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Rozprawy doktorskie na temat „Chromium Exposure”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Mintz, Kathryn Louise. "Differences of DNA-Transcription Factor Interactions Following Chromium Exposure." The University of Montana, 2006. http://etd.lib.umt.edu/theses/available/etd-12042006-144459/.

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The effect of 8-oxoguanine in the consensus sequence of êB DNA on the binding affinity of p50BD was determined using a 22-mer and a 30-mer double-stranded DNA oligonucleotide containing the NF-êB binding site. The addition of a carboxyl moiety at position 8 on guanine (creating 8-oxoguanine) was observed to change the binding affinity of the transcription factor for the êB DNA sequences at each modified guanine site. The protocol used a p50 binding domain protein (residues 23 to 366 from the p50 protein) and a p50 mutant protein with a single amino acid mutation of the wild type histidine 67 t

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Brenneman, Chad. "Evaluating Worker Exposure to Hexavalent Chromium in Refractory Materials During Demolition Activities." University of Cincinnati / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1267736529.

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Madden, M. G. "Hexavalent chromium in aerosols evolved during a high temperature metallurgical process." Thesis, University of Bradford, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376689.

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Lee, Amanda Jayne. "Potential biomarkers of cancer risk associated with exposure to hexavalent chromium." Thesis, University of Birmingham, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.399040.

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Thanh, Son Dao, Hong-Son Le Nguyen, Tan-Minh Vo, Thi-My-Chi Vo, The-Huy Phan, and Thi Nhu-Phuong Bui. "Growth and metal uptake capacity of microalgae under exposure to chromium." Technische Universität Dresden, 2018. https://tud.qucosa.de/id/qucosa%3A32709.

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Microalgae play a key function in aquatic ecosystems. Their development and growth are strongly regulated by trace metals as essential elements. However, trace metals could cause negative effects when exceeding certain concentrations in the environment. In this study we tested the development and growth rate of two freshwater microalgae, the cyanobacterium Pseudanabeana mucicola and the green alga Pediastrum duplex, from Vietnam over the period of 14 days exposing to chromium (Cr) at the concentrations up to 1,936 μg L-1. Besides, the Cr uptake and absorption by P. mucicola were evaluated over

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PENNLINE, CARA MARIE. "EVALUATING POTENTIAL EXPOSURE TO HEXAVALENT CHROMIUM (Cr(VI) AMONG MAINTENANCE MECHANIC WELDERS." University of Cincinnati / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1182717517.

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7

Pan, Yi. "Formation of Superhexagonal Chromium Hydride by Exposure of Chromium Thin Film to High Temperature, High Pressure Hydrogen in a Ballistic Compressor." PDXScholar, 1991. https://pdxscholar.library.pdx.edu/open_access_etds/1243.

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The interaction of hydrogen with metals has great environmental significance in problems ranging from the catastrophic failure of materials due to hydrogen embrittlement to safe and efficient storage of hydrogen as a metal hydride. Chromium (Cr) is widely used as an alloying agent to produce materials such as stainless steel and as an electroplated coating on materials to prevent corrosion and to minimize wear. Hydrogen which co-deposits with chromium during electroplating forms hexagonal close packed CrH or face centered cubic CrH2 which cracks the deposit. The behavior of hydrogen in Cr, esp

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8

Moran, Michael Patrick. "Dissociation of hexavalent chromium from primer paint particles into simulated mucus fluid /." Download the thesis in PDF, 2005. http://www.lrc.usuhs.mil/dissertations/pdf/Moran2005.pdf.

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Lange, Steven Harold. "Dissociation of hexavalent chromium from sanded paint particles into a simulated lung fluid /." Download the thesis in PDF, 2006. http://www.lrc.usuhs.mil/dissertations/pdf/Lange2006.pdf.

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Shamhart, Andrew Bradley. "Potential compliance impact of reduced permissible exposure limit for hexavalent chromium in an aerospace production and maintenance facility." Oklahoma City : [s.n.], 2006.

