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Liang, Peng,Ren, Tian-Tian,Tian, Wei-Man,Xu, Wen-Jia,Pan, Gang-Hong,Yin, Xian-Hong Korean Chemical Society 2014 Bulletin of the Korean Chemical Society Vol.35 No.1
Three new transition metal complexes based on Ozagrel $[Cu(Ozagrel)]_n$ (1), $[Zn(Ozagrel)(Cl)]_n$ (2), ${[Mn_2-(Ozagrel)(1,4-ndc)_2]{\cdot}(H_2O)}_n$ (3), (Ozagrel = 3-(4-((1H-imidazol-1-yl)methyl)phenyl)acrylic acid; 1,4-ndc = 1,4-Naphthalenedicarboxylic acid) have been hydrothermally synthesized and characterized by elemental analyse, IR, TG, PXRD, electrochemical analysis and single crystal X-ray diffraction. X-ray structure analysis reveals that 1 and 3 are 3D coordination polymers, while complex 2 is a two-dimensional network polymer, the 2D layers are further packed into 3D supramolecular architectures that are connected through hydrogen bonds. The electrochemistry of 1-3 was studied by cyclic voltammetry in methanol and water using a glassy carbon working electrode. Also, thermal decomposition process and powder X-ray diffraction of complexes were investigated.
Partial dehulling increases the energy content and nutrient digestibility of barley in growing pigs
Hong Liang Wang,Meng Shi,Xiao Xu,Long Pan,Ling Liu,Xiang Shu Piao 아세아·태평양축산학회 2017 Animal Bioscience Vol.30 No.4
Objective: The hull attached to the barley kernel can be mechanically removed thus reducing the fiber content of the barley. This experiment was carried out to evaluate the effects of partial dehulling on the nutrient digestibility as well as the digestible energy (DE) and metabolizable energy (ME) content of barley in pigs. Methods: Two hulled barley samples (high fiber barley [HF] and low fiber barley [LF]) with either high or low fiber contents were obtained from the Hubei and Jiangsu Provinces of China. A portion of the two barleys was mechanically dehulled (dehulled high fiber barley [DHF] and dehulled low fiber barley [DLF]). Thirty barrows (initial BW = 31.5±3.2 kg) were assigned to one of five diets in a randomized complete block design. The five diets consisted of 96.9% corn, HF, LF, DHF, or DLF supplemented with 3.1% minerals and vitamins. Each diet was fed to six barrows housed in individual metabolism crates for a 10-d acclimation period followed by a 5-day total but separate collection of feces and urine. Results: The daily loss of gross energy (GE) in feces was lower (p<0.01) for pigs fed DHF than for those fed HF. The daily N intake and fecal N loss were lowest (p<0.01) for pigs fed the corn diet. The DE and ME as well as the apparent total tract digestibility (ATTD) of dry matter, GE, organic matter, neutral detergent fiber (NDF) and acid detergent fiber (ADF) of DHF or DLF were higher (p<0.01) than the values in HF and LF, respectively while the values except the ATTD of NDF and ADF in DLF were higher (p<0.01) than the values in DHF and were comparable to corn. Conclusion: The DE and ME contents as well as the ATTD of nutrients in both DHF and DLF barley were improved compared with the HF and LF barley. Moreover, the nutritive value of DLF barley was comparable to the yellow-dent corn used in the study.
