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Zhao Y, Yu C, Chen P, Mou P, Chen J, Gao G, Wang X, Zhu A, Chen K. Study on remediation of cadmium contaminated paddy field by ramie ( Boehmeria nivea L.) floating island and its supporting technology. Environ Res 2024; 242:117798. [PMID: 38040175 DOI: 10.1016/j.envres.2023.117798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 11/23/2023] [Accepted: 11/24/2023] [Indexed: 12/03/2023]
Abstract
Ramie (Boehmeria nivea L.) is an ideal crop for cadmium (Cd) pollution remediation due to its advantages of both remediating and utilizing, however, it is mainly carried out in dry land, whose restoration effect is relatively slow. Previously, we found that the ramie plants cultivated by hydroponics has several tens of times higher Cd absorption capacity than that planted in soil. However, the issue of how to use hydroponic ramie to remediate Cd contaminated paddy fields needs to be addressed. In this study, we innovatively developed the ramie floating island technology and studied its remediation model on simulated Cd contaminated paddy fields. Different ramie varieties were used to compare the remediation effects, and the results showed that there were differences in adaptability among different varieties on floating islands and the remediation ability of the tested ramie varieties was Z2 > Z1 > Z3. Different harvested times were set to analyze the effects of harvested model on remediation, and it was suggested that multiple harvests can be carried out according to the plant growth status of ramie floating island after 30 days of remediation to achieve better remediation effects. Low water level height (5 cm) of paddy field was beneficial for the accumulation of Cd in the roots, but considering the adaptability of various ramie varieties and the effect of long-term restoration, it was recommended that the water level height of 20 cm for the cultivation of ramie floating island was more suitable. Moreover, we found that low concentration of citric acid (≤2 g L-1) or polyaspartic acid (≤3 g L-1) can improve the remediation effects for ramie floating island. Our study opens up a novel approach for ramie to remediate heavy metal pollution and provides a technical reference for water body Cd remediation by plants.
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Affiliation(s)
- Yijia Zhao
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, China.
| | - Chunming Yu
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, China.
| | - Ping Chen
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, China.
| | - Pan Mou
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, China.
| | - Jikang Chen
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, China.
| | - Gang Gao
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, China.
| | - Xiaofei Wang
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, China.
| | - Aiguo Zhu
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, China.
| | - Kunmei Chen
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, China.
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Lu CY, Huang ZY, Chen MC, Liu HK, Lee SS, Chang CC. Isolation of GLP-1 enhancing indolizidine alkaloids from Boehmeria formosana. J Food Drug Anal 2023; 31:739-771. [PMID: 38526826 PMCID: PMC10962671 DOI: 10.38212/2224-6614.3483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 11/07/2023] [Indexed: 03/27/2024] Open
Abstract
Boehmeria formosana, with its related species, demonstrates anti-glycemic effect, inhibition of HBV production, anti-cancer activities, etc. Some indolizidine alkaloids from the same genus are bioactive but sensitive to light. To overcome this problem and obtain more phenanthroindolizidine alkaloids, isolation was performed in darkness, yielding 10 new indolizidine alkaloids and 17 known compounds. Among them, seven enhanced glucagon-like receptor 1 (GLP-1) activity at 50 mM, especially 14 and 6 (3.5- and 2.3-fold than the negative control). This procedure yielded bioactive indolizidine alkaloids with novel structures.
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Affiliation(s)
- Ching-Yi Lu
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei 10050,
Taiwan
| | - Zheng-Ying Huang
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei 10050,
Taiwan
| | - Meng-Chin Chen
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei 10050,
Taiwan
| | - Hui-Kang Liu
- National Research Institute of Chinese Medicine, Taipei 11221,
Taiwan
| | - Shoei-Sheng Lee
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei 10050,
Taiwan
| | - Chia-Chuan Chang
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei 10050,
Taiwan
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Li M, Chen X, Chen C, Huang L, Chi H, Zhao N, Yan B, Chao Y, Tang Y, Qiu R, Wang S. The effectiveness of sewage sludge biochar amendment with Boehmeria nivea L. in improving physicochemical properties and rehabilitating microbial communities in mine tailings. J Environ Manage 2023; 345:118552. [PMID: 37418823 DOI: 10.1016/j.jenvman.2023.118552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 06/24/2023] [Accepted: 06/28/2023] [Indexed: 07/09/2023]
Abstract
Biochar amendment can be adopted to improve soil substrate, in turn facilitated phytoremediation. However, improvements to the properties of tailings following different feedstocks of biochar amendment in phytoremediation, particularly the impacts on nitrogen cycle and the related nitrogen-fixing microorganisms remain unclear. In this study, a 100-day pot experiment was designed to determine the co-effects of different combinations of woody and non-woody biochar, namely hibiscus cannabinus core biochar (HB), sewage sludge biochar (SB), chicken manure biochar (MB) and two crops (Cassia alata L., Boehmeria nivea L.). It was found that, on the one hand, biochar amendment directly immobilized heavy metal (loid) contamination in the tailings; on the other hand, biochar amendment, particularly non-woody SB, improved soil properties (i.e., the combination of SB with crops increased the total nitrogen content by 4.7-7.5 times). This indirectly improved phytostabilization (i.e., SB increased crop height 1.5-1.8 fold, root length 3.3-3.7 fold, decreased NH4NO3-extractable Pb, Cu, Cd and also increased the relative abundance of nitrogen-fixing bacteria such as Mesorhizobium, Bradyrhizobium, and Rhizobium). Besides this, redundant analysis shown that the carbon, nitrogen sources, and pH provided by the biochar were identified as the key factors associated with the nitrogen-fixing bacteria. Through the comprehensive evaluation of different biochar amendment in phytoremediation, it was found that the non-woody SB got higher comprehensive score (3.1-3.6) in biochar amendment in phytoremediation, especially in Boehmeria nivea L. Thus, the combination of non-woody SB and Boehmeria nivea L. improved microbial function, while the microorganisms in turn promoted crop growth. Our results revealed the prospect of using non-woody SB assisted Boehmeria nivea L. for phytoremediation in multi-metal mine tailings.
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Affiliation(s)
- Mengyao Li
- School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou, 510006, China
| | - Xiaoting Chen
- School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou, 510006, China
| | - Chiyu Chen
- School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou, 510006, China
| | - Lige Huang
- School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou, 510006, China
| | - Haochun Chi
- School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou, 510006, China
| | - Nan Zhao
- School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou, 510006, China; Guangdong Provincial Engineering Research Center for Heavy Metal Contaminated Soil Remediation, Sun Yat-sen University, Guangzhou, 510006, China
| | - Bofang Yan
- School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou, 510006, China; Guangdong Provincial Engineering Research Center for Heavy Metal Contaminated Soil Remediation, Sun Yat-sen University, Guangzhou, 510006, China
| | - Yuanqing Chao
- School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou, 510006, China; Guangdong Provincial Engineering Research Center for Heavy Metal Contaminated Soil Remediation, Sun Yat-sen University, Guangzhou, 510006, China
| | - Yetao Tang
- School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou, 510006, China; Guangdong Provincial Engineering Research Center for Heavy Metal Contaminated Soil Remediation, Sun Yat-sen University, Guangzhou, 510006, China
| | - Rongliang Qiu
- School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou, 510006, China; Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, College of Natural Resources and Environment, South China Agricultural University, Guangzhou, 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510642, China
| | - Shizhong Wang
- School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou, 510006, China; Guangdong Provincial Engineering Research Center for Heavy Metal Contaminated Soil Remediation, Sun Yat-sen University, Guangzhou, 510006, China.
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Chen C, Xiang J, Yuan J, Shao S, Rehman M, Peng D, Liu L. Comparative biochemical and transcriptomic analysis reveals the phosphate-starving tolerance of two ramie varieties. Plant Physiol Biochem 2023; 202:107979. [PMID: 37643556 DOI: 10.1016/j.plaphy.2023.107979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 08/16/2023] [Accepted: 08/17/2023] [Indexed: 08/31/2023]
Abstract
Ramie (Boehmeria nivea L.) is a highly valued fiber crop. Its yield is often limited by lack of available phosphate (Pi) in the soil, but the underlying molecular mechanisms of ramie's response to Pi deficiency remain largely unknown. To investigate how ramie adapts to low Pi stress, we selected a low Pi-tolerant variety (H-5) and a low Pi-sensitive variety (XYL), and conducted a biochemical and transcriptomic analysis on roots and leaves of both varieties. After subjecting the plants to Pi-deficient and Pi-sufficient conditions for 15 days, we found that H-5 exhibited higher dry weight, longer root systems, and higher levels of Pi, galactolipids, and organic acids when subjected to Pi deprivation, compared to XYL. Transcriptomic analysis further revealed that Pi-responsive genes involved in lipid metabolism, Pi transport, organic acid synthesis, and acid phosphatase activities were more induced in the tolerant variety H-5. Furthermore, weighted gene co-expression network analysis (WGCNA) identified five hub genes, including phosphate transporter, SPX domain-containing protein and sulfoquinovosyl transferase, which played key roles in low Pi tolerance in ramie. The present study will broaden our comprehension of the differences and molecular mechanisms of different ramie cultivars in response to Pi starvation, and lay a foundation for future agronomic improvements in ramie and other fiber crops.
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Affiliation(s)
- Chen Chen
- MOA Key Laboratory of Crop Ecophysiology and Farming Systems in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Jiaming Xiang
- MOA Key Laboratory of Crop Ecophysiology and Farming Systems in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China; Institute of ZheJiang University, Quzhou, China
| | - Jinzhan Yuan
- MOA Key Laboratory of Crop Ecophysiology and Farming Systems in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Shuai Shao
- MOA Key Laboratory of Crop Ecophysiology and Farming Systems in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Muzammal Rehman
- MOA Key Laboratory of Crop Ecophysiology and Farming Systems in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China; Key Laboratory of Agro-environment and Agric-products safety, Key Laboratory of Crop Genetic Breeding and Germplasm Innovation, College of Agriculture, Guangxi University, Nanning, 530004, China
| | - Dingxiang Peng
- MOA Key Laboratory of Crop Ecophysiology and Farming Systems in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Lijun Liu
- MOA Key Laboratory of Crop Ecophysiology and Farming Systems in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China.
