Hongkai Liu

Xi’an University of Posts and Telecommunications

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Xiaoyan Zhao

University of Jinan

Xiaowei Zhang

Tianjin University of Science and Technology

Yunping Zhu

Beijing Technology and Business University

Kang Yu-fan

China Agricultural University

Qiang Ao

Sichuan University

Haifang Hu

Xinjiang Academy of Forestry

Xiangrui Ren

University of Jinan

Zhenhua Li

Guizhou University

Jing Tian

Second Hospital of Shandong University

Anthony A. James

University of California, Irvine

Cooperative Institutions

Chinese Academy of Sciences

Southern Medical University

University of Jinan

China Agricultural University

University of Chinese Academy of Sciences

Sichuan University

Harbin Institute of Technology

Huazhong University of Science and Technology

Chinese Academy of Medical Sciences & Peking Union Medical College

Wuhan University

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Interspecific mating bias may drive Aedes albopictus displacement of Aedes aegypti during its range expansion

PNAS Nexus (2022)

Jiayong Zhou Shuang Liu Hongkai Liu Zhensheng Xie Liping Liu

Abstract Aedes albopictus is the most invasive mosquito in the world and often displaces Ae. aegypti in regions where their populations overlap. Interspecific mating has been proposed as a possible cause for this displacement, but whether this applies across the range of their sympatry remains unclear. Aedes albopictus and Ae. aegypti collected from allopatric and sympatric areas in China were allowed to interact in cage experiments with different crosses and sex-choices. The results confirm that asymmetric interspecific mating occurs in these populations with matings between allopatric Ae. albopictus males and Ae. aegypti females being significantly higher (55.2%) than those between Ae. aegypti males and Ae. albopictus females (27.0%), and sympatric mosquitoes showed a similar but lower frequency bias, 25.7% versus 6.2%, respectively. The cross-mated females can mate second time (remate) with the respective conspecific males and the 66.7% remating success of female Ae. albopictus was significantly higher than the 9.3% of Ae. aegypti females. Furthermore, 17.8% of the matings of Ae. albopictus males exposed to mixed pools of Ae. albopictus and Ae. aegypti females and 9.3% of the matings of Ae. aegypti males with mixed Ae. aegypti and Ae. albopictus females were interspecific. The difference in the length of clasper between male Ae. albopictus (0.524 mm) and Ae. aegypti (0.409 mm) may be correlated with corresponding mates. We conclude that stronger Ae. albopictus male interspecific mating and more avid female intraspecific remating result in a satyr effect and contribute to competitive displacement of Ae. aegypti as allopatric Ae. albopictus invade during range expansion.

Aedes albopictus

10.1093/pnasnexus/pgac041

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The Effects of Processing on Bioactive Compounds and Biological Activities of Sorghum Grains

Molecules (2022)

Zhenhua Li Xiaoyan Zhao Xiaowei Zhang Hongkai Liu

Sorghum is ranked the fifth most commonly used cereal and is rich in many kinds of bioactive compounds. Food processing can affect the accumulation and decomposition of bioactive compounds in sorghum grains, and then change the biological activities of sorghum grains. The present review aims to analyze the effects of processing technologies on bioactive compounds and the biological activities of sorghum grains. Decortication reduces the total phenols, tannins, and antioxidant activity of sorghum grains. The effects of thermal processes on bioactive compounds and potential biological activities of sorghum grains are complicated due to thermal treatment method and thermal treatment conditions, such as extrusion cooking, which has different effects on the bioactive compounds and antioxidant capacity of sorghum due to extrusion conditions, such as temperature and moisture, and food matrices, such as whole grain and bran. Emerging thermal processes, such as microwave heating and high-pressure processing, could promote the release of bound phenolic substances and procyanidins, and are recommended. Biological processes can increase the nutritive and nutraceutical quality and reduce antinutritional compounds, except for soaking which reduces water-soluble compounds in sorghum.

