33 Result(s)

Article

Time-varying data processing with nonvolatile memristor-based temporal kernel

Recent advances in physical reservoir computing, which is a type of temporal kernel, have made it possible to perform complicated timing-related tasks using a linear classifier. However, the fixed reservoir dy...

Yoon Ho Jang, Woohyun Kim, Jihun Kim, Kyung Seok Woo, Hyun Jae Lee… in Nature Communications (2021)

Article

Effect of electron-withdrawing fluorine and cyano substituents on photovoltaic properties of two-dimensional quinoxaline-based polymers

In this study, strong electron-withdrawing fluorine (F) and cyano (CN) substituents are selectively incorporated into the quinoxaline unit of two-dimensional (2D) D–A-type polymers to investigate their effects...

Seok Woo Lee, MD. Waseem Hussain, Sanchari Shome, Su Ryong Ha… in Scientific Reports (2021)

Article

General circulation and global heat transport in a quadrupling CO₂ pulse experiment

To investigate the response of the general circulation and global transport of heat through both atmosphere and ocean to two-types of carbon dioxide removal scenario, we performed an earth system model experim...

Soon-Il An, So-Eun Park, Jongsoo Shin, Young-Min Yang, Sang-Wook Yeh… in Scientific Reports (2022)

Article

Lesion activity assessment of early caries using dye-enhanced quantitative light-induced fluorescence

We aimed to determine whether dye-enhanced quantitative light-induced fluorescence (DEQLF), wherein porous structure of caries lesions is stained with a fluorescent dye, could quantitatively distinguish betwee...

Seok-Woo Park, Si-Mook Kang, Hyung-Suk Lee, Sang-Kyeom Kim… in Scientific Reports (2022)

Article

Tropical modulation of East Asia air pollution

Understanding air pollution in East Asia is of great importance given its high population density and serious air pollution problems during winter. Here, we show that the day-to-day variability of East Asia ai...

Myung-Il Jung, Seok-Woo Son, Hyemi Kim, Deliang Chen in Nature Communications (2022)

Article

The degradation of performance of a state-of-the-art skin image classifier when applied to patient-driven internet search

Model Dermatology (https://modelderm.com; Build2021) is a publicly testable neural network that can classify 184 skin disorders. We aimed to investigate whether ou...

Seung Seog Han, Cristian Navarrete-Dechent, Konstantinos Liopyris… in Scientific Reports (2022)

Article

Probabilistic computing using Cu_0.1Te_0.9/HfO₂/Pt diffusive memristors

A computing scheme that can solve complex tasks is necessary as the big data field proliferates. Probabilistic computing (p-computing) paves the way to efficiently handle problems based on stochastic units cal...

Kyung Seok Woo, Jaehyun Kim, Janguk Han, Woohyun Kim, Yoon Ho Jang… in Nature Communications (2022)

Article

Author Correction: Tropical modulation of East Asia air pollution

Myung-Il Jung, Seok-Woo Son, Hyemi Kim, Deliang Chen in Nature Communications (2022)

Article

Associations between oral health status and risk of fractures in elder adults

Oral health condition, bone mineral density, skeletal muscle mass, fall, fracture, and frailty seem to be strongly interconnected. This study aimed to investigate associations between probability of osteoporot...

Seok Woo Hong, JunYeop Lee, Jeong-Hyun Kang in Scientific Reports (2023)

Article

QBO deepens MJO convection

The underlying mechanism that couples the Quasi-Biennial Oscillation (QBO) and the Madden-Julian oscillation (MJO) has remained elusive, challenging our understanding of both phenomena. A popular hypothesis ab...

Daeho **, Daehyun Kim, Seok-Woo Son, Lazaros Oreopoulos in Nature Communications (2023)

Article

Injectable and biodegradable piezoelectric hydrogel for osteoarthritis treatment

Osteoarthritis affects millions of people worldwide but current treatments using analgesics or anti-inflammatory drugs only alleviate symptoms of this disease. Here, we present an injectable, biodegradable pie...

Tra Vinikoor, Godwin K. Dzidotor, Thinh T. Le, Yang Liu… in Nature Communications (2023)

Article

Tunable stochastic memristors for energy-efficient encryption and computing

Information security and computing, two critical technological challenges for post-digital computation, pose opposing requirements – security (encryption) requires a source of unpredictability, while computing...

Kyung Seok Woo, Janguk Han, Su-in Yi, Luke Thomas, Hyungjun Park… in Nature Communications (2024)

Article

True random number generation using the spin crossover in LaCoO₃

While digital computers rely on software-generated pseudo-random number generators, hardware-based true random number generators (TRNGs), which employ the natural physics of the underlying hardware, provide tr...

Kyung Seok Woo, Alan Zhang, Allison Arabelo, Timothy D. Brown… in Nature Communications (2024)