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  1. This filed work was conducted to describe the morphological features of Shami goats in subtropical areas in Egypt. The study covered Southern Sinai and Noubaria districts in Egypt. Data were collected from 30 ...

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

    Citation: Bulletin of the National Research Centre 2019 43:17

    Content type: Research

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  2. Biodiesel is a type of renewable energy, an ideal substitute for petroleum diesel fuel. The present study concerns about optimization of culture conditions for biodiesel production by Penicillium commune NRC2016.

    Authors: Sayeda A. Abdelhamid, Azhar A. Hussein, Mohsen S. Asker, Osama H. El Sayed and Saher S. Mohamed

    Citation: Bulletin of the National Research Centre 2019 43:15

    Content type: Research

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  3. Kima company is located east of the river Nile, 2.5 km south of Aswan City. The Quaternary sands and gravels represent the main groundwater aquifer in the area. It is mainly recharged from the river Nile seepa...

    Authors: Abd El-Hay A. Farrag, Hanaa A. Megahed and Mahmoud H. Darwish

    Citation: Bulletin of the National Research Centre 2019 43:14

    Content type: Research

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  4. Outbreaks of post-cataract surgery endophthalmitis are often due to infection with Gram-negative organisms including Pseudomonas aeruginosa, which usually has poor visual prognosis due to its virulence factors an...

    Authors: Amal Abo Elnour, Sahar Negm, Ahmed Ismail and Mostafa A. Elhusseiny

    Citation: Bulletin of the National Research Centre 2019 43:13

    Content type: Research

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  5. Phosphorus is one of the essential nutrients required for plant growth. Although it is moderately available in nature, it is a deficient nutrient in most soils especially calcareous soils. Phosphate rock (PR) ...

    Authors: Farid Hellal, Saied El-Sayed, Raafat Zewainy and Ahmad Amer

    Citation: Bulletin of the National Research Centre 2019 43:11

    Content type: Review

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  6. Biomass produced as a byproduct from the β-mannanase production process by Aspergillus tamarii NRC 3was evaluated as a biosorbent for the removal and recovery of some heavy metal ions.

    Authors: Abdelnaby Mahmoud Saad, Moataza Mahmoud Saad, Nevin Ahmed Ibrahim, Doaa El-Hadedy, Eman Ibrahim Ibrahim, Al Zahraa Karam El-Din and Helmy Mohamed Hassan

    Citation: Bulletin of the National Research Centre 2019 43:10

    Content type: Research

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  7. The purpose of this study is to evaluate the effect of green synthesized silver nanoparticles on post-harvest physiology of cut flower in relation to improvement of its vase life as well as keeping quality of ...

    Authors: Tilak Raj Maity, Aveek Samanta, Babita Saha and Siraj Datta

    Citation: Bulletin of the National Research Centre 2019 43:9

    Content type: Research

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  8. Statistics on cancer incidence and mortalities indicate that this disease still has a fatal outcome for a majority of patients due to non-sufficient treatment. The options available for cancer treatment includ...

    Authors: Ahmed R. Hamed, Nahla S. Abdel-Azim, Khaled A. Shams and Faiza M. Hammouda

    Citation: Bulletin of the National Research Centre 2019 43:8

    Content type: Review

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  9. Egypt is experiencing a revival of the strawberry cultivation backed by its Mediterranean climate, fertile soils, and geographic location which support high production and profitability of such a specialty cro...

    Authors: Mahfouz M. M. Abd-Elgawad

    Citation: Bulletin of the National Research Centre 2019 43:7

    Content type: Review

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  10. The European corn borer, Ostrinia nubilalis (Hüb.) (Lepidoptera: Crambidae), is an important pest that disturbs the economic yield of Egyptian crops especially the corn plant.

    Authors: Amany Ramadan Ebeid

    Citation: Bulletin of the National Research Centre 2019 43:6

    Content type: Research

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  11. For scavenging reactive oxygen species, plant possess effective system that protect them from destructive oxidative reaction. Parts of this system as osmoprotectants and antioxidative enzymes are key elements ...

