Metal-free catalysts for oxygen reduction reaction
… Durable performance was observed for nearly 700 h in a H 2 –air fuel cell operated at a
constant voltage of 0.4 V. Wu and co-workers further demonstrated that M–N–C catalysts are rich …
constant voltage of 0.4 V. Wu and co-workers further demonstrated that M–N–C catalysts are rich …
Controlled growth of ZnO nanowires and their optical properties
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 …
oxide nanowires and their unique optical properties. The growth of ZnO nanowires was …
The 2019 American College of Rheumatology/European league against rheumatism classification criteria for IgG4‐related disease
ZS Wallace, RP Naden, S Chari, H Choi… - Arthritis & …, 2020 - Wiley Online Library
Objective IgG4‐related disease (IgG4‐ RD ) can cause fibroinflammatory lesions in nearly
any organ. Correlation among clinical, serologic, radiologic, and pathologic data is required …
any organ. Correlation among clinical, serologic, radiologic, and pathologic data is required …
The origin of the anomalous superconducting properties of MgB2
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 …
ways, including the failure of conventional models 2 to predict accurately its unusually high …
Single-crystal gallium nitride nanotubes
… After the GaN deposition, the samples were treated at 600 C with 10% H 2 in argon to … The
other approach is to use thermal reduction at high temperatures (for example, 600 C in H 2 ). …
other approach is to use thermal reduction at high temperatures (for example, 600 C in H 2 ). …
Highly conductive, printable and stretchable composite films of carbon nanotubes and silver
… The bottom electrodes of the LEDs were attached to the Ag–MWNT film by thermal annealing
(150 C for 1 h). The top electrodes of the LEDs were connected to gold wires. A gold wire, …
(150 C for 1 h). The top electrodes of the LEDs were connected to gold wires. A gold wire, …
Estimates of the prevalence of arthritis and other rheumatic conditions in the United States: Part II
…, CG Helmick, LM Arnold, H Choi… - Arthritis & …, 2008 - Wiley Online Library
Objective To provide a single source for the best available estimates of the US prevalence of
and number of individuals affected by osteoarthritis, polymyalgia rheumatica and giant cell …
and number of individuals affected by osteoarthritis, polymyalgia rheumatica and giant cell …
Predicting the present with Google Trends
H Choi, H Varian - Economic record, 2012 - Wiley Online Library
… version of our earlier working papers, Choi and Varian (2009a,b), which includes other
more sophisticated models. … In economics, Choi and Varian (2009a,b) described how to …
more sophisticated models. … In economics, Choi and Varian (2009a,b) described how to …
Stable perovskite solar cells with efficiency exceeding 24.8% and 0.3-V voltage loss
… The presence of fluorine atoms induces the creation of kinetic barriers that slow the intrusion
of O 2 and H 2 O. The increased hydrophobicity generated by using fluorinated Spiro-type …
of O 2 and H 2 O. The increased hydrophobicity generated by using fluorinated Spiro-type …
A graphene-based electrochemical device with thermoresponsive microneedles for diabetes monitoring and therapy
… h, Bode plots of the electrodes in PBS after electrodeposition of PEDOT. i, CV plots of the
electrodes in PBS after electrodeposition of PB (scan rate: 0.1 V s –1 with a commercial Ag/…
electrodes in PBS after electrodeposition of PB (scan rate: 0.1 V s –1 with a commercial Ag/…