effects of depletion of stratospheric ozone on human health
Tài liệu Impacts of air pollution on human health, ecosystems and cultural heritage pdf
... revision of the 1999 Protocol to Abate Acidification, Eutrophication andGround-level Ozone. This Protocol is one of the eight multilateral environmental agreementsunder the UNECE Convention on Long-range ... nitrogen depositionAfter nitrogen depositionThis brochure was produced by the Working Group on Effects of the United Nations Economic Commission for Europe Convention on Long-range Transboundary ... and industry. Both peak ozone concentrations and rising background concentrations have negative impacts on human health, crop production, tree and other vegetation growth.• Reactive nitrogen...
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Evaluating impacts of air pollution in China on public health: Implications for future air pollution and energy policies pptx
... Environmental Pro-tection Agency Of ce of Air and Radiation Policy.Feng, T., 1999. Controlling Air Pollution in China: RiskValuation and the Definition of Environmental Policy. NewHorizon in ... conventional coal combustiontechnologies used in 2000 with limited environmen-tal controls, addition of best available emissioncontrol technologies (BACT) to the conventionalcombustion technologies ... region of eastern China through the use of additional pollution controls and particularly from the use of advancedcoal gasification technology. Without such controls, the impacts of air pollution...
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THE IMPACT OF PARENTAL INCOME AND EDUCATION ON CHILD HEALTH: FURTHER EVIDENCE FOR ENGLAND doc
... significant interaction with child age once one purges income (and education) of its endogenous variation. Moreover, the effects are stronger once we allow for income and education to be endogenous. ... find support for the idea that the causal effects of income are strongest for the poorest. Any effects on having a chronic health condition seem confined to young children. 1 Marmot and ... categorySubjective Child Health Very Good GoodFair Poor Figure 2 Having a chronic health condition and age of child 0 .05 .1 .15 .2 .25Mean Chronic Health Condition0-3 4-8 9-12 13-15by...
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Báo cáo hóa học: "The toxicity of cadmium and resulting hazards for human health" ppt
... thisreview.ConclusionLatest studies have proven the importance of a reduction of cadmium emissions for human health. Some efforts inthis direction have been made, especially within in theEuropean Union. ... resorptionLittle research has been done on dermal absorption of cadmium. In 1991, Wester et al. experimented on theresorption from cadmium-contaminated soil and watersolutions by human cadaver ... scheme on the handling of Cadmium in human body.Hazards to human health Acute intoxicationThe respiratory system is affected severely by the inhala-tion of cadmium-contaminated air: Shortness of...
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Tài liệu Báo cáo Y học: Differential effects of arachidonoyl trifluoromethyl ketone on arachidonic acid release and lipid mediator biosynthesis by human neutrophils pot
... high concentrations of AACOCF3.Theincrease in AA at low concentrations of AACOCF3couldalso suggest that an AACOCF3-sensitive pool wasdestined for product formation, and the inhibition of ... determinedin a portion of the isolated fractions by liquid scintilla-tion counting using a Beckman liquid scintillationcounting system (Fullerton, CA, USA). Portions of PtdCho and PtdEtn fractions were ... that inhibition of LTB4and PAF biosynthesis byAACOCF3occurs without concomitant inhibition of AArelease. Generation of the common precursor pool byCoA-IT occurs by the transfer of AA from...
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Báo cáo khoa học: Modulatory effects of plant phenols on human multidrug-resistance proteins 1, 4 and 5 (ABCC1, 4 and 5) potx
... thancontrol pcDNA–HEK293 cells. Nontoxic concentra-tions of each polyphenol were used in combinationwith increasing concentrations of etoposide to deter-mine the effects of the polyphenols on ... polyphenol concentrations. Furthermore,recent studies show a correlation between the in vitro effects of flavonoids in the low micromolar range andin vivo work using oral solutions of flavonoids [13,14].Many ... presence and absence of BeFx. Thereaction was initiated by addition of 5 mM ATP and terminated withSDS (2.5% final concentration) after 20 min incubation at 37 °C.The amount of Pireleased was...