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Müller DT, Brunner S, Straatman J, Babic B, Eckhoff JA, Reisewitz A, Storms C, Schiffmann LM, Schmidt T, Schröder W, Bruns CJ, Fuchs HF. Analysis of training pathway to reach expert performance levels based on proficiency-based progression in robotic-assisted minimally invasive esophagectomy (RAMIE). Surg Endosc 2023; 37:7305-7316. [PMID: 37580580 PMCID: PMC10462523 DOI: 10.1007/s00464-023-10308-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Accepted: 07/12/2023] [Indexed: 08/16/2023]
Abstract
BACKGROUND Robotic-assisted minimally invasive esophagectomy (RAMIE) was first introduced in 2003 and has since then shown to significantly improve the postoperative course. Previous studies have shown that a structured training pathway based on proficiency-based progression using individual skill levels as measures of reach of competence can enhance surgical performance. The aim of this study was to evaluate and help understand our pathway to reach surgical expert levels using a proficiency-based approach introducing RAMIE at our German high-volume center. METHODS All patients undergoing RAMIE performed by two experienced surgeons for esophageal cancer since the introduction of the robotic technique in 2017 was included in this analysis. Intraoperative outcomes and postoperative outcomes were included in the analysis. The cumulative sum method was used to analyze how many cases are needed to reach expert levels for different performance characteristics and skill sets during robotic-assisted minimally invasive esophagectomy. RESULTS From 06/2017 to 03/2022, a total of 154 patients underwent RAMIE at our facility and were included in the analysis. An advancement in performance level was observed for total operating time after 70 cases and for thoracic operative time after 79 cases. Lymph node yield showed an increase up until case 60 in the CUSUM analysis. Length of hospital stay stabilized after case 55. The CCI score inflection point was at case 55 in both CUSUM and regression analyses. Anastomotic leak rate stabilized at case 38 and showed another inflection point after case 83. CONCLUSION Our data and analysis showed the progression from proficient to expert performance levels during the implementation of RAMIE at a European high-volume center. Further analysis of surgeons, especially with a different training status has yet to reveal if the caseloads found in this study are universally applicable. However, skill acquisition and respective measures of such are diverse and as a great range of number of cases was observed, we believe that the learning curve and ascent in performance levels cannot be defined by one parameter alone.
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Affiliation(s)
- Dolores T Müller
- Department for General, Visceral, Cancer and Transplant Surgery, Faculty of Medicine and University Hospital Cologne, University of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - Stefanie Brunner
- Department for General, Visceral, Cancer and Transplant Surgery, Faculty of Medicine and University Hospital Cologne, University of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - Jennifer Straatman
- Afdeling Heelkunde, Amsterdam Universitair Medisch Centrum, Amsterdam, The Netherlands
| | - Benjamin Babic
- Center for Esophagogastric Cancer Surgery, St. Elisabethen Hospital Frankfurt, Frankfurt, Germany
| | - Jennifer A Eckhoff
- Department for General, Visceral, Cancer and Transplant Surgery, Faculty of Medicine and University Hospital Cologne, University of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - Alissa Reisewitz
- Department for General, Visceral, Cancer and Transplant Surgery, Faculty of Medicine and University Hospital Cologne, University of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - Christian Storms
- Department for General, Visceral, Cancer and Transplant Surgery, Faculty of Medicine and University Hospital Cologne, University of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - Lars M Schiffmann
- Department for General, Visceral, Cancer and Transplant Surgery, Faculty of Medicine and University Hospital Cologne, University of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - Thomas Schmidt
- Department for General, Visceral, Cancer and Transplant Surgery, Faculty of Medicine and University Hospital Cologne, University of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - Wolfgang Schröder
- Department for General, Visceral, Cancer and Transplant Surgery, Faculty of Medicine and University Hospital Cologne, University of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - Christiane J Bruns
- Department for General, Visceral, Cancer and Transplant Surgery, Faculty of Medicine and University Hospital Cologne, University of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - Hans F Fuchs
- Department for General, Visceral, Cancer and Transplant Surgery, Faculty of Medicine and University Hospital Cologne, University of Cologne, Kerpener Str. 62, 50937, Cologne, Germany.
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Luo L, Yu W, Yi Y, Xing C, Zeng L, Yang Y, Wang H, Tang Z, Tan Z. The influence of residual pectin composition and content on nanocellulose films from ramie fibers: Micro-nano structure and physical properties. Int J Biol Macromol 2023; 247:125812. [PMID: 37453632 DOI: 10.1016/j.ijbiomac.2023.125812] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 06/16/2023] [Accepted: 06/28/2023] [Indexed: 07/18/2023]
Abstract
In this study, cellulose nanofibril (CNF) films from ramie fibers were prepared with different pectin compositions and contents, and the influence of residual pectin on the overall performances of CNF films was evaluated. There was no significant effect of the residual pectin composition on the properties of obtained CNF films. However, when the content of residual pectin was increased from 0.45 % to 9.16 %, the surface area and water absorption of CNF films were increased from 0.2223 to 0.3300 m2/g, and from 93.51 % to 122.42 %, respectively. Pectin covers the CNF surface and act as a physical barrier between the cellulose fibrils; thus the nanocellulose films with high pectin content will have a loose and porous structure, resulting in a high surface area and a high water absorption. Besides, with the residual pectin content decreasing from 9.16 % to 0.45 %, the UVA light transmittance and tensile strength of CNF films were increased from 30.6 % to 59.9 %, and from 37.67 to 100.26 MPa, respectively. After removal of amorphous pectins in CNFs, the low pectin containing CNFs are able to pack more compactly to form a strong and thin film. This paper provides guidance for the preparation of CNF films with different performance requirements.
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Affiliation(s)
- Liru Luo
- College of Food Science and Technology, Hunan Agricultural University, Changsha 410128, China
| | - Wang Yu
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, China.
| | - Yongjian Yi
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, China
| | - Chen Xing
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, China
| | - Liangbin Zeng
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, China
| | - Yuanru Yang
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, China
| | - Hongying Wang
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, China
| | - Zhonghai Tang
- College of Food Science and Technology, Hunan Agricultural University, Changsha 410128, China.
| | - Zhijian Tan
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, China
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Chen K, Mou P, Zhu A, Chen P, Chen J, Gao G, Wang X, Feng X, Yu C. A comparative study of different methods for the determination of cadmium in various tissues of ramie ( Boehmeria nivea L.). Environ Monit Assess 2023; 195:1009. [PMID: 37522949 PMCID: PMC10390602 DOI: 10.1007/s10661-023-11601-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Accepted: 12/29/2022] [Indexed: 08/01/2023]
Abstract
Remediation of cadmium (Cd) pollution is one of the priorities of global environmental governance and accurate detection of Cd content is a key link in remediation of Cd pollution. This study aimed to compare three methods (inductively coupled plasma optical emission spectrometry (ICP-OES), inductively coupled plasma mass spectrometry (ICP-MS), and graphite furnace-atomic absorption spectrometry (GF-AAS)) for the determination of Cd with different tissues of various ramie varieties, and distinguish the advantage and disadvantage of each method. In total, 162 samples of ramie (Boehmeria nivea L.), which is an ideal plant for heavy metal remediation, were detected and the results showed that the three methods were all suitable for the de-termination of Cd content in ramie. ICP-OES and ICP-MS were simpler, faster, and more sensitive than GF-AAS. ICP-MS could be recommended for the determination of samples with various concentrations of Cd. ICP-OES could be used for measurement of samples with > 100 mg/kg Cd content, while GF-AAS was suitable for the detection of samples with very high (> 550 mg/kg) or very low (< 10 mg/kg) Cd content. Overall, considering the accuracy, stability, and the cost of measurement, ICP-MS was the most suitable method for determination of Cd content. This study provides significant reference information for the research in the field of Cd pollution remediation.
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Affiliation(s)
- Kunmei Chen
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, 410205, China
| | - Pan Mou
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, 410205, China
| | - Aiguo Zhu
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, 410205, China
| | - Ping Chen
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, 410205, China
| | - Jikang Chen
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, 410205, China
| | - Gang Gao
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, 410205, China
| | - Xiaofei Wang
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, 410205, China
| | - Xinkang Feng
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, 410205, China
| | - Chunming Yu
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, 410205, China.
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Peng J, Gao Y, Shi X, Yang C, Xie G, Tang T, Wang D, Zheng L, Liu Y, Zhang D. Zinc finger protein 330 regulates Ramie mosaic virus infection in the whitefly Bemisia tabaci MED. Pest Manag Sci 2023; 79:1750-1759. [PMID: 36617695 DOI: 10.1002/ps.7350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Revised: 12/07/2022] [Accepted: 01/09/2023] [Indexed: 06/17/2023]
Abstract
BACKGROUND The whitefly, Bemisia tabaci (Gennadius) is one of the most economically important pests that cause serious damage to agricultural production by transmitting plant pathogenic viruses. Approximately 90% of the virus species transmitted by the whitefly are members of the genus begomovirus. Ramie mosaic virus (RaMoV) is a new bipartite begomovirus that causes severe damage to ramie and several other economic crops in China. In previous studies, we have demonstrated that RaMoV had no obvious direct or indirect effects on B. tabaci. However, whether B. tabaci affects RaMoV infection and the molecular mechanisms of their interaction remain unclear. RESULTS Here, we identified a zinc finger protein 330 (ZNF330) in B. tabaci MED interacted with the coat protein (CP) of RaMoV by the yeast two-hybrid assay. Then the interaction between ZNF330 and RaMoV CP was further verified by glutathione S-transferase (GST) pull-down assay. The expression of ZNF330 gene was continuously induced after RaMoV infection. ZNF330 negatively regulated RaMoV replication in the B. tabaci MED. Furthermore, the longevity and fecundity of RaMoV-infected female adults were significantly decreased after silencing of ZNF330. CONCLUSIONS Our results indicated that the ZNF330 protein was involved in the negative regulation of RaMoV replication in the B. tabaci MED. High viral accumulation caused by ZNF330 silencing is detrimental to fecundity and longevity of the B. tabaci MED. These findings provided a new insight into identifying the binding partners in whitefly with viral CP and fully understanding the complex interactions between begomoviruses and their whitefly vector. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Jing Peng
- Institute of Plant Protection, Hunan Academy of Agricultural Sciences, Changsha, China
| | - Yang Gao
- Institute of Plant Protection, Hunan Academy of Agricultural Sciences, Changsha, China
| | - Xiaobin Shi
- Institute of Plant Protection, Hunan Academy of Agricultural Sciences, Changsha, China
| | - Chunxiao Yang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, South China Agricultural University, Guangzhou, China
| | - Gang Xie
- Institute of Plant Protection, Hunan Academy of Agricultural Sciences, Changsha, China
| | - Tao Tang
- Institute of Plant Protection, Hunan Academy of Agricultural Sciences, Changsha, China
| | - Dongwei Wang
- Institute of Plant Protection, Hunan Academy of Agricultural Sciences, Changsha, China
| | - Limin Zheng
- Institute of Plant Protection, Hunan Academy of Agricultural Sciences, Changsha, China
| | - Yong Liu
- Institute of Plant Protection, Hunan Academy of Agricultural Sciences, Changsha, China
| | - Deyong Zhang
- Institute of Plant Protection, Hunan Academy of Agricultural Sciences, Changsha, China
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Lee GH, Hoang TH, Lee HY, Lim YJ, Kim JH, Jung SJ, Chae SW, Rashid MMU, Chae HJ, Yoon SJ. Ramie leaf Extract Alleviates Bone Loss in Ovariectomized Rats-The Involvement of ROS and Its Associated Signalings. Nutrients 2023; 15:nu15030745. [PMID: 36771450 PMCID: PMC9918923 DOI: 10.3390/nu15030745] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 01/26/2023] [Accepted: 01/29/2023] [Indexed: 02/04/2023] Open
Abstract
Ramie leaf (Boehmeria nivea L.) has been traditionally used to treat gynecological and bone-related disorders. This study aims to evaluate the effect of Ramie leaf extracts (RLE) against osteoporosis in ovariectomized (OVX) rats. Female SD rats aged seven weeks were randomly assigned into five OVX and a sham-operated (sham) group. OVX subgroups include OVX, vehicle-treated OVX group; E2, OVX with 100 μg/kg 17β-estradiol; and RLE 0.25, 0.5, and 1, OVX rats treated with 0.25, 0.5, and 1 g/kg/day RLE, respectively. Two weeks into the bilateral ovariectomy, all the rats were orally administered with or without RLE daily for 12 weeks. OVX rats administered with RLE showed higher bone density, relatively low tartrate-resistant acid phosphatase (TRAP)-positive osteoclasts, and lower reactive oxygen species (ROS) within bone tissues compared to vehicle-treated OVX rats. Furthermore, supplementation of RLE improved bone mineral density (BMD) and bone microstructure in the total femur. RLE prevented RANKL-induced osteoclast differentiation and expression of osteoclastogenesis-related genes such as Cal-R, MMP-9, cathepsin K, and TRAP in RANKL-induced RAW264.7 cells. Moreover, RLE administration lowered the intracellular ROS levels by reducing NADPH oxidase 1 (NOX-1) and 4-hydroxynonenal (4HNE). These results suggest that RLE alleviates bone mass loss in the OVX rats by inhibiting osteoclastogenesis, where reduced ROS and its associated signalings were involved.
