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Dissertations / Theses on the topic 'Tobacco px Physiological effect'

Author: Grafiati

Published: 29 July 2024

Last updated: 31 July 2025

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1

Lee, Sherman. "The effect of acute cigarette smoke exposure on regional pulmonary blood flow, volume, red cell transit and polymorphonuclear leukocyte retention in the rabbit lung." Thesis, University of British Columbia, 1985. http://hdl.handle.net/2429/24840.

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Regional pulmonary blood flow and volume was measured in ten rabbits anesthetized with pentobarbital (30 mg/kg). Tracheostomy was performed and catheters were placed into the jugular vein and carotid artery. The cardiac ⁹⁹mtc output was measured using the indicator-dilution technique using Tc labelled RBC followed by an injection of radiolabelled macroaggregates (MAA) to mark regional blood flow. Measurements were made both before and after either exposure to cigarette smoke (3 cigarettes for ten minutes at 4 puffs/minute) or sham exposure to air. The animals were sacrificed and the lungs w

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2

馮建裕 and Kin Yue Clive Fung. "The effects of non-surgical periodontal treatment on gingival suppuration, bleeding on probing and pocket depths in male tobaccosmoking and non-smoking adults." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1994. http://hub.hku.hk/bib/B38628466.

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3

Alm, David Michael. "Comparison and interaction of heat and salt stress in cultured tobacco cells." Virtual Press, 1986. http://liblink.bsu.edu/uhtbin/catkey/445616.

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Cultured tobacco cells (Nicotiana tabacum L., cv Wisconsin-38) were subjected to temporary sub-lethal heat and salt shock treatments to determine the effects of these treatments on various physiological parameters after subsequent lethal heat or salt stresses. Tobacco cells developed a tolerance to a non-permissive temperature stress (54C for 14 min) when pretreated with heat shock of 38C for 2h but not when pretreated at 42C for 2h. Cells pretreated at 38 (2h) exhibited less than 30% normal growth when the 54C stress came immediately after the 38C treatment. Tolerance to the 54C stress develo

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4

Wang, Hongying, and 汪紅英. "Studies on the mechanisms of cigarette smoke-induced apoptosis and cell proliferation in gastric epithelial cells." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2000. http://hub.hku.hk/bib/B3124113X.

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5

沈毅峰 and Ngai-fung Sham. "Study of the protective mechanisms of cigarette smoke and nicotine on experimental ulcerative colitis in rats." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B31225081.

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6

周古筠 and Ku-kwan Clara Chau. "The association of smoking and erectile dysfunction in the men's health survey." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2002. http://hub.hku.hk/bib/B31970412.

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7

Parr, Sharon M. "The effects of graduated exercise at the piano on the pianist's cardiac output, forearm blood flow, heart rate, and blood pressure." Virtual Press, 1985. http://liblink.bsu.edu/uhtbin/catkey/434086.

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The purpose of this study was to determine the effects of graduated exercise at the piano on the pianist's cardiac output, forearm blood flow, heart rate, and blood pressure. Also considered were the effects of piano practice conditioning, general cardiovascular conditioning, and acute cigarette smoking on the aforementioned parameters during and after graduated piano exercise.Fifteen adult pianists participated in the study. The piano exercises consisted of bilateral scales played in eight three-minute stages. Tempo was constant within stages but increased with each new stage. Cardiac output

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8

Gamieldien, Kareemah. "The influence of maternal nicotine exposure on selected glycolytic and cytochrome P450 enzymes in developing neonatal rat lung." Thesis, University of the Western Cape, 2005. http://etd.uwc.ac.za/index.php?module=etd&amp.

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The structural and functional integrity of a developing and maturing fetal and neonatal lung is critically dependent on carbohydrate metabolism. The energy derived from carbohydrate metabolism is utilized during the processed of cell growth and development. It is reported that maternal nicotine exposure during pregnancy and lactation results in the irreversible inhibition of glycolysis, for which no mechanism is currently proposed and a significant increase in glucose turnover. The principal objective of this thesis was to determine the influence of maternal nicotine exposure during gestation

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9

Hamadeh, Randar R. "The impact of smoking in Bahrain." Thesis, University of Oxford, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.670386.

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10

Fu, Shing-yan Karen, and 符誠欣. "Cigarette smoke-induced inflammatory changes in rat heart in vivo." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2012. http://hub.hku.hk/bib/B48333864.

