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  1. Carotenoids are natural pigments that are highly sensitive to light, heat, acids, oxygen, metals, and free radicals, which degrade the antioxidant activities of carotenoids. Microencapsulation techniques have ...

    Authors: Marco Antonio González-Peña, José Daniel Lozada-Ramírez and Ana Eugenia Ortega-Regules
    Citation: Bulletin of the National Research Centre 2021 45:58
  2. The growing number of cases, severity and fatality of the COVID-19 pandemic, coupled with the fact that no cure has been found has made infected individuals especially in Africa, to resort to the consumption o...

    Authors: Chidi Edbert Duru, Ijeoma Akunna Duru and Abayomi Emmanuel Adegboyega
    Citation: Bulletin of the National Research Centre 2021 45:57
  3. Oral lichen planus is a chronic inflammatory and immune-mediated disease that affects the oral mucosa. Recent findings have suggested that oral lichen planus is often associated with submucosal fibrotic change...

    Authors: Atsushi Shudo
    Citation: Bulletin of the National Research Centre 2021 45:56
  4. The development of powerful and flexible management addresses is due to the improvement of deeply reliable gadgets and the advancement of the concept of cellular. The cellular principle was a major way of solv...

    Authors: Yahia A. Zakaria, Ehab K. I. Hamad, A. S. Abd Elhamid and K. M. El-Khatib
    Citation: Bulletin of the National Research Centre 2021 45:54
  5. To evaluate the antibacterial effect of diode laser and photodynamic therapy using methylene blue dye when used alone or in combination with Moringa oleifera extract on root canal microbes. A total of 50 single r...

    Authors: Doaa M. Sadony, Maram E. Khallaf and Jackline Samir Kamal
    Citation: Bulletin of the National Research Centre 2021 45:53
  6. Botanical pesticides may be a possible solution to the post-harvest loss of stored grains faced by farmers and food processors. In this study, seed preservatives properties of Secamone afzelii leaves extracts at...

    Authors: J. M. Adesina and A. T. B. Aderibigbe
    Citation: Bulletin of the National Research Centre 2021 45:52
  7. Wheat is the most consumed cereal crops in the world infected by several pathogens and pests causing significant losses. The most threatening pathogens are fungi which cause serious diseases on roots, leaves a...

    Authors: Mohammed Hamza Abass, Qusai Hattab Madhi and Abdulnabi Abdul Ameer Matrood
    Citation: Bulletin of the National Research Centre 2021 45:51
  8. Managing menstrual hygiene in the least developed countries represents a significant obstacle for women and girls. Commonly dirty stuffs are used to control the menstrual cycle which causes many diseases, whil...

    Authors: Md. Moynul Hassan Shibly, Mohammad Anower Hossain, M. Forhad Hossain, Md Golam Nur and Mohammad Billal Hossain
    Citation: Bulletin of the National Research Centre 2021 45:50
  9. The Himalaya hotspot, habitat to numerous indigenous species, harbours an endemic and endangered, cucurbit climber Herpetospermum darjeelingense (C.B.Clarke) H.Schaef. & S.S.Renner [Edgaria darjeelingensis C.B.Cl...

    Authors: Sourav Chakraborty, Soumya Majumder, Arindam Ghosh, Sumedha Saha and Malay Bhattacharya
    Citation: Bulletin of the National Research Centre 2021 45:48
  10. This study was conducted to generate baseline information on population dynamics of Fall Army Worm (FAW) in cassava-maize intercrop for management technique. Maize (Zea mays) is Africa’s most staple food crop wit...

    Authors: J. A. C. Nwanze, R. B. Bob-Manuel, U. Zakka and E. B. Kingsley-Umana
    Citation: Bulletin of the National Research Centre 2021 45:44
  11. Cotton breeding programs mainly focus on improving cotton fibers, but less attention has been paid by breeders to cottonseed oil improvement. Breeding cottonseed for oil content has mainly depended on phenotyp...

    Authors: Sara E. I. Eldessouky, A. B. A. El-Fesheikawy and K. M. A. Baker
    Citation: Bulletin of the National Research Centre 2021 45:43
  12. Comparing shaping ability of Azure and Fanta AF One in rotation and reciprocation. This study was conducted on 40 resin blocks, having canal curvatures 30°-angle and of 16-mm length. The blocks were assigned t...

    Authors: Engy M. Kataia, Mohamed Mokhtar Nagy, Mohamed M. Kataia and Hala Fayek Khalil
    Citation: Bulletin of the National Research Centre 2021 45:42
  13. The antimicrobial activity against clinically and agriculturally important microorganisms, antioxidant property and chemical profiling of acetone crude extracts of non-edible oil-seed cakes of neem (Azadirachta i...

    Authors: A. VasudhaUdupa, Balakrishna Gowda, B. E. Kumarswammy and M. B. Shivanna
    Citation: Bulletin of the National Research Centre 2021 45:41
  14. The aim of this study is a comparison between some different protein sources in sheep rations to identify the best protein source that achieves the highest production performance and the lowest economical feed...

