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  1. Bio-fertilizers as a safe alternative to the synthetic fertilizers come to the front in the agriculture requirements as they provide the planted crops with their nutrients to ensure high quality and productivi...

    Authors: Rania T. Ali, Enas M. Abdel-Ghany, Fawzia I. Mohamed, Evon M. Hanna and Zeinab M. Elashery

    Citation: Bulletin of the National Research Centre 2019 43:138

    Content type: Research

    Published on:

  2. The World Health Organization (WHO) encourages using medicinal herbs and plants to substitute or minimize the use of chemicals through the global trend to go back to nature. Many studies mentioned that using m...

    Authors: Hamed A. A. Omer, Gamal M. H. El-Mallah, Soha S. Abdel-Magid, Neamat I. Bassuony, Sawsan M. Ahmed and Abdel Khalek A. El-Ghamry

    Citation: Bulletin of the National Research Centre 2019 43:137

    Content type: Research

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  3. Lignocellulose biomass such as agricultural residues is increasingly important for biofuel production. Using agricultural residues like rice straw for biofuel production has dual purposes of utilizing the huge...

    Authors: Bahiru Tsegaye, Chandrajit Balomajumder and Partha Roy

    Citation: Bulletin of the National Research Centre 2019 43:136

    Content type: Research

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  4. Certain substances with some physical and chemical activities can be used to decrease the transpiration rate and alleviate plant water stress through rising leaf resistance to the diffusion of water vapor. Whe...

    Authors: Maha Mohamed Shater Abdallah, Hala Mohamed Safwat El-Bassiouny and Mohamed Aly AbouSeeda

    Citation: Bulletin of the National Research Centre 2019 43:134

    Content type: Research

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  5. Sowing time and suitable planting media are considered basic requirements to get the maximum yield and high profit for their direct and significant impact on seedlings quality and productivity of trees later. ...

    Authors: Thanaa Sh. M. Mahmoud, E. K. Nabila, M. S. Abou Rayya and R. A. Eisa

    Citation: Bulletin of the National Research Centre 2019 43:133

    Content type: Research

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  6. The present study was planned to estimate the heavy metal concentrations in water samples and fish tissue residue (liver and muscle) of cultured Oreochromis niloticus as well as metallothionein (MT) gene expressi...

    Authors: Shenouda M. Girgis, Dalia M. Mabrouk, Magdy I. Hanna and Amira Abd ElRaouf

    Citation: Bulletin of the National Research Centre 2019 43:131

    Content type: Research

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  7. Microalgae, the third-generation source of biofuel have invaluable bio-refineries such as carotenoids. The accumulation of carotenoids in the algal cell is based on several parameters during algal growth. Some...

    Authors: Samar A. El-Mekkawi, H. S. Hussein, S. A. Abo El-Enin and N. N. El-Ibiari

    Citation: Bulletin of the National Research Centre 2019 43:130

    Content type: Research

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  8. The use of phytogenic feed supplement is now being considered in broiler production for enhancing their performance and health status. In this 42-day feeding trial, the effects of a diet supplemented with pawp...

    Authors: O. D. Oloruntola

    Citation: Bulletin of the National Research Centre 2019 43:129

    Content type: Research

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  9. This study investigates the effects of nano-curcumin on gene expression of insulin and insulin receptor in diabetic rats. Forty female rats were divided into four groups (ten rats for each). The first group wa...

    Authors: Weaam Gouda, Naglaa A. Hafiz, Lamiaa Mageed, Ahmed S. Alazzouni, Wagdy K. B. Khalil, Mie Afify and Mohamed D. E. Abdelmaksoud

    Citation: Bulletin of the National Research Centre 2019 43:128

    Content type: Research

    Published on:

  10. Gastrointestinal parasitic diseases remain an obstacle in goat industry in Egypt and worldwide. This study was conducted for assessing the prevalence of the gastrointestinal parasitic infections among goats in...

    Authors: Noha M. F. Hassan, Tarek K. Farag, Nadia M. T. Abu El Ezz and Hala A. A. Abou-Zeina

    Citation: Bulletin of the National Research Centre 2019 43:127

    Content type: Research

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  11. High temperature is a crucial problem in growing good crops of high temperature-sensitive vegetables including tomato. Therefore, this study was carried out to investigate the effects of pre-sowing heat treatm...

