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  1. The cowpea bruchid, Callosobruchus maculatus is the major postharvest insect pest of cowpea seeds in storage. This had led to huge losses and quality deterioration of stored cowpea seeds that serve as poor man’s ...

    Authors: Michael Olufemi Ashamo, Kayode David Ileke and Ayomiposi Idowu Onasile
    Citation: Bulletin of the National Research Centre 2022 46:108
  2. Belize is rich in rainforest and vast medicinal plants that have the potential for drug discoveries. Few studies have examined the use of medicinal plants in the management of chronic diseases in Belize. The p...

    Authors: David D. Mphuthi and Danladi Chiroma Husaini
    Citation: Bulletin of the National Research Centre 2022 46:107
  3. Amphibian parasites have been used as models for understanding important issues about host activity and sensitivity to environmental perturbations and amphibian decline. With the aim of comparing the parasitic...

    Authors: Okechukwu Martin Okeagu, Bamidele Akinsanya and Tolulope Uzoka
    Citation: Bulletin of the National Research Centre 2022 46:105
  4. Cancer is a significant public health problem worldwide and constitutes the second leading cause of death after cardiovascular disease. This study was thus designed to identify new natural compounds from Malag...

    Authors: Jean-Paul Koto-Te-Nyiwa Ngbolua, Jason T. Kilembe, Aristote Matondo, Colette Masengo Ashande, Janvier Mukiza, Célestin Mudogo Nzanzu, Fatiany Pierre Ruphin, Robijaona Baholy, Pius T. Mpiana and Virima Mudogo
    Citation: Bulletin of the National Research Centre 2022 46:101
  5. Faecal incontinence is a common anorectal medical trouble among adult population. The aim was to compare the efficacy of biofeedback pelvic floor muscle training versus posterior tibial nerve electrical stimul...

    Authors: Mervat Sheta Elsawy and Emmanuel Kamal Aziz Saba
    Citation: Bulletin of the National Research Centre 2022 46:99
  6. Osteoradionecrosis of the jaw (ORNJ) is a well-known chronic side effect of radiotherapy (RT) for head and neck malignancies. Osteonecrosis of the jaw (ONJ), similar pathology to ORNJ, may be induced by bispho...

    Authors: Atsushi Shudo
    Citation: Bulletin of the National Research Centre 2022 46:98
  7. The world has been suffering from the COVID-19 pandemic (officially declared by WHO in March 2020), caused by the severe acute respiratory β-coronavirus 2 (SARS-CoV-2) since the last week of December 2019. The...

    Authors: Rashed Noor, Saadia Shareen and Muntasir Billah
    Citation: Bulletin of the National Research Centre 2022 46:96
  8. This study was carried out to investigate the antifungal activity of chitinase produced by Streptomyces species isolated from grassland soils against selected pathogenic fungi, namely: Magnaporthe oryzae, Fusariu...

    Authors: Fatuyi Olanipekun Ekundayo, Abisola Eniola Folorunsho, Tope Abraham Ibisanmi and Olayinka Bukola Olabanji
    Citation: Bulletin of the National Research Centre 2022 46:95
  9. Crude ethanolic extracts of leaves and stem of Physalis minima (Solanaceae) were evaluated for in vitro anthelmintic activity on the Bangladeshi mature parasitic flatworm Paramphistomum cervi (Trematoda) in cattl...

    Authors: Fazle Rabbi Shakil Ahmed, Afroza Sultana, Mst. Jesmin Sultana and Antara Saha
    Citation: Bulletin of the National Research Centre 2022 46:94
  10. Leishmaniasis is a neglected tropical disease caused by a group of protozoan of the genus Leishmania and transmitted to humans majorly through the bite of the female sand fly. It is prevalent in the tropical regi...

    Authors: Fabian Audu Ugbe, Gideon Adamu Shallangwa, Adamu Uzairu and Ibrahim Abdulkadir
    Citation: Bulletin of the National Research Centre 2022 46:92
  11. The safe disposal of green waste is necessary for a clean environment, with the safe disposal of waste contaminated with aflatoxins being of particular importance. This work presents a novel route for utilizin...

