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  1. The reoccurrence of the resistant strains of Mycobacterium tuberculosis to available drugs/medications has mandated for the development of more effective anti-tubercular agents with efficient activities. Therefor...

    Authors: Shola Elijah Adeniji, David Ebuka Arthur, Mustapha Abdullahi and Olajumoke Bosede Adalumo
    Citation: Bulletin of the National Research Centre 2020 44:132
  2. Osteogenesis and angiogenesis are two closely correlated processes during bone growth, development, remodeling, and repair. Vascular endothelial growth factor (VEGF) is an essential mediator during the process...

    Authors: Asmaa A. M. Rady, Soha M. Hamdy, Mohamed A. Abdel-Hamid, Marwa G. A. Hegazy, Shadia A. Fathy and Amany A. Mostafa
    Citation: Bulletin of the National Research Centre 2020 44:131
  3. Helminthiasis infestation is one of the most widespread and severe public health problems in the world. These parasites cause several diseases like anemia, malnutrition, pneumonia, eosinophilia, and malaria. T...

    Authors: Kalpesh B. Ishnava and Karishma S. Patel
    Citation: Bulletin of the National Research Centre 2020 44:130
  4. Culex mosquitoes are a major vector of public health importance and have been implicated for the transmission of some parasitic diseases such as lymphatic filariasis and West Nile virus. It has also been repor...

    Authors: Michael Olarewaju Akintan and Joseph Onaolapo Akinneye
    Citation: Bulletin of the National Research Centre 2020 44:129
  5. This work was carried out through 2017 and 2018 seasons on tow olive cultivars (Kalmata and Manzanillo). Trees were 15 years old, grown in sandy soil, planted at 5 × 5 m apart, and irrigated with saline water ...

    Authors: Laila F. Hagagg, Mohamed A. Merwad, Mohamed M. F. Shahin and Eman S. El-Hady
    Citation: Bulletin of the National Research Centre 2020 44:128
  6. The physico-chemical properties along with the insecticidal potency of seven non-traditional insecticides from different classes compared with three conventional insecticides were assessed versus Tuta absoluta (M...

    Authors: Mohamed Abdel-Hady Kandil, Elham Ahmed Sammour, Nahed Fawzy Abdel-Aziz, Essam Abd El Maguied Agamy, Ahmed Mohamed El-Bakry and Nasr Mohamed Abdelmaksoud
    Citation: Bulletin of the National Research Centre 2020 44:126
  7. An amendment to this paper has been published and can be accessed via the original article.

    Authors: Mohammad A L-Bahy M. Gamal Reda, Ashraf E L-Sherbiny Abd EL-Hady, Hassan Kawashty Gad, Mohammad Abd E L-Hady M. Aboelmakarem, Amir Abdel-Ghaffar Mohammady Nowar and Haytham Khalifa Hegazy
    Citation: Bulletin of the National Research Centre 2020 44:125

    The original article was published in Bulletin of the National Research Centre 2020 44:56

  8. Strobilanthes kunthiana (Nees) T. Anderson ex Benth locally known as Neelakurinji is an endemic to Western Ghat, India and belongs to the Acanthaceae family. It has a unique flowering pattern to bloom every 12 ye...

    Authors: Soumen Bera, Sibsankar Das and Dharmadas Kalindi
    Citation: Bulletin of the National Research Centre 2020 44:124

    The Correction to this article has been published in Bulletin of the National Research Centre 2020 44:145

  9. Tomato crop, Lycopersicon esculentum L. (Solanaceae), usually attacked by many insect species, including the tomato leafminer, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae), where its larvae cause damage up ...

    Authors: Nasr Mohamed Abdelmaksoud, Nahed Fawzy Abdel-Aziz, Elham Ahmed Sammour, Essam Abd El Maguied Agamy, Ahmed Mohamed El-Bakry and Mohamed Abdel-Hady Kandil
    Citation: Bulletin of the National Research Centre 2020 44:123
  10. Two cultivars (Balady and Dukat) of dill plants were grown in the Experimental Farm Station of Agriculture Faculty, Cairo University, during two seasons of 2014/2015 and 2015/2016. This investigation aims to d...

    Authors: Shaimaa I. M. Elsayed, A. A. Glala, Aboelfetoh M. Abdalla, Abd El Ghafour A. El-Sayed and Mona A. Darwish
    Citation: Bulletin of the National Research Centre 2020 44:122
  11. Geometrical designs of nickel-titanium (NiTi) rotary instruments have a considerable influence on their mechanical performance, and thereby have the tendency to fracture.

