Yonglong Li

Southern Medical University

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Vincent Y. F. Tan

National University of Singapore

Jun-Shuang Jia

Southern Medical University

Xiaolin Lin

TCM-Intigrated Cancer Center of Southern Medical University

Guangyue Han

University of Hong Kong

Jia‐Wei Xia

Huazhong University of Science and Technology

Dong Xiao

Southern Medical University

Tao-Yan Lin

Southern Medical University

Jiachun Pan

National University of Singapore

Shihao Huang

Guangdong University of Technology

Wentao Zhao

Institute of Zoology

Cooperative Institutions

Southern Medical University

Chinese Academy of Sciences

Huazhong University of Science and Technology

Sun Yat-sen University

Nanfang Hospital

Shanghai Jiao Tong University

Central South University

Ningbo Institute of Industrial Technology

University of Chinese Academy of Sciences

Peking University

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Some results for special families of channels with memory

Yonglong Li

10.5353/th_b5699932

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Mettl3-Mediated M6a Modification Plays a Role in Lipid Metabolism Disorders and Progressive Liver Damage in Mice by Regulating Lipid Metabolism-Related Gene Expression

Guanqi Dai Yonglong Li Shihao Huang Xueyi Tu Zhihao Zhou

Lipid Metabolism Disorder

Metabolism disorder

10.2139/ssrn.4363559

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A novel AgNPs-based colorimetric sensor for rapid detection of Cu²⁺ or Mn²⁺via pH control

RSC Advances (2015)

Genhua Wu Chen Dong Yonglong Li Zhuqing Wang Yuexia Gao

The AgNPs-based colorimetric sensor at pH 1.9 or 12.0 can respectively be used for rapid detection of Cu²⁺ or Mn²⁺.

10.1039/c5ra00001g

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Citations (36)

Concavity of mutual information rate of finite-state channels

Yonglong Li Guangyue Han

The computation of the capacity of a finite-state channel (FSC) is a fundamental and long-standing open problem in information theory. The capacity of a memoryless channel can be effectively computed via the classical Blahut-Arimoto algorithm (BAA), which, however, does not apply to a general FSC. Recently Vontobel et al. [1] generalized the BAA to compute the capacity of a finite-state machine channel with a Markovian input. Their proof of the convergence of this algorithm, however, depends on the concavity conjecture posed in their paper. In this paper, we confirm the concavity conjecture for some special FSCs. On the other hand, we give examples to show that the conjecture is not true in general.

Finite state

Information Theory

10.1109/isit.2013.6620599

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Asymptotic Nash Equilibrium for the Sequential Adversarial Hypothesis Testing Game

2022 IEEE International Symposium on Information Theory (ISIT) (2022)

Jiachun Pan Yonglong Li Vincent Y. F. Tan

In this paper, we formulate the sequential binary hypothesis testing problem in which an adversary is active under both hypotheses. This problem is formulated as a sequential adversarial hypothesis testing game played between the decision maker and the adversary and it is a zero-sum and strategic one. The goal of the decision maker is to minimize the expectation of stopping time to make the test more efficient, while the adversary's goal is to maximize it. We obtain the pair of strategies under which the asymptotic Nash equilibrium of the game is attained.

10.1109/isit50566.2022.9834701

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Citations (1)

High-Performance Colorimetric Detection of Hg²⁺ Based on Triangular Silver Nanoprisms

ACS Sensors (2016)

Ningyi Chen Yujie Zhang Hongyu Liu Xiaoxia Wu Yonglong Li

Mercury ion (Hg2+) arising from a variety of natural sources and industrial wastes has been widely recognized as one of the most hazardous pollutants. It is very important to develop highly selective and sensitive probe for rapid detection of Hg2+ in aquatic ecosystems. Here we propose a new strategy for high-performance colorimetric detection of Hg2+, i.e., anti-etching of silver nanoprisms (AgNPRs). In the absence of Hg2+, the AgNPRs can be etched by I– inducing an obvious color change from blue to red. However, in the presence of Hg2+, the formation of Ag–Hg nanoalloy can protect the AgNPRs from I– etching and the color remains blue. This mechanism is verified by UV–vis, TEM, DLS, and EDS. Our AgNPRs-based colorimetric probe exhibits excellent selectivity for Hg2+. The limit of detection (LOD) of Hg2+ is 30 nM by the naked eye and 3 nM by UV–vis spectroscopy, which is lower than the mercury toxic level defined by the U.S. Environmental Protection Agency (10 nM). A good linear relationship (R2 = 0.993) between the wavelength shift and Hg2+ concentrations indicates that our probe can be used for the quantitative assay of Hg2+. The results of Hg2+ detection in real environmental samples indicate the feasibility and sensitivity of our probe for application in complicated environmental samples.

Mercury

Naked eye

Hazardous air pollutants

10.1021/acssensors.6b00001

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Citations (102)

Diversity among schistosomes: perspectives for control

Trends in Parasitology (2001)

Yonglong Li J. R. Kusel Malcolm W. Kennedy Andreas Ruppel

10.1016/s1471-4922(00)01872-9

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On the Capacity of Channels with Deletions and States

arXiv (Cornell University) (2019)

Yonglong Li Vincent Y. F. Tan

We consider the class of channels formed from the concatenation of a deletion channel and a finite-state channel. For this class of channels, we show that the operational capacity is equal to the stationary capacity, which can be approached by a sequence of Markov processes with increasing Markovian orders. As a by-product, we show that the polar coding scheme constructed by Tal, Pfister, Fazeli and Vardy achieves the capacity of the deletion channel.

Concatenation (mathematics)

Sequence (biology)

10.48550/arxiv.1911.04473

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“Red-to-blue” colorimetric detection of cysteine via anti-etching of silver nanoprisms

Nanoscale (2014)

Yonglong Li Zihou Li Yuexia Gao An Gong Yujie Zhang

A mechanistic scheme of the AgNPR system for Cys detection is presented. In the absence of Cys, I⁻could attach to the corners and edges of AgNPRsviathe Ag–I bond resulting in the morphology transition from nanoprism to nanodisk. Cys can prevent I⁻from attaching to the AgNPRs' surface and keep the shape frozen.

Colorimetry

10.1039/c4nr03309d

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Citations (86)

Rate-Constrained Shaping Codes for Finite-State Channels With Cost

arXiv (Cornell University) (2022)

Yi Liu Yonglong Li Pengfei Huang Paul H. Siegel

Shaping codes are used to generate code sequences in which the symbols obey a prescribed probability distribution. They arise naturally in the context of source coding for noiseless channels with unequal symbol costs. Recently, shaping codes have been proposed to extend the lifetime of flash memory and reduce DNA synthesis time. In this paper, we study a general class of shaping codes for noiseless finite-state channels with cost and i.i.d. sources. We establish a relationship between the code rate and minimum average symbol cost. We then determine the rate that minimizes the average cost per source symbol (total cost). An equivalence is established between codes minimizing average symbol cost and codes minimizing total cost, and a separation theorem is proved, showing that optimal shaping can be achieved by a concatenation of optimal compression and optimal shaping for a uniform i.i.d. source.

Concatenation (mathematics)

Symbol (formal)

10.48550/arxiv.2205.03731

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