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ڈاکٹر عبدالرب عرفان

آہ ڈاکٹر عبدالرّب عرفان!
قارئین معارف کو یہ سن کر بڑا افسوس ہوگا کہ ڈاکٹر عبدالرب عرفان ۳۰؍ اپریل کو انتقال کرگئے، وہ معارف کے بڑے قدر دانوں اور خاص مضمون نگار اور دارالمصنفین شبلی اکیڈمی سے گہرا تعلق رکھتے تھے، اردو، فارسی کے عالم اور ان زبانوں کی ادبیات کی تاریخ سے اچھی واقفیت رکھتے تھے، ہندوستان کے عہد اسلامی کی تاریخ پر ان کی نظر تھی، اس عہد کے سلاطین و مشائخ اور علماء و فضلاء کے حالات و تراجم سے ان کو بڑی دلچسپی تھی اور اس پر ان کے مضامین ملک کے بلند پایہ رسالوں میں شائع ہوتے تھے مگر معارف پر ان کی نظر عنایت زیادہ تھی۔ اس شمارے میں بھی ان کا ایک مضمون شامل ہے اور ابھی دو ایک اور مضامین میری فائل میں ہوں گے۔
میری ان کی ملاقات کبھی نہیں ہوئی مگر خط و کتابت رہتی تھی، ان کے خطوط سے اندازہ ہوتا تھا کہ ان کے دل میں میری کتنی قدر و محبت اور معارف سے ان کو کیسا والہانہ لگاؤ تھا۔ مجھے ان کے حالات زندگی سے کوئی واقفیت نہیں تھی ان کے ایک ہم وطن جناب فیروز حیدری کے خط سے معلوم ہوا کہ انہوں نے کامٹی کے ایم۔ایم ربانی ہائی اسکول سے میٹرک کا امتحان امتیازی نمبر سے پاس کیا تھا۔ اور مارس کالج ناگپور سے بی۔اے کیا تھا۔ پھر فارسی زبان و ادب میں ایم۔اے میں امتیازی نمبر ہی نہیں بلکہ گولڈ میڈل کے بھی حق دار قرار پائے تھے، ۱۹۶۱؁ء میں ودبھ مہاودیالیہ امراؤتی میں فارسی کے استاد کی حیثیت سے ان کا تقرر ہوا اور بہت جلد شعبہ فارسی کے صدر بنائے گئے، ۱۹۸۲؁ء میں ان کا تبادلہ ناگپور میں وسنت راؤناٹک گورنمنٹ انسٹی ٹیوٹ آف آرٹس اینڈ سوشل سائنسز (سابق مارس کالج) ہوگیا۔ ڈاکٹر عبدالرب عرفان طبعاً شریف، سادہ مزاج،...

Islamic Microfinance: An Overview and Prospects in Pakistan

This paper will highlight the significance importance of the Islamic microfinance working in Pakistan as well as across the world. In 2007, the Great economic damage the global economy of the world including United States, European Union as well as Asia, it made the researcher to study about the alternate system in the replacement of Conventional Financial System, after that study and research they recognized that there is no concept of interest in Islamic Financial System, it is totally based on asset-based system, this recognition shift their area of interest from conventional financial system to Islamic financial system. Islamic financialSystem plays a significant role in economic growth of a country through accumulation of deposits and providing the plate form of financing to speed up economic activities. In the last two decades, the traditional microfinance is replaced by the Islamic microfinance in Pakistan as well as in the whole world. This paper will highlight the working methodology of Islamic microfinance models and institutions that how these Islamic microfinance institutions working asan interest free sector in Pakistan and in the world. The paper is also highlighting the difference between conventional micro financing and Islamic micro financing that what are the models and functions that differs the Islamic micro financing from the traditional micro financing.

Synthesis and Characterization of Homo and Amphiphilic Block Copolymers of Poly 2-Vinylpyridine Stabilized Metallic Nonoparticles

This Ph. D. dissertation deals with the synthesis of metallic nanoparticles with P2VP homo- and block copolymers (BCP) as stabilizing agent, their characterization, and applications. As a summary of the research conducted during the course of Ph. D., a series of homopolymers of poly(2-vinylpyridine) and amphiphilic block copolymers of poly(2-vinylpyridine), includingpoly(2-vinylpyridine)-block-poly(methyl methacrylate) andpolystyrene-blockpoly(2-vinylpyridine) were used to stabilize metallic nanoparticles (gold and silver). Polymers containing pyridine moiety have been utilized as a stabilizing agent for the metallic nanoparticles. Among them poly(2-vinylpyridine) (P2VP) is the excellent candidates because nitrogen atoms of the pyridine moiety have a strong affinity for the metal ions and metallic nanoparticles that restrains the aggregation of the metal nanoparticles through steric stabilization. Furthermore, P2VP prompts the reaction at ambient temperature and reduction of the particle size with the increase in its molar mass. AuNPs stabilized by P2VP ligands were designed to offer atomic level control and an efficient scale-up production through control of the molar mass of P2VP. Molar mass of the P2VP has enormous effect on the stabilization, size and size distribution of AuNPs. The reducing activity of P2VP increased with the increase in its molar mass. The P2VP stabilized AuNPs are evaluated for their stability and applications using UV-visible spectrophotometry, FTIR, DLS and AFM. Moreover, the drug encapsulation efficiency of P2VP-stablized AuNPs increased with the molar mass of P2VP. P(S-VP)-AgNPs were used as nanosensor for the rapid quantitative assay of pesticide, cartap. P(S-VP)-AgNPs and its interaction with cartap was studied using UV-visible spectroscopy, FTIR, zetasizer and AFM. The synthesized nanosensor is selective towards cartap in the presence of other interfering pesticides in real samples. The LoD of the nanosensor for cartap is far below already reported sensors for cartap. Furthermore, P(2VP-MMA)-AuNPs modified GCE electrode was used as a novel electrochemical sensor for nicotine. It was found that sensitivity of bare GCE is significantly enhanced by coating with P(2VP-MMA)-AuNPs. The P(2VP-MMA)AuNPs modified GCE is more sensitive towards nicotine and gave more intense electrochemical response with reference to bare GCE. In addition, the morphology of P(2VP-MMA) copolymer thin films was studied using AFM. It was observed that both P2VP and PMMA block lengths, total molar mass of block copolymer, solvent used for casting, and substrate play an important role in the morphology of block copolymer thin film. Gold nanoparticles incorporated with the polymer are completely shielded by P2VP chains and influenced the morphology of block copolymer organization by enlarging the polymer domain. Furthermore, surface roughness and thickness increased with the increase in molar mass of the block copolymers.
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