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Showing 25 to 36 of 2738 entries
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Analysis of the Proportional Hazards Model with Sparse Longitudinal Covariates.

Journal of the American Statistical Association

Cao H, Churpek MM, Zeng D, Fine JP.
PMID: 26576066
J Am Stat Assoc. 2015;110(511):1187-1196. doi: 10.1080/01621459.2014.957289. Epub 2015 Nov 07.

Regression analysis of censored failure observations via the proportional hazards model permits time-varying covariates which are observed at death times. In practice, such longitudinal covariates are typically sparse and only measured at infrequent and irregularly spaced follow-up times. Full...

Frontiers in microbiology

Liu Q, Ni X, Wang Q, Peng Z, Niu L, Wang H, Zhou Y, Sun H, Pan K, Jing B, Zeng D.
PMID: 29018435
Front Microbiol. 2017 Sep 26;8:1885. doi: 10.3389/fmicb.2017.01885. eCollection 2017.

In this work, we searched for an effective probiotic that can help control intestinal infection, particularly enterotoxigenic

Control Synthesis of Tubular Hyper-Cross-Linked Polymers for Highly Porous Carbon Nanotubes.

ACS applied materials & interfaces

Wang X, Mu P, Zhang C, Chen Y, Zeng J, Wang F, Jiang JX.
PMID: 28570044
ACS Appl Mater Interfaces. 2017 Jun 21;9(24):20779-20786. doi: 10.1021/acsami.7b05345. Epub 2017 Jun 08.

Porous carbon nanotubes (PCNTs) have attracted considerable attention due to their large specific surface areas and unique one-dimensional (1D) structures. However, most of the reported synthetic strategies for PCNTs are complex and expensive. Herein, we present a self-templated, surfactant-free...

The advancements of heparanase in fibrosis.

International journal of molecular epidemiology and genetics

Lv Q, Zeng J, He L.
PMID: 28078057
Int J Mol Epidemiol Genet. 2016 Nov 30;7(4):137-140. eCollection 2016.

Fibrosis is the endpoint in many chronic inflammatory diseases and is defined as an abnormal accumulation of extracellular matrix components. Fibrosis can affect almost any tissue, especially heart, lung, liver, and kidney, and numerous studies have been conducted to...

Construction of the isocopalane skeleton: application of a desulfinylative 1,7-hydrogen atom transfer strategy.

Chemistry (Weinheim an der Bergstrasse, Germany)

Xiao X, Xu Z, Zeng QD, Chen XB, Ji WH, Han Y, Wu P, Ren J, Zeng BB.
PMID: 25907201
Chemistry. 2015 Jun 01;21(23):8351-4. doi: 10.1002/chem.201500794. Epub 2015 Apr 23.

Two attractive chirons, aldehyde 6 and chloride 7, exhibiting functionalized ent-spongiane-type tricyclic skeletons (ABC ring system), have been constructed and their absolute configurations have been studied by NMR spectroscopy and confirmed by single-crystal X-ray diffraction. Both of these chirons...

Measurements of ocean bottom low-angle backscattering by single-mode reverberation.

The Journal of the Acoustical Society of America

Zeng J, Zhao WY, Peng DY, Li HF, Gao TF, Shang EC.
PMID: 25480047
J Acoust Soc Am. 2014 Dec;136(6):2976. doi: 10.1121/1.4898418.

The characteristics of scattering due to interface roughness are usually described by the backscattering matrix for reverberation modeling. The backscattering matrix based on the Bass perturbation theory has significant differences from that based on the empirical scattering rule (Lambert's...

Two 3d-4f nanomagnets formed via a two-step in situ reaction of picolinaldehyde.

Chemical communications (Cambridge, England)

Liu JL, Chen YC, Li QW, Gómez-Coca S, Aravena D, Ruiz E, Lin WQ, Leng JD, Tong ML.
PMID: 23765169
Chem Commun (Camb). 2013 Jul 25;49(58):6549-51. doi: 10.1039/c3cc43200a. Epub 2013 Jun 14.

Two 3d-4f nanomagnets, [Dy(III)2Cu(II)7] (1) and [Gd(III)6Cu(II)12] (2), are synthesized under a two-step in situ reaction of picolinaldehyde. Not only the final adduct (hemiacetal), but also the intermediate (gem-diol) are "visualized" by X-ray single crystal diffraction. The Dy complex...

Accuracy improvement of quantitative analysis in laser-induced breakdown spectroscopy using modified wavelet transform.

Optics express

Zou XH, Guo LB, Shen M, Li XY, Hao ZQ, Zeng QD, Lu YF, Wang ZM, Zeng XY.
PMID: 24921726
Opt Express. 2014 May 05;22(9):10233-8. doi: 10.1364/OE.22.010233.

A modified algorithm of background removal based on wavelet transform was developed for spectrum correction in laser-induced breakdown spectroscopy (LIBS). The optimal type of wavelet function, decomposition level and scaling factor γ were determined by the root-mean-square error of...

Joint Analysis of Survival Time and Longitudinal Categorical Outcomes.

Statistics in biosciences

Choi J, Cai J, Zeng D, Olshan AF.
PMID: 26052353
Stat Biosci. 2015 May;7(1):19-47. doi: 10.1007/s12561-013-9091-z.

In biomedical or public health research, it is common for both survival time and longitudinal categorical outcomes to be collected for a subject, along with the subject's characteristics or risk factors. Investigators are often interested in finding important variables...

Shape-related optical and catalytic properties of wurtzite-type CoO nanoplates and nanorods.

Nanotechnology

Lu A, Chen Y, Zeng D, Li M, Xie Q, Zhang X, Peng DL.
PMID: 24356716
Nanotechnology. 2014 Jan 24;25(3):035707. doi: 10.1088/0957-4484/25/3/035707.

In this paper, we report the anisotropic optical and catalytic properties of wurtzite-type hexagonal CoO (h-CoO) nanocrystals, an unusual nanosized indirect semiconductor material. h-CoO nanoplates and nanorods with a divided morphology have been synthesized via facile solution methods. The...

High mobility group box 1: a novel mediator of Th2-type response-induced airway inflammation of acute allergic asthma.

Journal of thoracic disease

Ma L, Zeng J, Mo B, Wang C, Huang J, Sun Y, Yu Y, Liu S.
PMID: 26623095
J Thorac Dis. 2015 Oct;7(10):1732-41. doi: 10.3978/j.issn.2072-1439.2015.10.18.

BACKGROUND: High mobility group box 1 (HMGB1) is an inflammatory mediator involved into the advanced stage of systemic inflammatory response syndrome (SIRS), and is over-expressed in bacterial sepsis and hemorrhagic shock. Recently, it has been found that the HMGB1...

Erratum to: Determinants of RFID Adoption in Malaysia's Healthcare Industry: Occupational Level as a Moderator.

Journal of medical systems

Zailani S, Iranmanesh M, Nikbin D, Beng JK.
PMID: 26077128
J Med Syst. 2015 Aug;39(8):74. doi: 10.1007/s10916-015-0263-x.

No abstract available.

Showing 25 to 36 of 2738 entries