首页--环境科学、安全科学论文--环境科学基础理论论文--环境生物学论文--生态系统与污染生态学论文--污染生态学论文

Study on the Toxicity of Low Concentration Individual and Mixtures of Four Kinds of Heavy Metals on Mice and Zebrafish (Danio Rerio) Embryos

ABSTRACT第8-12页
摘要第13-16页
LIST OF ABBREVIATIONS第16-26页
CHAPTER ONE INTRODUCTION第26-56页
    1.0 General introduction第26-27页
    1.1 Trends in the production and consumption of toxic heavy metals第27-28页
    1.2 Current levels and trends in heavy metal contamination in China第28-29页
    1.3 Toxicity and mechanisms of individual metals第29-38页
        1.3.1 Lead第29-31页
        1.3.2 Mercury第31-33页
        1.3.3 Cadmium第33-35页
        1.3.4 Arsenic第35-38页
    1.4 Toxicity and mechanisms of heavy metal mixtures第38-45页
        1.4.1 Toxicity of heavy metal mixtures第38-45页
    1.5 Chemical interactions第45-51页
        1.5.1 Bioavailability第47-48页
        1.5.2 Toxicokinetics第48-49页
        1.5.3 Biological transformation第49-50页
        1.5.4 Toxicodynamics第50-51页
    1.6 Objectives and significance of study第51-53页
    1.7 Research clue and the main content第53-56页
CHAPTER TWO Toxicity assessment of individual and mixtures of four low concentration heavy metals on sub-chronic exposure to mice第56-91页
    2.1 Introduction第57-59页
    2.2 Materials and methods第59-64页
        2.2.1 Chemicals and animals第59页
        2.2.2 Experimental design and exposure第59-60页
        2.2.3 Morris water maze test第60-61页
        2.2.4 Preparation of tissues第61页
        2.2.5 Assay of tissue lipid peroxidation(LPO)第61-62页
        2.2.6 Assaying of antioxidant parameters第62页
        2.2.7 Biochemical assay第62页
        2.2.8 Histopathological analyses第62-63页
        2.2.9 Metal analyses第63页
        2.2.10 Statistical analysis第63-64页
    2.3 Results第64-85页
        2.3.1 General observation第64页
        2.3.2 Body and organ weight第64-68页
        2.3.3 Morris water maze test第68-69页
        2.3.4 Malondialdehyde(MDA)第69-70页
        2.3.5 Superoxide dismutase(SOD)第70-71页
        2.3.6 Catalase(CAT)第71页
        2.3.7 Glutathione peroxidase(GPx)第71-76页
        2.3.8 Total antioxidant capacity(T-AOC)第76页
        2.3.9 Nitric Oxide Synthase(NOS)第76-77页
        2.3.10 Biochemical assay第77页
        2.3.11 Blood urea nitrogen(BUN),creatinine(Cr)and Low density lipopprotein(LDL)第77-79页
        2.3.12 Hematopoietic parameters第79-80页
        2.3.13 Histopathological第80页
        2.3.14 Correlation between variables in blood plasma and organs第80-83页
        2.3.15 Multivariate statistical analysis第83-85页
    2.4 Discussion第85-90页
    2.5 Conclusion第90-91页
CHAPTER THREE Interaction of four low concentration heavy metals with non-essential and essential metals inbrain,liver,and kidneys of mice on sub-chronic exposure第91-111页
    3.1 Introduction第92-93页
    3.2 Materials and methods第93-95页
        3.2.1 Chemicals第93页
        3.2.2 Animals第93-94页
        3.2.3 Research design and exposure第94页
        3.2.4 Metal analysis第94-95页
        3.2.5 Statistical analysis第95页
    3.3 Results and disucssion第95-110页
        3.3.1 General observation第95页
        3.3.2 Effect of heavy metal exposure on brain第95-100页
        3.3.3 Effect of heavy metal exposure on liver第100-103页
        3.3.4 Effect of heavy metal exposure on kidney第103-104页
        3.3.5 Inter-elemental correlations第104-107页
        3.3.6 Cluster analysis第107-110页
    3.4 Conclusion第110-111页
CHAPTER FOUR Interaction of low concentration heavy metal mixtures with non-essential and essential metals inbrain,liver,and kidneys of mice,on sub-chronic exposure第111-135页
    4.1 Introduction第112-113页
    4.2 Materials and methods第113-116页
        4.2.1 Chemicals第113页
        4.2.2 Animals and experimental design第113-114页
        4.2.3 Metal analysis第114-115页
        4.2.4 Heavy metalinteraction using Combination Index(CI)第115页
        4.2.5 Statistical analysis第115-116页
    4.3 Results and discussion第116-134页
        4.3.1 Effect of metal mixture exposure on non-essential metals第116-121页
        4.3.2 Effect o metal mixture exposure on essential metals第121-124页
        4.3.3 Heavy metal interactions in organs of mice第124-125页
        4.3.4 Inter-elemental correlation第125-127页
            4.3.4.1 Toxic metais第125-126页
            4.3.4.2 Essential metals第126-127页
        4.3.5 Multivariate statistical analysis第127-134页
    4.4 Conclusion第134-135页
CHAPTER FIVE Embryonic exposure to low concentration individual and mixtures of heavy metals in zebrafish(Danio rerio):Innate immune-related gene expression第135-158页
    5.1 Introduction第136-138页
    5.2 Materials and methods第138-142页
        5.2.1 Test chemicals第138-139页
        5.2.2 Fish care and maintenance第139页
        5.2.3 Chemical exposure第139-140页
        5.2.4 Quantitative real-time PCR assay第140-141页
        5.2.5 Stati stical analysis第141-142页
    5.3 Results and discussion第142-156页
        5.3.1 Effect of low concentration metals on cytokine gene expression第142-149页
        5.3.2 Effect of low concentation heavy metals on antioxidant-related genes第149-152页
        5.3.3 Multivariate analysis of gene expression第152-156页
    5.4 Conclusion第156-158页
CHAPTER SIX Modulation of N-methyl-D-aspartate receptors(NMDAR),Bcl-2 and C-fos gene expressions onexposure to individual and mixtures of low concentration heavy metals in zebra fish(Danio rerio)embryos第158-172页
    6.1 Introduction第159-161页
    6.2 Materials and methods第161-164页
        6.2.1 Test chemicals第161页
        6.2.2 Fish care and maintenance第161-162页
        6.2.3 Chemical exposure第162页
        6.2.4 Quantitative real-time PCR assay第162-163页
        6.2.5 Statistical analysis第163-164页
    6.3 Results and discussion第164-171页
    6.4 Conclusion第171-172页
CHAPTER SEVEN GENERAL CONCLUSIONS AND FUTURE WORK第172-177页
    7.1 General conclusions第172-175页
    7.2 Innovation and novelty第175-176页
    7.3 Future works第176-177页
REFERENCES第177-236页
Acknowledgement第236-237页
Publications第237-238页

论文共238页,点击 下载论文
上一篇:光在室内空间设计中的装饰性研究
下一篇:中国北方半干旱区退化草地改良技术的研究