    Authors: Samar A. El-Mekkawi, Ahmed Salem Sebaei and Shereen Kamel Amin
    Citation: Bulletin of the National Research Centre 2022 46:91
  12. Fibromyalgia syndrome (FM) is often accompanied by anxiety. Dental anxiety is common in society and negatively affects the application of patients to the dentist.

    Authors: Manolya Ilhanli, Mehmet Alptekin Karacesme, Ilker Ilhanli and Peruze Celenk
    Citation: Bulletin of the National Research Centre 2022 46:90
  13. The long-acting reversible contraceptive method is one way to overcome the high population growth rate. The long-term contraception method is more efficient to regulate pregnancy because it can be used for a l...

    Authors: Fitriana Putri Utami, Erni Gustina, Dedik Sulistiawan, Ratu Matahari and Bakti Permata Sari
    Citation: Bulletin of the National Research Centre 2022 46:89
  14. Grey mould caused by Botrytis cinerea of cucumber immature fruits is the most epidemic fungal diseases causing significantly losses of fruits during development on cucumber plant in winter season.

    Authors: El-Sayed H. E. Ziedan, Moataza M. Saad, Ahmed A. El-Kafrawy, Ahmed F. Sahab and Abdel-Tawab H. Mossa
    Citation: Bulletin of the National Research Centre 2022 46:88
  15. Odonata (dragonfly and damselfly) are particularly good indicators of freshwater ecosystem health. The constant disturbance of freshwater habitats can result in the reduction of Odonata species diversity. Chan...

    Authors: Babasola Adu, Omolola Dada and Victor Tunwase
    Citation: Bulletin of the National Research Centre 2022 46:86
  16. Plant foods have gained tremendous consideration as a significant progenitor of bioactive substances with several therapeutic advantages over synthetic drugs. Shallot (Allium ascalonicum L.) together with plantai...

    Authors: Aanuoluwapo Elizabeth Adeyemo, Olufunmilayo Sade Omoba, Aderonke Ibidunni Olagunju and Sunday Solomon Josiah
    Citation: Bulletin of the National Research Centre 2022 46:85
  17. Wild cocoyam (Caladium bicolar) is non-edible starchy material which is commonly known as ‘Ede umuagbara’ in the south-east region of Nigeria. Evaluating the potential of wild cocoyam for citric acid production w...

    Authors: Ifeanyi Boniface Ezeaa and Emmanuel Ezaka
    Citation: Bulletin of the National Research Centre 2022 46:84
  18. The most critical part in management of children in the dental clinic is control of pain and this can be achieved through local anesthesia. When the treatment plan includes extraction of mandibular primary mol...

    Authors: Rasha F. Sharaf and Nihal Kabel
    Citation: Bulletin of the National Research Centre 2022 46:83
  19. Increasing cultivation of strawberry in Egypt has boosted efforts to increase its yield. Biocontrol agents (BCAs) may avoid side effects and health risks caused by chemical fungicides used to control black roo...

    Authors: Farid Abd-El-Kareem, Ibrahim E. Elshahawy and Mahfouz M. M. Abd-Elgawad
    Citation: Bulletin of the National Research Centre 2022 46:82
  20. Samples of hunted greater cane rat (Thryonomis swinderianus) were collected from Oluwo Market, Epe and Odo Ona Kekere in Oluyole Local Government Area Ibadan, Nigeria. Trace metals such as zinc, cadmium, vanadium...

    Authors: Ayodele Elizabeth, Akinsanya Bamidele, Ogunyebi Amos Lanrewaju, Akeredolu Excellence and Isibor Patrick Omoregie
    Citation: Bulletin of the National Research Centre 2022 46:81
  21. The purpose of this review was to provide and synthesize validated and up-to-date scientific knowledge on the benefits and drawbacks of crossbreeding as a basis for goat production by Ethiopian smallholder far...

    Authors: Belete Kuraz Abebe
    Citation: Bulletin of the National Research Centre 2022 46:80
  22. In recent years, special attention has been focused on the use of natural adsorbents as an alternative to replace the conventional adsorbents, based on both the environmental and the economical points of view....

    Authors: Nazar A.aziz ElNasri, Nazar Abdallazim Wadidi, Alkhair Abd Almahmoud Idris, Saba Kidane Woldemicheal and Sabah Ibrahim Ahmed El Haj
    Citation: Bulletin of the National Research Centre 2022 46:79
  23. Mosquitoes are considered to be the main vector of a variety of diseases in both humans and domesticated animals. The development of insecticide resistance and the limitations of traditional insecticide-based ...

