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Catabolic Plasmid-Mediated Heavy Metal Resistance in Herbicide Diuron-Degrading Pseudomonas species
EL-DEEB, BAHIG A. 한국미생물 · 생명공학회 2001 Journal of microbiology and biotechnology Vol.11 No.1
Three Pseudomonas strains (Bk8, Bk9, Bk10) selected from soil for their ability to degrade herbicide diuron were tested for their heavy metal resistance. The growth of these catabolic strains on a minimal medium with various concentrations of Cd^2+, Zn^2+, Ni^2+', and Hg^2+ revealed a minimal effect on the carbon source for the inhibitory effect of the metals. One of these strains, namely, Bk8, exhibited a high resistance to the heavy metals as compared to the two other strains. This strain harbors plasmid pBk8 (110kb) and contains at least four determinants encoding heavy metal resistance. Nickel and zinc resistance are encoded by genes located on the chromosome, while cadmium and mercury resistance are on plasmid pBk8. Accordingly, the characteristics of strain Bk8 suggest that it would be useful in the bioremediation of aromatic compounds in the presence of toxic heavy metals as co-contaminants.
El-Deeb, Ibrahim Mustafa,Lee, So-Ha The Korean Society of Applied Science and Technolo 2008 한국응용과학기술학회지 Vol.25 No.3
Although the pyrimidine derivatives were obtained in low yields ranging from 8% to 20%, we reported the successful preparation of N,N-diaryl-pyrimidin-2-amine derivatives starting from the corresponding 2-aminopyrimidines (1a-1c), by direct palladium-catalyzed arylation using different arylbromides. The reasons of low yields are thought to be the electronic and steric effects by the neighboring aromatic systems. The absorption spectra and photoluminescent spectra of compounds (3a 3g and 4a-4c) were measured using dichloromethane on the concentration of 25 mM by UV vis spectroscopy and luminescent spectroscopy. Pyrimidine derivatives 4a, 4b, and 4c showed moderate emission maxima at 474 nm, 481 nm, and 367 nm, respectively, while other compounds showed very weak photoluminescence or no photoluminescence at all.
The Use of the UNIDROIT Principles as Neutral Law in Arbitration
Henry Deeb Gabriel 한국중재학회 2013 중재연구 Vol.23 No.3
This article discusses the use of the UNIDROIT Principles of International Commercial Contracts in international commercial arbitration. Because the Principles are designed specifically for cross‐border commercial transactions, the use of the Principles avoids many of the legal rules that would govern from otherwise applicable domestic law that do not reflect the expectations of parties in international trade.
Plasmid-Mediated Aniline Assimilation by Pseudomonas sp. B10
El-Deeb, Bahig, A. 한국미생물 · 생명공학회 2001 Journal of microbiology and biotechnology Vol.11 No.1
An aniline-utilizing microorganism identified as a species of Pseudomonas was isolated from soil contaminated highly with aniline and urea-herbicide. This strain was able to utilize aniline as the sole source of carbon and energy, and was shown to harbor a single large plasmid mediating the aniline assimilation. Subsequent plasmid-curing of this bacterium resulted in the abolishment of the aniline utilizing phenotype and the loss of catechol-C2, 3O-oxygenase. The reestablishment of the plasmid, denoted pB10, in cured Pseudomonas sp. via filter surface mating, resulted in restoration of the aniline assimilation abilities and enzyme activity.
Asma Deeb,Nabras Al Qahtani,Amal Al Ali,Mariette Akle 대한소아내분비학회 2017 Annals of Pediatirc Endocrinology & Metabolism Vol.22 No.3
Purpose: Insulin pumps are widely used in diabetes. They are equipped with safety alarms to alert users. Pump manuals contain alarm codes and how to troubleshoot them. However, these manuals are lengthy and difficult to use, particularly in emergencies. We aim to assess the impact of targeted education on warnings and errors in improving competency to troubleshoot the alarms. Methods: Twentyone patients, with a median age of 13, were recruited over a 5month period. Each patient had 2 study visits. The frequencies and types of alarms were recorded, and patients were given a summary sheet that outlined common alarms encountered and troubleshooting tips. In visit 2, the frequencies and types of alarms were compared to those of visit 1. The patients were asked to fill a questionnaire and to rate the education session given in visit 1, their level of competency in decrypting alarm codes, and their promptness in responding to alarms. Results: Low cartridge (W1), low battery (W2), and bolus cancelled (W8) were the commonest warnings. The most noted errors were occlusion (E4), power interruption (E8), empty battery (E2), set not primed (E11), and cartridge empty (E1). The numbers of warning and error signals markedly decreased after targeted education (P<0.05). The ability in decrypting warning signals significantly improved (P=0.02), and the frequency of response to pump alarms significantly increased (P=0.001). Conclusion: Certain warnings and errors are more common than others in insulin pumps. Targeted education is useful in improving competency and response of patients in managing pump alarms.
