virtual work method of beam analysis
Báo cáo y học: "Evaluation of Fractional Analysis of Bronchoalveolar Lavage Combined with Cellular Morphological Features"
... of disease in sarcoidosis or HP. In addition, finding of encapsulated exudates may suggest desquamation of early stage of Masson body which implies possible diagnosis in a limited number of ... infiltration of mast cells implies histological feature of organization of colla-genous matrices or interstitial fibrosis 10. Basophilic leukocytes were never found in the normal control and most of ... interstitial lung disease. Conflict of Interest The authors have declared that no conflict of in-terest exists. References 1. Reynolds HY, Newball HH. Analysis of proteins and respira-tory cells...
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Drugs and Poisons in Humans - A Handbook of Practical Analysis (Part 17)
... treatment of angina pectoris many years ago [2]; the pharmacological e ect of the dilation of the coronary arteries was found due to the action of nitrogen monoxide produced by decomposition of alkyl ... ingestion of 10–15 mL of each alkyl nitrite causes serious methe-moglobinemia [6]. e LD50 value for an alkyl nitrite is reported to be 205 mg/kg. ere are not many cases of analysis of alkyl ... eld of forensic toxicology. In this chapter, the methods for analysis of the compounds by headspace (HS)-gas chromatography (GC) and liquid-liquid extraction-GC are presented.Determination of...
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Drugs and Poisons in Humans - A Handbook of Practical Analysis (Part 67)
... Paasivirta J et al. (1981) Trace Analysis of Chemical Warfare Agents. An Approach to the Environmental Monitoring of Nerve Agents. Ministry of Foreign Affairs of Finland, Helsinki, pp 27, 28, ... metabolites of VX, could be detected [18].GC/MS analysis for EMPA in serum. (a) a TIC and mass chromatograms; (b) an EI mass spectrum of the t-BDMS derivative of EMPA; (c) a CI mass spectrum of the ... stream of nitrogen gas at room temperature e.iii. e residue is dissolved in 100 àL of the dichloromethane solution of DAEMO (IS solu-tion); a 1-àL of it is injected into GC/MS for analysis...
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Drugs and Poisons in Humans - A Handbook of Practical Analysis (Part 20)
... 10:316–323 14) Yamamoto I (1992) Methods for analysis of cannabis and its components. In: The Pharmaceutical Society of Japan (ed) Standard Methods of Chemical Analysis in Poisoning – With Commentaries, ... GC/MS analysis of ∆9-THC-11-oic acid in human urine [15, 16].e) A method of silylation of glassware to be done before analysis was reported [17]; such treat-ment suppresses the adsorption of ... (1984) Analysis of the major metabolite of ∆9-tetrahydrocannabinol in urine. VI. A comparison of five methods. J Anal Toxicol 8:249–251 12) Baker TS, Harry JV, Russell JW et al. (1984) Rapid method...
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Drugs and Poisons in Humans - A Handbook of Practical Analysis (Part 21)
... method Qualitative analysis is made by the comparison of the retention time of a peak of a specimen with that of the authentic standard and also by the con rmation of the absence of such a peak ... main tool for analysis of opiates and their metabolites. However, at the present time, GC/MS is being widely used for opiate analysis. For HPLC analysis of the conjugated forms of opiates, the ... low levels of morphine starting from a large amount of a specimen cannot be a proof of the intake of the drug. e level of morphine in urine of healthy subjects determined by GC/MS was reported...
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Drugs and Poisons in Humans - A Handbook of Practical Analysis (Part 70)
... action of methemo-globin reductase (identical with cytochrome b5 reductase requiring NADH as a cofactor) pres-ent in mammalian red cells. e concentration of methemoglobin in blood of normal ... is rare, but fatal ones a er ingestion of nitrate or nitrite were reported [2–6].For analysis of nitrate or nitrite in blood plasma or serum, the methods by ion chlomatog-raphy [7] and GC/MS ... derivatization reaction for nitrate being used in this method; 2-nitro-mesitylene formed is analyzed by GC. e same reaction method is used for analysis of nitrite a er its conversion into nitrate....
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Drugs and Poisons in Humans - A Handbook of Practical Analysis (Part 71 and End)
... developed a modi cation of the methods, which enabled accurate determination of blood Met-Hb even in the presence of high concentrations of CO-Hb by using about a 100-fold excess of potassium ferricynade ... devised a photoelectric method for determination of Met-Hb in blood. Minor modi cations of this method were made by several researchers to increase sensitivity [2–4]. ese methods are based on ... determination of carboxyhemoglobin and methemoglo-bin in victims of carbon monoxide poisoning. J Forensic Sci 25:546–549 6) Sato K, Katsumata Y, Aoki M et al. (1981) A practical method for the...
