Article
Agricultural Engineering
Junhao Lin, Zibo Xu, Qiaozhi Zhang, Yang Cao, Ondr ej Mas, Hanwu Lei, Daniel C. W. Tsang
Summary: This study presents a method of programmed microwave pyrolysis combined with low-dose ferric chloride to produce hydrophobic porous biochar suitable for efficient adsorption of benzene derivatives. The results show that programmed microwave pyrolysis can significantly increase the specific surface area of biochar and enhance its adsorption capacity for benzene and toluene.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Chao Song, Fanfan Cai, Shuang Yang, Ligong Wang, Guangqing Liu, Chang Chen
Summary: This paper developed a machine learning model to predict the biochemical methane potential during anaerobic digestion. Model analysis identified lignin content, organic loading, and nitrogen content as key attributes for methane production prediction. For feedstocks with high cellulose content, early methane production is lower but can be improved by prolonging digestion time. Moreover, lignin content exceeding a certain value significantly inhibits methane production.
BIORESOURCE TECHNOLOGY
(2024)
Article
Biotechnology & Applied Microbiology
Yujun Zhai, Weina Tian, Kewei Chen, Linshu Lan, Jianquan Kan, Hui Shi
Summary: This research investigates the role of flagella-related genes in the adhesion of E. coli O157:H7 and the effects of certain cations on bacterial adhesion and motility. The results demonstrate that flagellar-mediated motility is critical in the early stage of adhesion, and the presence of Fe2+, Ca2+, and Mn2+ affects the adhesion and motility of wildtype strains but not flagellar function-impaired strains. These findings provide new insights into the mechanisms of bacterial adhesion and have implications for the development of anti-adhesion agents.
Article
Biotechnology & Applied Microbiology
Tong Jin, Xiangjun Zhan, Liuxin Pang, Bo Peng, Xinpeng Zhang, Wenxiu Zhu, Baowei Yang, Xiaodong Xia
Summary: The study found that CpxAR TCS is an important regulatory mechanism for the virulence of C. sakazakii. Mutants showed weakened adhesion, invasion, and survival ability, and exhibited attenuated virulence in animal models. In addition, CpxAR TCS is involved in regulating the expression of genes associated with bacterial virulence and cellular invasion.
Article
Biochemical Research Methods
Loushambam Samananda Singh
Summary: Antibiotic resistance has become a major concern for global public health, and phage therapy is seen as an alternative for treating multidrug resistant bacterial infections. Nano-emulsion encapsulation is described as the best approach to maintain phage efficacy.
Article
Biochemical Research Methods
Junling Guo, Zhongyi Cheng, Zhemin Zhou
Summary: This study focused on a halophilic archaeal nitrile hydratase (NHase) and found that it exhibited higher tolerance to substrates and products compared to NHases from other sources. The unique genetic structure of this highly stable archaeal NHase could provide a theoretical foundation for modifying and enhancing the industrial application of NHase.
PROTEIN EXPRESSION AND PURIFICATION
(2024)
Article
Agricultural Engineering
Meixin Guo, Meng Guo, Yong Wang, Mingxiao Li, Xuejiao Qi, Sijia Wei, Xuan Jia
Summary: This study investigates the addition of sludge to AD-MEC to improve system performance and explore microbial interactions after electric field domestication. The results show that the addition of sludge increases methane production and enhances the sludge's continuous methanogenic capacity. Further analysis reveals that the sludge in the AD-MEC system has enhanced extracellular electron transfer capacity and forms a microbial community with synergistic acid degradation and methanogenesis capabilities.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Jeremy Z. Yan, Prashant Kumar, Wolfgang Rauch
Summary: This study investigates the impact of turbulent diffusion on mixing of biochemical reaction models and develops a new codebase called CHAD to incorporate and validate turbulent diffusion. The findings show that the implemented models accurately capture turbulent diffusion and reveal that thermal turbulent diffusion significantly influences mixing.
BIORESOURCE TECHNOLOGY
(2024)
Review
Agricultural Engineering
Yongteng Zhao, Qingwei Wang, Dan Gu, Feiyan Huang, Jiani Liu, Lei Yu, Xuya Yu
Summary: This review highlights the role of melatonin in promoting the accumulation of high-value metabolites and enhancing stress resistance in microalgae. It discusses the underlying mechanisms of melatonin and offers new perspectives on utilizing it to improve microalgal productivity and stress resistance in challenging environments.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Yaju Xue, Xiuling Ji, Zhuang Li, Fuqiang Ma, Jingjie Jiang, Yuhong Huang
Summary: This study developed two recombinant mutants with enhanced CO2 reduction activity, leading to improved efficiency in converting CO2 to methanol. Molecular dynamics analysis revealed that increasing the width of the substrate pocket and enhancing the rigidity of C-terminal residues were key factors in improving the enzyme's reduction activity.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Zhengyu Yan, Dahong Chen, Ye Qiu, Dongyi Li, Chen Yan, Jiannan Li, Da Li, Guohong Liu, Yujie Feng
Summary: A pilot-scale carbon fibers enhanced ecological floating beds (CF-EFBs) were constructed and found to have better removal efficiency for nitrogen, phosphorus, and chemical oxygen demand compared to non-enhanced EFBs. The concentrations of COD, TIN, and TP in the effluent were 18.11 +/- 4.52 mgL-1, 1.95 +/- 0.92 mgL-1, and 0.13 +/- 0.08 mgL-1 respectively, while the average removal of TIN, TP, and COD from tailwater was 0.96 gm- 2d-1, 0.07 gm- 2d-1, and 2.37 gm- 2d-1 respectively.
