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| 1 | Metabolic engineering using acetate as a promising building block for the production of bio‐based chemicals显示文摘The production of biofuels and biochemicals derived from microbial fermentation has received a lot of attention and interest in light of concerns about the depletion of fossil fuel resources and climatic degeneration.However,the economic viability of feedstocks for biological conversion remains a barrier,urging researchers to develop renewable and sustainable low-cost carbon sources for future bioindustries.Owing to the numerous advantages,acetate has been regarded as a promising feedstock targeting the production of acetyl-CoA-derived chemicals.This review aims to highlight the potential of acetate as a building block in industrial biotechnology for the production of bio-based chemicals with metabolic engineering.Different alternative approaches and routes com-prised of lignocellulosic biomass,waste streams,and C1 gas for acetate generation are briefly described and evaluated.Then,a thorough explanation of the metabolic pathway for biotechnological acetate conversion,cel-lular transport,and toxin tolerance is described.Particularly,current developments in metabolic engineering of the manufacture of biochemicals from acetate are summarized in detail,with various microbial cell factories and strategies proposed to improve acetate assimilation and enhance product formation.Challenges and future development for acetate generation and assimilation as well as chemicals production from acetate is eventually shown.This review provides an overview of the current status of acetate utilization and proves the great potential of acetate with metabolic engineering in industrial biotechnology. | Guiping Gong Bo Wu Linpei Liu Jianting Li Qili Zhu Mingxiong He Guoquan Hu | 2022 | Engineering Microbiology2022，2，4： | 1 |
| 2 | Fast direction finding using modified pseudocovariance matrix显示文摘 | Wen Zhang Li Linpei Wei Ping | 2006 | IEEE Transactions on Antennas and Propagation2006，54，12： | 1 |
| 3 | Flat soliton microcomb source显示文摘Mode-locked microcombs with flat spectral profiles provide the high signal-to-noise ratio and are in high demand for wavelength division multiplexing(WDM)-based applications,particularly in future high-capacity communication and parallel optical computing.Here,we present two solutions to generate local relatively flat spectral profiles.One microcavity with ultra-flat integrated dispersion is pumped to generate one relatively flat single soliton source spanning over 150 nm.Besides,one extraordinary soliton crystal with single vacancy demonstrates the local relatively flat microcomb lines when the inner soliton spacings are slightly irregular.Our work paves a new way for soliton-based applications owing to the relatively flat spectral characteristics. | Xinyu Wang Xuke Qiu Mulong Liu Feng Liu Mengmeng Li Linpei Xue Bohan Chen Mingran Zhang Peng Xie | 2023 | Opto-Electronic Science2023，2，12： | 1 |
| 4 | Energy-efficient computation offloading assisted by RIS-based UAV显示文摘The new applications surge with the rapid evolution of the mobile communications.The explosive growth of the data traffic aroused by the new applications has posed great computing pressure on the local side.It is essential to innovate the computation offloading methods to alleviate the local computing burden and improve the offloading efficiency.Mobile edge computing(MEC)assisted by reflecting intelligent surfaces(RIS)-based unmanned aerial vehicle(UAV)is a promising method to assist the users in executing the computation tasks in proximity at low cost.In this paper,we propose an energy-efficient MEC system assisted by RIS-based UAV,where the UAV with RIS mounted relays the computation tasks to the MEC server.The energy efficiency maximization problem is formulated by jointly optimizing the UAV's trajectory,the transmission power of all users,and the phase shifts of the reflecting elements placed on the UAV.Considering that the optimization problem is non-convex,we propose a deep deterministic policy gradient(DDPG)-based algorithm.By combining the DDPG algorithm with the energy efficiency maximization problem,the optimization problem can be resolved.Finally,the numerical results are illustrated to show the performance of the system and the superiority compared with the benchmark schemes. | Li Linpei Zhao Chuan Su Yu Huo Jiahao Huang Yao Li Haojin | 2024 | The Journal of China Universities of Posts and Telecommunications2024，31，1： | 0 |
| 5 | Synthesis and Crystal Structure of Europium Associate(C34H54N2O10)[Eu(NO3)5]显示文摘Lariatethersarerecognizedaspotentialcationbinders.Theyoferselectionandamodificationforthecationbindingabilityoftheparentcr... | Chen, Zhaohui Li, Fuyou Jin, Linpei Guo, Jianquan | 1999 | Journal of Rare Earths1999，17，1： | 0 |
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