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Search Results: 1 - 10 of 6178 matches for " Sara Wahab "
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Effect of Different Levels of Nitrogen on Yield of Colocasia (Colocasia esculenta) at District Malakand Dargai  [PDF]
Rafiq Ahmad, Dost Muhammad, Maria Mussarat, Shah Fahad, Shahid Ullah, Taimur Ahmad, Sara Wahab
Open Journal of Soil Science (OJSS) , 2018, DOI: 10.4236/ojss.2018.82007
Abstract: A field experiment was conducted to evaluate the response of colocasia (Colocasia esculenta) to different levels of 0, 60, 90, 120 and 150 kg N ha-1 under farmer’s field condition at Garhi Usmani Khel, District Malakand Dargai during 2013. The experiment was laid out in Randomized Complete Block design with three replications and treatment plot size of 2.74 × 2.43 m2. All levels of N in the form of urea along with uniform basal doze of 90 kg P2O5 ha-1 as Triple Super Phosphate (TSPPP) were applied to soil at time of seed bed followed by thorough mixing. Seeds of colocasia c.v. local variety were sown in these plots with row spacing of 30 cm and plant to plant distance of 12 cm in February, 2013. The results showed that application of N produced significantly higher colocasia tuber yield, number of tubers plant-1, 1000-tubers weight and size of tubers (mean length and diameter) over control but the differences among levels of N were nonsignificant. However, some parameters like tuber yield was maximum at 60 kg N ha-1 and tuber size especially the length of colocasia tuber was maximum at 150 kg N ha-1 suggesting that the response of each parameter was different to N levels. Based on maximum relative yield (100%) and increase over control (46.1%) still at lower N levels of 60 kg N ha-1, this level seems to be appropriate level for colocasia under the prevailing soil and climatic conditions.
Accuracy of Sentinel Lymph Node Biopsy after Neoadjuvant Chemotherapy in Breast Cancer Patients; Single Center Experience  [PDF]
Waleed Elnahas, Omar Hamdy, Khaled Abdel Wahab, Sameh Roshdy, Sara Raafat, Mohamed Hafez, Omar Farouk, Mohamed Elmetwally
Surgical Science (SS) , 2018, DOI: 10.4236/ss.2018.91006
Abstract: Purpose: Most important factor affecting prognosis of breast cancer is axillary nodal involvement. Several studies evaluated the accuracy of Sentinel lymph node biopsy in breast cancer patients post neoadjuvant chemotherapy. In this study, we will examine accuracy and feasibility of using Sentinel lymph node biopsy in predicting axillary lymph node status in breast cancer patients after neoadjuvant chemotherapy. Methods: 45 female patients with resectable, nonmetastatic breast carcinoma cases who received neoadjuvant chemotherapy were enrolled in this study according to the routine Mansoura Oncology Center—guidelines of management of breast cancer. Methylene blue dye used for detection of Sentinel lymph node. Results: Successful Sentinel lymph node detection was 82.2%. Skin involvement (T4 disease) were linked to a low identification (P = 0.005). False negative rate equals 11/27 = (40.7%).With advancement of the stage of the tumor, the incidence of false negative results increases significantly (p = 0.012) with 95% confidence interval; 1.2 - 5.4. Conclusion: Sentinel lymph node should be adopted to be the standard method for axillary staging with T1-3 tumors after receiving neoadjuvant chemotherapy, in T4 patients, it is associated with low detection rate & high false negative rate making it doubtful technique for axillary staging.
Ratio Analysis of Tesco Plc Financial Performance between 2010 and 2014 in Comparison to Both Sainsbury and Morrisons  [PDF]
Adejumo Wahab Adejumo Wahab Adewuyi
Open Journal of Accounting (OJAcct) , 2016, DOI: 10.4236/ojacct.2016.53006
Abstract: Ratio analysis is a method of assessing and comparing the performance of a company in a particular year to previous years’ performance and possibly with other companies in the same industry. This paper aims at analyzing the financial performance of Tesco Plc between 2010 and 2014 and compares it with the performance of both Morrisons and Sainsbury. The paper intends to make use of financial statements of Tesco, Sainsbury and Morrisons from 2010 to 2014. From the data analysis, it is discovered that from 2010, the financial performance of Tesco Plc is not improving and the shareholders’ wealth has been decreasing. Not only that, the Gross Profit, Return on Capital Employed, Dividend payment, Share prices, etc. have been reducing from year to year. The consequence of this is that Tesco Plc may run into loss in the nearest future if not in 2015. The paper recommends that Tesco needs to adjust his business activities so as to improve its performance.
