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  1. Several cultivated areas are irrigated with low-quality waters from the drainage system due to the shortage of suitable source of water for agricultural activities. Most of these drainage waters are contaminat...

    Authors: Sherine M. Shehata, Reham K. Badawy and Yasmin I. E. Aboulsoud

    Citation: Bulletin of the National Research Centre 2019 43:189

    Content type: Research

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  2. Slow-release fertilizers (SRF) are quite numerous, and diverse group of materials are involved in the improvement of the effectiveness of fertilization, mitigation of the negative impact of fertilizers on the ...

    Authors: E. K. Nabila, M. S. Abourayya, Thanaa Sh. M. Mahmoud, R. A. Eisa, Amal M. Rakha and O. A. Amin

    Citation: Bulletin of the National Research Centre 2019 43:188

    Content type: Research

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  3. Toll-like receptors (TLRs) are an important family of receptors that constitute the first line of defense system against microbes. They can recognize both invading pathogens and endogenous danger molecules rel...

    Authors: Salwa Refat El-Zayat, Hiba Sibaii and Fathia A. Mannaa

    Citation: Bulletin of the National Research Centre 2019 43:187

    Content type: Review

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  4. Evaluation of surface runoff is an essential factor in the precision water and soil conservation management through their main extreme impacts on soil properties. The natural resource conservation service curv...

    Authors: E. S. Mohamed, Abdel-Aziz Belal and Mohamed Abu-hashim

    Citation: Bulletin of the National Research Centre 2019 43:186

    Content type: Research

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  5. Tomatoes are now one of the most popular nutrient-dense vegetables in terms of acreage, production, yield, commercial use, and consumption that add to the Bangladesh economy and ultimately reduce poverty. With...

    Authors: Shata Rupa Sinha, Ashutus Singha, Muhiuddin Faruquee, Md. Abu Sayem Jiku, Md. Arifur Rahaman, Md. Ashraful Alam and Mohammad Abdul Kader

    Citation: Bulletin of the National Research Centre 2019 43:185

    Content type: Research

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  6. Nanomedicine contributes to the efficiency of pharmacological treatments and progresses rapidly. The present study was designed to produce exopolysaccharide (BSEPS) from Bacillus subtilis sp. strain reported in o...

    Authors: Manal G. Mahmoud, Mohsen S. Asker, Mohamed E. El Awady, Amal I. Hassan, Nadia A. R. Zaharan and Hanan F. Youssef

    Citation: Bulletin of the National Research Centre 2019 43:184

    Content type: Research

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  7. Chronic infection with Helicobacter pylori is associated with protean manifestations, which vary from no symptoms to multiple gastric diseases. Other H. pylori infections could provide protection against reflux e...

    Authors: Loaa A. Tag Eldeen, Mohamed A. Mohamed, Mohamed M. Awad, Mohamed I. Sheir, Tahany M. Shams and Mustafa M. Ragheb

    Citation: Bulletin of the National Research Centre 2019 43:183

    Content type: Research

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  8. By 2050, the world will need to feed an additional 2 billion people and require 70% more meat and milk. The increasing future demand for livestock products, driven by increases in income, population, and urban...

    Authors: Hamed A. A. Omer, Soha S. Abdel-Magid and Ibrahim M. Awadalla

    Citation: Bulletin of the National Research Centre 2019 43:182

    Content type: Research

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  9. Plasminogen activator inhibitor-1 (PAI-1), which is a part of urokinase plasminogen activation (uPA) system, had been reported to have a crucial role in the development of different types of cancers. The PAI-1 ge...

    Authors: Nader Nemr, Mohamed Mandour, Dahlia Badran, Rania Kishk, Fawzy Attia, Abdullah Hashish and Ahmed Gaber

    Citation: Bulletin of the National Research Centre 2019 43:181

    Content type: Research

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  10. The release of environmental pollutants such as heavy metals due to mining activities has received worldwide condemnation. Therefore, understanding the contamination of both surface and groundwater in Edege-Mb...

    Authors: Mohammed Engha Isah, Nuhu Abdulkadir Abdulmumin, Paul D. Elaoyi and Ephraim Audu

    Citation: Bulletin of the National Research Centre 2019 43:179

    Content type: Research

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  11. Legumes are considered staple foods for many countries in different areas of the world. Cultivation of nematode-resistant newly introduced field pea and cowpea cultivars is an important, cheap, and economical ...