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Drugs and Poisons in Humans - A Handbook of Practical Analysis (Part 22)
... aliquot of it is subjected to GC/MS analysis. Cocaine and its metabolites 215time of death nor those at the time of samplings. erefore, there are great variation in the fatal levels of cocaine ... solvent mixture of chloroform and isopropanol or ethanol should be used. e simultaneous analysis can be made using chloroform/isopropanol (9:1) or (3:1), and using columns of Bond Elut Certifyđ ... rmation of a target compound is usually achieved by agreement of its mass spectrum with that of the authentic standard. Since, with simultaneous use of a deuterated IS, a mass spectrum of a target...
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Drugs and Poisons in Humans - A Handbook of Practical Analysis (Part 23)
... 15 mg of free pentazocine. e solution is transferred to a small glass centrifuge tube with a ground-in stopper, followed by addition of several mg of solid K2CO3 and 3 mL of chloroform. ... [5–7] and GC/MS [8]. In this chapter, a simple method for GC/MS analysis of pentazocine in human whole blood and urine is presented.Structures of pentazocine and dextromethorphan (IS).⊡ Figure ... retention times of 3–7 min and 7–8 min, respectively. The amount of pentazocineand IS spiked into 1 mL of blank whole blood or urine was equally 50 ng.⊡ Figure 5.2 223In two autopsy cases of pentazocine...
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The alchemy of meta-analysis
... stabilizer use or use of less proven agents).Meta -analysis as interpretatione above example demonstrates the dangers of meta -analysis, as well as some of its benets.Ultimately, meta -analysis is not ... conict, the results of meta -analysis, despite the fanciness of the word, should never be privileged over a large RCT. In the case of the example above, thatmethodologically awed meta -analysis does ... The limits of statisticsprobability of Y and a 25% probability of Z. But our brains cannot make out that dierence.If this is correct, then “many of the techniques of statistical analysis that...
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Drugs and Poisons in Humans - A Handbook of Practical Analysis (Part 24)
... one of the most powerful hallucinogenic drugs of abuse. LSD was explosively abused in U.S.A. in the latter half of the 1960s. In Japan, the amount of seizure of LSD is much smaller than that of ... of LSD was con rmed by Albert Hofmann who did synthesize the compound; the pharmaco-logical activity can be obtained by oral administration of as small as 2075 àg of LSD. e ab-sorption of ... manufacturers).Developing solvents: (A) acetone/chloroform (4:1, v/v); (B) chloroform/methanol/n-hex-ane (4:2:1, v/v).Assessment of the method e Rf values of LSD were 0.29 with the (A) solvent system...
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Drugs and Poisons in Humans - A Handbook of Practical Analysis (Part 25)
... stream of nitrogen and recon-stituted in 0.1 mL of DPM (IS) solution. A 1-àL aliquot of it is injected into the GC/MS system with a DB-17MS systemk.Assessment of the methodsEI mass spectra of ... e mass spectra of TFA derivatives of MDMA and its three metabolites obtained from the urine specimen are shown in > Fig. 7.5.For the proof of the use of MDMA, detection of MDA along with ... with 2 mL of carbonate bu er solution (pH 10)i and extracted with 5 mL of chloroform/isopropanol (3:1, v/v). 234 3,4-Methylene dioxyamphetaminesMass spectra of TFA derivatives of MDA, MDMA,...
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Drugs and Poisons in Humans - A Handbook of Practical Analysis (Part 26)
... Modification of EMIT assay reagents for improved sensitivity and cost effective-ness in the analysis of hemolyzed whole blood. J Anal Toxicol 16: 381–388 7) Sneath TC, Jain NC (1992) Evaluation of phencyclidine ... utilizing the ETSđ analyzer and a 25-ng/mL cutoff. J Anal Toxicol 16:107108 8) Diosi DT, Harvey DC (1993) Analysis of whole blood for drugs of abuse using EMIT d.a.u. reagents and a Mon-arch ... of a whole blood or urine specimen.ã 1 M NaHCO3 solution: 8.4 g of NaHCO3 is dissolved in distilled water to prepare 100 mL solution.ã Chloroform/methanol (9:1, v/v): a 100-mL volume of...
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