OALib Journal
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Jun 09, 2021Open    AccessArticle

Current Trends in the Use of Cannabis sativa: Beyond Recreational and Medicinal Applications

Micah O. Omare, Joshua K. Kibet, Jackson K. Cherutoi, Fredick O. Kengara
Cannabis sativa finds application in the medical field as an opioid (medical marijuana) and as a recreational drug despite the fact that it is a prohibited drug substance in many countries. Currently, there are reports on the increasing trends in the number of deaths associated with the use of marijuana. Regardless of these dangers, some countries across the world have legalized the sale and use of marijuana for recreational and medicinal purposes. For these reasons, this review seeks to ...
Open Access Library J. Vol.8, 2021
Doi:10.4236/oalib.1107132


May 28, 2021Open    AccessArticle

Aviation Noise and Air Pollution: Results of a Study at Entebbe International Airport, Uganda

Austine Omolo, Christopher Angiro, Waganesh Admase Wagaye, Elly Olomo, Jasper Okino, Timothy Omara
For a landlocked country like Uganda, air transport is centermost to its import-export trade. As such, the aviation industry is important for its economic and political survival since it guarantees access to the outside world. This study reports on the noise and air pollution levels at Entebbe International Airport, Uganda. We found that the airport experiences irregular noise frequencies with the midday having the highest noise intensities that exceed permissible limits of 60 decibels. Carbon d...
Open Access Library J. Vol.8, 2021
Doi:10.4236/oalib.1107454


Dec 31, 2020Open    AccessArticle

Contemporary Trends in the Use of Khat for Recreational Purposes and Its Possible Health Implications

Micah O. Omare, Joshua K. Kibet, Jackson K. Cherutoi, Fredick O. Kengara
Khat is an ancient class C drug substance that is usually consumed for its stimulating effects induced by the intake of psychoactive alkaloids—cathinone and cathine which have been identified as precursors for oral cancer and impotence in men in addition to other health complications. Although khat is legal in Kenya, some countries have outlawed the cultivation, sale and possession of khat as a countermeasure against narcotic and psychotropic substances. The increasing trends in the use of khat ...
Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1106985


Jul 31, 2020Open    AccessArticle

Post Analysis of Proficiency Test Samples Using Nuclear Magnetic Resonance Spectroscopy

Mamta Sharma
Paper describes the Post Nuclear Magnetic Resonance Spectroscopic analysis of proficiency test samples using Phosphorus NMR. In our study two-dimensional 1H-31P NMR method was optimized effectively for identification of Chemical weapon convention related scheduled organophosphorus compounds in the environmental samples provided by OPCW during proficiency test, while second report is on post analysis of proficiency test sample, carried out to reexamine the samples to observe the missed organophos...
Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1106565


May 26, 2020Open    AccessArticle

Controlling COVID-19 Pandemic through Wastewater Monitoring

Djamel Ghernaout, Badia Ghernaout
The continuing global pandemic of coronavirus disease 2019 (COVID-19) produced via severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been a Public Health Emergency of International Concern. Even if the main transmission pathways of SARS-CoV-2 are inhalation from person-to-person and aerosol/droplet transmission, it is proved that the viral ribonucleic acid (RNA) could occur in wastewater, proposing the necessity to better comprehend wastewater as possible sources of epidemiologica...
Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1106411


May 25, 2020Open    AccessArticle

Water Treatment Challenges towards Viruses Removal

Djamel Ghernaout
In spite of the considerable development registered in microbiology, humankind remains incapable to dominate scientifically and technologically the large microbial world. This is well established and illustrated, unfortunately, in the present Coronavirus disease (COVID-19) pandemic. This work aims to contribute to highlighting the world of pathogenic microorganisms, especially viruses, and their removal from potable water. Identical to the manner by which chemical contaminants are handled in the...
Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1106408


Apr 23, 2020Open    AccessArticle

Toxicity of Binary Mixtures of Phenol, Zinc and Cadmium to Yeast Strains Isolated from Hydrocarbon Impacted Soil

O. R. Nlemolisa, C. E. Nwanyanwu, C. O. Akujobi, F. C. Ihenetu, R. C. Nwokorie, C. C. Obasi, U. N. Kemka, K. H. Uzoho, M. C. Nwoke
Toxicity of zinc, cadmium and phenol and their binary mixtures were determined based on inhibition of dehydrogenase activities of yeasts strains isolated from hydrocarbon impacted soil. The yeasts isolated from the hydrocarbon impacted soil were identified as Saprochaete sp. and Cryptococcus sp. The toxicity of chemicals and their mixtures were evaluated in the concentration range of 0 - 16 mM for phenol, 0 - 5 mM for zinc and 0 - 0.4 mM for cadmium. The binary mixture ratios were evaluated. The...
Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1106201


Aug 26, 2019Open    AccessArticle

Determination of Radionuclides in Borehole Water in the Adenta Municipality of Greater Accra Region

H. K. Agyeman, T. Glover, B. J. Nyarko, S. Osae, E. O. Darko, F. Adeku, J. K. Amoako, J. Owusu-Banahene, S. Inkoom, B. K. Agyeman, M. Abubakar, P. O. Manteaw, E. Amoatey, O. Gyamfi, D. F. Charles
This study was carried out in the Greater Accra Region of Ghana mainly in the Adenta Municipality to determine the baseline radioactivity levels of naturally occurring radioactive material of water in boreholes using gamma spectrometry. According to WHO, the recommended limit of total committed annual ef-fective dose should be 100 uSv/yr for radioactive materials such as 40K, 226Ra and 232Th, which wil
...
Open Access Library J. Vol.6, 2019
Doi:10.4236/oalib.1105560


Jul 12, 2019Open    AccessArticle

Advances in the Treatment of Textile Effluents: A Review

Marco Antonio Covi Júnior, Andressa Graciele dos Santos, Elias de Paulo Silva, Guilherme Franqueiro Maimoni, Helísa Naves Martins, Maria Luiza de Moura Assis, Carmen Aparecida Cardoso Maia Camargo, Marcio Antonio Ferreira Camargo
The textile industry moves the economy of several countries, being of great importance for the internal market and also for the external market, but it is considered one of the industries that consume a greater volume of water in its productive process, being one of the largest producers of effluents. Effluents from the textile industries carry toxic, mutagenic and potentially carcinogenic sub
...
Open Access Library J. Vol.6, 2019
Doi:10.4236/oalib.1105549


May 20, 2019Open    AccessArticle

Evaluation on the Concentration of Heavy Metals in Surface Waters in the Municipality of Pratápolis-MG

Daniel Henrique Rattis Lemos, Carmen Aparecida Cardoso Maia Camargo, Marcio Antonio Ferreira Camargo, Maria Diva Landgraf
Mining causes numerous environmental impacts; among them we have to mention the water contamination due to the residues inherent to the activity. “Morro do Níquel”, a mining site, located in southwest Minas Gerais, Brazil, has promoted an increase in the mining activity in the region. There has also been an increase in the amount of residues and substrates produced with the intensification of the mining activity. Being a purificat
...
Open Access Library J. Vol.6, 2019
Doi:10.4236/oalib.1105427


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