autonomic nerve responsible for normal resting heart rate
Báo cáo y học: "Effects of p-Synephrine alone and in Combination with Selected Bioflavonoids on Resting Metabolism, Blood Pressure, Heart Rate and Self-Reported Mood Changes"
Ngày tải lên :
25/10/2012, 11:04
... blood pressures and
resting heart- rates from baseline to the ending test for
each of the five study groups. The average baseline
blood pressures and resting heart- rates for the study
cohort ...
After remaining seated in an isolated area for
10-15 min., participants completed measurements of
their blood pressure, resting heart- rate and resting
metabolism using Micro Lifes MedGemđ ...
with three different amounts of hesperidin and nar-
ingin on: (1) resting metabolism rate, (2) blood pres-
sure, (3) resting heart- rate, and (4) self-reported
mood/energy levels in healthy human...
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Báo cáo y học: "Effect of Acute Administration of an Herbal Preparation on Blood Pressure and Heart Rate in Humans"
Ngày tải lên :
25/10/2012, 11:10
... differences were observed for
heart rates or blood pressures between the experi-
mental and placebo control groups. However, there
was a small but significant change in RER data for the
low caffeine ... significant effects of
either treatment on heart rate were noted over the first
three hours after ingestion of the products. However,
a significant increase in heart rate over control was
noted at the ...
after treatment ingestion. After eating, an increase in
heart rate occurred in all three treatment groups. The
increase in heart rate does not coincide with the
pharmacokinetics including...
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Tài liệu CAPTURE-RECAPTURE ANALYSIS FOR ESTIMATING MANATEE REPRODUCTIVE RATES ppt
Ngày tải lên :
13/02/2014, 16:20
... sampling period.
For the NW this entailed selecting a potentially different date for the entire
population in each year. The AC sighting effort was more spread out geographically.
Therefore we sorted ... the poor performance of the more general models
we did fit (Table 3) indicated the global model would not fare well, so we abandoned
that effort.
Normally a goodness of fit test is performed on the ... features are used
for identification. Nearly all individuals in the catalog have multiple scar patterns
distributed over .1 area of their body, providing redundant information for
identification....
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Tài liệu Investigation of Organic Chemicals Potentially Responsible for Mortality and Intersex in Fish of the North Fork of the Shenandoah River, Virginia, during Spring of 2007 ppt
Ngày tải lên :
14/02/2014, 08:20
... 2008
For product and ordering information:
World Wide Web: http://www.usgs.gov/pubprod
Telephone: 1-888-ASK-USGS
For more information on the USGS the Federal source for science about the Earth, ... held for 3 minutes, then ramped
at 9 °C/min to 320 °C and held at 320 °C for 3 minutes.
Identification of the targeted chemicals was performed using
full-scan MS, and quantification was performed ... with the Friends of the North Fork of the Shenandoah River
Investigation of Organic Chemicals Potentially Responsible
for Mortality and Intersex in Fish of the North Fork of the
Shenandoah River,...
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Tài liệu The importance of interest rates for forecasting the exchange rate doc
Ngày tải lên :
15/02/2014, 05:20
... Hungnes
The importance of interest rates
for forecasting the exchange rate
Abstract:
This study compares the forecasting performance of a structural exchange rate model that combines
the purchasing ... used
a random walk model for the exchange rate when making economic forecast.
13
5. Out-of-sample forecasting
Having identified a parsimonious model for the exchange rate, a natural question ... the annual interest rate, we
therefore need to multiply the quarterly interest rate by four. Hence, if we had used an annual interest
rate, the coefficient for the interest rate difference would...
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Tài liệu Báo cáo khoa học: Identification of two late acyltransferase genes responsible for lipid A biosynthesis in Moraxella catarrhalis doc
Ngày tải lên :
18/02/2014, 14:20
... except for
UDP-GlcNAc acyltransferase, responsible for lipid A biosynthesis in
M. catarrhalis, have been identified. By bioinformatics, two late acyltrans-
ferase genes, lpxX and lpxL, responsible for ... were responsible for
the addition of secondary laurate (C12:0) chains at the
2-position and 2Â-position of lipid A [29,38]. Our
results showed that the lpxX gene product in O35E
was responsible for ... m HCl at 80 °C for 18 h.
