Nature Search

Integrative analysis of risk factors for immune-related adverse events of checkpoint blockade therapy in cancer

Sung et. al. identify genetic, molecular and clinical risk factors for immune-related adverse events in multicancer cohorts of patients treated with checkpoint inhibitors and develop predictive models that they validate in an independent cohort.

Changhwan Sung
Jinhyeon An
Sook Ryun Park
Research12 Jun 2023
Nature Cancer

Volume: 4, P: 844-859
Bio-realistic synaptic characteristics in the cone-shaped ZnO memristive device

In this research, we utilize unique cone-shaped structure of crystalline n-ZnO semiconductor, fabricated by controlled wet etching conditions to realize near to bio-synapse size (~20–40 nm) electronic synapse device. The comprehensive “synaptic plasticity behavior” was realized in the device via homogeneous oxygen vacancies accumulation and relaxation states such as paired-pulse facilitation (PPF), short-term plasticity (STP) to long-term plasticity (LTP) memory transition, and important “learning-experience” synaptic functioning.

Andrey Sergeevich Sokolov
Yu-Rim Jeon
Changhwan Choi
ResearchOpen Access23 Jan 2019
NPG Asia Materials

Volume: 11, P: 1-15
Oxygen reservoir effect of Tungsten trioxide electrode on endurance performance of ferroelectric capacitors for FeRAM applications

Yejoo Choi
Jaemin Shin
Changhwan Shin
ResearchOpen Access21 Nov 2024
Scientific Reports

Volume: 14, P: 1-8
Improved remnant polarization of Zr-doped HfO₂ ferroelectric film by CF₄/O₂ plasma passivation

Yejoo Choi
Hyeonjung Park
Changhwan Shin
ResearchOpen Access06 Oct 2022
Scientific Reports

Volume: 12, P: 1-7
Artificial optic-neural synapse for colored and color-mixed pattern recognition

Artificial neural networks can emulate the human vision because of their spike-based operation by employing memristors as synapses. Here, Seo et al. integrate synaptic and optical sensing functions in a single heterostructure, which enables accurate and energy-efficient recognition of colored patterns.

Seunghwan Seo
Seo-Hyeon Jo
Jin-Hong Park
ResearchOpen Access30 Nov 2018
Nature Communications

Volume: 9, P: 1-8
Highly Sensitive and Full Range Detectable Humidity Sensor using PEDOT:PSS, Methyl Red and Graphene Oxide Materials

Gul Hassan
Memoon Sajid
Changhwan Choi
ResearchOpen Access23 Oct 2019
Scientific Reports

Volume: 9, P: 1-10
Wing-strain-based flight control of flapping-wing drones through reinforcement learning

Inspired by mechanoreceptors on flying insects, a flapping-wing drone that makes use of strain sensors on the wings and reinforcement-learning-based flight control has been developed. The drone can fly in various unsteady environments, including in windy conditions.

Taewi Kim
Insic Hong
Daeshik Kang
ResearchOpen Access20 Sept 2024
Nature Machine Intelligence

Volume: 6, P: 992-1005
Crumple-recoverable electronics based on plastic to elastic deformation transitions

The mechanical properties of sheet-like devices can be transformed via thermal modulation from an elastic state suitable for smoothing out wrinkles formed during crumpling to a plastic state suitable for free-standing operation.

Yeonwook Roh
Seunggon Lee
Seungyong Han
Research06 Dec 2023
Nature Electronics

Volume: 7, P: 66-76
MHC II immunogenicity shapes the neoepitope landscape in human tumors

DeepNeo identifies major histocompatibility complex (MHC) I or MHC II neoepitopes that are immunogenically compatible with the T cell repertoire. It can predict neoepitopes most likely to be depleted through spontaneous immunity or through immune checkpoint blockade from untreated and immunotherapy-treated tumor datasets.

Jeong Yeon Kim
Hongui Cha
Jung Kyoon Choi
Research09 Jan 2023
Nature Genetics

Volume: 55, P: 221-231
Hot carrier multiplication on graphene/TiO₂ Schottky nanodiodes

Young Keun Lee
Hongkyw Choi
Jeong Young Park
ResearchOpen Access08 Jun 2016
Scientific Reports

Volume: 6, P: 1-9
Compliance-Free, Digital SET and Analog RESET Synaptic Characteristics of Sub-Tantalum Oxide Based Neuromorphic Device

Yawar Abbas
Yu-Rim Jeon
Changhwan Choi
ResearchOpen Access19 Jan 2018
Scientific Reports

Volume: 8, P: 1-10

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