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Pimcharoen K, Opaprakasit P, Yingchutrakul Y, Simanon N, Butkinaree C, Yuttayong D, Hompa R, Vayachuta L, Prompinit P. Bromelain Immobilized onto Clay-Carboxymethylcellulose Composites for Improving Nutritive Value of Soybean Meal. ACS APPLIED BIO MATERIALS 2024. [PMID: 39021071 DOI: 10.1021/acsabm.4c00392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2024]
Abstract
Improvement of nutritional value and reduction of antinutritional factors (ANFs) of soybean meal (SBM) for animal feed applications could be achieved by using bromelain immobilized onto bentonite (Bt)-carboxymethylcellulose (CMC) composites. The composite with mass ratio between CMC to calcium ion (Ca2+) at 1:20 provided the highest enzyme activity, immobilization yield higher than 95%, with superior thermal and storage stabilities. Performance of the immobilized bromelain for soybean protein hydrolysis was further studied. The results showed that at 60 °C, the immobilized bromelain exhibited the highest efficiency in enzymatic hydrolysis to release free alpha amino nitrogen (FAN) as a product with high selectivity and to effectively reduce SBM allergenic proteins within 30 min. In conclusion, immobilization of bromelain onto Bt-CMC composites leads to stability enhancement of the enzyme, enabling effective improvement in SBM quality in a short treatment time and showing great potential for application in animal feed industries.
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Affiliation(s)
- Kanlayanit Pimcharoen
- School of Integrated Science and Innovation, Sirindhorn International Institute of Technology (SIIT), Thammasat University, Pathum Thani 12121, Thailand
| | - Pakorn Opaprakasit
- School of Integrated Science and Innovation, Sirindhorn International Institute of Technology (SIIT), Thammasat University, Pathum Thani 12121, Thailand
| | - Yodying Yingchutrakul
- National Center for Genetic Engineering and Biotechnology, National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani 12120, Thailand
| | - Nattapon Simanon
- National Center for Genetic Engineering and Biotechnology, National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani 12120, Thailand
| | - Chutikarn Butkinaree
- National Center for Genetic Engineering and Biotechnology, National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani 12120, Thailand
| | - Darawan Yuttayong
- Aquatic Animal Feed Research and Development Division, Department of Fisheries, Ministry of Agriculture and Cooperatives, Bangkok 10900, Thailand
| | - Ramawadee Hompa
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani 12120, Thailand
| | - Lapporn Vayachuta
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani 12120, Thailand
| | - Panida Prompinit
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani 12120, Thailand
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Khazani Asforooshani M, Elikaei A, Abed S, Shafiei M, Barzi SM, Solgi H, Badmasti F, Sohrabi A. A novel Enterococcus faecium phage EF-M80: unveiling the effects of hydrogel-encapsulated phage on wound infection healing. Front Microbiol 2024; 15:1416971. [PMID: 39006751 PMCID: PMC11239553 DOI: 10.3389/fmicb.2024.1416971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2024] [Accepted: 06/13/2024] [Indexed: 07/16/2024] Open
Abstract
Background Enterococcus faecium is one of the members of ESKAPE pathogens. Due to its resistance to antimicrobial agents, treating this bacterium has become challenging. The development of innovative approaches to combat antibiotic resistance is necessary. Phage therapy has emerged as a promising method for curing antibiotic-resistant bacteria. Methods In this study, E. faecium phages were isolated from wastewater. Phage properties were characterized through in vitro assays (e.g. morphological studies, and physicochemical properties). In addition, whole genome sequencing was performed. A hydrogel-based encapsulated phage was obtained and its structure characteristics were evaluated. Wound healing activity of the hydrogel-based phage was assessed in a wound mice model. Results The purified phage showed remarkable properties including broad host range, tolerance to high temperature and pH and biofilm degradation feature as a stable and reliable therapeutic agent. Whole genome sequencing revealed that the genome of the EF-M80 phage had a length of 40,434 bp and harbored 65 open reading frames (ORFs) with a GC content of 34.9% (GenBank accession number is OR767211). Hydrogel-based encapsulated phage represented an optimized structure. Phage-loaded hydrogel-treated mice showed that the counting of neutrophils, fibroblasts, blood vessels, hair follicles and percentage of collagen growth were in favor of the wound healing process in the mice model. Conclusion These findings collectively suggest the promising capability of this phage-based therapeutic strategy for the treatment of infections associated with the antibiotic-resistant E. faecium. In the near future, we hope to expect the presence of bacteriophages in the list of antibacterial compounds used in the clinical settings.
