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Wei Zhonghua,Zhao Xiaolin,Ren Guodong 한국응용곤충학회 2021 Journal of Asia-Pacific Entomology Vol.24 No.3
Eight new species of the genus Laena Dejean, 1821 (subfamily Lagriinae, tribe Laenini) from Yunnan Province of China were described and illustrated: L. acutidentata Wei & Ren, sp. nov., L. brevicarina Wei & Ren, sp. nov., L. dongchuana Zhao & Ren, sp. nov., L. glabridentipa Wei & Ren, sp. nov., L. nuda Zhao & Ren, sp. nov., L. raropuncta Wei & Ren, sp. nov., L. rugulosa Wei & Ren, sp. nov. and L. spinicla Wei & Ren, sp. nov.. Illus trations and a key to the known Laena species from Yunnan Province are provided.
Wei Zhonghua,Zhao Xiaolin,Ren Guodong 한국응용곤충학회 2020 Journal of Asia-Pacific Entomology Vol.23 No.2
The genus Laena Dejean, 1821 belongs to the subfamily Lagriinae, tribe Laenini. Four new species of this genus are described and illustrated from Sichuan under the following name: Laena ceratina Wei & Ren, sp. nov., Laena edentata Zhao & Ren, sp. nov. (from Sichuan and Qinghai), Laena latitarsia Wei & Ren, sp. nov. (from Sichuan and Yunnan) and Laena sufflofemora Wei & Ren, sp. nov.. A key to the known Laena species from Sichuan is provided.
Distance Estimation Methods in Vehicular Application: An Experimental Study
Yiwen Cao,Xinglong Lu,Zhonghua Zhao,Xiaojun Ji,Yilin Yan 제어로봇시스템학회 2018 제어로봇시스템학회 국제학술대회 논문집 Vol.2018 No.10
Passive Entry and Passive Start (PEPS) system allows drivers to enter the vehicle and start the engine without activating key fob. With growing demand for location-based service and rapid development of Bluetooth Low Energy (BLE), BLE PEPS with localization service becomes a promising choice for next generation of PEPS. This paper studies the critical problem of localizing the vehicle for user based on BLE received signal strength (RSS) provided by preinstalled BLE Access Points (APs) inside vehicle. Multiple APs are employed to reduce the error caused by RSS fluctuation on distance estimation. Fusion algorithms including Extended Kalman Filter, Monte Carlo Localization and Iterative Trilateration are compared based on experiments in vehicle. Experimental results show that distance estimation based on Extended Kalman Filter gets high accuracy in both long distance and short distance scenario.
A New Colorimetric Sensor for Cysteine Determination Based on Dual Reacting-mediated Strategy
Honghong Rao,Ying Li,Guoliang Zhang,Zhonghua Xue,Guohu Zhao,Shengyin Li,Xinzhen Du 대한화학회 2017 Bulletin of the Korean Chemical Society Vol.38 No.9
Rapid and simple determination of cysteine is a key requirement for both diagnosis and treatment of diseases. A novel concept is proposed for combining dual reacting-mediated process into the construction of a simple yet effective colorimetric strategy for cysteine detecting, which is based on the analyte-induced formation of ferrous ion and graphene oxide-supported ionic recognition through selective coordination process between phenanthroline molecule and ferrous ion. In colorimetric analysis, the simple principle of ferrous ion that cysteine-induced can be recognized by phenanthroline indicator due to their good binding affinity and therefore provided a sensitive optical readout for conveniently detecting cysteine. Proof-concept experiments demonstrate that the proposed colorimetric system shows rapid response toward cysteine determination as well as with a satisfying detection limit of 4.8 μM only by using simple UV–Vis spectroscopy and 15 μM with the naked eye.
