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Disabled children study of educational and Behaviour of

Thesis Info

Author

Tariq Butt

Department

Department of Special Education

Institute

University of Karachi

City

Karachi

Province

Sindh

Country

Pakistan

Thesis Completing Year

1990

Subject

Special Education

Language

English

Added

2021-02-17 19:49:13

Modified

2023-01-06 19:20:37

ARI ID

1676728423782

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ورفعنا لک ذکرک

ورفعنا لک ذکرک
نصیر احمد اخترؔ
نعت وہ لفظ ہے جو اردو ادب میںمحبوبِؐ خدا کی توصیف و ثنا کے لیے مختص ہے۔
نعت کے سلسلے میں پروفیسر ریاض احمد قادر ی کے خوب صورت الفاظ ہیں :
’’نعتِ رسولِؐ مقبول درود شریف کی شعری صورت ہے۔‘‘
نعت کے بارے میں ممتاز حسین کی رائے یوں ہے:
’’ہر وہ شے نعت ہے جس کا تاثر ہمیں حضورِ ؐرحمۃ للعالمیں کی ذات گرامی سے قریب لائے‘‘
’’ورفعناکی صدا ‘‘ میں اس عظیم ہستی کے اوصافِ حمیدہ بیان کیے گئے ہیں جن کی توصیف میںخود ربِ کائنات نے فرمایا’’ورفعنا لک ذکرک‘‘۔محبوبؐ خدا کا ذکر،چاہے درود کی صورت میں ہو یا نعت کی ،دراصل ورفعنالک ذکرک کی تفصیل ہے ۔
نعت کسبی نہیں وہبی ہے۔نعت کا شعر اس وقت ہی زبان کو معطر کرتا ہے جب دل حبِ مصطفیؐ سے لبریز ہو۔محمد عرفان علی خوش نصیب ہیں کہ ان کا نام بھی مقصودِ کائنات کے ثناخواں اور ثنا گو کی فہرست میں شامل ہے۔ خوب صورت شخصیت کے مالک ،عشقِ مصطفیؐ سے مالا مال ہیں۔نعت کی سعادت خدا کی خاص عطا ہے۔ اس لطف و کرم کے بارے میں محترم طالب حسین کوثری نے کہا ہے۔
ہر سخنور کو کہاں ہوتی ہے توفیقِ ثنا
ہاں مگر جس پر خصوصی ہو نِگاہِ مصطفیؐ
نعت کے لوازمات میں سے محبوبِؐ خدا سے والہانہ محبت بنیادی حیثیت رکھتی ہے۔جو شاعر جتنارسول ؐ خدا کی محبت سے سرشار ہو گا۔اس کے کلام میں اتنا ہی سرور و کیف زیادہ ہو گا۔جناب محمدعرفانؔ علی کی نعتوں میں جو کیف و سرور نظر آرہا ہے وہ محبت ِمصطفیؐ کا ہی ثمرہے۔ان کے دل میں آپؐ سے والہانہ محبت کا جذبہ پوری آب و تاب سے کار فرما ہے ۔یہ خاص نعمت ایک تو خدا کی دین ہے دوسرا ان کے والدِ محترم محمد حسین صاحب بھی...

PENERAPAN TEORI KONSTRUKTIVIS DALAM PEMBELAJARAN

Constructivism is the basis for thinking of a contextual approach, namely that knowledge is built not a set of facts, concepts, or rules that are ready to be remembered. Students must construct that knowledge and give meaning through real experience. Students need to be accustomed to solving problems, finding something useful for themselves, and struggling with ideas. The teacher will not be able to give all knowledge to students. Students must construct knowledge in their own minds. Knowledge is not static, but is constantly evolving and changing as students construct new experiences that force them to base themselves and modify previous knowledge. Learning must be packaged into the process of constructing knowledge rather than receiving knowledge. In the learning process, students build their own knowledge through active involvement in the learning and teaching process. Students become the center of activities, not teachers. Critical thinking is an attempt by someone to check the truth of information using the availability of evidence, logic, and awareness of bias. Critical thinking skills are the cognitive processes of students in analyzing systematically and specifically the problems faced, distinguishing these problems carefully and thoroughly, as well as identifying and reviewing information to plan problem solving strategies.

