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Liao, Wan-Qin,Liang, Xu-Fang,Wang, Lin,Fang, Ling,Lin, Xiaotao,Bai, Junjie,Jian, Qing Korean Society for Biochemistry and Molecular Biol 2006 Journal of biochemistry and molecular biology Vol.39 No.4
The full-length cDNA of grass carp (Ctenopharyngodon idellus) and silver carp (Hypophthalmichthys molitrix) uncoupling protein 2 (UCP2) was obtained from liver. The grass carp UCP2 cDNA was determined to be 1152 bp in length with an open reading frame that encodes 310 amino acids. Five introns (Intron 3, 4, 5, 6 and 7) in the translated region, and partial sequence of Intron 2 in the untranslated region of grass carp UCP2 gene were also obtained. Gene structure comparison between grass carp and mammalian (human and mouse) UCP2 gene shows that, the UCP2 gene structure of grass carp is much similar to that of human and mouse. Partial UCP2 cDNA sequences of bighead carp (Aristichthys nobilis) and mud carp (Cirrhinus molitorella), were further determined. Together with the common carp (Cyprinus carpio) UCP2 sequence from GenBank (AJ243486), multiple alignment result shows that the nucleotide and amino acid sequences of the UCP2 gene, were highly conserved among the five major Chinese carps that belong to four subfamilies. Using beta-actin as control, the ratio UCP2/beta-actin mRNA (%) was determined to be $149.4{\pm}15.6$ (common carp), $127.4{\pm}22.1$ (mud carp), $96.7{\pm}12.7$ (silver carp), $94.1{\pm}26.8$ (bighead carp) and $63.7{\pm}16.2$ (grass carp). The relative liver UCP2 expression of the five major Chinese carps, shows a close relationship with their food habit: benthos and detrituseating fish (common carp and mud carp) > planktivorious fish (silver carp and bighead carp) > herbivorious fish (grass carp). We suggest that liver UCP2 might be important for Chinese carps to detoxify cyanotoxins and bacteria in debris and plankton food.
Study on aerodynamic coefficients and responses of the integrated catwalk of Halogaland Bridge
Wan, Jia-wei,Wang, Qi,Liao, Hai-li,Li, Ming-shui Techno-Press 2017 Wind and Structures, An International Journal (WAS Vol.25 No.3
Wind tunnel tests and numerical aerodynamic analyses were conducted for an integrated catwalk structure under strong winds. From the wind tunnel tests, it is found that the aerodynamic coefficients were different from those of the typical type. The drag coefficient was larger than typical and was sensitive to number of vertical meshes installed rather than the solidity ratio. Comparing with typical catwalk, the integrated one showed larger deformation under strong wind, and the large torsional deformation are mainly caused by drag force. It did not show aerodynamic divergence even the torsional deformation reaching $20^{\circ}$. The reason could be that the stiffness is smaller and thus the catwalk is able to deform to the shape compactable with higher loading. Considering safety for construction, storm rope system is introduced to the catwalk to reduce the deformation to acceptable level.
Xinlong Wan,홍미연,Aimei LIAO,김만일,김기경,한연수,김익수 한국곤충학회 2012 Entomological Research Vol.42 No.1
In the present study, we report the 16 823-bp long complete mitochondrial genome (mitogenome) of a carabid beetle, Damaster mirabilissimus mirabilissim (Coleoptera: Carabidae), which is endangered in Korea. The gene arrangement of D. m. mirabilissim mitogenome is identical to the most common type found in insects. The start codon of the D. m. mirabilissim COI gene is a typicalATN codon. On the other hand, the initiation codon for ND1 gene is TTG, instead of ATN. All transfer RNAs (tRNAs) exhibit a stable canonical clover-leaf structure, except for tRNASer(AGN), the dihydrouridine arm of which forms a simple loop. The 1703-bp long A+T-rich region is the second longest among the complete adephagan mitogenome sequences, next to Macrogyrus oblongus belonging to Gyrinoidea. One of the unusual features of the genome is the presence of a tRNALeu(UUR)-like sequence in the A+T-rich region. This sequence displays the proper anticodon sequence and the potential to form secondary structures, but also harbors many mismatches in the stems.
Stack-RRT*: A Random Tree Expansion Algorithm for Smooth Path Planning
Bin Liao,Yi Hua,Fangyi Wan,Shenrui Zhu,Yipeng Zong,Xinlin Qing 제어·로봇·시스템학회 2023 International Journal of Control, Automation, and Vol.21 No.3
Most RRT-based extension algorithms can generate safe and smooth paths by combining parameter curve-based smoothing schemes. For example, the Spline-based Rapidly-exploring Random Tree (SRRT) guarantees that the generated paths are G2-continuous by considering a Bezier curve-based smoothing scheme. In this paper, we propose Stack-RRT*, a random tree expansion method that can be combined with different parameter curve-based smoothing schemes to produce feasible paths with different continuities for non-holonomic robots. Stack-RRT* expands the search for possible parent vertices by considering not only the set of vertices contained in the tree, as in the RRT-based algorithm, but also some newly created nodes close to obstacles, resulting in a shorter initial path than other RRT-based algorithms. In addition, the Stack-RRT* algorithm can achieve convergence by locally optimizing the connection relation of random tree vertices after each expansion. Rigorous simulations and analysis demonstrate that this new approach outperforms several existing extension schemes, especially in terms of the length of the planned paths.
Bokai Liao,Zhigang Luo,Shan Wan,Lijuan Chen 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.117 No.-
In this work, the extract of acanthopanax senticosus leaf (ASLE), prepared using one-step pure waterextraction method, is firstly utilized as a sustainable eco-friendly corrosion inhibitor for carbon steel inacidic solutions. The corrosion inhibition efficiency is evaluated by weight loss method and electrochemicaltests, including electrochemical impedance spectroscopy and potentiodynamic polarization curve. The compositions of ASLE are analyzed using Fourier transform infrared spectroscopy, components andmicrostructures of corrosion products are characterized by scanning electron microscopy and X-ray photoelectronspectroscopy. Results indicate that ASLE is successfully prepared using the clean productionprocess, and it can act as an efficient mixed-type corrosion inhibitor for Q235 carbon steel in 1 mol/LHCl. The maximum corrosion inhibition efficiency can reach 98.79 % after 144 h immersion with the additionof 150 mg/L. ASLE also displays the superior long-term corrosion inhibition performance. The protectivehydrophobic adsorption film can effectively retard the invasion of aggressive ions and inhibit thecorrosion of carbon steel in acidic service occasions.