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Small nodule detection for early stage lung Cancer using CT images

Thesis Info

Author

Zuhaib Musaddiq

Supervisor

Ayyaz Hussain

Department

Department of Computer Science and Software Engineering

Program

MS

Institute

International Islamic University

Institute Type

Public

City

Islamabad

Province

Islamabad

Country

Pakistan

Thesis Completing Year

2017

Thesis Completion Status

Completed

Page

xiv, 62

Subject

Computer Science

Language

English

Other

MS 616.07572 ZUE

Added

2021-02-17 19:49:13

Modified

2023-01-06 19:20:37

ARI ID

1676724148278

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بیٹھے تے ساں راہواں مل

بیٹھے تے ساں راہاں مل
یار نہ آیا ساڈے ول
جھوٹے دا سنگ چھڈ دے توں
کچھ تاں کر انصاف دی گل
ایہہ تاں جانے پاک خدا
چنگی اج ہے یا ہے کل
عشقے پاگل کیتا اے
کر کوئی یار اساڈا حل

قیام امن میں حضرت عثمان کا کردار: تاریخی و تجزیاتی مطالعہ

Nowadays the entire world, particularly the Islamic countries, are suffering from a state of anxiety and insecurity due to terrorism. The terrorists are destroying peace of the world for the sake of their personal interests. They affiliate their terrorist activities with Islām, while Islām condemns not only terrorism, but also the violation of the country law. Islām is the religion of peace. Allāh, peace of title the with (صلى الله عليه وسلم) Muhammad Prophet His sent Almighty and granted him the name of religion as Islām. The Holy Prophet in harmony and peace of facade the build to life his all spent (صلى الله عليه وسلم) the society. His companions also exhibited human loving nature and. (صلى الله عليه وسلم) Prophet Holy the by them to provided roadmap the followed Ḥaḍrat Uthmān is one of those, who sacrificed themselves for the noble cause of peace. In this article, the remarkable efforts of Ḥaḍrat Uthmān for the maintainance of peace are highlighted. He was commited to peace even before Islām, and after accepting it, he played a vital role for the promotion and maintaince of peace. He the at (صلى الله عليه وسلم) prophet the of ambassador the as appointed was occasion of the Ḥudaybiyah Pact. Uthmān ruled a vast empire. Peace was a hallmark of his era. The evil plots against him surfaced only in the later years of his caliphate. These included objections regarding appointment and administration of the governers. He took every step to stop the disruption of peace, so much so, he did not allow the Muslims to fight for his defence, hence, sacrificed his life.

Isolation and Characterization of Cytolytic Protein Gene from Local Isolates of Bacillus Thuringiensis

Chemical insecticides are widely used to control the insects, these insecticides are not environmentally healthy as they are not biodegradeable and hence are biomagnified. These insecticides are also not host specific; they also kill the beneficial insects. So there is a need to search for a control agent which should not harm the environment and also to human beings. Several different methods have been used in recent past to control the insects which include use of pheromones for trapping or disruption of mating behavior, insect growth regulators that interfere with larval development, parasitoids, fungi, viruses and bacteria, which debilitate or cause death in the infected insect. One of the most successful biological control organisms is a naturally occurring bacterial pathogen, Bacillus thuringiensis generally known as B.t. Formulations based on B.t. have been used for decades as biological insecticides for agriculture and forestry, as well as for vector control against mosquitoes and black flies. Interest in B.t. proteins has increased during the last two decades because of their unique qualities which are unmatched by any conventional insecticide. Of the 297 genes known to encode B.t. proteins, some share a high degree of homology, while others have diverse nucleotide sequences. Because of the interest in B.t., the list of new B.t. subspecies is growing as is the group of economically important target insects. B.t. produces crystal proteins during sporulation. These crystal proteins are of two types Cry and Cyt. Both of these types of proteins are different in their mode of action. Cytolytic proteins have an additional property of having cytolytic activity against different cells and also against mammalian erythrocytes. These proteins especially Cyt proteins are active against mosquito larvae. Recent studies reported the development of resistance in mosquitoes against Cry toxins. Researchers tried different methods to overcome this resistance and they found that when Cyt proteins are used in combination with Cry proteins they greatly reduced the resistance of mosquitoes against B.t. toxins. This indicated that Cyt proteins work synergistically with Cry proteins. In the present study, soil samples collected from different areas of Lahore, Kasur and Faisalabad. A total of 50 soil samples were collected, these soils were rich in organic manure. B.t. like bacteria were isolated from these soil samples using differential medium containing sodium acetate buffer. These isolates were then subjected to biochemical characterization by performing biochemical tests. The expected B.t. like isolates were screened for the presence of cyt genes. After confirmation of presence of cyt 2B gene, mosquitocidal activity of these isolates were checked by using B.t. spores and total B.t. cell proteins against 3rd instar larvae. From the bioassays, it was found that NB B.t.4 was found to be most toxic with LC50 value of 400±1.15 μg/ml and 68±0.46 μg/ml for its spores and total cell protein, respectively. After bioassays, six most toxic B.t. isolates were then selected for further study. Ribotyping of these isolates was done to amplifying 16S rRNA gene to identify these isolates. Protein profile of these isolates was checked to confirm the presence of 29 kDa protein band. Full length cyt 2B gene was amplified, cloned in pTZ57RT cloning vector, and pET22b vector was used for expression. IPTG induction of 1 mM was found good for expression ranging incubation time of 4-6 hours. Expressed protein was then purified by anion exchange chromatography. Bioassays were performed using recombinant organism (E. coli transformed with cyt 2B gene), expressed crude protein and purified protein. It was found that the purified protein was most toxic with LC50 Value of 50±1.68 μg/ml.