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Anestis, Ioannis D. "Preference avoidance reactions of rainbow trout (Salmo gairdneri) following long term sublethal exposure to chromium and copper." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=75767.

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A standard methodology was developed for performing avoidance-preference tests, using Rainbow Trout (Salmo gairdneri) as the test organism. Experiments were conducted in a hydraulic channel, 9.15 m long by 0.30 m wide, partly divided along its length, and at a flow depth of 0.30 m. The design combined steep and shallow gradient characteristics. The toxicants investigated included Cu(II), Cr(III) and Cr(VI). The lowest avoidance threshold values were established at 2.1 $ mu$g/l for Cu(II) and 0.0026 mg/l and 0.026 mg/l for Cr(III) and Cr(VI) respectively while avoidance reactions increased with

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12

HAHN, KRISTEN M. "ESTIMATING HISTORIC EXPOSURE TO ARSENIC, BERYLLIUM, HEXAVALENT CHROMIUM, NICKEL, AND URANIUM AT A URANIUM ENRICHMENT, GASEOUS DIFFUSION PLANT." University of Cincinnati / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1123620720.

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13

Dai, Lu. "EFFECTS OF CHROMIUM ON MOUSE SPLENIC T LYMPHOCYTES AND EFFECTS OF ETHANOL EXPOSURE DURING EARLY NEURODEVELOPMENT ON BEHAVIORS IN MICE." UKnowledge, 2017. https://uknowledge.uky.edu/toxicology_etds/18.

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The dissertation consists of three major projects with the focus on the immunotoxicity of chromium and the behavior disorders caused by early ETOH exposure respectively. Hexavalent chromium [Cr(VI)] is widely used in various industrial processes and has been recognized as a carcinogen. As the first line of host defense system, the immune system can be a primary target of Cr(VI). T cell population represents a major arm of the immune system that plays a critical role in host anti-tumor immunity. Dysfunction of T cells compromises host anti-tumor immunity resulting in oncogenesis. Using mouse sp

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14

Paul, Arindam. "EXTRINSIC INFLUENCE OF COATING AND SURFACE TREATMENT ON THE TENSILE RESPONSE AND FRACTURE BEHAVIOR OF THREE HIGH STRENGTH METALS." University of Akron / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=akron1470404392.

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Nechvátalová, Ivana. "Bezpečnostní studie technologie galvanického pokovování." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-228206.

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Submitted thesis deal with estimation safeness of electroplating technologi with reference to occurrence hazardous substances falls on man and environment. To identification diversification was used quantitative risk assessment and chemical exposure index.

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16

McDonald, Lauren. "Wipe Sampling Methodologies to Assess Exposures to Metals in Urban Canadian Homes: 1 Cadmium, Lead, Yttrium 2 Antimony, Arsenic, Chromium, Copper, Nickel." Thesis, University of Ottawa (Canada), 2010. http://hdl.handle.net/10393/28588.

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Wipe sampling is a means of monitoring exposures to contaminants which has been used extensively for assessment of lead (Pb) in housedust in the U.S. This thesis reports the first baseline wipe dataset for urban Canadian homes, for Pb and other metal(loid)s including: arsenic (As), cadmium (Cd), chromium (Cr), copper (Cu), nickel (Ni), and antimony (Sb). The literature review covers sampling methods, health effects, and sources. The digestion procedure ASTM 1644 is the accepted HNO3 hotplate protocol for determination of Pb in wipes. However in this study, HF was added to enhance extraction ef

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17

Olive, Darlene W. "Association Between Smoking, Chemical Exposure and Hearing Loss in an Occupational Setting." VCU Scholars Compass, 2006. http://hdl.handle.net/10156/1920.

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18

Chang, Sun-Jae, and 張順傑. "Exposure Assessment of Hexavalent Chromium to Cement Workers." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/09977600359019227834.