    Authors: Mervat Shamoon Sadak, Hala Mohammed Safwat El-Bassiouny and Mona Gergis Dawood

    Citation: Bulletin of the National Research Centre 2019 43:5

    Content type: Research

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  12. Honey is a natural sweetener that is derived from the nectar, pollen, and resin of plants. It has been used as a folk medicine for decades. In addition to being an excellent therapeutic agent, honey possesses ...

    Authors: Fatima Ibrahim Jibril, Abu Bakar Mohd Hilmi and Lavaniya Manivannan

    Citation: Bulletin of the National Research Centre 2019 43:4

    Content type: Review

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  13. Eustoma grandiflorum is a new floral crop for the international flowers market, moderately cold-tolerant annual or biennial plant. A large number of seedlings can be produced by seed propagation but the quality i...

    Authors: Abou-Dahab M. Abou-Dahab, Tarek A. Mohammed, Amaal A. Heikal, Lobna S. Taha, Ahmed M. M. Gabr, Sami A. Metwally and Awatef I. R. Ali

    Citation: Bulletin of the National Research Centre 2019 43:3

    Content type: Research

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  14. Two field experiments were carried out at the Research and Production Station of the National Research Centre, Nubaria region, Behira Governorate, Egypt, during two winter seasons of 2014/2015 and 2015/2016. T...

    Authors: Y. R. Abdel-Baky, H. F. Abouziena, A. A. Amin, M. Rashad El-Sh and A. M. Abd El-Sttar

    Citation: Bulletin of the National Research Centre 2019 43:2

    Content type: Research

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  15. Due to the increased economic and social benefits of the strawberry crop yield in Egypt, more attention has been paid to control its pests and diseases. Leaf blight, caused by the fungus Phomopsis obscurans, is o...

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

    Citation: Bulletin of the National Research Centre 2019 43:1

    Content type: Research

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  16. In Egypt, like other developing countries, goats are prime resources of meat. So, selection of goats for superior growth rate is advantageous. Growth hormone (GH) is the main regulator of animal growth, and en...

    Authors: Karima Fathy Mahrous, Sekena H. Abdel-Aziem, Mohamed A. M. Abdel-Hafez, Mohamed Abdel-Mordy and Hossam E. Rushdi

    Citation: Bulletin of the National Research Centre 2018 42:35

    Content type: Research

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  17. The possibility of culturing Parmentiera cereifera in vitro was tested. Shoot tips and lateral buds were cultured in three media that were based on Murashige and Skoog (MS) but supplemented with different types a...

    Authors: Adel Ahmed Elshafei and Naglaa Mohamed Esmaiel

    Citation: Bulletin of the National Research Centre 2018 42:33

    Content type: Research

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  18. Fungi were grown elsewhere in the soil, water, and food, and fungi cause many of the problems during growth on food in stores. This study investigated the occurrence and frequency of fungi in four governorates...

    Authors: Hamid Moh Algabr, Amin Alwaseai, M. A. Alzumir, A. A. Hassen and S. A. Taresh

    Citation: Bulletin of the National Research Centre 2018 42:32

    Content type: Research

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  19. Amylases are among the most important enzymes which are of great significance for biotechnology and have almost completely replaced chemical hydrolysis of starch in the starch processing industry. The present ...

    Authors: Eman A. Elmansy, Mohsen S. Asker, Ebtsam M. El-Kady, Saadia M. Hassanein and Fawkia M. El-Beih

    Citation: Bulletin of the National Research Centre 2018 42:31

    Content type: Research

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  20. The aim of the current study based on the production and characterization of exopolysaccharides (EPSs) isolated from marine sediment of the Mediterranean and Red Seas is to study its cytotoxic activity against...

    Authors: Mohsen S. Asker, Osama H. El Sayed, Manal G. Mahmoud, Shaymaa M. Yahya, Sahar S. Mohamed, Manal S. Selim, Mohamed S. El Awady, Salma M. Abdelnasser and Mostafa M. Abo Elsoud

    Citation: Bulletin of the National Research Centre 2018 42:30

    Content type: Research

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  21. Recently, researchers demonstrate the importance of associated microorganisms as potential sources of bioactive natural products. Especially, marine-derived fungi consider a treasure of new pharmaceutical lead...