Nutraceutical

Bioactive compound

10.3390/molecules27103246

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Citations (18)

Fast 3D scene segmentation and classification with sequential 2D laser scanning data in urban environments

Hongkai Liu Guojian He Haichen Yu Yan Zhuang Wei Wang

3D scene segmentation and classification are two challenging tasks for unmanned ground vehicles (UGVs) working in urban environments. According to the structured characters existing in urban scenes, a novel 3D scene segmentation approach is proposed based on region growing algorithm using sequential 2D laser scanning data. Since no iteration procedure is used in this approach, it can perform fast segmentation than traditional ones such as k-means based segmentation approach. A Conditional Random Field (CRF) model is utilized in our urban scene classification framework, in which each segmented patch is selected as a CRF node and the high-order cliques are generated by a clustering algorithm. The experimental results based on DUT2 dataset and KAIST dataset are given to demonstrate the validity and robustness of the proposed approach.

Robustness

Laser Scanning

Segmentation-based object categorization

10.1109/chicc.2016.7554484

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Citations (2)

Chiral functional composites with broadening absorption and Modulatable Cotton effect

Composites Communications (2021)

Deyin Wang Hongkai Liu Wei Wang

Cotton effect

Vinyl alcohol

10.1016/j.coco.2021.100859

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Lane‐changing control strategy for distributed drive vehicles considering yaw stability

IET Intelligent Transport Systems (2024)

Jianjun Hu Hongkai Liu Sijing Yi Chao Huang

Abstract Intelligent vehicles are prone to dangerous issues such as sideslip and instability when changing lanes to avoid obstacles under some extreme conditions. Therefore, to improve safety and stability during the obstacle‐avoidance process, this paper proposes a lane‐change control method that considers yaw stability based on distributed drive electric vehicles. Fuzzy adaptive model predictive control and proportional integral derivative (PID) control are, respectively, established to compute the optimal front wheel steering angle and vehicle longitudinal torque under lateral and longitudinal decoupling. Additionally, a direct yaw moment controller is constructed based on model predictive control to calculate the additional yaw moment, which is then distributed according to the tire adhesion utilisation rate to optimise yaw stability in lane‐changing obstacle‐avoidance scenarios. Finally, the proposed control framework is verified in typical obstacle‐avoidance scenarios. The results show that, compared to the control method that do not consider yaw stability, the average yaw rate deviation is reduced by 54.0% on high‐adhesion road surfaces and by 61.2% on low‐adhesion road surfaces, achieving further optimsation in the safety and stability of the obstacle‐avoidance process.

Yaw

Electronic stability control

10.1049/itr2.12605

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Influence of Germination on the Bioactivity, Structural, Functional and Volatile Characteristics of Different Chickpea Seeds

Hong‐Yan Mao Shuo Yuan Li Qin Xiaoyan Zhao Xiaowei Zhang

In this paper, the objective was to evaluated the impact of germination of chickpea cultivars (Muying1, Y2-514 and YZ-364) on the bioactivity, volatiles and functional properties. The results showed that the Vc content of Muying1, Y2-514 and YZ-364 after germination significantly increased (p < 0.05). Moreover, the germination also caused a significant decrease in lower transition temperatures and enthalpy values in chickpea flours (p < 0.05). After germination treatment, β-sheet and random coils increased and β-turn decreased in YZ-364; α-helix, β-sheet and random coil in Y2-514 and Muying1 decreased, while β-turn increased. The germination significantly enhanced WHC, OHC, EA, ES, FC of three chickpea flours (p < 0.05), but FS decreased. It was proved that the germination significantly enhanced the total phenolic and flavonoids content, antioxidant activity and in vitro protein digestibility. The GC-IMS revealed that the germination could affect the contents of volatile compounds of chickpea flours.

10.2139/ssrn.4627175

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Author response for "Amino acid, structure and antioxidant properties of <i>Haematococcus pluvialis</i> protein hydrolysates produced by different proteases"

Yunping Zhu Xiaoyan Zhao Xiaowei Zhang Hongkai Liu Qiang Ao

10.1111/ijfs.14618/v3/response1

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Influence of Germination on the Bioactivity, Structural, Functional and Volatile Characteristics of Different Chickpea Flours

Xiangrui Ren Hong‐Yan Mao Xiaoyan Zhao Shuo Yuan Li Qin

10.2139/ssrn.4494952

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