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  1. Breast cancer is the most common malignancy and one of the leading causes of cancer-linked deaths in women. The development of the mammary gland is regulated by oestrogen whose activities have also been linked...

    Authors: Ebidor Ufoumanefe Lawani-Luwaji and Tolulope Alade

    Citation: Bulletin of the National Research Centre 2020 44:191

    Content type: Review

    Published on:

  2. Clary sage (Salvia sclarea L.) has anti-inflammatory and anti-microbial properties; its seeds were imported from Germany for cultivation and acclimatization under the Egyptian environmental conditions as a new so...

    Authors: Ahmed E. El-Gohary, Heba M. Amer, Adel B. Salama, Hend E. Wahba and Khalid A. Khalid

    Citation: Bulletin of the National Research Centre 2020 44:190

    Content type: Research

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  3. Many studies revealed that there is a strong relationship between neurodevelopmental delay and malnutrition. This clinic-based study aimed to detect nutritional problems and its reflection on growth and mental...

    Authors: Marwa Nasr Al Sayed, Mohamed Salah Mostafa, Howida Hosny El Gebaly, Rania Samy Mohamed and Magda Ramzy Kastandy

    Citation: Bulletin of the National Research Centre 2020 44:189

    Content type: Research

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  4. This paper discusses the hydrological problems assessment of flash floods and the encroachment of wastewater in selected urban areas of Greater Cairo using remote sensing and geographic information system (GIS...

    Authors: Hanaa A. Megahed and Mohammed A. El Bastawesy

    Citation: Bulletin of the National Research Centre 2020 44:188

    Content type: Research

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  5. The limited water resources in arid environments in addition to the effect of agricultural and anthropogenic activities on groundwater quantity and quality necessitate paying more attention to the quality asse...

    Authors: Hanaa A. Megahed

    Citation: Bulletin of the National Research Centre 2020 44:187

    Content type: Research

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  6. The global prevalence of diabetes mellitus is assuming worrisome proportions even among children and young adults. This study is aimed at predicting the risk of developing type 2 diabetes mellitus in a young a...

    Authors: Anthony Chibuzor Nnamudi, Noghayin E. Jerry Orhue and Ifeoma Irene Ijeh

    Citation: Bulletin of the National Research Centre 2020 44:186

    Content type: Research

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  7. This study was designed to investigate the effect of cultural conditions on growth and production of linamarase by a local species of Lactobacillus fermentum isolated from cassava effluent. Isolation and identifi...

    Authors: Ilesanmi Festus Fadahunsi, Nafisat Kemi Busari and Olumide Samuel Fadahunsi

    Citation: Bulletin of the National Research Centre 2020 44:185

    Content type: Research

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  8. Many factors play a role in the long-term survival of osseointegrated dental implants. Among these, the preservation of crestal bone remains to be the key principal. The aim of this comparative study was to as...

    Authors: Mahmoud Shalash and Ahmad Abdalsamad

    Citation: Bulletin of the National Research Centre 2020 44:184

    Content type: Research

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  9. The role of mouse mammary tumor-like virus (MMTV-like virus) in human breast cancer (BC) has already been widely investigated worldwide with conflicting results. Although the researchers tried to establish the...

    Authors: Yasir Hameed, Muhammad Usman and Mukhtiar Ahmad

    Citation: Bulletin of the National Research Centre 2020 44:183

    Content type: Research

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  10. The artificial syrups on the market are known with many harmful health effects for using unnatural colors and flavors. This study evaluated the effect of different compositions of syrups and storage on the qua...

    Authors: Ibrahim Mahmoud Ahmed Ibrahim and Hamed Mohamed Hassanin Khashaba

    Citation: Bulletin of the National Research Centre 2020 44:182

    Content type: Research

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  11. In recent years, ecofriendly compounds such as chitosan has been used to alleviate the destructive effects of salt stress. Chitosan is a natural biodegradable compound with no toxicity in nature and act as a s...