Characterization of Egyptian Botrytis cinerea Isolates from Different Host Plants  [PDF]
Hala Abdel Wahab
Advances in Microbiology (AiM) , 2015, DOI: 10.4236/aim.2015.53017
Abstract: Gray mold causes considerable economic losses of fruit and vegetable production. The current study on Egyptian population structure of Botrytis cinerea demonstrates that this species is composed of four TE genotypes: transposa, vacuma, boty and flipper types using transposable elements and sensitivity to the hydroxyanilide fungicide, fenhexamid. The results show that transposa is the predominant isolate type (63.6%) in the sampled populations of B. cinerea. However, the four isolate types are fenhexamid-sensitive regardless of location, host plant and plant organ. Additionally, B. cinerea isolates collected from different host plants do not exhibit any host preference using artificial infection test on lettuce. Furthermore, no relation is found between isolate type and aggressiveness and no divergence event has occurred among the isolates collected from different locations and host plants. The results suggest that host specialization of B. cinerea has not been occurred in the current sampled crops.
Modelling Stock Prices with Exponential Weighted Moving Average (EWMA)  [PDF]
Adejumo Wahab Adewuyi
Journal of Mathematical Finance (JMF) , 2016, DOI: 10.4236/jmf.2016.61011
Abstract:

Volatility is an important parameter for financial risk management and it is applied in many issues such as option pricing, portfolio optimization, VaR methodology and hedging; thus the forecasting of volatility or variance can be regarded as a problem of financial modelling. The objective of this paper is to forecast FTSE 100 Stock Prices of top 100 companies listed on London Stock Exchange by using the Exponential Weighted Moving Average (EWMA) Model. The data for this model are directly obtained from the UK FTSE 100 Index. In this research paper, we have examined the daily returns of FTSE 100 Stock Prices of top 100 companies listed on London Stock Exchange from the thirtieth day of June 2009 to the first day of December 2014 and equally forecasted the daily returns from the first day of December 2014 to the fifth day of February 2015 with the Exponential Weighted Moving Average (EWMA) Model. We found that there is a very high possibility that the stock prices will start to fall as from 5th February 2015 downwards.

Spectral footprint of Botrytis cinerea, a novel way for fungal characterization  [PDF]
Mohamed Aboelghar, Hala Abdel Wahab
Advances in Bioscience and Biotechnology (ABB) , 2013, DOI: 10.4236/abb.2013.43050
Abstract:

Botrytis cinerea affects plant yield and quality. Many Botrytis species are morphologically similar leading to difficulty in pathogen identification. Spectroscopy can be used to identify pathogenic fungi. This study describes a novel method for fungal characterization. Here, we determined the spectral signatures of different B. cinerea isolates as well as various fungal genera. A unique spectral pattern was investigated at both genus and isolate level. The short wave infrared II (2055 - 2315 nm) provided the best discrimination between the fungal samples observed. Moreover, the spectral analysis was performed on non-transformed data and investigated significant differences among fungal genera as well as B. cinerea isolates, while the results investigated high similarity among replicates of the same isolate of B. cinerea. The results of each spectral test were obtained reproducibly without an expensive cost consumable during sample preparation and measurements. This innovative approach would allow us to identify, discriminate and classify fungi rapidly and inexpensively at the genus, species and isolate level.

