202 resultados para d-glucosio epimerizzazione isomerizzazione catalisi eterogenea


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(Baoshan pig)19DNA Dloop1 1 5 363 - 1 5 801438185T/ C1G/ A1G/ C1A/ TA.T.GX35.4%.26.9%.13.2%24.5 %,A+ T(62 .3)G+ C(37 .7 %)

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PCR()1DNA ND4(1377 bp)D-500bpND4123,ND48.9%;ND425,1.8%D-,4.3%,26.4%26.0%,,(evolutionary significant units, ESU),

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PCR-72624mtDNAD-3^459bpD-3^110bpmtDNA D-

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56--2-(4-)-4--4H-1--7---D-

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-7---D--7---D-

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DSRVRajiAZTSRVSI1350088124611

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Sera from 510 macaques consisting of Macaca mulatta, Macaca assamensis, Macaca fascicularis, Macaca nemestrina, and Macaca arctoides were investigated for antibodies to simian AIDS type D retrovirus (SRV) by ELISA and Western blot with viral antigens purified from supernatants of SRV-1 infected cell cultures. Of these monkeys, 104 were seropositive by ELISA; only 23 were confirmed by Western blot. The true positive reaction to SRV was found in 15 of 463 (3.2%) M. mulatta and eight of eleven (72.7%) M. assamensis.

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Four novel highly oxygenated trinortriterpenoids, sphenalactones A-D (1-4), were isolated from the leaves and stems of Schisandra sphenanthera and their structures were elucidated by extensive analysis of 1D and 2D NMR data. Compounds 1-4 featured a C-27

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Four azaphilones, named phomoeuphorbins A-D (1-4) were isolated from cultures of Phomopsis euphorbiae, an endophytic fungus isolated from Trewia nudiflora. Structures of 1-4 were established on the basis of spectroscopic analyses, including application of

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Four new hasubanane-type alkaloids, periglaucines A-D (1-4), and three known alkaloids, norruffscine (5), (-)-8-oxotetrahydropalmatine (6), and (-)-8-oxocanadine (7), were isolated from the aerial parts of Pericampylus glaucus. Their structures were eluci