The FAMEs were recovered into the organic phase by
three-fold extraction with 50% NaCl ⁄ chloroform (1 : 1
v ⁄ v). A new volume of chloroform was used for each of
the...
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Tài liệu Báo cáo khoa học: Is ATP binding responsible for initiating drug translocation by the multidrug transporter ABCG2? docx
Ngày tải lên :
18/02/2014, 18:20
... post-hydrolysis. Therefore, the dissoci-
ation of phosphate and ⁄ or ADP is likely to be responsible for resetting
of the transporter. The data indicate that, like ABCB1 and ABCC1,
the ‘power stroke’ for translocation ... Although early cellu-
lar studies failed to generate a consensus for the sub-
strate profile, the discrepancies were attributed to a
mutation generated during long-term selection in the
presence ... within
NBDs. The best evidence for an interaction between
the two domains is the ability of numerous substrates
and modulators of ABCG2 (and the R482G isoform)
to stimulate the rate of ATP hydrolysis...
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Tài liệu Báo cáo khoa học: Functional studies of active-site mutants from Drosophila melanogaster deoxyribonucleoside kinase Investigations of the putative catalytic glutamate–arginine pair and of residues responsible for substrate specificity docx
Ngày tải lên :
19/02/2014, 02:20
... HSV1-TK show a similar binding mode for
the substrates in the active site. Three key residues in
Dm-dNK, identified and proposed as being responsible
for substrate specificity [4], were mutagenized ... charged residues are
expected to influence catalytic rate rather than sub-
strate binding.
Two further active site residues responsible for
substrate binding were investigated, these being Y70
and ... the side chain may create steric hindrance
for the substrate, making the base moiety of the sub-
strates bind in a nonoptimal conformation.
Another interesting feature concerning the Y70W
mutant...
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Tài liệu Báo cáo khoa học: A novel coupled enzyme assay reveals an enzyme responsible for the deamination of a chemically unstable intermediate in the metabolic pathway of 4-amino-3-hydroxybenzoic acid inBordetellasp. strain 10d doc
Ngày tải lên :
19/02/2014, 16:20
... characterization of the
enzymes is slow [2,4], p robably because the substrate for
the enzyme assay, 2-aminomuconic 6 -semialdehyde, which i s
formed by ring cleavage of 2-aminoph enol, is unstable and is
converted ... coupled assay was
identified as 2-hydroxymuconic 6-semialdehyde by GC-MS
analysis. A mechanism for the formation of 2-hydroxy-
muconic 6-semialdehyde via enzymatic deamination and
nonenzymatic decarboxylation ... A novel coupled enzyme assay reveals an enzyme responsible for the
deamination of a chemically unstable intermediate in the metabolic
pathway of 4-amino-3-hydroxybenzoic...
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Tài liệu Báo cáo Y học: Interallelic recombination is probably responsible for the occurrence of a new as1-casein variant found in the goat species potx
Ngày tải lên :
22/02/2014, 04:20
... be
heterozygous (M/F and M/B).
Interestingly, the mutation s pecific for the M allele affects
the same nucleotide as that which is deleted in the F allele,
and shown to be responsible for the internal deletion ... & M artin [6], we also n eeded to obtain
information ab out relevant noncoding regions in which
specific and informative mutations are localized.
For these reasons, we d ecided to analyse the ... There-
fore, analysis o f their transcripts could have been rather
difficult because of the occurrence of at least nine different
forms of messenger arising from the F allele [9]. Finally, t o
integrate...
