School of Pure, Applied and Health Sciences (JA)

Elementary Removal Of Hydroquinone And 2-Naphthol From Aqueous Solutions By Aminated Cornstarch With Triethanol Amine As Bioadsorbent: Isotherms And Kinetics Studies

Bosuben, Haron.; Njoroge, Peter W.; Opiyo, Sylvia A. (Journal of Emerging Technologies and Innovative Research (JETIR), 2024)

Background: The sources of phenolics pollutants in water are mainly chemical industries and pharmaceutical. They are harmful and toxic even at modest concentrations. Despite substantial achievements for water treatment ...

Herbal Extracts Exhibit Anti-Epilepsy Properties

Opiyo, Sylivia A. (IOSR Journal of Applied Chemistry (IOSR-JAC), 2024-11)

Epilepsy refers to a group of persistent neurological illnesses characterized by seizures. It is a chronic brain disease that affects 50 million people in the world, being one of the most common neurological disorders. ...

R isk Assessment of Resident Farmer s in Kilimambogo , Kenya , Using RESRAD Computer Code.

Njoroge, P. Waithaka.; Nyambura, C. (International Journal of Scientific and Research Publications, Volume 14, Issue 9, September 2024, 2024)

The concentration of radionuclides in the any given place is determined by the geology of the area. The levels of primordial radi-onuclides present in soil samples harvested from Kilimambogo region in Kenya was measured ...

End-Point Determination In Acid Decalcification Of Bone: A New Novel Method

Manyu, Grace.; Waithaka, Peter. (International Journal of Scientific and Research Publications, Volume 14, Issue 8, August 2024, 2024)

Background: Calcium oxalate test is currently the chemical method employed in testing endpoint of decalcification in acid decalcification. However, there are challenges with this existing method used; firstly, the method ...

Utilization Of Plant Extractives And Compounds For Sitophilus Oryzae (Rice Weevil) Management

Opiyo, Sylivia A. (IOSR Journal of Biotechnology and Biochemistry (IOSR-JBB), 2024-08)

In stored crops, Sitophilus oryzae (rice weevil) can cause damage of up to 80%, depending on the circumstances of storage. A vast variety of grains and seeds, including sorghum, wheat, corn, oats, rye, barley, rice, and ...

Production And Characterization Of Bioethanol From Cassava Peels

Odongo, Irene A.; Osewe, Elly T.; Opiyo, Sylvia A. (IOSR Journal of Applied Chemistry, 2024-05)

Majority of rural Africans use inefficient energy sources like wood and fossil fuels, which are not environmentally friendly and hazardous to human health. Bioethanol is an alternative clean source of energy that can be ...

Concentrations of Selected Heavy Metals in Soil and Tomatoes (Lycopersicon Esculenta Mill.) Grown in Kirinyaga County, Kenya

Bilalo, Somo Q; Andayi, Andrew A; Njagi, Eric C; Ptoton, Brian M (International Journal of Research and Analytical Reviews (IJRAR), 2024-04)

The contamination of agricultural products by harmful heavy metals poses a significant global health concern, with potential links to severe public health issues such as cancer and neural impairment. Tomatoes (Lycopersicon ...

Effect of the use of inorganic- based photoluminescent materials in solar energy devices application

Njoroge, David Kimemia; Njoroge, Walter Kamande; Mwangi, Isaac Waweru; Tonui, Mathew (World Journal of Advanced Engineering Technology and Sciences, 2023-07-04)

The dynamic processes that take place in life require energy. The main convenient source of energy even in living tissue is hydrocarbons. This is due to the high-carbon based energy source that eventually converts fossil ...

Effect of Doping Silver Nano Particle-enhanced Titanium Dioxide with Organic Luminescent Materials for Solar Cell Application

Njoroge, David Kimemia; Njoroge, Walter Kamande; Mwangi, Isaac Waweru; Tonui, Mathew (International Journal of Recent Advances in Multidisciplinary Topics, 2023-08)

Energy is as an important resource to support and is mainly driven by fossil fuels which are easily available and convenient to use. However, these highly treasured commodities produce exhaust gases that severely damages ...

Titanium dioxide Ag NP enhanced solid solar cell electrodes for favourable efficiency

Njoroge, David Kimemia (2023-08-29)

Population growth leads to a heightened demand for working potential to support modern commercial and residential evolutions. Available conventional energy sources, however, cause environmental pollution and severe health ...

Plant Extracts and Terpenes with Antivenom Properties

Opiyo, Sylvia A.; Njoroge, Peter W. (IOSR Journal of Applied Chemistry (IOSR-JAC), 2024-03-16)

Envenoming and snakebite mortality are a significant public health concern in rural tropical areas in developing countries due to limited access to healthcare. Anti-snake venom (ASV) is the most effective counter measure ...

Warburgia Ugandensis: A Review of Compounds and Bioactivity

Opiyo, Sylvia A. (2023-07)

Warburgia species (Canellaceae) are traditionally used to treat a wide range of illnesses including stomach ache, diarrhea, abdominal pains, toothache, oral thrush, venereal diseases, cold and cough, fever, muscle pains, ...

A Review of Chemical Compounds and Bioactivity of Conyza Species

Opiyo, Sylvia A. (2023-06)

A large proportion of the African population's primary healthcare requirements are still mostly met by traditional medicine. Previous studies have demonstrated the potential of plant extracts disease management. Conyza ...

Chemical Composition And Biological Activity Of Extracts From Conyza Species

Opiyo, Sylvia A.; Njoroge, Peter W.; Kuria, Kennedy M. (iosrjournals.org, 2023-04)

The genus Conyza (Asteraceae) comprises about 50 species and found in the tropical and warm regions. Extracts from Conyza species have numerous pharmacological applications. The aim of this study was review the chemical ...

Dietary practices, habits and physical activity levels of the Swahili community, Kenya in relation to obesity and chronic diseases of lifestyle

Ndungi, F. N.; Tuitoek, Prisca J.; Aboud, A. (2018-11)

Chronic diseases of lifestyle like diabetes mellitus and hypertension appear at greater rates in populations which consumed high fat, high calorie diets and engaged in low or no physical activity. Physical inactivity and ...

Food insecurity, a perceived barrier to healthy eating in the Lake Victoria Region, Kenya: Findings from a qualitative study

Korir, E. C.; Tuitoek, Prisca J.; Marais, D. (2022-09)

Consumption of poor-quality diets was noted as prevalent in the Lake Victoria Region, Kenya. As a strategy to communicate desirable change and promote healthy eating in the region, a 30-member panel of policymakers and ...

Perception of proposed preliminary food-based dietary guidelines for Lake Victoria region of Kenya: findings from a qualitative study among adult community members

Korir, E. C.; Tuitoek, Prisca J.; Marais, D. (2022-06)

Background: Diets in the Lake Victoria region of Kenya have been described as monotonous, consisting chiefly of starchy staple foods, accompanied by green vegetables and oil. To promote healthy eating in the region, 11 ...