role of rotifers in the environment
Tài liệu Improving health, connecting people: the role of ICTs in the health sector of developing countries ppt
Ngày tải lên :
14/02/2014, 09:20
... specific to the use of ICTs
in the health sector in developing countries. A summary of these key lessons as they relate
to intermediaries and beneficiaries, to improving the functioning of health ... understanding and the
evidence base about the use of ICTs in the health sector are:
ã How to evaluate the impact of the use of ICTs on health?
ã What can be done to strengthen the role of and ... the emergence of new technologies include the advantages of
integrating ICT activities into other programmes, the benefits and strengths of building on
existing systems and structures and the...
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Tài liệu Báo cáo khoa học: The role of antioxidants in the cytotoxicity of chemotherapeutic drugs pptx
Ngày tải lên :
19/02/2014, 07:20
... undergoes fusion with the
membrane of intra-endosomal vesicles contained within MVBs,
thereby releasing the nucleocapsid into the lumen of these vesi-
cles. Then, the capsid uses these intra-endosomal ... mild
developmental delay. The protein defective in this disorder is also
a NHEJ protein. The distinct clinical features of the patients will
be discussed in the context of the protein function.
3.4 Diabetes, ... Mutations in the
ERCC1 gene induce a distinct set of accelerated ageing features,
with a rate of onset depending on the severity of the mutation.
The correlation between repair defect severity and clinical...
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Tài liệu Báo cáo khoa học: A possible role of mitochondria in the apoptotic-like programmed nuclear death of Tetrahymena thermophila Takashi Kobayashi and Hiroshi Endoh docx
Ngày tải lên :
20/02/2014, 03:20
... which appear to be involved in the final
resorption of the parental macronucleus during PND
in T. thermophila, and suggested the involvement of
mitochondria in this process [19]. In mammalian apop-
tosis, ... key role in PND in
Tetrahymena. Unfortunately, the involvement of mito-
chondria in PND has not been clarified fully. To eluci-
date the role of the mitochondrion as a key effector
we studied the ... directly
show the localization of mitochondria in the autophag-
osome, as the red fluorescence corresponding to intact
mitochondria was not observed in the area. Therefore,
to confirm further the localization,...
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Tài liệu Báo cáo Y học: Role of electrostatics in the interaction between plastocyanin and photosystem I of the cyanobacterium Phormidium laminosum ppt
Ngày tải lên :
21/02/2014, 01:21
... go in the same direction. The inverse is
thecasefortheattractioninthecaseofAnabaena. Also, if
the structure of the final complex in which electron transfer
takes place remained unaltered with increasing ... character-
ization of the plastocyanins has been described [1].
Representations of the electrostatic surfaces showing the
changes introduced by the mutations are displayed in Fig. 1.
The decay of the flash-induced ... interaction.
Electron-transfer chains like that of oxygenic photosyn-
thesis impose special restraints on the proteins involved.
Reactions must be fast to allow rapid turnover of the
chain. Binding between the reaction...
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Role of Corticosteroids in the Treatment of Tuberculosis: An Evidence-based Update potx
Ngày tải lên :
06/03/2014, 04:20
... imaging of
the brain was also performed in a subset of patients
in this study.
36
It was found that use of corticosteroids
possibly reduced the risk of developing
hydrocephalus and vasculitic infarcts; ... of
opportunistic infections in HIV-infected adults and
adolescents: recommendations from CDC, the National
Institutes of Health, and the HIV Medicine Association of
the Infectious Diseases Society of America. ... Vietnam. Following the
publication of this trial, Prasad and Singh
12
updated
their Cochrane systematic review on the efficacy of
corticosteroids in TBM.
12
The combined mortality in
the control...
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The Role of Probiotics in the Poultry Industry doc
Ngày tải lên :
08/03/2014, 09:20
... stomach,
the presence of bile acids in the intestines, and the competition against other micro-organisms in the
gastro-intestinal tract [91,92]. The tentative ways for selection of probiotics ...
colonizing the intestine may secrete the enzyme, thus increasing the intestinal amylase activity [82,83].
It is well established that probiotics alter gastrointestinal pH and flora to favor an increased ... Interrelationship of Lactobacillus and zinc
bacitracin in diets of turkey poults. Poult. Sci. 1978, 57, 1687-1689.
105. Fuller, R. The importance of lactobacilli in maintaining normal microbial balance in the...
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Báo cáo khoa học: New evidence for the role of calcium in the glycosidase reaction of GH43 arabinanases pot
Ngày tải lên :
15/03/2014, 23:20
... distribution of BsArb43B in the proximity
of the active site. Arabinotriose in the binding cleft is represented
using sticks. (B) Detailed view of the binding cleft with arabinotri-
ose. (C) Details of the ... with
arabinohexose [15], this loop makes the reducing end
of the carbohydrate chain bend towards the solvent,
probably optimizing binding of the carbohydrate chain
in the cleft, and resulting in trioses ... for the optimal activity of
BsArb43B.
Furthermore, to determine whether the role of the
calcium is structural, thermal shift assays were per-
formed to determine the T
m
of the protein in the...
