the analysis of snack chips for sodium by atomic absorption

... gases (H2 and He), and therefore does not suffer from the formation of new “cluster” species observed with the use of more reactive gases such as ammonia The performance of CRC based ICP-MS instruments ... ionization of the elements of interest can be maintained, but the potential interfering polyatomic ions can be attenuated, due to the fact that they are ionized in a different region of the plasma ... used, rather than pure oxygen, avoiding the use of highly flammable or explosive gases in the laboratory The oxygen is added either in the spray chamber or using a T-connector before the torch...

Ngày tải lên: 05/03/2014, 21:20

... of photosynthesis, gas exchange of plants was measured by infrared gas analysis Measurements were performed during the first h 508 of the light phase, representing the time period of photosynthetic ... assessment of the trajectory of interconversion rates as a function of time of cold exposure, (b) comparison of the magnitudes of the various interconversion rates, and (c) lineup of the accessions ... The rate of net starch synthesis (rCO2 !Starch )was deter- mined by interpolation of measured starch contents (unit: C6) and calculation of the first derivative of this function The flux rate of...

Ngày tải lên: 14/02/2014, 22:20

... followed by the sinking of the earth’s surface, and the inflowing of the waters of the ocean, forming the most remarkable labyrinth of inlets, sounds, straits, channels and passages on the face of the ... systematic effort has hitherto been made for the exploration of the entire group Under the direction of the Dominion Government, the waters and shores of the north and east coast of the islands ... Official Report of the Exploration of the Queen Charlotte Islands with the opportunities afforded after the influx of whites into their country for obtaining money by the prostitution of their females,...

Ngày tải lên: 23/03/2014, 10:21

... second conformation of the side chain of Glu221, which also adopts two conformations but not correlated with the anomeric form of the bound mannose is shown in dark green site for subunit B The crystal ... arm in the monosaccharide binding site [34] The conformation of the GlcNAcb(1–2)Man entity occupying the )1 and M subsites of LOL roughly resembles the conformation seen in the NA2F complex of PAL ... the )1 subsite of PAL is energetically favorable and contributes significantly to the higher affinity of PAL for the pentasaccharide M592 (Table 3) In the case of A on the other hand, binding of...

Ngày tải lên: 23/03/2014, 11:20

... of mouse weight) [13] Clone 3F was matured by three cycles of directed evolution The use of a set of stringent conditions in the third cycle allowed the selection of several improved clones The ... therapeutic applications [17] We constructed the dimeric form of our scFvs by shortening the linker from 15 to amino acid residues Neither of the diabodies, 3F or C1, was able to neutralize the ... corresponding germ lines For clone 3F, VH3-VK3 were the closest families for VH and VL domains, respectively In the case of C1, VH3Vk1 were the families with highest scores The specificity of these two scFvs...

Ngày tải lên: 23/03/2014, 13:20

... rather on the regions initiating or impairing insertion of a segment in the membrane Therefore, in the case of M8 where the length of the M8 recombinant peptide is probably shorter than that of ... outside the surface envelope of the enzymes Cavities are colored by atom type (red stands for O, blue for N and yellow for S) beginning of the transmembrane domain The presence of this string of polar ... envelope of the enzymes Cavities are colored by atom type (red stands for O, blue for N and yellow for S) The backbone position of the ten polar residues lining the proton pathway and contacting the...

Ngày tải lên: 23/03/2014, 21:20

... and their healthy peers The MMQL-UK (CF) was used as the basis for the development of an adult form (MMQL-UK (PF)) Methods Before wider administration of the MMQL-UK (PF) could take place, the ... component in the questionnaires for 12–18 and 19–25 year olds No parent form is available for the original MMQL forms The anglicised MMQL-UK (CF) version of the questionnaires (based on the 12–18 ... the looked after children group as the proxy form was completed by the carer as opposed to the parents as in the other exemplar groups All the groups showed similar correlations and as such the...

Ngày tải lên: 18/06/2014, 22:20

... and widen the technological means for the formation of colloidal patterns Methods The synthesis process of bare g-Fe2O3 nanoparticles and DMSA-coated g-Fe2O3 nanoparticles The synthesis of bare ... and the colloidal relaxation time If the relaxation time is above the period of field, the assembly can occur If the relaxation time is below the period of field, there is no attractive force ... with the frequency increasing, the magnetic relaxation time of cluster is more and more Page of above the period of external field (The relaxation time is constant while the period of field is the...

Ngày tải lên: 21/06/2014, 02:20

... study the influence of growth temperature on the purity of prepared tube samples, we give the curve (Fig 4) showing the dependence of ID/IG on the growth temperature From Fig 4, two kinds of ID/IG ... temperature was raised to the setting value in Ar atmosphere at a flow rate of 200 mL/min before CH4 was introduced into the reactor at 60 mL/min for 30 min, then CH4 was turned off and the furnace was ... accords with the result of the TEM image (Fig 3a) The intensity ratio, ID/IG, is observed to decrease with increasing temperature (at 800 °C, the ID/IG is 0.47) Raman spectrum of the sample grown...

Ngày tải lên: 22/06/2014, 00:20

... determine how the major components of the amalgam (Cu, Zn and Hg) diffuse into the structures of the teeth Curson and Crocker20 determined the concentrations of Zn and Pb in the pulp of the teeth ... Na, K is important for the maintenance of electrical potential in the nervous system and, therefore, for the efficient functioning of nerves and muscles The mean concentrations of Na in healthy ... in the Pulps of Healthy and Carious Teeth The pulp contains the nerves and blood vessels of the teeth The blood vessels feed the tooth and keep it alive and healthy The nerve endings inside the...