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Affiliation(s)
- Geum-Hwa Lee
- Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju 54907, Republic of Korea
| | - The-Hiep Hoang
- Department of Obstetrics and Gynecology, Hue University of Medicine and Pharmacy, Hue University, Hue 52000, Vietnam
| | - Hwa-Young Lee
- Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju 54907, Republic of Korea
- Non-Clinical Evaluation Center, Biomedical Research Institute, Jeonbuk National University Hospital, Jeonju 54907, Republic of Korea
| | - Young-Je Lim
- Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju 54907, Republic of Korea
- Non-Clinical Evaluation Center, Biomedical Research Institute, Jeonbuk National University Hospital, Jeonju 54907, Republic of Korea
| | - Ji-Hyun Kim
- Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju 54907, Republic of Korea
- Non-Clinical Evaluation Center, Biomedical Research Institute, Jeonbuk National University Hospital, Jeonju 54907, Republic of Korea
| | - Su-Jin Jung
- Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju 54907, Republic of Korea
- Clinical Trial Center for Functional Foods (CTCF2), Jeonbuk National University Hospital, Jeonju 54907, Republic of Korea
| | - Soo-Wan Chae
- Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju 54907, Republic of Korea
- Clinical Trial Center for Functional Foods (CTCF2), Jeonbuk National University Hospital, Jeonju 54907, Republic of Korea
| | - Mohammad Mamun Ur Rashid
- Department of Pharmacology, Jeonbuk National University Medical School, Jeonju 54896, Republic of Korea
| | - Han-Jung Chae
- Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju 54907, Republic of Korea
- Non-Clinical Evaluation Center, Biomedical Research Institute, Jeonbuk National University Hospital, Jeonju 54907, Republic of Korea
- School of Pharmacy, Jeonbuk National University, Jeonju 54896, Republic of Korea
- Correspondence: (H.-J.C.); (S.-J.Y.)
| | - Sun-Jung Yoon
- Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju 54907, Republic of Korea
- Department of Orthopedic Surgery, Jeonbuk National University Medical School, Jeonju 54907, Republic of Korea
- Correspondence: (H.-J.C.); (S.-J.Y.)
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10
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Chon SH, Brunner S, Müller DT, Lorenz F, Stier R, Streller L, Eckhoff J, Straatman J, Babic B, Schiffmann LM, Schröder W, Schmidt T, Bruns CJ, Fuchs HF. Time to endoscopic vacuum therapy-lessons learned after > 150 robotic-assisted minimally invasive esophagectomies (RAMIE) at a German high-volume center. Surg Endosc 2023; 37:741-748. [PMID: 36344896 PMCID: PMC9640783 DOI: 10.1007/s00464-022-09754-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 10/29/2022] [Indexed: 11/09/2022]
Abstract
OBJECTIVE OF THE STUDY In esophageal surgery, anastomotic leak (AL) remains one of the most severe and critical adverse events after oncological esophagectomy. Endoscopic vacuum therapy (EVT) can be used to treat AL; however, in the current literature, treatment outcomes and reports on how to use this novel technique are scarce. The aim of this study was to evaluate the outcomes of patients with an AL after IL RAMIE and to determine whether using EVT as an treatment option is safe and feasible. MATERIAL AND METHODS This study includes all patients who developed an Esophagectomy Complications Consensus Group (ECCG) type II AL after IL RAMIE at our center between April 2017 and December 2021. The analysis focuses on time to EVT, duration of EVT, and follow up treatments for these patients. RESULTS A total of 157 patients underwent an IL RAMIE at our hospital. 21 patients of these (13.4%) developed an ECCG type II AL. One patient died of unrelated Covid-19 pneumonia and was excluded from the study cohort. The mean duration of EVT was 12 days (range 4-28 days), with a mean of two sponge changes (range 0-5 changes). AL was diagnosed at a mean of 8 days post-surgery (range 2-16 days). Closure of the AL with EVT was successful in 15 out of 20 patients (75%). Placement of a SEMS (Self-expandlable metallic stent) after EVT was performed in four patients due to persisting AL. Overall success rate of anastomotic sealing independently of the treatment modality was achieved in 19 out of 20 Patients (95%). No severe EVT-related adverse events occurred. CONCLUSION This study shows that EVT can be a safe and effective endoscopic treatment option for ECCG type II AL.
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Affiliation(s)
- Seung-Hun Chon
- Interdisciplinary Endoscopy Unit, Department of General, Visceral, Cancer, and Transplant Surgery, University Hospital of Cologne, Kerpener Street 62, 50937, Cologne, Germany.
- Interdisciplinary Endoscopy Unit, Department of Gastroenterology and Hepatology, University Hospital of Cologne, Kerpener Street 62, 50937, Cologne, Germany.
| | - Stefanie Brunner
- Interdisciplinary Endoscopy Unit, Department of General, Visceral, Cancer, and Transplant Surgery, University Hospital of Cologne, Kerpener Street 62, 50937, Cologne, Germany
- Interdisciplinary Endoscopy Unit, Department of Gastroenterology and Hepatology, University Hospital of Cologne, Kerpener Street 62, 50937, Cologne, Germany
| | - Dolores T Müller
- Interdisciplinary Endoscopy Unit, Department of General, Visceral, Cancer, and Transplant Surgery, University Hospital of Cologne, Kerpener Street 62, 50937, Cologne, Germany
| | - Florian Lorenz
- Interdisciplinary Endoscopy Unit, Department of Gastroenterology and Hepatology, University Hospital of Cologne, Kerpener Street 62, 50937, Cologne, Germany
| | - Raphael Stier
- Interdisciplinary Endoscopy Unit, Department of General, Visceral, Cancer, and Transplant Surgery, University Hospital of Cologne, Kerpener Street 62, 50937, Cologne, Germany
| | - Lea Streller
- Interdisciplinary Endoscopy Unit, Department of Gastroenterology and Hepatology, University Hospital of Cologne, Kerpener Street 62, 50937, Cologne, Germany
| | - Jennifer Eckhoff
- Interdisciplinary Endoscopy Unit, Department of General, Visceral, Cancer, and Transplant Surgery, University Hospital of Cologne, Kerpener Street 62, 50937, Cologne, Germany
| | - Jennifer Straatman
- Interdisciplinary Endoscopy Unit, Department of General, Visceral, Cancer, and Transplant Surgery, University Hospital of Cologne, Kerpener Street 62, 50937, Cologne, Germany
| | - Benjamin Babic
- Interdisciplinary Endoscopy Unit, Department of General, Visceral, Cancer, and Transplant Surgery, University Hospital of Cologne, Kerpener Street 62, 50937, Cologne, Germany
| | - Lars M Schiffmann
- Interdisciplinary Endoscopy Unit, Department of General, Visceral, Cancer, and Transplant Surgery, University Hospital of Cologne, Kerpener Street 62, 50937, Cologne, Germany
| | - Wolfgang Schröder
- Interdisciplinary Endoscopy Unit, Department of General, Visceral, Cancer, and Transplant Surgery, University Hospital of Cologne, Kerpener Street 62, 50937, Cologne, Germany
| | - Thomas Schmidt
- Interdisciplinary Endoscopy Unit, Department of General, Visceral, Cancer, and Transplant Surgery, University Hospital of Cologne, Kerpener Street 62, 50937, Cologne, Germany
| | - Christiane J Bruns
- Interdisciplinary Endoscopy Unit, Department of General, Visceral, Cancer, and Transplant Surgery, University Hospital of Cologne, Kerpener Street 62, 50937, Cologne, Germany
| | - Hans F Fuchs
- Interdisciplinary Endoscopy Unit, Department of General, Visceral, Cancer, and Transplant Surgery, University Hospital of Cologne, Kerpener Street 62, 50937, Cologne, Germany
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11
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Wang F, Hu X, Tang C, Liu C, Zhu Z. Phosphate-functionalized ramie stalk adsorbent for efficient removal of Zn 2+ from water: adsorption performance, mechanism, and fixed-bed column treatment of real wastewater. Environ Sci Pollut Res Int 2023; 30:6245-6261. [PMID: 35989403 DOI: 10.1007/s11356-022-22590-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 08/13/2022] [Indexed: 06/15/2023]
Abstract
A highly efficient adsorbent functionalized with phosphate groups made from a local agricultural waste, ramie stalk, was designed for Zn2+ removal from water. SEM, EDS, FTIR, zeta potential, and XPS tests were used to study the morphology and properties of modified ramie stalk (RS-P). The results showed that the phosphate groups were successfully grafted to the surface of the ramie stalk, which has a multilayered and porous structure and can provide large adsorption sites. Adsorption performance and mechanism were investigated in the static and dynamic adsorption experiments. The adsorption kinetics of Zn2+ by RS-P were better fitted by the pseudo-second-order model, indicating chemical adsorption. Adsorption isotherm was better described by Redlich-Peterson isotherm, which suggested heterogeneous and multi-site adsorption, with a maximum adsorption capacity of 0.558 mmol g-1. The characterization of adsorbents before and after adsorption indicated that a combined action of electrostatic interaction and ion exchange was the primary mechanism of adsorption. Dynamic adsorption experiments with fixed-bed column displayed excellent water treatment capabilities. RS-P exhibited good reusability in 5 cycles without much deterioration in its adsorption performances. Complex co-existing ions impaired Zn2+ adsorption during real wastewater treatment. This research benefits agricultural waste recycling and provides safe water to ensure economic, social, and environmental sustainability.