    Authors: Hatem A. Shalaby, Heba M. Ashry, Moataza M. Saad, Amira H. El Namaky and Marwa T. Hassen
    Citation: Bulletin of the National Research Centre 2022 46:78
  24. Intercropping systems play an effective role in increasing the efficiency of land usage and improving the economic return. During the seasons of 2018 and 2019, the field experiment was conducted to evaluate th...

    Authors: Mahmoud Sami Abourayya, Nabila Elbadawy Kaseem, Thanaa Shaban Mohamed Mahmoud, Neama Mohamed Marzouk and Amal Masoad Rakha
    Citation: Bulletin of the National Research Centre 2022 46:77
  25. Ochronotic arthropathy affecting the hip and knee joints is one of the musculoskeletal manifestations of alkaptonuria which results from a tyrosine amino acid metabolism disorder. The condition has no definiti...

    Authors: Ahmed A. Khalifa, Mohamed M. A. Moustafa, Hatem Bakr and Ahmed M. Abdelaal
    Citation: Bulletin of the National Research Centre 2022 46:76
  26. This study investigated the effect of preheating of bulk-fill BIS-GMA free and containing resin composite on post-gel shrinkage strain. In a split Teflon mold, sixty resin composite specimens were prepared wit...

    Authors: Mohamed Lotfy, Nermin A. Mahmoud and Mona I. Riad
    Citation: Bulletin of the National Research Centre 2022 46:74
  27. Hormone production by the thyroid gland is a prime aspect of maintaining body homeostasis. In this study, the ability of single artificial intelligence (AI)-based models, namely multi-layer perceptron (MLP), s...

    Authors: Abdullahi Garba Usman, Umar Muhammad Ghali, Mohamed Alhosen Ali Degm, Salisu M. Muhammad, Evren Hincal, Abdulaziz Umar Kurya, Selin Işik, Qendresa Hoti and S. I. Abba
    Citation: Bulletin of the National Research Centre 2022 46:73
  28. Food hygiene and safety is of utmost importance for public health, as it helps to protect the health of consumers from foodborne illnesses. Although, hundreds of plant species have been screened and tested for...

    Authors: Tope Abraham Ibisanmi and Jamiu Olaseni Aribisala
    Citation: Bulletin of the National Research Centre 2022 46:72
  29. As a result of aberrant neural development, autism spectrum disorder (ASD) is characterised by complicated behavioural and memory issues. The dearth of knowledge about the actual etiopathology of autism makes ...

    Authors: K. N. Jiji and P. Muralidharan
    Citation: Bulletin of the National Research Centre 2022 46:71
  30. The Nile River included diverse phytoplankton compositions belonging to five main phytoplankton categories. Algae have been classified and identified through comparative morphology.

    Authors: Adel Hussein Abouzied and Hanan A. S. Hassan
    Citation: Bulletin of the National Research Centre 2022 46:70
  31. Gastrointestinal tract can be compressed by many vascular structures in the abdomen; such compressions may be incidentally found or may result in compression symptoms like abdominal pain and vomiting.

    Authors: Mohammed Tag-Adeen, Abeer Awad Abdellatif, Ahmed Hosni Kamel and Mohamed Alboraie
    Citation: Bulletin of the National Research Centre 2022 46:68
  32. Litsea cubeba (Lour) Pers. (Lauraceae) fruit has traditionally been used in treatment of diabetes in Sikkim, India. The purpose of the present study is to investigate the antidiabetic activity of methanol extract...

    Authors: Waquar Ahmed Goldar, Sandipan Jana, Reshma Kumari, Sanjib Bhattacharya and Pallab Kanti Haldar
    Citation: Bulletin of the National Research Centre 2022 46:67
  33. Due to the scarcity of concentrate and green fodder and its high prices in animal feeding, the quest for readily available and inexpensive alternative sources has become critical for breeders seeking to minimi...

    Authors: Soad El Naggar and Hany S. El-Mesery
    Citation: Bulletin of the National Research Centre 2022 46:66
  34. Dengue virus (DENV) infection is spreading rapidly, especially in the subtropical and tropical regions, placing a huge percentage of the global population at risk and causing repeated outbreaks. DENV protease ...

