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  1. The persistent problem of canine infection with Dipylidium caninum, in spite of the wide accessibility of drugs proposed essentially to kill cestodes, recommends the need to discover other effective alternative t...

    Authors: Hatem A. Shalaby, Omnia M. Kandil, Noha M. Hassan and Mohamed A. Helal

    Citation: Bulletin of the National Research Centre 2020 44:52

    Content type: Research

    Published on:

  2. Betel leaf is the oldest and now highly paid farmer’s crop, but the most vulnerable to insect pests, leading to massive yield drops in Bangladesh. For this reason, the experiment was carried out at the Spices ...

    Authors: Md. Motaher Hossain, Ashutus Singha, Md. Abu Sayem Jiku, Debasish Sarker, Akhtaruzzaman Sarkar, Ashraful Alam and Shata Rupa Sinha

    Citation: Bulletin of the National Research Centre 2020 44:51

    Content type: Research

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  3. In arid and hyper arid regions, flash floods directly affect human life and ecosystem balance through soil erosion and sediment exchange between different watersheds. The present study provides an integrated a...

    Authors: Mohamed Yousif and Hussien M. Hussien

    Citation: Bulletin of the National Research Centre 2020 44:50

    Content type: Research

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    The Correction to this article has been published in Bulletin of the National Research Centre 2020 44:62

  4. Malaria is a parasitic disease that constitutes a major global health concern and the increasing resistance of Plasmodium falciparum strains to the commonly used antimalarial drugs has resulted in an increase in ...

    Authors: Chiedozie O. Egbubine, Modupe M. Adeyemi and James D. Habila

    Citation: Bulletin of the National Research Centre 2020 44:49

    Content type: Research

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  5. Ecological killer yeasts have had few studies compared with laboratory killer yeasts. The killer yeasts are known in excreting killer toxins that kill sensitive or susceptible yeasts. The killer toxins, such a...

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

    Citation: Bulletin of the National Research Centre 2020 44:48

    Content type: Research

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  6. This study was done to evaluate the effect of the prepared Moringa oleifera-based root canal irrigant compared to conventionally used irrigants on the microhardness of root dentin and smear layer removal.

    Authors: Maram E. Khallaf, Engy M. Kataia, Yousra Aly, Nada Omar and M. Abdullah Mohamed

    Citation: Bulletin of the National Research Centre 2020 44:47

    Content type: Research

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  7. Tomato, Solanum lycopersicum L (=Lycopersicon esculentum Miller), is one of the most economically important crops in the world. In Egypt, tomato is infested with different pests causing damages in both quantity a...

    Authors: Youssef Ahmed Mahmoud, Ibrahim Mohamed Abd El-Monem Ebadah, Wedad Attwa, Sayed Moawad, Neama Omar, Tarek Essa Abd El-Wahab and Hanaa Sadek

    Citation: Bulletin of the National Research Centre 2020 44:46

    Content type: Research

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  8. Glaucoma is the second leading cause of blindness in the world with primary open-angle glaucoma (POAG) that is the most prevalent type. Brain-derived neurotrophic factor (BDNF) is a member of the neurotrophin ...

    Authors: Mona Fathy, Arwa M. Darweesh, Sahar Sharaf, Hadeel M. El-Hanafi, Fayek M. Ghaleb, Iman A. Fahmy and Shadia M. Hussein

    Citation: Bulletin of the National Research Centre 2020 44:45

    Content type: Research

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  9. Aphis craccivora has many plant hosts, though it seemingly forechoice to groups of bean family. Other plants it hosts are families of Solanaceae, Rosaceae, Malvaceae, Chenopodiaceae, Caryophyllaceae, Ranunculacea...

    Authors: Yusuf Isyaku, Adamu Uzairu, Sani Uba, Muhammad Tukur Ibrahim and Abdullahi Bello Umar

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

    Content type: Research

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  10. Pollution by waste hydrocarbons on soil and water bodies is an endemic problem in African countries, particularly in Nigeria. This has caused untold hardship and increase in poverty level of the people, due to...