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Affiliation(s)
- Fen Wang
- School of Chemistry and Chemical Engineering, Sichuan University of Arts and Science, Dazhou, 635000, People's Republic of China.
| | - XiaoLi Hu
- School of Chemistry and Chemical Engineering, Sichuan University of Arts and Science, Dazhou, 635000, People's Republic of China
| | - Cheng Tang
- School of Chemistry and Chemical Engineering, Sichuan University of Arts and Science, Dazhou, 635000, People's Republic of China
| | - Changlu Liu
- School of Chemistry and Chemical Engineering, Sichuan University of Arts and Science, Dazhou, 635000, People's Republic of China
| | - Zhaoju Zhu
- School of Chemistry and Chemical Engineering, Sichuan University of Arts and Science, Dazhou, 635000, People's Republic of China
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12
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Xu J, Xing Y, Wang J, Yang Y, Ye C, Sun R. Effect of poly-γ-glutamic acid on the phytoremediation of ramie ( Boehmeria nivea L.) in the Hg-contaminated soil. Chemosphere 2023; 312:137280. [PMID: 36403812 DOI: 10.1016/j.chemosphere.2022.137280] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 10/26/2022] [Accepted: 11/15/2022] [Indexed: 06/16/2023]
Abstract
Farmlands around the Hg mining areas have suffered from severe Hg contamination issues, triggering a phenomenon of high Hg content in crops, and subsequently threatening human health. In this study, ramie (Boehmeria nivea L.) assisted with poly-γ-glutamic acid (γ-PGA) was employed to remediate the Hg-contaminated soil through incubation experiments. After the soil was amended with γ-PGA, the leaf Hg content increased by 4.4-fold, and the translocation factor value even reached 3.5, indicating that γ-PGA could dramatically enhance the translocation of Hg from root and stem to leaf. γ-PGA could induce the transformation of potentially available Hg to available fractions, resulting in the soil Hg being more bioavailable. Batch trials verified that γ-PGA could mask the adsorption function of Hg ions by soil organic matter, significantly stimulating the desorption of Hg ions from the soil. As a result, the soil Hg would transfer to the aqueous phase and be assimilated by the root of ramie more easily and effectively. The γ-PGA chelated Hg is hydrophilic and has a high affinity with -SH and -S-; thereby, it can easily stride over the Casparian strip, enter the vessel, be translocated upwards, be sequestered in the tissues of leaf, and be incorporated irreversibly. This study can provide a new method for the remediation of Hg-contaminated soil.
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Affiliation(s)
- Jing Xu
- School of Chemistry and Material, Guizhou Normal University, Guiyang 550025, China
| | - Ying Xing
- School of Chemistry and Material, Guizhou Normal University, Guiyang 550025, China
| | - Jun Wang
- School of Chemistry and Material, Guizhou Normal University, Guiyang 550025, China
| | - Yang Yang
- School of Life Sciences, Guizhou Normal University, Guiyang 550025, PR China
| | - Cai Ye
- School of Chemistry and Material, Guizhou Normal University, Guiyang 550025, China
| | - Rongguo Sun
- School of Chemistry and Material, Guizhou Normal University, Guiyang 550025, China.
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13
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Balkrishna A, Verma S, Tiwari D, Srivastava J, Varshney A. UPLC-QToF-MS based fingerprinting of polyphenolic metabolites in the bark extract of Boehmeria rugulosa Wedd. J Mass Spectrom 2022; 57:e4890. [PMID: 36353856 DOI: 10.1002/jms.4890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 09/23/2022] [Accepted: 10/07/2022] [Indexed: 06/16/2023]
Abstract
Boehmeria rugulosa Wedd. is an evergreen tree of Urticaceae family. Its bark has been extensively used in ethno-medicinal system for various ailments such as bone fracture, sprain, snakebite, and wound healing. Phyto-metabolites, which are considered as the principle components for biological activities, have been least explored for this plant. The present work investigated metabolite profiling of the stem bark of B. rugulosa in water extract using Ultra Performance Liquid Chromatography Quadrupole Time of Flight Mass Spectrometry (UPLC-QToF-MS) technique coupled with the UNIFI platform. We identified, for the first time, 20 polyphenolic metabolites belonging to seven groups: caffeoylquinic acids, coumaroylquinic acids, flavan-3-ols, oligomeric flavonoids, caffeic acid derivatives, coumaric acid derivative, and flavone glycoside in the B. rugulosa extract. UNIFI informatics-coupled UPLC-QToF-MS platform aids in the quick identification and fragmentation pattern of metabolites, with higher degree of reproducibility. The present study provides a chemical and therapeutic basis for further exploration of B. rugulosa as a valuable source of phytochemicals that could be instrumental in deciphering its ethno-medicinal utility for various human diseases.
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Affiliation(s)
- Acharya Balkrishna
- Drug Discovery and Development Division, Patanjali Research Institute, Haridwar, India
- Department of Allied and Applied Sciences, University of Patanjali, Haridwar, India
- Patanjali Yog Peeth (UK) Trust, Glasgow, UK
| | - Sudeep Verma
- Drug Discovery and Development Division, Patanjali Research Institute, Haridwar, India
| | - Deepti Tiwari
- Drug Discovery and Development Division, Patanjali Research Institute, Haridwar, India
| | - Jyotish Srivastava
- Drug Discovery and Development Division, Patanjali Research Institute, Haridwar, India
| | - Anurag Varshney
- Drug Discovery and Development Division, Patanjali Research Institute, Haridwar, India
- Department of Allied and Applied Sciences, University of Patanjali, Haridwar, India
- Special Centre for Systems Medicine, Jawaharlal Nehru University, New Delhi, India
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14
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Tan X, Deng Y, Shu Z, Zhang C, Ye S, Chen Q, Yang H, Yang L. Phytoremediation plants (ramie) and steel smelting wastes for calcium silicate coated-nZVI/biochar production: Environmental risk assessment and efficient As(V) removal mechanisms. Sci Total Environ 2022; 844:156924. [PMID: 35779737 DOI: 10.1016/j.scitotenv.2022.156924] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 06/16/2022] [Accepted: 06/20/2022] [Indexed: 06/15/2023]
Abstract
Arsenic is one of the most common and harmful pollutants in environment throughout the world, especially in aqueous solutions. In this study, two kinds of industrial solid wastes (Oxide scale (OS) and Blast furnace slag (BFS)) and one kind of phytoremediation plant waste (Ramie stalk) were used to prepare an environmentally friendly, low-cost, and efficient calcium silicate coated nano zero-valent iron (nZVI)/biochar composite (BOS) for As(V) adsorption. The potential environmental risks of BOS and their effects on removal of arsenic ions from aqueous media were investigated. The adsorption mechanism was explored and discussed based on XRD, SEM-EDS, XPS, etc. The results suggested that the environmental risk and heavy metals toxicity in BOS by co-pyrolysis were significantly reduced compared to the original materials, and no additional contaminant was observed in the subsequent experiments. Simultaneously, the BOS showed excellent As(V) removal capacity (>99%) and regenerative properties. The As(V) removal mechanisms are mainly ascribed to the complexation and co-precipitation between Fe and As, and the hydrogen bond between CO functional group of BOS and As. The mechanism of enhanced nZVI activity for As(V) removal was revealed. A protective layer of Ca2SiO4 was formed on the surface of nZVI during the co-pyrolysis process to prevent the passivation of nZVI. During the reaction process, the Ca2SiO4 covering the nZVI surface would be continuously detached to expose the fresh surface of nZVI, thus providing more redox activity and adsorption sites. This study provides a new way to treat and recycle industrial steel solid wastes and phytoremediation plant wastes, and the produced calcium silicate coated-nZVI/biochar composite is proposed to be a very promising material for practical remediation of As(V)-contaminated water bodies.
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Affiliation(s)
- Xiaofei Tan
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China.
| | - Yuanyuan Deng
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
| | - Zihan Shu
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
| | - Chen Zhang
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
| | - Shujing Ye
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
| | - Qiang Chen
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
| | - Hailan Yang
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
| | - Lei Yang
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
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15
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Lee YA, Park YC, Kwon O, Kim SJ, Chung S, Moon MW. Hygroscopic ramie fabrics for recovering highly viscous low sulfur fuel oil. Environ Pollut 2022; 308:119668. [PMID: 35760203 DOI: 10.1016/j.envpol.2022.119668] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 05/31/2022] [Accepted: 06/18/2022] [Indexed: 06/15/2023]
Abstract
Low sulfur fuel oils (LSFOs) with less than 0.5% sulfur content have been mandated for marine vessels by the International Maritime Organization since 2020. However, owing to the low dispersibility and high viscosity of LSFOs, their oceanic spills are difficult to clean using conventional response systems. In this study, we propose a superhydrophilic and hygroscopic ramie to clean spilled LSFO. To this end, a raw ramie fiber, which is intrinsically hydrophobic, was treated using a mild alkali to remove its waxy, rough, and gummy veneer and reveal a smooth surface. This substantially improved its hygroscopic nature, superhydrophilicity, and water-retention, while preserving its mechanical durability in dry and wet environments. The hygroscopic ramie exhibited underwater superoleophobicity and self-cleaning abilities against highly adhesive LSFOs. Two proofs-of-concept are demonstrated in this study-an oil-proof glove for maximizing oil repellency and a direct oil-scooping device for simple and continuous recovery of spilled oil with high efficiency.
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Affiliation(s)
- Young A Lee
- Extreme Materials Research Center, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea; Department of Biomicrosystem Technology, Korea University, Seoul, Republic of Korea
| | - Young Cheol Park
- Extreme Materials Research Center, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea
| | - Ochang Kwon
- Extreme Materials Research Center, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea; School of Mechanical Engineering, Korea University, Seoul, Republic of Korea
| | - Seong Jin Kim
- Extreme Materials Research Center, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea
| | - Seok Chung
- Department of Biomicrosystem Technology, Korea University, Seoul, Republic of Korea; School of Mechanical Engineering, Korea University, Seoul, Republic of Korea; KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, Republic of Korea
| | - Myoung-Woon Moon
- Extreme Materials Research Center, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea.
