases are currently treated by polysaccharide-based transdermal drug delivery devices and exhibit promising futures. The most current knowledge on these excellent materials will be thoroughly discussed by reviewing polysaccharide-based transdermal drug delivery strategies.
Collapse
Affiliation(s)
- Jingyuan Li
- Marine College, Shandong University, Weihai 264209, China; (J.L.); (H.X.); (Q.Z.)
- SDU-ANU Joint Science College, Shandong University, Weihai 264209, China
| | - Hong Xiang
- Marine College, Shandong University, Weihai 264209, China; (J.L.); (H.X.); (Q.Z.)
| | - Qian Zhang
- Marine College, Shandong University, Weihai 264209, China; (J.L.); (H.X.); (Q.Z.)
| | - Xiaoqing Miao
- Marine College, Shandong University, Weihai 264209, China; (J.L.); (H.X.); (Q.Z.)
- Weihai Changqing Ocean Science Technology Co., Ltd., Weihai 264209, China
- Correspondence: ; Tel.: +86-19806301068
| |
Collapse
|
9
|
Cohen Y, Cohen G, Tworowski D, Eretz-Kdosha N, Silberstein E, Fallik E, Poverenov E. Biocompatible nanocarriers for passive transdermal delivery of insulin based on self-adjusting N-alkylamidated carboxymethyl cellulose polysaccharides. NANOSCALE ADVANCES 2022; 4:2124-2133. [PMID: 36133443 PMCID: PMC9419864 DOI: 10.1039/d2na00005a] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Accepted: 03/02/2022] [Indexed: 05/27/2023]
Abstract
In this work, we present biocompatible nanocarriers based on modified polysaccharides capable of transporting insulin macromolecules through human skin without any auxiliary techniques. N-Alkylamidated carboxymethyl cellulose (CMC) derivatives CMC-6 and CMC-12 were synthesized and characterized using attenuated total reflectance Fourier transform infrared (ATR-FTIR) and nuclear magnetic resonance (NMR) spectroscopy, gel permeation chromatography and thermogravimetric, calorimetric and microscopic techniques. The prepared modified polysaccharides spontaneously assemble into soft nanoaggregates capable of adjusting to both aqueous and lipid environments. Due to this remarkable self-adjustment ability, CMC-6 and CMC-12 were examined for transdermal delivery of insulin. First, a significant increase in the amount of insulin present in lipid media upon encapsulation in CMC-12 was observed in vitro. Then, ex vivo studies on human skin were conducted. Those studies revealed that the CMC-12 carrier led to an enhancement of transdermal insulin delivery, showing a remarkable 85% insulin permeation. Finally, toxicity studies revealed no alteration in epidermal viability upon treatment and the absence of any skin irritation or amplified cytokine release, verifying the safety of the prepared carriers. Three-dimensional (3D) molecular modeling and conformational dynamics of CMC-6 and CMC-12 polymer chains explained their binding capacities and the ability to transport insulin macromolecules. The presented carriers have the potential to become a biocompatible, safe and feasible platform for the design of effective systems for transdermal delivery of bioactive macromolecules in medicine and cosmetics. In addition, transdermal insulin delivery reduces the pain and infection risk in comparison to injections, which may increase the compliance and glycemic control of diabetic patients.
