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iCBLS: An interactive case-based learning system for medical education
Ali, Maqbool,Han, Soyeon Caren,Bilal, Hafiz Syed Muhammad,Lee, Sungyoung,Kang, Matthew Jee Yun,Kang, Byeong Ho,Razzaq, Muhammad Asif,Amin, Muhammad Bilal Elsevier 2018 International journal of medical informatics Vol.109 No.-
<P><B>Abstract</B></P> <P>Medical students should be able to actively apply clinical reasoning skills to further their interpretative, diagnostic, and treatment skills in a non-obtrusive and scalable way. <I>Case-Based Learning</I> (CBL) approach has been receiving attention in medical education as it is a student-centered teaching methodology that exposes students to real-world scenarios that need to be solved using their reasoning skills and existing theoretical knowledge. In this paper, we propose an interactive CBL System, called iCBLS, which supports the development of collaborative clinical reasoning skills for medical students in an online environment. The iCBLS consists of three modules: (i) <I>system administration</I> (SA), (ii) <I>clinical case creation</I> (CCC) with an innovative semi-automatic approach, and (iii) <I>case formulation</I> (CF) through intervention of medical students’ and teachers’ knowledge. Two evaluations under the umbrella of the context/input/process/product (CIPP) model have been performed with a <I>Glycemia</I> study. The first focused on the system satisfaction, evaluated by 54 students. The latter aimed to evaluate the system effectiveness, simulated by 155 students. The results show a high success rate of 70% for students’ interaction, 76.4% for group learning, 72.8% for solo learning, and 74.6% for improved clinical skills.</P> <P><B>Highlights</B></P> <P> <UL> <LI> This study describes how to foster medical trainees’ collaborative learning skills with the support of online advanced learning technologies and real-world clinical cases. </LI> <LI> Designed and developed an <I>interactive Case-Based Learning System</I> (iCBLS) for practising clinical cases before and outside the class. </LI> <LI> The iCBLS supports an innovative method to create real-world clinical cases using a semi-automatic approach. </LI> <LI> Two types of evaluations under the umbrella of the CIPP model have been performed in heterogeneous environments with a <I>Glycemia</I> study. </LI> <LI> The iCBLS achieves a success rate of more than 70% for students’ interaction, group learning, solo learning, and improving clinical skills. </LI> </UL> </P>
Toxic potential of some indigenous plant oils against the rice weevil, Sitophilus oryzae (Linnaeus)
Hafiz Azhar Ali KHAN,Waseem AKRAM,이수미,Taskeen AHMAD,Kamran MAQSOOD,Hassan Ali KHAN,Muhammad Waqas NAZIR,Muhammad Faisal JAVAID 한국곤충학회 2019 Entomological Research Vol.49 No.3
The present study was conducted to evaluate the toxic potential of five indigenous plant oils: black pepper (Piper nigrum), Chinese cinnamon (Cinnamomum cassia), garlic (Allium sativum), river red gum (Eucalyptus camaldulensis), and yellow oleander (Thevetia peruviana), against laboratory reared Sitophilus oryzae adults. The bioassays were done by the diet incorporation method with concentrations ranging from 50 ppm to 500 ppm. Based on lethal concentrations to kill 50% (LC50) of the subjected weevils, T. peruviana proved to be the most toxic having the lowest LC50 values, 414.58, 201.94, and 129.52 ppm, after 7, 14, and 21 days of exposure, respectively, followed by E. camaldulensis (475.51, 366.65, and 251.28 ppm, respectively). The rest of the plant oils also showed toxic potential, but these were less toxic compared with T. peruviana and E. camaldulensis. With respect to the time taken to cause 50% mortality (LT50) of the exposed weevils, T. peruviana had LT50 at 14.54 days followed by P. nigrum (22.09 days), E. camaldulensis (24.29 days), and C. cassia (28.71 days). Whereas, A. sativum took the longest time (44.47 days) to cause 50% mortality of the exposed weevils. In conclusion, the result revealed toxic potential of tested plant oils, and suggests further studies under simulated-field conditions should be included in the management plan for S. oryzae.