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Affiliation(s)
- Mahshid Khazani Asforooshani
- Department of Microbiology, Faculty of Biological Sciences, Alzahra University, Tehran, Iran
- Department of Bacteriology, Pasteur Institute of Iran, Tehran, Iran
| | - Ameneh Elikaei
- Department of Microbiology, Faculty of Biological Sciences, Alzahra University, Tehran, Iran
| | - Sahar Abed
- Department of Microbial Biotechnology, Faculty of Basic Sciences and Advanced Technologies in Biology, University of Science and Culture, Tehran, Iran
| | - Morvarid Shafiei
- Department of Bacteriology, Pasteur Institute of Iran, Tehran, Iran
| | | | - Hamid Solgi
- Isfahan Endocrine and Metabolism Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Farzad Badmasti
- Department of Bacteriology, Pasteur Institute of Iran, Tehran, Iran
| | - Aria Sohrabi
- Department of Epidemiology and Biostatistics, Research Center for Emerging and Reemerging Infectious Diseases, Pasteur Institute of Iran, Tehran, Iran
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Liu B, Hu C, Huang X, Qin K, Wang L, Wang Z, Liang J, Xie F, Fan Z. 3D printing nacre powder/sodium alginate scaffold loaded with PRF promotes bone tissue repair and regeneration. Biomater Sci 2024; 12:2418-2433. [PMID: 38511973 DOI: 10.1039/d3bm01936e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
Bone defects are a common complication of bone diseases, which often affect the quality of life and mental health of patients. The use of biomimetic bone scaffolds loaded with bioactive substances has become a focal point in the research on bone defect repair. In this study, composite scaffolds resembling bone tissue were created using nacre powder (NP) and sodium alginate (SA) through 3D printing. These scaffolds exhibit several physiological structural and mechanical characteristics of bone tissue, such as suitable porosity, an appropriate pore size, applicable degradation performance and satisfying the mechanical requirements of cancellous bone, etc. Then, platelet-rich fibrin (PRF), containing a mass of growth factors, was loaded on the NP/SA scaffolds. This was aimed to fully maximize the synergistic effect with NP, thereby accelerating bone tissue regeneration. Overall, this study marks the first instance of preparing a bionic bone structure scaffold containing NP by 3D printing technology, which is combined with PRF to further accelerate bone regeneration. These findings offer a new treatment strategy for bone tissue regeneration in clinical applications.
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Affiliation(s)
- Bin Liu
- Key Laboratory of Dental Maxillofacial Reconstruction and Biological Intelligence Manufacturing, Gansu Province, School of Stomatology, Lanzhou University, Lanzhou 730000, P. R. China.
- Department of Oral and Maxillofacial Surgery, 2nd Hospital of Lanzhou University, Lanzhou 730030, P. R. China.
| | - Cewen Hu
- Key Laboratory of Dental Maxillofacial Reconstruction and Biological Intelligence Manufacturing, Gansu Province, School of Stomatology, Lanzhou University, Lanzhou 730000, P. R. China.
| | - Xinyue Huang
- Key Laboratory of Dental Maxillofacial Reconstruction and Biological Intelligence Manufacturing, Gansu Province, School of Stomatology, Lanzhou University, Lanzhou 730000, P. R. China.
| | - Kaiqi Qin
- Key Laboratory of Dental Maxillofacial Reconstruction and Biological Intelligence Manufacturing, Gansu Province, School of Stomatology, Lanzhou University, Lanzhou 730000, P. R. China.
| | - Lei Wang
- Key Laboratory of Dental Maxillofacial Reconstruction and Biological Intelligence Manufacturing, Gansu Province, School of Stomatology, Lanzhou University, Lanzhou 730000, P. R. China.
| | - Zhilong Wang
- Key Laboratory of Dental Maxillofacial Reconstruction and Biological Intelligence Manufacturing, Gansu Province, School of Stomatology, Lanzhou University, Lanzhou 730000, P. R. China.
| | - Jiachen Liang
- Key Laboratory of Dental Maxillofacial Reconstruction and Biological Intelligence Manufacturing, Gansu Province, School of Stomatology, Lanzhou University, Lanzhou 730000, P. R. China.
| | - Fuqiang Xie
- Key Laboratory of Dental Maxillofacial Reconstruction and Biological Intelligence Manufacturing, Gansu Province, School of Stomatology, Lanzhou University, Lanzhou 730000, P. R. China.
- Department of Oral and Maxillofacial Surgery, 2nd Hospital of Lanzhou University, Lanzhou 730030, P. R. China.
| | - Zengjie Fan
- Key Laboratory of Dental Maxillofacial Reconstruction and Biological Intelligence Manufacturing, Gansu Province, School of Stomatology, Lanzhou University, Lanzhou 730000, P. R. China.
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Ahmadpour F, Ganjali F, Radinekiyan F, Eivazzadeh-Keihan R, Salimibani M, Bahreinizad H, Mahdavi M, Maleki A. Fabrication and characterization of a novel magnetic nanostructure based on pectin-cellulose hydrogel for in vitro hyperthermia during cancer therapy. RSC Adv 2024; 14:13676-13684. [PMID: 38665491 PMCID: PMC11044123 DOI: 10.1039/d3ra08067f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Accepted: 04/12/2024] [Indexed: 04/28/2024] Open
Abstract
Herein, a new magnetic nanobiocomposite based on a synthesized cross-linked pectin-cellulose hydrogel (cross-linked Pec-Cel hydrogel) substrate was designed and synthesized. The formation of the cross-linked Pec-Cel hydrogel with a calcium chloride agent and its magnetization process caused a new and efficient magnetic nanobiocomposite. Several spectral and analytical techniques, including FTIR, SEM, VSM, TGA, XRD, and EDX analyses, were performed to confirm and characterize the structural features of the magnetic cross-linked pectin-cellulose hydrogel nanobiocomposite (magnetic cross-linked Pec-Cel hydrogel nanobiocomposite). Based on SEM images, prepared Fe3O4 magnetic nanoparticles (MNPs) were uniformly dispersed in the Pec-Cel hydrogel context, representing an average particle size between 50.0 and 60.0 nm. The XRD pattern also confirms the crystallinity of the magnetic nanobiocomposite. All constituent elements and their distribution have been depicted in the EDX analysis of the magnetic nanobiocomposite. VSM curves confirmed the superparamagnetic behavior of Fe3O4 MNPs and the magnetic nanobiocomposite with a saturation magnetization of 77.31 emu g-1 and 48.80 emu g-1, respectively. The thermal stability of the nanobiocomposite was authenticated to ca. 800 °C based on the TGA thermogram. Apart from analyzing the structural properties of the magnetic cross-linked Pec-Cel hydrogel nanobiocomposite, different concentrations (0.5 mg mL-1, 1.0 mg mL-1, 2.0 mg mL-1, 5.0 mg mL-1, and 10.0 mg mL-1) of this new magnetic nanostructure were exposed to an alternating magnetic field (AMF) at different frequencies (100.0 MHz, 200.0 MHz, 300.0 MHz, and 400.0 MHz) to evaluate its capacity for an in vitro hyperthermia process; in addition, the highest specific absorption rate (126.0 W g-1) was obtained by the least magnetic nanobiocomposite concentration (0.5 mg mL-1).