Collapse
Affiliation(s)
- Yael Cohen
- Agro-Nanotechnology and Advanced Materials Center, Institute of Postharvest and Food Sciences, Agricultural Research Organization, The Volcani Institute Rishon LeZion 7505101 Israel +972-39683354
- The Robert H Smith, Faculty of Agriculture, Food and Environment, Institute of Biochemistry, Food and Nutrition, The Hebrew University of Jerusalem Rehovot 76100 Israel
| | - Guy Cohen
- The Skin Research Institute, Dead Sea & Arava Science Center Masada 86910 Israel
- Eilat Campus, Ben-Gurion University of the Negev Eilat 8855630 Israel
| | - Dmitry Tworowski
- Department of Structural Biology, Weizmann Institute of Science 76100 Rehovot Israel
| | - Noy Eretz-Kdosha
- The Skin Research Institute, Dead Sea & Arava Science Center Masada 86910 Israel
| | - Eldad Silberstein
- Department of Plastic Surgery, Soroka University Medical Center, Ben-Gurion University of the Negev Beer-Sheva Israel
| | - Elazar Fallik
- Agro-Nanotechnology and Advanced Materials Center, Institute of Postharvest and Food Sciences, Agricultural Research Organization, The Volcani Institute Rishon LeZion 7505101 Israel +972-39683354
| | - Elena Poverenov
- Agro-Nanotechnology and Advanced Materials Center, Institute of Postharvest and Food Sciences, Agricultural Research Organization, The Volcani Institute Rishon LeZion 7505101 Israel +972-39683354
| |
Collapse
|
10
|
Biomimetic Citrate-Coated Luminescent Apatite Nanoplatforms for Diclofenac Delivery in Inflammatory Environments. NANOMATERIALS 2022; 12:nano12030562. [PMID: 35159907 PMCID: PMC8838995 DOI: 10.3390/nano12030562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 01/24/2022] [Accepted: 02/02/2022] [Indexed: 11/16/2022]
Abstract
Luminescent nanoparticles are innovative tools for medicine, allowing the imaging of cells and tissues, and, at the same time, carrying and releasing different types of molecules. We explored and compared the loading/release ability of diclofenac (COX-2 antagonist), in both undoped- and luminescent Terbium3+ (Tb3+)-doped citrate-coated carbonated apatite nanoparticles at different temperatures (25, 37, 40 °C) and pHs (7.4, 5.2). The cytocompatibility was evaluated on two osteosarcoma cell lines and primary human osteoblasts. Biological effects of diclofenac-loaded-nanoparticles were monitored in an in vitro osteoblast’s cytokine–induced inflammation model by evaluating COX-2 mRNA expression and production of PGE2. Adsorption isotherms fitted the multilayer Langmuir-Freundlich model. The maximum adsorbed amounts at 37 °C were higher than at 25 °C, and particularly when using the Tb3+ -doped particles. Diclofenac-release efficiencies were higher at pH 5.2, a condition simulating a local inflammation. The luminescence properties of diclofenac-loaded Tb3+ -doped particles were affected by pH, being the relative luminescence intensity higher at pH 5.2 and the luminescence lifetime higher at pH 7.4, but not influenced either by the temperature or by the diclofenac-loaded amount. Both undoped and Tb3+-doped nanoparticles were cytocompatible. In addition, diclofenac release increased COX-2 mRNA expression and decreased PGE2 production in an in vitro inflammation model. These findings evidence the potential of these nanoparticles for osteo-localized delivery of anti-inflammatory drugs and the possibility to localize the inflammation, characterized by a decrease in pH, by changes in luminescence.
Collapse
|
11
|
Cohen Y, Mwangi E, Tish N, Xu J, Vaze ND, Klingbell T, Fallik E, Luo Y, Demokritou P, Rodov V, Poverenov E. Quaternized chitosan as a biopolymer sanitizer for leafy vegetables: synthesis, characteristics, and traditional vs. dry nano-aerosol applications. Food Chem 2022; 378:132056. [PMID: 35030463 DOI: 10.1016/j.foodchem.2022.132056] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 01/01/2022] [Accepted: 01/02/2022] [Indexed: 12/18/2022]
Abstract
A series of quaternary dimethyl-(alkyl)-ammonium chitosan derivatives (QACs) was synthesized and studied for physicochemical properties and bioactivity. The QACs tended to spontaneously self-assembly into nanoaggregates. Antimicrobial activity was examined in vitro on Gram-negative Escherichia coli (E. coli) and Gram-positive Listeria innocua (L. innocua) bacteria as well as phytopathogenic fungus Botrytis cinerea. The hexyl chain-substituted QAC-6 demonstrated the highest potency causing 3.0- and 4.5-log CFU mL-1 reduction of E. coli and L. innocua, respectively. QAC-6 was tested for antimicrobial activity on stainless steel coupons and fresh spinach leaves. A traditional 'wet' application (spray) and dry Engineered Water Nanostructure (EWNS) approach were used for spinach decontamination. With both approaches, significant reduction of microbial load on the treated produce was achieved. The wet application showed a greater reduction of microbial load, while the advantages of EWNS were reaching the antimicrobial effect with miniscule dose of active agent leaving treated surface visibly dry.
