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  1. Foodborne illness is a public health alarm with a deleterious effect on human health and the economy all over the world. Searching for possible solutions to beat foodborne pathogens is still a demanding concer...

    Authors: Dina H. Amin and Assem Abolmaaty

    Citation: Bulletin of the National Research Centre 2020 44:172

    Content type: Research

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  2. Growing interest of strawberry cultivation in Egypt necessitates more efforts towards its severe phomopsis leaf blight disease caused by Phomopsis obscurans. Synthetic fungicides could control this fungus but due...

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

    Citation: Bulletin of the National Research Centre 2020 44:171

    Content type: Research

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  3. The field of laser-based photochemical reactions receives a great promising for additional applications especially for targeting cells, pathogens, or molecules. Limited studies have investigated the impact of ...

    Authors: Mohamed M. Abo El-Dahab, Mostafa Gheith, Nadia Lashin Soliman and Riham Mohamed Aly

    Citation: Bulletin of the National Research Centre 2020 44:170

    Content type: Research

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  4. Microalgae cells can be identified as a potential source for new and renewable energy. The economic investigation for biodiesel and bio-active compound production from the microalgae community (Bloom), which are ...

    Authors: Sayeda M. Abdo, Guzine I. El Diwani, Kamel M. El-Khatib, Sanaa A. Abo El-Enin, Mohammed I. El-Galad, Haidy S. Basily and Gamila H. Ali

    Citation: Bulletin of the National Research Centre 2020 44:169

    Content type: Research

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  5. α-Galactosidase is widely used in various biotechnological applications such as food processing, beet sugar, the pulp and paper industries, synthesis of oligosaccharides by trans-galactosylation, hydraulic fra...

    Authors: Naganagouda Kote, A. C. Manjula, T. Vishwanatha and Aravind Gouda G. Patil

    Citation: Bulletin of the National Research Centre 2020 44:168

    Content type: Research

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  6. Exogenous hormone applications modify the plant growth and development by inducing changes in their endogenous contents. However, it is not clear whether the effects of exogenous hormones on growth are direct ...

    Authors: Ragab A. El-Mergawi and Mohamed S. A. Abd El-Wahed

    Citation: Bulletin of the National Research Centre 2020 44:167

    Content type: Research

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  7. Plum fruit has a short shelf life with a rapid deterioration in quality after harvest. The main aim of this study was to evaluate the effect of preharvest treatments by moringa leaf extract (MLE), boric acid (...

    Authors: Thanaa Shaban Mohamed Mahmoud, Fatma Korany Mohamed Shaaban and Gehan Abd El-Malek El-Hadidy

    Citation: Bulletin of the National Research Centre 2020 44:166

    Content type: Research

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  8. The genus Albizia (Leguminoseae) is used in folk medicine for the treatment of a wide range of ailments. Recently, saponins from plant origin have attracted much attention. Saponins are recorded to have a broad r...

    Authors: Marian Nabil, Entesar E. Hassan, Neven S. Ghaly, Fawzia A. Aly, Farouk R. Melek, Zeinab M. Hassan, Maha A. Fahmy and Ayman A. Farghaly

    Citation: Bulletin of the National Research Centre 2020 44:165

    Content type: Research

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  9. The purpose of the current study was to inspect and compare the influence of applying continuous rotation and reciprocation motions on the cyclic fatigue resistance of Protaper Next (PTN) file (X2) and WaveOne...

    Authors: Amira Galal Ismail, Manar Galal and Nehal Nabil Roshdy

    Citation: Bulletin of the National Research Centre 2020 44:164

    Content type: Research

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  10. The study was conducted to compare parasitic loads of Clarias gariepinus from cultured and natural habitats. A total number of 80 live adults (200–799 g) C. gariepinus comprising of 20 each were randomly obtained...

