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Variance estimation using refitted cross-validation in ultrahigh dimensional regression.
- Jianqing Fan, S. Guo, Ning Hao
- Mathematics, Medicine
- Journal of the Royal Statistical Society. Series…
- 29 April 2010
Variance estimation is a fundamental problem in statistical modelling. In ultrahigh dimensional linear regression where the dimensionality is much larger than the sample size, traditional variance… Expand
Hemin-graphene hybrid nanosheets with intrinsic peroxidase-like activity for label-free colorimetric detection of single-nucleotide polymorphism.
This paper demonstrated for the first time a simple wet-chemical strategy for synthesizing hemin-graphene hybrid nanosheets (H-GNs) through the π-π interactions. Significantly, this new material… Expand
Cyclodextrin functionalized graphene nanosheets with high supramolecular recognition capability: synthesis and host-guest inclusion for enhanced electrochemical performance.
- Yujing Guo, S. Guo, Jiangtao Ren, Yueming Zhai, S. Dong, E. Wang
- Materials Science, Medicine
- ACS nano
- 28 June 2010
Cyclodextrins (CDs) are oligosaccharides composed of six, seven, or eight glucose units (alpha-, beta-, or gamma-CD, respectively), which are toroidal in shape with a hydrophobic inner cavity and a… Expand
Reducing sugar: new functional molecules for the green synthesis of graphene nanosheets.
In this paper, we developed a green and facile approach to the synthesis of chemically converted graphene nanosheets (GNS) based on reducing sugars, such as glucose, fructose and sucrose using… Expand
Least Absolute Relative Error Estimation
- K. Chen, S. Guo, Yuanyuan Lin, Z. Ying
- Mathematics, Medicine
- Journal of the American Statistical Association
- 1 September 2010
Multiplicative regression model or accelerated failure time model, which becomes linear regression model after logarithmic transformation, is useful in analyzing data with positive responses, such as… Expand
Synthesis and electrochemical applications of gold nanoparticles.
This review covers recent advances in synthesis and electrochemical applications of gold nanoparticles (AuNPs). Described approaches include the synthesis of AuNPs via designing and choosing new… Expand
Three-dimensional Pt-on-Pd bimetallic nanodendrites supported on graphene nanosheet: facile synthesis and used as an advanced nanoelectrocatalyst for methanol oxidation.
Graphene nanosheet, the hottest material in physics and materials science, has been studied extensively because of its unique electronic, thermal, mechanical, and chemical properties arising from its… Expand
High Dimensional and Banded Vector Autoregressions
We consider a class of vector autoregressive models with banded coefficient matrices. The setting represents a type of sparse structure for high-dimensional time series, though the implied… Expand
Platinum nanoparticle ensemble-on-graphene hybrid nanosheet: one-pot, rapid synthesis, and used as new electrode material for electrochemical sensing.
The development of nanoscience and nanotechnology has inspired scientists to continuously explore new electrode materials for constructing an enhanced electrochemical platform for sensing. In this… Expand
Easy synthesis and imaging applications of cross-linked green fluorescent hollow carbon nanoparticles.
We propose an ingenious method for synthesizing cross-linked hollow fluorescent carbon nanoparticles (HFCNs) with green emission by simply mixing acetic acid, water, and diphosphorus pentoxide. This… Expand