Collapse
Affiliation(s)
- Yael Cohen
- Agro-Nanotechnology and Advanced Materials Center, Department of Food Science, Agricultural Research Organization, The Volcani Institute, 68 HaMaccabim Road, P.O. Box 15159, Rishon LeZion 7505101, Israel; Institute of Biochemistry, Food Science and Nutrition, The Robert H. Smith, Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Herzl Street P.O. Box 12, Rehovot 7610001, Israel
| | - Esther Mwangi
- Institute of Biochemistry, Food Science and Nutrition, The Robert H. Smith, Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Herzl Street P.O. Box 12, Rehovot 7610001, Israel; Department of Postharvest Science, Agricultural Research Organization, The Volcani Institute, 68 HaMaccabim Road, P.O. Box 15159, Rishon LeZion 7505101, Israel
| | - Nimrod Tish
- Department of Postharvest Science, Agricultural Research Organization, The Volcani Institute, 68 HaMaccabim Road, P.O. Box 15159, Rishon LeZion 7505101, Israel; Department of Life Sciences, Bar-Ilan University, Ramat Gan, Max ve-Anna Webb, 5290002, Israel
| | - Jie Xu
- Center for Nanotechnology and Nanotoxicology. Department of Environmental Health, T.H. Chan School of Public Health, Harvard University, 665 Huntington Avenue, Boston, MA 02115, USA
| | - Nachiket D Vaze
- Center for Nanotechnology and Nanotoxicology. Department of Environmental Health, T.H. Chan School of Public Health, Harvard University, 665 Huntington Avenue, Boston, MA 02115, USA
| | - Tal Klingbell
- Agro-Nanotechnology and Advanced Materials Center, Department of Food Science, Agricultural Research Organization, The Volcani Institute, 68 HaMaccabim Road, P.O. Box 15159, Rishon LeZion 7505101, Israel; Institute of Biochemistry, Food Science and Nutrition, The Robert H. Smith, Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Herzl Street P.O. Box 12, Rehovot 7610001, Israel
| | - Elazar Fallik
- Department of Postharvest Science, Agricultural Research Organization, The Volcani Institute, 68 HaMaccabim Road, P.O. Box 15159, Rishon LeZion 7505101, Israel
| | - Yaguang Luo
- Environmental Microbial and Food Safety Laboratory, U. S. Department of Agriculture, Agricultural Research Service, Beltsville Agricultural Research Center, 10300 Baltimore Ave, Beltsville, MD 20705, USA
| | - Philip Demokritou
- Center for Nanotechnology and Nanotoxicology. Department of Environmental Health, T.H. Chan School of Public Health, Harvard University, 665 Huntington Avenue, Boston, MA 02115, USA
| | - Victor Rodov
- Department of Postharvest Science, Agricultural Research Organization, The Volcani Institute, 68 HaMaccabim Road, P.O. Box 15159, Rishon LeZion 7505101, Israel
| | - Elena Poverenov
- Agro-Nanotechnology and Advanced Materials Center, Department of Food Science, Agricultural Research Organization, The Volcani Institute, 68 HaMaccabim Road, P.O. Box 15159, Rishon LeZion 7505101, Israel.
