báo cáo khoa học: "Dynamics and mechanisms of quantum dot nanoparticle cellular uptake" pps
báo cáo khoa học: "Dynamics and mechanisms of quantum dot nanoparticle cellular uptake" pps
... binding of quantum dots in live cell assays. Bioconjug
Chem 2005, 16:1488-1494.
doi: 10.1186/1477-3155-8-13
Cite this article as: Xiao et al., Dynamics and mechanisms of quantum dot
nanoparticle cellular ... toxicity and fate in cells and clearly emphasizes the
importance of strict environmental control of QDs and
other nanoparticles as well.
Conclusions
Surface c...
Tài liệu Báo cáo khoa học: Models and mechanisms of O-O bond activation by cytochrome P450 A critical assessment of the potential role of multiple active intermediates in oxidative catalysis doc
... [98,312]. On the other hand, the
timing of radical rearrangement (radical clocks) may depend
critically on the tightness of the radical cage and the
ensemble of steric and electronic forces experienced ... rearrange in c ompetition with consumma-
Scheme 9. Epoxidation of menadione (A) and deformylation of an
enolized mimic of the A/B ring moiety of androstenedione (B) by
[...
Báo cáo hóa học: " Properties and applications of quantum dot heterostructures grown by molecular beam epitaxy" pot
... Schematic diagram of the density of states (DOS) in the
conduction band (CB) and valence band (VB) for a (a) double
heterostructure, (b) quantum well, (c) quantum wire, and (d)
quantum box laser
Nanoscale ... well-developed dots and thus
a red shift of the QD PL band. When the dot size
becomes large, different processes occur such as the
coalescence of the dots and/ or...
Báo cáo khoa học: Modeling hydration mechanisms of enzymes in nonpolar and polar organic solvents potx
... precise picture of water at
the surface of the protein, we looked at the number of
water molecules within a specific layer of 0.25 nm from
the surface of the protein (Fig. 3), and the ratio of
Fig. 2. ... (weight of
water ⁄ weight of protein). The ability of organic solvents to ‘strip off’ water
from the enzyme surface was clearly dependent on the nature of the
organic so...
báo cáo khoa học: "The immunoregulatory mechanisms of carcinoma for its survival and development" docx
... and Gal-1,
expression of immune inhibitor ligands (B7-H1 -H3 and -H4), up-
regulation of IDO and/ or ARG activity and/ or expansion of cellular
immunosuppression by MDSCs and Foxp3 Treg cells could ... stimulation of
cytotoxic CD8
+
T cells and NK cells; Up-regulation of pro-apoptotic
ligands, such as Fas L and RCAS1 may directly induce anti-
carcinoma immune cell deat...
Báo cáo khoa học: "Science review: Mechanisms of beta-receptor stimulationinduced improvement of acute lung injury and pulmonary edema" ppt
... pulmonary
endothelium. Production of IL-8 and other chemokines within
the lung leads to recruitment of neutrophils and of other
leukocytes into the interstitial and alveolar spaces of the lung.
Activated ... expression of subunits
of the sodium channel and of the Na,K-ATPase pump [24].
These mechanisms are important in the role of beta-2
agonists in the clearance of...
Báo cáo khoa học: " Science review: Mechanisms of impaired adrenal function in sepsis and molecular actions of glucocorticoids" pdf
... with
deficiency in thyroid and growth hormones and in
vasopressin. Necrosis or haemorrhage of the hypothalamus
or of the pituitary gland have been reported in sepsis as a
result of prolonged hypotension ... weight of CBG by
about 5 kDa and destroyed its steroid-binding activity. These
findings suggest that CBG-elastase release of cortisol allows
for localized delivery of cor...
Tài liệu Báo cáo khoa học: Structure and function of active chromatin and DNase I hypersensitive sites pdf
... with
binding of both MOF and Tip60 (equivalent to Esa1
in yeast NuA4) [124,130]. However, in human cells
depletion of MOF, but not Tip60, results in reduced
global levels of AcH4-K16 and defective ... acetylation and deacetyla-
tion, and transient recruitment of remodellers and
transcription factors.
A cycle of transcription commences with the recruit-
ment of transcript...
Tài liệu Báo cáo khoa học: miRNAs and regulation of cell signaling pptx
... is
involved in various cellular functions, including cell
proliferation, differentiation and migration [13].
Recently, the mechanisms of transcription and the func-
tional roles of miRNAs associated ... few have focused
upon the role of miRNAs in regulatory network of
various cell signaling pathways. We summarize the
current knowledge of the interdependence of miRNA
and...
Tài liệu Báo cáo khoa học: Expression and secretion of interleukin-1b, tumour necrosis factor-a and interleukin-10 by hypoxia- and serum-deprivation-stimulated mesenchymal stem cells Implications for their paracrine roles ppt
... in order to secrete IL-1b and TNF-a.
Hypoxia
⁄
SD induces the transcription and
secretion of IL-10
Because of the lack of secretion of the inflammatory
cytokines IL-1b and TNF-a from hypoxia ⁄ ... presence and absence of IL-10. *P < 0.05 and **P < 0.01 versus Cont group. (D) Representative
western blots for collagen I and III in the presence and absence of 0.1 l...