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Faryal Khan,Faisal Qayyum,Waqas Asghar,Muhammad Azeem,Zeeshan Anjum,Ali Nasir,Masood Shah 대한기계학회 2017 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.31 No.11
Carbon fiber reinforced aluminum laminates (CARALL) are one of the aluminum based Fiber metal laminates (FMLs) which, due to their high strength to weight ratio and good impact resistance are greatly replacing aluminum alloys in aircraft structures. In this research work, interlaminate shear strength of Vacuum assisted resin transfer molding (VARTM) manufactured CARALL has been investigated. Numerical simulation model incorporated with real time material data has been developed to predict the delamination behavior of CARALL laminates. Standard CARALL specimens with different surface morphologies were prepared by electric discharge machining, mechanical, chemical and electrochemical surface treatments. T-peel tests were carried out according to standard ASTM D1876-08 to find out inter laminate shear strength. FMLs made out of mechanically, chemically and electrochemically cleaned metal sheets depicted high interlaminate shear strength. SEM micrographs of failed surfaces verify the high adhesive strength of epoxy. Developed numerical simulation model accurately predicts the delamination behavior of CARALL as observed during experimentation.
Quantitative Review of Oral Cancer Research Output from Pakistan
Khan, Zohaib,Muller, Steffen,Ahmed, Shahzad,Tonnies, Justus,Nadir, Faryal,Samkange-Zeeb, Florence Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.11
Background: Oral cancer is the most common cancer among men and second only to breast cancer among women in Pakistan. For the effective control and prevention of oral cancer, Pakistan needs to recognize the importance of research and generation of the evidence-base which can inform policy making and planning and implementation of intervention programs. The objective of this review was to quantify oral cancer research output in Pakistan. Materials and Methods: A systematic electronic search in "Medline", "ISI-Web of Science" and "Pakmedinet", supplemented by a Google search, was carried out in January and February, 2014, to identify literature from Pakistan relevant to oral cancer. The selection of publications for the review was carried out according to preset criteria. Data were recorded and analyzed using Microsoft Excel. Results: A total of 166 publications comprising 62 case series, 36 cross sectional, 31 case control, 10 basic laboratory research, eleven reviews and two trials, were included in this review. Some 35 % of the publications focused on risk factors for oral cancer. COMSATS Institute of Information Technology was the institution with the highest contribution. Conclusions: There is a lack of research in the field of oral cancer research in Pakistan. Focused efforts should be put in place to improve both quality and quantity of oral cancer research in the country.
Javid Hussain,Najeeb Ur Rehman,Ahmed Al-Harrasi,Abdul Latif Khan,Tania Shamim Rizvi,Faryal Vali Mohammad,Mehjabeen,Liaqat Ali 대한약학회 2015 Archives of Pharmacal Research Vol.38 No.6
The plant species of genus Nepeta are used totreat various human diseases and for ornamental purposesas well. Nepethalate B (1) was isolated as a result ofphytochemical investigations of Nepeta clarkei and wassubjected in the present study for investigation of analgesic,anti-inflammatory, and central nervous system (CNS)depressant activities. The percentage inhibition in phase Iof the acetic acid induced writhing test of compound 1(dose of 0.1, 0.2 and 0.4 mg/kg of body weight) was 53.3,58.0 and 86.7 % respectively. These results were foundsignificantly higher (P\0.01) as compared to the negativecontrol. Moreover, the percentage inhibitions of threephases for 0.1, 0.2 and 0.4 mg/kg were higher than thevalues obtained for Aspirin (positive control). In formalintest, the percentage pain inhibition between 0 and 5 min(early phase) was 68.0, 25.5, and 75.5 % for 0.1, 0.2 and0.4 mg/kg intra-peritoneal doses of compound 1 respectively. In case of late phase (20–30 min) it was 63.0, 66.7and 48.1 %, respectively. In comparison to aspirin, overallpercentage inhibition of compound 1 was significantlyhigher in early and late phases. Interestingly, at all dosescompound 1 showed more potent anti-inflammatory effectsin terms of intensity and duration as compared to aspirin. The gross behavioral study of nepethalate B (1) was alsocarried out and the results revealed that it exhibited CNSdepression in the mice and showed a prominent decrease inlocomotor activity.