    Authors: Ayokunle Samuel Bolaji, Mojeed Olaide Liasu, Abiodun Ayanfemi Ayandele and John Ayobami Amao

    Citation: Bulletin of the National Research Centre 2020 44:43

    Content type: Research

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  11. Insolubility is the main requirement for ideal root end filling material to provide perfect sealing ability. Moreover, alkalinity and bioactivity provide great chance for tissues healing and remineralization. ...

    Authors: Manar Galal, Dalia Y. Zaki, Mohamed I. Rabie, Samia M. El-Shereif and Tamer M. Hamdy

    Citation: Bulletin of the National Research Centre 2020 44:42

    Content type: Research

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  12. Backed by its Mediterranean climate, fertile soils, cheap labor, and geographic location, Egypt ranks high among citrus producer countries. These factors can collectively offer early fruiting and long harvest ...

    Authors: Mahfouz M. M. Abd-Elgawad

    Citation: Bulletin of the National Research Centre 2020 44:41

    Content type: Review

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  13. α-Amylase randomly hydrolyzes starch molecule to produce oligosaccharides of different chain length. It is among the most significant hydrolytic enzymes used in industrial applications. Enzyme immobilization i...

    Authors: Mohamed A. A. Abdella, Gamal M. El-Sherbiny, Aliaa R. El-Shamy, Sherien M. M. Atalla and Samia A. Ahmed

    Citation: Bulletin of the National Research Centre 2020 44:40

    Content type: Research

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  14. Women experience various menopausal symptoms during the menopause; these symptoms can affect their quality of life and health. The aim of this study was to help females around this time to relief their symptom...

    Authors: Salwa Mostafa El Shebini, Suzanne Fouad, Maha Abdel-Moaty, Nihad Hassan Ahmed, Ahmed Mohamed Saied Hussein, Hend Abass Essa and Salwa Tawfic Tapozada

    Citation: Bulletin of the National Research Centre 2020 44:39

    Content type: Research

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  15. At present, agricultural production management techniques focus on greater commitment to environmental sustainability. As such, this study was carried out during two successive seasons (2018 and 2019) to inves...

    Authors: Mahmoud Sami Abourayya, Nabila Elbadawy Kaseem, Thanaa Shaban Mohamed Mahmoud, Amal Masoad Rakha, Ramadan Ahmed Eisa and Osama Abdelfattah Amin

    Citation: Bulletin of the National Research Centre 2020 44:38

    Content type: Research

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  16. The main objective of this work aimed to investigate the impact of incorporation apricot seed kernel (ASK) in rabbit rations on their digestion coefficients, nutritive values, performance, carcass characterist...

    Authors: Hamed A. A. Omer, Sawsan M. Ahmed, Abdelmegid A. Abedo, Yasser A. A. EL-Nomeary, Soad M. Nasr and Somia A. Nassar

    Citation: Bulletin of the National Research Centre 2020 44:37

    Content type: Research

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  17. Antimicrobial peptides were examined as an evolutionarily preserved component of the innate immune response and identified as a vital first-line defense against a broad spectrum of pathogens in fish. The objec...

    Authors: Karima F. Mahrous, Heba A. M. Abd El - Kader, Dalia M. Mabrouk, Mohamad M. Aboelenin, Noha M. Osman, Wagdy K. B. Khalil and Mohamed Saber Hassanane

    Citation: Bulletin of the National Research Centre 2020 44:36

    Content type: Research

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    The Correction to this article has been published in Bulletin of the National Research Centre 2020 44:57

  18. The indiscriminating and intensive use of insecticides to control the cotton leafworm (CLW), Spodoptera littoralis (Boisduval) (Lepidoptera: Noctuidae), usually induces high levels of resistance. The insecticides...