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Cigarette smoke (CS) is a well-established risk factor to cardiovascular health and the most preventable cause of death. Countless studies have demonstrated its harm to health and many more studies investigating its pathogenic mechanisms. While the CS-induced pathogenic mechanism of cardiovascular dysfunction has been mainly attributed to a combination of oxidative imbalance, vascular endothelial dysfunction, inflammation and modification of lipid profile, the focus of the current study was on the mediators of inflammation and the activation of signal pathways. In this study, we investigated

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11

Bernard, Amy Lynn. "A descriptive analysis of selected smoking cessation programs." Virtual Press, 1991. http://liblink.bsu.edu/uhtbin/catkey/774763.

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The purpose of this research was to compare and contrast the components and characteristics of selected widely available smoking cessation programs.To reach this goal, an evaluation form was developed after an extensive review of the literature which addressed the structure, duration, techniques, issues which were discussed, success rates and availability of the programs. This form was tested for content validity by a jury of experts and was used to review each of thirteen selected smoking cessation programs. The reviews were conducted by the author using program materials received from the sp

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12

Chung, Siu-fung, and 鍾少鳳. "A case control study on smoking, alcohol drinking and other risk factors of coronary heart disease in Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2000. http://hub.hku.hk/bib/B29775334.

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13

周詠珊 and Wing-shan Claudia Chow. "Maternal exposure to environmental tobacco smoke and birth weight: a retrospective cohort study." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2003. http://hub.hku.hk/bib/B31970989.

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14

Shin, Vivian Yvonne, and 冼念慈. "A mechanistic study on the adverse effects of cigarette smoke extractson the delay of gastric ulcer healing." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B3122510X.

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15

Chan, Hiu-wai Hilary, and 陳曉蔚. "Iowa gambling task in schizophrenia : an examination of the effect of tobacco-smoking in risk/reward decision making." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hdl.handle.net/10722/192949.

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Background: Cognitive deficit is prominent in schizophrenia patients. We investigated the decision-making ability among schizophrenia patients and healthy controls based on their performance in the Iowa Gambling Task (IGT), a laboratory task developed for measuring individuals’ decision-making ability. We hypothesized that deficits in IGT performance in schizophrenia patients could be specifically ameliorated by smoking tobacco. In order to test this hypothesis, we compared smoking and non-smoking schizophrenia patients with healthy subjects, on their IGT performance. Method: Ten smokers wi

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16

Zhu, Changqi, and 朱昌淇. "Smoking, occupational exposures and lymphocyte DNA damage in Chinese workers." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2000. http://hub.hku.hk/bib/B31242790.

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17

Larson, Chandra S. "Perceptions of nicotine dependence and loss of autonomy among college student smokers." Virtual Press, 2003. http://liblink.bsu.edu/uhtbin/catkey/1286764.

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The purpose of the study was to determine the association of college student smokers' perceptions of nicotine dependence and measurements of loss of autonomy. The participants of the study were students enrolled in 7 randomly selected large (N > 170) core curriculum classes at Ball State University, during spring semester 2003. Using a cross-sectional data collection process, participants completed a 33 item survey consisting of questions from the Hooked on Nicotine Checklist and National College Health Risk Behavior Survey. The design of this study was to determine whether student smokers' pe

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18

Richter, William Thompson. "Parameters of nicotine titration in addicted and non-addicted cigarette smokers." Thesis, Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/91144.

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Nicotine titration was studied in cigarette smokers not interested in cutting down or quitting smoking. Forty smokers were classified as high nicotine dependent (n=20) and low nicotine dependent (n=20) using a validated tolerance questionnaire. Subjects were randomized into baseline (n=10) or nicotine fade conditions (n=10) within their dependency group. Subjects in the baseline conditions smoked their preferred brand of cigarette throughout the experiment. Smokers in the fade conditions switched to a reduced nicotine brand in the latter half of the procedure. Multiple in vivo and in vitro m

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19

Coy, Kelly (Kelly Bishop). "A Comparison of Measures of Signal-To-Noise Ratio, Jitter, Shimmer, and Speaking Fundamental Frequency in Smoking and Nonsmoking Females." Thesis, University of North Texas, 1991. https://digital.library.unt.edu/ark:/67531/metadc500903/.

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Fifteen nonsmoking and fifteen smoking females 19 to 36 years of age were evaluated on measures of signal-to-noise ratio (SNR), jitter, shimmer, and speaking fundamental frequency (F0). The results indicated that: 1) there is a significant difference between female smokers and nonsmokers on measures of SNR, mean, and maximum F0 and, 2) there is no significant difference between female smokers and nonsmokers on measures of jitter, shimmer and minimum F0 . The SNR was found to be a powerful tool which is capable of distinguishing subtle vocal characteristics between the subject groups. It would

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20

廖兆霖 and Shiu-lam Edgar Liu. "Pathogenic mechanisms of cigarette smoking on ulcerative colitis-associated neoplasia in mice." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2003. http://hub.hku.hk/bib/B3124452X.