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Affiliation(s)
- Farnoush Ahmadpour
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran
| | - Fatemeh Ganjali
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran
| | - Fateme Radinekiyan
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran
| | - Reza Eivazzadeh-Keihan
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran
| | - Milad Salimibani
- Department of Optics and Photonics, Wroclaw University of Science and Technology Wroclaw Poland
| | - Hossein Bahreinizad
- Department of Industrial, Manufacturing, and Systems Engineering, Texas Tech University Lubbock TX USA
| | - Mohammad Mahdavi
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences Tehran Iran
| | - Ali Maleki
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran
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Mucaria A, Giuri D, Tomasini C, Falini G, Montroni D. Tunable Oxidized-Chitin Hydrogels with Customizable Mechanical Properties by Metal or Hydrogen Ion Exposure. Mar Drugs 2024; 22:164. [PMID: 38667781 PMCID: PMC11051383 DOI: 10.3390/md22040164] [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: 02/29/2024] [Revised: 03/26/2024] [Accepted: 03/31/2024] [Indexed: 04/28/2024] Open
Abstract
This study focuses on the optimization of chitin oxidation in C6 to carboxylic acid and its use to obtain a hydrogel with tunable resistance. After the optimization, water-soluble crystalline β-chitin fibrils (β-chitOx) with a degree of functionalization of 10% were obtained. Diverse reaction conditions were also tested for α-chitin, which showed a lower reactivity and a slower reaction kinetic. After that, a set of hydrogels was synthesized from β-chitOx 1 wt.% at pH 9, inducing the gelation by sonication. These hydrogels were exposed to different environments, such as different amounts of Ca2+, Na+ or Mg2+ solutions, buffered environments such as pH 9, PBS, pH 5, and pH 1, and pure water. These hydrogels were characterized using rheology, XRPD, SEM, and FT-IR. The notable feature of these hydrogels is their ability to be strengthened through cation chelation, being metal cations or hydrogen ions, with a five- to tenfold increase in their storage modulus (G'). The ions were theorized to alter the hydrogen-bonding network of the polymer and intercalate in chitin's crystal structure along the a-axis. On the other hand, the hydrogel dissolved at pH 9 and pure water. These bio-based tunable hydrogels represent an intriguing material suitable for biomedical applications.
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Affiliation(s)
| | | | | | | | - Devis Montroni
- Department of Chemistry “Giacomo Ciamician”, University of Bologna, Via F. Selmi 2, 40126 Bologna, Italy; (A.M.); (D.G.); (C.T.); (G.F.)
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Verma Y, Sharma G, Kumar A, Dhiman P, Si C, Stadler FJ. Synthesizing pectin-crosslinked gum ghatti hydrogel for efficient adsorptive removal of malachite green. Int J Biol Macromol 2024; 258:128640. [PMID: 38061515 DOI: 10.1016/j.ijbiomac.2023.128640] [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: 08/27/2023] [Revised: 12/01/2023] [Accepted: 12/03/2023] [Indexed: 12/24/2023]
Abstract
Pectin-crosslinked gum ghatti hydrogel (PGH) has been synthesized utilizing pectin and gum ghatti through an uncomplicated and inexpensive copolymerization method. X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM-elemental mapping), Brunauer-Emmett-Teller (BET), and X-ray photoelectron spectroscopy (XPS) characterization techniques have been employed to determine various structural, chemical and compositional characteristics of fabricated PGH. Three different weight ratios (1:1, 2:1, or 1:2 for pectin and gum ghatti, respectively) were employed to synthesize three distinct types of PGH. Swelling studies has been done to determine the best ratios for PGH fabrication. PGH has been assessed as an adsorbent for the removal of malachite green dye from aqueous solutions. The effects of PGH dosage (100-400 mg/L), dye concentration (10-160 mg/L), pH (2-9 pH), adsorption time (0-480 min), and temperature (25-55 °C) has been examined through batch solutions. According to Langmuir isotherm analysis, the maximum adsorption capacity is 658.1 mg/g. By using pseudo-second-order kinetics and the Freundlich adsorption isotherm, the adsorption process could be well explained. After five consecutive cycles, PGH had an adsorption percentage of 86.917 % for the malachite green dye. It is safe for the environment and may be used to remove malachite green (MG) dye from aqueous solutions.
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Affiliation(s)
- Yaksha Verma
- International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS), Shoolini University, India
| | - Gaurav Sharma
- International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS), Shoolini University, India; College of Materials Science and Engineering, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, Nanshan District Key Lab for Biopolymers and Safety Evaluation, Shenzhen University, Shenzhen 518055, China.