Fu-Liang Han,Shou-Mei Jiang,Jian-Jun He,Qiu-Hong Pan,Chang-Qing Duan,Ming-Xia Zhang 한국식품과학회 2009 Food Science and Biotechnology Vol.18 No.3
Anthocyanins are considered one of the main color determinants in aged red wine. The anthocyanins in aged red wine made from ‘Cabernet Gernischet’ (Vitis vinifera L. cv.) grape were investigated by high performance liquid chromatography- electronic spray ionization- mass spectrometry (HPLC-ESI-MS) and their color presented in aqueous solution were evaluated using partial least square regression (PLS). The results showed that there were 37 anthocyanins identified in this wine, including 22 pyranoanthocyanins. The analysis of PLS indicated that different anthocyanins showed distinct color values: malvidin 3-O-(6-O-acetyl)-glucoside-4-vinylguaiacol (Mv3-acet-glu-vg) presented the highest color values, while malvidin 3-O-glucoside (Mv3-glu) showed least. Among the free non-acylated anthocyanins, peonidin 3-Oglucoside (Pn3-glu) showed the highest color values; the coumarylated anthocyanins presented higher color values than their corresponding acetylated anthocyanins and parent anthocyanins; pyranoanthocyanins presented also higher color values than their original anthocyanins; the color of anthocyanins depended on their structure. This work will be helpful to reveal evolution in aged red wine.
Peng Liang,Tian-Tian Ren,Wei-Man Tian,Wen-Jia Xu,Gang-Hong Pan,Xian-Hong Yin 대한화학회 2014 Bulletin of the Korean Chemical Society Vol.35 No.1
Three new transition metal complexes based on Ozagrel [Cu(Ozagrel)]n (1), [Zn(Ozagrel)(Cl)]n (2), {[Mn2- (Ozagrel)(1,4-ndc)2]·(H2O)}n (3), (Ozagrel = 3-(4-((1H-imidazol-1-yl)methyl)phenyl)acrylic acid; 1,4-ndc = 1,4-Naphthalenedicarboxylic acid) have been hydrothermally synthesized and characterized by elemental analyse, IR, TG, PXRD, electrochemical analysis and single crystal X-ray diffraction. X-ray structure analysis reveals that 1 and 3 are 3D coordination polymers, while complex 2 is a two-dimensional network polymer, the 2D layers are further packed into 3D supramolecular architectures that are connected through hydrogen bonds. The electrochemistry of 1-3 was studied by cyclic voltammetry in methanol and water using a glassy carbon working electrode. Also, thermal decomposition process and powder X-ray diffraction of complexes were investigated.
Bird's Eye View Semantic Segmentation based on Improved Transformer for Automatic Annotation
( Tianjiao Liang ),( Weiguo Pan ),( Hong Bao ),( Xinyue Fan ),( Han Li ) 한국인터넷정보학회 2023 KSII Transactions on Internet and Information Syst Vol.17 No.8
High-definition (HD) maps can provide precise road information that enables an autonomous driving system to effectively navigate a vehicle. Recent research has focused on leveraging semantic segmentation to achieve automatic annotation of HD maps. However, the existing methods suffer from low recognition accuracy in automatic driving scenarios, leading to inefficient annotation processes. In this paper, we propose a novel semantic segmentation method for automatic HD map annotation. Our approach introduces a new encoder, known as the convolutional transformer hybrid encoder, to enhance the model's feature extraction capabilities. Additionally, we propose a multi-level fusion module that enables the model to aggregate different levels of detail and semantic information. Furthermore, we present a novel decoupled boundary joint decoder to improve the model's ability to handle the boundary between categories. To evaluate our method, we conducted experiments using the Bird's Eye View point cloud images dataset and Cityscapes dataset. Comparative analysis against state-of-the-art methods demonstrates that our model achieves the highest performance. Specifically, our model achieves an mIoU of 56.26%, surpassing the results of SegFormer with an mIoU of 1.47%. This innovative promises to significantly enhance the efficiency of HD map automatic annotation.
