trust in schools a conceptual and empirical analysis

... or as reagents for synthesis in industries; they are also used as aromatics. Because of their pharmacological e ect, alkyl nitrites are being abused as uncontrolled inhalant drugs and causing ... Kielbasa WB, Bauer JA, Fung HL (1999) Analysis of isobutyl nitrite inhalant in rat and human blood: application for pharmacokinetic investigations. J Chromatogr B 734:83–89 11) Kielbasa W, ... mg/mL), and kept airtightly in a refrigerator. A 5-àL volume of the above solution is placed using a microsyringe in a glass vial containing 1 mL of dimethyl sulfoxide (DMSO), capped airtightly and...

Ngày tải lên: 18/10/2013, 00:15

... gradually and carefully. If VX itself remains, there is a danger of the secondary exposure for an analyst; the manipulations including the above evaporation should be done inside a dra chamber. f) ... For quantitative analysis of DAEMS, various concentrations of DAEMS are spiked into blank serum specimens containing a  xed amount of DAEMO (IS) each and extracted as described before. Since ... of DAEMS to IS on the vertical axis and DAEMS concentration on the horizontal axis. A peak area ratio obtained from a test specimen is applied to the calibration curve to calculate a DAEMS...

Ngày tải lên: 18/10/2013, 00:15

... Cannabinoids and their metabolites GC analysis of cannabinoids in plant specimens a Reagents and their preparation ã Extraction and puri cation of cannabinoids [3]: Cannabis sativa L. is being grown at ... Determination of cannabinoids in cannabis oil by capillary gas chroma- tography. Eisei Kagaku 38:471–475 (in Japanese with an English abstract) 5) Watanabe K, Yamaki E, Yamamoto I et al. (1979) A ... CBD, CBN and 5α-cholestane. GC analysis of cannabinoids in plant specimens 192 Cannabinoids and their metabolites  e Substance Abuse and Mental Service Administration (SAMSA) in USA set the...

Ngày tải lên: 24/10/2013, 19:15

... S, Akane A et al. (1992) Increased urinary morphine, codeine and tetrahydropapavero- line in Parkinsonian patient undergoing L-3,4-dihydroxyphenylalanine therapy: a possible biosynthetic path- way ... Anal Toxicol 14:308–310 10) Hasegawa M, Maseda C, Kagawa M et al. (1992) Morphine and codeine being contained in poppy seeds and poppy seed-containing foods. Eisei Kagaku 38:192–195 (in Japanese ... concentrations 196 Morphine and its analogues Main metabolic pathways of morphine, heroin and codeine. The thick and thin arrows show the main and minor metabolic pathways, respectively. ⊡ Figure...

Ngày tải lên: 24/10/2013, 19:15

... methemoglobinemia be- comes severe, it causes cyanosis, headache, easy fatigability, respiratory and conciousness dis- turbances and  nally death.  e fatal methemoglobinemia is rare, but fatal ones a ... (1987) Cyanosis in infants caused by nitrates in well water. JAMA 257:2788–2792 12) Fan AM, Steinberg VE (1996) Health implications of nitrate and nitrite in drinking water: an update on methe- moglobinemia ... poisoning case [4] An unidenti ed male was found naked from the waist up in a park at about 10:00 p. m.; he was su ering from some di culty in breathing. He was sent to a nearby clinic and diagnosed...

Ngày tải lên: 24/10/2013, 19:15

... 285, 290 alternative specimens 9 Amanita neoovoidea 480 Amanita pantherina 469 Amanita phalloides 469 Amanita verna 469, 474 Amanita virosa 469, 473 amanitin 473, 477, 479 amido-type local anesthetic ... 137 aldicarb 566 aldrin 529 alkylated adducts 85 alkylated DNAs 85 alkylation 30 alkyl nitrites 153, 655 allobarbital 305, 308 allylesterase 624 allyxycarb 566 alminoprofen 325, 330, 332 alprazolam ... 12 amobarbital 301, 303, 305, 308, 309 amoxapine 271, 274, 276 amoxicillin 398 amphetamine 171, 172, 178 ampicillin 395 amyl nitrite 153 analgesic-antipyretics 325 analysis mailing list 52 anaphylactic...

Ngày tải lên: 24/10/2013, 19:15

... for urine sampled 0–1 h a er cocaine inhalation; the ratio was 10.6 on average for urine sampled 0–8 h a er the inhalation.  e ratios increased according to the increase in time interval between ... BE in blood, a satisfactory mass spectrum can be obtained. For BE, Metabolic pathways of cocaine. ⊡ Figure 4.4 Toxic and fatal concentrations 212 Cocaine and its metabolites and tablets of 3,4-methylenedioxymethamphetamine ... Fortunately, in Japan, its abuse is not so many; but it cannot be overlooked. In this chapter, the methods of extraction a and GC/MS analysis for cocaine and its main metabolites, such as ecgonine...

Ngày tải lên: 29/10/2013, 01:15

... horizontal axis and peak area ratio of pentazocine to IS in the vertical axis.  e peak area ratio of a test specimen is applied to the calibration curve to obtain its pentazocine concentration. Assessment ... pentazocine in human plasma by high performance liquid chromatography. Pharmazie 46:464–465 8) Seno H, Kumazawa T, Ishii A et al. (2000) Determination of pentazocine in human whole blood and ... Dextromethorphan-HBr to be used as internal standard (IS) was purchased from Sigma; Sep-Pak C 18 cartridges (classic type) from Waters 222 Pentazocine SIM chromatograms for pentazocine (peak 2) and...