Pascal Distribution Series Connected with Certain Subclasses of Univalent Functions
El-Deeb, Sheeza M.,Bulboaca, Teodor,Dziok, Jacek Department of Mathematics 2019 Kyungpook mathematical journal Vol.59 No.2
The aim of this article is to make a connection between the Pascal distribution series and some subclasses of normalized analytic functions whose coefficients are probabilities of the Pascal distribution. For these functions, for linear combinations of these functions and their derivatives, for operators defined by convolution products, and for the Alexander-type integral operator, we find simple sufficient conditions such that these mapping belong to a general class of functions defined and studied by Goodman, Rønning, and Bharati et al.
The Use of the UNIDROIT Principles as Neutral Law in Arbitration
Henry Deeb Gabriel 한국중재학회 2013 중재연구 Vol.23 No.3
This article discusses the use of the UNIDROIT Principles of International Commercial Contracts in international commercial arbitration. Because the Principles are designed specifically for cross‐border commercial transactions, the use of the Principles avoids many of the legal rules that would govern from otherwise applicable domestic law that do not reflect the expectations of parties in international trade.
El-Deeb, Ibrahim Mustafa,Han, Dong-Keun,Kim, In-Tae,Lee, So-Ha Korean Chemical Society 2010 Bulletin of the Korean Chemical Society Vol.31 No.7
Phenylaminopyrimidines represent a large group of new selective anticancer agents, the majority of which exert their action through the inhibition of specific kinases. In this study, a new series of N-substituted-2-aminopyrimidines has been designed and synthesized. A selected group of the synthesized derivatives was screened at a single dose concentration of 10 ${\mu}M$ over a panel of 60 cancer cell-lines. Compound 12e has showed great inhibitory and strong lethal effect over almost all of the 60 cell-lines and accordingly was further tested in a 5-dose testing mode to determine its $IC_{50}$ values, where it showed great efficacies with intermediate potencies over the tested cell-lines. The compound was also tested over a panel of 52 kinases to explore its kinase inhibitory profile, and was found to be a selective but moderate inhibitor over FLT3 kinase.
A Highly Selective Staurosporine Derivative Designed by a New Selectivity Filter
El-Deeb, Ibrahim M.,Jung, Su-Jin,Park, Byung-Sun,Yoo, Young-Jun,Choi, Ki-Hang,Yang, Young-Mok,Lee, Sang-Woo,Kim, In-Tae,Han, Dong-Keun,Lee, So-Ha Korean Chemical Society 2011 Bulletin of the Korean Chemical Society Vol.32 No.5
KIST301135 was semi-synthetically prepared by the reaction of Staurosporine with triphosgene in anhydrous dichloromethane. The structure of KIST301135 was confirmed by $^1H$ NMR, $^{13}C$ NMR, and high resolution mass spectrum. KIST301135 was initially tested in a single dose duplicate mode at a concentration of 20 nM over a panel of 53 kinases against Staurosporine as a positive control. KIST301135 has showed inhibitions above 75% in only 2 kinases (FLT3 and JAK3 kinases) of the 53 tested kinases, while Staurosporine has showed inhibitions above 80% in about 62% of the tested kinases. KIST301135 was retested at a 5-dose testing mode over the 9 kinases inhibited by percentages over 20 at the single dose testing in order to determine its $IC_{50}$ values. KIST301135 has shown much improved kinase inhibitory selectivity relative to Staurosporine in its potency at JAK3 kinase and CAMK2b kinase.