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Development of Biodegradable Thin Films for Efficient, Specific and Controlled Delivery of Anticancer Drugs

Thesis Info

Author

Irum Gul

Supervisor

Uzma Yunus

Institute

Allama Iqbal Open University

Institute Type

Public

City

Islamabad

Country

Pakistan

Thesis Completing Year

2019

Thesis Completion Status

Completed

Page

iv, 60.

Subject

Chemistry

Language

English

Other

Call No: 547.2 IRD; Publisher: Aiou

Added

2021-02-17 19:49:13

Modified

2023-01-06 19:20:37

ARI ID

1676709901638

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باب سوم: آبی وسائل کا مطالعہ

پانی کی اہمیت و افادیت

تعارف(Introduction)

عربی میں پانی "ماء"کہلاتاہے۔ پانی زندگی کے بنیادی مادہ کی حیثیت رکھتا ہےتما م مشروبات کا سردار ہے، کائنات کا اصلی اور حقیقی عنصر ہے۔ آسمان پانی کے بخارت سے بنائے گئے ہیں جبکہ زمین اس کی جھاگ سے پیدا گئی ہے۔ اللہ تعالیٰ ہر چیز کو پانی کے ذریعے زندہ رکھا ہے۔

کائنات چار ارکان کا مرکب ہے جن میں ایک پانی ہے۔ جیساکہ علامہ الجاحظ ؒ لکھتے ہیں:

"الأركان الأربعة، التي هي الماء والأرض والهواء والنار"[1]

امام ابن قیم ؒ رقمطراز ہیں:

"مَاءٌ: مَادَّةُ الْحَيَاةِ، وَسَيِّدُ الشَّرَابِ، وَأَحَدُ أَرْكَانِ الْعَالَمِ، بَلْ رُكْنُهُ الْأَصْلِيُّ، فَإِنَّ السَّمَاوَاتِ خُلِقَتْ مِنْ بُخَارِهِ، وَالْأَرْضَ مِنْ زَبَدِهِ، وَقَدْ جَعَلَ اللَّهُ مِنْهُ كُلَّ شَيْءٍ حَيٍّ"[2]

مذکورہ عبارت سے صراحت ہوتی ہے، پانی مادہ حیات ہے جو آسمان، زمین اور ہر زندہ چیز کی تخلیق میں بنیادی حیثیت کا حامل قدرتی وسیلہ ہے۔

انسائیکلوپیڈیا آف بریٹانیکا میں ہے:

“Water, a substance composed of the chemical elements hydrogen and oxygen and existing in gaseous, liquid, and solid states. Water is one of the most plentiful and essential of compounds .”[3]

انسائیکلوپیڈیا آف ریلیجن کا مقا لہ نگار لکھتا ہے:

“Water is essential for man’s life ;it ensures his nourishment by fertilizing the land. It is more than nourishment ,since it is the source of nourishment.”[4]

آکسفورڈ انگلش ڈکشنری کے مطابق پانی (water) :         

“The liquid of which seas, lakes, and rivers are composed ,and which as rains and issues from springs. When pure , it is transparent...

Elimination of Poverty Through Islamic System of Sadaqaat: Research Study

Islam is a complete code of life. Economic teachings of Holy Qur’an and Hazrat Muhammadﷺ are comprehensive. Allah Almighty guides us how to spend money in His way. There are two types of Sadaqaat. Sadaqaat-e-Wajibah are compulsory on wealthy people with certain ratio while Sadaqaat-e-Nafilah are optional. Holy Prophetﷺ encouraged his followers to help the needy. Eradication of poverty is the main goal of Islamic system of Sadaqaat. In this research paper an analytical study is made to know how economic issues of the poor are addressed by Islamic economic system. There is dire need to understand different kinds of Sadaqaat. If the government and the public feel their responsibilities and follow Islam, poverty can be eliminated from society. This article addresses the problems of poverty. Moreover, it is also told how the poor should be looked after. Key words: Holy Qur’an, Holy Prophet ﷺ, Economy, Sadaqaat, Poverty.

A Comparative Study of Contractual and Regular Teachers’ Professional Attitude Towards Job Satisfaction and Job Performance

The main purpose of this study was to determine the relationship among professional attitude of teachers, their job satisfaction and job performance and their comparison between regular and contractual teachers in Pakistan. The study was delimited to the contractual (SSEs) and regular (SSTs) teachers and head teachers of government secondary schools of Punjab province, the most populated province of Pakistan. It was carrying mixed-methods research approach i.e. data were qualitative and quantitative. For the qualitative data, an interview protocol was designed for the executives i.e. DPIs, Addl. DPIs, EDOs and DEOs. Some open-ended questions were also included in the questionnaire to collect the qualitative data of the study. The quantitative data were collected from a sample of 332 regular teachers, 313 contractual teachers and 645 head teachers of secondary schools through developing three questionnaires on five point rating scales; two for the teachers (to measure their professional attitude and job satisfaction) and one for the head teachers (to rate teachers job performance). The instruments were duly validated through expert opinions and the reliability was established through pilot study on a small sample in two districts Kasur and Lahore. The reliability of the final questionnaires was established at .784, .780 and .944 for professional attitude, job satisfaction and job performance respectively. The quantitative data of the two questionnaires were analyzed on the basis of mean, standard deviation, Independent Samples t-test (Levene’s test and 2-tailed t-test) and Pearson Correlation. Qualitative data were analyzed by converting raw data into frequencies and placing in identical categories of responses. Results were presented in tables and with frequencies and the opinion of respondents was calculated in percentage to draw the inferences. The key findings of the study revealed that professional attitude of teachers had positive relationship with job satisfaction and job performance; job satisfaction of teachers had positive relationship with their job performance. Professional attitude in combination with Job Satisfaction appeared to have more significant positive relationship with job performance. Regular SSTs teachers had better professional attitude, job satisfaction and job performance level than contractual SSEs teachers; female teachers had relatively better professional attitude, job satisfaction and job performance level than male teachers and urban teachers had more positive professional attitude, job satisfaction and job performance level than rural teachers. Majority of the teachers liked their children or relatives to join teaching profession; although they showed dissatisfaction with the existing pay scale and financial package for teachers and suggested for recruitment of teachers on regular basis. Most of the head teachers disagreed that teachers should be recruited on contract basis. They thought that contractual teachers do not perform well due to their low salary package and unsecured job. The educational managers i.e. EDOs, DEOs, DPI and Addl. DPI were of the view that regular (SSTs), female and urban teachers have more positive attitude towards teaching profession, better job satisfaction and job performance than their contractual (SSEs), male and rural teachers counterparts.