Search Results - "Petkam, R"

Toxicity of Neem Leaf Extracts (Azadirachta indica A. Juss) on Some Haematological, Ionoregulatory, Biochemical and Enzymological Parameters of Indian Major Carp, Cirrhinus mrigala by Saravanan, M., Ramesh, M., Malarvizhi, A., Petkam, R.

“…In the present study, the median lethal concentration (LC 50) of neem leaf extract to Cirrhinus mrigala for 24 h was found to be 1.035 g l-l. During the study…”
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The role of CYP 1A1 in the in vitro metabolism of pregnenolone by the liver of rainbow trout embryos by Petkam, R., Renaud, R.L., Leatherland, J.F.

“…The in vitro metabolism of pregnenolone (P 5) was investigated using whole liver preparations taken from rainbow trout ( Oncorhynchus mykiss) embryos sampled…”
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In vitro metabolism of pregnenolone to 7α-hydroxypregnenolone by rainbow trout embryos by Petkam, R, Renaud, R.L, Freitas, A.M.M.S, Canario, A.V.M, Raeside, J.I, Kime, D.E, Leatherland, J.F

“…Tissues taken from rainbow trout embryos at several developmental stages, were incubated in the presence of radioactively-labelled pregnenolone in order to…”
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Blood steroid profile and in vitro steroidogenesis by ovarian follicles and testis fragments of adult sea lamprey, Petromyzon marinus by Lowartz, S, Petkam, R, Renaud, R, Beamish, F.W.H, Kime, D.E, Raeside, J, Leatherland, J.F

“…The main purpose of the study was to identify the principal gonadal steroids synthesized by male and female sea lampreys, Petromyzon marinus. To achieve this,…”
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In vitro metabolism of progesterone, androgens and estrogens by rainbow trout embryos by Petkam, R, Renaud, R.L, Freitas, A.M.M.S, Canario, A.V.M, Leatherland, J.F

“…The purpose of the study was to determine the steroid metabolic pathways used by rainbow trout (Oncorhynchus mykiss) embryos. Whole embryo preparations at 42,…”
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Toxicity of Neem Leaf Extracts (Azadirachta indica A. Juss) on Some Haematological, Ionoregulatory, Biochemical and Enzymological Parameters of Indian Major Carp, Cirrhinus mrigala by R. Petkam, A. Malarvizhi, M. Ramesh, M. Saravanan

“…In the present study, the median lethal concentration (LC 50) of neem leaf extract to Cirrhinus mrigala for 24 h was found to be 1.035 g l-l. During the study…”
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Effects of sub-lethal levels of dichlorodiphenyltrichloroethane and dichlorodiphenyldichloroethylene on in vitro steroid biosynthesis by ovarian follicles or steroid metabolism by embryos of rainbow trout ( Oncorhynchus mykiss) by Petkam, Rakpong, Renaud, Rick, Lin, Lucy, Boermans, Herman, Leatherland, John

“…This study examined the possibility that DDT and DDE, at sub-lethal exposure levels, exert direct effects on the biotransformation of gonadal steroids by…”
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Food particle size, feeding frequency, and the use of prepared food to culture larval walking catfish ( Clarias macrocephalus) by Petkam, Rakpong, Moodie, G.Eric E

“…The effects of food particle size, food type (live or prepared), and feeding frequency, on the growth and survival of Clarias macrocephalus larvae were…”
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In vitro metabolism of pregnenolone to 7alpha-hydroxypregnenolone by rainbow trout embryos by Petkam, R, Renaud, R L, Freitas, A M M S, Canario, A V M, Raeside, J I, Kime, D E, Leatherland, J F

“…Tissues taken from rainbow trout embryos at several developmental stages, were incubated in the presence of radioactively-labelled pregnenolone in order to…”
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