Ngày tải lên: 07/08/2014, 14:20

... reflectance in the visible yet reduced reflectance in the NIR and SWIR regions of the spectrum Analysis of vegetation spectra 519 Figure Summary of F-ratio tests of significance of the variance of the ... differences in these factors are also conjectured for the eucalypt foliage These a priori expectations were tested with the null hypothesis of no treatment viz no species effect With the assumption of a ... colinearity, the approach should also reduce the dimensions of the data with a minimum of information loss It must accomplish this reduction without losing the ability to interpret the results Transforming...

Ngày tải lên: 08/08/2014, 01:22

... Morphological analysis In the second case of the figure, the heterozygote deficit (f) must be considered The frequency of the phenotype A+ is the sum of the frequency of the genotype P : +/+ All of the ... means of the comparison of the RAPD marker frequencies of a subsampling of these progenies and of the adult population Analysis of the morphological characters MATERIALS AND METHODS Sampling The ... neighbourhood, the sessile oak The comparison of the mean values of the groups on the first axis of DFAa by means of the F-test showed a significant difference between the two groups of pedunculate...

Ngày tải lên: 08/08/2014, 18:21

... validity of the new model for the analysis of the mechanisms of cartilage destruction by SFB Both MMP-1, capable of cleaving intact collagen [44], and MMP-3, responsible for the cleavage of other extracellular ... protein from the cartilage matrix was strongly augmented by the SFB, further underlining the contribution of SFB to the disruption of the cartilage matrix homeostasis Therefore, the COMP appearance ... established the modified, present form of the model, performed the real-time PCR, the immunohistochemistry and the respective data analyses and wrote the manuscript D Pohlers performed some of the experiments...

Ngày tải lên: 09/08/2014, 01:22

... ratio of one male for twenty females The offspring were generated according to a prolificacy of 115% Each year, 1/3 of the males and 1/5 of the females were replaced by offspring at random The remaining ... −0.40) The suppression of the common environment effect due to the dam acted on estimated genetic maternal effects by increasing them above their true value, irrespective of the true value of the ... the contribution of the dam to the genotype of her offspring, the direct genetic variance being inflated by part of the genetic maternal variance It seems that another part of maternal heritability...

Ngày tải lên: 09/08/2014, 18:21

... on the other hand, is homozygous for the « high » allele (A All of the l ) l progeny from the standard cross have inherited the A allele from the father and are, therefore, heterozygous A The ... outline the sequence of analysis using a hypothetical example The hypothetical standard for this example is homozygous for « - » alleles (M ATHER & JINKS, 1982) and has low expression of the character ... however, will be a function of the relative frequency of each allele In the gene pool in figure 1, for example, the number of isofemale strains segregating high frequencies of the « white » allele would...

Ngày tải lên: 09/08/2014, 22:22

... responsible for the surgical part of the investigation CM and ARR carried out the LIFE/DEAD-assay and 2-photon microscopy PZ was involved in the design of the study, evaluation of the results ... covered the clinical part EV was involved in the design of the study and histomorphological evaluation TG conceived the study and was involved in the evaluation of the data as well as the writing of ... tissues) the amount of which was set at 100% The fraction of dead cells was 15% in native tissues and increased to 38% at the end of cultivation De novo DNA synthesis After termination of the 16...

Ngày tải lên: 12/08/2014, 15:20

... duodenum cells Therefore we conclude that W2 could be one of the candidates for the development of Th1 focusing vaccines of horses Competing Interests The authors hereby declare that they have no ... the manuscript SI: participated in the design of the study and drafting the manuscript EM: participated in the design of the study and drafting the manuscript ST: participated in the design of ... adjacent to the ATG start codon greatly increases the efficiency of translation and hence overall expression of the gene product It functions by slowing down the rate of scanning by the ribosome...

Ngày tải lên: 12/08/2014, 18:22

... coefficients, with the intention of dropping one of the variables if the correlation was ≥ 0.7 or ≤ -0.7 In the analyses for cows, the herd's proportion of cows above the third lactation and the herd's ... in the model the estimates of age are at risk of being incorrect When estimating the model without the disease complex, the odds for veterinary treatment in the LL procedure for animals at the ... the contribution of the potential explanatory variables can be evaluated using the likelihood ratio test Further, the PQL procedure is preferable for the evaluation of the model fit Because the...

Ngày tải lên: 12/08/2014, 18:22

... synchrony The data should speak for themselves 7) The DNA distribution of cells should be narrow in the synchronized cells and these distributions should then reflect the movement of cells through the ... during the cell cycle of eukaryotic cells There are no fundamental problems with the statistical analysis, but there are problems with the underlying experiments that form the data base for analysis ... performed but the cells are all recombined together and analyzed These combined cells should not give a variable pattern of gene expression This controls for perturbation of the culture by the...

Ngày tải lên: 13/08/2014, 23:20

... in the ROC curves by the low true-positive rate at the extreme left of the plot (b) The 95% confidence interval for the AUC for each analysis technique was estimated by bootstrap resampling of ... defined as the distance between the start of one arrayed element and the start of the next Thereby, the measurement recorded at each arrayed element will be used in the calculation of at least ... width of portion of the peak above the significance cutoff, 'array density' of the peak, and the P value for that peak The array density value is defined as the average number of arrayed elements...

Ngày tải lên: 14/08/2014, 15:20