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Liu C, Liu WS, Huot H, Guo MN, Zhu SC, Zheng HX, Morel JL, Tang YT, Qiu RL. Biogeochemical cycles of nutrients, rare earth elements (REEs) and Al in soil-plant system in ion-adsorption REE mine tailings remediated with amendment and ramie ( Boehmeria nivea L.). Sci Total Environ 2022; 809:152075. [PMID: 34890651 DOI: 10.1016/j.scitotenv.2021.152075] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 11/24/2021] [Accepted: 11/26/2021] [Indexed: 06/13/2023]
Abstract
The exploitation of ion-adsorption rare earth element (REE) deposits in South China has left large areas of mine tailings. However, limited remediation practices on these tailings have been reported, and how the remediation strategies and economic plants cultivation affect the biogeochemical cycles of nutrients, REEs and Al remains unclear. The aim of the present study was to investigate the effects of the combination of the addition of soil amendment and the root development and activity of a fiber plant ramie (Boehmeria nivea L.) on the availability and distribution of nutrients, as well as of REEs and other potentially toxic elements (e.g. Al) in the soil-plant system. The results showed that the application of organic amendment and ramie planting induced a significant increase in soil pH, total carbon (C), nitrogen (N), and other nutrient (e.g. P and Ca) concentrations, while led to a decrease of 80-90% and 60-90% in soil extractable REE and Al concentrations respectively. Matrices of correlation showed that soil pH, total C, N, and P concentrations were among the most important factors controlling the availability of soil REEs and Al, and root characteristics (e.g. fine root length). The total C, N, P and extractable nutrient concentrations, and electrical conductivity were higher in the rhizosphere soils of ramie than those in the bulk soils. Moreover, more than 60% of the quantity of REE and Al in the whole ramie plant was stored within the thick roots. These results showed that, in addition to amendment, the effects induced by the roots of ramie could further improve soil properties through C input, nutrient mobilization and toxic element stabilization. Our study concludes that ramie planting with organic amendment is a promising phytostabilization strategy for the remediation of REE mine tailings in South China.
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Affiliation(s)
- Chang Liu
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510275, China; Laboratoire Sols et Environnement, INRAE-Université de Lorraine, F-54518 Vandoeuvre-lès-Nancy, France
| | - Wen-Shen Liu
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510275, China; Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Guangzhou 510275, China; Guangdong Provincial Engineering Research Center for Heavy Metal Contaminated Soil Remediation, Sun Yat-sen University, Guangzhou 510275, China
| | - Hermine Huot
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510275, China; Université de Lorraine, CNRS, LIEC, F-54000 Nancy, France
| | - Mei-Na Guo
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510275, China; Laboratoire Sols et Environnement, INRAE-Université de Lorraine, F-54518 Vandoeuvre-lès-Nancy, France
| | - Shi-Chen Zhu
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510275, China
| | - Hong-Xiang Zheng
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510275, China
| | - Jean Louis Morel
- Laboratoire Sols et Environnement, INRAE-Université de Lorraine, F-54518 Vandoeuvre-lès-Nancy, France
| | - Ye-Tao Tang
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510275, China; Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Guangzhou 510275, China; Guangdong Provincial Engineering Research Center for Heavy Metal Contaminated Soil Remediation, Sun Yat-sen University, Guangzhou 510275, China.
| | - Rong-Liang Qiu
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510275, China; Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Guangzhou 510275, China; Guangdong Provincial Engineering Research Center for Heavy Metal Contaminated Soil Remediation, Sun Yat-sen University, Guangzhou 510275, China; Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China
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17
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He Q, Zeng Z, Li F, Huang R, Wang Y, Liu T. Ubiquitylome analysis reveals the involvement of ubiquitination in the bast fiber growth of ramie. Planta 2021; 254:1. [PMID: 34081200 DOI: 10.1007/s00425-021-03652-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 05/29/2021] [Indexed: 06/12/2023]
Abstract
A total of 249 sites from 197 proteins showed a differential ubiquitination level in the fiber development of ramie barks. The function of two differentially ubiquitinated proteins for fiber growth was demonstrated. Ubiquitination is one of the most common post-translational modifications of proteins, and it plays essential roles in plant growth and development. However, the involvement of ubiquitination in the growth of plant fibers remains largely unknown. We compared the ubiquitylome of the top and middle stems of ramie bark, with different fiber growth stages. We identified 249 differentially ubiquitinated sites in 197 proteins in fiber-developing barks in the stems and found that seven were homologs of Arabidopsis proteins associated with fiber growth. Overexpression of the differentially ubiquitinated proteins, RWA3 homolog whole_GLEAN_10024150 and MYB protein whole_GLEAN_10015497, significantly promoted fiber growth in transgenic Arabidopsis, indicating their involvement in this process. We also found that the abundance of these proteins decreased when their ubiquitination levels increased and vice versa in the fiber-developing bark. These results indicated that the abundance of these two proteins was adjusted through ubiquitin-dependent degradation. Collectively, our findings provide important insights into the involvement of ubiquitination in the growth of ramie fibers.
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Affiliation(s)
- Qiaoyun He
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, 410205, China
| | - Zheng Zeng
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, 410205, China
| | - Fu Li
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, 410205, China
| | - Renyan Huang
- Hunan Institute of Plant Protection, Changsha, 410125, China
| | - Yanzhou Wang
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, 410205, China
| | - Touming Liu
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, 410205, China.
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18
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Su Y, Wen Y, Yang W, Zhang X, Xia M, Zhou N, Xiong Y, Zhou Z. The mechanism transformation of ramie biochar's cadmium adsorption by aging. Bioresour Technol 2021; 330:124947. [PMID: 33735728 DOI: 10.1016/j.biortech.2021.124947] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Revised: 03/02/2021] [Accepted: 03/02/2021] [Indexed: 06/12/2023]
Abstract
Aging is inevitable when biochar uses for remediate Cadmium (Cd) pollution, but the variation of adsorption mechanism remains unclear. This study uses ramie residue to prepare fresh biochar, and adopt it with acidification and oxidation to simulate the aging process. The difference of physicochemical properties between fresh and aged biochar are studied through microstructure. Then, two kinds of biochar are making adsorption experiments in Cd solution for analyzing their adsorption mechanism. The results show that, both chemisorption and physisorption are exist, chemisorption and physisorption is the predominant way of fresh biochar and aged biochar respectively. Cation exchange is important but weaker in aged biochar than fresh biochar. Carboxyl plays a leading role in complexation of fresh biochar and hydroxy in aged biochar. Coprecipitation and cation-π mechanism impair apparently in aged biochar. This study indicates that aging change ramie biochar's main adsorption mechanism and the primary chemisorption way.
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Affiliation(s)
- Yifeng Su
- College of Resources and Environment, Hunan Agricultural University, Changsha 410128, China; School of Chemistry and Materials Science, Hunan Agricultural University, Changsha 410128, China; The Hunan Engineering Research Center for Biochar, Hunan Agricultural University, Changsha 410128, China
| | - Yujiao Wen
- School of Chemistry and Materials Science, Hunan Agricultural University, Changsha 410128, China; The Hunan Engineering Research Center for Biochar, Hunan Agricultural University, Changsha 410128, China; College of Agronomy, Hunan Agricultural University, Changsha 410128, China
| | - Wenjing Yang
- School of Chemistry and Materials Science, Hunan Agricultural University, Changsha 410128, China; The Hunan Engineering Research Center for Biochar, Hunan Agricultural University, Changsha 410128, China
| | - Xin Zhang
- School of Chemistry and Materials Science, Hunan Agricultural University, Changsha 410128, China; The Hunan Engineering Research Center for Biochar, Hunan Agricultural University, Changsha 410128, China
| | - Mao Xia
- School of Chemistry and Materials Science, Hunan Agricultural University, Changsha 410128, China
| | - Nan Zhou
- School of Chemistry and Materials Science, Hunan Agricultural University, Changsha 410128, China; The Hunan Engineering Research Center for Biochar, Hunan Agricultural University, Changsha 410128, China
| | - Yuanfu Xiong
- College of Resources and Environment, Hunan Agricultural University, Changsha 410128, China; School of Chemistry and Materials Science, Hunan Agricultural University, Changsha 410128, China
| | - Zhi Zhou
- School of Chemistry and Materials Science, Hunan Agricultural University, Changsha 410128, China; The Hunan Engineering Research Center for Biochar, Hunan Agricultural University, Changsha 410128, China.
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19
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Ye S, Xiong W, Liang J, Yang H, Wu H, Zhou C, Du L, Guo J, Wang W, Xiang L, Zeng G, Tan X. Refined regulation and nitrogen doping of biochar derived from ramie fiber by deep eutectic solvents (DESs) for catalytic persulfate activation toward non-radical organics degradation and disinfection. J Colloid Interface Sci 2021; 601:544-555. [PMID: 34090031 DOI: 10.1016/j.jcis.2021.05.080] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 05/06/2021] [Accepted: 05/16/2021] [Indexed: 01/19/2023]
Abstract
Sulfate radical-based advanced oxidation process (SR-AOPs) has great promise in water treatment, there is thereby a pressing need yet still a significant challenge to rationally design an efficient and green catalyst for heterogeneous catalytic reactions. In this study, deep eutectic solvents (DESs) were prepared and employed to simultaneously achieve structural engineering of fibrils separation and surface modifying of nitrogen doping on biochar derived from filaments biomass (NRBF) of Ramie (Boehmeria nivea (L.) Gaud). The more regular structure and pure carbon with reasonable configuration, and the N doped in hexatomic ring of NRBF were great impetus to improve the catalytic performance for peroxydisulfate (PDS) activation, with 4.5 times higher degradation rate of tetracycline than pristine biochar. The in-depth mechanistic study of PDS activation confirmed that dominated pathway was in transition from original reactive species (1O2) in pristine biochar system to a direct electron-shuttle pathway in NRBF system. Moreover, the non-radical dominated NRBF/PDS system showed good potential for bacteria (Escherichia coli) inactivation in disinfection application. Therefore, this work provides the underlying insights to guide the design of a functional and green biochar converting from Ramie filaments by an environmentally friendly facile protocol to achieve multiple purposes of wastewater decontamination and disinfection.
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Affiliation(s)
- Shujing Ye
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
| | - Weiping Xiong
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
| | - Jie Liang
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
| | - Hailan Yang
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
| | - Haipeng Wu
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China; School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha 410114, PR China
| | - Chengyun Zhou
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
| | - Li Du
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
| | - Jiayin Guo
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
| | - Wenjun Wang
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
| | - Ling Xiang
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
| | - Guangming Zeng
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China.
| | - Xiaofei Tan
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China.
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20
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Xie C, Gong W, Zhu Z, Zhou Y, Xu C, Yan L, Hu Z, Ai L, Peng Y. Comparative secretome of white-rot fungi reveals co-regulated carbohydrate-active enzymes associated with selective ligninolysis of ramie stalks. Microb Biotechnol 2021; 14:911-922. [PMID: 32798284 PMCID: PMC8085959 DOI: 10.1111/1751-7915.13647] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2020] [Revised: 06/18/2020] [Accepted: 07/21/2020] [Indexed: 12/22/2022] Open
Abstract
In the present research, Phanerochaete chrysosporium and Irpex Lacteus simultaneously degraded lignin and cellulose in ramie stalks, whereas Pleurotus ostreatus and Pleurotus eryngii could depolymerize lignin but little cellulose. Comparative proteomic analysis of these four white-rot fungi was used to investigate the molecular mechanism of this selective ligninolysis. 292 proteins, including CAZymes, sugar transporters, cytochrome P450, proteases, phosphatases and proteins with other function, were successfully identified. A total of 58 CAZyme proteins were differentially expressed, and at the same time, oxidoreductases participated in lignin degradation were expressed at higher levels in P. eryngii and P. ostreatus. Enzyme activity results indicated that cellulase activities were higher in P. chrysosporium and I. lacteus, while the activities of lignin-degrading enzymes were higher in P. eryngii and P. ostreatus. In addition to the lignocellulosic degrading enzymes, several proteins including sugar transporters, cytochrome P450 monooxygenases, peptidases, proteinases, phosphatases and kinases were also found to be differentially expressed among these four species of white-rot fungi. In summary, the protein expression patterns of P. eryngii and P. ostreatus exhibit co-upregulated oxidoreductase potential and co-downregulated cellulolytic capability relative to those of P. chrysosporium and I. lacteus, providing a mechanism consistent with selective ligninolysis by P. eryngii and P. ostreatus.