    Authors: Mahmoud M. A. Youssef and Wafaa M. A. El-Nagdi

    Citation: Bulletin of the National Research Centre 2019 43:178

    Content type: Research

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  12. The present work aimed to investigate the impact of partial replacement yellow corn by mango seed kernels (MSK) at different levels of (0, 25, and 50%) on feed and water consumption, water metabolism, nutrient...

    Authors: Hamed A. A. Omer, Mohamed A. Tawila, Sawsan M. Gad and Soha S. Abdel-Magid

    Citation: Bulletin of the National Research Centre 2019 43:176

    Content type: Research

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  13. Strawberry (Fragaria ananassa Duch.) is an economically important crop in Egypt. Yet complex black root rot disease of strawberry caused by Fusarium solani, Rhizoctonia solani, and Pythium sp. can cause considera...

    Authors: Mahfouz M. M. Abd-Elgawad, Ibrahim E. Elshahawy and Farid Abd-El-Kareem

    Citation: Bulletin of the National Research Centre 2019 43:175

    Content type: Research

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  14. The genus Triticum L. includes diploid, tetraploid, and hexaploid species. DNA barcoding is a new method to identify plant taxa by using short sequences of DNA and within a short time. In this investigation, we d...

    Authors: Samira A. Osman and Walaa A. Ramadan

    Citation: Bulletin of the National Research Centre 2019 43:174

    Content type: Research

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  15. The potential effects of two parameters of climatic change conditions (temperature and relative humidity) on the population dynamics of the olive fly across the two ecological areas in Egypt were studied. The ...

    Authors: Ahmed Mohamed Ezzat Abd El-Salam, Sadek Abdel-Wahed Salem, Ragab Shaker Abdel-Rahman, Hoda Hassan El-Behery and Mona Ahmed Magd Elden

    Citation: Bulletin of the National Research Centre 2019 43:173

    Content type: Research

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  16. Mulberry silkworm, Bombyx mori L. is one of the most economically important insect because its production of silk which interfere with many important industries. Diseases of the silkworm, B. mori such as viral, b...

    Authors: Mahmoud S. I. Saad, Enas M. Y. Elyamani and Walaa M. M. Helaly

    Citation: Bulletin of the National Research Centre 2019 43:172

    Content type: Research

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  17. Microbial cultures are extensively used as environment friendly ways for biological control of parasitic pests, including the root-knot nematodes, alternative to the use of chemical nematicides. The present st...

    Authors: Gaziea Mohamed Soliman, Hoda Hussein Ameen, Shadia Mohamed Abdel-Aziz and Ghada M. El-Sayed

    Citation: Bulletin of the National Research Centre 2019 43:171

    Content type: Research

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  18. Guar is an economic crop due to guar gum which is extracted from seeds and is used in several industries such as food, ink, plastics, pharmaceutical industry, and cosmetics. It can also be used as a cover crop...

    Authors: Safaa R. El-Lethy, Iman M. Talaat, Shahira A. Tarraf and Abdalla El Moursi

    Citation: Bulletin of the National Research Centre 2019 43:169

    Content type: Research

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  19. This study was conducted to evaluate the genetic diversity of five peanut cultivars grown under field conditions. A field experiment was conducted using five peanut cultivars (Giza-5, Giza-6, Ismailia-1, Grego...

    Authors: Ghada M. Samaha, M. A. Ahmed and Asmaa R. Abd El-Hameid

    Citation: Bulletin of the National Research Centre 2019 43:168

    Content type: Research

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  20. Cucurbita spp. is a main source of crypto-xanthine, zeaxanthin lutein folates, and natural poly-phenolic flavonoid compounds. Collection and conservation of genetic variability are helpful in genetic advancement ...

    Authors: Adel Ahmed Elshafei, Talal Khaled Alateeq, Rafik Mostafa Habib and Mohamed Ibrahim Motawei

    Citation: Bulletin of the National Research Centre 2019 43:167

    Content type: Research

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  21. The genus Entamoeba has many species that are invasive or non-invasive (E. histolytica, E. dispar, and E. moshkovskii).The invasive E. histolytica is the main pathogenic amoeba in human. Amoebiasis involves sever...

    Authors: Athraa Abd-ulameer Al-Hilfi, Maha Khalil Al-Malak and Muslim Abd-ulrahman Al-Tomah

    Citation: Bulletin of the National Research Centre 2019 43:166

    Content type: Research

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  22. No-tillage is considered as a promising alternative for conventional farming by saving energy input and time, reducing groundwater pollution, and counteracting soil erosion and losses of soil-organic matter. T...

