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Showing 1 to 12 of 181 entries
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Conductance of partially disordered graphene: crossover from temperature-dependent to field-dependent variable-range hopping.

Journal of physics. Condensed matter : an Institute of Physics journal

Cheah CY, Gómez-Navarro C, Jaurigue LC, Kaiser AB.
PMID: 24140990
J Phys Condens Matter. 2013 Nov 20;25(46):465303. doi: 10.1088/0953-8984/25/46/465303. Epub 2013 Oct 21.

We report an analysis of low-temperature measurements of the conductance of partially disordered reduced graphene oxide, finding that the data follow a simple crossover scenario. At room temperature, the conductance is dominated by two-dimensional (2D) electric field-assisted, thermally driven...

Controls of primary production in two phytoplankton blooms in the Antarctic Circumpolar Current.

Deep-sea research. Part II, Topical studies in oceanography

Hoppe CJM, Klaas C, Ossebaar S, Soppa MA, Cheah W, Laglera LM, Santos-Echeandia J, Rost B, Wolf-Gladrow DA, Bracher A, Hoppema M, Strass V, Trimborn S.
PMID: 28515575
Deep Sea Res 2 Top Stud Oceanogr. 2017 Apr;138:63-73. doi: 10.1016/j.dsr2.2015.10.005.

The Antarctic Circumpolar Current has a high potential for primary production and carbon sequestration through the biological pump. In the current study, two large-scale blooms observed in 2012 during a cruise with R.V. Polarstern were investigated with respect to...

Continuous control of the nonlinearity phase for harmonic generations.

Nature materials

Li G, Chen S, Pholchai N, Reineke B, Wong PW, Pun EY, Cheah KW, Zentgraf T, Zhang S.
PMID: 25849530
Nat Mater. 2015 Jun;14(6):607-12. doi: 10.1038/nmat4267. Epub 2015 Apr 13.

The capability of locally engineering the nonlinear optical properties of media is crucial in nonlinear optics. Although poling is the most widely employed technique for achieving locally controlled nonlinearity, it leads only to a binary nonlinear state, which is...

Risk factors for diabetic retinopathy in diabetics screened using fundus photography at a primary health care setting in East malaysia.

Malaysian family physician : the official journal of the Academy of Family Physicians of Malaysia

Mallika P, Lee P, Cheah W, Wong J, Syed Alwi S, Nor Hayati H, Tan A.
PMID: 25606225
Malays Fam Physician. 2011 Aug 31;6(2):60-5. eCollection 2011.

INTRODUCTION: This study reports on the prevalence of diabetic retinopathy (DR) and risk factors among diabetic patients, who underwent fundus photography screening in a primary care setting of Borneo Islands, East Malaysia. We aimed to explore the preliminary data...

Antimicrobial and antioxidant activities of Cortex Magnoliae Officinalis and some other medicinal plants commonly used in South-East Asia.

Chinese medicine

Chan LW, Cheah EL, Saw CL, Weng W, Heng PW.
PMID: 19038060
Chin Med. 2008 Nov 28;3:15. doi: 10.1186/1749-8546-3-15.

BACKGROUND: Eight medicinal plants were tested for their antimicrobial and antioxidant activities. Different extraction methods were also tested for their effects on the bioactivities of the medicinal plants.METHODS: Eight plants, namely Herba Polygonis Hydropiperis (Laliaocao), Folium Murraya Koenigii (Jialiye),...

An organic p-type dopant with high thermal stability for an organic semiconductor.

Chemical communications (Cambridge, England)

Gao ZQ, Mi BX, Xu GZ, Wan YQ, Gong ML, Cheah KW, Chen CH.
PMID: 18399419
Chem Commun (Camb). 2008 Jan 07;(1):117-9. doi: 10.1039/b713566a.

To overcome the thermal instability of a p-doped organic hole transporting layer using the state-of-the-art p-type dopant, 2,3,5,6-tetrafluoro-7,7,8,8-tetracyanoquinodimethane, a potent electron accepter, 3,6-difluoro-2,5,7,7,8,8-hexacyanoquinodimethane, has been found to possess superior thermal stability and proved to be an excellent p-type dopant.

Spatial extent of the singlet and triplet excitons in luminescent angular-shaped transition-metal diynes and polyynes comprising non-pi-conjugated group 16 main group elements.

Chemistry (Weinheim an der Bergstrasse, Germany)

Poon SY, Wong WY, Cheah KW, Shi JX.
PMID: 16411257
Chemistry. 2006 Mar 08;12(9):2550-63. doi: 10.1002/chem.200501011.

A novel approach based on conjugation interruption has been developed and is presented for a series of luminescent and thermally stable chalcogen-bridged platinum(II) polyyne polymers trans-[{-Pt(PBu3)2C[triple bond]C(C6H4)E(C6H4)C[triple bond]C-}n] (E = O, S, SO, SO2). Particular attention was focused on...

Relationship between Ca(2+) release, sarcoplasmic Ca(2+), glycolysis and meat quality in halothane-sensitive and halothane-insensitive pigs.

Meat science

Cheah KS, Cheah AM, Crosland AR, Casey JC, Webb AJ.
PMID: 22056063
Meat Sci. 1984;10(2):117-30. doi: 10.1016/0309-1740(84)90064-0.

Post-mortem assessment of porcine stress susceptibility and meat quality by measurements of mitochondrial calcium (content and rate of release), water-holding capacity, pH at 1h post mortem and colour on M. longissimus dorsi confirm the usefulness of the halothane test...

Prevalence and Management of Functional Gastrointestinal Disorders in Infants: An Asian Perspective.

Pediatric gastroenterology, hepatology & nutrition

Cai W, Bharadia L, Juffrie M, Cheah FC, Quak SH, Titapant V, van Elburg R, Ludwig T.
PMID: 29383309
Pediatr Gastroenterol Hepatol Nutr. 2018 Jan;21(1):76-77. doi: 10.5223/pghn.2018.21.1.76. Epub 2018 Jan 12.

No abstract available.

Draft Genome Sequence of .

Genome announcements

Nadarajah K, Mat Razali N, Cheah BH, Sahruna NS, Ismail I, Tathode M, Bankar K.
PMID: 29074665
Genome Announc. 2017 Oct 26;5(43). doi: 10.1128/genomeA.01188-17.

Sheath blight, caused by

A note on heat shock protein 70 expression in goats subjected to road transportation under hot, humid tropical conditions.

Animal : an international journal of animal bioscience

Zulkifli I, Norbaiyah B, Cheah YW, Soleimani AF, Sazili AQ, Goh YM, Rajion MA.
PMID: 22444271
Animal. 2010 Jun;4(6):973-6. doi: 10.1017/S1751731110000285.

The influence of two different stocking densities (0.20 m2/animal and 0.40 m2/animal) in transit under the hot, humid tropical conditions on heat shock protein (hsp) 70 induction was investigated in 60 Boer does. The animals were road transported for...

Could Ergothioneine Aid in the Treatment of Coronavirus Patients?.

Antioxidants (Basel, Switzerland)

Cheah IK, Halliwell B.
PMID: 32646061
Antioxidants (Basel). 2020 Jul 07;9(7). doi: 10.3390/antiox9070595.

Infection with SARS-CoV-2 causes the coronavirus infectious disease 2019 (COVID-19), a pandemic that has, at present, infected more than 11 million people globally. Some COVID-19 patients develop a severe and critical illness, spurred on by excessive inflammation that can...

Showing 1 to 12 of 181 entries