Lobster hepatopancreas

Bovine liver, pig kidney, mussel tissue (also for butyltin compounds), tuna fish (methyhnercury), tuna fish tissue (As spedation) Non-defatted lobster hepatopaucreas, lobster hepatopancreas, dogfish liver, dogfish muscle Fish flesh Fish tissue... 

As(III) and As(V) in seafood HGAAS NRCC DORM-1 and DORM-2, Dogfish muscle NRCC TORT-2, Lobster hepatopancreas, BCR CRM 278, Mussel NIST SRM 1566a, Oyster Mimoz et al. 1999... 

Feminatal tablets, iodide tablets, lichen, lobster hepatopancreas, human hair, soya bean, flour... 

Guanine aminohydrolase is present in a variety of animal tissues (55-58), in lobster hepatopancreas (37), in certain bacteria (59), and... 

Species variation in the oxidation of xenobiotics, in general, is quantitative (Table 9.4), whereas qualitative differences, such as the apparent total lack of parathion oxidation by lobster hepatopancreas microsomes, are seldom observed. Although the amount of P450 or the activity of NADPH-cytochrome P450 reductase seems to be related to the oxidation of certain substrates, this explanation is not always satisfactory... 

Figure 4.6. Absorbance-over-time for cobalt in the TORT-2 Lobster Hepatopancreas CRM at 240.725 nm using HR-CS ET AAS gray line uncorrected signal black line corrected signal (from Ribeiro et al. [14]).

Hg NRCC LUTS-1 Nondefatted Lobster Hepatopancreas CH3Hg+ (0.0094 0.0006 mg kg-1 as Hg)... 

Figure 20.2. HPLC-ICP-MS separation and quantification of selenoamino species in lobster hepatopancreas after digestion with protease type XIV (10 mg per 0.1 g sample), 0.05% m/v cysteine, pH 7.5, 37°C for 24 h. Chromatography conditions as in Figure 20.1. (a) Extract (b) extract spiked with selenocystine (c) extract spiked with selenomethionine.

Figure 20.5. Separation of Se-containing proteins in marine animal tissues by SEC using a Macrosphere GCP (100A, 250 x 4.6 mm) column eluted with 20 mM K2HP04, pH 7, 25°C. (a) Mugil cephalus muscle (b) Mugil cephalus stomach (c) prawn muscle (d ) oyster homogenate (e) lobster hepatopancreas.

Suppliers. BCR, Institute for Reference Materials and Measurements (IRMM), Belgium NIST, National Institute of Standards and Technology, United States NRCC, National Research Council of Canada. Classifications CRM, Certified Reference Material DORM, Dogfish Muscle Reference Materials for Trace Metals LUTS, Nondefatted Lobster Hepatopancreas Reference Material for Trace Metals SRM, Standard Reference Material TORT, Lobster Hepatopancreas Marine Reference Material for Trace Metals. 

Ridout P. S., Jones H. R. and Williams J. G. (1988) Determination of trace elements in a marine reference material of lobster hepatopancreas (TORT-1) using ICP-MS, Analyst 113 1383-1386. 

Lobster hepatopancreas NRCC TORT-1 As Cd Co Cr Cu Fe Mn Mo Ni Pb Se SrVZn Comparison of four microwave digestion methods [WDM] Analyze solutions directly by ETAAS with modifier [ETAAS] [WDM-ETAAS] Matusiewicz etal. (1989)... 

Included here are novel arsenic compounds reported in environmental samples over the last five years. Dimethylarsinoylacetate was identified as a naturally occurring arsenical in marine reference materials of mussel, oyster, and lobster hepatopancreas (36). This compound had been proposed as a possible intermediate in the formation of arsenobetaine (31). More recently, however, arsenobetaine was found to degrade to dimethylarsinoylacetate under aerobic microbial conditions (37), and such a biotransformation suggests an alternative hypothesis for the presence of dimethylarsinoylacetate in marine samples. 

James MO, Little PJ (1984) 3-methylcholanthrene does not induce in vitro xenobiotic metabolism in spiny lobster hepatopancreas, or affect in vivo disposition of benzo[a]pyrene. Comp Biochem Physiol 78C 241-245... 

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