    Authors: Naeem Ullah, Abdul Basit, Imran Ahmad, Izhar Ullah, Syed Tanveer Shah, Heba I. Mohamed and Shahryar Javed

    Citation: Bulletin of the National Research Centre 2020 44:181

    Content type: Research

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  12. The coronavirus disease 2019 (COVID-19) is reported in Algeria on February 25th, 2020. Since then, the number is still increasing leading to a total number of 36,699 cases and 1333 deaths on August 12th, 2020....

    Authors: Mohamed Lounis and Dilip Kumar Bagal

    Citation: Bulletin of the National Research Centre 2020 44:180

    Content type: Research

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  13. V600E-BRAF protein target has much potential for scientific research as therapeutic target due to its involvement in human melanoma cancer. In the current research, molecular docking investigation was conducte...

    Authors: Abdullahi Bello Umar, Adamu Uzairu, Gideon Adamu Shallangwa and Sani Uba

    Citation: Bulletin of the National Research Centre 2020 44:179

    Content type: Research

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  14. Soil is a substantive component in biosphere habitually endangered to superfluity contaminants particularly potential toxic elements (PTEs). The source of soil contaminants is very critical in controlling both...

    Authors: Hesham Mansour, Fikry Awad, Mohamed Saber and Alaa Zaghloul

    Citation: Bulletin of the National Research Centre 2020 44:178

    Content type: Research

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  15. Biomass fuels (bio-jet fuel) have recently attracted considerable attention as alternatives to conventional jet fuel. They have become the focus of aircraft manufacturers, engines, oil companies, governments a...

    Authors: R. El-Araby, E. Abdelkader, G. El Diwani and S. I. Hawash

    Citation: Bulletin of the National Research Centre 2020 44:177

    Content type: Research

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  16. The use of herbs in combination with drugs in treatment of malaria is increasing, and this necessitated research on the possible antagonistic, additive, potentiation or synergistic properties of commonly used ...

    Authors: O. A. Idowu, A. S. Babalola and J. Olukunle

    Citation: Bulletin of the National Research Centre 2020 44:176

    Content type: Research

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  17. The study highlighted the potential of three common and under-utilized tropical leguminous seeds (Tomentosa nilotica, Dioclea reflexa and Monodora myristica) to be used as supplementary feed to ruminant livestock...

    Authors: Oluwatosin Bode Omotoso, Mary Oluwafunmilayo Adeduntan and Adebowale Noah Fajemisin

    Citation: Bulletin of the National Research Centre 2020 44:175

    Content type: Research

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  18. The study presented here systematically examines the potential involvement of dental, oral and maxillofacial centres (ZMK) in the management of pandemia or in large-scale emergencies. It looks at available mat...

    Authors: Marcus Schiller, Marijatta Pilette, Björn Rahlf, Constantin von See and N.-C. Gellrich

    Citation: Bulletin of the National Research Centre 2020 44:174

    Content type: Research

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  19. The present study was focused to study the efficiency of two indigenous litter dwelling ligninolytic fungi (such as Mucor circinelloides GL1 and Fusarium verticillioides GL5) in degrading the agricultural wastes ...

    Authors: P. A. Geethanjali, H. G. Gowtham and M. Jayashankar

    Citation: Bulletin of the National Research Centre 2020 44:173

    Content type: Research

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  20. 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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  21. 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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  22. 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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  23. 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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  24. 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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  25. 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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  26. 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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  27. 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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  28. 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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  29. 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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  30. 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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  31. 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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  32. 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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  33. 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

    Published on:

  34. 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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  35. 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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  36. 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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  37. 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

    Published on:

  38. 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

    Published on:

  39. 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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  40. 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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  41. 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

    Published on:

  42. 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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  43. 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

    Published on:

  44. 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

    Published on:

  45. 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:

  46. 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

  47. 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

    Published on:

  48. 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

    Published on:

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The NRC has to correspond to the country's key production and services sectors through the research conducted in different areas of science and technology, scientific consultation and training as well.

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