    Authors: Olajide Joseph Afolabi, Fayokemi Christianah Olususi and Olusola Olasumbo Odeyemi

    Citation: Bulletin of the National Research Centre 2020 44:163

    Content type: Research

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  11. The K1, K2, and K28 toxins are usually encoded by several cytoplasmically genetic satellite dsRNAs (M1, M2, and M28), which are encapsulated with virus-like particles (VLPs) and reliant on an additional assemb...

    Authors: Najwa Mohammed Jameel Ali Abu-Mejdad, Adnan I. Al-Badran, Abdullah H. Al-Saadoon and Mohammed Hussein Minati

    Citation: Bulletin of the National Research Centre 2020 44:162

    Content type: Research

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  12. Abiotic stresses like low temperatures are contributory factors to the variations observed among species during plant germination, growth, and development. The present study evaluated the morphological and gen...

    Authors: Beckley Ikhajiagbe, Vona D. Odenore, Josiah E. Ifie, Esther O. Umeokeke, Pieter-Jan Loveniers and Peace I. Enaruna

    Citation: Bulletin of the National Research Centre 2020 44:160

    Content type: Research

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  13. Selection indices help the plant breeders to discriminate desirable genotypes on the basis of phenotypic performance. Therefore, the present study was conducted to evaluate thirty sugarcane genotypes (clones) ...

    Authors: Farrag F. B. Abu-Ellail, Eman M. A. Hussein and A. El-Bakry

    Citation: Bulletin of the National Research Centre 2020 44:161

    Content type: Research

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  14. Water resources are very important to agricultural crop production due to increasing demand for food, feed, and fiber. There is a growing requirement for more use of our natural resources of land, soil, and wa...

    Authors: Rashid Iqbal, Muhammad Aown Sammar Raza, Monika Toleikiene, Muhammad Ayaz, Fatemeh Hashemi, Muhammad Habib-ur-Rahman, Muhammad Saqlain Zaheer, Salman Ahmad, Umair Riaz, Muhammad Ali, Muhammad Usman Aslam and Imran Haider

    Citation: Bulletin of the National Research Centre 2020 44:159

    Content type: Review

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  15. Two field experiments were carried out at the Agricultural Production and Research Station, National Research Centre (NRC), El-Nubaria Province, Behaira Governorate, Egypt, during two successive winter seasons...

    Authors: Mona G. Dawood, Mervat Sh. Sadak, Bakry A. Bakry and Howida H. Kheder

    Citation: Bulletin of the National Research Centre 2020 44:158

    Content type: Research

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  16. The production of novel foods from underutilized nutritious tropical crops is increasing; however, the toxicological studies are sparse. In this study, the safety of the breakfast food produced from the blend ...

    Authors: Grace O. Babarinde, Akos A. Ebun and Peter I. Adegbola

    Citation: Bulletin of the National Research Centre 2020 44:157

    Content type: Research

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  17. The study evaluated the prevalence of malaria and Plasmodium falciparum chloroquine resistance transporter gene (PfCRT) in HIV patients attending Specialist Hospital, Akure. This study was carried out between Apr...

    Authors: Iyabo Adepeju Simon-Oke, Adeola Olanireti Ade-Alao and Foluso Ologundudu

    Citation: Bulletin of the National Research Centre 2020 44:156

    Content type: Research

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  18. The cotton leafworm, Spodoptera littoralis (Boisd.), is a serious economic pest in Egypt. Pest control depends mainly on chemical control with several pesticides include conventional and modern insecticides. Comp...

    Authors: El-Sayed Mokbel and Amal Huesien

    Citation: Bulletin of the National Research Centre 2020 44:155

    Content type: Research

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  19. The importance of Chrysoperla carnea (Steph.) (Neuroptera: Chrysopidae) as a predator is due to nourishing this predator on some dangerous pests as the cotton mealybug, Phenacoccus solenopsis Tinsley, belongs to ...

