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Exact Solution of Klein Gordon Equation via Homotopy Perturbation Sumudu Transform Method
Sundas Rubab,Jamshaid Ahmad,Muhammad Naeem 보안공학연구지원센터 2014 International Journal of Hybrid Information Techno Vol.7 No.6
We apply the proposed method (NHPSTM) which is the combination of new homotopy perturbation methodand Sumudu transform to solve analytical linear and nonlinear Klein-Gordon equations. The proposed method finds the solution without any discretization or restrictive assumptions and avoids the round-off errors. The fact that the proposed technique solves nonlinear problems without using Adomian’s polynomials can be considered as a clear advantage of this new method over the decomposition method. Obtained results reveal that the proposed method is very efficient, simple and can be applied to other nonlinear problems arising in mathematical physics and engineering.
Impact of Yield and Quality-Related Traits of Sugarcane on Sugar Recovery
Sundas Shahzad,Sajid Shokat,Naeem Fiaz,Amir Hameed 한국작물학회 2017 Journal of crop science and biotechnology Vol.20 No.1
Sugar recovery of Pakistani sugarcane varieties is relatively low as compared to the rest of the world while very little work is done on this aspect. The current study was conducted to tackle this issue and to assess the effect of quality and yielding traits on final sugar recovery. Sixty genotypes of sugarcane were sown during 2013 and data was collected at different growth stages during maturity and post maturity. Correlation studies indicated that polarity (0.77**) and purity (0.73**) were positively and significantly correlated with sugar recovery while brix% (-0.21**), fiber contents (-0.21**) and number of leaves per plant (-0.33**) were significant and negatively correlated with sugar recovery. Furthermore, leaf area was positively and significantly correlated with internode length (0.63**). Path coefficient analysis indicated that highest direct effect on sugar recovery was shown by purity (2.92), followed by brix% (2.48), and leaf area (0.66) which confirms that these traits could contribute more towards an increase of sugar recovery. Overall values of higher direct and indirect effects were observed by purity. The results of the current studies indicate that sugar recovery can be improved by focusing on purity, brix%, and leaf area.
Etiology of hepatocellular carcinoma and treatment through medicinal plants: a comprehensive review
Sundas Nasreen,Sobia Safeer,Kamaran Khurshid Dar,Saiqa Andleeb,Mubashir Ejaz,Muhammad Adeeb Khan,Shaukat Ali 경희대학교 융합한의과학연구소 2018 Oriental Pharmacy and Experimental Medicine Vol.18 No.3
Liver is a power house of the body for many components such as vitamins, minerals, iron and glycogen and play role in biotransformation. Some ingredients of our diet (foodstuff s may contain with afl atoxin B1, vinyl chloride, tobacco, heavy alcohol intake, fried meat, coff ee and oral contraceptives),when metabolized become tremendous for liver and leads toward hepatocellular carcinoma (HCC). HCC occurs through cyclical liver injury due to infl ammation and DNA damaging as a result of oxidative stress. Phytochemicals of medicinal plants have curative potential against liver cancer due to presence of linalool, eucalyptol, borneol, thujone, camphor, 4-terpineol, monoterpenes and α -cadinol, sophytotherapies have several advantages over conventional chemotherapies. According to literature survey Acanthus ilicifolius, Allium sativum, Artemisiaprinceps, Artemisia vulgaris, Amorphophallus campanulatus, Brucea javanica, Broussonetia luzonica, Dracocephalum kotschyi, Graptopetalum paraguayense, Nigella sativa, Petasites japonicas, Silybum marianum, Bergenia ciliata , Cassia fi stula and Picrorhiza scrophularilora have vital bioactive compounds used against hepatocellular carcinoma.
