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  1. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. 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
  34. 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
  35. 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
  36. 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
  37. 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
  38. 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
  39. 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
  40. 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
  41. 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
  42. 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
  43. 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

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