Ngày tải lên: 29/10/2013, 02:15

... rapid and distinct visual hallucination takes place 45 min–1 h a er oral intake of about 20 àg of LSD [1]. e hallucination becomes most marked 2–3 h a er the intake and lasts for 8–12 h. In ... under an o cial transfer process. ã p-Dimethylbenzaldehyde reagent: a 0.125-g aliquot of p-dimethylaminobenzaldehyde (Wako Pure Chemical Industries, Ltd., Osaka, Japan and other manufacturers) ... extract is evaporated to dryness; the residue is dissolved in a small amount of methanol to be subjected to further analysis. TLC analysis Analytical conditions TLC plate: a usual silica gel...

Ngày tải lên: 08/11/2013, 01:15

... Substance Abuse and Mental Health Services Administration (SAMHSA) is 250 ng/mL. Symptoms, and toxic and fatal concentrations MDMA causes increased catecholamine (including serotonin) release and ... H, Nakajima K, Nishikawa M et al. (1991) Determination of methamphetamine and amphetamine in urine by headspace gas chromatography/mass spectrometry. Anal Sci 7:19–22 25) Shima N, Kamata T, ... other pharmaceutical agents, such as ca eine and ketamine [4, 5]. Structures of MDA and its analogues. ⊡ Figure 7.1 231 Reagents and their preparation ã MDA, MDMA and MDEA can be purchased...

Ngày tải lên: 08/11/2013, 01:15

... Ishii and Yoshinao Katsumata Introduction Phencyclidine ( PCP) (> Fig. 8.1), a synthetic arylcyclohexylamine hallucinogen, had been  rst applied as an anaesthetic to animals and then to humans ... urine samples in cases of alleged sexual assault: case history. In: Salamore SJ (ed) Benzodiazepines and GHB: Detection and Pharmacology. Humana Press, Totowa, pp 127–144 11) Takahara J, Yunoki ... following commands but not responding verbally; the levels of serum creatinin kinase and aspartate aminotransferase were more than 100-times the normal limits. On hospital day 2, he became rigid,...

Ngày tải lên: 08/11/2013, 01:15

... Springer-Verlag Berlin Heidelberg 2005 II.3.1 Phenothiazines by Akira Ishii and Yoshinao Katsumata Introduction Phenothiazine drugs, including chlorpromazine and levomepromazine, have been being ... MO, USA). Pure powder of perazine and clospi- razine was donated by Mitsubishi Welpharma, Osaka, Japan; that of  upentixol by Takeda Chem. Ind. Ltd., Osaka, Japan; that of thioproperazine by ... useful. LC/MS analysis [8] See [8]. Reagents and their preparation i. Reagents Prochlorperazine, tri uoperazine, perphenazine,  uphenazine, propericiazine and thiorida- zine can be purchased from Sigma...

Ngày tải lên: 15/12/2013, 12:15

... H, Maes RAA (eds) Analytical Toxicology for Clinical, Forensic and Pharmaceutical Chemists. Walter de Gruyter, Berlin, pp 707–718 20) Uges DRA, Conemans JMH (2000) Antidepressants and antiphychotics. ... obtained by HPLC-DAD was about 5 ng in an injected volume for all compounds. HPLC-DAD is advantageous over HPLC-UV in that the sensitivity can be enhanced by measuring a target compound at ... con- centrations of haloperidol in plasma. J Chromatogr 431:113–122 8) Hariharan M, Kindt EK, Van Noord T et al. (1989) An improved sensitive assay for simultaneous determination of plasma haloperidol...

Ngày tải lên: 15/12/2013, 12:15

... tricyclic and tetracyclic antidepressants and carbamazepine obtained by HPLC-UV. A: carbamazepine, B: desipramine, C: maprotiline, D: nortriptyline, E: amoxapine, F: setiptiline, G: mianserin, H: ... by Takeda Chem. Ind. Ltd., Osaka, Japan; dosulepin by Kaken Pharmaceutical Co., Ltd., Tokyo, Japan; lofepramine by Daiichi Pharmaceutical Co., Ltd., Tokyo, Japan; and setip- tiline by Mochida ... tetracyclic antidepressants and carbamazepine obtained by GC/MS. A: amitriptyline, B: mianserin, C: nortriptyline, D: imipramine, E: desipramine, F: promethazine (IS), G: setiptiline, H: carbamazepine,...

Ngày tải lên: 15/12/2013, 12:15

... LC/MS analysis of triazolam, and its metabolites 4-hydroxy- triazolam and α-hydroxytriazolam is also presented. GC/MS analysis of benzodiazepines in blood and urine Reagents and their preparation ... chromatograms of triazolam, 4-hydroxytriazolam, α-hydroxytriazolam and alprazolam (IS). A 100-ng aliquot each of triazolam, 4-hydroxytriazolam and α-hydroxytriazolam and 50 ng of alprazolam were added to ... containing drugs, such as nitrazepam, nimetazepam, clonazepam and  unitrazepam, the nitro group is rapidly metabolized into an amino group (in the 7-position) a er being absorbed into human...

Ngày tải lên: 15/12/2013, 12:15

Ngày tải lên: 15/12/2013, 12:15

Ngày tải lên: 15/12/2013, 12:15

Ngày tải lên: 15/12/2013, 12:15

Ngày tải lên: 15/12/2013, 12:15