BIORESOURCE TECHNOLOGY
(2024)
Article
Biotechnology & Applied Microbiology
So Yeong Mun, Wooje Lee, Soo-Young Lee, Ji Yoon Chang, Hae Choon Chang
Summary: This study reveals that lactobacilli with a strong defense system dominate the final stage of kimchi fermentation and proposes a model for the succession mechanism of kimchi lactobacilli.
Article
Biotechnology & Applied Microbiology
Soo-Hwan Kim, Sang-Hyun Park, Jun-Bae Ahn, Dong-Hyun Kang
Summary: In this study, a semi continuous SHS system was developed to inactivate foodborne pathogens on radish seed surfaces and enhance the seeds' salinity tolerance. The results showed that higher temperature and more treatments led to a significant reduction in microbial count on the seed surface.
Article
Agricultural Engineering
Chen Fang, Ya Su, Qianting Zhuo, Xiaoli Wang, Shuangshuang Ma, Muqing Zhan, Xueqin He, Guangqun Huang
Summary: This study evaluated the effects of different aeration and semi-permeable membrane-covered strategies on bacterial communities, greenhouse gas emissions, and metabolic functions. The results showed that forced aeration coupled with semi-permeable membrane-covered was an effective strategy for reducing greenhouse gas emissions.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Zhihao Peng, Qiong Zhang, Xiyao Li, Shouyou Gao, Caifang Jiang, Yongzhen Peng
Summary: In this study, steady endogenous partial denitrification (EdPD) was achieved by regulating the competition and cooperation between microorganisms, resulting in a balanced phosphorus removal efficiency and nitrite transformation rate, which contributed to advanced nitrogen removal.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Chong Shen, Yizeng Li, Gang Lu, Qin Meng
Summary: This study introduced electrodialysis technology as an alternative method for purifying rhamnolipids hydrolysate, significantly reducing wastewater generation and repurposing it into water-soluble fertilizer. This fertilizer with various nutritional components showed promising effects in enhancing tomato plant growth and fruit quality. The electrodialysis treatment has the potential for reducing water volume and economic costs, making it suitable for large-scale rhamnose production.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Yuan Sui, You-Wei Cui, Ji-Lin Huang, Meng-Jiao Xu
Summary: The feast/famine ratio was found to regulate the population succession of autotrophic ammonia oxidizing bacteria (AOB) and heterotrophic nitrification-aerobic denitrification (HN-AD) bacteria, providing a solution for enriching HN-AD bacteria in halophilic aerobic granular sludge (HAGS) systems.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Siqi Zhang, Jingyi Cao, Yajiao Zheng, Meifang Hou, Lili Song, Jiandie Na, Yiqiang Jiang, Yichen Huang, Tianyi Liu, Hua Wei
Summary: The effect of coagulation, flocculation, and their combination using FeCl3 and PAM on algae cells and extracellular organic matter (EOM) was investigated. FeCl3 + PAM exhibited the highest removal efficiency during stationary phase I.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Yixiang Cai, Feng Liu, Guiyi He, Xiaoliang Kong, Yuexi Jiang, Ji Liu, Binghua Yan, Shunan Zhang, Jiachao Zhang, Zhiyong Yan
Summary: This study used Trichoderma and activated sludge to construct combined activated sludge (TAS) and employed a metagenomic approach to investigate the shift in microbial community structure and function of TAS under amoxicillin stress. The findings revealed that increased abundance of certain genes contributed to the reduction in total phosphorus removal by TAS, while increased abundance of specific bacterial phyla improved TP removal. Furthermore, antibiotic inactivation has become the primary antibiotic resistance mechanism in TAS.
BIORESOURCE TECHNOLOGY
(2024)
Article
Biotechnology & Applied Microbiology
Shaofeng Zhou, Wenwen An, Cuifen Gan, Meiying Xu
Summary: Bacteria generate and release extracellular reactive oxygen species (eROS), which significantly contribute to the natural ROS pool and play a crucial role in metabolic interactions of bacteria with their environment. Understanding the behavior of eROS-generating bacteria and its environmental implications is of great importance in the cycling of biogeochemical elements, transformation of organic matter, and regulation of antibiotic resistance genes.
INTERNATIONAL BIODETERIORATION & BIODEGRADATION
(2024)
