analysis of urine samples
Báo cáo y học: "New classification of HLA-DRB1 alleles in rheumatoid arthritis susceptibility: a combined analysis of worldwide samples" docx
... weight of the different samples and 95% CI OR and 95% CI are shown on forest plots for each allele group studied Statistical heterogeneity of the considered samples was assessed on the basis of the ... emphasized the very crucial importance of public release of large-scale study data in genetic epidemiology The need for large samples to refine the study of effects of modest magnitude and the necessity ... population samples Materials and methods Selection process of case and control population samples RA cases and healthy controls included in the present study were selected from a population of 2,376...
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Báo cáo y học: " Allele-specific copy number analysis of tumor samples with aneuploidy and tumor heterogeneity" ppt
... proportion of the tumor cells rarely remain undetected Improved bioinformatic tools are important for analysis of tumor samples on SNP microarrays Consequences of poor performance of such tools ... wide range of aberrations with gains, losses and translocations of genetic material, often affecting a majority of the genome In cancer, genomic aberrations are acquired in a process of tumor evolution, ... genotyping of diploid genomes In order to use them for copy number analysis of tumor genomes, specialized bioinformatic tools are required The main aim of such tools is the identification of boundaries...
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Báo cáo y học: "inferring steady state single-cell gene expression distributions from analysis of mesoscopic samples" docx
... extracted from a plate of SW620 cell culture, then divided into 10 identical samples One of these samples was selected at random to be further divided into 10 samples A set of 37 controls corresponding ... more to produce sets of samples containing approximately × 104 and × 103 cells From each of the 37 dilution samples, RNA was extracted as described in the methods As a means of estimating and controlling ... is fit to a function of the form linear offset of the biological variability We can interpret I as the value that, along with the estimate of λ, gives the approximate number of cells required in...
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Báo cáo y học: " Analysis of the copy number profiles of several tumor samples from the same patient reveals the successive steps in tumorigenesis" ppt
... distance is chosen Generation of the copy number profile of the common precursor of two samples At each step of the algorithm, the profile of the common precursor of the two nodes joined, CP(a ... the Page 12 of 19 development of cancer from the analysis of several samples The annotated R code of the program is provided, together with detailed user instructions and examples of formatted ... calculated for each pair of samples, and the pair displaying the highest level of similarity is selected (c) The copy number profile of the common precursor of the two samples is reconstructed...
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Analysis of Pesticides in Food and Environmental Samples - Chapter 1 doc
... monitoring of pesticide residues in those matrices Analysis of Pesticides in Food and Environmental Samples focuses on the analytical methodologies developed for the determination of these compounds ... Department of Chemistry University of Ioannina Ioannina, Greece Antonia Garrido Frenich Department of Analytical Chemistry University of Almeria Almeria, Spain Beatriz Albero Department of Environment ... synthesis of gibberellins, their phytotoxicity is low The synthesis of sterols is very complex and various groups of fungicides act on different targets of that synthesis One large group of fungicides,...
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Analysis of Pesticides in Food and Environmental Samples - Chapter 2 pdf
... use of solvent mixtures (especially for the extraction of pesticides of different polarity) combining the ability of heating of one of the components (i.e., acetone) with the solubility of the ... widely used in the analysis of pesticides in a great variety of samples The success of a SPE procedure depends on the knowledge about the properties of target analytes and the kind of sample, which ... Filtration of the extract is necessary Dependent of kind of matrix Filtration of the extract is necessary Addition of a polar solvent is required Moderate cost Initial high cost Dependent on the kind of...
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Analysis of Pesticides in Food and Environmental Samples - Chapter 4 ppt
... mercapturic acid DDE Glycine conjugate of cis=trans-DCCA Glyphosate, atrazine, metolachlor mercapturate Methyl parathion Urine Urine Dust, soil Soil Urine Soil Urine Water, urine Triazine herbicides Surface ... period of months The estimated assay detection limit was 0.2 ng=mL Quantitative recoveries of 3-PBA were achieved by ELISA (92% Æ 18%) in the fortified urine samples Approximately 100 human urine samples ... was only detected in 8.4% (10 out of 119 samples) of the samples Similar results suggesting that FPBA was detected at much lower rate than 3-PBA in human urine samples collected from residential...
