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All Journal Budapest International Research in Exact Sciences (BirEx Journal) Britain International of Exact Sciences Journal (BIoEx Journal)
Koto-Te-Nyiwa Jean-Paul Ngbolua
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Mathematics Medicine & Pharmacology Physics Transportation

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Design and Manufacture of a Mobile Electric Alembic for Naturally Occuring Essential Oils Extraction Ravelomanantsoa H.; Ranaivoson S.L.O.; Razafindrakoto F.N.R.; Letsara R.; Razafindramanga A.W.; Rakotomamonjy P.; Razafimahefa M.V.; Koto-Te-Nyiwa Jean-Paul Ngbolua; Randriana N.R.F.; Robijaona Rahelivololoniaina B.
Budapest International Research in Exact Sciences (BirEx) Journal Vol 5, No 2 (2023): Budapest International Research in Exact Sciences, April
Publisher : Budapest International Research and Critics University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birex.v5i2.7548

Abstract

The present study concerns the design and manufacturing of a mobile electric alembic, for its use in the distillation of three essential oils (EOs). The design was based on thermodynamic and fluid mechanics calculations to establish the sizing of the device. The heating source used is electricity using electrical resistors.  Tests were carried out to verify the ability of the alembic to extract some essential oils (Eos) from aromatic plant, such as Cinnamomum camphora, Cymbopogon citratus, Corymbia citriodora. The EO yields obtained were comparable to those described in the AFNOR. The results of the Gas Chromatography analysis were similar to the published data.
Serious Side Effects Associated with the Administration of Johnson & Johnson COVID-19 Antigens after Immunisation: A Case Report from the Wapinda Health Area (North-Ubangi) in the Democratic Republic of the Congo Vincent Danvene Gonda; Modeste Ndaba Modeawi; Ruphin Djolu Djoza; Colette Masengo Ashande; Koto-Te-Nyiwa Jean-Paul Ngbolua
Britain International of Exact Sciences (BIoEx) Journal Vol 6 No 1 (2024): Britain International of Exact Sciences Journal, January
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/bioex.v6i1.1040

Abstract

On March 10, 2020, the Democratic Republic of the Congo (DRC) declared the onset of the COVID-19 pandemic. Since then, there have been a total of 95,738 cases, comprising 95,736 confirmed cases and 2 probable cases, with 84,321 recoveries and 1,464 fatalities. Following the guidance of the World Health Organization (WHO), African nations have been actively working to establish and expand vaccination programs. Starting the vaccination campaign in the DRC on April 19, 2021, a total of 10,893,593 individuals, estimated to be 20.18% of the target population, have received vaccines. Among them, 882,106 individuals, or 1.65%, have received their first dose, while 8,576,320 individuals or 15.89% of the target population, and have been fully vaccinated. The Democratic Republic of the Congo aims to vaccinate 53.9 million people against COVID-19, according to the technical response secretariat. This article focuses on the post-vaccination symptoms observed in a resident of the Wapinda sector, Yakoma territory in Nord-Ubangi Province, which has raised curiosity and serves as the subject of discussion.
Co-Authors Colette Masengo Ashande Letsara R. Modeste Ndaba Modeawi Rakotomamonjy P. Ranaivoson S.L.O. Randriana N.R.F. Ravelomanantsoa H. Razafimahefa M.V. Razafindrakoto F.N.R. Razafindramanga A.W. Robijaona Rahelivololoniaina B. Ruphin Djolu Djoza Vincent Danvene Gonda