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9 results on '"Zhan, Weipeng"'

4. Research Progress of PD-L1 Expression in Circulating Tumor Cells in Malignant Tumors

Author

LI Zuxi, HUANG Xianbin, MA Yuntao, ZHAN Weipeng, HU Ming, TIAN Hongwei, and YANG Jing

Subjects
circulating tumor cell, liquid biopsy, prognosis judgment, efficacy evaluation, immunotherapy monitoring, Neoplasms. Tumors. Oncology. Including cancer and carcinogens, RC254-282
Abstract

In recent years, with the in-depth study of PD-1 and PD-L1 and the development of immunotherapy, the first problem is how to screen the beneficiaries. Recent clinical studies have shown that the expression level of PD-L1 in circulating tumor cells (CTC) can be used as a potential biomarker to play a guiding role in immunotherapy of malignant tumors. This article reviews the latest clinical research progress on the expression of PD-L1 in circulating tumor cells in various solid tumors.

Published
2022
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6. Multi-robot Collaborative Planning based on Optimized Artificial Bee Colony Algorithm

Author

Zhang Lin, Zhan Weipeng, Zhu Lingfen, and Wu Guoxing

Subjects
Multi-robot, Collaborative planning, Optimized artificial bee colony algorithm, Adaptive searching factor, Mechanical engineering and machinery, TJ1-1570
Abstract

To improve property of artificial bee colony algorithm in multi-robot path planning,the optimized artificial bee colony algorithm is proposed. A new environment modeling method is given,which makes barrier border smooth. The principle of artificial bee colony algorithm is analyzed,adaptive searching factor is proposed to improve new food source generation method,which balances searching range and convergence rate.The robot path point is improved by location angle,and by using this way,the location parameter is reduced.The path length,path smoothness and path safety is synthesized to a goal function by weight. The simulation trial shows that path length and time cost of improved algorithm is superior to primary algorithm. And with robot quantity increasing,the gap of the two algorithms is bigger and bigger.

Published
2017
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8. Efficacy and safety of laparoscopic holmium laser lithotripsy in the treatment of complicated biliary calculus

Author

Jin, Penghui, Jing, Wutang, Zhan, Weipeng, Han, Caiwen, Si, Moubo, Yang, Jia, Li, Yiping, Gu, Yuanhui, Ma, Yuntao, and Guo, Tiankang

Subjects
Common Bile Duct, Male, biliary calculus, holmium laser, Gallstones, Lasers, Solid-State, lithotripsy, Middle Aged, Lithotripsy, Laser, laparoscopic, Treatment Outcome, Case-Control Studies, Humans, Female, Laparoscopy, Systematic Review and Meta-Analysis, Research Article, meta analysis
Abstract

Backgroud: The aim of this study was to assess the efficacy and safety of laparoscopic holmium laser lithotripsy (LHLL) in the treatment of complicated biliary calculus. Methods: We systematically searched the electronic database (PubMed, EMBASE, Cochrane library, Web of science, and Chinese Biomedical Literature Database) up to May 2018 to identify case-controlled studies that compared LHLL with laparoscopic bile duct exploration (LBDE) for complicated biliary calculus. Results: Five case-controlled studies were included, with 541 patients (273 in the LHLL group and 268 in the LBDE group). Compared with LBDE, LHLL was associated with shorter operative time (weighted mean difference [WMD] = -40.04, P

Published
2019

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