    Authors: Samuel Ndaghiya Adawara, Gideon Adamu Shallangwa, Paul Andrew Mamza and Ibrahim Abdulkadir
    Citation: Bulletin of the National Research Centre 2022 46:65
  35. Exposure to cadmium is implicated in the etiology of some neurodegenerative diseases. Compounds isolated from Ipomoea cairica extract are neuroprotective. However, there is no reported neuroprotective activity of...

    Authors: Omotayo B. Ilesanmi, Temitope Temiloluwa Odewale, Oghenetega J. Avwioroko, Mohammed Alqarni, Ahmad J. Obaidullah, Francis O. Atanu, Toyin Binang and Gaber El-Saber Batiha
    Citation: Bulletin of the National Research Centre 2022 46:64
  36. Starches have been shown to be important across various disciplines such as the pharmaceutical industries, food industries and also paper industries. Starch is basically a mixture of polymers consisting of α-d-gl...

    Authors: Ifeanyi Justin Okeke, Angus Nnamdi Oli, Chioma Miracle Ojiako, Emmanuel Chinedum Ibezim and Jude N. Okoyeh
    Citation: Bulletin of the National Research Centre 2022 46:63
  37. Endocrine disruptors originate from multiple sources making their health impacts enormously complex. This study systematically synthesizes the sources, exposure, and effects of personal care products on reprod...

    Authors: Moses Asori, Julius Odei, Daniel Katey, Truus Apoanaba Abuosi and Razak M. Gyasi
    Citation: Bulletin of the National Research Centre 2022 46:61
  38. Antibiotic resistance has risen as a result of a variety of conditions, prompting researchers to look for new compounds that can combat multidrug-resistant organisms. Over the last two decades, chalcones have ...

    Authors: AbdulRazaq Tukur, James Dama Habila, Rachael Gbekele-Oluwa Ayo and Ogunkemi Risikat Agbeke Iyun
    Citation: Bulletin of the National Research Centre 2022 46:60
  39. This study focussed on effective bibliometric analysis of research on Ramsar sites in India within the last 30 years using VOS viewer software. The study focused on the estimation of the current areal extent a...

    Authors: Malabika Biswas Roy, Swetasree Nag, Sudipa Halder and Pankaj Kumar Roy
    Citation: Bulletin of the National Research Centre 2022 46:59
  40. Lymphangioma is a multi-systemic disease mostly affecting the mesentery, omentum, mesocolon and retroperitoneum and rarely involving bone, with fewer than 30 cases reported so far. Lymphangioma usually has no ...

    Authors: Hongyi Li, Meng Zhang, Jingzhi Ye, Yanxia Chen and Mengqiang Xiao
    Citation: Bulletin of the National Research Centre 2022 46:58
  41. Adipose tissue is a major endocrine organ capable of releasing inflammatory adipokines that are linked to changes occurring in the overfed state, where tissue remodeling results in hypertrophic adipocytes that...

    Authors: Cristina Caldari-Torres and Jordan Beck
    Citation: Bulletin of the National Research Centre 2022 46:57
  42. In recent times, there had been report of diverse particulate nucleic acid-related infections and diseases which have been associated with endemic, sporadic, and pandemic reports spreading within water nexus. ...

    Authors: Bright Esegbuyota Igere, Hope Onohuean and Uchechukwu U. Nwodo
    Citation: Bulletin of the National Research Centre 2022 46:56
  43. Recovery of valuable ingredients from black liquor could lead to an environmentally and economically sound bioethanol production technology. In this work, two schemes comprising hybrid membrane systems incorpo...

    Authors: Abdelghani M. G. Abulnour, Marwa M. El Sayed, Shadia R. Tewfik, Heba A. Hani, Mohamed H. Sorour and Hayam Shalaan
    Citation: Bulletin of the National Research Centre 2022 46:55
  44. COVID-19 outbreak has engulfed different parts of the world, affecting more than 163 million people and causing more than 3 million deaths worldwide due to human transmission. Thus, it has become critical to i...

    Authors: Arpita Suri, Naveen Kumar Singh and Vanamail Perumal
    Citation: Bulletin of the National Research Centre 2022 46:54

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