Tian Tian,Xinyu Liu,이응석,Jingyang Sun,Zhonghua Feng,Long-Xuan Zhao,Chunhui Zhao 대한약학회 2017 Archives of Pharmacal Research Vol.40 No.4
A series of nitrogen-containing derivatives ofoleanolic acid and ursolic acid were prepared by a modificationat C-28 position via esterification with 2-hydroxyaceticacid followed by amidation with amines, such aspiperazine, N-methylpiperazine, and alkane-1, 2-diamines,alkane-1, 4-diamines, alkane-1, 6-diamines. In vitroantiproliferative activities of the compounds preparedtowards MCF-7, Hela and A549 cell lines were evaluatedby a MTT method to show that OA-5a, OA-5b, OA-5c andUA-5a showed somewhat improved antiproliferativeactivities against MCF-7, Hela and A549 cells comparingto that of the positive control, gefitinib.
Qin Yujia,Ullah Farman,Fang Yan,Singh Sandeep,Zhao Zhonghua,Zhao Zihua,Li Zhihong 한국응용곤충학회 2021 Journal of Asia-Pacific Entomology Vol.24 No.4
The peach fruit fly (PFF), Bactrocera zonata (Diptera: Tephritidae), is among the most destructive Bactrocera fruit fly species in Asia and Africa. The peach fruit fly is currently absent from China but has high risk of invasion to China. This study primarily quantifies the direct potential economic impact of B. zonata in China using Monte Carlo simulation model, taking peaches as the example hosts. The results showed that under nil management scenario, the potential economic loss in China caused by B. zonata would be 0.82–3.07 billion dollars (90% confidence level), and potential savings after management will be 0.20–1.00 billion dollars (90% confidence level). Quarantine measures against B. zonata and field control should be strengthened to prevent its introduction and reduce the potential economic impact in China.
Xinyi Zhu,Tian Tian,Miao Ruan,Jia Rao,Wentao Yang,Xu Cai,Menghong Sun,Guangqi Qin,Zhonghua Zhao,Jiong Wu,Zhimin Shao,Ruohong Shui,Zhen Hu 한국유방암학회 2018 Journal of breast cancer Vol.21 No.3
Purpose: The characteristic expression of DNA damage response proteins in familial breast cancers with BRCA1, BRCA2, or non-BRCA1/2 mutations has not been analyzed in Chinese patients. Our study aimed to assess the differential expression of microcephalin 1 (BRIT1), ATM serine/threonine kinase (ATM), checkpoint kinase 2 (CHEK2), BRCA1, RAD51 recombinase (RAD51), and poly (ADP-ribose) polymerase 1 (PARP-1) and establish the profile of Chinese familial breast cancers with different mutation status. Methods: We constructed five tissue microarrays from 183 familial breast cancer patients (31 with BRCA1 mutations; 14 with BRCA2 mutations, and 138 with non-BRCA1/2 mutations). The DNA response and repair markers used for immunohistochemistry analysis included BRIT1, ATM, CHEK2, BRCA1, RAD51, and PARP-1. The expressions of these proteins were analyzed in BRCA1/2 mutated tumors. The association between pathologic characteristics with BRCA1/2 mutation status was also analyzed. Results: In familial breast cancer patients, BRCA1 mutated tumors were more frequent with high nuclear grade, estrogen receptor/progesterone receptor/human epidermal growth factor receptor 2 negative, low Ki-67, and positive CK5/6. BRCA1 mutated tumors had lower CHEK2 and higher cytoplasmic BRIT1 expression than BRCA2 and non-BRCA1/2 mutation tumors. BRCA2-associated tumors showed higher CHEK2 and cytoplasmic RAD51 expression than those in other groups. Nuclear PARP-1 expression in BRCA1/2-associated tumors was significantly higher than in non-BRCA1/2 mutation tumors. Moreover, we found quite a few of negative PARP-1 expression cases in BRCA1/2 mutated groups. Conclusion: The clinicopathologic findings of BRCA1-associated Chinese familial breast cancers were similar to the results of other studies. Chinese familial breast cancer patients with BRCA1/2 mutations might have distinctive expression of different DNA damage response proteins. The reduced expression of PARP-1 in Chinese BRCA1/2 mutated breast cancer patients could influence the therapeutic outcome of PARP-1 inhibitors.