| |
Collapse
|
12
|
Veltman B, Harpaz D, Cohen Y, Poverenov E, Eltzov E. Characterization of the selective binding of modified chitosan nanoparticles to Gram-negative bacteria strains. Int J Biol Macromol 2022; 194:666-675. [PMID: 34822835 DOI: 10.1016/j.ijbiomac.2021.11.111] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Revised: 09/12/2021] [Accepted: 11/16/2021] [Indexed: 01/24/2023]
Abstract
Chitosan is a nature-sourced polysaccharide widely used in numerous applications. The antibacterial potential of chitosan has attracted researchers to further develop and utilize this polymer for the formation of biocompatible antibacterial agents for both the food and healthcare industries. The tested hypothesis in this study is that modified N-alkylaminated chitosan nanoparticles (CNPs) have selective binding properties to Gram-negative bacteria strains that result in bacterial aggregation. Various bacterial strains were tested of five Gram-negative bacteria including Erwinia carotovora, Escherichia coli, Pseudomonas aeruginosa, Salmonella, and Serratia marcescens, as well as three Gram-positive bacteria strains including Bacillus licheniformis, Bacillus megaterium, and Bacillus subtilis. The fluorescence microscopy characterization showed that the presence of CNPs caused the aggregation of Escherichia coli bacteria cells, where modified CNPs with a shorter chain length of the substituent caused a higher aggregation effect. Moreover, it was found that the CNPs exhibited a selective binding behavior to Gram-negative as compared to Gram-positive bacteria strains, mainly to Escherichia coli and Salmonella. Also, the scanning electron microscopy characterization showed that CNPs exhibited selective binding to Gram-negative bacteria, which was especially understood when both Gram-negative and Gram-positive bacteria strains were within the same sample. In addition, the bacterial viability assay suggests that CNPs with a lower degree of substitution have a higher inhibitory effect on bacterial growth. CNPs with longer side chains had a less inhibitory effect on the bacterial growth of Gram-negative strains, where a concentration-dependent response pattern was only seen for the cases of Gram-negative strains, and not for the case of Gram-positive strain. To conclude, the further understanding of the selective binding of CNPs to Gram-negative bacteria strains may produce new opportunities for the discovery and characterization of effective antibacterial agents.
Collapse
Affiliation(s)
- Boris Veltman
- Institute of Postharvest and Food Science, Department of Postharvest Science, Volcani Institute, Agricultural Research Organization, Rishon LeZion 7505101, Israel; Institute of Biochemistry, Food Science and Nutrition, Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot 76100, Israel.
| | - Dorin Harpaz
- Institute of Postharvest and Food Science, Department of Postharvest Science, Volcani Institute, Agricultural Research Organization, Rishon LeZion 7505101, Israel; Institute of Biochemistry, Food Science and Nutrition, Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot 76100, Israel.
| | - Yael Cohen
- Institute of Postharvest and Food Science, Department of Postharvest Science, Volcani Institute, Agricultural Research Organization, Rishon LeZion 7505101, Israel.
| | - Elena Poverenov
- Institute of Postharvest and Food Science, Department of Postharvest Science, Volcani Institute, Agricultural Research Organization, Rishon LeZion 7505101, Israel; Agro-Nanotechnology and Advanced Materials Research Center, Volcani Institute, Agricultural Research Organization, Rishon LeZion 7505101, Israel.
| | - Evgeni Eltzov
- Institute of Postharvest and Food Science, Department of Postharvest Science, Volcani Institute, Agricultural Research Organization, Rishon LeZion 7505101, Israel; Agro-Nanotechnology and Advanced Materials Research Center, Volcani Institute, Agricultural Research Organization, Rishon LeZion 7505101, Israel.
| |
Collapse
|
13
|
Cohen Y, Yasuor H, Tworowski D, Fallik E, Poverenov E. Stimuli-Free Transcuticular Delivery of Zn Microelement Using Biopolymeric Nanovehicles: Experimental, Theoretical, and In Planta Studies. ACS NANO 2021; 15:19446-19456. [PMID: 34817154 PMCID: PMC8900126 DOI: 10.1021/acsnano.1c06161] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
This paper reports one-step synthesis of polysaccharide-based nanovehicles, capable of transporting ionic zinc via plant cuticle without auxiliary stimulation. Delivery of highly hydrophilic nutritive microelements via the hydrophobic cuticle of plant foliage is one of the major challenges in modern agriculture. In traditional nutrition via roots, up to 80% of microelements permeate to soil and get wasted; therefore, foliar treatment is an environmentally and economically preferable alternative. Carboxymethyl cellulose (CMC) was modified to amphiphilic N-octylamide-derivative (CMC-8), which spontaneously self-assemble to nanovehicles. It was found that hydrophobic substituents endow a biopolymer with unexpected affinity toward a hydrophilic payload. CMC-8 nanovehicles effectively encapsulated ionic zinc (ZnSO4) and delivered it upon foliar application to pepper (Capsicum annuum) and tomato (Solanum lycopersicum) plants. Zinc uptake and translocation in plants were monitored by SEM-EDS and fluorescence microscopic methods. In planta monitoring of the carrier was done by labeling nanovehicles with fluorescent carbon dots. Three-dimensional (3-D) structural modeling and conformational dynamics explained the CMC-8 self-assembly mechanism and zinc coordination phenomenon upon introduction of hydrophobic substituents.