    Authors: Manar Galal and Tamer M. Hamdy
    Citation: Bulletin of the National Research Centre 2020 44:121
  12. The insecticidal activities of essential oils from seeds of five botanicals Tetrapleura tetraptera, Annona muricata, and Aframomum melegueta and leaves of Eucalyptus globulus and Ficus exasperata were evaluated a...

    Authors: Joy Ejemen Idoko and Kayode David Ileke
    Citation: Bulletin of the National Research Centre 2020 44:119
  13. This study aims to investigate the reproduction output of Archachatina marginata fed on roughage and concentrate feed with leaf meal-inclusive diets. One hundred fifty points of lay snails weighing between 150 an...

    Authors: Olatunji Abubakar Jimoh and Micheal Olawale Akinola
    Citation: Bulletin of the National Research Centre 2020 44:118
  14. Carbapenem antibiotics consider the primary treatment choice for serious Pseudomonas aeruginosa infection. Hence, the evolution of carbapenem resistance mediated by acquiring genes encoding class b enzymes is of ...

    Authors: Amr Mohamad Basha, Gamal M. El-Sherbiny and Mona I. Mabrouk
    Citation: Bulletin of the National Research Centre 2020 44:117
  15. The aim of this study was to compare the effect of different kinematics and operational temperature on cyclic fatigue resistance of Protaper Next, WaveOne Gold, and Twisted File Adaptive files in a static model.

    Authors: Amira Galal Ismail, Manar Galal and Mohamed Mokhtar Nagy
    Citation: Bulletin of the National Research Centre 2020 44:116
  16. Poultry semen cryopreservation remains an easy and promising way of preserving and transferring poultry germplasm. Standardizing and optimizing freezing procedure with natural extender may be a reliable step t...

    Authors: Adedeji Suleimon Balogun, Raman Narang, Ranjna S. Cheema, Ajeet Kumar, Narinder Singh and Malik Vijaysingh
    Citation: Bulletin of the National Research Centre 2020 44:115
  17. β-glucuronidase enzyme is mostly found in plants and animals. It plays a vital role in detoxification of reactive metabolites that are interrelated to several illnesses and the growth of colon cancer. It speed...

    Authors: Muhammad Tukur Ibrahim, Salisu Muhammad Tahir, Abdullahi Bello Umar and Usman Abdulfatai
    Citation: Bulletin of the National Research Centre 2020 44:114
  18. In the current years, nematotoxic or antagonistic compounds for example, toxins, enzymes, or compounds derived from the metabolites of fungal culture filtrates have greatly increased.

    Authors: Mahmoud M. A. Youssef, Wafaa M. A. El-Nagdi and Dalia E. M. Lotfy
    Citation: Bulletin of the National Research Centre 2020 44:112
  19. The confused flour beetles Tribolium confusum (Jacquelin) and red flour beetle Tribolium castaneum (Herbst) are widespread insects found in the stores and homes that attack many stored foods in several commoditie...

    Authors: Magda Mahmoud Amin Sabbour
    Citation: Bulletin of the National Research Centre 2020 44:111
  20. Understanding the mental foramen (MF) position and prevalence and location of the anterior loop (AL) is important during clinical and surgical procedures close to the mental foramen to avoid damage to the neur...

    Authors: M. Shalash, Maram E. Khallaf and A. R. Ali
    Citation: Bulletin of the National Research Centre 2020 44:110
  21. Amylases are amongst the most important hydrolytic enzymes that are used in numerous industrial uses reaching for food to pharmaceuticals. Immobilization of enzymes can proposal several assistances as reusabil...

    Authors: Nehad E. Ahmed, Aliaa R. El Shamy and Hassan M. Awad
    Citation: Bulletin of the National Research Centre 2020 44:109
  22. Given the strategic importance of wheat being the staple food for the vast majority of people, it was necessary to know reasons for the contraction and decline of its area globally and consequently its lower y...

    Authors: Almoataz Bellah Ali El-Mouhamady and Hayam Fouad Ibrahim
    Citation: Bulletin of the National Research Centre 2020 44:108
  23. “Chemically enhanced primary treatment” (CEPT) is an approach to wastewater treatment. It can be utilized as a specially designed step in “biological” secondary treatment processes. The aim of this study is to...

    Authors: Ghada A. Al Bazedi and Mona A. Abdel-Fatah
    Citation: Bulletin of the National Research Centre 2020 44:107
  24. Olive tree is one of the most important and a widely distributed tree grown in many arid and semi-arid areas of the world. The production of olive in these areas is generally low due to the poor soil fertility...