    Authors: Sohair K. Ibrahim and Lulwa A. El-Muqadam

    Citation: Bulletin of the National Research Centre 2019 43:126

    Content type: Research

    Published on:

  12. The present study deals with mineralogy, diagenesis, and their impact on chemical composition for early Paleozoic, Cambro-Ordovician, (Adediya and Abu Hamata formations) and late Paleozoic, early Carboniferous...

    Authors: S. D. Abayazeed, A. M. Ibrahim, Abdalla Soliman Alshami and D. A. Saadawy

    Citation: Bulletin of the National Research Centre 2019 43:124

    Content type: Research

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  13. Toll-like receptors (TLRs) are type I integral transmembrane receptors involved in recognition and conveying of pathogens to the immune system. These receptors are located either on cell surfaces or within end...

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

    Citation: Bulletin of the National Research Centre 2019 43:123

    Content type: Review

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  14. The potato tuber moth (PTM), Phthorimaea operculella (Zeller) (Lepidoptera: Gelechiidae), is an important pest. It attacks several cultivated solanaceous plants including potato (Solanum tubersum), tobacco (Nicot...

    Authors: Aziza Mohamed Fouad Sharaby, Mohamed Ahmed Gesraha and Sahar Ahmed Baker Fallatah

    Citation: Bulletin of the National Research Centre 2019 43:122

    Content type: Research

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  15. Zinc deficiency in children with cholestatic liver diseases could affect growth and immunity. Zinc supplementation is one of the strategies to prevent the consequences of zinc deficiency in children. We aimed ...

    Authors: Nehal Abdelhamid, Aliaa Wahby and Manal E. Kandil

    Citation: Bulletin of the National Research Centre 2019 43:121

    Content type: Research

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  16. The application of the free radical nitric oxide (NO) donors (arginine and sodium nitroprusside) have protective effects on plants in alleviating salinity stress throughout improving the enzymatic activities o...

    Authors: Amany A. Ramadan, Ebtihal M. Abd Elhamid and Mervat Sh. Sadak

    Citation: Bulletin of the National Research Centre 2019 43:118

    Content type: Research

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  17. Water deficit stress is considered as one of the most important environmental stresses which is more harmful to strategic crops, as it reduces the final crop yield by up to 40%. Therefore, the aim of this rese...

    Authors: Rasha Sabry Tawfik and Almoataz Bellah Ali El-Mouhamady

    Citation: Bulletin of the National Research Centre 2019 43:117

    Content type: Research

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  18. The function of cathelicidins-4 (CATH4) is not limited to microbial killing, but extends to other aspects of immunity and tissue repair. The presence of different CATH4 variants including intron retention affects...

    Authors: Ahlam A. Abou Mossallam, Soheir M. El Nahas, Esraa A. Balabel, El Hassan T. Shahwan and Noha M. Osman

    Citation: Bulletin of the National Research Centre 2019 43:116

    Content type: Research

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  19. The continuous spread of multidrug-resistant and new strains of disease-causing microbe have become a great concern to the world health community. There is therefore the need for the development of new and eff...

    Authors: Abiche Ekalu, Rachael Gbekele-Oluwa Ayo, James D. Habila and Ibrahim Hamisu

    Citation: Bulletin of the National Research Centre 2019 43:115

    Content type: Research

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  20. Description of goat populations in Egypt is necessary for providing information on common goat types and their characteristics and may be essential for the pointing and accomplishment of any intervention strat...

    Authors: S. Abd-Allah, M. I. Mohamed, M. M. Shoukry, Fatma M. Salman and H. H. Abd- El Rahman

    Citation: Bulletin of the National Research Centre 2019 43:114

    Content type: Research

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  21. Somatic embryogenesis is one of the most popular in vitro regeneration methods for mass micropropagation. In the present study, somatic embryogenesis via zygotic embryos was studied in Asparagus racemosus Willd. ...

    Authors: Juhi Chaudhary and Prem Kumar Dantu

    Citation: Bulletin of the National Research Centre 2019 43:113

    Content type: Research

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  22. Phenolic compounds are low molecular compounds present in all tissues of higher plants and play an important role in plant development. A field experiment was carried out during two winter seasons 2014/2015 an...

    Authors: Mona G. Dawood, Mervat Sh. Sadak, Bakry A. Bakry and Mohamed F. El Karamany

    Citation: Bulletin of the National Research Centre 2019 43:112

    Content type: Research

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  23. The mechanical properties of Mn-Cr ferrite of different compositions are important for industrial applications in everyday life. Ferrites are used in electric choke coils, electric transformers, and many other...

