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An investigation of arsenic in biological samples from unexposed volunteers in the UKBrima, Eid Ibrahim January 2007 (has links)
This thesis describes studies on the analysis of arsenic (As) in human biological samples, mainly urine but also hair and fingernails using inductively coupled plasma mass spectrometry (ICP-MS) and graphite furnace atomic absorption spectrometry (GF-AAS). The relationship between ethnicity and arsenic metabolism was investigated for the first time for a population in the United Kingdom. This investigation has been carried out through comparative analysis of arsenic in human urine, hair and fingernails in volunteers from three different ethnic groups (Whites, Asians and Somali Black-Africans) who are only exposed to background levels of arsenic. Results obtained with 63 volunteers showed ethnic differences in urinary arsenic excretion as well as differences in arsenic levels in fingernail samples. The averages of total arsenic levels for the Somali Black-Africans (urine 7.2 µg/g creatinine; fingernails 723 µg/kg) are significantly (P< 0.05) different from both the Asians (urine 20.6 µg/g creatinine; fingernails 153.9 µg/kg) and Whites (urine 24.5 µg/g creatinine; fingernails 177.0 µg/kg). The Somali group also shows a higher percentage (50%) of dimethylarsinate (DMA) and a lower percentage (48%) of arsenobetaine (AB), compared to Asians (16% DMA and 83% AB) and Whites (22% DMA and 77% AB). The effect of fasting on urinary arsenic species distribution was also investigated by monitoring urine samples from 29 Ramadan fasting volunteers, with each volunteer providing a sample at the beginning (RF1) and at the end (RF2) of an approximately 12 hours fast. The results obtained showed the frequency of MA detection for RF2 was 12 and 2-fold higher than for the non-fasting and RF1 groups, respectively. This suggests fasting may alter the pattern of arsenic metabolism and excretion. However, there was no significant difference (P> 0.05) in the average of total level of arsenic for RF1 (18.3 µg/g creatinine) and RF2 (17.7 µg/g creatinine). A relationship between excretion of arsenic and selenium in individuals exposed to background levels of arsenic and selenium was investigated through analysis of urine samples from 93 volunteers from Leicester, UK. A positive correlation between arsenic and selenium was found and the As:Se ratio was 0.7 ± 0.4. The intra-individual variation of As:Se ratio does not alter significantly over time, as determined by monitoring urine samples from a volunteer over a period of one year. Furthermore, within a single day, with urine samples collected at the beginning and after a 12-hour fast, the As:Se ratio was found to be similar (0.7 ± 0.5). These findings suggest a close relationship between these two metalloids, the biological significance of which needs to be explored in the future.
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Ethnicity and primary care : a comparative study of doctor-patient relationship, perceived health, symptomatology, and use of general practitioner services by Asian and white patients, and the Bradford general practitioners' attitudes towards these patientsAhmad, Waqar Ihsan-Ullah January 1989 (has links)
Britain's Asians are a young population and their socio-economic status is low, with racial disadvantage in housing, employment, education and health. Research on their health has usually not been conducted in its socio-economic and demographic context and there is little on their use of primary care. Three studies were conducted to investigate their relationship with primary care in Bradford. A study of general practice attenders of white/British, Pakistani and Indian origin confirmed the demographic and socio-economic differences between the groups. The former had higher rates of alcohol and cigarette consumption. For Pakistanis and Indians, fluency and literacy in English was poor. Ethnic and linguistic match between doctor and patient was more important in patients' choice of doctor than the doctor's sex. Differential employment status of Asian and white/British accounted for some of the differences in health. A study of general practice attendance showed similar rates of surgery consultations between Asians and Non-Asians; the latter made greater use of domiciliary services. Both these studies were conducted in an inner Bradford health centre with an Asian male, a white male and a white female doctor. Bradford GPs were found to perceive that Asian patients made greater use of surgery and domiciliary consultations; attended more often for trivial complaints; and had lower compliance rates than Non-Asians. These perceptions were not supported by objective data. Better qualified GPs had a smaller, and Asian doctors had a greater proportion of Asian patients on their lists. Research, and action on Asians' health, needs to take account of their poorer socio-economic status.
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A group model of practice with girls of Asian ethnicityManhas, Sonia 05 1900 (has links)
This study examined how group work can provide a culturally-competent, gender and agesensitive
model of social work practice with girls of colour. I developed and implemented
a school-based girls' group program specifically designed to outreach to girls of colour
between thirteen and eighteen years of age. Results from the program demonstrated that
through purposeful efforts to develop collaborative, non-hierarchical relationships, adult
facilitators played a significant role in creating an environment in which girls could speak
about issues that were important to them, including those related to race and culture.