    Authors: Seham Mansour Ismail

    Citation: Bulletin of the National Research Centre 2020 44:35

    Content type: Research

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  19. Helminth infections occur in poverty-stricken areas and developing countries with warm and humid environments and where sanitary conditions are poor. Only few drugs are regularly used for the treatment of thes...

    Authors: Kalpesh B. Ishnava and Priya S. Konar

    Citation: Bulletin of the National Research Centre 2020 44:33

    Content type: Research

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  20. The wheatgrass juice (WGJ) contains a high concentration of vitamin C. WGJ contains a lot of highly functional nutritive ingredients potent to unify the liver with the kidneys for detoxification of the organs ...

    Authors: Hesham A. Eissa, Sherif S. Mohamed and Ahmed M. S. Hussein

    Citation: Bulletin of the National Research Centre 2020 44:30

    Content type: Research

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  21. Little is known about the single-tree influence of Tectona grandis Linn. f. on plant distribution and soil characteristics in Benin City, Nigeria. We investigated the possible single-tree effect of T. grandis on ...

    Authors: Beckley Ikhajiagbe, Matthew Chidozie Ogwu and Adebayo Emmanuel Lawrence

    Citation: Bulletin of the National Research Centre 2020 44:29

    Content type: Research

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  22. The medicinal plants have been used as alternative treatments for many diseases in many countries. Thus, the possibility of the alteration of some naturally relatively cheap sources into highly valuable produc...

    Authors: Asmaa R. Abd El-Hameid, Zakia A. Abo El-kheir, M. S. Abdel-Hady and Wafaa A. Helmy

    Citation: Bulletin of the National Research Centre 2020 44:28

    Content type: Research

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  23. There is a worldwide demand for phenolic compounds (PC) because they exhibit several biological activities. The present investigation deals with a comprehensive study on the biological activities of phenolic c...

    Authors: Engy M. Akl, Samira S. Mohamed, Ahmed I. Hashem and Fakhriya S. Taha

    Citation: Bulletin of the National Research Centre 2020 44:27

    Content type: Research

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  24. Carob (Ceratonia siliqua L.) is one of the important crops in terms of nutritional and medicinal value in the countries of Western Asia and North Africa. Despite the fact that some countries have used Carob in tr...

    Authors: Sawsan S. Sayed, A. M. M. Gabr, Mona A. Amin and Lobna S. Taha

    Citation: Bulletin of the National Research Centre 2020 44:26

    Content type: Research

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  25. Drought tolerance and grain quality are the main challenges in maize cultivation due to climatic changes and population growth. So, this study aims to evaluate the suitability of nixtamalized corn flour (NCF) ...

    Authors: Ahmed M. Hussein, Attia A. Yaseen, Ramadan M. Esmail and Ayman A. Mohammad

    Citation: Bulletin of the National Research Centre 2020 44:25

    Content type: Research

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  26. Continual application of herbicides for flaxleaf fleabane control readily results in the evolution of herbicide resistance. Flaxleaf fleabane has evolved resistance to different modes of action herbicides in m...

    Authors: Mohammed Hussein Minati, Christopher Preston and Jenna Malone

    Citation: Bulletin of the National Research Centre 2020 44:24

    Content type: Research

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  27. Water use efficiency (WUE) is becoming a decisive factor for agricultural expansion to face water shortage. To meet the needs of high population density in Egypt, we have to use modern irrigation systems and n...

    Authors: M. I. Ezzo, Ahmed S. Mohamed, Ahmed A. Glala and Said A. Saleh

    Citation: Bulletin of the National Research Centre 2020 44:23

    Content type: Research

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  28. Nowadays, electric vehicle development takes a great attention in vehicle industry and researches, due to demising supplies of fuel, less pollution, and developing many resources of generating electricity as r...

