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Showing 1 to 12 of 177 entries
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A strain-tunable nanoimprint lithography for linear variable photonic crystal filters.

Nanotechnology

Liu L, Khan HA, Li J, Hillier AC, Lu M.
PMID: 27276512
Nanotechnology. 2016 Jul 22;27(29):295301. doi: 10.1088/0957-4484/27/29/295301. Epub 2016 Jun 08.

This paper presents the fabrication methodology of a linear variable photonic crystal (PC) filter with narrowband reflection that varies over a broad spectral range along the length of the filter. The key component of the linear variable PC filter...

Serum biomarkers for acute hepatotoxicity of Echis pyramidum snake venom in rats.

International journal of clinical and experimental medicine

Asmari AK, Khan HA, Banah FA, Buraidi AA, Manthiri RA.
PMID: 25785140
Int J Clin Exp Med. 2015 Jan 15;8(1):1376-80. eCollection 2015.

Echis pyramidum is a venomous viper responsible for most cases of envenomation in Arabian Peninsula. We determined the acute phase (3-6 h) changes in serum markers of liver function including alanine aminotransferase (ALT), alkaline phosphatase (ALP), gamma glutamyl transferase...

The negative effect of ceria on the propene selectivity for isopropanol decomposition over phosphated and phosphate-free ceria/alumina catalysts.

SpringerPlus

Khalaf HA.
PMID: 24340242
Springerplus. 2013 Nov 20;2:619. doi: 10.1186/2193-1801-2-619. eCollection 2013.

Consequences of loading level of ceria (5, 10 and 20-wt%) on the structural, textural and surface acid-base properties as well as the impacts on catalytic activity towards isopropanol decomposition on pure and phosphated alumina is described. The obtained results...

Investigations on Binding Pattern of Kinase Inhibitors with PPAR.

PPAR research

Mazumder M, Ponnan P, Das U, Gourinath S, Khan HA, Yang J, Sakharkar MK.
PMID: 28321247
PPAR Res. 2017;2017:6397836. doi: 10.1155/2017/6397836. Epub 2017 Feb 22.

Peroxisome proliferator-activated receptor gamma (PPAR

Serum levels of thrombotic markers in patients with acute myocardial infarction.

International journal of clinical and experimental medicine

Islam S, Yakout SM, Daghri NM, Alhomida AS, Khan HA.
PMID: 24955182
Int J Clin Exp Med. 2014 Apr 15;7(4):1059-63. eCollection 2014.

Tissue plasminogen activator (TPA) and plasminogen activator inhibitor-1 (PAI-1) have pro- and anti-fibrinolytic activities respectively. The net fibrinolytic activity is mainly determined by the balance between TPA and PAI-1 levels. Considering the important role of these markers in thrombotic...

Podophyllum hexandrum Offers Radioprotection by Modulating Free Radical Flux: Role of Aryl-Tetralin Lignans.

Evidence-based complementary and alternative medicine : eCAM

Chawla R, Arora R, Singh S, Sagar RK, Sharma RK, Kumar R, Sharma A, Tripathi RP, Puri SC, Khan HA, Shawl AS, Sultan P, Krishan T, Qazi GN.
PMID: 17173115
Evid Based Complement Alternat Med. 2006 Dec;3(4):503-11. doi: 10.1093/ecam/nel037. Epub 2006 Jun 21.

We have evaluated the effect of variation in aryl-tetralin lignans on the radioprotective properties of Podophyllum hexandrum. Two fractionated fractions of P. hexandrum [methanolic (S1) and chloroform fractions (S2)], with varying aryl-tetralin lignan content were utilized for the present...

Bayesian, maximum parsimony and UPGMA models for inferring the phylogenies of antelopes using mitochondrial markers.

Evolutionary bioinformatics online

Khan HA, Arif IA, Bahkali AH, Al Farhan AH, Al Homaidan AA.
PMID: 19204824
Evol Bioinform Online. 2008 Oct 06;4:263-70. doi: 10.4137/ebo.s934.

This investigation was aimed to compare the inference of antelope phylogenies resulting from the 16S rRNA, cytochrome-b (cyt-b) and d-loop segments of mitochondrial DNA using three different computational models including Bayesian (BA), maximum parsimony (MP) and unweighted pair group...

Mechanistic insights into the rhodium-catalyzed intramolecular ketone hydroacylation.

Journal of the American Chemical Society

Shen Z, Dornan PK, Khan HA, Woo TK, Dong VM.
PMID: 19128061
J Am Chem Soc. 2009 Jan 28;131(3):1077-91. doi: 10.1021/ja806758m.

[Rh((R)-DTBM-SEGPHOS)]BF(4) catalyzes the intramolecular hydroacylation of ketones to afford seven-membered lactones in large enantiomeric excess. Herein, we present a combined experimental and theoretical study to elucidate the mechanism and origin of selectivity in this C-H bond activation process. Evidence...

Ulcerative colitis amongst the Saudis: six-year experience from Al-Madinah region.

Saudi journal of gastroenterology : official journal of the Saudi Gastroenterology Association

Khan HA, Mahrous AS, Fachartz, Khawaja FI.
PMID: 19864830
Saudi J Gastroenterol. 1996 May;2(2):69-73.

Ulcerative Colitis is now being recognized amongst the Arabs. After consideration of the clinical, endoscopic and histopathological data, 80 Saudi patients out of 1,182, were diagnosed as ulcerative colitis. There were 47 males and 33 females. The age ranged...

Effect of gold nanoparticles on glutathione and malondialdehyde levels in liver, lung and heart of rats.

Saudi journal of biological sciences

Khan HA, Abdelhalim MA, Al-Ayed MS, Alhomida AS.
PMID: 23961207
Saudi J Biol Sci. 2012 Oct;19(4):461-4. doi: 10.1016/j.sjbs.2012.06.005. Epub 2012 Jun 21.

We studied the effect of gold nanoparticles (NPs) on oxidative stress markers including reduced glutathione (GSH) and malondialdehyde (MDA) in different organs of rats. Adult male Wistar-Kyoto rats were randomly divided into 3 groups of 5 animals each. One...

Current trends for customized biomedical software tools.

Bioinformation

Khan HA.
PMID: 29379257
Bioinformation. 2017 Dec 31;13(12):402-404. doi: 10.6026/97320630013402. eCollection 2017.

In the past, biomedical scientists were solely dependent on expensive commercial software packages for various applications. However, the advent of user-friendly programming languages and open source platforms has revolutionized the development of simple and efficient customized software tools for...

Correlation of TP53 Overexpression and Clinical Parameters with Five-Year Survival in Oral Squamous Cell Carcinoma Patients.

Cureus

Ali SA, Khan HA, Irfan O, Samad A, Mirza Y, Awan MS.
PMID: 28856073
Cureus. 2017 Jun 27;9(6):e1401. doi: 10.7759/cureus.1401.

Introduction TP53 mutation and overexpression have been correlated with poor survival in many cancers including oral squamous cell carcinoma (OSCC). We aim to understand the role of TP53 overexpression in OSCC in our population and correlate it with five-year...

Showing 1 to 12 of 177 entries