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| 1 | Improved SLIC Segmentation Algorithm for Artificial Structure Images显示文摘Simple linear iterative cluster(SLIC) is widely used because controllable superpixel number, accurate edge covering, symmetrical production and fast speed of calculation. The main problem of the SLIC algorithm is its under-segmentation when applied to segment artificial structure images with unobvious boundaries and narrow regions. Therefore, an improved clustering segmentation algorithm to correct the segmentation results of SLIC is presented in this paper. The allocation of pixels is not only related to its own characteristic, but also to those of its surrounding pixels.Hence, it is appropriate to improve the standard SLIC through the pixels by focusing on boundaries. An improved SLIC method adheres better to the boundaries in the image is proposed, by using the first and second order difference operators as magnified factors. Experimental results demonstrate that the proposed method achieves an excellent boundary adherence for artificial structure images. The application of the proposed method is extended to images with an unobvious boundary in the Berkeley Segmentation Dataset BSDS500. In comparison with SLIC, the boundary adherence is increased obviously. | Jianzhong Wang Pengzhan Liu Jiadong Shi Guodong Yan | 2019 | Journal of Beijing Institute of Technology2019，28，3： | 4 |
| 2 | Recent advances in the development of activatable multifunctional probes for in vivo imaging of caspase-3显示文摘Caspases are a family of proteases that play critical roles in controlling inflammation and cell death.Apoptosis is a caspase-3 mainly controlled behavior to avoid inflammation and damage to surrounding cells,whereas anomalistic cell apoptosis may be associated with many diseases.The detection and imaging of caspase-3 will be of great significance in evaluating the early therapeutic effect of tumors.Developing smart fluorescent probes may be helpful for the visualization of the rapeutic effect compared with 'always on' probes.Thus,more and more works toward activatable fluorescent probes for caspase-3 imaging have been reported.In addition,multifunctional probes have also been designed to further improve the imaging of caspase-3.Herein,this review systematically summarized the representative wo rk of caspase-3 from the perspective of molecular design that it will play a guiding role in the design of probes that respond to caspase-3.Also,challenges and perspectives toward the field for imaging of cell apoptosis(caspase-3) are also discussed. | Pengzhan Wang Huocheng Yang Chang Liu Mingqiang Qiu Xin Ma Zhiqiang Mao Yao Sun Zhihong Liu | 2021 | Chinese Chemical Letters2021，32，1： | 2 |
| 3 | Preparation of biodiesel from waste cooking oil via two-step catalyzed process显示文摘 | Wang Yong Ou Shiyi Liu Pengzhan | 2007 | Energy Conversion and Management2007，48，1： | 1 |
| 4 | Preparation of biodiesel from waste cooking oil via two-step catalyzed process 显示文摘 | Wang Yong Ou Shiyi Liu Pengzhan | 2007 | Energy Conversion and Management2007，48，1： | 1 |
| 5 | Comparison of two different processes to synthesize biodiesel by waste cooking oil显示文摘 | Wang Yong Ou Shiyi Liu Pengzhan | 2006 | Journal of Molecular Catalysis A:Chemical2006，252，： | 1 |
| 6 | Preparation of biodiesel from waste cooking oil via two-step catalyzed process 显示文摘 | Yong Wang Shiyi Ou Pengzhan Liu | 2007 | Energy Conversion and Management2007，48，1： | 1 |
| 7 | Preparation of biodiesel from waste cooking oil via two step catalyzed process 显示文摘 | WANG Yong OU Shiyi LIU Pengzhan | 2007 | Energy Conversion and Management2007，48，1： | 1 |
