User profiles for H.J. Choi

Hyoung Joon Choi

- Verified email at yonsei.ac.kr - Cited by 13031

Heon-Jin Choi

- Verified email at yonsei.ac.kr - Cited by 12477

Hyung Jin Choi

- Verified email at snu.ac.kr - Cited by 6061

High-Resolution Crystal Structure of an Engineered Human β2-Adrenergic G Protein–Coupled Receptor

…, SGF Rasmussen, FS Thian, TS Kobilka, HJ Choi… - science, 2007 - science.org
Heterotrimeric guanine nucleotide–binding protein (G protein)–coupled receptors constitute
the largest family of eukaryotic signal transduction proteins that communicate across the …

Crystal structure of the human β2 adrenergic G-protein-coupled receptor

SGF Rasmussen, HJ Choi, DM Rosenbaum… - Nature, 2007 - nature.com
Structural analysis of G-protein-coupled receptors (GPCRs) for hormones and neurotransmitters
has been hindered by their low natural abundance, inherent structural flexibility, and …

Factors influencing adult learners' decision to drop out or persist in online learning

JH Park, HJ Choi - Journal of Educational Technology & Society, 2009 - JSTOR
The number of adult learners who participate in online learning has rapidly grown in the last
two decades due to online learning’s many advantages. In spite of the growth, the high …

The origin of the anomalous superconducting properties of MgB2

HJ Choi, D Roundy, H Sun, ML Cohen, SG Louie - Nature, 2002 - nature.com
Magnesium diboride 1 differs from ordinary metallic superconductors in several important
ways, including the failure of conventional models 2 to predict accurately its unusually high …

Metal-free catalysts for oxygen reduction reaction

L Dai, Y Xue, L Qu, HJ Choi, JB Baek - Chemical reviews, 2015 - ACS Publications
The rising global energy demand and environmental impact of traditional energy resources
pose serious challenges to human health, energy security, and environmental protection.(1-3…

Controlled growth of ZnO nanowires and their optical properties

…, N Morris, J Pham, R He, HJ Choi - Advanced functional …, 2002 - Wiley Online Library
This article surveys recent developments in the rational synthesis of single‐crystalline zinc
oxide nanowires and their unique optical properties. The growth of ZnO nanowires was …

Single-crystal gallium nitride nanotubes

J Goldberger, R He, Y Zhang, S Lee, H Yan, HJ Choi… - Nature, 2003 - nature.com
Since the discovery of carbon nanotubes in 1991 (ref. 1 ), there have been significant research
efforts to synthesize nanometre-scale tubular forms of various solids 2 , 3 , 4 , 5 , 6 , 7 , 8 , …

A graphene-based electrochemical device with thermoresponsive microneedles for diabetes monitoring and therapy

…, HJ Choi, TD Chung, N Lu, T Hyeon, SH Choi… - Nature …, 2016 - nature.com
Owing to its high carrier mobility, conductivity, flexibility and optical transparency, graphene
is a versatile material in micro-and macroelectronics. However, the low density of …

Structure of a nanobody-stabilized active state of the β2 adrenoceptor

SGF Rasmussen, HJ Choi, JJ Fung, E Pardon… - Nature, 2011 - nature.com
G protein coupled receptors (GPCRs) exhibit a spectrum of functional behaviours in response
to natural and synthetic ligands. Recent crystal structures provide insights into inactive …

Pembrolizumab in combination with gemcitabine and cisplatin compared with gemcitabine and cisplatin alone for patients with advanced biliary tract cancer …

…, X Chen, A Cheng, TJ Chiu, HJ Choi, HJ Chon… - The Lancet, 2023 - thelancet.com
Background Biliary tract cancers, which arise from the intrahepatic or extrahepatic bile ducts
and the gallbladder, generally have a poor prognosis and are rising in incidence worldwide. …