| | - Amit Kumar
- International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS), Shoolini University, India; College of Materials Science and Engineering, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, Nanshan District Key Lab for Biopolymers and Safety Evaluation, Shenzhen University, Shenzhen 518055, China
| | - Pooja Dhiman
- International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS), Shoolini University, India
| | - Chuanling Si
- Tianjin Key Laboratory of Pulp and Paper, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Florian J Stadler
- College of Materials Science and Engineering, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, Nanshan District Key Lab for Biopolymers and Safety Evaluation, Shenzhen University, Shenzhen 518055, China
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7
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Xu X, Guo L, Wang S, Wang X, Ren M, Zhao P, Huang Z, Jia H, Wang J, Lin A. Effective strategies for reclamation of saline-alkali soil and response mechanisms of the soil-plant system. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 905:167179. [PMID: 37730027 DOI: 10.1016/j.scitotenv.2023.167179] [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: 06/06/2023] [Revised: 09/16/2023] [Accepted: 09/16/2023] [Indexed: 09/22/2023]
Abstract
The combination of amendments has emerged as a potential strategy to efficiently alleviate salt stress in saline-alkali soil. However, knowledge regarding how to optimize the proportion of different amendment materials, comprehensively assess the contribution of each component, and clarify the response mechanisms of the amendment-saline-alkali soil-plant system is incomplete. Based on this, we conducted a pot experiment to evaluate the improvement effect of the combined application of different amendment materials at varying levels and the contribution of the amendment components to alleviating salt stress. Overall, T6 exhibited the most significant improvement effect on the physicochemical and biological properties of the saline-alkali soil and promoted the growth of oilseed rape, with the levels of 2.0 % phosphogypsum, 2.0 % humic acid, 0.25 % bentonite, and 0.03 % sodium carboxymethyl cellulose. Compared with the control group, the EC decreased by 1.51 % to 33.49 %, the soil salt content dropped by 11.40 % to 35.46 %, and the soil soluble Na + concentration significantly declined by 39.47 % to 63.20 %. Additionally, the soil nutrient content and soil microbial community structure were enhanced in treatment groups. Meanwhile, amendments alleviated salt stress in the oilseed rape plant by activating anti-oxidative enzymes and osmoregulatory substances such as soluble sugar and proline, thus improving their ability to remove reactive oxygen species (ROS). The anti-oxidative enzymes such as superoxide dismutase (SOD), peroxidase (POD), and catalase (CAT) were significantly increased, with an increase of 10.68 % (SOD, T2) ∼207.31 % (CAT, T6) compared to the control group. The structural equation modeling (SEM) analysis and simulation experiments indicated that the amendment components synergically promoted the amelioration effect on salt stress, and effectively improved soil properties, which affected the response of oilseed rape to soil environment. This research paper provides the relevant reference for the combined application of different amendment materials for soil reclamation.
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Affiliation(s)
- Xin Xu
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Lin Guo
- Shanxi Construction Engineering Group Co., Ltd., Taiyuan 030000, PR China
| | - Shaobo Wang
- Shanxi Construction Engineering Group Co., Ltd., Taiyuan 030000, PR China
| | - Xuanyi Wang
- Engineering of Fluid Mechanics, Coastal and Built Environments, Imperial College London, London SW7 2AZ, UK
| | - Meng Ren
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Pengjie Zhao
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Ziyi Huang
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Hongjun Jia
- Shanxi Construction Engineering Group Co., Ltd., Taiyuan 030000, PR China
| | - Jinhang Wang
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, PR China.
| | - Aijun Lin
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, PR China.
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Kuddushi M, Deng X, Nayak J, Zhu S, Xu BB, Zhang X. A Transparent, Tough and Self-Healable Biopolymeric Composites Hydrogel for Open Wound Management. ACS APPLIED BIO MATERIALS 2023; 6:3810-3822. [PMID: 37624750 DOI: 10.1021/acsabm.3c00455] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/27/2023]
Abstract
Modern healthcare engineering requires a wound dressing solution supported by materials with outstanding features such as high biological compatibility, strong mechanical strength, and higher transparency with effective antibacterial properties. Here, we present a unique hydrogel technology consisting of two negatively charged biopolymers and a positively charged synthetic polymer. The interaction between charged polymers through hydrogen bonds has been created, which are revealed in the simulation by density functional theory and Fourier transform infrared spectra of individual polymers and the hydrogel film. The transparent hydrogel film dressings showed excellent stretchability, a higher water swelling ratio (60%), and strong mechanical strength (∼100 MPa) with self-healing abilities (85-90%). The fabricated hydrogel film showed stable blood clots (within 119 ± 15 s) with rapid hemostasis (<2%) properties and effective antibacterial studies against E. coli and S. aureus bacterial strains. In addition, the obtained hydrogel film also showed excellent cell viability on mouse fibroblast cells. With their enormous amenability to modification, these hydrogel films may serve as promising biomaterials for wound dressing applications.
