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| 1 | Ethylene-inhibiting compound 1-MCP delays leaf senescence in cotton plants under abiotic stress conditions显示文摘Cotton(Gossypium hirsutum L.) plants produce more ethylene when subjected to abiotic stresses, such as high temperatures and drought, which result in premature leaf senescence, reduced photosynthetic efficiency, and thus decreased yield. This study was conducted to test the hypothesis that the ethylene-inhibiting compound 1-methylcyclopropene(1-MCP) treatment of cotton plants can delay leaf senescence under high temperature, drought, and the aging process in controlled environmental conditions. Potted cotton plants were exposed to 1-MCP treatment at the early square stage of development. The protective effect of 1-MCP against membrane damage was found on older compared to younger leaves, indicating 1-MCP could lower the stress level caused by aging. Application of 1-MCP resulted in reduction of lipid peroxidation, membrane leakage, soluble sugar content, and increased chlorophyll content, in contrast to the untreated plants under heat stress, suggesting that 1-MCP treatment of cotton plants may also have the potential to reduce the effect of heat stress in terms of delayed senescence. Application of 1-MCP caused reductions of lipid peroxidation, membrane leakage, and soluble sugar content, together with increases in water use efficiency(WUE), water potential, chlorophyll content, and fluorescence quantum efficiency, compared to the untreated plants under drought, suggesting that 1-MCP treatment of cotton plants may also have the ability to reduce the level of stress under drought conditions. In conclusion, 1-MCP treatment of cotton should have the potential to delay senescence under heat and drought stress, and the aging process. Additionally, 1-MCP is more effective under stress than under non-stress conditions. | CHEN Yuan J T Cothren CHEN De-hua Amir M H Ibrahim Leonardo Lombardini | 2015 | Journal of Integrative Agriculture2015,14,7: | 3 |
| 2 | Effectiveness of hepatitis B virus vaccination program in Egypt:Multicenter national project显示文摘AIM:To assess the effectiveness of hepatitis B virus(HBV) vaccination program among fully vaccinated children.METHODS:A national community based crosssectional study was carried out in 6 governorates representing Egypt. A total of 3600 children aged from 9 mo to 16 years who were fully vaccinated with HBV vaccine during infancy were recruited. Face to face interviews were carried out and sera were evaluated for hepatitis B surface antigen(HBsA g),anti-HBV core antibodies(total) and quantitative detection of hepatitis B surface antibody using enzyme linked immunoassays techniques. Samples positive to HBs Ag/anti-HBV core antibodies were subjected to quantitative HBV-DNA detection by real time polymerase chain reaction with 3.8 IU/L detection limit. RESULTS:Sero-protection was detected among 2059 children(57.2%) with geometric mean titers 75.4 ± 3.6 IU/L compared to 3.1 ± 2.1 IU/L among nonseroprotected children. Multivariate logistic analysis revealed that older age and female gender were the significant predicting variables for having non seroprotective level,with adjusted odds ratio 3.3,9.1and 14.2 among children aged 5 to < 10,10 to < 15 and ≥ 15 years respectively compared to those < 5 years and 1.1 among girls compared to boys with P < 0.01. HBs Ag was positive in 0.11% and breakthrough infection was 0.36% and 0.39% depending on positivity of anti-HBc and DNA detection respectively. The prevalence of HBV infection was significantly higher among children aged ≥ 7 years(0.59%) compared to 0.07% among younger children with odds ratio equal to 8.4(95%CI:1.1-64.2) and P < 0.01.The prevalence was higher among girls(0.48%) than boys(0.29%) with P > 0.05. C ON C LU S I ON :T he E gy pt ian c ompuls or y H B V vaccination program provides adequate protection. Occult HBV infection exists among apparently healthy vaccinated children. Adherence to infection control measures is mandatory. | Iman I Salama Samia M Sami Zeinab Nabil Ahmed Said Manal H El-Sayed Lobna A El Etreby Thanaa M Rabah Dalia M Elmosalami Amany T Abdel Hamid Somaia I Salama Aida M Abdel Mohsen Hanaa M Emam Safaa M Elserougy Amal I Hassanain Naglaa F Abd Alhalim Fatma A Shaaban Samia A Hemeda Nihad A Ibrahim Ammal M Metwally | 2015 | World Journal of Hepatology2015,7,22: | 2 |