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21

Carcaise-Edinboro, Patricia. "The relationship of dietary beta-carotene intake and serum beta- carotene levels to the development of oral lesions in smokeless tobacco users." Thesis, Virginia Tech, 1990. http://hdl.handle.net/10919/42097.

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This study was designed to assess the relationship of dietary and serum beta-carotene to the development of oral lesions in smokeless tobacco users. Eighty eight smokeless tobacco users without oral lesions and 18 with lesions participated in the study. Dietary intake of beta-carotene, personal health habits and selected dietary intake were analyzed by questionnaire. Serum levels were assessed by high pressure liquid chromotography. No correlation between dietary beta-carotene intake and serum beta-carotene levels was observed. Results of t-test analysis indicated no significant difference in

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22

Oberholster, Leon Eduard. "The patterns of cigarette smoking and beliefs, attitudes and opinions about smoking among technikon students." Thesis, 2014. http://hdl.handle.net/10210/11037.

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M.Tech. (Environmental Health)<br>Although evidence of the hazards of cigarette smoking has been in existence for many decades, millions of people around the world are still smoking, hundreds of thousands of teenagers take up smoking and the tobacco companies are allowed to continue promoting their products. To the annoyance of non-smokers, smoking is still allowed in many public places, such as restaurants and offices. This study serves, firstly, to provide an overview of the results of research on the dangers of smoking, nicotine addiction and passive smoking. Secondly, a self-completion que

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23

Samuelsen, Andrew Ira. "Transformation of tobacco with the yeast FRE1 and FRE2 genes : characterization of transformants and discovery of a temperature-dependent morphological mutant." Thesis, 1996. http://hdl.handle.net/1957/34329.

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A key mechanism utilized by plants to make iron (Fe) available for uptake is the reduction of Fe(III) to Fe(II) via an inducible, plasma membrane-bound Fe(III) reductase. Genes encoding such enzymes have not yet been isolated from plants; however, two Fe(III) reductases have been cloned from yeast. FRE1 and FRE2 account for the total membrane-associated Fe(III) reductase activity in Saccharomyces cerevisiae. If yeast reductase genes could be expressed in a plant system, root Fe(III) reduction may be enhanced, leading to a decrease in Fe chlorosis in transgenic plants. FRE1 and FRE2 were introd

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24

Bayat, Mahomed. "Cigarette smoking among Indian matriculants at ex-House of Delegates schools in Northern Kwa-Zulu Natal." Thesis, 1995. http://hdl.handle.net/10413/6078.

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A descriptive study of cigarette smoking in a sample of Indian matriculation students was undertaken in Northern Kwa-Zulu Natal in order to establish the prevalence of cigarette smoking; reasons for developing cigarette smoking behaviour; to determine knowledge about and attitudes to cigarette smoking and also to establish students' awareness of antismoking organisations and to make recommendations based on the findings. Data was collected by the researcher who administered questionnaires at various schools previously under the jurisdiction of the House of Delegates, in the towns of Newcastle,

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25

Egbe, Catherine Oritsebemigho. "Risk influences for smoking among the youth in Southern Nigeria." Thesis, 2013. http://hdl.handle.net/10413/9284.

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Introduction: Tobacco smoking continues to raise serious concerns for health promotion practitioners and health bodies globally. It has been tagged the single largest cause of all premature deaths globally. Efforts at discouraging tobacco use especially among the youth are not only aimed at reducing smoking prevalence in the short term but at disrupting the chain of supply for the tobacco marketers who see the youth population as their source of replacement smokers. Measures to curb smoking prevalence currently rely heavily on policy regulation but there is need to have a holistic approach tow

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26

Kamocki, Krzysztof. "The role of ceramides in cigarette smoke-induced alveolar cell death." Thesis, 2013. http://hdl.handle.net/1805/3311.

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Indiana University-Purdue University Indianapolis (IUPUI)<br>The complex pathogenesis of emphysema involves disappearance of alveolar structures, in part attributed to alveolar cell apoptosis. The mechanism by which cigarette smoke (CS) induces alveolar cell apoptosis is not known. We hypothesized that ceramides are induced by CS via specific enzymatic pathways that can be manipulated to reduce lung cell apoptosis. CS increased ceramides in the whole lung and in cultured primary structural lung cells. Exposure to CS activated within minutes the acid sphingomyelinase, and within weeks the de no

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27

Booyse, Wilna. "Neuropsigologiese disfunksie by kinders met oormatige lugbesoedelingsblootstelling." Thesis, 2014. http://hdl.handle.net/10210/11211.