    Authors: M. H. Abdellatif and A. A. Azab

    Citation: Bulletin of the National Research Centre 2019 43:111

    Content type: Research

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  24. High temperature is a crucial problem in growing good crops of high temperature sensitive vegetables including tomato. Therefore, this study was carried out to investigate the effects of pre-sowing heat treatm...

    Authors: Sohair K. Ibrahim and Lulwa A. El- Muqadam

    Citation: Bulletin of the National Research Centre 2019 43:110

    Content type: Research

    Published on:

  25. Both inflammation and oxidative stress (OS) stimulate each other and act together in providing defense against recurrent vulvovaginal infections (RVVI). Both processes are in such a tight link, that defect in ...

    Authors: Namarta Kalia, Manpreet Kaur, Sujata Sharma and Jatinder Singh

    Citation: Bulletin of the National Research Centre 2019 43:109

    Content type: Research

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  26. Alzheimer’s disease (AD) is a chronic neurodegenerative disease for which there are no effective pharmaceutical drugs; their action is restricted only to symptomatic relief. Recently, it was evidenced that the...

    Authors: Ghadha Ibrahim Fouad and Maha Zaki Rizk

    Citation: Bulletin of the National Research Centre 2019 43:108

    Content type: Review

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  27. The main objectives of this study were to compare two in vitro selection procedures for developing drought-tolerant cell lines from rice cultivars, regenerate plants from the selected cells, and use the random...

    Authors: Adel Elshafei, Mohamed Barakat, Sanaa Milad, Sabry Khattab and Muhammad Al-mutlaq

    Citation: Bulletin of the National Research Centre 2019 43:107

    Content type: Research

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  28. Breeding programs need to work with magnitudes of genetic variation in order to achieve the best results. In this study, we have estimated the genetic diversity and evaluated the field performance of 18 faba b...

    Authors: Adel Ahmed Mohamed Elshafei, Mohamed Abd Elaziz Amer, Magda Aly Mahmoud Elenany and Ahmed Gamal Abd Elhameed Helal

    Citation: Bulletin of the National Research Centre 2019 43:106

    Content type: Research

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  29. Grain amaranth (Amaranthus spp.) has been cultivated since ancient times in some countries in the world and it is one of the oldest food crops. At present, the crop has gained more importance in the plains of Ind...

    Authors: Mayuri J. Gelotar, Darshan T. Dharajiya, S. D. Solanki, N. N. Prajapati and Kapil K. Tiwari

    Citation: Bulletin of the National Research Centre 2019 43:103

    Content type: Research

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  30. Glucoamylase enzyme is one of the most important enzymes. It catalyzes the hydrolysis of starch into soluble sugars. It was covalently immobilized onto κ-carrageenan gel beads after activation by using polyeth...

    Authors: Mohamed E. Hassan, Qingyu Yang and Zhigang Xiao

    Citation: Bulletin of the National Research Centre 2019 43:102

    Content type: Research

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  31. Orobanche ramosa (Broomrape) is an obligate root parasite belonging to Orobanchaceae. It causes a great damage to tomato plants. Several attempts have been done in order to control this parasitic weed. So, the ai...

    Authors: Raafat Ragheb El-Masry, Ebrahim Roshdy El-Desoki, Mahmoud Ahmed Touny El-Dabaa, Nadia Khalil Messiha and Salah El-Din Abd-Elghany Ahmed

    Citation: Bulletin of the National Research Centre 2019 43:101

    Content type: Research

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  32. Pseudomonas aeruginosa and Streptococcus pyogenes are the most common pathogens to humans and are able to form a biofilm following ineffective precautionary approach. Biofilm is defined as a surface-attached comm...

    Authors: Mohammad Abdulraheem Al-kafaween, Abu Bakar Mohd Hilmi, Norzawani Jaffar, Hamid Ali Nagi Al-Jamal and Mohd Khairi Zahri

    Citation: Bulletin of the National Research Centre 2019 43:100

    Content type: Letter to the Editor

    Published on:

  33. In recent years, the development of efficient and green route to synthesis metal nanoparticles has gained considerable attention in various areas of nanotechnology. Among metal nanoparticles, silver nanopartic...

