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  1. Heavy metals have dangerous effect on the biota. So, this work aimed to determine the mobility and bioavailability of these metals through the application of pollution indices and geochemical fractionation tec...

    Authors: Ahmed S. A. Asmoay, Salman A. Salman, Amr M. El-Gohary and Hassan S. Sabet

    Citation: Bulletin of the National Research Centre 2019 43:88

    Content type: Research

    Published on:

  2. Brassica species have been established to have very high concentrations of glucosinolates, flavonols, and other secondary metabolites that achieved good results in weed management strategy. So, this study high...

    Authors: Mona Adel El-Wakeel, Ebrahim Roushdi El-Desoki and Salah El-Din Abd El-Ghany Ahmed

    Citation: Bulletin of the National Research Centre 2019 43:87

    Content type: Research

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  3. Lymnaea natalensis is the snail intermediate host for Fasciola spp. parasites. The purpose of the present investigation is to detect the different trematodes’ larval stages in this snail from three rural localiti...

    Authors: Amina M. Ibrahim and Amira Kamal Ahmed

    Citation: Bulletin of the National Research Centre 2019 43:86

    Content type: Research

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  4. Genetic stability is considered one of the most important genetic tests used to ascertain the extent of genetic stability reached in plants; consequently, the goal of this research is to detect the degree of g...

    Authors: Magdy Ahmad Al-kordy, Hayam Fouad Ibrahim, Almoataz Bellah Ali El-Mouhamady and Hamdy Mahmoud Abdel-Rahman

    Citation: Bulletin of the National Research Centre 2019 43:85

    Content type: Research

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  5. Nanotechnology introduces smart agricultural products which may be a milestone in solving many common economic and ecological issues. Nano-fertilizers show unique characters which do not exist in their convent...

    Authors: Neama Mohamed Marzouk, Hanaa Ali Abd-Alrahman, Ahmed Mohamed Mohamed EL-Tanahy and Sami Hosni Mahmoud

    Citation: Bulletin of the National Research Centre 2019 43:84

    Content type: Research

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  6. Lipases are serine hydrolases that degrade triglycerides, an attribute that treasures wide applications in biodiesel production, detergent, chemical industries, etc. The most sought after the application is in...

    Authors: Ashutosh Nema, Sai Haritha Patnala, Venkatesh Mandari, Sobha Kota and Santhosh Kumar Devarai

    Citation: Bulletin of the National Research Centre 2019 43:82

    Content type: Research

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  7. Flax (Linum usitatissimum L.) is an economic crop which has a dual purpose, for seeds and fibers. Biofertilizers have a significant effect on several metabolic processes; enhance plant growth and development via ...

    Authors: Mona G. Dawood, Mervat Sh. Sadak, Maha Mohamed Shater Abdallah, Bakry A. Bakry and Osama M. Darwish

    Citation: Bulletin of the National Research Centre 2019 43:81

    Content type: Research

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  8. For the purpose of environmental safety, many essential oils were recommended in many Integrated Pest Management (IPM) programs to protect plants from insect’s infestations and have few effects on non-target o...

    Authors: Magda Mahmoud Sabbour and Shadia El-Sayed Abd El-Aziz

    Citation: Bulletin of the National Research Centre 2019 43:80

    Content type: Research

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  9. The potato tuber moth (PTM), Phthorimaea operculella (Zeller) (Lepidoptera: Gelechiidae), is an important storage pest of potato (Solanum tuberosum L.) in Saudi Arabia and Egypt. Infestation in the store starts m...

    Authors: Aziza Mohamed Fouad Sharaby and Sahar Baker Fallatah

    Citation: Bulletin of the National Research Centre 2019 43:79

    Content type: Research

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  10. Antibiotic resistance occurs rapidly and naturally. However, the misuse of antibiotics is accelerating the process. And therefore, exploring new antibiotics has been a great demand in order to save people’s li...

    Authors: Dina H. Amin, Assem Abolmaaty, Chiara Borsetto, Sahar Tolba, Nagwa A. Abdallah and Elizabeth M. H. Wellington

    Citation: Bulletin of the National Research Centre 2019 43:78

    Content type: Research

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  11. Corn stalk as low quality roughage is high in lignocellulytic materials and low in readily available carbohydrates and nitrogen as well as several minerals. Intake and utilization of it can be increase by appl...

    Authors: Roshdy I. El-Kady, Ashraf A. A. Morad, Abdelmegid A. Abedo and Ali A. El-Shahat

    Citation: Bulletin of the National Research Centre 2019 43:77

    Content type: Research

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  12. Wood identification is extremely important in the modern forest industry. Teak (Tectona grandis L. family verbanaceae), Black Rosewood (Dalbergia latifolia L. family Fabaceae), and Ben Teak (Lagerstroemia lanceol...