    Authors: Ashutus Singha, Md. Arifur Rahaman, Md. Abu Sayem Jiku, Muhiuddin Faruquee, Md. Ashraful Alam and Shata Rupa Sinha

    Citation: Bulletin of the National Research Centre 2019 43:165

    Content type: Research

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  23. Algal biomass fermentation is one of the promising alternatives for bioethanol production. The bioethanol yield relies on fermentation conditions as the algal biomass amount, the yeast volume (% v/v), and the ...

    Authors: Samar A. El-Mekkawi, Sayeda M. Abdo, Farag A. Samhan and Gamila H. Ali

    Citation: Bulletin of the National Research Centre 2019 43:164

    Content type: Research

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  24. The purpose of this study is to use shotgun next-generation sequencing to unravel the microbial community structure of an agricultural soil, decipher the effects of mercury contamination on the structure of th...

    Authors: Lateef Babatunde Salam, Halima Shomope, Zainab Ummi and Fatima Bukar

    Citation: Bulletin of the National Research Centre 2019 43:163

    Content type: Research

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  25. Chlorella vulgaris (CV) is a natural source of functional antioxidants capable of protecting against oxidative stress; its dietary supplementation in animals can serve as a way of improving animals’ performance a...

    Authors: A. B. Sikiru, A. Arangasamy, I. C. Alemede, S. S. A. Egena and R. Bhatta

    Citation: Bulletin of the National Research Centre 2019 43:162

    Content type: Research

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  26. Electrophoretic SDS-PAGE and SCoT-PCR techniques were used to study the fingerprints and genetic diversity of six Egyptian soybean (Glycine max L.) genotypes (Giza111, Giza21, Giza82, Giza35, Giza22, and Giza83).

    Authors: Walaa A. Rayan and Samira A. Osman

    Citation: Bulletin of the National Research Centre 2019 43:161

    Content type: Research

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  27. Economics and human safety to avoid health risks caused by fungicides are materializing new era of biological pest control. Trichoderma species ranked high among other agents to control complex black root rot dis...

    Authors: Farid Abd-El-Kareem, Ibrahim E. Elshahawy and Mahfouz M. M. Abd-Elgawad

    Citation: Bulletin of the National Research Centre 2019 43:160

    Content type: Research

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  28. Numerous predatory insects were recorded on different plants; some were fed on the floral nectar and others as visitors. Other insects used any plant as a shelter or associated with their prey. Pollinators and...

    Authors: Mohamed Ahmed Gesraha, Amany Ramadan Ebeid and Atef Abd El-Rahman Ali

    Citation: Bulletin of the National Research Centre 2019 43:159

    Content type: Research

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  29. In India, the sand roasting technique is widely used by street food vendors, villagers and cottage industries for making various value-added food products from different cereals, millets and legumes. The tradi...

    Authors: Aruna Jyothi Kora

    Citation: Bulletin of the National Research Centre 2019 43:158

    Content type: Review

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  30. This research was aimed to study the structure of actual investment costs and operating and maintenance costs for raising and distributing ground water through the use of different irrigation methods and for e...

    Authors: Hani El-Shatla, Eman A. Ahmed, Reda Essa and Manal F. Mohamed

    Citation: Bulletin of the National Research Centre 2019 43:157

    Content type: Research

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  31. Today, the using of diode lasers in dentistry has made a significant progress; it increased the speed of treatment, decreased the time of healing, and showed a bactericidal effect. The thermal effects should b...

    Authors: Doaa M. Sadony and Karim Montasser

    Citation: Bulletin of the National Research Centre 2019 43:155

    Content type: Research

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  32. Eggplant (Solanum melongena L.) is one of the important vegetable crops infected by Meloidogyne incognita all over the world, including Egypt. Chemical nematicides frequently cause environmental pollution and tox...

    Authors: Wafaa M. A. El-Nagdi and Hassan Abd-El-Khair

    Citation: Bulletin of the National Research Centre 2019 43:154

    Content type: Research

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  33. The constituents of sweet lemon essential oil (EO) have different biological and medical properties. The exploitation of sweet lemon residues in the production of EO is an important means of increasing natural...