Introduction of Fertigation in Sugarcane Production for Optimization of Water and Fertilizers Use  [PDF]
Daffa Alla Mohamed Abdel Wahab
Agricultural Sciences (AS) , 2014, DOI: 10.4236/as.2014.511102
Abstract: A fertigation experiment was conducted during 2009/2010 and 2010/2011 seasons under com-mercial field conditions in Kenana Sugar Scheme, Sudan (latitude 13.10’N and longitude 32.40’E) in heavy clay soils, with 65% clay, 24% silt, 11% sand and pH 7.5 - 8.5. The primary objective of this study was to compare different strategies for timing of injection, to develop management practices on the efficient use of water and fertilizers in production of sugarcane, maximize yield, and improve quality. In both seasons four treatments were studied in a randomized complete block design with three replications as: Injection of the dissolved urea (46% N) during entire irrigation time (100%), during the first half of the irrigation time, during the second half of the irrigation time, and Mechanical application of urea. The first three treatments were applied with the third irrigation cycle through the irrigation water so that nitrogen fertilizer in form of dissolved urea (46% N) was injected in irrigation water by means of pressure differential tank system which is based on the principle of a pressure differential being created by a valve and flow regulator forcing and injecting a varying amount of dissolved fertilizer into the irrigation water. In the fourth treatment the fertilizer spreader and rigid tine cultivator were used for urea application just before the third irrigation event. The reference evapotranspiration (ETo) and the amount of water required for irrigating sugarcane plants were calculated according to its phenological stages using Peman-Monteith approach. The results of this study support the general finding that the injection during the entire irrigation (100% of the irrigation) produced the best distribution uniformity of added urea. In this study, injection during the first half of the irrigation was not statistically different from injection during 100% of the irrigation.
Difficulties in Treatment and Management of Epilepsy and Challenges in New Drug Development
Abdul Wahab
Pharmaceuticals , 2010, DOI: 10.3390/ph3072090
Abstract: Epilepsy is a serious neurological disorder that affects around 50 million people worldwide. Almost 30% of epileptic patients suffer from pharmacoresistance, which is associated with social isolation, dependent behaviour, low marriage rates, unemployment, psychological issues and reduced quality of life. Currently available antiepileptic drugs have a limited efficacy, and their negative properties limit their use and cause difficulties in patient management. Antiepileptic drugs can provide only symptomatic relief as these drugs suppress seizures but do not have ability to cure epileptogenesis. The long term use of antiepileptic drugs is limited due to their adverse effects, withdrawal symptoms, deleterious interactions with other drugs and economic burden, especially in developing countries. Furthermore, some of the available antiepileptic drugs may even potentiate certain type of seizures. Several in vivo and in vitro animal models have been proposed and many new antiepileptic drugs have been marketed recently, but large numbers of patients are still pharmacoresistant. This review will highlight the difficulties in treatment and management of epilepsy and the limitations of available antiepileptic drugs and animal seizure models.
India's biotechnology policies and biosafety regulations
S Wahab
African Crop Science Journal , 1995,
Abstract:
Bridging Literature and Linguistics
Abdul Wahab
TEFLIN Journal , 2002,
Abstract: : Two majors linguistics and literature in the schools of letters both in the state and private universities throughout Indonesia are commonly separated sharply. Courses of literature in the Department of Linguistics are offered minimally, such that the students of linguistics are not given a conducive atmosphere to express their literary appreciation. Likewise, courses of linguistics in the Department of Literature are very restricted, so that the students of literature are unable to analyze literary works from the points of linguistic view. This paper tries to bridge linguistics and literature. The attempt to bridge linguistics and literature is based on three postulates: (I) literature consists of linguistic objects designed with an artistic end, (2) linguistic objects are formal objects, and (3) a formal account of linguistic object designed with an artistic end approximates a formal account of that artistic design. Two major directions in the approaches and emphases will be presented in the paper exogenous and endogenous. Exogenous approach tries to search for adequate description of (1) poetic language as contrasted with ordinary language, (2) language of a particular author contrasted with that of other authors, and (3) a particular literary work contrasted with other works of the same author. This part touches upon three areas of exogenous approach isolation, description, and characterization. Endogenous, on the hand, is based upon an assumption that a writer exhibits, probably without realizing it, certain systematic preferences for particular aspects of linguistic patterns. Planning a bridge between linguistics and literature is by no means without problems. Therefore, this paper also presents some possible solutions.
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