| 8 | Preparation of biodiesel from waste cooking oil via two-step catalyzed process 显示文摘 | Wang Yong Ou Shiyi Liu Pengzhan | 2007 | Energy Conversion and Management2007，48，1： | 1 |
| 9 | Comparison of two different processes to synthesize biodiesel by waste cooking oil显示文摘 | WangYong Ou Shiyi Liu Pengzhan | 2006 | Journal of Molecular Catalysis A:Chemical2006，252，12： | 1 |
| 10 | Comparison of two different processes to synthesize biodiesel by waste cooking oil显示文摘 | Yong Wang Shiyi Ou Pengzhan Liu etal | 2006 | Journal of Molecular Catalysis A:Chemical2006，252，： | 1 |
| 11 | Comparison of two different processes to synthesize biodiesel by waste cooking oil显示文摘 | Wang Yong Ou Shiyi Liu Pengzhan | 2006 | Journal of Molecular Catalysis A:Chemical2006，252，12： | 1 |
| 12 | Preparation of biodiesel from waste cocking oil via two-step catalyzed process显示文摘 | Wang Yong Ou Shiyi Liu Pengzhan | 2007 | Energy Conversion and Management2007，48，1： | 1 |
| 13 | Preparation of biodiesel from waste cooking oilvia two-step catalyzed process显示文摘 | Wang Yong Ou Shiyi Liu Pengzhan | 2007 | Energy Conversion and Management2007，48，1： | 1 |
| 14 | Preparation of biodiesel from waste cooking oil via two - step catalyzed process 显示文摘 | WANG Yong OU Shiyi LIU Pengzhan | 2007 | Energy Conversion an Management2007，48，： | 1 |
| 15 | Preparation of biodiesel from waste cooking oil via two-step catalyzed process显示文摘 | Ou Shiyi Liu Pengzhan | 2007 | Energy Conversion and Management2007，48，： | 1 |
| 16 | Preparation of biodiesel from waste cooking oil via two-step catalyzed process显示文摘 | Wang Yong Ou Shiyi Liu Pengzhan | 2007 | Energy Conversion and Management2007，48，： | 1 |
| 17 | Preparation of biodiesel from waste cooking oil via two-step catalyzed process显示文摘 | Wang Yong Ou Shiyi Liu Pengzhan | 2007 | Energy Conversion and Management2007，48，1： | 1 |
| 18 | Revealing Formaldehyde Fluxes in Alzheimer's Disease Brain by an Activity-Based Fluorescence Probe显示文摘Formaldehyde(FA)plays critical roles in Alzheimer's disease and the associations between FA and Alzheimer's disease(AD)are still obscure.To reveal FA fluxes in the Alzheimer's disease brain,an activity-based fluorescence probe NP-FA with superb blood-brain barrier permeable abilities was exquisitely designed.The probe responded to FA with significant fluorescence increases(F/F0=81),thus laying the foundation for the sensitive detection of FA in cuvette and in vivo.Moreover,the probe also possessed some fasci-nating performances,including endoplasmic reticulum(ER)-targeting abilities,good one-photon/two-photon absorption properties,and appropriate hydrophobicity property(log P=2.34±0.05).As a result,the probe can readily reflect the overproduction of FA con-tent in live cells under ER stress by high-fidelity two-photon imaging.More interestingly,ex vivo imaging of AD brains and two-photon imaging of AD slice tissues visually disclosed that the FA level of AD brain is much higher than that of the normal brain.This work afforded a specific activity-based probe for the imaging of FA in the AD mouse brains,which could be further extended to FA-related studies in Alzheimer's disease. | Pengzhan Wang Xianhua Cheng Jianhua Xiong Zhiqiang Mao Zhihong Liu | 2022 | Chinese Journal of Chemistry2022，40，12： | 1 |
| 19 | Preparation of biodiesel from waste cooking oil via two-step catalyzed process 显示文摘 | YONG Wang OU Shiyi LIU Pengzhan | 2007 | Energy Conversion and Management2007，48，1： | 1 |
| 20 | Preparation of biodiesel from waste cooking oil via two-step catalyst process 显示文摘 | Wang Yong Ou Shiyi Liu Pengzhan | 2007 | Energy Conversion and Management2007，48，： | 1 |
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