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Affiliation(s)
- Muzammil Kuddushi
- Department of Chemical and Materials Engineering, University of Alberta, Alberta T6G 1H9, Canada
| | - Xiaoyi Deng
- Department of Chemical and Materials Engineering, University of Alberta, Alberta T6G 1H9, Canada
| | - Jyotsnamayee Nayak
- Department of Chemistry, S.V. National Institute of Technology, Surat 395007, Gujarat India
| | - Sidi Zhu
- Department of Chemical and Materials Engineering, University of Alberta, Alberta T6G 1H9, Canada
| | - Ben Bin Xu
- Mechanical and Construction Engineering, Faculty of Engineering and Environment, Northumbria University, Newcastle Upon Tyne, NE1 8ST, U.K
| | - Xuehua Zhang
- Department of Chemical and Materials Engineering, University of Alberta, Alberta T6G 1H9, Canada
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García MM, Yepes PM, Sánchez HV, Hernández HC. Blends of nitrophenylmaleimide isomers with carboxymethylcellulose for the preparation of supramolecular polymers. Heliyon 2023; 9:e16108. [PMID: 37215785 PMCID: PMC10192847 DOI: 10.1016/j.heliyon.2023.e16108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 05/03/2023] [Accepted: 05/05/2023] [Indexed: 05/24/2023] Open
Abstract
Novel water-compatible supramolecular polymers (WCSP) based on the non-covalent interaction between carboxymethylcellulose (CMC) and o, m, and p-nitrophenylmaleimide isomers are proposed. The non-covalent supramolecular polymer was obtained from high viscosity CMC with a degree of substitution 1.03 with o, m, and p-nitrophenylmaleimide molecules that were synthesized from maleic anhydride and its corresponding nitroaniline. Subsequently, blends were made at different nitrophenylmaleimide concentrations, stirring rate, and temperatures, with 1.5% CMC, to select the best conditions for each case and to evaluate the rheological properties. The selected blends were used to form films and analyze spectroscopic, physicochemical, and biological properties. Then, the interaction between a CMC monomer and each isomer of nitrophenylmaleimide was investigated using quantum chemistry computational calculations with the B3LYP/6-311 + G (d,p) method, providing a detailed explanation of their intermolecular interactions. The supramolecular polymers obtained exhibit an increase in viscosity of blends between 20% and 30% compared to CMC, a shift in the wavenumber of the OH infrared band by approximately 66 cm-1, and the first decomposition peak at the glass transition temperature occurring between 70 and 110 °C. These changes in properties are attributed to the formation of hydrogen bonds between the species. However, the degree of substitution and the viscosity of the CMC affects the physical, chemical, and biological properties of the polymer obtained. The supramolecular polymers are biodegradable regardless of the type of blends made and are easily obtainable. Notably, the CMC with m-nitrophenylmaleimide yields the polymer with the best properties.
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Affiliation(s)
- Maribel Montoya García
- Photocatalysis and Solid-state Research Group, School of Chemistry, Universidad Tecnológica de Pereira, Pereira, 660003, Colombia
| | | | - Hoover Valencia Sánchez
- Photocatalysis and Solid-state Research Group, School of Chemistry, Universidad Tecnológica de Pereira, Pereira, 660003, Colombia
| | - Héctor Cortés Hernández
- Photocatalysis and Solid-state Research Group, School of Chemistry, Universidad Tecnológica de Pereira, Pereira, 660003, Colombia
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Akhila K, Ramakanth D, Rao LL, Gaikwad KK. UV-blocking biodegradable film based on flaxseed mucilage/pectin impregnated with titanium dioxide and calcium chloride for food packaging applications. Int J Biol Macromol 2023; 239:124335. [PMID: 37028623 DOI: 10.1016/j.ijbiomac.2023.124335] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 03/31/2023] [Accepted: 04/01/2023] [Indexed: 04/08/2023]
Abstract
A UV blocking and potentially biodegradable composite films are fabricated from flax seed mucilage and pectin with different concentrations of titanium dioxide (TiO2) and crosslinked with calcium chloride (CaCl2). This study aimed to evaluate the physical, surface, and optical properties including color, potential biodegradability, and absorption kinetics of the developed film. From the observations made, addition of 5 wt% TiO2 enhanced UV barrier property with a total color change (ΔE) of 23.441 ± 0.54 and increased its crystallinity to 54.1 % from 43.6 %. Crosslinking agent and TiO2 resulted in a prolonged period of biodegradation of >21 days when compared to neat film. Also, swelling index of crosslinked film was reduced by 3 times of non-crosslinked films. Surface of the developed films has no cracks and agglomerates as observed from scanning electron microscope. Moisture absorption kinetic study reveals that all the films have best-fit data following a pseudo-second-order kinetic model with a correlation coefficient ≥0.99 and the rate was controlled by inter-particle diffusion. The film with 1 wt% TiO2 and 5 wt% CaCl2 showed the lowest rate constants (k1) of 0.27 and (k2) of 0.029. The results suggest that this film can be potentially used in food packaging as a UV-blocking layer with potential biodegradability and good moisture resistance as compared to pure flax seed mucilage or pectin films.
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11
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Moon EC, Kang YR, Chang YH. Development of soy protein isolate/sodium carboxymethyl cellulose synbiotic microgels by double crosslinking with transglutaminase and aluminum chloride for delivery system of Lactobacillus acidophilus. Int J Biol Macromol 2023; 237:124122. [PMID: 36963536 DOI: 10.1016/j.ijbiomac.2023.124122] [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: 11/22/2022] [Revised: 01/25/2023] [Accepted: 03/17/2023] [Indexed: 03/26/2023]
Abstract
This study was carried out to develop soy protein isolate (SPI)/sodium carboxymethyl cellulose (NaCMC) synbiotic microgels by applying a double-crosslinking technique using transglutaminase and different concentrations of AlCl3 (0, 6, 7, 8 %) and also by adding Lactobacillus acidophilus (L. acidophilus) and pectic oligosaccharide. Synbiotic microgels crosslinked using 8 % AlCl3 (SPI/NaCMC-Al3+8 microgels) showed the highest encapsulation efficiency (92 %). The double-crosslinked microgels exhibited a smooth surface as proved by SEM. FT-IR, XRD, and DSC analyses showed the possible interaction within matrices and demonstrated the higher thermal stability of synbiotic microgels prepared using a higher concentration of AlCl3. All in all, after exposure to simulated digestion fluid, heat treatment (72 °C, 15 s), and refrigerated storage, more cells in double-crosslinked microgels survived compared to single-crosslinked microgels. In particular, probiotic viability was highest in SPI/NaCMC-Al3+8 microgels. These results indicate that the SPI/NaCMC-Al3+8 microgels developed in this study can effectively protect L. acidophilus against the external environment.
