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Showing 1 to 12 of 554 entries
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Student-directed assessment of knowledge building using electronic portfolios

Cultural Transformation in the Geoscience Community AND Program Evaluation

Chan CKK, Van J.
GSID: W5hNLvBpOVAJ
J Van Aalst, CKK Chan - The Journal of the Learning Sciences, 2007 - Taylor & Francis

Despite emphasis and progress in developing collaborative inquiry in computer-supported collaborative learning research, little attention has been given to examining how collective learning can be assessed in computer-supported collaborative learning classrooms, and how students can have agency in assessing...

Erratum: Hypertonic dextrose injections (prolotherapy) in the treatment of symptomatic knee osteoarthritis: A systematic review and meta-analysis.

Scientific reports

Sit RW, Chung VC, Reeves KD, Rabago D, Chan KK, Chan DC, Wu X, Ho RS, Wong SY.
PMID: 28387754
Sci Rep. 2017 Apr 07;7:45879. doi: 10.1038/srep45879.

No abstract available.

Diffusion of Aromatic Isomers in Acetone: An Investigation on the Effects of Intramolecular and Intermolecular Hydrogen Bonding.

The journal of physical chemistry. B

Chan TC, Tang WY, Chang NW, Chan CHC.
PMID: 29115128
J Phys Chem B. 2017 Dec 07;121(48):10882-10892. doi: 10.1021/acs.jpcb.7b06930. Epub 2017 Nov 21.

Limiting mutual diffusivities of o- and m-isomers of methylaniline, nitroaniline, nitrophenol, and aminophenol were measured in acetone at 298.2 K by the Taylor dispersion method. The data reveal that all of the o-substituted solutes capable of intramolecular hydrogen bonding...

Attenuation of near-IR light through dentin at wavelengths from 1300-1650-nm.

Proceedings of SPIE--the International Society for Optical Engineering

Chan AC, Darling CL, Chan KH, Fried D.
PMID: 24839373
Proc SPIE Int Soc Opt Eng. 2014 Feb 18;8929:89290M. doi: 10.1117/12.2045629.

Light scattering in dental enamel decreases markedly from the UV to the near-IR and recent studies employing near-IR transillumination and reflectance imaging including optical coherence tomography indicate that this wavelength region is ideally suited for imaging dental caries due...

Cu mesh for flexible transparent conductive electrodes.

Scientific reports

Kim WK, Lee S, Hee Lee D, Hee Park I, Seong Bae J, Woo Lee T, Kim JY, Hun Park J, Chan Cho Y, Ryong Cho C, Jeong SY.
PMID: 26039977
Sci Rep. 2015 Jun 03;5:10715. doi: 10.1038/srep10715.

Copper electrodes with a micromesh/nanomesh structure were fabricated on a polyimide substrate using UV lithography and wet etching to produce flexible transparent conducting electrodes (TCEs). Well-defined mesh electrodes were realized through the use of high-quality Cu thin films. The...

High contrast optical imaging methods for image guided laser ablation of dental caries lesions.

Proceedings of SPIE--the International Society for Optical Engineering

Lamantia NR, Tom H, Chan KH, Simon JC, Darling CL, Fried D.
PMID: 24791129
Proc SPIE Int Soc Opt Eng. 2014 Feb 18;8929. doi: 10.1117/12.2045683.

Laser based methods are well suited for automation and can be used to selectively remove dental caries to minimize the loss of healthy tissues and render the underlying enamel more resistant to acid dissolution. The purpose of this study...

Transillumination and reflectance probes for .

Proceedings of SPIE--the International Society for Optical Engineering

Simon JC, Lucas SA, Staninec M, Tom H, Chan KH, Darling CL, Fried D.
PMID: 24817803
Proc SPIE Int Soc Opt Eng. 2014 Feb 18;8929:89290D. doi: 10.1117/12.2045630.

Previous studies have demonstrated the utility of near infrared (NIR) imaging for caries detection employing transillumination and reflectance imaging geometries. Three intra-oral NIR imaging probes were fabricated for the acquisition of

Esophageal squamous papilloma lacks clear clinicopathological associations.

World journal of clinical cases

Jideh B, Weltman M, Wu Y, Chan CHY.
PMID: 28470005
World J Clin Cases. 2017 Apr 16;5(4):134-139. doi: 10.12998/wjcc.v5.i4.134.

AIM: To determine the prevalence of esophageal squamous papillomas (ESPs) in a tertiary teaching hospital and to assess for any clinical associations, including relations with esophageal squamous cell carcinomas (SCCs).METHODS: Data from a total of 6962 upper gastrointestinal endoscopies...

Correction: Impact of the 2009 H1N1 Pandemic on Age-Specific Epidemic Curves of Other Respiratory Viruses: A Comparison of Pre-Pandemic, Pandemic and Post-Pandemic Periods in a Subtropical City.

PloS one

Yang L, Chan KH, Suen LK, Chan KP, Wang X, Cao P, He D, Peiris JS, Wong CM.
PMID: 26192444
PLoS One. 2015 Jul 20;10(7):e0133946. doi: 10.1371/journal.pone.0133946. eCollection 2015.

No abstract available.

A Proof-of-Principle Setup for Delivery of Relenza.

Journal of aerosol medicine and pulmonary drug delivery

Leung SSY, Parumasivam T, Tang P, Chan HK.
PMID: 25974393
J Aerosol Med Pulm Drug Deliv. 2016 Feb;29(1):30-35. doi: 10.1089/jamp.2014.1179. Epub 2015 May 14.

BACKGROUND: A fatal incident was reported when a mechanical ventilated patient received nebulization of a reconstituted RelenzaMETHODS: This is a bench study demonstrating the feasibility of a delivery system to introduce dry powder of Relenza to intubated patients. A...

Synthesis, modification, and characterization of a family of homologues of exo-calix.

The Journal of organic chemistry

Burns DH, Chan HK, Miller JD, Jayne CL, Eichhorn DM.
PMID: 10993344
J Org Chem. 2000 Aug 25;65(17):5185-96. doi: 10.1021/jo0003044.

A general strategy for the preparation of the family of exo-[n.m.n.m]metacyclophanes (n,m > or = 3) in 6-steps (starting from 2-bromoanisole) that utilizes a [2 + 2] approach to furnish the exo-metacyclophane ring in good to moderate yield is...

The mechanism of the surfactant-aided soil washing system for hydrophobic and partial hydrophobic organics.

The Science of the total environment

Chu W, Chan KH.
PMID: 12711427
Sci Total Environ. 2003 May 20;307(1):83-92. doi: 10.1016/S0048-9697(02)00461-8.

A surfactant-aided soil washing mechanism is proposed in this study by examining nine common organic contaminants, which were divided into two groups, hydrophobic compounds and partial hydrophobic compounds, depending on the respective soil partitioning of contaminants, K(oc). The presence...

Showing 1 to 12 of 554 entries