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Affiliation(s)
- Chunliang Xie
- Institute of Bast Fiber CropsChinese Academy of Agricultural SciencesChangsha410205China
| | - Wenbing Gong
- Institute of Bast Fiber CropsChinese Academy of Agricultural SciencesChangsha410205China
| | - Zuohua Zhu
- Institute of Bast Fiber CropsChinese Academy of Agricultural SciencesChangsha410205China
| | - Yingjun Zhou
- Institute of Bast Fiber CropsChinese Academy of Agricultural SciencesChangsha410205China
| | - Chao Xu
- Institute of Bast Fiber CropsChinese Academy of Agricultural SciencesChangsha410205China
| | - Li Yan
- Institute of Bast Fiber CropsChinese Academy of Agricultural SciencesChangsha410205China
| | - Zhenxiu Hu
- Institute of Bast Fiber CropsChinese Academy of Agricultural SciencesChangsha410205China
| | - Lianzhong Ai
- Institute of Bast Fiber CropsChinese Academy of Agricultural SciencesChangsha410205China
- Shanghai Engineering Research Center of Food MicrobiologySchool of Medical Instrument and Food EngineeringUniversity of Shanghai for Science and TechnologyShanghai200093China
| | - Yuande Peng
- Institute of Bast Fiber CropsChinese Academy of Agricultural SciencesChangsha410205China
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21
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Rehman M, Saleem MH, Fahad S, Maqbool Z, Peng D, Deng G, Liu L. Medium nitrogen optimized Boehmeria nivea L. growth in copper contaminated soil. Chemosphere 2021; 266:128972. [PMID: 33218736 DOI: 10.1016/j.chemosphere.2020.128972] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 10/30/2020] [Accepted: 11/11/2020] [Indexed: 06/11/2023]
Abstract
Copper (Cu) pollution in agricultural soils is considered as a serious health risk due to its accumulation in plants. Thus, there is an urgent need to optimize nutrient application for higher yield with lower Cu uptake to ensure food security. A pot experiment was conducted to investigate the effectiveness of nitrogen fertilizer (N) on Boehmeria nivea growth, gas exchange characteristics, antioxidant capacity and uptake of Cu in contaminated soil. Therefore, combinations of Cu levels (0, 100, 300 mg kg-1) and N levels (0, 140, 280, 420 kg ha-1) were applied. The results showed that N at 280 kg ha-1 significantly (≤0.05) increased plant growth in terms of fresh biomass, plant height, stem diameter and number of leaves per plant up to100 mg kg-1 Cu in soil for all harvests (H1, H2, H3 and H4). However, the interactive effect of Cu and N on Cu uptake by plant varied among N levels. Furthermore, N at 280 kg ha-1 also improved the gas exchange characteristics viz., net photosynthesis (Pn), transpiration rate (Tr) and stomatal conductance (gs), while decreased oxidative stress in B. nivea up to 100 mg kg-1 Cu in soil, relative to control. Thus N at 280 kg ha-1 can be considered as an effective dose for high fresh biomass with lower Cu uptake by B. nivea grown as fodder in Cu contaminated soils (≤100 mg kg-1). Overall, present research highlighted the necessity of balanced or optimum N application for sustainable B. nivea forage production in Cu contaminated agricultural lands.
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Affiliation(s)
- Muzammal Rehman
- MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China; School of Agriculture, Yunnan University, Kunming, 650504, China.
| | - Muhammad Hamzah Saleem
- MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Shah Fahad
- Hainan Key Laboratory for Sustainable Utilization of Tropical Bioresource, College of Tropical Crops, Hainan University, Haikou, 570228, Hainan, China; Department of Agronomy, The University of Haripur, Haripur, Khyber Pakhtunkhwa, 22620, Pakistan.
| | - Zahid Maqbool
- Department of Environmental Sciences and Engineering, Government College University Faisalabad, Pakistan.
| | - Dingxiang Peng
- MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Gang Deng
- School of Agriculture, Yunnan University, Kunming, 650504, China.
| | - Lijun Liu
- MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China.
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22
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Fu H, Wang C, Cui G, She W, Zhao L. Ramie Yield Estimation Based on UAV RGB Images. Sensors (Basel) 2021; 21:s21020669. [PMID: 33477949 PMCID: PMC7833380 DOI: 10.3390/s21020669] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 01/03/2021] [Accepted: 01/15/2021] [Indexed: 11/30/2022]
Abstract
Timely and accurate crop growth monitoring and yield estimation are important for field management. The traditional sampling method used for estimation of ramie yield is destructive. Thus, this study proposed a new method for estimating ramie yield based on field phenotypic data obtained from unmanned aerial vehicle (UAV) images. A UAV platform carrying RGB cameras was employed to collect ramie canopy images during the whole growth period. The vegetation indices (VIs), plant number, and plant height were extracted from UAV-based images, and then, these data were incorporated to establish yield estimation model. Among all of the UAV-based image data, we found that the structure features (plant number and plant height) could better reflect the ramie yield than the spectral features, and in structure features, the plant number was found to be the most useful index to monitor the yield, with a correlation coefficient of 0.6. By fusing multiple characteristic parameters, the yield estimation model based on the multiple linear regression was obviously more accurate than the stepwise linear regression model, with a determination coefficient of 0.66 and a relative root mean square error of 1.592 kg. Our study reveals that it is feasible to monitor crop growth based on UAV images and that the fusion of phenotypic data can improve the accuracy of yield estimations.
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Affiliation(s)
- Hongyu Fu
- Ramie Research Institute of Hunan Agricultural University, College of Agricultural, Hunan Agricultural University, Changsha 410128, China; (H.F.); (W.S.); (L.Z.)
| | - Chufeng Wang
- Macro Agriculture Research Institute, College of Resource and Environment, Huazhong Agricultural University, 1 Shizishan Street, Wuhan 430000, China;
| | - Guoxian Cui
- Ramie Research Institute of Hunan Agricultural University, College of Agricultural, Hunan Agricultural University, Changsha 410128, China; (H.F.); (W.S.); (L.Z.)
- Correspondence:
| | - Wei She
- Ramie Research Institute of Hunan Agricultural University, College of Agricultural, Hunan Agricultural University, Changsha 410128, China; (H.F.); (W.S.); (L.Z.)
| | - Liang Zhao
- Ramie Research Institute of Hunan Agricultural University, College of Agricultural, Hunan Agricultural University, Changsha 410128, China; (H.F.); (W.S.); (L.Z.)
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23
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Giacopuzzi S, Weindelmayer J, de Manzoni G. RAMIE: tradition drives innovation-feasibility of a robotic-assisted intra-thoracic anastomosis. Updates Surg 2020; 73:847-852. [PMID: 33247384 PMCID: PMC7694887 DOI: 10.1007/s13304-020-00932-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Accepted: 11/11/2020] [Indexed: 01/06/2023]
Abstract
Due to the difficulties in the intra-thoracic esophagogastric anastomosis creation, totally minimally invasive Ivor Lewis esophagectomy (MIE) did not encountered a large diffusion, preferring hybrid techniques or cervical anastomosis. Robot-assisted minimally invasive esophagectomy (RAMIE) has gained popularity due to an easy reproducibility of the open anastomotic technique. In this feasibility study, we described the RAMIE technique introduced in our Center, providing innovative details for a mechanical end-to-end anastomosis. With patient in prone position, esophagectomy is conducted through the meso-esophagus plan. Robotic hand-sewn purse-string is realized above Azygos vein. A 4-cm thoracotomy in the fifth intercostal space is performed by enlarging the trocar incision. The tubulization is performed to create an access pouch for the introduction of the circular stapler. After the creation of the end-to-end anastomosis, the access pouch is resected and a robotic over-sewn is realized. From January 2020 until July 2020, ten patients were enrolled. No restriction in term of age, BMI, ASA grade or previous surgery were applied. Median operative time was 700 min. R0 resection was achieved in all cases with a good lymph node harvesting. No anastomotic leak or stricture were observed. One chyle leak was treated conservatively. Median length of stay was 8 days and 90 days mortality was 0%. This study evidenced how robotic surgery allowed us to perform the same anastomosis of our open technique with good oncological results and morbidity and length of stay comparable with our previous results. Of note, longer operative time has been recorded. Further studies after the completion of the learning curve are necessary to address more definite conclusions.
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Affiliation(s)
- Simone Giacopuzzi
- General and Upper GI Surgery Division, Azienda Ospedaliera Universitaria Integrata Verona, Piazzale Aristide Stefani 1, 37126, Verona, Italy
| | - Jacopo Weindelmayer
- General and Upper GI Surgery Division, Azienda Ospedaliera Universitaria Integrata Verona, Piazzale Aristide Stefani 1, 37126, Verona, Italy.
| | - Giovanni de Manzoni
- General and Upper GI Surgery Division, Azienda Ospedaliera Universitaria Integrata Verona, Piazzale Aristide Stefani 1, 37126, Verona, Italy
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24
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Singh A, Varghese LM, Battan B, Patra AK, Mandhan RP, Mahajan R. Eco-friendly scouring of ramie fibers using crude xylano-pectinolytic enzymes for textile purpose. Environ Sci Pollut Res Int 2020; 27:6701-6710. [PMID: 31873900 DOI: 10.1007/s11356-019-07424-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Accepted: 12/17/2019] [Indexed: 06/10/2023]
Abstract
This study was carried out to demonstrate the biotechnological potential of xylano-pectinolytic enzymes on scouring of ramie fibers. Optimization of bioscouring process showed a maximum effect of enzymes with 50-mM strength of buffer, pH 8.5, fibers to liquid ratio of 1 : 20 (g:ml). Xylanase and pectinase dosage of 7.5 and 3.0 IU, respectively, was found to be best for removal of xylan and pectin impurities, after treatment time of 1.5 h, at 50 °C temperature and 55 rpm agitation rate. EDTA and Tween 80 at concentration of 1.5 mM and 1.25 %, respectively, were found to be the best for effective removal of impurities, in order to improve hydrophilicity of the fibers. After bioscouring, brightness and whiteness values of bioscoured fibers were increased by 9.72 and 7.10% in comparison with control fibers. After enzymatic scouring, a reduction of 14.45 % in yellowness was also seen in ramie fibers. Enzymatic treatment resulted in 6.97% increased brightness, 10.64% increased whiteness, and 4.11% decreased yellowness as compared with scoured ramie fibers. The results indicated that scouring using xylanase and pectinase enzymes could be a substitute for chemical scouring technique. Enzymatic scouring is, therefore, environmentally sustainable and saves energy, also decreases the consumption of harmful chemicals used in alkaline scouring. This is the first report showing the effect of xylanase and pectinase enzymes, produced by a bacterial isolate, on physico-chemical and various optical properties of ramie fibers.
