effects of environmental pollution on the respiratory and integumentary systems

... substitutions imposed on the backbone conformation of WT* shows that the pattern of P37 P38 P19 W45 Fig. 1. Ribbon structure modelled on the X-ray structure of human ubiquitin [32]. The position and ... establish whether the substitutions of P37 and P38 are substantially perturbing the conformation and dynamics in this region of the protein, or more specifically, whether st ructural effects are ... erturba- tions and the pattern of NOEs in the vicinity of the mutation sites. Deviations of Ha signals from random coil chemical shifts pro vide a sensitive probe of local perturba- tions to secondary...

Ngày tải lên: 07/03/2014, 16:20

... assayed by varying the concen- tration of Tm in the presence of constant concentration of F-actin and myosin S1. In this condition, Tm inh ibits the ATPase activity as its concentration increases [33]. ... contributions to the understanding of the effects of these mutations on the clinical symptoms of patients carrying cardiomyopathic Tms. Experimental procedures Construction of expression plasmids and site-directed mutagenesis The ... stability of the protein as a whole, rather than on the position of the mutation in the polypeptide chain, as demonstrated by the biophysical assays. Our studies h ave provided additional contributions...

Ngày tải lên: 16/03/2014, 18:20

... interaction B-B - between ions in sublattice B and interaction A-B - between ions of sublattices A and B. We denote λ aa , λ bb , λ ab correspond to molecular-field constants of exchange interaction ... frustration arising from the co-existence of competing antiferromagnetic and ferromagnetic interactions. The separation of FC and ZFC curves at low temperatures could be considered that the sample ... lattice constant and volume of unit cell increase with Zn content in the samples due to larger ionic radius of Zn 2+ ion (0.82 Å) substituted for Ni 2+ ion (0.78 Å). The X-ray density, the real...

Ngày tải lên: 22/03/2014, 11:20

Ngày tải lên: 07/08/2014, 14:20

Ngày tải lên: 07/08/2014, 18:21

Ngày tải lên: 08/08/2014, 00:22

... 12B. The effect of the presence of the adenylates on the ability of POR-PChlide 640 to undergo photoconversion was checked by comparing the efficiency of photoconversion of PLB samples containing ... explanation of the acceleration of the low-pH driven spectral changes seen for the photoconverted and nonphotoconverted enzymes on addition of the adenyl nucleotides or adenosine (Fig. 12) is that these ... during the course of prepar- ation cannot be excluded, but that still leaves unanswered the question of how the addition of micromolar concentra- tions of NADPH suffice to drive the conversion of...

Ngày tải lên: 22/02/2014, 04:20

... Surface Transportation Efficiency Act of 1991 ii Abstract The Effects of Land Use on the Mobility of Elderly and Disabled and Their Homecare Workers, and the Effects of Care on Client Mobility: ... identify the relationship between residential location, the transportation habits and needs of consumers and providers, and the extent of care consumers received. The six interrelated hypotheses ... traffic analysis zone (TAZ) and zip code. Note. Based on Metropolitan Transportation Commission (MTC) data i The Effects of Land Use on the Mobility of Elderly and Disabled and Their Homecare...

Ngày tải lên: 14/03/2014, 17:20

... forming the links between emissions on the one hand and exposure and effects on the other hand. The EUROAIRNET information system is developed and maintained by the European Topic Centre on Air ... design and site selection • Selection and evaluation of measurement methods and equipment • Management of the laboratory and training of personnel The major components of quality control are: • Controlling ... calibration and analysis methods in laboratory and field conditions; • the participation to ISO and CEN activities for the standardisation of measurement methods; • the organisation of inter-comparisons...

Ngày tải lên: 23/03/2014, 00:20

... Sources of Carbon Monoxide 7 Health Effects of Carbon Monoxide 7 Prenatal Effects of Carbon Monoxide 8 Airborne Particles 8 The Challenge of Measuring Particle Pollution 8 Sources of Particle Pollution ... The Health Effects of Air Pollution on Children Fall 2000 - 1 - Introduction Air pollution has many effects on the health of both adults and children. The purpose of this article ... terms of the types of cells and the overall structure of the alveolar region. Figure 1 shows a magnified view of the structure of the normal gas-exchange region of the lung. It is called the...