    Authors: Esmail A. E. Genaidy, Nazmy Abd-Alhamid, Hassan S. A. Hassan, Ahmed M. Hassan and Laila F. Hagagg
    Citation: Bulletin of the National Research Centre 2020 44:106
  25. Coleus (family Lamiaceae) is a popular garden ornamental plant known for its bright-colored foliage. The effective role of different plant growth regulators have been widely reported in plant cultivars (Singh A a...

    Authors: Rashad M. Shoaib, Sami I. Ali, Sami A. Metwally, Mohamed M. Ibrahim and Kamal A. Aboud
    Citation: Bulletin of the National Research Centre 2020 44:105
  26. The main objective of the present study was production of xylanase from different agricultural wastes using Chaetomium globosum on pomegranate waste, isolation of fungi associated with some legumes seeds, and stu...

    Authors: Sherien M. M. Atalla and Nadia G. El Gamal
    Citation: Bulletin of the National Research Centre 2020 44:104
  27. The effects of dietary monosodium glutamate (MSG) on the serum electrolyte balance and antioxidant status of broiler chickens were assessed. In five replicates, a total of 300-day-old unsexed Abor–acre broiler...

    Authors: Olumuyiwa Joseph Olarotimi
    Citation: Bulletin of the National Research Centre 2020 44:103
  28. Fruits are increasingly becoming important dietaries in Nigeria because of its nutritional importance and one of the most sliced fruits that are highly purchased in Nigeria today is watermelon. Nevertheless, c...

    Authors: Oluwole Olakunle Oladele and Omolola Comfort Aladesanmi
    Citation: Bulletin of the National Research Centre 2020 44:102
  29. This study evaluates the effects of storage periods (1, 4, 7, 10, and 13 days), egg size (small 60–64 g, medium 65–69 g, and large ≥ 70 g), and egg positioning with air cell facing either down or up during sto...

    Authors: Akinlolu Oluwafemi Ayeni, Johnson Oluwasola Agbede, Francis Adegbaye Igbasan, Gbenga Emmanuel Onibi and Muyiwa Adegbenro
    Citation: Bulletin of the National Research Centre 2020 44:101
  30. Garlic extract is a highly nutritive value extract; it contains large number of important enzymes and more than 200 biochemical compounds such as antioxidants and vitamins. Ascorbic acid and nicotinamide are c...

    Authors: Magda H. Mohamed, Elham A. Badr, Mervat Sh. Sadak and Howida H. Khedr
    Citation: Bulletin of the National Research Centre 2020 44:100
  31. The neurophysiological examination provides valuable pathophysiological information for the diagnosis, prognosis, and therapy of patients with polyneuropathy (Fuglsang- Fredriksen A., Pugdahl K. Clin Neurophys...

    Authors: Kamel Mahmoud Ali Hewedi, Mahmoud Abdelmoety Monzer, Khaled Mohammad Sobh, Mohammad Abdelhady M. Aboelmakarem, Amir Abdelghaffar Mohammady, Mahmoud Mohamad Hasan, Mohammad Fathi Abdulsalam and Suzette Ibrahim Ibrahim Ibrahim Helal
    Citation: Bulletin of the National Research Centre 2020 44:99
  32. Nanofertilizers have been provided a new efficient alternative to normal regular fertilizers. Nano-particles can help in increasing reactive points of these nanoparticles, which increases the absorption of the...

    Authors: Mervat Shamoon Sadak and Bakry Ahmed Bakry
    Citation: Bulletin of the National Research Centre 2020 44:98
  33. The objective of this study was to produce a least-cost ration from the use of fluted pumpkin leaf meal and bread waste in broiler chickens’ diets. Fluted pumpkin leaves (FPL) were sourced in Akure and its env...

    Authors: Muyiwa Adegbenro, Oluwafemi A. Ayeni, Johnson O. Agbede and Valentine A. Aletor
    Citation: Bulletin of the National Research Centre 2020 44:97
  34. Researches on compost introduced the evidence of its benefits to plant productivity and soil fertility. These advantages are noticed in forms of improving soil water holding capacity and nutrient availability ...

    Authors: Maha Mohamed-Shater Abdallah, Talaat N. El Sebai, Amany Abd El-Mohsen Ramadan and Hala Mohamed Safwat El-Bassiouny
    Citation: Bulletin of the National Research Centre 2020 44:96
  35. Bixa orellana L. is a plant native to Brazil but grows in other parts of the world including Bangladesh. This plant has been used for many years by indigenous people around the globe for a variety of applications...