During the group sessions, girls learned about each other and themselves, identified
similarities in their experiences as immigrants to Canada, and created a sense of group
belonging. Similarity in non-dominant cultural status and gender among participants and
facilitators appeared to have contributed to the group's cohesiveness and countered
structural barriers to addressing race and culture. This study highlighted the value of a
group model of practice to provide girls of colour with their own space to freely explore
individual experiences and a vehicle for community organizing.
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An analysis of the arrival, settlement and domestic arrangements of South Asian Muslim salon workers in Durban.Khan, Aneesah. January 2011 (has links)
This study examines the arrival and settlement of a sample of South Asian Muslim male migrants who are salon owners and salon employees in Durban, South Africa. The increasing visibility of the expansion of Pakistani, Indian and Bangladeshi migrant communities in Durban led to an interest in focusing on those issues which constitute the core of this research, namely: why they migrate, who migrates, how they migrate and arrive here, as well as settle into the work that they do. The broader purpose of this research was to investigate their living arrangements and social dynamics of their working and domestic lives. It also explores the challenges and opportunities that migrants encounter from the time they decide to leave home up until arrival in the country of resettlement and the way in which transnational social ties assist in helping them transcend such obstacles and reap the benefits of available prospects. Central to this project was also the adoption of salon work as a livelihood strategy as well as issues of integration, identity construction and the perceptions of foreign migrants and their enterprises from the view of local salon owners and local customers of foreign owned salons. It shows how migrants remain who they are and how the host society becomes a terrain in which their normative social practices are recreated and enjoyed. The study is anthropological in nature and therefore aims to capture the complexities of the migrant experience from the individuals' perspectives through the use of case studies. As part of the qualitative approach, observations of foreign owned enterprises were conducted, random sampling was used to select participants, and semi-structured interviews made it possible to acquire data. The exploratory goal of the study aims to illustrate that migrants are individuals who leave home with the hope of transforming their dreams and ambitions into a brighter prosperous reality not only for themselves, but more importantly their families too. / Thesis (M.A.)-University of KwaZulu-Natal, Durban, 2011.
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Investigation of the origin of the coronary artery calcification process and its relationship to the atherosclerotic cardiovascular diseaseKoulaouzidis, George January 2013 (has links)
The objectives of this thesis are: a) To examine racial/ethnic differences in coronary artery calcification (CAC) and CAD, between symptomatic South Asians and Caucasians, matched for age, gender and conventional cardiovascular risk factors, b) To assess, using a meta-analysis model, the natural history of and stability of measurements of coronary artery calcium scoring (CACs) based on data collected from two large published trials: St Francis and EBEAT, c) To investigate the prevalence of coronary artery calcification in individuals with CT evidence for AVC, mitral valve calcification (MAC) or of both of them (AVC+MAC), d) To assess any potential association between premature CAD (<55 years in first-degree male relatives and <65 years in first-degree female relatives) and CAC in a large cohort of asymptomatic individuals. We found that coronary artery calcification is more extensive and diffuse in symptomatic patients of South Asian ethnic origin as compared to Caucasians, despite similar conventional risk factors for CAD. This is more evident in those >50 years of age, suggesting potential genetic or other risk factors yet to be determined. The natural history of coronary artery calcification was overtime progression in the majority of subjects, irrespective of gender. The higher variability in RCA measurements could be related to the low baseline CACs or exaggerated movement of the right side atrioventricular ring, whereas those for LCA brances are influenced by the branch allocation of the CACs. Valve calcification is not isolated but involve also and the coronary arteries. The presence of calcification in the aortic valve or combined aortic and mitral valves predicted coronary artery calcification. Additionally patients in whom both valves have become calcified tend to have severe coronary artery calcification. And finally, there is no relationship between the prevalence and extent of coronary artery calcification and the presence of family history of coronary heart disease in asymptomatic individuals with none of the conventional risk factors for atherosclerosis.
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Differences in small-for-gestational-age and preterm birth among Asian subgroups in relation to nativity status.Kan, Jessica. Waller, Kim, Kelder, Steven H. Hanis, Craig January 2008 (has links)
Thesis (M.P.H.)--University of Texas Health Science Center at Houston, School of Public Health, 2008. / Source: Masters Abstracts International, Volume: 46-05, page: 2667. Advisers: Kim Waller; Steven Kelder. Includes bibliographical references.