    Authors: Ahmed A. Hamed, Mohamed S. Abdel-Aziz and Faten K. Abd El Hady

    Citation: Bulletin of the National Research Centre 2018 42:29

    Content type: Research

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  22. Plantago spp. includes more than 200 species which had been used traditionally to treat many diseases including colds, hepatitis, and infectious diseases. The aim of this study is to evaluate carbohydrates and fi...

    Authors: Amal M. El-Feky, Marwa M. Elbatanony, Asmaa F. Aboul Naser and Manal A. Hamed

    Citation: Bulletin of the National Research Centre 2018 42:28

    Content type: Research

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  23. In Egypt, the area of Berseem was decreased and wheat area increased which lead to high price of rabbit rations. Using non-traditional feed led to decrease the cost of feeding. The main objective of this study...

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

    Citation: Bulletin of the National Research Centre 2018 42:27

    Content type: Research

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  24. Haemonchosis is a major parasitic disease in Egyptian sheep industry and its effect on production, animal wellbeing, and welfare is likely to increase. The present study recorded Haemonchus spp. hereditary divers...

    Authors: Omnia M. Kandil, Khaled A. Abdelrahman, Nagwa A. Eid, Lobna M. Elakabawy and Mohamed A. Helal

    Citation: Bulletin of the National Research Centre 2018 42:26

    Content type: Research

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  25. The idea of mixing different grades of diatomite ores with certain ratios to obtain blends with tailored minerals constitution that can help on improving their thermal insulation applicability is introduced in...

    Authors: T. S. Mansour, N. M. Abdallah, S. S. Ibrahim, S. B. Hanna and F. Z. Mahmoud

    Citation: Bulletin of the National Research Centre 2018 42:25

    Content type: Research

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  26. High alumina refractory batches were prepared from Egyptian clay and imported China calcined bauxite. Three concentrations of phosphoric acid 3, 5, and 7%, were added to study their effects on some of their te...

    Authors: Basel Nour El-Din Ali Shalaby, Mohamed Saad El-Maghraby and Ali Ismail Mohamed Ismail

    Citation: Bulletin of the National Research Centre 2018 42:24

    Content type: Research

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  27. Recently, actinomycetes have attracted the attention of researchers worldwide. They can produce secondary metabolites with antibacterial, antifungal, antiviral, and antitumoral properties.

    Authors: Ahmed A. Hamed, Mohamed S. Abdel-Aziz, Mohamed Fadel and Mohamed F. Ghali

    Citation: Bulletin of the National Research Centre 2018 42:22

    Content type: Research

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  28. Chronic hepatitis C virus (HCV) infection represents a global public health challenge, and new drugs have been authorized for its treatment. The current study aimed to detect the change in blood levels of tryp...

    Authors: Eman G. Behiry, Sara K. Mahmoud, Mohamed A. Swelim, Khaled A. El-dougdoug, Attia A. A. and Ahmed M. Hussein

    Citation: Bulletin of the National Research Centre 2018 42:21

    Content type: Research

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  29. Plant cell cultures have developed rapidly in recent years for the synthesis of selected natural products. This study was conducted to evaluate the effect of yeast extract, jasmonic acid, phenylalanine, and ty...

    Authors: Mohamed Ramadan Rady, Ahmed M. Aboul-Enein and Mona Mohamed Ibrahim

    Citation: Bulletin of the National Research Centre 2018 42:20

    Content type: Research

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  30. Evidence suggests that conventional antiepileptic drugs (AEDs) change the oxidative-antioxidative balance in epileptic children, so our aim of this study to evaluate the influence of the conventional AEDs valp...

    Authors: Hamed A. Elkhayat, Hanan M. Hamed, Mohamed G. Shouman, Iman A. Elagouza and Lamis H. Mekkawy

    Citation: Bulletin of the National Research Centre 2018 42:17

    Content type: Research

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  31. The emerging evolution of antibiotic and anthelmintic resistance and inefficiency of some synthetic drugs elicit the need to investigate new drug sources. In this context, Eucalyptus camaldulensis is an evergreen...

