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Showing 1 to 12 of 585 entries
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Low-crystalline iron oxide hydroxide nanoparticle anode for high-performance supercapacitors.

Nature communications

Owusu KA, Qu L, Li J, Wang Z, Zhao K, Yang C, Hercule KM, Lin C, Shi C, Wei Q, Zhou L, Mai L.
PMID: 28262797
Nat Commun. 2017 Mar 06;8:14264. doi: 10.1038/ncomms14264.

Carbon materials are generally preferred as anodes in supercapacitors; however, their low capacitance limits the attained energy density of supercapacitor devices with aqueous electrolytes. Here, we report a low-crystalline iron oxide hydroxide nanoparticle anode with comprehensive electrochemical performance at...

Visualizing the Cu/Cu2(O) Interface Transition in Nanoparticles with Environmental Scanning Transmission Electron Microscopy.

Journal of the American Chemical Society

LaGrow AP, Ward MR, Lloyd DC, Gai PL, Boyes ED.
PMID: 27936677
J Am Chem Soc. 2017 Jan 11;139(1):179-185. doi: 10.1021/jacs.6b08842. Epub 2016 Dec 27.

Understanding the oxidation and reduction mechanisms of catalytically active transition metal nanoparticles is important to improve their application in a variety of chemical processes. In nanocatalysis the nanoparticles can undergo oxidation or reduction in situ, and thus the redox...

Sample size re-estimation without un-blinding for time-to-event outcomes in oncology clinical trials.

Journal of biomedical research

Huang LH, Bai JL, Yu H, Chen F.
PMID: 28630393
J Biomed Res. 2017 Jun 20; doi: 10.7555/JBR.31.20160111. Epub 2017 Jun 20.

Sample size re-estimation is essential in oncology studies. However, the use of blinded sample size reassessment for survival data has been rarely reported. Based on the density function of the exponential distribution, an expectation-maximization (EM) algorithm of the hazard...

High-energy chirped- and divided-pulse Sagnac femtosecond fiber amplifier.

Optics letters

Guichard F, Zaouter Y, Hanna M, Mai KL, Morin F, Hönninger C, Mottay E, Georges P.
PMID: 25531616
Opt Lett. 2015 Jan 01;40(1):89-92. doi: 10.1364/OL.40.000089.

We report on the generation of 1.1-mJ, 300-fs pulses at 50 kHz by implementing an amplifier architecture whereby four stretched pulse replicas are created in the temporal and spatial domains, allowing pulse energy scaling by the same factor. The...

Interconnected LiCuVO.

Physical chemistry chemical physics : PCCP

Wang L, Dong Y, Zhao K, Luo W, Li S, Zhou L, Mai L.
PMID: 28492689
Phys Chem Chem Phys. 2017 May 24;19(20):13341-13347. doi: 10.1039/c7cp00049a.

Interconnected LiCuVO

Oxygen evolution reaction dynamics monitored by an individual nanosheet-based electronic circuit.

Nature communications

Wang P, Yan M, Meng J, Jiang G, Qu L, Pan X, Liu JZ, Mai L.
PMID: 28935942
Nat Commun. 2017 Sep 21;8(1):645. doi: 10.1038/s41467-017-00778-z.

The oxygen evolution reaction involves complex interplay among electrolyte, solid catalyst, and gas-phase and liquid-phase reactants and products. Monitoring catalysis interfaces between catalyst and electrolyte can provide valuable insights into catalytic ability. But it is a challenging task due...

Phosphorus Enhanced Intermolecular Interactions of SnO.

Small (Weinheim an der Bergstrasse, Germany)

Zhang L, Zhao K, Yu R, Yan M, Xu W, Dong Y, Ren W, Xu X, Tang C, Mai L.
PMID: 28371218
Small. 2017 May;13(20). doi: 10.1002/smll.201603973. Epub 2017 Mar 31.

SnO

Vacuum synthesis of magnetic aluminum phthalocyanine on Au(111).

Chemical communications (Cambridge, England)

Hong IP, Li N, Zhang YJ, Wang H, Song HJ, Bai ML, Zhou X, Li JL, Gu GC, Zhang X, Chen M, Gottfried JM, Wang D, Lü JT, Peng LM, Hou SM, Berndt R, Wu K, Wang YF.
PMID: 27406881
Chem Commun (Camb). 2016 Aug 16;52(68):10338-41. doi: 10.1039/c6cc03359h.

Air-unstable magnetic aluminum phthalocyanine (AlPc) molecules are prepared by an on-surface metalation reaction of phthalocyanine with aluminum (Al) atoms on Au(111) in ultrahigh vacuum. Experiments and density functional theory calculations show that an unpaired spin is located on the...

Lattice Breathing Inhibited Layered Vanadium Oxide Ultrathin Nanobelts for Enhanced Sodium Storage.

ACS applied materials & interfaces

Wei Q, Jiang Z, Tan S, Li Q, Huang L, Yan M, Zhou L, An Q, Mai L.
PMID: 26258426
ACS Appl Mater Interfaces. 2015 Aug 26;7(33):18211-7. doi: 10.1021/acsami.5b06154. Epub 2015 Aug 14.

Operating as the "rocking-chair" battery, sodium ion battery (SIB) with acceptable high capacity is a very promising energy storage technology. Layered vanadium oxide xerogel exhibits high sodium storage capacity. But it undergoes large lattice breathing during sodiation/desodiation, resulting in...

Celebrations in Pioneering Electron Microscopy: A Symposium in Honor of Professor Archie Howie-Introduction.

Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada

Gai PL, Boyes ED, Carter CB, Cockayne DJ, Marks LD, Pennycook SJ.
PMID: 10898809
Microsc Microanal. 2000 Jul;6(4):281-284. doi: 10.1017.S1431927600000453.

No abstract available.

Discriminating chiral molecules of (R)-PPA and (S)-PPA in aqueous solution by ECSTM.

Angewandte Chemie (International ed. in English)

Xu QM, Wang D, Wan LJ, Wang C, Bai CL, Feng GQ, Wang MX.
PMID: 12298047
Angew Chem Int Ed Engl. 2002 Sep 16;41(18):3408-11. doi: 10.1002/1521-3773(20020916)41:18<3408::AID-ANIE3408>3.0.CO;2-7.

No abstract available.

A neural implementation of canonical correlation analysis.

Neural networks : the official journal of the International Neural Network Society

Lai PL, Fyfe C.
PMID: 12662622
Neural Netw. 1999 Dec;12(10):1391-1397. doi: 10.1016/s0893-6080(99)00075-1.

We derive a new method of performing Canonical Correlation Analysis with Artificial Neural Networks. We demonstrate the network's capabilities on artificial data and then compare its effectiveness with that of a standard statistical method on real data. We demonstrate...

Showing 1 to 12 of 585 entries