    Authors: Abd-Allah E. Ghada and Youssef M. Naglaa

    Citation: Bulletin of the National Research Centre 2020 44:154

    Content type: Research

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  20. The use of herbs for malaria treatment is common among pregnant women in Nigeria. This study through a survey documented three most commonly used herbs in the management of pregnancy-associated malaria in Abeo...

    Authors: Ayodele S. Babalola, Olufunmilayo A. Idowu, Kehinde O. Ademolu, J. Olukunle and Samson A. Rahman

    Citation: Bulletin of the National Research Centre 2020 44:153

    Content type: Research

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  21. Entomophagy, the consumption of insects, is a common practice among various tribal communities across the globe. Various factors such as flavour, nutrient content, availability and claimed medicinal values hav...

    Authors: Kushal Choudhury, Dipamani Sarma, Pforeni Jane Sapruna and Amar Deep Soren

    Citation: Bulletin of the National Research Centre 2020 44:152

    Content type: Research

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  22. The dissolution process kinetics and optimization of iron from Akwuke ore were investigated in this study. The effects of process parameters such as agitation rate and ore particle size on the dissolution proc...

    Authors: Kingsley Amechi Ani and Chidubem Chukwuebuka Chukelu

    Citation: Bulletin of the National Research Centre 2020 44:151

    Content type: Research

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  23. Peach fruits are highly perishable leading to many pre- and post-harvest problems, which adds to the reduction in the potential yield and productivity. Chitosan is a natural polysaccharide, produced after alka...

    Authors: Muhammad Sajid, Abdul Basit, Zafar Ullah, Syed Tanveer Shah, Izhar Ullah, Heba I. Mohamed and Inayat Ullah

    Citation: Bulletin of the National Research Centre 2020 44:150

    Content type: Research

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  24. The study examined the effects of Myristica fragrans seed meal (MSM) and Syzygium aromaticum leaf meal (SLM) dietary supplementation on the growth performance, health status, and meat quality of broiler chicken.

    Authors: Olufemi Adesanya Adu, Francis Ayodeji Gbore, Olugbenga David Oloruntola, Andrew Bamidele Falowo and Olumuyiwa Joseph Olarotimi

    Citation: Bulletin of the National Research Centre 2020 44:149

    Content type: Research

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  25. This study was conducted to estimate the antifungal activity and efficiency of purified killer toxins (TK and WK) produced by Torulaspora delbrueckii and Wickerhamomyces anomalus as alternative drugs of resistant...

    Authors: Najwa Mohammed Jameel Ali Abu-Mejdad, Abdullah H. Al-Saadoon, Adnan I. Al-Badran and Mohammed Hussein Minati

    Citation: Bulletin of the National Research Centre 2020 44:148

    Content type: Research

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  26. Alteration in the normal composition of gasses in the atmosphere referred to as air pollution can occur as a result of different processes, including emissions from vehicles and power generators. Gasses affect...

    Authors: Kayode Peter Balogun, Abiola Titilola Aborisade and Oluwole Olakunle Oladele

    Citation: Bulletin of the National Research Centre 2020 44:147

    Content type: Research

    Published on:

  27. An amendment to this paper has been published and can be accessed via the original article.

    Authors: Soumen Bera, Sibsankar Das and Dharmadas Kalindi

    Citation: Bulletin of the National Research Centre 2020 44:145

    Content type: Correction

    Published on:

    The original article was published in Bulletin of the National Research Centre 2020 44:124

  28. The context and purpose of the study. The world has turned to the technology of organic agriculture to obtain safe food and preserve the environment, and there have become many standards that control the produ...

    Authors: Abdu Omran Mohamed, Yousria Ahmed Allam and Ismail Ibrahim Hassen

    Citation: Bulletin of the National Research Centre 2020 44:144

    Content type: Research

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  29. Investigation on genetic variability and correlation study between yield and its components of genotypes on rice may increase the opportunity to exploit its potential which will help meet the demand of high gr...