    Authors: Tanzeem Fatima, Ashutosh Srivastava, P. V. Somashekar, Vageeshbabu S. Hanur and M. Srinivasa Rao

    Citation: Bulletin of the National Research Centre 2019 43:76

    Content type: Research

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  13. Land snails, especially the chocolate banded snails, Eobania vermiculata are destructive pests of a wide range of field and vegetable crops. New pesticides in different pesticides groups were used against the adu...

    Authors: Mona A. Hussein and Al-Kazafy H. Sabry

    Citation: Bulletin of the National Research Centre 2019 43:75

    Content type: Research

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  14. Moringa oleifera is a small tree used in human nutrition and medical proposes because it contains some components such as protein, vitamins, fatty acids, nutrients, and phenolic components; the new literature ind...

    Authors: Aisha M. A. Ahmed, Iman M. Talaat and Khalid A. Khalid

    Citation: Bulletin of the National Research Centre 2019 43:74

    Content type: Research

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  15. Musca domestica is the most common flies all over the world. More than 100 pathogens may cause diseases in human and animals. Houseflies transmitted helminthic eggs, protozoa cysts and trophozoites, bacteria fung...

    Authors: Ragaa Issa

    Citation: Bulletin of the National Research Centre 2019 43:73

    Content type: Review

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  16. Imbalance between protein synthesis and endoplasmic reticulum (ER) capacity to modify and fold proteins lead to the accumulation of unfolded proteins resulting in ER stress and apoptosis. Chaperones are major ...

    Authors: Amany Abdel-Ghaffar, Ghada G. Elhossary, Atef M. Mahmoud, Amany H. M. Elshazly, Olfat A. Hassanin, Anisa Saleh, Sahar M. Mansour, Fatma G. Metwally, Laila K. Hanafy, Sawsan H. Karam, Hager E. Amer, Nadia A. Samy and Ahmed Mostafa Ata

    Citation: Bulletin of the National Research Centre 2019 43:71

    Content type: Research

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  17. The problem of heavy metal contamination is a global issue, and the challenge is to develop methods to remove heavy metals from soil and water. Recently, biosurfactants are one of the compounds that provide an...

    Authors: Eman Z. Gomaa and Rasha M. El-Meihy

    Citation: Bulletin of the National Research Centre 2019 43:69

    Content type: Research

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  18. Although North Sinai Governorate has a comparative advantage in the production of some crops as olive crop, which generates a distinct economic return, whether marketed locally or exported. This governorate oc...

    Authors: Tamer Gamal Ibrahim Mansour, Mohamed Abo El Azayem, Nagwa El Agroudy and Salah Said Abd El-Ghani

    Citation: Bulletin of the National Research Centre 2019 43:68

    Content type: Research

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  19. Faba bean weeds are considered as serious pests that lead to pronounced damages to its agricultural production since they consume water and nutrients from the soil, reducing not only the yield but also the qua...

    Authors: R. R. El-Masry, S. A. A. Ahmed, Kowther G. El-Rokiek, Nadia K. Messiha and Sanaa A. Mohamed

    Citation: Bulletin of the National Research Centre 2019 43:67

    Content type: Research

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  20. Two lipid synthesis inhibitors compounds (spiromesifen SPM and spirotetramat SPT) were used against the second instar larvae of cotton leaf worm, Spodoptera littoralis under laboratory condition. Toxicity of both...

    Authors: Ragaei M. Abdel-Fatah, Samy M. Mohamed, Atef A. Aly and Al-Kazafy H. Sabry

    Citation: Bulletin of the National Research Centre 2019 43:65

    Content type: Research

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  21. Due to the fact that chemical nematicides frequently cause environmental pollution and toxic hazards to human, plants, and domestic animals, certain biocontrol agents of environmentally and toxicologically saf...

    Authors: Hassan Abd-El-Khair, Wafaa M. A. El-Nagdi, Mahmoud M. A. Youssef, Mahfouz M. M. Abd-Elgawad and Mona G. Dawood

    Citation: Bulletin of the National Research Centre 2019 43:64

    Content type: Research

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  22. Essential oils, especially Ocimum basilicum and Eucalyptus globulus oils were among the most important oils that contain active ingredients which have fumigant repellent activity against insects in stores. The Su...