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Affiliation(s)
- Avtar Singh
- Department of Biotechnology, Kurukshetra University, Kurukshetra, India
| | | | - Bindu Battan
- Department of Biotechnology, Kurukshetra University, Kurukshetra, India
| | | | - Rishi Pal Mandhan
- Department of Biotechnology, Kurukshetra University, Kurukshetra, India
| | - Ritu Mahajan
- Department of Biotechnology, Kurukshetra University, Kurukshetra, India.
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25
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Wei J, Guo W, Yang X, Chen F, Fan Q, Wang H, Zhang N, Diao Q. Effects of dietary ramie level on growth performance, serum biochemical indices, and meat quality of Boer goats. Trop Anim Health Prod 2019; 51:1935-1941. [PMID: 31134555 DOI: 10.1007/s11250-019-01891-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Accepted: 04/11/2019] [Indexed: 12/16/2022]
Abstract
This study was conducted to evaluate the use of ramie as forage on growth performance, serum biochemical indices, and meat quality of Boer goats. For this, 60 Boer lambs were divided into four groups fed the TMR with 0%, 10%, 20%, and 40% (control, and groups I, II, III, respectively) ramie. The experiment lasted for 90 days with a pretest for 15 days. Venous blood and longissimus dorsi (LD) muscle samples were collected after 24 h fasted at the end of the experiment. The results showed that ramie seems no significant changes in average daily gain (ADG) and other parameters for growth performance, only 40% ramie in TMR significantly reduced average daily feed intake (ADFI) (P < 0.05). Compared to the control, group II (20%) showed significant increases in total protein (TP) and globulin (GLB) levels, and decreases in albumin/globulin level (P < 0.05) in serum. Meanwhile, serum total cholesterol (TC) (P < 0.05) and free thyroxine (FT4) level were significantly reduced with up to 20% or more ramie in TMR. Moreover, the total amino acid and flavor amino acid levels in LD muscle were not affected by ramie. However, significant increases (P < 0.05) were observed in linoleic acid, polyunsaturated fatty acid, and polyunsaturated fatty acid/saturated fatty acid levels in group II. Overall, these results indicated that up to 20% ramie in TMR have no impairment in growth performance, health and meat quality, whereas high level ramie might have a negative effect on feed intake.
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Affiliation(s)
- Jintao Wei
- Key Laboratory of Feed Biotechnology, Ministry of Agriculture, Feed Research Institute Chinese Academy of Agricultural Sciences, Beijing, 100081, China
- Institute of Animal Science and Veterinary Medicine, Hubei Academy of Agricultural Sciences, Wuhan, 430064, China
| | - Wanzheng Guo
- Institute of Animal Science and Veterinary Medicine, Hubei Academy of Agricultural Sciences, Wuhan, 430064, China
| | - Xuehai Yang
- Institute of Animal Science and Veterinary Medicine, Hubei Academy of Agricultural Sciences, Wuhan, 430064, China
| | - Fang Chen
- Institute of Animal Science and Veterinary Medicine, Hubei Academy of Agricultural Sciences, Wuhan, 430064, China
| | - Qiwen Fan
- Institute of Animal Science and Veterinary Medicine, Hubei Academy of Agricultural Sciences, Wuhan, 430064, China
| | - Hongwu Wang
- Xianning Academy of Agricultural Sciences, Xianning, 437100, China
| | - Naifeng Zhang
- Key Laboratory of Feed Biotechnology, Ministry of Agriculture, Feed Research Institute Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Qiyu Diao
- Key Laboratory of Feed Biotechnology, Ministry of Agriculture, Feed Research Institute Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
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26
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Gao G, Xiong H, Chen J, Chen K, Chen P, Yu C, Zhu A. Hydroponic method for ramie and removal of nitrogen and phosphorus from livestock wastewater. Int J Phytoremediation 2018; 20:545-551. [PMID: 29688056 DOI: 10.1080/15226514.2017.1393395] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
By using a hydroponic culture system, the terrestrial fiber crop ramie can growth optimally in aquatic environment and enhance exponentially quantities of high quality seedlings for subsequent field cultivation. In this study, the survival rate of ramie seedling was more than 97% when cultured using the novel hydroponic method. Further physiological analysis of the hydroponic ramie to different concentration of livestock wastewater demonstrated that all of these ramies can survival in livestock wastewater, but the 4 times diluted livestock wastewater (total N: 100.9 mg L-1, total P: 2.69 mg L-1) was more appropriate for ramie growth. The nutrients N and P in livestock wastewater were significantly decreased by the growth of ramie, and the removal efficiency of total N and total P in the 4 times diluted livestock wastewater achieved 78.1% and 43.1% respectively within 5 weeks. In conclusion, our studies highlight that the combination of ramie and the hydroponic technology resulted to be effective in the phytoremediation of livestock wastewater.
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Affiliation(s)
- Gang Gao
- a Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences , Changsha , China
| | - Heping Xiong
- a Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences , Changsha , China
| | - Jikang Chen
- a Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences , Changsha , China
| | - Kunmei Chen
- a Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences , Changsha , China
| | - Ping Chen
- a Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences , Changsha , China
| | - Chunming Yu
- a Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences , Changsha , China
| | - Aiguo Zhu
- a Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences , Changsha , China
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Gong X, Huang D, Liu Y, Zeng G, Wang R, Wan J, Zhang C, Cheng M, Qin X, Xue W. Stabilized Nanoscale Zerovalent Iron Mediated Cadmium Accumulation and Oxidative Damage of Boehmeria nivea (L.) Gaudich Cultivated in Cadmium Contaminated Sediments. Environ Sci Technol 2017; 51:11308-11316. [PMID: 28850225 DOI: 10.1021/acs.est.7b03164] [Citation(s) in RCA: 147] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
Nanoparticles can be absorbed by plants, but their impacts on phytoremediation are not yet well understood. This study was carried out to determine the impacts of starch stabilized nanoscale zerovalent iron (S-nZVI) on the cadmium (Cd) accumulation and the oxidative stress in Boehmeria nivea (L.) Gaudich (ramie). Plants were cultivated in Cd-contaminated sediments amended with S-nZVI at 100, 500, and 1000 mg/kg, respectively. Results showed that S-nZVI promoted Cd accumulation in ramie seedlings. The subcellular distribution result showed that Cd content in cell wall of plants reduced, and its concentration in cell organelle and soluble fractions increased at S-nZVI treatments, indicating the promotion of Cd entering plant cells by S-nZVI. In addition, the 100 mg/kg S-nZVI alleviated the oxidative damage to ramie under Cd-stress, while 500 and 1000 mg/kg S-nZVI inhibited plant growth and aggravated the oxidative damage to plants. These findings demonstrate that nanoparticles at low concentration can improve the efficiency of phytoremediation. This study herein develops a promising novel technique by the combined use of nanotechnology and phytoremediation in the remediation of heavy metal contaminated sites.
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Affiliation(s)
- Xiaomin Gong
- College of Environmental Science and Engineering, Hunan University , Changsha 410082, China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha 410082, China
| | - Danlian Huang
- College of Environmental Science and Engineering, Hunan University , Changsha 410082, China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha 410082, China
| | - Yunguo Liu
- College of Environmental Science and Engineering, Hunan University , Changsha 410082, China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha 410082, China
| | - Guangming Zeng
- College of Environmental Science and Engineering, Hunan University , Changsha 410082, China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha 410082, China
| | - Rongzhong Wang
- College of Environmental Science and Engineering, Hunan University , Changsha 410082, China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha 410082, China
| | - Jia Wan
- College of Environmental Science and Engineering, Hunan University , Changsha 410082, China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha 410082, China
| | - Chen Zhang
- College of Environmental Science and Engineering, Hunan University , Changsha 410082, China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha 410082, China
| | - Min Cheng
- College of Environmental Science and Engineering, Hunan University , Changsha 410082, China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha 410082, China
| | - Xiang Qin
- College of Environmental Science and Engineering, Hunan University , Changsha 410082, China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha 410082, China
| | - Wenjing Xue
- College of Environmental Science and Engineering, Hunan University , Changsha 410082, China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha 410082, China
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Graupner N, Labonte D, Humburg H, Buzkan T, Dörgens A, Kelterer W, Müssig J. Functional gradients in the pericarp of the green coconut inspire asymmetric fibre-composites with improved impact strength, and preserved flexural and tensile properties. Bioinspir Biomim 2017; 12:026009. [PMID: 28245197 DOI: 10.1088/1748-3190/aa5262] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Here we investigate the mechanical properties and structural design of the pericarp of the green coconut (Cocos nucifera L.). The pericarp showed excellent impact characteristics, and mechanical tests of its individual components revealed gradients in stiffness, strength and elongation at break from the outer to the inner layer of the pericarp. In order to understand more about the potential effect of such gradients on 'bulk' material properties, we designed simple, graded, cellulose fibre-reinforced polylactide (PLA) composites by stacking layers reinforced with fibres of different mechanical properties. Tensile properties of the graded composites were largely determined by the 'weakest' fibre, irrespective of the fibre distribution. However, a graded design led to pronounced asymmetric bending and impact properties. Bio-inspired, asymmetrically graded composites showed a flexural strength and modulus comparable to that of the strongest reference samples, but the elongation at maximum load was dependent on the specimen orientation. The impact strength of the graded composites showed a similar orientation-dependence, and peak values exceeded the impact strength of a non-graded reference composite containing identical fibre fractions by up to a factor of three. In combination, our results show that an asymmetric, systematic variation of fibre properties can successfully combine desirable properties of different fibre types, suggesting new routes for the development of high-performance composites, and improving our understanding of the structure-function relationship of the coconut pericarp.
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Affiliation(s)
- Nina Graupner
- HSB-City University of Applied Sciences Bremen, Biomimetics-The Biological Materials Group, Bremen, Germany
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Xu S, Gong XF, Zou HL, Liu CY, Chen CL, Zeng XX. Recycling agriculture wastes of ramie stalk as bioadsorbents for Cd(2+) removal: a kinetic and thermodynamic study. Water Sci Technol 2016; 73:396-404. [PMID: 26819396 DOI: 10.2166/wst.2015.475] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
In this study, we exhibit the recycling of agriculture wastes of ramie stalk as bioadsorbents for Cd(2+) removal. Based on our experimental results, it is realized that Cd(2+) adsorption to ramie stalk is highly pH sensitive, indicating the adsorption is driven by surface complexation reaction. The high adsorption capacity of ramie stalk toward Cd(2+) (qm = 10.33 mg g(-1), 0.09 mol-Cd g(-1)), which corresponds to around 21.95% of active adsorption sites available of ramie stalk, is believed to be closely related to its high cellulose and lignin content. The inhomogeneous surface of ramie stalk due to the high cellulose and lignin content also accounts for the observation that the adsorption kinetic is described well by the pseudo second order kinetic model. Results from thermodynamic studies suggest that the adsorption process is endothermic and spontaneous. All these properties demonstrate the potential of ramie stalk as a low cost bioadsorbent for the application of heavy metal removal.
