User profiles for "author:Xiaoyan Zhang"

Xiaoyan Zhang

Xinyuan Chair Professor of Finance, Tsinghua University
Verified email at pbcsf.tsinghua.edu.cn
Cited by 15998

[HTML][HTML] Unmanned aerial vehicle remote sensing for field-based crop phenotyping: current status and perspectives

G Yang, J Liu, C Zhao, Z Li, Y Huang, H Yu… - Frontiers in plant …, 2017 - frontiersin.org
Phenotyping plays an important role in crop science research; the accurate and rapid
acquisition of phenotypic information of plants or cells in different environments is helpful for …

Bioinspired polymer vesicles and membranes for biological and medical applications

CG Palivan, R Goers, A Najer, X Zhang, A Car… - Chemical society …, 2016 - pubs.rsc.org
Biological membranes play an essential role in living organisms by providing stable and
functional compartments, preserving cell architecture, whilst supporting signalling and …

Stimuli-responsive polymers and their applications in nanomedicine

E Cabane, X Zhang, K Langowska, CG Palivan… - …, 2012 - pubs.aip.org
This review focuses on smart nano-materials built of stimuli-responsive (SR) polymers and
will discuss their numerous applications in the biomedical field. The authors will first provide …

The cross‐section of volatility and expected returns

A Ang, RJ Hodrick, Y Xing, X Zhang - The journal of finance, 2006 - Wiley Online Library
We examine the pricing of aggregate volatility risk in the cross‐section of stock returns.
Consistent with theory, we find that stocks with high sensitivities to innovations in aggregate …

High idiosyncratic volatility and low returns: International and further US evidence

A Ang, RJ Hodrick, Y Xing, X Zhang - Journal of Financial Economics, 2009 - Elsevier
Stocks with recent past high idiosyncratic volatility have low future average returns around
the world. Across 23 developed markets, the difference in average returns between the …

Superparamagnetic graphene oxide–Fe 3 O 4 nanoparticles hybrid for controlled targeted drug carriers

X Yang, X Zhang, Y Ma, Y Huang, Y Wang… - Journal of materials …, 2009 - pubs.rsc.org
A superparamagnetic graphene oxide–Fe3O4nanoparticles hybrid (GO–Fe3O4) was
prepared via a simple and effective chemical precipitation method. The amount of loading of …

Which shorts are informed?

E Boehmer, CM Jones, X Zhang - The Journal of Finance, 2008 - Wiley Online Library
We construct a long daily panel of short sales using proprietary NYSE order data. From 2000
to 2004, shorting accounts for more than 12.9% of NYSE volume, suggesting that shorting …

High-efficiency loading and controlled release of doxorubicin hydrochloride on graphene oxide

X Yang, X Zhang, Z Liu, Y Ma, Y Huang… - The Journal of Physical …, 2008 - ACS Publications
A novel graphene oxide− doxorubicin hydrochloride nanohybrid (GO− DXR) was prepared
via a simple noncovalent method, and the loading and release behaviors of DXR on GO …

Ultrafast Saturable Absorption of Two-Dimensional MoS2 Nanosheets

K Wang, J Wang, J Fan, M Lotya, A O'Neill, D Fox… - ACS …, 2013 - ACS Publications
Employing high-yield production of layered materials by liquid-phase exfoliation,
molybdenum disulfide (MoS2) dispersions with large populations of single and few layers …

International stock return comovements

G Bekaert, RJ Hodrick, X Zhang - The Journal of Finance, 2009 - Wiley Online Library
We examine international stock return comovements using country‐industry and country‐
style portfolios as the base portfolios. We first establish that parsimonious risk‐based factor …