Muhammad Modassar Ali Nawaz Ranjha,Bakhtawar Shafique,Lufeng Wang,Shafeeqa Irfan,Muhammad Naeem Safdar,Mian Anjum Murtaza,Muhammad Nadeem,Shahid Mahmood,Ghulam Mueen-ud-Din,Hafiz Rehan Nadeem 경희대학교 융합한의과학연구소 2023 Oriental Pharmacy and Experimental Medicine Vol.23 No.1
Pomegranate (Punica granatum) acts as a therapeutic fruit possessing different bioactive compounds. Different compartments of pomegranate (P. granatum) like seed, peel, juice and leaves are rich in potential bioactive compounds. Pomegranate contains sinapyl, coniferyl, ellagic acid, cinnamic acid, genistein, linoleic acid, anthocyanin, gallic acid, catechin, quercetin, rutin, kaempferol, cyanidin, punicalin, delphinidin, punicalagin, chlorogenic acid, coumaric acid, luteolin and pelletierine alkaloids, flavonoids, anthocyanin and caffeic acid. Pomegranate also exhibits significant anti-oxidative, anti-hypertensive, cardioprotective and anti-diabetic properties and anti-carcinogenic possessions including prevention of prostate cancer; reduction in colon inflammation, prevention of skin tumorigenesis, improvement in renal function and reduction in metastatic melanoma growth. This review summarizes the current available data on the phytochemistry, bioavailability and therapeutic importance of potential bioactive compounds of pomegranate.
Muhammad, Hafiz Ali,Lee, Gilbong,Cho, Junhyun,Bhatti, Umair Hassan,Baik, Young-Jin,Lee, Beomjoon Elsevier 2019 Energy conversion and management Vol.195 No.-
<P><B>Abstract</B></P> <P>An innovative CO<SUB>2</SUB> pressurization system combined with supercritical CO<SUB>2</SUB> (sCO<SUB>2</SUB>) open power cycle is proposed in this study. The combined system reduced the power demand associated with CO<SUB>2</SUB> pressurization in the CO<SUB>2</SUB> capture and storage (CCS) process as well as utilized the captured CO<SUB>2</SUB> in a sCO<SUB>2</SUB> power cycle to generate power. As the first step, conventional multi-stage compression was complemented with CO<SUB>2</SUB> liquefaction and pumping to reduce the compression power. Later, a waste heat-powered recuperative sCO<SUB>2</SUB> power cycle was employed to generate additional electric power.</P> <P>The vapor compression cycle (VCC) was first modeled, validated, and explored for CO<SUB>2</SUB> liquefaction and pumping. Refrigerants R717, R134a, R290, and R32 were analyzed as the VCC working fluid. An initial thermodynamic analysis was performed to identify the most influential liquefaction parameters. Then, a genetic algorithm optimization module in MATLAB was used to minimize the overall power consumption in the VCC. The VCC was integrated with a sCO<SUB>2</SUB> cycle to utilize the high pressure CO<SUB>2</SUB>, and after optimizing the VCC, the performance of the sCO<SUB>2</SUB> cycle was evaluated. Results of our study revealed that integrating the sCO<SUB>2</SUB> cycle with a CO<SUB>2</SUB> liquefaction and pumping cycle reduced power consumption by 13.88% compared to conventional multi-stage compression. Finally, sensitivity analysis with respect to the crucial thermodynamic parameter was also performed.</P> <P><B>Highlights</B></P> <P> <UL> <LI> An innovative energy efficient CO<SUB>2</SUB> pressurization and utilization system is proposed. </LI> <LI> The proposed design involves a vapor compression cycle for CO<SUB>2</SUB> pressurization. </LI> <LI> sCO<SUB>2</SUB> power cycle is employed to reduce the power requirement for CO<SUB>2</SUB> pressurization. </LI> <LI> The integrated system results in 13.88% reduction of power consumption. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
Abdullah Muhammad,Alharbi Fatemah Farraj,Khosa Rabia Yasmin,Alburaih Huda A.,Manzoor Sumaira,Abid Abdul Ghafoor,Ali Haitham Elhosiny,Waheed Muhammad Suleman,Ansari Muhammad Numair,Farid Hafiz Muhammad 한국화학공학회 2023 Korean Journal of Chemical Engineering Vol.40 No.6
Manganese ferrite offers several advantages when employed as an electrocatalytic material for supercapacitors, including outstanding cycle stability and energy capacity. When compared to identical-metal sulfides, specific capacitance (Csp) of MnFe2O4 remains inadequate. So, using the hydrothermal synthesis technique, partial sulfur doping of MnFe2O4 was achieved to investigate the synergetic effect of oxides and sulfides. Various spectroscopic and microscopic studies demonstrate that adding sulfur atoms into MnFe2O4 increases the lattice parameters, which improves electrochemical performance. At a current density around 2 A g−1, then calculating MnFe2O4 with partial sulfur doping has a Csp of 1,201.60 F g−1, that is greater than 784.0 F g−1 of pure MnFe2O4. Maximum energy density (Ed) of 93.62 Wh kg−1 was produced with a power density (Pd) of 749 W kg−1. The current study depicts that partial sulfur doping can enhance the electrochemical behavior of MnFe2O4. As a result, the present work shows more effective in field of energy storage by enhancing their poor electrochemical performance.