    Authors: Mohamed E. I. Badawy, Tesby M. R. Lotfy and Samar M. S. Shawir

    Citation: Bulletin of the National Research Centre 2019 43:83

    Content type: Research

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  34. In the face of climate change and global warming, scientists globally are striving for effective techniques on how best to sequester carbon in order to reduce global warming and achieve environmental sustainab...

    Authors: Chukwuebuka C. Okolo, Girmay Gebresamuel, Abeba N. Retta, Amanuel Zenebe and Mitiku Haile

    Citation: Bulletin of the National Research Centre 2019 43:99

    Content type: Review

    Published on:

  35. One of the important by-products is sesame seed meal; it is a by-product of sesame seed pressing. Sesame oil cake or meal is a relatively good source of crude protein which can replace part of basic ingredient...

    Authors: Hamed A. A. Omer, Sawsan M. Ahmed, Soha S. Abdel-Magid, Bakry A. Bakry, Mohamed F. El-Karamany and Eman H. El-Sabaawy

    Citation: Bulletin of the National Research Centre 2019 43:98

    Content type: Research

    Published on:

  36. Sperm-mediated gene transfer (SMGT) is a technique that utilizes the ability of the spermatozoa to take up exogenous DNA. Growth hormone is anabolic hormone that plays an important role in muscle-building proc...

    Authors: Waleid Mohamed El-Sayed Shakweer, Yassien Mohamed Hafez, Ashraf El-Sayed, Sherif Mohamed Dessouki, Ibrahim Mohamed Awadalla and Mamdouh Ibrahim Mohamed

    Citation: Bulletin of the National Research Centre 2019 43:96

    Content type: Research

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  37. A highly sensitive sensor for the electrochemical determination of an antidiabetic drug Linagliptin (LG) was constructed using carbon paste electrode (CPE) modified with iron oxide nanoparticles (Fe2O3NPs). The e...

    Authors: Manal A. El-Shal, Shereen M. Azab and Hassan A. M. Hendawy

    Citation: Bulletin of the National Research Centre 2019 43:95

    Content type: Research

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  38. Spathiphyllum is one of the best plants for indoor gardening as it is a rhizome and undemanding of light care. It is a member of lily family (Araceae). The plant itself should live for 10 years or more if not mal...

    Authors: Sami A. Metwally, R. M. Shoaib, Kh. I. Hashish and Tarek A. El-Tayeb

    Citation: Bulletin of the National Research Centre 2019 43:94

    Content type: Research

    Published on:

  39. Tomato crop is the first vegetable crop in Egypt; it covers about 3% of Egypt’s total planted area. The tomato leaf miner Tuta absoluta is a polyphagous insect pest which feeds on several solanaceous plant specie...

    Authors: Hussein Sameir Salama, Ibrahim El-Sayed Shehata, Ibrahim Mohamed Ebada, Mohamed Fouda and Ismail Abd El-Khaleik Ismail

    Citation: Bulletin of the National Research Centre 2019 43:93

    Content type: Research

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  40. Stored-product insect pests are responsible for considerable quantitative and qualitative losses of agricultural products mainly cereals and legumes. The confused flour beetle Tribolium confusum and the cowpea we...

    Authors: Samar Sayed Ibrahim and Nagwa Yousef Salem

    Citation: Bulletin of the National Research Centre 2019 43:92

    Content type: Research

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  41. Black root rot is a complex disease caused by one or more of fungal pathogens especially Rhizoctonia solani and Fusarium solani. It is a serious, yield-limiting disease of strawberry plants. A considerable incide...

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

    Citation: Bulletin of the National Research Centre 2019 43:91

    Content type: Research

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  42. The economic growth and social interaction of many developing countries have been enhanced by vehicular transportation. However, this has come with considerable environmental cost. The vehicular emissions of g...

    Authors: Ufere N. Uka, Ebenezer J. D. Belford and Jonathan N. Hogarh

    Citation: Bulletin of the National Research Centre 2019 43:90

    Content type: Research

    Published on:

  43. Dielectric properties and ac conductivity were studied and correlated with the structure of a series of YBCO ceramic, doped with different doping levels ranging from 0.1 to 0.5 wt.% of magnetic nano-metal oxid...

    Authors: A. H. Salama, A. M. Youssef, Y. S. Rammah and M. El-Khatib

    Citation: Bulletin of the National Research Centre 2019 43:89

    Content type: Research

    Published on:

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