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Language maintenance or language shift ? : a study of South Asian ethnic minorities' Chinese language learning in Hong KongKung, Shui Man Jessica 01 January 2012 (has links)
No description available.
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Investigating the use and identity of traditional herbal remedies amongst South Asian communities using surveys and biomolecular techniquesBhamra, Sukvinder January 2016 (has links)
Herbal medicines (HMs) have been used to supplement, maintain, and treat health conditions, and have inspired the development of many Western pharmaceuticals. Migrant South Asian (SA) communities in the UK have brought with them their own traditional forms of medicine, yet little is known about their current use of HMs in the UK. Consuming HMs alongside conventional Western medicines could affect pharmacological treatment and lead to herb-drug interactions; hence, healthcare professionals (HCPs) should be aware of their patients’ use of HMs. The import of HMs to the UK raises concerns over the quality, safety and regulation of HMs. Deoxyribonucleic acid (DNA) barcoding can be used to discriminate between different species, and identify contaminants and adulterants, thus can be used for the authentication of HMs. The South Asian Traditional Medicines (SATMED) questionnaire explored the knowledge and use of HMs by diasporic SA communities in the UK. It uncovered a vast range of HMs which were used by participants, where ingredients were sourced from, the concurrent use of herbal and Western medicines, and how minor ailments were treated. An online survey designed to investigate UK based practitioners’ views of HMs revealed that HCPs claimed to lack sufficient knowledge of HMs. HCPs said they needed more training on HMs to help them make better informed decisions. Tulsi (Ocimum tenuiflorum L.) was identified as a culturally and commercially valuable plant, which was used for molecular analysis. A variety of tulsi samples were collected for authentication: community samples from SA families in the UK, commercial samples, and referenced specimens. Both ITS and trnH-psbA regions were successfully used to distinguish between several Ocimum species, and identify a potential species substitution. This research represents the first time that DNA based methods have been used to authenticate medicinal plants species used by migrant SA communities living in the UK. The results of this multi-disciplinary study provide a unique contribution to the evolving discipline of ethnopharmacology.
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A group model of practice with girls of Asian ethnicityManhas, Sonia 05 1900 (has links)
This study examined how group work can provide a culturally-competent, gender and agesensitive
model of social work practice with girls of colour. I developed and implemented
a school-based girls' group program specifically designed to outreach to girls of colour
between thirteen and eighteen years of age. Results from the program demonstrated that
through purposeful efforts to develop collaborative, non-hierarchical relationships, adult
facilitators played a significant role in creating an environment in which girls could speak
about issues that were important to them, including those related to race and culture.
During the group sessions, girls learned about each other and themselves, identified
similarities in their experiences as immigrants to Canada, and created a sense of group
belonging. Similarity in non-dominant cultural status and gender among participants and
facilitators appeared to have contributed to the group's cohesiveness and countered
structural barriers to addressing race and culture. This study highlighted the value of a
group model of practice to provide girls of colour with their own space to freely explore
individual experiences and a vehicle for community organizing. / Arts, Faculty of / Social Work, School of / Graduate
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Trauma, Posttraumatic Stress Disorder Symptoms, and COVID-19 Impacts among South AsiansRafiuddin, Hanan S. 08 1900 (has links)
South Asians are the third fastest growing racial/ethnic minority group in the United States with distinct cultural characteristics. The coronavirus disease 2019 (COVID-19) pandemic has disproportionately impacted racial and ethnic minorities in the U.S, including South Asians, across several life domains: work, home life/education, social activities, economic, emotional and physical health, infection, quarantine, and positive changes. The COVID-19 pandemic may have critically impacted South Asians with traumatic event experiences and posttraumatic stress disorder (PTSD) symptom severity across several life domains. Limited work suggests high rates of interpersonal traumas and substantial PTSD symptom severity in the South Asian community. Uniquely, the current study examined which life domains impacted by the COVID-19 pandemic associated with a greater count of traumatic event types, interpersonal vs. non-interpersonal traumas, and PTSD symptom severity. Results revealed that negative experiences in social activities, as well as distress in economic, emotional, and physical health domains, were significantly associated with the count of traumatic event types. Negative social activity experiences, and distress in the economic and emotional health domains, were also significantly associated with PTSD symptom severity. Quarantine and physical health domains significantly associated with the count of interpersonal traumas, while COVID-19-related experiences (in social, quarantine, and infection domains) significantly associated with the count of non-interpersonal traumas. Findings inform clinically relevant pandemic research in a vulnerable population and provide trauma and PTSD prevalence estimates in the South Asian community.
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