    Authors: Nady Ibrahim, Mohamed Abdelaziz, Maged Ghoneima and Sherif Hammad

    Citation: Bulletin of the National Research Centre 2020 44:22

    Content type: Research

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  29. The ability of a protein to accomplish distinct metabolic actions depends on its balance of amino acids, the digestibility to release the amino acids for absorption, and the availability of the absorbed amino ...

    Authors: E. A. A. Anyalogbu, E. N. Onyeike and P. C. Nweje-Anyalowu

    Citation: Bulletin of the National Research Centre 2020 44:21

    Content type: Research

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  30. Wheat is one of the most important food and strategic crops because it is the main food for most Egyptian people; the research aimed to analyze the structure of the Egyptian foreign trade for wheat by determin...

    Authors: Yehia Mohamed Metwally Khalil, Salah Said Abd El-Ghani and Tamer Gamal Ibrahim Mansour

    Citation: Bulletin of the National Research Centre 2020 44:20

    Content type: Research

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  31. The marble and granite industries in Egypt produce a vast amount of by-product slurry waste that could be used in green mortar production suitable for construction purposes. This research highlights the effect...

    Authors: Shereen K. Amin, Mostafa E. Allam, Gihan L. Garas and Hisham Ezz

    Citation: Bulletin of the National Research Centre 2020 44:19

    Content type: Research

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  32. Melatonin, an indoleamine compound, has the ability to regulate a lot of physiological and biochemical processes under different environmental stresses such as drought stress.

    Authors: Mervat Sh. Sadak, Aboelfetoh M. Abdalla, Ebtihal M. Abd Elhamid and M. I. Ezzo

    Citation: Bulletin of the National Research Centre 2020 44:18

    Content type: Research

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  33. It is well known that legume and other crops such as pea, faba bean, lentil, chick pea, and several other crops are susceptible to Orobanche crenata (broomrape) infestation. There is a direct relationship between...

    Authors: Salah El-Din Abd El-Ghany Ahmed, Nadia Khalil Messiha, Raafat Ragheb El-Masry and Mahmoud Ahmed Touny El-Dabaa

    Citation: Bulletin of the National Research Centre 2020 44:17

    Content type: Research

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  34. The lack of adequate data on the oral health status among the Egyptians is a challenging barrier for the assessment and improvement of oral health needs.

    Authors: Amani Moussa, Eman Ibrahim, Ahmed Esmat, Sherihan Eissa and Magda Ramzy

    Citation: Bulletin of the National Research Centre 2020 44:16

    Content type: Research

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  35. Poultry bacterial pathogens are mainly controlled by using high-cost sanitary measures and medical treatment. However, the drug-resistant strains of pathogens continuously emerge, and medical treatments are of...

    Authors: Nagwa S. Rabie and Zeinab M. S. Amin Girh

    Citation: Bulletin of the National Research Centre 2020 44:15

    Content type: Review

    Published on:

  36. This study was carried out during two successive 2016 and 2017 seasons in the postharvest laboratory of the Agricultural Development System (ADS) project in the Faculty of Agric, Cairo University, Giza Governo...

    Authors: S. F. EL-Gioushy and M. H. M. Baiea

    Citation: Bulletin of the National Research Centre 2020 44:14

    Content type: Research

    Published on:

  37. After publication of the original article (Hamzawy et al. 2019), we were notified that.

    Authors: Esmat M. A. Hamzawy, Samya I. El-Sherbiny and Abdullah M. Saber

    Citation: Bulletin of the National Research Centre 2020 44:13

    Content type: Correction

    Published on:

    The original article was published in Bulletin of the National Research Centre 2019 43:191

  38. Due to versatility in reaction catalyzed by peroxidases, they have potential applications in different areas in the health sciences, food industry, and diagnostic purposes. Therefore, the aim of this study is ...

    Authors: Mohamed I. El-Khonezy, Ahmed M. Abd-Elaziz, Mahmoud F. Dondeti, Afaf S. Fahmy and Saleh A. Mohamed

    Citation: Bulletin of the National Research Centre 2020 44:11

    Content type: Research

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  39. After publication of the original article (Youssef et al., 2019), we were notified that the corresponding author’s family name has been erroneously spelled. It should be corrected from Yousef to Youssef.