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Báo cáo Y học: Effects of ATP depletion and phosphate analogues on P-glycoprotein conformation in live cells docx
... undergoes conformationalchanges also affecting the drug binding site [17].Conformational changes of Pgp upon its catalytic cyclecan be detected by measuring the binding of certainmonoclonal antibodies ... question, we compared the effects of Pianalogues (Vi,BeFx,AlF4), trapping nucleotidesat the catalytic site of Pgp, and of ATP depletion, on UIC2-shift and UIC2/MM12.10 competition. Accurate ... data)1interactwithPgpinsuchamannerthatpreincubation of the cells with UIC2 completely suppressesthe subsequent binding of MM12.10. In contrast, UIC2mAb added at saturating concentration decreased the extent of MM12.10 labeling only mildly...
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Báo cáo khoa học: Effects of the G376E and G157D mutations on the stability of yeast enolase – a model for human muscle enolase deficiency pdf
... and the high degree of sequence conservation, we believe that the effects of these mutations on the structure and function of yeast enolase will be similar to their effects on human bb-enolase. ... position would result ina change in the conformation of this loop. Changes inthe conformation of the backbone at this point andchanges in the orientation of other side chains, as aresult of ... Effects of the G376E and G157D mutations on the stability of yeast enolase – a model for human muscle enolasedeficiencySongping Zhao*, Bonny S. F. Choy* and Mary J. KornblattDepartment of...
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Báo cáo khoa học: Mutual effects of proton and sodium chloride on oxygenation of liganded human hemoglobin Oxygen affinities of the a and b subunits potx
... NaCl effects on HbA subunits oxygenationFEBS Journal 272 (2005) 6109–6119 ª 2005 The Authors Journal Compilation ª 2005 FEBS 6115Mutual effects of proton and sodium chloride on oxygenation of ... conditionswere used as follows: 8.5, 7.4, and 6.8. The NaCl effects were carried out at concentrations of 0.1, 0.5, 1.0, and2.0 m. The solubility of O2in water depends strongly on NaCl concentration. ... properties of the tetramer may beinferred to take place. By contrast, at pH values of 6.8and 7.4, addition of NaCl to a concentration of 0.5 mresults not only in an increase in the dimer fraction[33],...
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Báo cáo khoa học: Protective effects of endomorphins, endogenous opioid peptides in the brain, on human low density lipoprotein oxidation pdf
... abstraction reactions and undergo fast ter-mination reactions, the peroxidation would be inhib-ited [40].The formation of lipid peroxidation products is aphenomenon common in most types of neuronedamage ... disorders.ResultsInhibition of conjugated diene formationby EM1 and EM2A set of representative kinetic curves of conjugateddienes formation during the peroxidation of LDL isshown in Fig. 1. ... biomarker of protein oxidation and has some advan-tages over lipid peroxidation products because the for-mation of protein-bound carbonyl groups seems to bea common phenomenon of protein oxidation,...
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báo cáo hóa học:" Bioactivity-guided identification and cell signaling technology to delineate the immunomodulatory effects of Panax ginseng on human promonocytic U937 cells" potx
... expressions following LPS stimulationthrough inactivation of NF-κB [13]. The diverse immuno-logic effects of ginseng may be due to multiple effects of the ginsenosides or its other active components. ... http://www.translational-medicine.com/content/7/1/34Page 5 of 10(page number not for citation purposes)concentration and the percentage of each ginsenoside in 3mg of PGSE are shown in Table 1.Differential effects of ginsenosides on TNF-α ... Journal of Translational Medicine 2009, 7:34 http://www.translational-medicine.com/content/7/1/34Page 8 of 10(page number not for citation purposes)or chemically defined mixture of its constituent...
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