The Structural and Optical Studies of Process Modified 1-D Nanostructures for Potential Use in Biosensing Applications

Integration of functionalized and modified nanostructures (NSs) in various biomedical applications has ushered significant research interests in recent years. The use of functionalized NSs in medicine and biomedical applications are vast and spans in areas such as diagnostics, drug delivery, therapy, antibiotic creams, and bioimaging, to name a few. The current scenario appeals towards surface modification of NSs, which can respond to the needs of biological problems. The main objective of the present work compiled in this thesis is to establish the effect of surface processing of one-dimensional (1-D) NSs on its structural, optical and electrochemical properties as stand alone and in a given biological media. The surface modifications of 1-D NS is performed by forming composites with metallic nanoparticles (NPs) and by post growth processing in a reduced and an oxidizing environment. Two different families of 1-D nanostructures were studied, one belonged to carbon nanotubes and other to oxide nanostructures. In the first section, a comprehensive study of the nanohybrids formed by multiwalled carbon nanotubes (MWCNTs) and metallic Au and Ag-NPs is presented. Functionalization of both –COOH bond and Au-NPs on the walls of MWCNTs has induced stresses which were observed in the X-ray diffraction patterns. The diffusion of Au-NPs in the MWCNTs was clearly observed in the high resolution TEM images, which affected the D and G Raman bands of the MWCNTs significantly. E. coli attachment has modified the local charge densities of Au-NPs-MWCNTs nanohybrids which resulted in the shift of both G and D Raman bands and increased intensity ratio of two bands. This was also reflected in the blue shift of the surface plasmon modes of the Au nanoparticles attached to MWCNTs. It was also revealed that the concentration of Ag-NPs was very vital for the antibacterial activity enhancement in Ag-NPs-MWCNTs nanohybrids. The minimal inhibitory concentration (0.5 mg/ml MWCNTs and 17.5 mg/ml Ag) of Ag-NPs-MWCNTs conjugate was also determined. The charge transfer kinetics of metallic-NPs-MWCNTs nanohybrids were also characterized by modifying the surface of glassy carbon electrode (GCE) by nanohybrids. Both the potential sweep and impedance spectroscopy demonstrated that the diffusion controlled processes were involved at the surface of modified GCE. In addition, it was revealed that the nature of the processes at the surface of nanohybrids modified GCE were quasi-reversible. The highest rate constant of 0.12 s-1 was determined as the concentration of xii Au-NPs was increased in Au-NPs-MWCNTs modified GCE. Conversely, a decreased rate constant of 0.07 s-1 was observed as the concentration of Ag-NPs on the surface of Ag-NPs- MWCNTs modified GCE increased. This suggested that the Au-NPs incorporation at higher concentration in nanohybrids have facilitated fast charge transfer mechanism and slow for Ag- NPs. Finally, nanohybrids modified GCE employed in E. coli surroundings proved that the nanohybrids were efficient for the simultaneous detection of E. coli. In second section, the effect of surface modifications of 1-D ZnO-NSs grown by the vapor–solid mechanism on its antibacterial activity was highlighted. Two sets of ZnO NSs were modified separately; first by annealing in Ar environment and second in oxygen plasma processing. Annealing in Ar resulted in a compressed lattice, which was due to removal of Zn interstitials and increased O vacancies. Plasma oxidation of the ZnO-NSs caused an expansion in the lattice due to the removal of O vacancies and incorporation of excess O, confirmed by X-ray diffraction patterns. Photoluminescence spectroscopy confirmed the surface modification of ZnO-NS, as substantial variation in intensities of visible band was observed as a result of surface modifications, which were used to quantify the Zn and O defects. The antibacterial activity of the modified ZnO-NSs demonstrated that the surface modifications by Ar annealing limited the antibacterial characteristics of ZnO-NSs against Staphylococcus aureus (S. aureus). It was then proved that the O content at the surface of the ZnO-NSs was crucial to tune the antibacterial activity against both selected gram-negative (E. coli) and gram-positive (S. aureus) bacterial species.