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Now showing items 4036-4055 of 13633
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Enzymatic conversion of sterigmatocystin to aflatoxin B1.
(2014-06-26)The age of Aspergillus parasiticus (1-11-105Wh1) mycelium was found to have an influence on the level of enzymes, responsible for the conversion of sterigmatocystin to aflatoxin B[1] and O-methylsterigmatocystin, present. ... -
An epidemiological analysis of the Phytophthora and Alternaria blight pathosystem in the Natal Midlands.
(2014-09-11)The history of the development in Natal of a forecasting service to warn of outbreaks of late blight disease caused by Phytophthora infestans is presented. The late blight pathogen and Alternaria solani, the causal ... -
Epidemiological and clinical status of South African primary school children : investing in the future.
(2001)The physical, psychological and social development of school children has been neglected - partly because they were seen as healthy "survivors" of the ravages of childhood illnesses, and partly because of the way in which ... -
Epidemiological and clinical studies of vitamin A in Black South African pre-school children.
(1993)The ocular complications of vitamin A deficiency have been known for many years, however, recent studies have suggested that marginal vitamin A status enlarges the risk of common childhood infections and increases mortality. ... -
Epidemiological and genetic risk factors associated with asthma among children in the south Durban region, KwaZulu-Natal.
(2008)Several genes are associated with an increased susceptibility to respiratory diseases, including asthma, which may be exacerbated by ambient air pollution. These genes include the Gluthathione-S-Transferase family (GSTM1 ... -
Epidemiological impact of Tenofovir gel on the HIV epidemic in South Africa.
(Lippincott Williams & Wilkins., 2011)Background: Tenofovir gel, an antiretroviral-based vaginal microbicide, reduced HIV acquisition by 39% in women in a recent randomized controlled clinical trial in South Africa. Methods: To inform policy, we used a dynamical ... -
An Epidemiological study of gentamicin resistant gram negative bacteria with particular reference to pseudomonas aeruginosa at King Edward V111 Hospital, Durban
(1985)The sources of gentamicin resistant pseudomonads and enterobacteria were studied in detail. A total of 1703 gentamicin resistant gram negative bacilli (GRGNB) isolated from patients, staff and their immediate environment ... -
The epidemiology and control of Capsicum viruses in Natal.
(2014-12-24)Virus diseases pose a serious threat to commercial pepper (Capsicum annuum L.) production in Natal. Following a survey of the principal capsicum-producing areas, potato virus Y (PVY) was found to be the predominant virus ... -
The epidemiology and control of crucifer chocolate spot.
(2014-12-23)In the 1991/92 season, a leaf spotting disease of crucifer seedlings appeared at a number of nurseries in Kwazulu-Natal (KZN) Province. Towards the end of 1996, the disease had also been detected in Western and Northern ... -
The epidemiology and control of Leptosphaeria maculans cause of Crucifer Blackleg, in KwaZulu-Natal.
(2015-01-15)The perfect stage of Leptosphaeria maculans is reported for the first time in South Africa. Viable pseudothecia and pycnidia were found on dead, weathered tissue, sometimes in close association, whereas only pycnidia ... -
Epidemiology and management of grey leaf spot : a new disease of maize in South Africa.
(2015-01-16)Grey leaf spot is a relatively new fungal disease of maize in South Africa. It has become well established in the province of KwaZulu-Natal, and is capable of reducing grain yields by 20 to 60%. The disease is spreading ... -
The epidemiology of dual HIV infection in the KwaZulu-Natal Anti-Retroviral Roll-out Programme.
(2007)KwaZulu-Natal has the highest prevalence of HIV in South Africa. The prevalence of dual infection in a normal-risk population in this region is unknown. Dual HIV infection has important implications for diagnosis, treatment ... -
Epidemiology of human intestinal parasites in Qwa-Qwa, South Africa.
(1995)This study investigated the prevalences and intensity of intestinal parasites and aspects of their epidemiology among children in the Qwa-Qwa region of the eastern Free St~te. Faecal samples of 1180 children differing ... -
The epidemiology of malaria in Zambia.
(2003)Nearly half of the world's population lives in tropical and temperate climates where they may be at risk from one or more vector borne diseases. Approximately 2.1 billion people, living in more than 100 countries are at ... -
The epidemiology of motor vehicle collisions involving pedestrians in eThekwini Municipality, 2001-2006.
(2009)Introduction Road traffic collisions in developing countries contribute towards the greatest burden of disabilities and fatalities globally. Concern has arisen about the high proportion of pedestrians involved in ... -
The epidemiology of ocular injuries among patients presenting to provincial hospitals in KwaZulu-Natal, South Africa.
Purpose: Ocular injuries are increasingly becoming the permanent cause of visual blindness (Mufti et al, 2004). Most of the previous studies in this area are done in countries outside the African context. A limited number ... -
The epidemiology of parasuicide at RK Khan Hospital.
(1984)It was suspected that about 2 cases of parasuicide were admitted daily to RK Khan Hospital and this suspicion was confirmed by this study. Most of the cases were female, and in the 15 - 24 year age group. Patients were ... -
Epigenetic mechanisms, T-cell activation, and CCR5 genetics interact to regulate T-cell expression of CCR5, the major HIV-1 coreceptor.
(United States National Academy of Sciences., 2015)Abstract available in pdf. -
Epigentic silencing of the glucocorticoid receptor in small cell lung cancer cells.
(2013-11-01)Small cell lung cancer (SCLC) is an aggressive neuroendocrine tumour which secretes ACTH and other related peptides. Contrary to normal production by the pituitary, ACTH production is not inhibited by glucocorticoids (Gcs) ... -
An epistemological study of the power of women as nurses : a phenomenological approach.
(1996)Aim: The aim of the study was to do an epistemological analysis of the power of women as nurses working in one of the larger and more deprived regions of South Africa, namely KwaZulu-Natal. This research was based on the ...