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Báo cáo khoa học: Dual role of Nbs1 in the ataxia telangiectasia mutateddependent DNA damage response ppt
Ngày tải lên :
16/03/2014, 13:20
... formation of MRN
foci [19–21].
The Mre11-binding domain of human Nbs1 has
been localized to amino acids 682–693 in the COOH-
terminal region of the protein. Deletion of this region
of Nbs1 results in ... damage, thereby promoting
ATM-dependent signaling [23]. Domains similar to
the ATM-binding domain of Nbs1 are also found in
ATRIP and Ku80 and are required for the interaction
of these proteins with ... an NH
2
-terminally truncated
Nbs1 protein that contains an intact Mre11-binding
domain. Differences in the nature of the Nbs1 muta-
tion, as well as in the dose of radiation administered
to...
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Báo cáo khoa học: "The key role of semantics in the development of large-scale grammars of natural language" pdf
Ngày tải lên :
17/03/2014, 22:20
... results in trimming the
dry branches off the bush. And this is what the
semantic type in (16) captures.
3.3 Impingement Predicates
In order to capture the semantic properties of the
arguments of the ... (
SOA
[ch -of- loc-rel
FIG
El
That is, as (16) above captures, in German trim-
ming necessarily results in trimming something
off something else; in the case of example (9)
above trimming the bush ... representative verb of the
impingement predicates
class in German, the verb
schlagen
(hit) in examples (10)-(12) above, we
propose the semantic types in (17) and (18), which
are in the spirit of the MRS-based...
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Báo cáo Y học: The role of zinc in the methylation of the coenzyme M thiol group in methanol:coenzyme M methyltransferase from Methanosarcina barkeri New insights from X-ray absorption spectroscopy doc
Ngày tải lên :
17/03/2014, 23:20
... also in His237 fi Ala the HS-CoM binding
results in sulfur ligation to the active-site zinc.
XANES spectra of wild-type and mutants
As shown in the following, the interpretation of the EXAFS
of the ... Matthews, R.G. &
Penner-Hahn, J.E. (1998) Characterization of the zinc binding site
in methionine synthase enzymes of Escherichia coli – the role of
zinc in the methylation of homocysteine. ... unambiguously
indicates that HS-CoM addition results in an increase in the
number of sulfur atoms in the first coordination sphere of
zinc. This increase in the number of sulfur ligands is
accompanied by the...
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ENCYCLOPEDIA OF SOILS IN THE ENVIRONMENT ppt
Ngày tải lên :
23/03/2014, 01:20
... Classification of Soils 204
Principle of Purpose 205
Principle of Domain 205
Principle of Identity 206
Principle of Differentiation 206
Principle of Prioritization 207
Principle of Diagnostics ... studying the passage of
solutes through beds of clay.
However unique in form and function, soil is not an isolated body. It is, rather, a central link in the larger
chain of interconnected domains ... through increasing use of agro-forestry techniques (e.g. inter-cropping cereals with leguminous
nitrogen-fixingtrees) and increasing the efficientapplicationsof chemical fertilizers .In other impoverished,as...
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The Role Of Exhibitions In The Marketing Mix pot
Ngày tải lên :
23/03/2014, 04:21
... construction in China, Korea, Singapore and the
Near East. The fast-developing nations in these regions place their expectations of economic growth
and prosperity on the exhibition industry. Some ... Development
The 21st century: Globalisation of the exhibition industry
The framework conditions for today's development of the exhibition industry were established by the end of
the last century. ... brought to their sites in return.
The future will show which of these ways will be the most successful.
back footnote go on
UFI, The Global Association
of the Exhibition Industry
University of Cooperative...
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Báo cáo khoa học: Role of gangliosides in the association of ErbB2 with lipid rafts in mammary epithelial HC11 cells docx
Ngày tải lên :
23/03/2014, 10:21
... ester-induced disruption of the
CD4–Lck complex occurs within a detergent-resistant
microdomain of the plasma membrane. Involvement of
the translocation of activated protein kinase C isoforms.
J ... observed (Fig. 4C,E
respectively). These findings support the view that
GM3 is mainly involved in retaining ErbB2 in lipid-
raft domains, but that it is not involved in ErbB2
phosphorylation.
EGFR ... 2006)
doi:10.1111/j.1742-4658.2006.05203.x
We analyzed the role of gangliosides in the association of the ErbB2 recep-
tor tyrosine-kinase (RTK) with lipid rafts in mammary epithelial HC11
cells. Scanning confocal microscopy...
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Báo cáo khoa học: Analyzing the catalytic role of Asp97 in the methionine aminopeptidase from Escherichia coli potx
Ngày tải lên :
30/03/2014, 02:20
... both of the metal-binding sites
(Table 3). Although the predominant effect is on the
second metal-binding site, substitution of Asp97 by
glutamate and asparagine makes the process of binding
of the ... (K
a
) for the binding of Co(II) were
obtained by fitting these data, after subtraction of the
background heat of dilution, via an iterative process
using the origin software package. This software ... bidentate binding of Glu97 may pre-
vent binding of the solvent ligand that appears to be
present in other mono-cobalt(II) species of EcMetAP-I.
Combination of these data suggests that mutating
the...
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