    Authors: Ahmed Mohamed Ezzat Abd El-Salam, Sadek Abd elwahed Salem and Ragab Shaker Abdel-Rahman

    Citation: Bulletin of the National Research Centre 2019 43:63

    Content type: Research

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  23. Two field experiments were carried out in Researches and Production Station of National Research Centre, Al-Nubaria District, Al Behaira Governorate, Egypt. To study the effect of indole acetic acid (IAA) and ...

    Authors: Mohamed Farouk El Karamany, Mervat Shamoon Sadak and Bakry Ahmed Bakry

    Citation: Bulletin of the National Research Centre 2019 43:61

    Content type: Research

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  24. Cholesterol removal by isolated Lactococcus lactis subsp. lactis was investigated in vitro. The studied mechanisms were (1) assimilation of cholesterol by growing bacterial cells, (2) deconjugation of bile salts ...

    Authors: Mohamed G. Shehata, Malak A. El-Sahn, Sobhy A. El Sohaimy and Mohamed M. Youssef

    Citation: Bulletin of the National Research Centre 2019 43:60

    Content type: Research

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  25. Chitin and chitosan are natural biopolymers found in shell of crustaceans, exoskeletons of insects and mollusks, as well as in the cell walls of fungi. These biopolymers have versatile applications in various ...

    Authors: Mostafa M. Abo Elsoud and E. M. El Kady

    Citation: Bulletin of the National Research Centre 2019 43:59

    Content type: Review

    Published on:

  26. The type of dyes used in textile industries are synthetic dyes which are toxic and cause harm to the aquatic ecosystem; in this paper, adsorptive removal of dye Color Index Acid Orange 67 pollutant from aqueou...

    Authors: Nora Mohamed Hilal, Nagwa Abdelfattah Badawy, Omaima Ibrahim Mostafa and Heba Mohamed Elrefay

    Citation: Bulletin of the National Research Centre 2019 43:58

    Content type: Research

    Published on:

  27. Cotton is one of the most important industrial crops in Egypt and worldwide. During its growth stages, cotton is threatened by several pests including aphids (Aphis gossypii Glover) and whiteflies (Bemisia tabaci

    Authors: Abd El-Hakeem El-Dmerdash El-Sherbeni, Mohamed Sengab Khaleid, Sabry Abd El All AbdAllah and Ola Saber Mohammed Ali

    Citation: Bulletin of the National Research Centre 2019 43:57

    Content type: Research

    Published on:

  28. Ten improved upland rice lines presently grown in dry upland rice field of Jharkhand, Odisha, and Bengal, the three most significant rice yielding states of eastern India, were screened under varying induced w...

    Authors: Runam Kumari, Debapriya Choudhury, Sayani Goswami and Narottam Dey

    Citation: Bulletin of the National Research Centre 2019 43:56

    Content type: Research

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  29. In a 42-day feeding trial, the effects of processed cocoa pod husk (PCHM) inclusion in a broiler chicken diet were assessed.

    Authors: Samuel A. Adeyeye, Simeon O. Ayodele, Olugbenga D. Oloruntola and Johnson O. Agbede

    Citation: Bulletin of the National Research Centre 2019 43:54

    Content type: Research

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  30. The depletion of fossil fuel and its huge environmental problem are currently a concern for a scientific community in the area of energy engineering. This opened research opportunities for searching alternate ...

    Authors: Bahiru Tsegaye, Chandrajit Balomajumder and Partha Roy

    Citation: Bulletin of the National Research Centre 2019 43:51

    Content type: Review

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  31. There is a growing demand for remedies from natural sources to substitute synthetic therapeutic drugs and minimize their side effects and toxicity. The present study aims to evaluate the defensive ability of a...

    Authors: Mir Ajaz Akram, Manju Tembhre, Ruqaya Jabeen, Shah Khalid, Muzafar Ahmad Sheikh, Aasia Jan, Umer Farooq and Mohmad Amin

    Citation: Bulletin of the National Research Centre 2019 43:50

    Content type: Research

    Published on:

  32. Following publication of the original article (Abou El-Anwar et al. 2019), the authors reported two errors in the Reference.

    Authors: E. A. Abou El-Anwar, H. S. Mekky, S. A. Salman, A. A. Elnazer, W. Abdel Wahab and A. S. Asmoay

    Citation: Bulletin of the National Research Centre 2019 43:49

    Content type: Correction

    Published on:

    The original article was published in Bulletin of the National Research Centre 2019 43:30

  33. The expected deficit of the Egyptian share of the River Nile budget with the construction of the Renaissance Dam in Ethiopia necessitates a proper utilization of the water resources in the Nile Valley. The pre...