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M.A. (Psychology)<br>The study of behavioural toxicology was started in 1972 with the Port Pirie Cohort study and therefor a relative young field. Little information is available about the effect of cigarette smoke, containing the toxic substance carbon monoxide, on the neurocognitive functioning of children. The purpose of this study was to determine whether carbon monoxide has an effect on the neurocognitive functioning of children, more specifically as it relates to school performance. A group of school children was selected in the Vaal Triangle area who were sUbjected to a large quantity o

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28

"investigation on the effects and mechanisms of action of cigarette smoking on bone in female mice: 吸煙對雌性小鼠骨頭的作用和機制研究". 2014. http://library.cuhk.edu.hk/record=b6115668.

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吸煙是引起骨質疏鬆症的因素之一。臨床研究清楚表明吸煙者的骨密度降低，但其他干擾因素可能掩蓋了吸煙對骨頭的不良效果。使用動物模型用以研究吸煙和骨質疏鬆症之間是否有直接的因果關係與它潛在的機制是有必要的。為此，我們使用年輕和雌激素耗盡的小鼠作被動吸煙模型以及小鼠成骨細胞和破骨細胞株來作研究。<br>年輕的Balb/c小鼠暴露於2%或4% (v/v)的香煙煙霧中，代表中度和重度吸煙的人。骨代謝生物標誌物明顯增加，4%吸煙組在14週後股骨的微觀結構4%顯著下降，這相等於人類吸煙12年。此外，雌性Balb/c小鼠進行4%吸煙和/或卵巢切除術(OVX)。吸煙+OVX組增加血清中骨轉換指標水平。4%吸煙組的股骨生長板較薄。μ-CT數據進一步表明，相對骨體積(BV / TV)和結構模型指數(SMI)在吸煙組有顯著影響，而且在吸煙+ OVX組上有更大程度的影響。<br>在細胞研究中使用氯仿(CSE)和乙醇的香煙提取物(ESE)。CSE抑制小鼠細胞株RAW 264.7形成破骨細胞，並刺激小鼠成骨細胞株的分化和功能。這個與體內研究矛盾的結果暗示直接從煙霧中提取的化學成分並不是引起骨質疏鬆的元兇。影響骨代謝的很可能是其他從煙霧中生成的活性代謝物和一些吸煙引起的內源性激素物質。在吸煙引起的骨質流失中，這些代謝物或內源性物質可能是非常重要的。<br>有見及此，4%吸煙小鼠的血清用以研究其對成骨細胞和破骨細胞活

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29

Kamanzi, Desire G. "Knowledge and practices of smoking among students of the University of Natal on Durban campus residences." Thesis, 2001. http://hdl.handle.net/10413/5415.

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The Health Belief Model developed by Becker ( 1984) cited in Katzenellenbogen et al. ( 1999) guided this study. The model attempts to identify beliefs and the way they may interact to influence individuals' conscious decisions to undertake certain healthrelated actions. "The most important health beliefs that influence actions are thought to be: • The person's perceived vulnerability to a particular condition or illness, • The person' s perceptions of the severity or effects of the condition or illness, • The Person's perception of the efficacy, costs, and benefits of any proposed actions" (Ka

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30

Thendele, Mervis. "Factors contributing to cigarette smoking and its health effects amongst university students South Africa." Diss., 2017. http://hdl.handle.net/11602/1081.

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MPH<br>Department of Public Health<br>Background: Globally, cigarette smoking is causing preventable deaths in developing countries affecting especially the youth. Historically, cigarette smoking is known to be more common among adults but is also becoming common among students. Purpose: The study aimed to investigate factors contributing to cigarette smoking and its health consequences amongst students of the University of Venda in South Africa. Methodology: A quantitative approach using a descriptive cross- sectional design was adopted. Convenience sampling was used to randomly select 428

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31

Albrecht, Daniel Strakis. "Assessment of the dopamine system in addiction using positron emission tomography." Thesis, 2014. http://hdl.handle.net/1805/5192.

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Indiana University-Purdue University Indianapolis (IUPUI)<br>Drug addiction is a behavioral disorder characterized by impulsive behavior and continued intake of drug in the face of adverse consequences. Millions of people suffer the financial and social consequences of addiction, and yet many of the current therapies for addiction treatment have limited efficacy. Therefore, there is a critical need to characterize the neurobiological substrates of addiction in order to formulate better treatment options. In the first chapter, the striatal dopamine system is interrogated with [11C]raclopride

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