Metallic Stent Placement in Hemodialysis Graft Patients after Insufficient Balloon Dilation
Huei-Lung Liang,Huay-Ben Pan,Yih-Huie Lin,Chiung-Yu Chen,Hsiao-Min Chung,Tung-Ho Wu,Kang-Ju Chou,Pin-Hong Lai,Chien-Fang Yang 대한영상의학회 2006 Korean Journal of Radiology Vol.7 No.2
Objective: We wanted to report our experience of metallic stent placement after insufficient balloon dilation in graft hemodialysis patients. Materials and Methods: Twenty-three patients (13 loop grafts in the forearm and 10 straight grafts in the upper arm) underwent metallic stent placement due to insufficient flow after urokinase thrombolysis and balloon dilation. The indications for metallic stent deployment included 1) recoil and/or kinked venous stenosis in 21 patients (venous anastomosis: 17 patients, peripheral outflow vein: four patients); and 2) major vascular rupture in two patients. Metallic stents 8 10mm in diameter and 40 80 mm in length were used. Of them, eight stents were deployed across the elbow crease. Access patency was determined by clinical follow-up and the overall rates were calculated by Kaplan-Meier survival analysis. Results: No procedure-related complications (stent fracture or central migration) were encountered except for a delayed Wallstent shortening/migration at the venous anastomosis, which resulted in early access failure. The overall primary and secondary patency rates ( standard error) of all the vascular accesses in our 23 patients at 3, 6, 12 and 24 months were 69% 9 and 88% 6, 41% 10 and 88% 6, 30% 10 and 77% 10, and 12% 8 and 61% 13, respectively. For the forearm and upper-arm grafts, the primary and secondary patency rates were 51% 16 and 86% 13 vs 45% 15 and 73% 13 at 6 months, and 25% 15 and 71% 17 vs 23% 17 and 73% 13 at 12 months (p = .346 and .224), respectively. Conclusion: Metallic stent placement is a safe and effective means for treating peripheral venous lesions in dialysis graft patients after insufficient balloon dilation. No statistically difference in the patency rates between the forearm and upper-arm patient groups was seen.
Gang Yu,Jin-Liang Liu,Li-Qin Xie,Xue-Liang Wang,Shi-Hong Zhang,Hong-Yu Pan 한국미생물학회 2012 The journal of microbiology Vol.50 No.6
The entomopathogenic fungus Verticillium lecanii is a wellknown biocontrol agent. V. lecanii produces subtilisin-like serine protease (Pr1), which is important in the biological control activity of some insect pests by degrading insect cuticles. In this study, a subtilisin-like serine protease gene VlPr1 was cloned from the fungus and the VlPr1 protein was expressed in Escherichia coli. The VlPr1 gene contains an open reading frame (ORF) interrupted by three short introns, and encodes a protein of 379 amino acids. Protein sequence analysis revealed high homology with subtilisin serine proteases. The molecular mass of the protease was 38 kDa, and the serine protease exhibited its maximal activity at 40°C and pH 9.0. Protease activity was also affected by Mg2+ and Ca2+ concentration. The protease showed inhibitory activity against several plant pathogens, especially towards Fusarium moniliforme.
Jian-Jun He,Fu-Liang Han,Qing-Quan Yu,Qiu-Hong Pan,Chang-Qing Duan,Guo-Li Cheng 한국식품과학회 2010 Food Science and Biotechnology Vol.19 No.3
The effects of the maceration enzymes on the evolution of 4-vinylphenols pyranoanthocyanins and cinnamic acids were investigated during the Cabernet Gernischet red wine making. The results showed that the contents of p-coumaric acid and caffeic acid in the maceration enzyme-treated wine (the treated wine) were higher than those in the maceration enzyme-untreated wine (the control wine) at the alcoholic fermentation (AF),maceration (M), and malolactic fermention (MLF) stages. Malvidin-3-O-glucoside-4-vinylphenol (Mv-glu-vp) and malvidin-3-O-(6-O-acetyl)-glucoside-4-vinylphenol (Mvacet-glu-vp) were formed at the AF and M stages in the treated wine, while they were formed at the end of MLF stage in the control wine. However, the contents of these 2kinds of 4-vinylphenol pyranoanthocyanins in the control wine were higher than those in the treated wine during aging. These results showed that the use of maceration enzymes in winemaking can promote p-coumaric acid and p-caffeic acid transformed to vinylphenols and accelerate the formation of pyranoanthocyanins.