one function of glial cells is to control heartbeat and breathing
Báo cáo "Application of power electronic components to control parameters and switching of compensation devices on power networks " doc
Ngày tải lên :
05/03/2014, 14:20
... pulses to fire thyristor valves.
- Pulse Amplifier: to amplify both sample pusles and controlling pulses to fire desired thyristor
valves.
- Isolator: to isolate the power circuit from controlling ... structure of thyristor controlling circuit comprises four main block:
- GSSPB - Generating standard sample pulse block (sensor): to issue standard sample pulse then
will be synchronized with controlling ... VNU Journal of Science, Mathematics - Physics 25 (2009) 77-82
81
block are fed to the base terminals of transistors Q1 and Q2 via the resistors R3 and R05 for limiting
current. The control pulses...
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The aim of the research is to study the factors affecting the lifetime of pulsed plasma thruster
Ngày tải lên :
15/03/2014, 23:15
... http://www.cse.clrc.ac.uk/msi/projects/ropa.shtml
7
12
Two Ways to Think about Radiation Energy
2. Total Energy
ã
This relates not only to how much energy is in each
packet but also to the total number of packets arriving
at a ... “particles”)
–
Different number of ions can cluster together
–
Must be a multiple of the formula unit
ã
ZnO always has equal numbers of Zn and O atoms
ã
TiO
2
always has twice as many O as Ti atoms
~100 nm TiO2 ... deeper into the skin,
leading to long term damage
Source: N.A. Shaath. The Chemistry of Sunscreens. In: Lowe NJ, Shaath NA, Pathak MA, editors. Sunscreens, development,
evaluation, and regulatory...
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Báo cáo khoa học: Vanadium-induced apoptosis of HaCaT cells is mediated by c-fos and involves nuclear accumulation of clusterin pptx
Ngày tải lên :
16/03/2014, 02:20
... expression of CLU or b-actin.
(E) Cytoplasmic (C) and nuclear (N) extracts isolated from confluent
monolayers of HaCaT Neo and HaCaT c-fos cells and total proteins
isolated from HaCaT cells and HaCaT cells ... induced apoptosis of human
tumor epithelial cells [21]. Accumulation of nCLU
correlated with inhibition of cell proliferation and
induction of apoptosis of human tumor epithelial cells
caused ... that
VOSO
4
exhibited both cytostatic and cytotoxic effects
on HaCaT cells.
Induction of apoptosis correlated with
upregulation of the c-fos proto-oncogene and
changes in the expression of CLU
Next, we investigated...
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Báo cáo khoa học: Oxidative stress is involved in the permeabilization of the inner membrane of brain mitochondria exposed to hypoxia/reoxygenation and low micromolar Ca2+ Lorenz Schild1 and Georg Reiser2 doc
Ngày tải lên :
16/03/2014, 22:20
... helped us to
understand the mechanism of damage was to study
the sensitivity of state 3 respiration to extramitoch-
ondrial NADH. Thus, we were able to detect permea-
bilization of the inner mitochondrial ... mitochondria allow investiga-
tion of the impact of single factors and their interplay,
such as Ca
2+
and ROS. Therefore, we exposed isola-
ted rat brain mitochondria to H ⁄ R and ⁄ or Ca
2+
and
determined ... membrane and subsequently to the
impairment of mitochondria upon ischemia⁄ reper-
Fig. 5. Influence of Ca
2+
increase in combination with H ⁄ Rand
extramitochondrial NADH on respiration of brain mitochondria....
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Báo cáo khoa học: The pivotal regulator GlnB of Escherichia coli is engaged in subtle and context-dependent control potx
Ngày tải lên :
23/03/2014, 04:21
... puzzle of a func-
tional explanation for the existence of GlnB: why
should control by P
II
* be absent altogether, and what
then is the function of the cascade and of its pivot
GlnB? The problem is ... the control
by enzymes of the fluxes through metabolic pathways.
One of these is known as metabolic control analysis
(MCA) [10–12]. In this method, the activity of the rele-
vant enzyme (e
i
) is ... Scanning of the autoradiograms and the deter-
mination of intensity of the P
II
* and P
II
*–UMP bands
were as described above. Some gels did not result in
a complete separation of the uridylylated and...
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báo cáo hóa học:" Higher percentage of CD133+ cells is associated with poor prognosis in colon carcinoma patients with stage IIIB" pptx
Ngày tải lên :
18/06/2014, 15:20
... stem cells was questioned. On the one hand,
CD133
+
colon cancer cells revealed 'stem-like' characteris-
tics, and stem cells marked by CD133 was susceptible to
transformation into tumors[49]. ... pathway in hematopoi-
etic stem cells and leukemia-initiating cells: a mechanistic
difference between normal and cancer stem cells. Blood Cells
Mol Dis 2008, 41(1):73-76.
58. Willis ND, Przyborski ... clinical evidence for this hypothesis is still scarce. To evaluate the overpopulation
hypothesis of cancer stem cells the association of percentage of CD133
+
tumor cells with clinicopathological...
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– THE GRE ANALYTICAL WRITING SECTION – Leave about one-quarter of the time allotted to go over pdf
Ngày tải lên :
18/06/2014, 17:20
... relationship is fly : bird. Breach is the action of a whale.