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碩士<br>長榮大學<br>職業安全與衛生研究所<br>96<br>The objective of this study is to establish Job Exposure Matrix (JEM) of cement workers by collecting exposure intensity, exposure duration and time activity patterns for each work task to estimate workers’ long-term hexavalent chromium exposure doses. Volunteered cerment workers were observed at their work place to estimate the exposure intensity by collecting skin, urine and air samples. Both questionnaires and field recording sheets were designed to gather qualitative exposure relevant information, work history, disease history and living environment info

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19

Lin, Ya-Lun, and 林雅崙. "Effects of Dermal Exposure and Transepidermal Water Loss on the Biomarker of Chromium Exposure." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/66990437949488237191.

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碩士<br>長榮大學<br>職業安全與衛生研究所<br>94<br>Cement used in construction contains significant amount of hexavalent chromium (Cr6+). Historical epidemiological studies found that cement workers had severe dermatitis. Cr6+ can enter a human body not only by inhalation, but also through skin absorption. In this study, air and dermal exposure measurements of total chromium and Cr6+ were taken for cement workers. Urine samples of these workers were also collected to assess their total chromium and Cr6+ exposures. All samples collected were analyzed by using Atomic Absorption Spectrometer (AA) and Ultra

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20

Afonso, Catarina Maia. "Occupational exposure to hexavalent chromium: biomarkers of genotoxicity in human peripheral blood." Master's thesis, 2019. http://hdl.handle.net/10362/88054.

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The hexavalent Chromium [Cr(VI)] is a human carcinogen, which is still authorized for use in several industrial settings because it has been difficult to replace. This was the reasoning to select it as a priority chemical by the European Human Biomonitoring Initiative (HBM4EU, https://www.hbm4eu.eu/), which aims to bridge chemicals human exposure to their possible impact on health. For that purpose, not only exposure was evaluated, but also early effect biomarkers were done to reflect potential health outcomes in several countries across Europe. In Portugal, the study was developed in one ai

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21

Wang, Jyun-jeng, and 王鈞正. "Exposure Measurements of Hexavalent Chromium for Construction Workers Using Cement with Ferrous Sulfate." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/56989267405853503720.

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碩士<br>長榮大學<br>職業安全與衛生研究所<br>96<br>The content of hexavalent chromium in cement is the responsible agent of causing contact dermatitis for cement workers. The high prevalence of occupational skin diseases of cement workers in Taiwan construction industry indicates that the problem of contact dermatitis due to the usage of cement requires to have much attention. Currently, Scandinavia countries reduce the content of hexavalent chromium in cement to less than 2 μg/g by adding 0.3% ferrous sulfate in the process of cement manufacture. This approach has been proven to effectively decrease the oc

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22

Yuan, Tzu-Hsuen, and 袁子軒. "Effects of the Association between Nickel and Chromium Exposure and Matrix Metalloproteinases on Oral Cancer." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/13826596451134843883.

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博士<br>國立臺灣大學<br>職業醫學與工業衛生研究所<br>100<br>Soil metal contamination has been found over the past two decades in Chaughua County, which is located in central Taiwan. Wastewater from local metal-related industries was suspected to be the main source of soil metal pollution. Moreover, Changhua County has a high prevalence of oral cancer that could not be explained by the well-known potential risk factors of oral cancer, and some distinctive oral cancer features were observed in this area. Previous occupational and ecological studies implied that there was a possible association between metal exposure

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23

Shen, Shu-Hung, and 沈書弘. "Assessment of Hexavalent Chromium Exposure for Cement Workers by Air, Skin, Urine and Blood Sampling." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/19743179726097881258.

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碩士<br>長榮大學<br>職業安全與衛生研究所<br>96<br>In this study, fifty three cement workers were recruited from Tainan City and County. Both air and skin sampling were taken to accurately assess the total exposure of Cr6+ from inhalation and dermal contact routes for these cement workers. During the exposure sampling time, a questionnaire was used to investigate the work history and the frequency of dermal contact to cement in a regular work day for each worker. In addition, both urine and blood samples were collected from the workers to estimate the total doses of Cr6+ in their bodies. The concentrations

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24

Wang, Yong-jhong, and 王雍中. "Study on Exposure Reduction and Internal Dose of Hexavalent Chromium for Workers with Usage of Hand Cream." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/4596r9.