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Affiliation(s)
- S Xu
- School of Resource Environmental and Chemical Engineering, Nanchang University, Nanchang 330031, China E-mail:
| | - X F Gong
- School of Resource Environmental and Chemical Engineering, Nanchang University, Nanchang 330031, China E-mail:
| | - H L Zou
- School of Resource Environmental and Chemical Engineering, Nanchang University, Nanchang 330031, China E-mail:
| | - C Y Liu
- School of Resource Environmental and Chemical Engineering, Nanchang University, Nanchang 330031, China E-mail:
| | - C L Chen
- School of Resource Environmental and Chemical Engineering, Nanchang University, Nanchang 330031, China E-mail:
| | - X X Zeng
- School of Resource Environmental and Chemical Engineering, Nanchang University, Nanchang 330031, China E-mail:
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Guo F, Sun W, Li X, Zhao J, Qu Y. [Pretreatment of ramie and kenaf stalk for bioethanol production]. Sheng Wu Gong Cheng Xue Bao 2014; 30:774-783. [PMID: 25118401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Ramie and kenaf were traditional fiber crops in China, but their stalk after decorticating has not been used effectively. The stalk contains a lot of cellulose, and can therefore be used for the production of bioethanol. We studied the effects of different chemical pretreatment on enzymatic digestibility of ramie stalk and kenaf stalk. Ramie and kenaf stalks pretreated with alkali were chosen to produce ethanol using quasi-simultaneous saccharification and fermentation (Q-SSF) process. The results show that for the stalks pretreated with 4% NaOH and 0.02% anthraquinone-2-sulfonic acid sodium salt (AQSS) as catalyzer at 170 degrees C for 1 h, the ethanol concentration could reach 51 g/L after fermentation for 168 h at 18% of solid substrate concentration. By fed-batch to 20% of solid substrate concentration, the ethanol concentration could reach 63 g/L, 77% and 79% of the cellulose conversion could get for ramie stalk and kenaf stalk, respectively. For kenaf stalk pretreated with 5.2% NaHSO3 and 0.2% H2SO4 at 170 degrees C for 1 h, the ethanol concentration and cellulose conversion could reach to 65 g/L and 72%, respectively.
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Tian XY, Xu M, Deng B, Leung KSY, Cheng KF, Zhao ZZ, Zhang SP, Yang ZJ, Deng PX, Xu DY, Xu XP, Koo I, Wong M. The effects of Boehmeria nivea (L.) Gaud. on embryonic development: in vivo and in vitro studies. J Ethnopharmacol 2011; 134:393-398. [PMID: 21195153 DOI: 10.1016/j.jep.2010.12.034] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2010] [Revised: 12/05/2010] [Accepted: 12/27/2010] [Indexed: 05/30/2023]
Abstract
AIM OF THE STUDY Boehmeria nivea (L.) Gaud. was commonly used to treat miscarriages clinically. The aim of this study was to examine its safety for embryonic development. MATERIALS AND METHODS Pregnant mice were randomly assigned into 5 groups, i.e. mice were oral-treated with distilled water (G1), with Boehmeria nivea extract of 2, 8 or 32 g/kg/day (G2, G3 or G4), and with 3 doses of vitamin A of 200,000 IU/kg as positive controls (G5). Meanwhile, IC(50) values for both embryonic stem cells (ESCs) and 3T3 cells were detected by cytotoxicity assays. RESULTS (1) The resorptions and malformed fetuses in G5 were significantly higher than G1 (P<0.001), whereas the maternal body-weight and uterus-weight were lower than G1 (P<0.05); (2) there was no difference in the fetal body-weight, maternal relative body-weight gain, liver-, kidney- or heart-weight, relative organ-weight, and histological examination among five groups; (3) there was no difference in IC(50) values between ESCs and 3T3 cells, but high concentration of Boehmeria nivea extract might significantly lower ESCs' viability (P<0.05). CONCLUSION Boehmeria nivea extract at 32 g/kg/day did not cause significant embryotoxicity or maternal toxicity in mice, although it might cause cytotoxicity in cultured ESCs at a high dose.
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Affiliation(s)
- Xiao Ying Tian
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong
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Wang G, Huang AM, Hu XX, Chen FM. [Discrimination of bamboo fiber and ramie fiber by near infrared spectroscopy]. Guang Pu Xue Yu Guang Pu Fen Xi 2010; 30:2365-2367. [PMID: 21105396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
The research on discrimination of natural bamboo fiber, bamboo pulp fibers and ramie fiber used in textile was demonstrated by near infrared (NIR) spectroscopy. First, the spectra of three kinds of fiber were scanned by NIR spectrometer. Then, the spectral data were pretreated by first derivatives. In the end, the databases and discriminating model of natural bamboo fiber, bamboo pulp fibers and ramie fiber were built. The kind of unknown fiber can be discriminated by the NIR model. The results indicated that the natural bamboo fiber, bamboo pulp fibers and ramie fiber can been discriminated quickly by NIR spectroscopy without destroying samples.
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Affiliation(s)
- Ge Wang
- International Centre for Bamboo and Rattan, Beijing 100102, China.
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Sancheti S, Sancheti S, Seo SY. Evaluation of antiglycosidase and anticholinesterase activities of Boehmeria nivea. Pak J Pharm Sci 2010; 23:236-240. [PMID: 20363706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
In this era, major community worldwide is suffering from diabetes type II, cancer and neurodegenerative disorders. To overcome these diseases, in the screening of Korean medicinal plants, we studied the whole plant of Boehmeria nivea (B. nivea). The methanolic leaf, stem and root extracts of B. nivea and their respective n-hexane, methylene chloride (CH(2)Cl(2)), ethyl acetate (EtOAc), n-butanol (BuOH) and aqueous fractions were investigated for their total phenolic content (TPC), 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging activity, alpha-glucosidase, beta-glucosidase, alpha-galactosidase, beta-galactosidase, acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) enzyme inhibition activities. Profound TPC and DPPH free radical scavenging activities were observed in the EtOAc and BuOH fractions of root, where the BuOH fraction showed high-pitched alpha-glucosidase inhibition and the EtOAc layer showed the maximum beta-glucosidase inhibition. Furthermore, the leaf extract demonstrated the highest beta-galactosidase inhibitory activity, but no alpha-galactosidase inhibition was seen in any of the plant parts. Notable BChE and moderate AChE inhibitory activity was found in whole plant. It can be suggested that whole plant of B. nivea provides a strong biochemical rationale as one of the good choices for the treatment of diabetes type II, cancer and neurodegenerative diseases (AD, etc).
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Affiliation(s)
- Sandesh Sancheti
- Department of Biology, Kongju National University, Kongju 314-701, Korea
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Williams LAD, Igietseme JU, Whittaker JA, Smikle MF, Bailey-Shaw YA, Barton EN. Immunological evidence supporting the use of extracts from Boehmeria jamaicensis Urb for treating the common cold and sinus infections. W INDIAN MED J 2007; 56:487-490. [PMID: 18646490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Mixed lymphocyte responses assays were conducted at 25.0 and 250.0 microg/mL of the crude ethanolic extract of Boehmeria jamaicensis Urb (coded as BJE) using peripheral lymphocytes obtained from individuals suffering from the common cold after four days of infection and from healthy individuals (without the common cold infection). At a concentration of 25 ug/mL, gamma interferon (IFN-gamma) was increased by 24.03 fold and interleukin 4 (IL-4) by 1.71 fold for the cells obtained from individuals with the common cold (Group A). The extract suppressed IFN-gamma by 8.3% while IL-4 was stimulated by 9.90 fold from peripheral lymphocytes obtained from healthy individuals (Group B). Gamma interferon was suppressed at 250 microg/mL while IL-4 was elevated by 1.86 fold for cells obtained from individuals suffering from the common cold (Group A). In conclusion, BJE could have implications for the treatment of the common cold.
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Affiliation(s)
- L A D Williams
- The Natural Products Unit of the Scientific Research Council of Jamaica, Kingston 6, Jamaica, West Indies.
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Yan J, Luo D, Luo Y, Gao X, Zhang G. Induction of G1 arrest and differentiation in MDA-MB-231 breast cancer cell by boehmeriasin A, a novel compound from plant. Int J Gynecol Cancer 2006; 16:165-70. [PMID: 16445628 DOI: 10.1111/j.1525-1438.2006.00291.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Boehmeriasin A is a new phenanthroquinolizidine alkaloid recently isolated from the Boehmeria siamensis Craib (Urticaceae). In vitro biological activity assay demonstrated that this novel compound has wide-range, strong antitumor activity. This study is aimed to determine the effects of boehmeriasin A on breast cancer cell (MDA-MB-231 cell line). Proliferation assay and fluorescence activated cell sorter (FACS) showed that cell growth inhibition and G1 phase arrest of cell cycle were caused by boehmeriasin A. The concentrations resulting in total and 50% growth inhibition are 0.007 and 0.0035 microg/mL, respectively. Exposed in 0.007 microg/mL boehmeriasin A for 12 h, the G1 phase cell percent increased from 44.8% pre-drug treatment to 66.3%. Consistent with G1 arrest and cell growth inhibition, cyclin E2 and cyclin D1 messenger RNA expression in the cell was down-regulated with drug treatment. Then, few apoptotic cells were detected, and most other cells underwent differentiation, which is characterized by specific changes in cell morphology, lots of lipid droplet accumulation, and increasing expression of adipocyte differentiation-related protein. The result first demonstrates that boehmeriasin A potently inhibits the proliferation of breast cancer cell MDA-MB-231 via the G1 phase cell cycle arrest and differentiation induction, and as such, may be considered as candidate chemotherapeutic and/or chemopreventive agent for breast cancer.
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Affiliation(s)
- J Yan
- Institute of materia medica, Di Ao Pharmaceutical Group, Chengdu 610041, People's Republic of China
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Abstract
Two new phenanthroquinolizidine alkaloids, boehmeriasins A and B, were isolated from the aqueous ethanolic extract of Boehmeria siamensis Craib (Urticaceae) by bioassay-guided fractionation. Their structures were elucidated on the basis of spectral evidence. Boehmeriasin A possesses cytotoxic activity against 12 cell lines from 6 panels of cancer including lung cancer, colon cancer, breast cancer, prostate cancer, kidney cancer and leukemia with GI (50) between 0.2 and 100 ng/mL, whereas boehmeriasin B showed lower activity.
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Affiliation(s)
- Yinggang Luo
- Chengdu Institute of Biology, the Chinese Academy of Sciences, Chengdu 610-041, P. R. China
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