    Authors: Sium Ahmed, Bilkis Mehrin Moni, Shawon Ahmed, Donald James Gomes and Abdullah Mohammad Shohael
    Citation: Bulletin of the National Research Centre 2020 44:95
  36. The freeze-thaw process results in structural and functional damages caused by over accumulation of reactive oxygen species (ROS). Addition of exogenous antioxidants to semen extender is of a great importance ...

    Authors: Reda Ibrahim El-Sheshtawy and Walid Said El-Nattat
    Citation: Bulletin of the National Research Centre 2020 44:94
  37. Natural products played an essential role as a complementary cytotoxic agent avoiding complications of other therapies. In phytoformulation research, herbal drugs of nano-size have attracted more attention for...

    Authors: Salma A. El-Sawi, Amal A. Maamoun, Alaa H. Salama and Ayman A. Farghaly
    Citation: Bulletin of the National Research Centre 2020 44:93
  38. Self-medication is defined as taking medications without the physician’s prescription. It is a worldwide public health problem, especially in countries with limited resources. Although self-medication can redu...

    Authors: Wael Zeid, Madeha Hamed, Nadia Mansour and Rokaya Diab
    Citation: Bulletin of the National Research Centre 2020 44:92
  39. Fabaceae is considered as the third largest family, which includes more than 727 genera and 20,000 species. The genus Vicia has from 180 to 210 species. Vicia species have a great economical and agricultural impo...

    Authors: Samira A. Osman, Hoda B. Ali, Zeinab M. El-Ashry and Soheir E. El-Khodary
    Citation: Bulletin of the National Research Centre 2020 44:91
  40. Paulownia tomentosa has been used as an ornamental plant and is still vastly used for this objective and can be utilized for the production of energy, wooden building materials, and paper pulp. The aim was to imp...

    Authors: Nora Muhammad Youssef, Khaled Ismail Hashish and Lobna Salah Taha
    Citation: Bulletin of the National Research Centre 2020 44:90
  41. Rice is probably one of the most indispensable grain diets for the greater part of the world. It can be grown successfully under a wide range of climatic conditions; however, yields can be significantly dimini...

    Authors: Beckley Ikhajiagbe and Ujomonigho Edomo Omoregie
    Citation: Bulletin of the National Research Centre 2020 44:89
  42. Lentil is an important source of food not only locally but globally. The importance of this legume crop is highlighted in light of the transport of strategic food sources such as wheat, maize, and rice due to ...

    Authors: Almoataz Bellah Ali El-Mouhamady, Abdul Aziz M. Gad and Ghada S. A. Abdel Karim
    Citation: Bulletin of the National Research Centre 2020 44:88
  43. Olive tree is very popular in the Mediterranean area because of its fruits and oil yields. Both of them are worldwide known by their beneficial health properties. Salicylic acid is naturally occurring as pheno...

    Authors: Laila F. Hagagg, Nazmy Abd-Alhamid, Hassan S. A. Hassan, Ahmed M. Hassan and Esmail A. E. Geanidy
    Citation: Bulletin of the National Research Centre 2020 44:87
  44. Recently, severe acute respiratory syndrome coronavirus 2 (SARS-COV-2), commonly known as coronavirus disease-2019 (COVID-19) has rapidly spread across China and around the world. By the declaration of WHO, CO...

    Authors: Manal A. Hamed
    Citation: Bulletin of the National Research Centre 2020 44:86
  45. This study focused on the antiplasmodial activities of two botanicals: Morinda lucida and Alstonia boonei used in malaria treatment. The in vivo activity of the plants against established Plasmodium berghei NK65 ...

    Authors: Olajide Joseph Afolabi and Adekemi Eunice Abejide
    Citation: Bulletin of the National Research Centre 2020 44:85
  46. Asthmatic bronchitis is a chronic allergic airway disease diagnosed after development of chronic obstructive pulmonary disease symptoms. This study was designed to reveal relation of the different electrophore...

    Authors: Wael M. Aboulthana, Marwa K. Darwish, Mohab H. Halim, Hatim A. El-Baz and Osama S. Ahmed
    Citation: Bulletin of the National Research Centre 2020 44:84
  47. The expansion of severe acute respiratory syndrome (SARS) coronavirus 2 (SARSCoV-2) has now procured on epidemic percentages, affecting more than 190 nations in a matter of weeks. A widespread SARSCoV-2 contag...

    Authors: Md. Abdullah-Al-Shafi
    Citation: Bulletin of the National Research Centre 2020 44:80

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