    Authors: Hanaa A. Megahed and Abd El-Hay A. Farrag

    Citation: Bulletin of the National Research Centre 2019 43:48

    Content type: Research

    Published on:

  34. Renal replacement therapy, either by transplantation or dialysis, is not accessible in many parts of the world because of lack of financial and clinical resources. This study was performed to investigate the n...

    Authors: Alshaimaa M. Said, Shimaa A. E. Atwa and Olla A. Khalifa

    Citation: Bulletin of the National Research Centre 2019 43:47

    Content type: Research

    Published on:

  35. The cotton leafworm, Spodoptera littoralis (Boisd.), is one of the most dangerous pests in Egypt and Africa, causing significant economic loss of cotton crop yield. The frequent use of insecticides to control thi...

    Authors: Khaled Sayed Ahmed, Wafai Z. A. Mikhail, Hassan M. Sobhy, Eman Mohamed Mostafa Radwan and Taher A. Salaheldin

    Citation: Bulletin of the National Research Centre 2019 43:46

    Content type: Research

    Published on:

  36. This study aimed to investigate the possibility of producing broiler meat rich in long-chain n-3 polyunsaturated fatty acids especially eicosapentaenoic acid (EPA, C20:5 n-3) and docosahexaenoic acid (DHA, C22...

    Authors: Laila D. Abd El-Samee, I. El-Wardany, S. A. Abdel-Fattah, Nafisa A. Abd El-Azeem and M. S. Elsharkawy

    Citation: Bulletin of the National Research Centre 2019 43:45

    Content type: Research

    Published on:

  37. Broad bean (Vicia faba L.) is considered one of the most essential food crops in Egypt. Aphis fabae Scop. (Homoptera: Aphididae) causes a considerable damage to bean plants as well as to other leguminous crops. T...

    Authors: Ragab Shaker Abdel-Rahman, Ismail Abd elkhalek Ismail, Tarik Abdelhalim Mohamed, Mohamed Elamir F. Hegazy and Khaled Abdelhady Abdelshafeek

    Citation: Bulletin of the National Research Centre 2019 43:44

    Content type: Research

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  38. Gerga district contains different activities, urban, agriculture, and industry, which can impact adversely on the soil quality. Sixteen samples of the agricultural soil (0–30-cm depth) were collected to invest...

    Authors: Ibrahim Said, Salman A. Salman and Ahmed A. Elnazer

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

    Content type: Research

    Published on:

  39. Soil pollution negatively impacts on food safety and human health. The main aim of this work is to determine the As, Cd, Cr, Cu, and Pb concentrations in Orabi farms, El Obour city, Egypt. The contamination of...

    Authors: Salman A. Salman, Salah A. M. Zeid, El-Montser M. Seleem and Mahmoud A. Abdel-Hafiz

    Citation: Bulletin of the National Research Centre 2019 43:42

    Content type: Research

    Published on:

  40. The geochemical investigation of agricultural soil is a great demand because of its help in the characterization of soil and its suitability for cultivation. The urbanization, cultivation, and industrial activ...

    Authors: E. A. Abou El-Anwar, H. S. Mekky, W. Abdel Wahab, A. S. Asmoay, A. A. Elnazer and S. A. Salman

    Citation: Bulletin of the National Research Centre 2019 43:41

    Content type: Research

    Published on:

  41. Genome-wide association studies have identified novel genes related to coronary artery disease (CAD). These studies have been replicated in distinct ethnic populations, returning inconsistent results. Our work...

    Authors: Rasha Nazih Yousef, Solaf Ahmed Kamel, Nehal Salah Hasan, Mona Awad, Hesham Gamal, Nevine Ibrahim Musa and Mona Hamed Farag

    Citation: Bulletin of the National Research Centre 2019 43:40

    Content type: Research

    Published on:

  42. Vitamin D deficiency was hypothesized to increase the risk of respiratory infections and asthma exacerbation through a reduced production of cathelicidin, a multifunctional anti-microbial peptide essential for...

    Authors: Hanan M. Hamed, Ayat A. Motawie, Amany M. Abd Al-Aziz, Amal A. Abou El-Ezz, Mona A. M. Awad and Rasha Nazih Yousef

    Citation: Bulletin of the National Research Centre 2019 43:39

    Content type: Research

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  43. The use of nanotechnology can ensure food security via improving crop production. Nanoparticles have the ability to enhance growth and yield of different plants such as fenugreek (Trigonella foenum-graecum) (Faba...

    Authors: Mervat Sh Sadak

    Citation: Bulletin of the National Research Centre 2019 43:38

    Content type: Research

    Published on:

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