| 3 | A fault ride-through technique of DFIG wind turbine systems using dynamic voltage restorers 显示文摘 | Ibrahim A O Nguyen T H Lee Dong-Choon | 2011 | IEEE Transactions on Energy Conversion2011,26,3: | 1 |
| 4 | Simple adaptive median filter for the removal of impulse noise from highly corrupted images显示文摘 | Ibrahim H Kong NSP Ng T F | | 0,,04: | 1 |
| 5 | A novel technique in applying skeletal traction for long bone fractures显示文摘 | Al-Khateeb H Peckham T Ibrahim E | 2008 | Ann R Coll Surg Engl2008,90,5: | 1 |
| 6 | Enhanced secretion of hydrophobic peptide fused lysozyme by the introduction of N-glycosylation signal and the disruption of calnexin gene in Saccharomyces cerevisiae 显示文摘 | Arima H Kinoshita T Ibrahim H R | 1998 | FEBS Letters1998,440,12: | 1 |
| 7 | Ovotransferrin possesses SOD-like superoxide anion scavenging activity that is promoted by copper and manganese binding显示文摘 | IBRAHIM H R HOQ M I AOKI T | 2007 | Int J Biol Macromol2007,41,5: | 1 |
| 8 | A fault ride- through technique of DFIG wind turbine systems using dynamic voltage restorers 显示文摘 | IBRAHIM A O NGUYEN T H LEE D C | 2011 | IEEE Trans on Energy Conversion2011,26,3: | 1 |
| 9 | Interleukin-18 gene polymorphisms in Egyp- tian patients with allergic diseases显示文摘 | IBRAHIM G H ELTABBAKH M T GOMAA A H | 2012 | Am J Rhinol Allergy2012,26,: | 1 |
| 10 | Ocular therapy with nanoparticulate systems for controlled drug delivery显示文摘 | Gurny R Boye T Ibrahim H | | 0,,: | 1 |
| 11 | Inkier printing resolution study for multi-material rapid prototyping显示文摘 | IBRAHIM M OTSUBO T NARAHARA H | 2006 | JSME int J C2006,49,2: | 1 |
| 12 | Ocular therapy with nanoparficulate systems for controlled drug delivery显示文摘 | Gumy R Boye T Ibrahim H | 1985 | J Control Rel1985,2,3: | 1 |
| 13 | CB2 Cannabinoid receptor-mediated peripheral antinoeieeption 显示文摘 | Malan TP Jr Ibrahim MM Deng H Liu Q Mata HP Vanderah T | 2001 | Pain2001,93,3: | 1 |
| 14 | Molecular modeling study of the aggregation behavior of nickel (II) , cobalt (II) , lead (II) and zinc (II) his (2-etbylhexyl) phosphate complexes 显示文摘 | Ibrahim T H Neuman R D | 2006 | Journal of Colloid and Interface Science2006,294,: | 1 |
| 15 | Model Selection Criteria for Missing-Data Problems Using the EM Algorithm 显示文摘 | Ibrahim J G Zhu H T Tang N S | 2008 | Journal of the American Statistical Association2008,103,484: | 1 |
| 16 | Cloning and characterization of a chitin synthase cDNA from the mosquito Aedes aegypti显示文摘 | Ibrahim G H Smartt C T Kiley L M | 2000 | Insect Biochemistry and Molecular Biology2000,30,12: | 1 |
| 17 | New antituberculosis drugs, regimens, and adjunct therapies: needs, advances, and future prospects显示文摘 | Alimuddin I Zumla Stephen H Gillespie Michael Hoelscher Patrick P J Philips Stewart T Cole Ibrahim Abubakar Timothy D McHugh Marco Schito Markus Maeurer Andrew J Nunn | 2014 | The Lancet Infectious Diseases2014,,4: | 1 |
| 18 | Removal of lead (11) ions from aqueous solution using eggplant peels activated charcoal 显示文摘 | IBRAHIM T H BABAR Z B KHAMIS M I | 2015 | Separation Science and Technolo- gy2015,50,: | 1 |
| 19 | Ovotransferrin antimicrobial peptide (OTAP-92) kills bacteria through a membrane damage mechanism显示文摘 | Ibrahim H R Y Sugimoto T Aoki | 2000 | Biochim Biophys Acta2000,1523,23: | 1 |
| 20 | Genetic evidence that antibacterial activity of lysozyme is independent of its catalytic function显示文摘 | IBRAHIM H MATSUZAKI T AOKI T | 2001 | FEBS Lett2001,506,1: | 1 |