Browsing Journal Articles (PAS) by Title
Now showing items 48-67 of 258
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Capping Ligand Influence on the Structural, Optical and Luminescence Properties of CdTe Nanoparticles Prepared by a Simple Wet Chemical Process
(2019-03)The nature of the capping ligands used and the strength of their interactions with the surface atoms of the nanoparticles (NPs) impact greatly on the material properties and the stability of the resulting NPs. The structural ... -
Capture–recapture for estimating the size of the female sex worker population in three cities in Coˆ te d’Ivoire and in Kisumu, western Kenya
(2010-12)Objective To estimate the female sex worker population size in three cities in Coˆ te d’Ivoire and in Kisumu, Kenya. Methods Capture–recapture was used, calculating size estimates by first ‘tagging’ a number of individuals ... -
Cardiovascular Disease Risk Factors in HIVInfected Adults in Nyeri County, Kenya
(International Journal of Health Sciences and Research Vol.11; Issue: 5; May 2021, 2021)Cardiovascular diseases (CVD) is currently second, after cancer, as the most frequent cause of death among HIV-positive subjects in areas of the world where Highly active anti-retroviral therapy (HAART) is widely available. ... -
Cellular responses against Schistosoma mansoni in immunized Balb/c mice with soluble proteins from intermediate host, Biomphalaria pfeifferi
(2012-10)Scores of millions of people around the world are infected by Schistosoma mansoni causing considerable morbidity, mortality and loss of productivity. Safe chemotherapeutic agents have been used though there are challenges ... -
Challenges and Opportunities for promoting Maternal, New born, and Child Health in urban informal settlements: perspectives of Community Health Volunteers in Nairobi, Kenya
(2016-10)Across the world, Community Health Volunteers (CHVs) are recognised as first line health care providers. Overtime, the Kenyan government has acknowledged CHVs as an integral component in provision of first line health care ... -
Characterization of Clays from selected sites for Refractory Application
(2019-11)Clay is a stony or earthy mineral aggregate composed of fine-grained minerals, which are plastic at appropriate water content and hardens up when fired. Clay soils have various mineral groups such as kaolinite, smectites, ... -
Characterization of Immunogenic Soluble Crude Proteins from Biomphalaria Pfeifferi Against Schistosoma mansoni
(2020-06-30)Schistosomiasis is the second most prevalent tropical disease in the world after malaria. Chemotherapy and molluscicides which are the main methods of control do not give lasting protection as the disease continues to ... -
Charge extracting buffer layers in bulkheterojunction organic solar cell
(Springer, 2015-08-27)The effects of boron and nitrogen-doped carbon nanotubes (B- or N-CNTs) have been investigated as photoactive and charge extracting layer in bulk heterojunction organic solar cell composed of poly(3-hexylthiophene) [P3HT] ... -
Chemical Composition And Biological Activity Of Extracts From Conyza Species
(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 ... -
Chemical composition and repellency of Nigella sativa L. seed essential oil against Anopheles gambiae sensu stricto
(2020-04)Malaria which is caused by the Plasmodium parasite and transmitted through bites of infected female Anopheles mosquitoes is an important public health concern in Africa. Insect repellents are commercially available but ... -
Chemical Composition of Essential Oils from Ocimum Kilimandscharicum: A Review.
(IOSR Journal of Applied Chemistry (IOSR-JAC).Volume 15, Issue 11 Ser. I (November 2022), PP 05-11, 2022)Traditional medicine plays an important role in disease especially in developing countries. The essential oils of Ocimum species showed anti-oxidant, anti-inflammatory, anti-cancer and insecticidal activities. Essential ... -
Chemical Constituents of Essential Oils from Three Eucalyptus Species Acclimatized in Ethiopia and Kenya
(2014-11)Essential oils obtained by steam distillation of three Eucalyptus species acclimatized in Ethiopia and Kenya were analyzed using GC and GC-MS. The species were Eucalyptus citriodora, Eucalyptus globulus and Eucalyptus ... -
Chemical Constituents of Ocimum Kilimandscharicum Guerke Acclimatized In Kakamega Forest, Kenya
(Chemical Society of Ethiopia, 2019-10)The genus Ocimum belongs to the Lamiaceae family and is made of almost 200 species of herbs and shrubs which have potential medicinal properties. The species are native to the tropical and temperate climate zones around ... -
Coffee phytochemicals and post-harvest handling—A complex and delicate balance
(Journal of Food Composition and Analysis 102 (2021) 103995, 2021)The balance between coffee phytochemicals and post-harvest handling is complex and delicate since these compounds are affected either negatively or positively. Studies have shown positive health effects arising from regular ... -
Comparing Bethesda System and Richart Score in the evaluation of cervical lesions among women on contraceptives attending Machakos Level V County Hospital in Kenya
(2021-03)Background of the study: Early detection of the precursor lesion before the invasive stage of cervical cancer prevents further damage to the neighbouring tissues and organs. Bethesda system which applies cytological ... -
A comparison investigation of optical, structural and luminescence properties of CdOxTe1−x and CdTexSe1−x nanoparticles prepared by a simple one pot method
(Elsevier, 2018-04)We present L-cysteine capped CdOXTe1−X and CdTeXSe1−X nanoparticles (NPs) prepared in one pot. The as-prepared CdOXTe1−X NPs were found to have a hexagonal crystal structure of CdTe with a cubic phase of CdO. There was, ... -
Copper extraction by wet chemical method
(Journal of Sustainable Mining, 2018) -
Copper Extraction Using Aluminum in Acidic Leachate Media
(IISTE, 2020)Copper is found in several minerals with varied elemental composition. For instance, copper minerals occur as chalcopyrite (CuFeS2), bornite (Cu5FeS4), chalcocite (Cu2S), covellite (CuS), cuprite oxide (Cu2O), and malachite ...