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Distribution of Agrobacterium tumefaciens Biovars in Jordan and Variation of Virulence
Fouad Al-Momani,Sami Albasheer,Ismail Saadoun 한국식물병리학회 2006 Plant Pathology Journal Vol.22 No.4
recovered from 68 samples (51 plant tumor and 17 soil) that were collected from different habitats in Northern Jordan. The isolated cultures were grouped into 3 biovars based on their biochemical characteristics and biovar I, II, and III comprised a total number of 46, 41, and 22 isolates, respectively. Isolates of biovar I were obtained primarily from the diseased peach, oak and rose plants, whereas isolates of biovar II and III were obtained mostly from apple and grape plants, respectively. Twenty-nine isolates were found to be virulent to at least one of the tested hosts such as carrots, chickpeas, garden peas and tomato plants with a response of tumor formation or tumor with roots induction. Our result suggested that A. tumefaciens strains from tumor of various plants and soil of Jordan were diverse and they have a variation in their virulence.
Distribution of Agrobacterium tumefaciens Biovars in Jordan and Variation of Virulence
Al-Momani, Fouad,Albasheer, Sami,Saadoun, Ismail The Korean Society of Plant Pathology 2006 Plant Pathology Journal Vol.22 No.4
One hundred and nine Agrobacterium isolates were recovered from 68 samples(51 plant tumor and 17 soil) that were collected from different habitats in Northern Jordan. The isolated cultures were grouped into 3 biovars based on their biochemical characteristics and biovar I, II, and III comprised a total number of 46, 41, and 22 isolates, respectively. Isolates of biovar I were obtained primarily from the diseased peach, oak and rose plants, whereas isolates of biovar II and ill were obtained mostly from apple and grape plants, respectively. Twenty-nine isolates were found to be virulent to at least one of the tested hosts such as carrots, chickpeas, garden peas and tomato plants with a response of tumor formation or tumor with roots induction. Our result suggested that A. tumefaciens strains from tumor of various plants and soil of Jordan were diverse and they have a variation in their virulence.
AN ALGORITHM FOR THE NUMERICAL SOLUTION OF DIFFERENTIAL EQUATIONS OF FRACTIONAL ORDER
Odibat, Zaid M.,Momani, Shaher Korean Society of Computational and Applied Mathem 2008 Journal of applied mathematics & informatics Vol.26 No.1
We present and discuss an algorithm for the numerical solution of initial value problems of the form $D_*^\alpha$y(t) = f(t, y(t)), y(0) = y0, where $D_*^\alpha$y is the derivative of y of order $\alpha$ in the sense of Caputo and 0<${\alpha}{\leq}1$. The algorithm is based on the fractional Euler's method which can be seen as a generalization of the classical Euler's method. Numerical examples are given and the results show that the present algorithm is very effective and convenient.
An algorithm for the numerical solution of differential equationsof fractional order
Zaid M. Odibat,Shaher Momani 한국전산응용수학회 2008 Journal of applied mathematics & informatics Vol.26 No.1
We present and discuss an algorithm for the numerical solution of initial value problems of the form D y(t) = f(t, y(t)), y(0) = y0, where D y is the derivative of y of order in the sense of Caputo and 0 < 1. The algorithm is based on the fractional Euler’s method which can be seen as a generalization of the classical Euler’s method. Numerical examples are given and the results show that the present algorithm is very effective and convenient. We present and discuss an algorithm for the numerical solution of initial value problems of the form D y(t) = f(t, y(t)), y(0) = y0, where D y is the derivative of y of order in the sense of Caputo and 0 < 1. The algorithm is based on the fractional Euler’s method which can be seen as a generalization of the classical Euler’s method. Numerical examples are given and the results show that the present algorithm is very effective and convenient.
DC Motor Speed Control via FoPID-Controllers
Iqbal M. Batiha,Shaher Momani,Radwan M. Batyha,Iqbal H. Jebril,Duha Abu Judeh,Jamal Oudetallah 한국지능시스템학회 2024 INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGE Vol.24 No.1
This work aims to propose several designs for controlling the DC motor speed of a car. Suchmotor is broadly used in numerous applications like blowers, lathe machines, cranes, elevators,milling machines, fans, drilling rigs, etc. For achieving our aim, two optimization algorithms(Particle Swarm Optimization (PSO) and Bacterial Foraging Optimization (BFO)) will beexecuted to adjust the proposed controllers’ parameters. Accordingly, four Fractional-orderPID controllers (FoPID-controllers) will be formed in agreement with two types of schemes(Outstaloup’s and Continued Fraction Expansion (CFE) schemes), which will be used toapproximate the yielded Laplacian operators s±α, where 0 < α < 1.
An Effect of Letrozole on Gastric Cancer?
Hadi, Ahmed E.L.,Al-Momani, Hazem,Edwards, Paul The Korean Gastric Cancer Association 2011 Journal of gastric cancer Vol.11 No.3
Letrozole is a drug used in the treatment of postmenopausal women with breast and ovarian tumours. There is no evidence in the literature indicating its use in treating gastric cancer. We present a 68 year old lady admitted from the emergency department with weight loss, malaise and anaemia. Investigations confirmed the presence of two different primary tumours in the left breast and the stomach. Following that this patient with oestrogen receptor positive breast cancer and oestrogen receptor negative gastric cancer was treated with letrozole for her breast cancer followed by a gastric resection. Independent histology by two pathologists pre-operatively diagnosed gastric adenocarcinoma. Post-operatively, independent analysis of the resected stomach, omentum and lymph nodes revealed no evidence of gastric cancer. Therefore we conclude that there is a possibility of letrozole having an effect on gastric cancer. Further studies are needed.
An Effect of Letrozole on Gastric Cancer?
Ahmed EL Hadi,Hazem AL-Momani,Paul Edwards 대한위암학회 2011 Journal of gastric cancer Vol.11 No.3
Letrozole is a drug used in the treatment of postmenopausal women with breast and ovarian tumours. There is no evidence in the literature indicating its use in treating gastric cancer. We present a 68 year old lady admitted from the emergency department with weight loss, malaise and anaemia. Investigations confirmed the presence of two different primary tumours in the left breast and the stomach. Following that this patient with oestrogen receptor positive breast cancer and oestrogen receptor negative gastric cancer was treated with letrozole for her breast cancer followed by a gastric resection. Independent histology by two pathologists pre-operatively diagnosed gastric adenocarcinoma. Post-operatively, independent analysis of the resected stomach, omentum and lymph nodes revealed no evidence of gastric cancer. Therefore we conclude that there is a possibility of letrozole having an effect on gastric cancer. Further studies are needed.