    Authors: Yasser A. A. El-Nomeary, Hashem H. H. Abd El-Rahman, Mohsen M. Shoukry, Abdelmegid A. Abedo, Fatma M. Salman and Mamdouh I. Mohamed
    Citation: Bulletin of the National Research Centre 2021 45:40
  15. COVID-19 (Corona Virus Disease 2019) is showing a wide global spread, and urgent joint international efforts is required to the control of this pandemic, the awareness of people towards infectious viruses stil...

    Authors: Manal A. Shehata, Ahmed Adel, Ayman F. Armaneous, Mohamed M. EL-Sonbaty, Mohamed Abdel Atti, Hazem Mohamed El-Hariri and Iman H. Kamel
    Citation: Bulletin of the National Research Centre 2021 45:39
  16. Liposomes have the ability to enclose hydrophilic or lipophilic materials. Bioactive macromolecules become more stable when they are entrapped within liposomes resisting environmental changes, allowing mainten...

    Authors: Maha G. Haggag, Medhat W. Shafaa, Hossam S. Kareem, Amir M. El-Gamil and Hoda H. El-Hendawy
    Citation: Bulletin of the National Research Centre 2021 45:38
  17. Several chemical bactericides were applied for controlling soft rot bacteria, Pectobacterium carotovorum subsp. carotovorum, which causes the destructive soft rot disease to many economically important vegetables...

    Authors: Hassan Abd-El-Khair, Tarek G. Abdel-Gaied, Maurice S. Mikhail, Ahmed I. Abdel-Alim and Hamdy I. Seif El-Nasr
    Citation: Bulletin of the National Research Centre 2021 45:37
  18. Infectious diseases, such as the latest COVID pandemic, caused by microorganisms like bacteria and virus, wreak havoc shaking human civilization with its rapid infection rate, and high number of mortalities. I...

    Authors: Sreerup Banerjee, Shriram Raghunathan, Saubhik Banerjee and Boudhayan Bandyopadhyay
    Citation: Bulletin of the National Research Centre 2021 45:35
  19. The identification of banana cultivars genome is needed to provide a valid identity from the accession of bananas which are used as basic data in the management of in situ and ex situ banana conservation as we...

    Authors: Rasyadan T. Probojati, Dwi Listyorini, Sulisetijono Sulisetijono and Didik Wahyudi
    Citation: Bulletin of the National Research Centre 2021 45:33
  20. Coronavirus disease (COVID-19) is considered a highly contagious disease with flu-like symptoms and causing relatively high level of death. It can be transmitted from a person to another through droplets and t...

    Authors: Rasha F. Sharaf and Nihal Kabel
    Citation: Bulletin of the National Research Centre 2021 45:32
  21. Soil degradation remains a serious threat to agricultural production. With increase downpour due to climate change effect, more farmlands are exposed to erosion. Therefore, ecologically sound strategies for er...

    Authors: E. A. Ewetola, G. E. Fanifosi, A. A. Ezekiel, A. A. Adetona, F. M. Oyewole, N. M. Onatoye, I. T. Idowu and A. K. Akinniku
    Citation: Bulletin of the National Research Centre 2021 45:30
  22. Neonatal sepsis is the major cause of morbidity and mortality in neonates. Frequency of bacterial sepsis is affected by seasonal variations. This study was done to rule out the effects of seasonal variation on...

    Authors: Mohamed A. Abdel Mawla, Eman A. Mostafa, Rasha M. Hasanin and Mohab M. Salah
    Citation: Bulletin of the National Research Centre 2021 45:29
  23. Toxicities of Vernonia amygdalina and Tithonia diversifolia leaf powders and extracts on larva and adult mortality of Dermestes maculatus on smoke-dried catfish were evaluated in the laboratory. The leaf powders ...

    Authors: Kayode David Ileke
    Citation: Bulletin of the National Research Centre 2021 45:28
  24. At present, the entire world is in a war against COVID-19 pandemic which has gradually led us toward a more compromised “new normal” life. SARS-CoV-2, the pathogenic microorganism liable for the recent COVID-1...

    Authors: Mohammad Mahfuz Ali Khan Shawan, Sajal Kumar Halder and Md. Ashraful Hasan
    Citation: Bulletin of the National Research Centre 2021 45:27
  25. This study was aimed to determine the prevalence of qnr genes among fluoroquinolone-resistant Escherichia coli (FREC) isolates from Nigeria. Antimicrobial susceptibility testing was performed by disc diffusion te...

    Authors: Chibuzor M. Nsofor, Mirabeau Y. Tattfeng and Chijioke A. Nsofor
    Citation: Bulletin of the National Research Centre 2021 45:26
  26. Agriculture being one of the major practices in the world has contributed to environmental pollution, especially in developing countries where there were no equipment to recycle the agricultural wastes. Consid...

    Authors: Michael Olufemi Ashamo, Kayode David Ileke and Ayomiposi Idowu Onasile
    Citation: Bulletin of the National Research Centre 2021 45:25
  27. Cotton is the most widespread, profitable non-food crop in the world. Egypt is one of the greatest countries in producing cotton (Gossypium hirsutum L.) in the world. Many pests attacked cotton which reduced the ...