    Authors: Maysoun M. Saleh, Khaled F. M. Salem and Abdelmoaty B. Elabd

    Citation: Bulletin of the National Research Centre 2020 44:143

    Content type: Research

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  30. Metabolomics of Camellia japonica leaf has been studied to identify the terpenoids present in it and their interrelations regarding biosynthesis as most of their pathways are closely situated. Camellia japonica i...

    Authors: Soumya Majumder, Arindam Ghosh and Malay Bhattacharya

    Citation: Bulletin of the National Research Centre 2020 44:141

    Content type: Research

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  31. Flexibility during bending is a critical feature that influences the performance and safety of endodontic nickel-titanium rotary instruments. Flexibility of the endodontic files could be assessed via laborator...

    Authors: Amira Galal Ismail, Manar Galal, Mohamed H. Zaazou, Tamer M. Hamdy and Rasha M. Abdelraouf

    Citation: Bulletin of the National Research Centre 2020 44:140

    Content type: Research

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  32. This recent investigation aimed to detect and characterize the genetic variabilities and genetic similarity in Orobanche crenata collected from naturally Orobanche-infested field at Gemmeiza Research Station, Agr...

    Authors: M. M. F. Abdalla, Heba A. M. A. Saleh and M. A. Khater

    Citation: Bulletin of the National Research Centre 2020 44:139

    Content type: Research

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  33. Free radical attack of cellular structures in the human system is the major cause of various forms of degenerative diseases. Consequently, recent research has been focused on the development of new antioxidant...

    Authors: Ikechukwu Ogadimma Alisi, Adamu Uzairu and Stephen Eyije Abechi

    Citation: Bulletin of the National Research Centre 2020 44:137

    Content type: Research

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  34. QSAR modelling was performed on thirty-five (35) newly discovered compounds of N-(2-phenoxy) ethyl imidazo[1,2-a] pyridine-3-carboxamide (IPA) to predict their biological activities against Mycobacterium tubercul...

    Authors: Mustapha Abdullahi, Shola Elijah Adeniji, David Ebuka Arthur and Shuaibu Musa

    Citation: Bulletin of the National Research Centre 2020 44:136

    Content type: Research

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  35. The present study evaluated levels of polymerization of deoxygenated sickle hemoglobin molecules (poly-dHbS-M) in the presence of fractionated leaf extracts of Anacardium occidentale Linn., Psidium guajava Linn.,...

    Authors: Paul C. Chikezie, Raphael C. Ekeanyanwu and Adaeze B. Chile-Agada

    Citation: Bulletin of the National Research Centre 2020 44:135

    Content type: Research

    Published on:

  36. Peanut (Arachis hypogaea L.) is considered one of the most important legume and oil crops in Egypt. Root-knot nematodes Meloidogyne spp. is the most damaging nematodes of peanut. Losses can exceed 50% in severely...

    Authors: Hamida Ahmed Osman, Hoda Hussein Ameen, Moawad Mohamed and Usama Samy Elkelany

    Citation: Bulletin of the National Research Centre 2020 44:134

    Content type: Research

    Published on:

  37. Assessment of the oil % in a representative sample of Salicornia bigelovii seeds with different extraction methods using some of the organic solvents to reach the best economic one and determination of the effect...

    Authors: R. El-Araby, A. I. Rezk, S. A. Abo El-Enin, O. A. Nofal and A. B. El-Nasharty

    Citation: Bulletin of the National Research Centre 2020 44:133

    Content type: Research

    Published on:

  38. 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

    Content type: Research

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  39. 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

    Content type: Research

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  40. 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

    Content type: Research

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  41. 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

    Content type: Research

    Published on:

  42. 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

    Content type: Research

    Published on:

  43. 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

    Content type: Research

    Published on:

  44. 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

    Content type: Correction

    Published on:

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

  45. 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

    Content type: Review

    Published on:

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

  46. 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

    Content type: Research

    Published on:

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