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碩士<br>長榮大學<br>職業安全與衛生學系碩士班<br>98<br>Electric plating and construction industries are the representative professions of hexavalent chromium (Cr6+) exposure. How to prevent the workers in these industries from health hazards due to Cr6+ exposure is an important issue of occupational health. Because dermal exposure is one of the main route of Cr6+ exposure, the objective of this study is to explore the effectiveness of usage of hand cream with vitamin C on the reduction of Cr6+ exposure for the workers. Ten workers were recruited from an electroplating plant and a construction workplace in the

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25

"A quantitative and qualitative histological assessment of selected organs of Oreochromis mossambicus after acute exposure to cadmium, chromium and nickel." Thesis, 2010. http://hdl.handle.net/10210/3219.

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M.Sc.<br>South Africa is renowned for its exploitable mineral resources and continues to be a major player in the world’s mineral markets. The country is well known for containing the world’s largest gold and platinum repositories and electroplating industries, which is the major cause for delivering by-products such as cadmium (Cd), chromium (Cr) and nickel (Ni). Environmental pollution caused by active mining and seepage from closed mines, continuously threatens South African water resources. Such pollution can cause a shift in water chemistry and increase the availability of certain metals

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Beveridge, Rachelle. "Lung cancer risk associated with occupational exposure to nickel, chromium VI, and cadmium in two population-based case-control studies in Montreal." Thèse, 2008. http://hdl.handle.net/1866/2653.

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Cancer du poumon associé à l’exposition au nickel, au chrome VI et au cadmium dans le milieu de travail utilisant deux études populationnelles cas-témoins à Montréal. Au début des années 1990, le nickel, le chrome VI et le cadmium ont été classés en tant qu’agents cancérigènes de classe 1 par le CIRC (Centre International de Recherche sur le Cancer). Cependant, les résultats des études ayant permis la classification de ces métaux n’ont pas toujours été reproduits, et d’importantes questions demeurent quant aux effets de ces métaux à de faibles niveaux d’exposition. Un plus grand nombre de rech

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Sobral, Margarida Conceição Moreira. "Effects of Extended Passaging on the BEAS-2B Cell Line, an in vitro Model of Human Lung Epithelium Established for the Study of Lung Carcinogenesis." Master's thesis, 2020. http://hdl.handle.net/10316/93940.

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Dissertação de Mestrado em Bioquímica apresentada à Faculdade de Ciências e Tecnologia<br>A linha celular contínua BEAS-2B, derivada de células epiteliais brônquicas humanas normais, foi estabelecida em 1988, pelo grupo de Curtis C. Harris, como um modelo in vitro do epitélio brônquico normal, para o estudo da carcinogénese pulmonar.De igual maneira às células de outras linhas celulares contínuas, as células BEAS-2B sofrem variações genéticas e fenotípicas quando cultivadas in vitro por longos períodos de tempo, nomeadamente ao nível da expressão genética e morfologia. Estas variações podem ex

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Albuquerque, Paula Cristina da Silva. "Caracterização da exposição profissional a nanopartículas em processos de soldadura." Doctoral thesis, 2019. http://hdl.handle.net/10362/88543.

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RESUMO - A exposição profissional a fumos de soldadura, pode ser a causa de inúmeras doenças relacionadas com o trato respiratório, e outras que incluem o cancro. Esta ocorre em função das características das partículas que constituem os fumos (área superficial, dimensão, e composição química), da exposição (intensidade e duração), bem como, dos fatores inerentes aos trabalhadores (suscetibilidade individual) e da interação com outros fatores de risco (tabagismo). O tipo de efeitos para a saúde e a dimensão da exposição tornam pertinente a realização de um estudo exploratório descritivo

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