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Affiliation(s)
- Eun Chae Moon
- Department of Food and Nutrition, Bionanocomposite Research Center, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Yu-Ra Kang
- Department of Food and Nutrition, Bionanocomposite Research Center, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Yoon Hyuk Chang
- Department of Food and Nutrition, Bionanocomposite Research Center, Kyung Hee University, Seoul 02447, Republic of Korea.
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12
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Guo Y, Wang M, Liu Q, Liu G, Wang S, Li J. Recent advances in the medical applications of hemostatic materials. Theranostics 2023; 13:161-196. [PMID: 36593953 PMCID: PMC9800728 DOI: 10.7150/thno.79639] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 11/14/2022] [Indexed: 12/03/2022] Open
Abstract
Bleeding caused by trauma or surgery is a serious health problem, and uncontrollable bleeding can result in death. Therefore, developing safe, effective, and convenient hemostatic materials is important. Active hemostatic agents currently used to investigate the field of hemostasis are divided into four broad categories: natural polymers, synthetic polymers, inorganic materials, and metal-containing materials. Hemostatic materials are prepared in various forms for wound care applications based on the active ingredients used. These materials include nanofibers, gels, sponges, and nanoparticles. Hemostatic materials find their applications in the field of wound care, and they are also used for hemostasis during malignant tumor surgery. Prompt and effective hemostasis can reduce the possibility of the spread of tumor cells with blood. This review discusses the outcomes of current research conducted in the field and the problems persisting in the field of developing hemostatic materials. The review also presents a platform for the further development of hemostatic materials. Bleeding caused by trauma or surgery is a serious health problem, and uncontrollable bleeding can result in death. Therefore, developing safe, effective, and convenient hemostatic materials is important. Active hemostatic agents currently used to investigate the field of hemostasis are divided into four broad categories: natural polymers, synthetic polymers, inorganic materials, and metal-containing materials. Hemostatic materials are prepared in various forms for wound care applications based on the active ingredients used. These materials include nanofibers, gels, sponges, and nanoparticles. Hemostatic materials find their applications in the field of wound care, and they are also used for hemostasis during malignant tumor surgery. Prompt and effective hemostasis can reduce the possibility of the spread of tumor cells with blood. This review discusses the outcomes of current research conducted in the field and the problems persisting in the field of developing hemostatic materials. The review also presents a platform for the further development of hemostatic materials.
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Affiliation(s)
- Yu Guo
- Department of the General Surgery, Jilin University Second Hospital, Changchun, China
| | - Min Wang
- Department of the General Surgery, Jilin University Second Hospital, Changchun, China
| | - Qi Liu
- Department of the General Surgery, Jilin University Second Hospital, Changchun, China
| | - Guoliang Liu
- Department of Operating Theater and Anesthesiology, Jilin University Second Hospital, Changchun, China
| | - Shuang Wang
- Department of the Dermatology, Jilin University Second Hospital, Changchun, China.,✉ Corresponding authors: Shuang Wang, E-mail: , Department of the Dermatology, Jilin University Second Hospital, Changchun, China. Jiannan Li, E-mail: , Department of the General Surgery, Jilin University Second Hospital, Changchun, China
| | - Jiannan Li
- Department of the General Surgery, Jilin University Second Hospital, Changchun, China.,✉ Corresponding authors: Shuang Wang, E-mail: , Department of the Dermatology, Jilin University Second Hospital, Changchun, China. Jiannan Li, E-mail: , Department of the General Surgery, Jilin University Second Hospital, Changchun, China
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Xiong J, Zhan T, Hu Y, Guo Z, Wang S. A tough, stretchable, freeze-tolerated double-cross-linked conductive hydrogel and its application in flexible strain sensors. Colloid Polym Sci 2022. [DOI: 10.1007/s00396-022-05045-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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14
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Ghafori Gorab M, Aliabadi HAM, Kashtiaray A, Mahdavi M, Bani MS, Etminan A, Salehpour N, Eivazzadeh-Keihan R, Maleki A. Decoration of graphene oxide nanosheets with carboxymethylcellulose hydrogel, silk fibroin and magnetic nanoparticles for biomedical and hyperthermia applications. NANOSCALE ADVANCES 2022; 5:153-159. [PMID: 36605797 PMCID: PMC9765466 DOI: 10.1039/d2na00394e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Accepted: 11/13/2022] [Indexed: 06/17/2023]
Abstract
In this study, an efficient nanobiocomposite based on graphene oxide (GO), carboxymethylcellulose (CMC) hydrogel, silk fibroin (SF), and Fe3O4 nanoparticles was synthesized. For this purpose and in order to provide a suitable scaffold for the nanobiocomposite, GO was functionalized with a CMC hydrogel via covalent bonding. In the next step, SF was added to the synthesized structure to increase biocompatibility and biodegradability. Fe3O4 was added into the structure by an in situ process and the GO-CMC hydrogel/SF/Fe3O4 nanobiocomposite was synthesized. The synthesized structure was evaluated in terms of toxicity and hemocompatibility and finally, it was used in the hyperthermia technique. This nanocomposite did not destroy healthy HEK293T cells after 48 h and 72 h, while it did annihilate BT549 cancer cells. The GO-CMC hydrogel/SF/Fe3O4 nanobiocomposite has EC50 values of 0.01466 and 0.1415 against HEK293T normal cells and BT549 cancer cells, respectively (after 72 h). The nanocomposite has good potential in hyperthermia applications and at a concentration and a frequency of 1 mg mL-1 and 400 kHz it has a SAR of 67.7 W g-1.