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Báo cáo khoa học: Identification of the structural determinant responsible for the phosphorylation of G-protein activated potassium channel 1 by cAMP-dependent protein kinase pdf
Ngày tải lên :
07/03/2014, 00:20
... the GIRK1 protein
was also demonstrated to be a direct target for PKA-
catalysed phosphorylation [17,22,23]. Despite several
efforts undertaken to identify the responsible structural
determinant ... determinant responsible for PKA
phosphorylation in vitro
To identify the structural determinants that are respon-
sible for phosphorylation of GIRK1 by PKA, fusion
proteins comprising truncated forms ... substrate for PKA itself. Recently,
using a different experimental approach employing
mass spectroscopic methods, Rusinova et al. [30] has
identified S385 as a prominent and specific target for
PKA-catalysed...
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Báo cáo khoa học: Lpx1p is a peroxisomal lipase required for normal peroxisome morphology potx
Ngày tải lên :
07/03/2014, 05:20
... activity of Lpx1p, we assayed
the E. coli-expressed protein for esterase activity, using
p-nitrophenyl butyrate (PNB) as the test substrate. PNB
can be hydrolysed by esterases, yielding free p-nitro-
phenol, ... N,N’-dicyclohexylurea (DCU) (data
not shown).
To test for lipase activity, we used 1,2-dioleoyl-3-
(pyren-1-yl)decanoyl-rac-glycerol (DPG) as a substrate.
DPG contains the eximer-forming pyrene decanoic
acid as one ... hydro-
lyse this substrate under the assay conditions (Table 1).
Next we tested for phospholipase C activity in a
coupled enzyme assay with phosphatidylcholine as the
substrate. In this assay,...
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Báo cáo khoa học: Copper-containing nitrite reductase fromPseudomonas chlororaphis DSM 50135 Evidence for modulation of the rate of intramolecular electron transfer through nitrite binding to the type 2 copper center pot
Ngày tải lên :
07/03/2014, 15:20
... dithionite-reduced and turn-
over forms are presented in Fig. 4. The turnover form was
obtained by brief incubation of the dithionite reduced-form
with substrate under anaerobic conditions, and ... isolated) to
1 : 0.50 (regenerated sample). All electrochemical and
kinetic studies were performed with the regenerated aliquot,
while spectroscopic studies were performed with as-isolated
protein.
Enzymatic ... transfer process
through the formation of a hydrogen bond network,
which is involved in the proton supply for substrate
reduction [12,13]. The intramolecular electron transfer rate
changes smoothly...
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Báo cáo khoa học: Two short protein domains are responsible for the nuclear localization of the mouse spermine oxidase l isoform pdf
Ngày tải lên :
07/03/2014, 17:20
... may
cooperate in targeting the mSMOl isoform to the nuc-
leus. By means of transient expression of the deletion
mutant, mSMOlD, in the murine neuroblastoma cell
line, N18TG2, we demonstrated that ... nuclear
targeting of the mSMOl isoform.
Results
Structural analysis and modeling of vertebrate
SMO proteins
Comparison of the derived amino acid sequences of
vertebrate SMO proteins has revealed ... mSMOl
have been reported previously [9,10]. The recombinant
mSMOlD isoform also shows catalytic activity. The
substrate specificity of mSMOlD for Spm, Spd and
N
1
-acetylpolyamines has been investigated...
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Báo cáo Y học: Identification and characterization of a new gene from Variovorax paradoxus Iso1 encoding N -acyl-D-amino acid amidohydrolase responsible for D-amino acid production pdf
Ngày tải lên :
08/03/2014, 16:20
... strain Iso1 was V. paradoxus .For
example, the stain Isol was positive for catalase, oxidase and
nitrate reduction but negative of hydrolysis for gelatin and
starch. Therefore, according to all above ... concentration of chelating reagents and
metal ions used for assay were 1 m
M
and 10 m
M
, respectively.
Substrate specificity analysis
Various substrates (25 m
M
) were added to the enzyme in the
standard ... pBK-
damD4 plasmid contained an insert of 9kbandthiswas
used for Southern hybridization and subcloning to generate
deletion plasmids for nucleotide sequencing. The Southern
hybridization analysis...
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