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您的检索式：作者名="Qiaohan Lin"
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| 1 | Digestion performance improvement of tributyrin through nano-emulsion preparation technology显示文摘The current research aimed to optimize the preparation technology of tributyrin nano-emulsion(TBNE)to improve its digestion properties, which were investigated through digestion models in vitro and in vivo. The content of each component of TBNE was optimized by response surface methodology(RSM) to improve the z-average particle size and stability of TBNE. The optimized TBNE was evaluated for its digestion properties by in vitro and in vivo models. The preparation conditions of TBNE optimized by RSM were as follows: 61.3% of sorbitol, 32.7% of tributyrin, and 6.0% of modified phospholipid(MP). The predicted z-average particle size of TBNE was(246.02 ± 18.10) nm. The results of the verification test showed that the z-average particle size, zeta potential, conductivity, emulsification activity index, and emulsification stability index of TBNE were(250.02 ± 7.18) nm,(-40.23 ± 0.76) m V,(31.80 ± 2.09) μS/cm,(848.00 ± 84.53) min and(1.14 ± 0.02) m^(2)/g, respectively. The in vitro digestion experiment results showed that the TBNE remained stable in the stomach and was released in the intestine, while the size of TBNE in the gastrointestinal tact was significantly smaller than that of tributyrin(P < 0.05), which made it easier to be digested and absorbed. Compared with tributyrin treatment, TBNE significantly promoted the average body weight at the 7th day, average daily feed intake,average daily gain, feed/gain, ileum weight, and organ index of ileum of Hy-Line BROWN chicks(P < 0.05), and the butyric acid content in the ileal chyme from TBNE and tributyrin treatment were172.18 mg/m L and 100.85 mg/m L(P < 0.01). Therefore, the established TBNE technology in this study could be supposed to improve the digestion properties of tributyrin. | Feng Gao Yaoming Cui Shijia Song Jinfeng Zhu Xinyu Liu Xuyang Ji Hao Zhu Qingyu Jia Qiaohan Lin Junjun Guan | 2022 | Grain & Oil Science and Technology2022，5，3： | 0 |
| 2 | High-elevation Adaptation of Motion Visual Display Modifications in the Toad-Headed Agamid Lizards(Phrynocephalus)显示文摘Understanding the process of adaptation is a key mission in modern evolutionary biology.Animals living at high elevations face challenges in energy meta bolism due to several environmental constraints(e.g., oxygen supply, food availa bility,and movement time). Animal behavioral processes are intimately related to energy meta bolism, and therefore, behavioral modifica tions are expected to be an important mechanism for high-elevation adaptation. We tested this behavioral adaptation hypothesis using va ria tions of motion visual displays in toad-headed agamid lizards of the genus Phr ynocephalus. We predicted tha t complexity of visual motion displays would decrease with the increase of elevation, because motion visual displays are energetically costly. Displays of 12 Phr ynocephalus species were collected with elevations ranging from sea level to 4600 m. We quantified display complexity using the number of display components, display duration, pathways of display components, as well as display speed for each species. Association between display complexity and elevation was analyzed using the phylogenetic generalized least squares(PGLS)model. We found that both the number of display components and the average value of tail coil speed were negatively correlated with elevation, suggesting that toad-headed lizards living at high-elevation areas reduced their display complexity to cope with the environmental constraints. Our research provides direct evidence for high-elevation adaptation from a behavioral aspect and illustrates the potential impacts of environment heterogeneity on motion visual display diversification. | Qiaohan HU Yusong LIN Xia QIU Jinzhong FU Yin QI | 2022 | Asian Herpetological Research2022，13，1： | 0 |
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