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Affiliation(s)
- Mostafa Ghafori Gorab
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran +98-21-73021584 +98-21-73228313
| | | | - Amir Kashtiaray
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran +98-21-73021584 +98-21-73228313
| | - Mohammad Mahdavi
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences Tehran Iran
| | - Milad Salimi Bani
- Department of Biomedical Engineering, Faculty of Engineering, University of Isfahan Isfahan Iran
| | - Andisheh Etminan
- School of Mechanical Engineering, Iran University of Science and Technology (IUST) Tehran Iran
| | - Nabi Salehpour
- Department of Medical Biotechnology, Pasteur Institute of Iran Tehran Iran
| | - Reza Eivazzadeh-Keihan
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran +98-21-73021584 +98-21-73228313
| | - Ali Maleki
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran +98-21-73021584 +98-21-73228313
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Zhai Z, Su J, Ali A, Xu L, Wahid F. Biological denitrification potential of cellulase-producing Cupriavidus sp. ZY7 and denitrifying Aquabacterium sp. XL4 at low carbon-to-nitrogen ratio: Performance and synergistic properties. BIORESOURCE TECHNOLOGY 2022; 360:127600. [PMID: 35820558 DOI: 10.1016/j.biortech.2022.127600] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 07/05/2022] [Accepted: 07/06/2022] [Indexed: 06/15/2023]
Abstract
This study emphasizes on the cellulase production characteristics of strain ZY7 and its collaboration with nitrate-dependent ferrous oxidizing (NFO) strain XL4 to achieve efficient denitrification at low carbon-to-nitrogen (C/N) ratio. Results indicated that the denitrification efficiency increased from 65.47 to 97.99% at 24 h after co-culture at C/N of 1.0. Three-dimensional fluorescence excitation-emission matrix (3D-EEM) showed significant changes in the intensity of soluble microbial products (SMP), fulvic-like materials, and aromatic proteins after co-culture. Bio-precipitates were characterized by Scanning electron microscope (SEM), Fourier transform infrared spectrometer (FTIR), and X-ray diffraction (XRD), which showed that cellulose structure was disrupted and the metabolites were potential carbon source for denitrification. In addition, cellulase activity suggested that the hydrolysis of β-1,4-glycosidic bonds and oligosaccharides may be the rate-limiting steps in cellulose degradation. This work promoted the understanding of denitrification characteristics of co-culture and expanded the application of cellulose degrading bacteria in sewage treatment.
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Affiliation(s)
- Zhenyu Zhai
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China; Shaanxi Key Laboratory of Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
| | - Junfeng Su
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China; Shaanxi Key Laboratory of Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China.
| | - Amjad Ali
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China; Shaanxi Key Laboratory of Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
| | - Liang Xu
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China; Shaanxi Key Laboratory of Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
| | - Fazli Wahid
- Department of Agriculture, The University of Swabi, Swabi 23561, Pakistan
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Mahdy SR, Awadallah‐F A, Khalil SA. Radiation initiated synthesis of (carboxymethyl cellulose/polyacryalmide) hydrogels with polyprotic acid moieties and their utilization in nicotinic acid release. POLYM ADVAN TECHNOL 2022. [DOI: 10.1002/pat.5821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Sanna R. Mahdy
- Radiation Chemistry Department National Centre for Radiation Research and Technology, Egyptian Atomic Energy Authority Cairo Egypt
| | - Ahmed Awadallah‐F
- Radiation Research of Polymer Department National Centre for Radiation Research and Technology, Egyptian Atomic Energy Authority Cairo Egypt
| | - Salwa A. Khalil
- Radiation Chemistry Department National Centre for Radiation Research and Technology, Egyptian Atomic Energy Authority Cairo Egypt
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17
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Zhang J, Wang Q, Shan Y, Guo Y, Mu W, Wei K, Sun Y. Effect of Sodium Carboxymethyl Cellulose on Water and Salt Transport Characteristics of Saline-Alkali Soil in Xinjiang, China. Polymers (Basel) 2022; 14:polym14142884. [PMID: 35890661 PMCID: PMC9316802 DOI: 10.3390/polym14142884] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 07/14/2022] [Accepted: 07/15/2022] [Indexed: 11/16/2022] Open
Abstract
The scientific use of sodium carboxymethyl cellulose (CMC) to improve the production capacity of saline-alkali soil is critical to achieve green agriculture and sustainable land use. It serves as a foundation for the scientific use of CMC to clarify the water and salt transport characteristics of CMC-treated soil. In this study, a one-dimensional soil column infiltration experiment was carried out to investigate the effects of different CMC dosages (0, 0.2, 0.4, 0.6, and 0.8 g/kg) on the infiltration characteristics, infiltration model parameters, water and salt distribution, and salt leaching of saline-alkali soil in Xinjiang, China. The results showed that the final cumulative infiltration of CMC-treated soil increased by 8.63-20.72%, and the infiltration time to reach the preset wetting front depth increased by 1.02-3.96 times. The sorptivity (S) in the Philip infiltration model and comprehensive shape coefficient (α) in the algebraic infiltration model showed a trend of increasing first and then decreasing with CMC dosage, revealing a quadratic polynomial relationship. The algebraic model could accurately simulate the water content profile of CMC-treated soil. CMC enhanced the soil water holding capacity and salt leaching efficiency. The average soil water content, desalination rate, and leaching efficiency were increased by 5.18-15.54%, 21.17-57.15%, and 11.61-30.18%, respectively. The effect of water retention and salt inhibition on loamy sand was the best when the CMC dosage was 0.6 g/ kg. In conclusion, the results provide a theoretical basis for the rational application of CMC to improve saline-alkali soil in arid areas.
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Affiliation(s)
- Jihong Zhang
- State Key Laboratory of Eco-Hydraulics in Northwest Arid Region of China, Xi’an University of Technology, Xi’an 710048, China; (J.Z.); (Y.S.); (Y.G.); (W.M.); (K.W.); (Y.S.)