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Analysis of Pesticides in Food and Environmental Samples - Chapter 5 pdf
... dividing of samples, and consequently the time required for sampling and the cost of sampling, shipping, and analysis of samples Careful balancing of cost and benefit is a key component of designing ... part of the performance verification of the laboratory phase of the determination of pesticide residues It can be most economically carried out with the reanalysis of the replicate test portions of ... analyses of samples or conduction of the studies comply with the established procedures Measurements of any type contain a certain amount of error This error component may be introduced when samples...
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Analysis of Pesticides in Food and Environmental Samples - Chapter 8 pdf
... laboratory Then, soil samples are placed in closed glass flasks and stored frozen until the analysis of pesticides The addition of known amounts of pesticides to blank soil samples is a normal practice ... as eluting solvent 8.2.3.3 Multiresidue Analysis of complex mixtures of pesticides in soil is a difficult problem because of the presence of a wide variety of compounds with different physical–chemical ... application of sensors and biosensors in the determination of pesticides in environmental samples is also rapidly increasing These portable analytical devices offer the possibility of in situ analysis...
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Analysis of Pesticides in Food and Environmental Samples - Chapter 9 doc
... detection method is whether the analysis is for screening of a wide range of pesticides or target analysis of a predefined set of compounds For the screening of a wide range of TABLE 9.1 Frequently Used ... amount of fragmentation during ionization (ESI vs EI) may explain some of these differences Table 9.1 lists some of the most commonly used GC and LC methods for analysis of pesticides in water samples ... activation of the sorbent bed (wetting), removal of the excess of activation solvent (conditioning), application of the sample, removal of interferences (cleanup) and water, elution of the sorbed...
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Analysis of Pesticides in Food and Environmental Samples - Chapter 10 pdf
... prior to GC analysis, a derivatization step SPME was chosen because it permits with accuracy a rapid extraction and analysis of a great number of samples and MS–MS enables the analysis of pesticides ... of SPE extraction consisting of conditioning of the cartridge, loading of the sample, and elution of pesticides by different solvents Haraguchi et al.22 used dichloromethane for the elution of ... transfer of pesticides during and after application Thermal desorption has often been used for the analysis of VOCs in indoor and outdoor atmospheres Thermal desorption for the analysis of pesticides...
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Analysis of Pesticides in Food and Environmental Samples - Chapter 11 pot
... 1.9% of the domestic and 6.7% of the imported vegetable samples The frequency of fruit samples with detected pesticide residues MRL is somewhat higher: 49% of 813 domestic samples and 31% of 1537 ... cyhalothrin, carbofuran, and dimethoate Of the 27 different vegetables analyzed, the violations were found in, for example, of carrot samples, of garlic samples, and of 10 spinach samples The growth ... exceeded the MRL of mg=kg In 2000, 79% of 136 samples contained chlormequat, but none of the samples exceeded the MRL of mg=kg A small survey in 2002 showed that only 42% of 75 samples contained...
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Analysis of Pesticides in Food and Environmental Samples - Chapter 12 (end) potx
... design of a sampling should target the representativeness of the samples that is related to the number of samples and the selection of sampling stations intended within the objectives of the ... calculation of the toxicity of mixtures of pesticides with similar modes of action (CA) and dissimilar modes of action (IA), respectively The research project of Prediction and Assessment of the Aquatic ... metabolites of carbamates (carbaryl, carbofuran) and pyrethrines (cypermethrin, deltamethrin, permethrin) have been also detected in urine samples [66–68] Except of human biological samples, the...
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Báo cáo y học: "Systematic bioinformatic analysis of expression levels of 17,330 human genes across 9,783 samples from 175 types of healthy and pathological tissues" ppt
... Detailed4gene expression profile of PRAME Detailed gene expression profile of PRAME (a) Body-wide expression profile of the PRAME gene across the database Each dot represents the expression of PRAME in one ... individual samples, while its layout allows easy analysis of the biological or medical significance of the profile The y-axis provides the expression level of the gene and the x-axis contains all samples ... Figure Boxplots of correlations between the replicated samples after each step of the data normalization process Boxplots of correlations between the replicated samples after each step of the data...
