Báo cáo "A new 3α-acetoxy-urs-23,28,30-trioic acid from the leaves of Acanthopanax Trifoliatus " doc
Báo cáo "A new 3α-acetoxy-urs-23,28,30-trioic acid from the leaves of Acanthopanax Trifoliatus " doc
...
A new 3
-acetoxy-urs-23,28,30-trioic acid, named acantrifoic acid B (1), has been
isolated from the leaves of Acanthopanax trifoliatus. Its chemical structure has been
characterized on the ... 3-acetoxy-urs-
23,28,30-trioic acid (1).
II - RESULTS AND DISCUSSION
Repeated column chromatography on silica
gel of the dichloromethane extract of the dried
leaves...
Tài liệu Báo cáo khoa học: Erythrochelin – a hydroxamate-type siderophore predicted from the genome of Saccharopolyspora erythraea docx
... characterization of these compounds is
growing and may result in the synthesis of specific
inhibitors based on the structure of the pathogen
siderophore [16].
A promising approach for the isolation of secondary
metabolites, ... derivatization-based
elucidation of the overall stereochemistry. Further-
more, the functional properties of erythrochelin acting
as an iron-che...
Báo cáo khoa học: Nitric oxide formation from the reaction of nitrite with carp and rabbit hemoglobin at intermediate oxygen saturations pdf
... evaluated from plots of the concentrations
of the four Hb derivatives as function of time. The reaction
rates for the nitrite reaction with deoxyHb and oxyHb were
obtained by differentiation of the ... shaking of
the tonometer.
Data analysis
The Hb solution at any time during the reaction of nitrite
with Hb was assumed to be a mixture of deoxyHb, oxyHb,
metHb a...
Tài liệu Báo cáo khoa học: "UNDERSTANDING NATURAL LANGUAGE INSTRUCTIONS: THE CASE OF PURPOSE CLAUSES" doc
...
for the whole duration offal/:
Ex. 10 Hold the cup under the spigot to fill it with
coffee.
Notice that, in the same way that the generatee affects
the execution of the generator, so the ... depiction of the first kind of accommodation
accommodation
A A A
l 2 1
¢g
Figure 2: Schematic depiction of the second kind of accommodation
Ex.
11 Go into the...
INFLUENTIAL MARKETING: A NEW DIRECT MARKETING STRATEGY ADDRESSING THE EXISTENCE OF VOLUNTARY BUYERS doc
... calculated as the following:
n the datathe item irences of # of appea
tive classn the posithe item irences of # of appea
.
21
Note that the parameter c takes into account the occurrence of an item ... associated with the same amount of expected profit.
Therefore, the first adjustment is to uniformly set the expected profit of each responder to
$1.00 (the...
Tài liệu Báo cáo " A new natural source of Camphor from Cinnamomum longepetiolatum Costerm. apud Phamh. in Vietnam " doc
...
industry. The timber of Cinnamomum Phoebe
and other genera was very valuable. The bark of
Cinnamomum cassia and the root of Lindera
aggregata were the famous drug in traditional
medicine. The fruit ... in the course of
systematic study of Lauraceae in Vietnam, we
reported herein on the chemical constituents of
the essential oils obtained by hydro distillatio...
Tài liệu Báo cáo khoa học: Identification, sequencing, and localization of a new carbonic anhydrase transcript from the hydrothermal vent tubeworm Riftia pachyptila docx
... 18S
amplification. The number of cycles on the y-axis is the difference
between the number of cycles required to amplify each transcript
and the number of cycles required to amplify 18S. The number of
tissue ... of the CA D. melanogaster
sequences and, on the other hand, the other
D. melanogaster sequences more closely related to the
CAVI vertebrate isoforms (CAa,...
Báo cáo khoa học: A new phospholipase A2 isolated from the sea anemone Urticina crassicornis – its primary structure and phylogenetic classification pptx
... enzyme. In the presence
of EGTA, it showed no enzymatic activity on either of
the substrates (Fig. 5). In the presence of NaCl, its
enzymatic activity followed the same tendency as that
of the group ... r. russelli) exhibited the highest similarity with that of
AcPLA
2
. Hence, we have modeled the structures of
UcPLA
2
and AcPLA
2
on the basis of the crystal st...
Báo cáo y học: "Endoscopic Facet Debridement for the treatment of facet arthritic pain – a novel new technique
...
from the radiofrequency procedure, the length of im-
provement varied from 3 months to 16 months.
Again, no one in the radiofrequency group developed
permanent relief of their pain. Thus, the ... considering
the endoscopic option. The facet injections in these 72
patients gave 50 to 100% relief of their pain in 86% of
the patients with a median relief period of...
Tài liệu Báo cáo khoa học: An alternative transcript from the death-associated protein kinase 1 locus encoding a small protein selectively mediates membrane blebbing pdf
... stops at the 126th base pair of intron 20–21 of the DAPK-1 gene, and the 3¢-UTR extends through the middle of
intron 20–21. (B) Comparison of the protein sequences of DAPK-1 and s-DAPK-1. The first ... whereas the 40 kDa s-DAPK-
1Dtail protein exhibited the highest levels of membrane blebbing. Deletion
of the tail extension of s-DAPK-1 increased its half-life,...
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