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Home > Influence of Transformational Leadership on Proactive Work Behavior [Ms in Business and Economics]

Influence of Transformational Leadership on Proactive Work Behavior [Ms in Business and Economics]

Thesis Info

Author

Ali Javed

Department

UMT. School of Business and Economics

Program

MS

Institute

University of Management and Technology

Institute Type

Private

City

Lahore

Province

Punjab

Country

Pakistan

Thesis Completing Year

2017

Thesis Completion Status

Completed

Page

86 . CD

Subject

Management & Auxiliary Services

Language

English

Other

; Call No: TP 658.3 ALI-I

Added

2021-02-17 19:49:13

Modified

2023-01-06 19:20:37

ARI ID

1676713672103

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دکھاں دی پنڈ ہوئی تیار

دُکھّاں دی پنڈ ہوئی تیار
کھول کے ویکھیں اس نوں یار
جیہڑے ہار عشق وچ جاندے
بن دے اوہ پھلاں دے ہار
کر مزدوری داج بناوے
ہر دم پیو نوں ایہو کار
گھر دا کھانا پج دا مینوں
سکی روٹی نال اچار
ہاہ غریب دکھی دی یارو
ہوندی فرشوں عرشوں پار
نویں پاکستان دا نعرہ
ویکھو تیل تے تیل دی دھار
دل دا گھر نہیں وسن دیندا
سپ حرص دا پہلے مار
بھکھ، بیماری غربت اندر
پچھی نہ سجناں نے سار
ویکھ غریب بچے تے بیوہ
کیتا سیٹھاں بند ادھار

Concept of Islamic Leadership in Syed Muhammad Naquib Al-Attas’s Philosophy

Islamic leadership is defined as a divine trust (amanah) from Allah, based on the Tauhidic paradigm of oneness of Allah that is focusing to serve HIM as HIS servant, while at the same time be the servant of Allah, perform the role of Khalefah (vicegerent) of Allah fully adheres to the Sunnah central to Islamic personality, characteristics and aklaq (Islamic moral and ethical) that was exemplified by the prophet (s.a.w), leading followers to the organization goals and to the straight path of the success in the Hereafter. It is based on this adopted definition that the paper tries to look into the notion from perspective of a Malaysian Muslim Philosopher to the core, Syed Muhammad Naquib Al-Attas, who believes in delivering amanah given to him, and at the same time perform the role of vicegerent of Allah. He suggests that lack of good leaders or rise of unqualified and false ones is one of the major problems of Ummah. Content analysis approach is engaged on both primary and secondary data collected. That is to say, it is a qualitative research in nature. The finding shows that the basis of Al-Attas’s concept of leadership is entrenched in Al-Qur’an and the tradition of the prophet in addition to his deep understanding on the Islamic Sciences such as Islamic theology, philosophy, and metaphysis and so on.

Development, Characterization and In-Vivo Evaluation of Pharmaceutical Cocrystals

Background: Oral drug delivery is a great challenge for poorly water soluble drugs. In the past various techniques have been adopted to improve the solubility of lipophilic drugs. Major problem associated with oral drug delivery system is poor bioavailability that is attributed to low solubility and permeability. A pharmaceutical cocrystal is one of the recent techniques for the modification of various pharmaceutical parameters of drugs such as solubility, stability, dissolution and bioavailability. Various cocrystal formers i.e., citric acid, benzoic acid, glutaric acid, glycolic acid, tartaric acid and nicotinamide etc. have been utilized for this purpose. Glipizide belongs to second generation sulphonylureas have low solubility and high permeability. Efforts have been made for solubility enhancement of glipizide through various techniques. However, cocrystalization is another emerging technique for solubility enhancement of BCS-II class drug glipizide. Objective of study: The aim of present work was to develop pharmaceutical cocrystals for solubility enhancement of glipizide using citric acid, nicotinamide, glutaric acid and glycolic acid as a coformer. Statement of novelty: Pharmaceutical cocrystalization technique has adopted in this work for solubility enhancement of poorly water soluble drug, glipizide. So, novelty lies in the synthesis of glipizide cocrystals using different coformers and techniques for improvement of solubility, dissolution as well as in-vivo performance of drug. Methodology: Cocrystals were prepared by four reported methods i.e., solid state grinding, liquid assisted grinding, slurry and solvent evaporation. The effect of formulation parameters such as coformer type, ratio of coformer used as well as type of method employed was studied on solubility and drug release. On the basis of invitro drug release and solubility studies, optimum formulations were selected for further characterization. Micromeritic studies were performed to determine the flow properties of synthesized cocrystals. Particle size was confirmed by optical microscopy and zeta sizer analysis. Fourier Transform Infrared Spectroscopy (FTIR), Powder X-ray Diffraction (PXRD), Differential Scanning Calorimetry (DSC), Thermo-gravimetric analysis (TGA) and Scanning Electron Microscopy (SEM) were performed for structural analysis, crystallinity, thermal stability and surface Page XXII morphology determination, respectively. In-vivo studies of optimum formulations i.e., glipizide-citric acid (GPZ-CA) and glipizide-nicotinamide (GPZ-NICO) cocrystals were conducted to determine the pharmacokinetic profile of glipizide. Statistical analysis was also performed through univariate analysis of variance (UANOVA) at 5% level of significance (p-value) to determine the significance of results. Results: GPZ-CA, GPZ-NICO, GPZ-GLU and GPZ-GLY cocrystals were synthesized successfully. Solubility of glipizide was significantly enhanced by cocrystals in water as well as in buffers of pH 1.2 and pH 6.8. Solubility of GPZ-CA cocrystals in distilled water was found 54.75 folds and 55.75 folds from F1 and F8 formulations, respectively. Optimum formulations of GPZ-NICO cocrystals showed 69.5 folds (F2) and 73 folds (F6) increase in water solubility. GPZ-GLU cocrystals showed 53 folds and 54.27 folds improved solubility in distilled water from optimum formulations F3 and F7, respectively. However, solubility enhancement in case of GPZ-GLY cocrystals was found as 52 folds (F4) and 53 folds (F8) from optimum formulations as compared to pure drug. All formulated cocrystals were having good flow properties as confirmed by micromeritic analysis. Optical microscopy and zeta sizer confirmed the particle size of cocrystals in micrometric to nanometric range. SEM revealed variable surface morphology of cocrystals. Presence of glipizide in the form of white steaks on cocrytals was confirmed by SEM. FTIR analysis confirmed the formation of cocrystals. Thermal stability was confirmed by thermal analysis of formulations. Crystalline nature of formulated cocrystals was confirmed by PXRD. Release of glipizide from prepared cocrystals was found to be higher when compared to conventional glipizide. However, maximum drug release was observed at pH 6.8 than pH 1.2 from all formulations. In-vivo studies presented higherCmax and improved pharmacokinetic parameters i.e., AUC(0-24), AUMC(0-24) and shortened Tmax as compared to glipizide in the form of powder. Conclusion: Hence, it was concluded that cocrystals could pave the way for development of an improved design strategy to overcome the solubility and dissolution problems associated with BCS-II class drugs.