    Authors: Nora M. Youssef, Shimaa A. Shaaban, Zenna Fawzia Ghareeb and Lobna S. Taha

    Citation: Bulletin of the National Research Centre 2020 44:10

    Content type: Correction

    Published on:

    The original article was published in Bulletin of the National Research Centre 2019 43:211

  40. Garlic (Allium sativum L.) has been used as a medicine throughout ancient and modern history; it has been taken to prevent and treat a wide range of conditions and diseases. In Bangladesh, the demand for garlic i...

    Authors: Md. Abu Sayem Jiku, Md. Alimuzzaman, Ashutus Singha, Md. Arifur Rahaman, Ratan Kumar Ganapati, Md. Ashraful Alam and Shata Rupa Sinha

    Citation: Bulletin of the National Research Centre 2020 44:9

    Content type: Research

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  41. Trait selection for rice production under submergence stress and its effective investigation are important for sustainable improvement. Gene action is a principle, measures allelic interactions for traits that...

    Authors: Ratan Kumar Ganapati, Md Golam Rasul, Umakanta Sarker, Ashutus Singha and Muhiuddin Faruquee

    Citation: Bulletin of the National Research Centre 2020 44:8

    Content type: Research

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  42. An emerging field of research is examining the association of infectious and environmental pathogens with type 2 diabetes mellitus (T2DM). An understudied pathogen of interest is the protozoan parasite Toxoplasma...

    Authors: Aus Molan, Kazunori Nosaka, Michael Hunter and Wei Wang

    Citation: Bulletin of the National Research Centre 2020 44:7

    Content type: Review

    Published on:

  43. Biodiesel is expected to play a key role in the development of a sustainable, economical, and environmentally safe source of energy. The third generation of biodiesel is derived from microalgae and cyanobacter...

    Authors: Samar A. El-Mekkawi, N. N. El-Ibiari, Ola A. El-Ardy, Nabil M. Abdelmonem, Ahmed H. Elahwany, Magdi F. Abadir and Ibrahim M. Ismail

    Citation: Bulletin of the National Research Centre 2020 44:6

    Content type: Research

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  44. Actinobacteria is as a group of advanced filamentous bacteria. Rare Actinobacteria are of special interest as they are rarely isolated from the environments. They are a major source of important bioactive compoun...

    Authors: Dina H. Amin, Nagwa A. Abdallah, Assem Abolmaaty, Sahar Tolba and Elizabeth M. H. Wellington

    Citation: Bulletin of the National Research Centre 2020 44:5

    Content type: Review

    Published on:

  45. Orobanche crenata is an obligate root parasite belonging to Orbanchaceae. Broomrape causes great damage to the faba bean. Several attempts were applied for controlling parasitic weeds. So, the aim of this work is...

    Authors: Mahmoud Ahmed Touny El-Dabaa and Hassan Abd-El-Khair

    Citation: Bulletin of the National Research Centre 2020 44:4

    Content type: Research

    Published on:

  46. Moringa oleifera L. (moringa) is a promising plant for nutritionally and medicinally uses. The influence of laser radiation on moringa seeds (dry and wetted) was investigated, using helium–neon (He–Ne) laser sour...

    Authors: Samira A. Osman and Walaa A. Rayan

    Citation: Bulletin of the National Research Centre 2020 44:3

    Content type: Research

    Published on:

  47. The main etiological agent for dental caries is Streptococcus mutans bacterial strain. Recently, metallic nanoparticles and diode laser have been introduced as a new method in bacterial decontamination. Nanoparti...

    Authors: Doaa M. Sadony and Hanan El-sayed Abozaid

    Citation: Bulletin of the National Research Centre 2019 44:2

    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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