Kim, Sundae,Seomoon, Dong,Lee, Phil Ho Royal Society of Chemistry 2009 Chemical communications Vol.2009 No.14
<P>An organoindium generated from the reaction of indium with allenylmethyl bromide is an efficient nucleophile in Pd-catalyzed cross-couplings, producing 1,3-butadienes; cross-couplings followed by [4 + 2] cycloadditions gave six-membered carbocycles in a one-pot process.</P> <P>Graphic Abstract</P><P>An organoindium generated <I>in situ</I> from indium and allenylmethyl bromide is an efficient nucleophile in Pd-catalyzed cross-couplings, producing 2-substituted 1,3-butadienes in good to excellent yields. Cross-couplings followed by [4 + 2] cycloadditions gave six-membered carbocycles in a one-pot process. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=b823037d'> </P>
Kim, Sundae,Lee, Phil Ho WILEY-VCH Verlag 2008 Advanced synthesis & catalysis Vol.350 No.4
<P>Treatment of allenyne-1,6-diols with gold and silver catalysts selectively produced 2,5-dihydrofuran and furan derivatives, respectively, in good to excellent yields through the selective activation and differentiation of the double and triple bonds in allenyne-1,6-diols. It is noteworthy that the chemoselectivity is clearly switched by simply changing the metal from gold to silver.</P> <B>Graphic Abstract</B> <P> <img src='wiley_img/16154150-2008-350-4-ADSC200700471-content.gif' alt='wiley_img/16154150-2008-350-4-ADSC200700471-content'> </P>
장진의 희곡 「웰컴 투 동막골」의 선동적 사건과 액자구성
권순대(Kwon, Sundae) 중앙어문학회 2018 語文論集 Vol.73 No.-
이 글의 목적은 선동적 사건을 활용하여 장진의 희곡 「웰컴 투 동막골」을 분석하고 그 극적 특성을 밝히는 데 있다. 선동적 사건은 극이 시작하기 전에 발생한 사건으로, 플롯을 조직하는 데 있어 시간과 공간, 인물, 배열의 층위에서 고정점의 기능을 갖는다. 「웰컴 투 동막골」의 선동적 사건은 한 장의 사진으로 남아 있다. 그로 인해 작품은 사진의 진실을 추적하는 과정이 핵심적인 내용을 이루게 된다. 또한 선동적 사건의 특이성으로 인해 「웰컴 투 동막골」은 액자 구성의 형식을 갖게 되는데, 그것은 내화가 갖는 극적 통일성의 결여를 보충하기 위한 전략적 선택의 결과라고 할 수 있다. 따라서 해설자를 설정한 외화는 단지 부차적인 장식물에 그치는 것이 아니라 작품 전체를 유기적으로 조직하여 극적 완결성을 획득하는 기능을 갖는다. The purpose of this study was to analyze Jang Jin’s drama, Welcome to Dongmakgol, using an inciting incident to identify its dramatic characteristics. An inciting incident is an event that takes place before the drama begins. In organizing a plot, it functions as a fixed point in terms of the strata of time and space, characters, and order. The inciting incident of Welcome to Dongmakgol is a piece of a photograph, and the work is mainly about the process of tracing the truth of the photograph. Additionally, because of the characteristics of the inciting incident, Welcome to Dongmakgol is organized as a frame story. This is the result of a strategic choice to complement the absence of dramatic unification within the inner story. Accordingly, the outer story that the narrator sets up is not just an auxiliary decoration but works as a tool to organize the entire work organically and obtain dramatic completeness.
이가영,Sundas Munir,박수영 한국고분자학회 2018 Macromolecular Research Vol.26 No.12
Reactive boronic acid-functionalized carbon dots (rBA-CDs) for dopamine (DA) detection were prepared by solvothermal synthesis of CDs using lactose and diacrylate polyethylene glycol (DAPEG) and subsequent 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide coupling with 3-aminophenylboronic acid. The solidstate thin film of the DAPEG/rBA-CD composite was prepared on an acrylate-functionalized glass substrate by ultraviolet curing. The rBA-CD in the solid-state PEG thin film on the glass substrate showed excellent DA detection performance in the presence of small amounts of DA by fluorescence color change from blue to green when excited at 360 nm. The fluorescence intensity increased as the DA concentration increased, with a linear detection range of 0-40 μM and a limit of detection of 0.2 μM. The developed solid-state fluorescent sensor offered high selectivity for DA over other components (e.g., glucose, lactose, ascorbic acid, urea, and uric acid) in blood. Furthermore, real samples of human serum spiked with dopamine showed excellent recovery. Thus, the designed reactive rBA-CDs can be utilized as a DA biosensor on a solid substrate after their immobilization. Owing to their good water dispersity, fluorescence color change, and reactive nature, rBA-CDs may provide a new strategy for the naked eye detection of dopamine.