- College of Water Resources and Architectural Engineering, Shihezi University, Shihezi 832000, China
- Key Laboratory of Modern Water-Saving Irrigation of Xinjiang Production and Construction Corps, Shihezi University, Shihezi 832000, China
- Key Laboratory of Northwest Oasis Water-Saving Agriculture, Ministry of Agriculture and Rural Affairs, Shihezi University, Shihezi 832000, China
| | - Quanjiu Wang
- State Key Laboratory of Eco-Hydraulics in Northwest Arid Region of China, Xi’an University of Technology, Xi’an 710048, China; (J.Z.); (Y.S.); (Y.G.); (W.M.); (K.W.); (Y.S.)
- Correspondence:
| | - Yuyang Shan
- State Key Laboratory of Eco-Hydraulics in Northwest Arid Region of China, Xi’an University of Technology, Xi’an 710048, China; (J.Z.); (Y.S.); (Y.G.); (W.M.); (K.W.); (Y.S.)
| | - Yi Guo
- State Key Laboratory of Eco-Hydraulics in Northwest Arid Region of China, Xi’an University of Technology, Xi’an 710048, China; (J.Z.); (Y.S.); (Y.G.); (W.M.); (K.W.); (Y.S.)
| | - Weiyi Mu
- State Key Laboratory of Eco-Hydraulics in Northwest Arid Region of China, Xi’an University of Technology, Xi’an 710048, China; (J.Z.); (Y.S.); (Y.G.); (W.M.); (K.W.); (Y.S.)
| | - Kai Wei
- State Key Laboratory of Eco-Hydraulics in Northwest Arid Region of China, Xi’an University of Technology, Xi’an 710048, China; (J.Z.); (Y.S.); (Y.G.); (W.M.); (K.W.); (Y.S.)
| | - Yan Sun
- State Key Laboratory of Eco-Hydraulics in Northwest Arid Region of China, Xi’an University of Technology, Xi’an 710048, China; (J.Z.); (Y.S.); (Y.G.); (W.M.); (K.W.); (Y.S.)
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18
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Purwoko D, Safarrida A, Tajuddin T, Rupaedah B, Suyono A, Wahid A, Sugianto M, Suja'i I. Metagenomic data of microbial in natural empty fruit bunches degradation. Data Brief 2022; 41:107967. [PMID: 35242946 PMCID: PMC8881682 DOI: 10.1016/j.dib.2022.107967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 02/09/2022] [Accepted: 02/14/2022] [Indexed: 11/22/2022] Open
Abstract
Oil palm empty fruit bunches (OPEFB) are the lignocellulosic complex organic waste material from palm oil mills that is cheap, environmentally friendly, and abundant in Indonesia. Slow degradation of OPEFB becomes a problem for oil palm plantations. OPEFB which has decayed naturally for 6 months, 1 year, and 2 years were obtained from the Oil Palm Plantation, PTPN VIII Cikasungka, Bogor, Indonesia. In this study, fungal and bacterial diversity in naturally decaying OPEFB in plantations was identified using Illumina MiSeq sequencing of the ITS2 for fungal, the V3 region of the 16S rRNA gene, and the V4 region of the 18S rRNA gene for bacterial. Bacterial diversity in decaying OPEFB was dominated by the phylum Planctomycetes (40-60%), whereas most of the fungal sequences taken belonged to Ascomycota (60-90%). Biodiversity profile resulting from metagenomic analysis is useful for increasing knowledge about microbial composition in the natural degradation process of OPEFB. The resulting data can be used to compare the diversity of bacteria at different weathering times and depths. In-depth observation of the diversity of lignin-degrading microbes from the natural decomposition of OPEFB has the potential to discover novel enzymes and ligninolytic activities that are useful for the fast degradation of OPEFB, production of biofuels based on enzymatic technology, and the development of high value-added biomass products.
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Affiliation(s)
- Devit Purwoko
- Center for Biotechnology- Assessment and Application of Technology Research Organization, The National Research and Innovation Agency, Building No. 630 PUSPIPTEK South Tangerang Banten 15314, Indonesia
| | - Anna Safarrida
- Center for Biotechnology- Assessment and Application of Technology Research Organization, The National Research and Innovation Agency, Building No. 630 PUSPIPTEK South Tangerang Banten 15314, Indonesia
| | - Teuku Tajuddin
- Center for Biotechnology- Assessment and Application of Technology Research Organization, The National Research and Innovation Agency, Building No. 630 PUSPIPTEK South Tangerang Banten 15314, Indonesia
| | - Bedah Rupaedah
- Center for Biotechnology- Assessment and Application of Technology Research Organization, The National Research and Innovation Agency, Building No. 630 PUSPIPTEK South Tangerang Banten 15314, Indonesia
| | - Agus Suyono
- Center for Biotechnology- Assessment and Application of Technology Research Organization, The National Research and Innovation Agency, Building No. 630 PUSPIPTEK South Tangerang Banten 15314, Indonesia
| | - Abdul Wahid
- Center for Biotechnology- Assessment and Application of Technology Research Organization, The National Research and Innovation Agency, Building No. 630 PUSPIPTEK South Tangerang Banten 15314, Indonesia
| | - Mahmud Sugianto
- Center for Biotechnology- Assessment and Application of Technology Research Organization, The National Research and Innovation Agency, Building No. 630 PUSPIPTEK South Tangerang Banten 15314, Indonesia
| | - Imam Suja'i
- Center for Biotechnology- Assessment and Application of Technology Research Organization, The National Research and Innovation Agency, Building No. 630 PUSPIPTEK South Tangerang Banten 15314, Indonesia
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