Fly is the action of a bird.
2. a. The relationship of quixotic to pragmatic is one of opposites. Murky is the opposite of clear.
3. c. To libel ... lives.
One of the effects of this statistic is that politicians will cater to the groups that do vote in large
numbers, giving more weight to their needs than to those of other groups or of the ... main point is that
a. the fauna and flora of Para are distinct from both the flora and fauna of Guiana and the fauna and
flora of Brazil.
b. Para supports a very large number of ecological distinct...
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Báo cáo y học: "Incidence of Ocular Zoonoses referred to the Inflammatory and Autoimmune Ocular Diseases Service of the University of Parma - Italy"
Ngày tải lên :
03/11/2012, 11:11
...
keratouveitis, tuberculosis, syphilis, etc). There were
26 (63%) new cases of zoonoses, including 24 cases of
toxoplasmosis, 1 case of ocular toxocariasis and 1 case
of Lyme borreliosis.
Of ... and Emilia Romagna
is an endemic area with 831 new cases from 1996 to
2007.
The global incidence of toxoplasmosis is ex-
tremely variable: from 3% to 70% of adults are sero-
positive for Toxoplasma. ... therefore the real incidence of Lyme disease
is unknown. In Italy, Lyme disease has been subject to
mandatory notification since 1990, but there is likely
an underestimation of the real prevalence....
- 2
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THE SIX DISCIPLINES OF BREAKTHROUGH LEARNING: How to Turn Training and Development Into Business Results
Ngày tải lên :
10/02/2014, 18:32
... learning of cer has
direct insight into the major initiatives of the chief executive
of cer (CEO) and his team and works to ensure that learning
initiatives are designed, piloted, revised, and in ... We discovered that there is no one “magic
bullet.” Rather, breakthrough programs are the result of a disciplined
and systematic approach to learning and development, executed with
passion and ... Institute
and author, Intrapreneuring
“The Six Disciplines of Breakthrough Learning describes how to
embrace and reap full benefit from training and development and
gain C-level respect. Too often...
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Tài liệu Báo cáo khoa học: Neuronal growth-inhibitory factor (metallothionein-3): evaluation of the biological function of growth-inhibitory factor in the injured and neurodegenerative brain pdf
Ngày tải lên :
16/02/2014, 15:20
... disease.
Synthesis and secretion of GIF in the
brain
Cellular and temporal localization of GIF
synthesis
Whilst the MT1 and MT2 isoforms are ubiquitously
synthesized throughout most tissues in mammals, GIF
is ... is important to note that the synthesis of MT1 and
MT2 in the injured or diseased brain is quite different
from the synthesis of GIF. While GIF synthesis is gen-
erally considered to be reduced ... ability of GIF to
redox-silence metal ions and directly scavenge ROS (dis-
cussed above) provide two distinct mechanisms through
which GIF can act to protect against Ab pathogenesis
and neurotoxicity...
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Tài liệu The Art of Creative Thinking: How to Be Innovative and Develop Great Ideas (John Adair Leadership Library) ppt
Ngày tải lên :
18/02/2014, 03:20
... cannot make
anything out of nothing. Once, a distinguished visitor to
Henry Ford’s auto plants met him after an exhaustive tour of
the factory. The visitor was lost in wonder and admiration. ‘It
seems ... London, and he is also a Fellow of the
Royal Historical Society. Recently the People’s Republic of
China awarded him the title of Honorary Professor in recog-
nition of his ‘outstanding research and ... talking in your mind to yourself.
Questioning, carefully done, helps you to distinguish
between what is known and what is unknown.
Go round asking a lot of damfool questions and taking
chances....
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TheCortisol Connection Diet THE BREAKTHROUGH PROGRAM TO CONTROL STRESS AND LOSE WEIGHT doc
Ngày tải lên :
29/03/2014, 04:20
... try to burn it.
Cortisol is the body’s primary stress hormone and is
linked to a number of health problems — including obesity.
Chronic or long-term stress raises cortisol levels, and
this leads ... glucose
metabolism, insulin regulation, and appetite control. A defi-
ciency of chromium is known to lead to glucose intolerance
and insulin resistance—which we know can predispose us
to weight gain. ... cortisol) is a
potent regulator of both appetite and mood. The drug
Meridia (sibutramine), one of the two existing pharmaceuti-
cals for weight loss, works by increasing levels of serotonin
(to...
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Trends in Social Media of US in Marketing to young customers and its effect pot
Ngày tải lên :
03/04/2014, 09:20
...
want to be harassed with more advertising and they are selective with the contacts
including brands and companies that they add to their list of friends.
On one hand, the size of the market offered ... main issues identified related to this aspect: data
privacy and tools of measurement. On one hand without the data that SNS provide,
marketers and advertisers could not measure the results of ... E. Hall, and K. Ecclestone, 2004)
FIGURE : THE RELATIONS BETWEEN FOUR LEARNING STYLES OF HONEY AND MUMFORD
(Source: (F. Coffield, D. Moseley, E. Hall, and K. Ecclestone, 2004))
In this figure,...
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