    Authors: Zakaria Abdelhalim Attia, Laila Ebada and Nasr Mohamed Abdelmaksoud
    Citation: Bulletin of the National Research Centre 2021 45:24
  28. Meckel’s diverticulum is the most frequent congenital anomaly of the gastrointestinal tract. It can invert or invaginate into the small intestine lumen. It is usually associated with heterotopic tissue elements.

    Authors: Mahmoud Kamel, Hani Barsoum, Suzan Talaat and Eman Mustafa
    Citation: Bulletin of the National Research Centre 2021 45:23
  29. Goats, often associated with sheep, are a vital part of the national economy in many countries around the world, and goat farming contributes significantly to the family economy, sustainable livelihoods and po...

    Authors: Nadjet Amina Ouchene-Khelifi, Nassim Ouchene and Mohamed Lafri
    Citation: Bulletin of the National Research Centre 2021 45:22
  30. The objective of this work is to identify the most proper herbicidal treatment on sugar beet to compare different single weed control herbicide doses on sugar beet traits and associated weeds as well as yield ...

    Authors: E. M. Abd El Lateef, B. B. Mekki, M. S. Abd El-Salam and I. M. El-Metwally
    Citation: Bulletin of the National Research Centre 2021 45:21
  31. Climatic factors have been shown to influence communicable disease dynamics especially in tropical regions where temperature could swing from extreme heat and dryness to wet and cold within a short period of t...

    Authors: Eric N. Aidoo, Atinuke O. Adebanji, Gaston E. Awashie and Simon K. Appiah
    Citation: Bulletin of the National Research Centre 2021 45:20
  32. The Coronavirus disease 2019 (COVID-19) outbreak has become a challenging global issue after its emergence in December 2019. Due to the high adaptation of the virus, COVID-19 demonstrated a high transmission a...

    Authors: Ghadha Ibrahim Fouad
    Citation: Bulletin of the National Research Centre 2021 45:19
  33. Ecological risk assessment of the levels of polycyclic aromatic hydrocarbons in soils of the abandoned sections of Orji Mechanic Village, Owerri, Imo State, Nigeria. The main objective of the study was to dete...

    Authors: Francis Chizoruo Ibe, Chidi Edbert Duru, Benaiah Obinna Isiuku and Jacienta Ngozi Akalazu
    Citation: Bulletin of the National Research Centre 2021 45:18
  34. The conventional pesticide formulations have many side effects on environmental. These effects were due to the huge quantity of pesticides used. Using of nanopesticide formulations can be reduced the quantity ...

    Authors: Al-kazafy Hassan Sabry, Hamdy Abdel-Naby Salem and Hala Mohamed Metwally
    Citation: Bulletin of the National Research Centre 2021 45:16
  35. Attention-deficit hyperactivity disorder (ADHD) is one of the most common neurodevelopmental disorders, affects 5% of children worldwide and characterized by impaired inattention, hyperactivity and impulsivity...

    Authors: Olweya Mohammed Abd El Baaki, Enas Raafat Abd El Hamid, Safaa Taha Zaki, Amani Salah El Din Alwakkad, Rania Nabil Sabry and Eman Mohamed Elsheikh
    Citation: Bulletin of the National Research Centre 2021 45:15
  36. A series of metal solutions such as chromium sulphate, lead sulphate and nickel sulphate were prepared, and varying concentrations were used to model the optimum conditions that would favour the removal of the...

    Authors: David Ebuka Arthur and Augustina Aroh Oyibo
    Citation: Bulletin of the National Research Centre 2021 45:14
  37. Inclusion of the statistical approach in the planning stage of adequate experimental design is crucial for correctly achieving the required conclusions. Modern applied statistics has been used extensively in n...

    Authors: Mahfouz M. M. Abd-Elgawad
    Citation: Bulletin of the National Research Centre 2021 45:13
  38. This study aimed to evaluate the remaining amount of intra canal medicament in the root canals and their effect on microhardness of radicular dentine. In this study, ninety straight single-rooted teeth were us...

    Authors: Yousra Aly, Nada Omar, Engy M. Kataia, Maram E. Khallaf and Mohamed H. Zaazou
    Citation: Bulletin of the National Research Centre 2021 45:12
  39. The study evaluated the growth performance, haemabiochemical and antioxidant profile of two breeds of rabbits fed diets containing varying levels of Rhizopus stolonifer fermented cocoa pod husk meal (FCPHM). Coco...

    Authors: O. A. Olugosi, T. Ogunribido, J. O. Agbede and A. O. Ayeni
    Citation: Bulletin of the National Research Centre 2021 45:11
  40. Susceptibility studies keep farmers, managers and household users informed and enhance breeding program’s testing against infestation and damage by storage insect pests. Therefore, laboratory tests were carrie...

    Authors: Chilee Okpile, Usman Zakka and Luke Chinaru Nwosu
    Citation: Bulletin of the National Research Centre 2021 45:2

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