Collapse
Affiliation(s)
- Yael Cohen
- Agro-Nanotechnology
and Advanced Materials Center, Institute of Postharvest and Food Sciences,
Agriculture Research Organization, The Volcani
Institute, Rishon
LeZion 7505101, Israel
- Institute
of Biochemistry, Food Science and Nutrition, Faculty of Agriculture,
Food and Environment, The Hebrew University
of Jerusalem, Rehovot 76100, Israel
| | - Hagai Yasuor
- Department
of Vegetables and Field Crops, Agriculture Research Organization, Gilat Center, M.P.
Negev 85280, Israel
| | - Dmitry Tworowski
- Department
of Structural Biology, Weizmann Institute
of Science, 76100 Rehovot, Israel
| | - Elazar Fallik
- Agro-Nanotechnology
and Advanced Materials Center, Institute of Postharvest and Food Sciences,
Agriculture Research Organization, The Volcani
Institute, Rishon
LeZion 7505101, Israel
| | - Elena Poverenov
- Agro-Nanotechnology
and Advanced Materials Center, Institute of Postharvest and Food Sciences,
Agriculture Research Organization, The Volcani
Institute, Rishon
LeZion 7505101, Israel
- E-mail: . Tel: 972-39683354. Agricultural Research Organization,
68 HaMaccabim Road, P.O.B 15159 Rishon LeZion 7505101, Israel
| |
Collapse
|
14
|
Ma J, Li TF, Yuan HF. Novel Copper Nanoparticles Intercalated Polyurethane Heparin/Poly-L-Lysine Chelates Coated Stents: Viability Study for Coronary Vascular Cells and Aneurysms Treatments. J Biomed Nanotechnol 2021; 17:216-229. [PMID: 33785093 DOI: 10.1166/jbn.2021.3023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Continuous delayed endothelium regeneration and continues thrombosis development designate a task for coronary artery stent rehabilitation. To progress the direct vascular cell behavior, aneurysms treatments and compatibility of cardiovascular implants novel copper intercalated polyurethane heparin/poly-L-lysine chelates treated stent has established in this report. The functional group modifications, structural characteristics, and stability of the chelates have investigated for polyurethane heparin: poly-L-lysine, copper intercalated polyurethane heparin/poly-L-lysine coated stents. The FTIR results showed the copper intercalation at 446 cmr and the Cu 2s peak at 932 eV from XPS also indicated that the successful coating of copper, polyurethane heparin, poly-L-lysine. The relative surface geomorphology of the chelates displayed the uniform Cu coating consisting of multilayer poly-L-lysine on the substrate. The stability and biocompatibility studies indicated the significantly enhanced performance with clot the APTT and TT periods as clotting and cell proliferation assessments. This type of composite proposes a stage on a stent external area for discerning track of vascular cell performance and aneurysms treatments with low side effects.
Collapse
Affiliation(s)
- Ji Ma
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University Zhengzhou 45000, PR China
| | - Teng-Fei Li
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University Zhengzhou 45000, PR China
| | - Hui-Feng Yuan
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University Zhengzhou 45000, PR China
| |
Collapse
|
15
|
Nasonova A, Cohen Y, Poverenov E, Borisover M. Binding interactions of salicylic acid with chitosan and its N-alkylated derivative in solutions: An equilibrium dialysis study. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.125202] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
|