Ngày tải lên: 23/03/2014, 02:20

... at the end of this chapter. These stud- ies contribute to the overall evidence on the short-term effects of air pollution on children’s health and activities. EFFECTS OF AIR POLLUTION ON THE ... PREMATURITY AND INFANT MORTALITY 36 EFFECTS OF AIR POLLUTION ON CHILDREN’S HEALTH AND DEVELOPMENT  A REVIEW OF THE EVIDENCE for the health consequences of ambient air pollution. The ability of DEPs ... detail the role of exposure to air pollution in acute respiratory infections, in the development and manifestation of asthma and allergies, and in the de velopment of lung function. The introductory...

Ngày tải lên: 28/03/2014, 09:20

... determine whether the particular effects of adenine nucleotides or the lack of effect of BKA can be repro- duced. Nonetheless, the present findings, together with the previous report that mitochondria ... for- mation of the pore [7,22]. Recent findings excluded the voltage-dependent anion channel (all isoforms) [23], CypD [24–27] and ANT (isoforms 1 and 2) [28] as being the constituents of the pore ... organisms (lower panel) and superimposed three-dimensional reconstruction of the known bovine ANT and the predicted conformation of the Artemia ANT (upper panel). In the lower panel, every 10...

Ngày tải lên: 29/03/2014, 00:20

... Kesler and JM Hausdorff drafted the manuscript. All authors helped with the inter- pretation of the results, reviewed the manuscript and par- ticipated in the editing of the final version of the manuscript. Acknowledgements We ... workstation for analysis using software that extracts the initial and end contact time of each stride and determines stride and swing times. To focus on the assess- ment of the dynamics of continuous, ... the gait of older adults with a HLGD and their reliance on vis- ual input, we examined the effect of lighting changes on the gait of older adults with a HLGD and compared their response to that of...

Ngày tải lên: 19/06/2014, 10:20

... made substantial contributions to con- ception and design, acquisition of data, and analysis and interpretation of the data. MK has been involved in draft- ing the manuscript and revising it critically ... Magnetometric evaluation of the effects of gallium arsenide on the clearance and relaxation of iron particles. Ind Health 1993, 31:143-153. Journal of Occupational Medicine and Toxicology 2009, ... Ferromagnetic contamination in the lungs and other organs of the human body. Science 1973, 180:745-748. 5. Nemoto I: A model of magnetization and relaxation of fer- rimagnetic particles in the lung....

Ngày tải lên: 20/06/2014, 00:20

... func- tions, and diverse applications [14-17]. 1D materials have received great attention because of their much potential for fundamental studies of the roles of dimen- sionality and size on their ... well as for their applications in nano-devices [18]. The success of nano- devices similarly trusts on the ability of controlling the transport and electrical properties of the semiconduc- tors, ... p- type conductive ZnO [19], and the realization of p-type ZnO is rather difficult because of its as ymmetric doping limitations [20]. Recently, research of ZnO has been focused on the synthesis of...

Ngày tải lên: 20/06/2014, 22:20

... Authors' contributions PJ carried out the experiments, analysis, and writing of the manuscript. SE, KP, and TT participated in the conception and design of the study. DPC and GR revised the manuscript ... ions substituting the Ti ions (at the B site). Therefore, substitution of the Ni ions at the B site may result in breaking the long-range ordering, resulting in a reduction of the ferroelectric ... intellectual content. All authors read and approved the final version of the manuscript. Acknowledgments This work was supported by the Faculty of Science, Chiang Mai University and the Office of...

Ngày tải lên: 20/06/2014, 23:20

Ngày tải lên: 20/06/2014, 23:20

Ngày tải lên: 21/06/2014, 05:20

Ngày tải lên: 21/06/2014, 19:20

Ngày tải lên: 22/06/2014, 12:20