    Authors: Mosad A. Ghareeb, Mohamed R. Habib, Hanan S. Mossalem and Mohamed S. Abdel-Aziz

    Citation: Bulletin of the National Research Centre 2018 42:16

    Content type: Research

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  32. Type 1 diabetes mellitus (T1DM) is a chronic inflammatory disease concerning insulin-producing β-cells destroyed by the conjoined action of auto reactive T cells, inflammatory cytokines and monocytic cells. Re...

    Authors: Weaam Gouda, Lamiaa Mageed, Soha M. Abd El Dayem, Esmat Ashour and Mie Afify

    Citation: Bulletin of the National Research Centre 2018 42:14

    Content type: Research

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  33. Manipulation of functional dairy products and natural phytochemicals may be a good source of micronutrients for traditional therapies and improve the hypoglycemia. The objective of this study to find out the p...

    Authors: A M Abdel-Salam, M S Ismail, M M Farahna and H M Mousa

    Citation: Bulletin of the National Research Centre 2018 42:13

    Content type: Research

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  34. Insulin-producing cells differentiated from human mesenchymal stem cells demonstrate limited glucose-stimulated insulin secretion. Cytochrome P450 2J2 and its product epoxyeicosatrienoic acids regulate β-cell ...

    Authors: Loaa A. Tag Eldeen, Marow El Sheikh and Salwa Faisal

    Citation: Bulletin of the National Research Centre 2018 42:12

    Content type: Research

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  35. The vitamin D is involved in a wide variety of biological processes including bone metabolism, regulation of cell proliferation and differentiation. Variations in this endocrine system have, thus, been linked ...

    Authors: Gamila S. M. El-Saeed, Eman A. Elghoroury, Safaa Morsy, Hanan M. Aly and Hanaa Wafaey

    Citation: Bulletin of the National Research Centre 2018 42:11

    Content type: Research

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  36. As the copper ferrite gains more attention due to its unique electronic, thermal, and catalytic properties, the need to explore the mechanism of its formation is becoming a task to be studied.

    Authors: Eman Z Hegazy, Islam H Abd El-Maksod, Amal M Ibrahim and Shaymaa El-Sayed El-Shafay

    Citation: Bulletin of the National Research Centre 2018 42:9

    Content type: Research

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  37. Egyptian Upper Cretaceous waste clay samples from Yunis Mines, Qusseir vicinity, Eastern Desert, were investigated for their chemical and mineralogical compositions as well as for firing. These investigations ...

    Authors: Esmat Abu El-Anwar, Hamed Mekky, Wael Abdelwahab and Mohamed Elmaghraby

    Citation: Bulletin of the National Research Centre 2018 42:8

    Content type: Research

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  38. Luxor represented the modern Egyptian city that occupies the site of ancient Thebes. Thebes Mountain on the West Bank of the Nile, opposite the town of Luxor, is among the most famous historical sites of the w...

    Authors: Esmat A. Abou El-Anwar, H. S. Mekky and S. H. Abd El Rahim

    Citation: Bulletin of the National Research Centre 2018 42:7

    Content type: Research

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  39. Green synthesis as a technique of preparation of metal/metal oxide nanomaterials is becoming an important and competitive method of preparation replacing the conventional method of preparation. Among metal oxi...

    Authors: Amal M. Ibrahim, Ghaida H. Munshi and Laila M. Al-Harbi

    Citation: Bulletin of the National Research Centre 2018 42:6

    Content type: Research

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  40. The River Nile became under stress in the last decades from the different human (anthropogenic) activities. The present work dealt with the River Nile water quality from Qena to Sohag districts, Egypt. Sixty w...

    Authors: Ahmed A. Elnazer, Alaa Mostafa, Salman A. Salman, Elmontser M. Seleem and Ahmed Gab-Allah Al-Gamal

    Citation: Bulletin of the National Research Centre 2018 42:3

    Content type: Research

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  41. Screw loosening of a cement-retained, implant-supported fixed partial denture causes the abutment and restoration to be completely separated as one unit from the implant body. In such circumstances, drilling o...

    Authors: Asmaa N. Elboraey, Amani R. Moussa, Sherine A. Nasry and Mostafa I. Mostafa

    Citation: Bulletin of the National Research Centre 2018 42:1

    Content type: Case Report

    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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The NRC mission is to conduct basic and applied research within the major fields of interest in order to develop production and services sectors.

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