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Investigation and application of liquid chromatography mass spectrometry in the analysis of polar, less volatile and thermal unstable organic pollutants in environmental and biological samples 6
... recoveries of tested compounds in goldfish, tortoises and algal samples under the respective optimum MAE conditions ranged from 85% to 87% with good reproducibility The conjugate of 2-isopropoxyphenol ... mass spectrometry was used to investigate the chemical degradation behavior of N-methylcarbamate in environmental water samples Propoxur was selected as a model compound to study the degradation ... artificial UV lighting) Hydrolysis was found to be very much 143 pH-dependent irrespective of the type of water matrix Light intensity could prompt degradation significantly under mild alkaline...
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Investigation and application of liquid chromatography mass spectrometry in the analysis of polar, less volatile and thermal unstable organic pollutants in environmental and biological samples 5
... optimization of the MAE conditions To apply these techniques in practical applications, in this chapter I 138 demonstrated the application of these techniques in analysis of the residues of Nmethylcarbamate ... considered, a total of five degrees of freedom was required, and the OA (2 7) matrix was, therefore, chosen so as to have sufficient degrees of freedom for the assignment of the variables under ... of 0.02 s and a mass span of mass unit Quantitation was based on the area under the peak from the mass chromatogram of the above molecular ions at m/z 60, 151, and 210 For the LC separation of...
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Investigation and application of liquid chromatography mass spectrometry in the analysis of polar, less volatile and thermal unstable organic pollutants in environmental and biological samples 4
... used 89 4.1.3.5 Influence of matrix, moisture, aging of spiked soil on recovery of tested pollutants The effects of matrix, moisture and aged spiked soil on recovery of analytes were investigated ... optimization of both techniques by OAD Secondly, the application of both optimized techniques for the extraction of these pesticides in soil samples is described Finally, the comparative recoveries of ... (sum of squares) for each main factor is the sum of SS from three columns since each of them has three degrees of freedom and occupies three 103 columns Specifically, SS for the factor A is sum of...
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Investigation and application of liquid chromatography mass spectrometry in the analysis of polar, less volatile and thermal unstable organic pollutants in environmental and biological samples 3
... application of LC-APCI-MS for the determination of carbamates: carbofuran and 3hydroxy-carbofuran, and the analysis of triazine herbicides in water [8] LC-ESI-MS ... in aqueous samples by using LC-APCI-ITMS were carried out in this study Our aims were as follows: (1) To identify the major TPs of propoxur by mean of LC-API-ITMS The performance of two MS ionization ... sets of standards of propoxur dissolved individually in methanol and ultrapure water were prepared with the concentrations of 0.025, 0.05, 0.10, 0.25, 0.50 and 1.0 ng/µl, respectively A set of...
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Investigation and application of liquid chromatography mass spectrometry in the analysis of polar, less volatile and thermal unstable organic pollutants in environmental and biological samples 2
... volume of spiking solutions into the natural water samples prepared above and ultrapure water All the samples were degassed by an ultrasonic bath before LC-MS analysis 2.3.2 Preparation of Soil Samples ... order to remove possible traces of PAHs, PCBs, triazines, carbamates and other organic contaminants, 100 g of each of the soil sample was immersed in 200 ml 46 each of methanol, acetone, dichloromethane ... detectable levels of the target analysts in soil samples before spiking 2.3.2.2 Freshly spiked soils Freshly spiked soil samples were prepared by adding an appropriate volume of spiking solutions...
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Investigation and application of liquid chromatography mass spectrometry in the analysis of polar, less volatile and thermal unstable organic pollutants in environmental and biological samples 1
... chromatography (GC) in analysis of samples with high polarity and low volatility In contrast, one of the prerequisites for mass spectrometric analysis is the formation of volatilized ions Second ... and selective analysis of triazine and phenylurea pesticides in environmental samples [118]; sample volumes of 20 ml of ground water provided LODs 26 Table 1-5 The application of LC-API-MS for ... application of LC-MS (with APCI and ESI) for the analysis of trace amounts of carbamate pesticides in environmental and biological samples To study the factors that influence the degradation behavior of...
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Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam xác định các nguyên tắc biên soạn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ đặc tuyến hiệu suất h fi p2 đặc tuyến tốc độ rôto n fi p2 động cơ điện không đồng bộ một pha sự cần thiết phải đầu tư xây dựng nhà máy phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25