Hua‐Yi Qi

Shandong University of Science and Technology

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Bogang Li

Lanzhou University of Technology

Guolin Zhang

Chengdu Institute of Biology

Dongmei Fang

Chinese Academy of Sciences

Zhijun Wu

Zhongda Hospital Southeast University

Yinggang Luo

Chengdu Institute of Biology

Guolin Zhang

Liaoning University

Xiaohua Cai

Guizhou Minzu University

Guo‐You Li

Wenzhou University

Xiaohong Yuan

Kunming Institute of Precious Metals

Min Zhou

Wuhan Institute of Virology

Cooperative Institutions

Chinese Academy of Sciences

Chengdu Institute of Biology

University of Chinese Academy of Sciences

Sichuan University

Chengdu University

Chinese Academy of Medical Sciences & Peking Union Medical College

Southwest University of Science and Technology

Peking University

Zhejiang University

Nanjing University

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Password-Authenticated Proofs of Retrievability for Multiple Devices Checking Cloud Data

SSRN Electronic Journal (2022)

Hui Cui Xun Yi Zhiguo Wan Baodong Qin Hua‐Yi Qi

Traditional privately-verifiable proofs of retrievability (PoR) require users to securely generate and store secret keys for data storage and retrieval. This incurs significant inconveniences for users who would like to store and retrieve their data on multiple different devices, as secret keys need to be installed on all of these devices. In this paper, we propose a cryptographic primitive called password-authenticated proofs of retrievability (PAPoR), where users are able to usememorable passwords to outsource their data to a cloud and retrieve their data for integrity check. In a PAPoR scheme, users are required to register their passwords with the cloud server before issuing storage and retrieval requests. During the storage and retrieval phases, users communicate with the cloud server to recover secrets tied to the passwords. These secrets are used to complete the storage and retrieval tasks. After describing a formal security definition for the PAPoR framework, we give a concrete construction and the security analysis, and discuss several variants to improve its security. In addition, we implement the given PAPoR construction to evaluate its performance.

Retrievability

10.2139/ssrn.4109947

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Unexpected [M]+ radical ions deriving from the cleavage of CH bond in diarylmethylamines detected by electrospray mass spectrometry

International Journal of Mass Spectrometry (2014)

Tian Cai Xiao‐Ying Xu Dongmei Fang Hua‐Yi Qi Jiang Yan

Radical ion

10.1016/j.ijms.2014.09.001

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CCDC 271951: Experimental Crystal Structure Determination

The Cambridge Structural Database (2005)

Guo‐You Li Bogang Li Tao Yang Jianhua Yin Hua‐Yi Qi

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.

10.5517/cc93zmz

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CCDC 288695: Experimental Crystal Structure Determination

The Cambridge Structural Database (2007)

Haijun Yang Bogang Li Xiaohua Cai Hua‐Yi Qi Yinggang Luo

10.5517/cc9pdr3

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A new triterpene and an antiarrhythmic liriodendrin from Pittosporum brevicalyx

Archives of Pharmacal Research (2010)

Chun Feng Bogang Li Xiaoping Gao Hua‐Yi Qi Guolin Zhang

10.1007/s12272-010-1206-1

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Citations (27)

Steryl esters and phenylethanol esters from Syringa komarowii

Steroids (2006)

Yinggang Luo Yan Liu Hua‐Yi Qi Zhijun Wu Guolin Zhang

Stearate

Ethyl ester

10.1016/j.steroids.2006.04.004

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Lanostane-type C31 triterpenoid derivatives from the fruiting bodies of cultivated Fomitopsis palustris

Phytochemistry (2018)

Jinzhi Zhao Yun Yang Yu MengYao Ke Yao Xia Luo

Lanostane

10.1016/j.phytochem.2018.04.012

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Citations (20)

Nitrogen-Containing Dihydro-β-agarofuran Derivatives from Tripterygium wilfordii

Journal of Natural Products (2014)

Yinggang Luo Xiang Pu Guoyong Luo Min Zhou Qi Ye

Thunder god vine, the dried roots of Tripterygium wilfordii, is a widely used traditional Chinese medicine. More than 200 bioactive complex natural products have been isolated from this herb. Inspired by the diversity of chemical structures and bioactivities of the components of this herb, the investigation to mine new chemical entities as potential drug leads led to the identification of 36 nitrogen-containing compounds. Among them, 18 new dihydro-β-agarofuran alkaloids (tripterygiumines A−L (1−12), M−Q (22−26), and R (33)) were identified from the spectroscopic data and chemical degradation studies. Tripterygiumine Q (26) exhibited immunosuppressive activity against human peripheral mononuclear cells with an IC50 value of 8.67 μM and showed no cytotoxicity, even at 100 μM, indicating that 26 may represent a novel scaffold for the development of new immunosuppressants.

Tripterygium wilfordii

Celastraceae

Tripterygium

10.1021/np500280x

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ChemInform Abstract: Two Novel Norlignans from Gymnotheca chinensis

ChemInform (2014)

Shiji Xiao Xinxiang Lei Bing Xia Hong‐Ping Xiao Dahai He

Abstract isolation and structural elucidation of gymnothedelignans A (I) and B (II)

10.1002/chin.201441212

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Phenolic and Triterpene Glycosides from the Stems of Ilex litseaefolia

Journal of Natural Products (2005)

Ailian Zhang Qi Ye Bogang Li Hua‐Yi Qi Guolin Zhang

Chemical investigation on the stems of Ilex litseaefolia afforded four new phenolic glycosides, litseaefolosides A-D (1-4), and two new triterpene glycosides, spathodic acid 28-O-beta-d-glucopyranoside (5) and (20S)-niga-ichigoside F1 (6), along with 28 known compounds. The structures of 1-6 were determined on the basis of chemical and spectroscopic evidence. Litseaefoloside C (3) showed inhibitory activities in vitro for alpha-glucosidase and lipase with IC(50) values of 34.0 and 0.31 microg/mL, respectively.

Terpene

10.1021/np050285z

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Citations (33)