Báo cáo y học: "Ethnobiology of snappers (Lutjanidae): target species and suggestions for management " ppsx

... 11 of 22 JOURNAL OF ETHNOBIOLOGY AND ETHNOMEDICINE Ethnobiology of snappers (Lutjanidae): target species and suggestions for management Begossi et al. Begossi et al. Journal of Ethnobiology and ... part of the year and may take place year-round for many species. Spawning peaks, how- ever, generally coincide with periods of warm water temperature, though...

Ngày tải lên: 10/08/2014, 09:21

... analyzer was used to digitize the analog information contained in each pulse, to process and store the data in memory and finally to display the contents of the processed data in the form of ... diffraction profiles for the tissue types listed in table 1. Each of the curves is the average value of corrected intensity of samples within its classification. The number of sa...

Ngày tải lên: 02/11/2012, 11:08

... study of uptake of Yb 3+ by human Tf (hTf) by UV-vis and NMR spectroscopy, and inductively coupled plasma atomic emission spectro- metry (ICP-AES). The binding of Yb-bound Tf to human erythroleukemia ... calibrated with standard buffers at pH 4.0 and 7.0, respectively. Flow cytometry analysis The competitive effect of Yb-Tf species on binding of Fe 2 -Tf to K562 cells was st...

Ngày tải lên: 08/03/2014, 09:20

... to form glycine and formalde- hyde. Similarly, DAAO catalyses the oxidative d eamination of neutral and (with a lower efficiency) basic D -amino acids to give the corresponding a-keto acids and ... f primary and secondary amines to give a-keto acids, ammonia and hydrogen peroxide (L. Pollegioni, unpub- lished r esults). SOX catalyses the o xidative demethylati on of sarcosine (N-...

Ngày tải lên: 08/03/2014, 16:20

... Early studies employing equilibrium dialysis established the existence of about 10 Ca 2+ -binding sites, at least three of which mediate cooper- ative binding [23–26]. By studies of the binding of ... domain-containing frag- ments of this protein. MATERIALS AND METHODS Materials The lipids 1-palmitoyl 2-oleoyl-sn-glycero-3-phosphocho- line and 1,2-dioleoyl-sn-glycero-3-[phospho-...

Ngày tải lên: 08/03/2014, 23:20

... increased syndecan-1 and syndecan-4 mRNAs expression by +40 and +53%, respectively, and dbcAMP stimulated them by +35 and +55%, respectively (Tables 2 and 3). DISCUSSION This report shows, for the ... glypican-1; 5¢-ACAGACTACCTCATGAAGAT-3¢ and 5¢-AGCCATGCCAAATGTCTCAT-3¢ for b-actin. The PCR was started at 94 °Cfor1minandfollowedby up to 27 cycles of amplification for the th...

Ngày tải lên: 17/03/2014, 23:20

... treatment of 6e and 7a with trimeth- ylsilyl bromide and methanolysis. Finally, the ethyl ester group of 8a was hydrolysed under basic conditions, and the Z-andE-isomers were separated by anion-exchange chromatography. ... between 4f and trimethyl phosphite. Therefore 2b and 2d,aswellas2i were prepared by alkaline hydrolysis of the esters 2a, 2c and 2h, respectively. However...

Ngày tải lên: 18/03/2014, 01:20

... (A) and liver (B) of 21-day-old fetal (F-21), 5, 10, and 20-day-old suckling (S-5, S-10, and S-20) and adult rats were hybridized with speci®c probes for glucokinase and 18S rRNA. At t he top of ... the activities of citrate synthase (an enzyme of the Krebs cycle re¯ecting the number of mitochondria [10]), succi- nate dehydrogenase and cytochrome oxidase (compo- nents...

Ngày tải lên: 31/03/2014, 15:20

... dithiothreitol and 10% glycerol buffer were stored at 270 8C until use. Determination of branching enzyme activity on amylose and amylopectin with the starch–iodine assay Amylose (type III, Sigma) and amylopectin ... samples. RESULTS AND DISCUSSION Comparison of SBE I and SBE II on the amylose and amylopectin substrates To compare the activity properties of potato SBE I and...

Ngày tải lên: 31/03/2014, 23:20

... Tissues Brain and Immune System The brain and the nervous and immune systems are the major adaptive systems of the body. 104 Several pathways have been shown to link the brain and the immune system, ... coop- erate in a number of pathologic and physiologic processes such as the regulation of hair follicle cycling and development and such as wound 68 Allergy, Asthma, and...

Ngày tải lên: 08/08/2014, 20:23