    Authors: Khalid A. Khalid, Ahmed E. El-Gohary and Aisha M. A. Ahmed

    Citation: Bulletin of the National Research Centre 2019 43:152

    Content type: Research

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  34. Implementation of a mandatory insurance scheme depends on several issues, and among them are regulation, management, and program design which are very crucial. Sometimes a well-designed insurance scheme cannot...

    Authors: Shaik Sayed Md Rashidul Hossain and Shoaib Mohammad Salman

    Citation: Bulletin of the National Research Centre 2019 43:151

    Content type: Research

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  35. Finite element analysis was used to evaluate the stress distribution, estimate the residual stresses, bending, and amount of displacement of two nickel-titanium instruments manufactured by the same M-wire tech...

    Authors: Nada Omar, Amira Galal Ismail, Manar Galal, Mohamed H. Zaazou and Mohamed Abdullah Mohamed

    Citation: Bulletin of the National Research Centre 2019 43:148

    Content type: Research

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  36. Agricultural water resources have been limited over the years due to global warming and irregular rainfall in the arid and semi-arid regions. To mitigate the water stress in agriculture, mulching has a crucial...

    Authors: Mohammad Abdul Kader, Ashutus Singha, Mili Amena Begum, Arif Jewel, Ferdous Hossain Khan and Nazrul Islam Khan

    Citation: Bulletin of the National Research Centre 2019 43:147

    Content type: Review

    Published on:

  37. Ocular toxocariasis is considered a parasitic disease of major socioeconomic importance. In spite of the high prevalence of human toxocariasis (up to 84%) among Egyptian patients, the incidence of ocular toxoc...

    Authors: Nagwa Mostafa El-Sayed and Nagham Gamal Masoud

    Citation: Bulletin of the National Research Centre 2019 43:146

    Content type: Review

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  38. Natural silk is one of the best yarns that attract large number of users and become a very important industry. Mulberry leaves is a natural food of silkworm, therefore scientists have recently incorporated met...

    Authors: Mahmoud S. I. Saad, Walaa M. M. Helaly and El-Sayed A. El-Sheikh

    Citation: Bulletin of the National Research Centre 2019 43:145

    Content type: Research

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  39. Due to rapid development of microbial resistance against chemotherapeutic agents (mostly antibiotics), it has become essential currently to screen effective, safe, cheap, and available therapeutics from variou...

    Authors: Nagwa M. Atef, Sanaa M. Shanab, Sahar I. Negm and Yasmeen A. Abbas

    Citation: Bulletin of the National Research Centre 2019 43:144

    Content type: Research

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  40. Burullus Lake has received a great attention because of its environmental and economic importance for connecting with the Mediterranean Sea through El Boughaz opening. Some of the chemical analyses were perfor...

    Authors: Ahmed A. Melegy, Mohamed S. El-Bady and Husein I. Metwally

    Citation: Bulletin of the National Research Centre 2019 43:143

    Content type: Research

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  41. The increased prevalence of type 1 diabetes mellitus in children and adolescents with its complications, especially microvascular ones (retinopathy, nephropathy, and neuropathy) that affect the expectancy of t...

    Authors: Zeinab Mohammed Monir, Mona Hussein El Samahy, Ehab Mohammed Eid, Abla Galal Khalifa, Soheir abd-El Mawgood abd-ElMaksoud, Mohamed Abdel Moneim Abbas and Hend Helmy Abd El Ghaffar

    Citation: Bulletin of the National Research Centre 2019 43:142

    Content type: Research

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  42. Rutin is one of the flavonoid compounds found in different plant species. Rutin has powerful antioxidant properties. The main target of this study is to elevate rutin content in gardenia (Gardenia jasmonides Elli...

    Authors: Amal Abd El-Latif El-Ashry, Ahmed Mohamed Magdy Gabr, Nermeen Mohamed Arafa and Mohamed Kamal El-Bahr

    Citation: Bulletin of the National Research Centre 2019 43:141

    Content type: Research

    Published on:

  43. Diabetic nephropathy is the leading cause of kidney failure worldwide. NADPH oxidase 4 (NOX4) is an obvious cause for reactive oxygen species production in the kidney mainly via renin-angiotensin system. High ...

    Authors: Shymaa A. Maher, Loaa A. Tag Eldeen, Dahlia I. Badran and Taher I. Elserafy

    Citation: Bulletin of the National Research Centre 2019 43:140

    Content type: Research

    Published on:

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The NRC has to correspond to the country's key production and services sectors through the research conducted in different areas of science and technology, scientific consultation and training as well.

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