solar uv b radiation and the life of terrestrial plants
Environmental Adaptations and Stress Tolerance of Plants in the Era of Climate Change pptx
Ngày tải lên :
14/03/2014, 10:20
... the synthesis of compatible solutes and antioxidants, thus increasing the suitability of plants as crops in future A detailed knowledge of the physiological and biochemical basis of drought and ... membranes and proteins: On the one hand, changes of the ionic milieu lead to alterations of the membrane potential and thus to a destruction of biomembranes (Schulze et al 2002) On the other hand, ... mechanisms such as the synthesis of compatible solutes and antioxidants Therefore, the salt and drought tolerance and the productivity of these plants can be enhanced under elevated CO2 (Ball and Munns...
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Báo cáo khoa học: "Effects of propranolol in combination with radiation on apoptosis and survival of gastric cancer cells in vitro" ppsx
Ngày tải lên :
09/08/2014, 09:20
... (B) Expression of b- ARs in human gastric cell lines SGC-7901 and BGC-823 at the protein level by western blotting Both of cell lines expressed the proteins of the b1 - and b2 -ARs lower than the ... antagonist, the expression of b1 - and b2 -ARs was determined at both the mRNA and protein level in SGC-7901 and BGC-823 cells by RT-PCR and western blot Our results showed that b1 - and b2 -adrenergic ... BGC-823 by RT-PCR and western blotting (A) Expression of bARs in human gastric cell lines SGC-7901 and BGC-823 at the mRNA level by RT-PCR Both of cell lines expressed b1 - and b2 -AR mRNA (contol...
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Báo cáo y học: "A general framework for quantifying the effects of DNA repair inhibitors on radiation sensitivity as a function of dose" pptx
Ngày tải lên :
13/08/2014, 16:21
... capacity of the model to quantify and indicate the relative significance of the effects of PARP inhibition on the survival parameters listed above On a more subjective level, the ability of the model ... to investigate the utility and applicability of the SERD model The radiobiological implications of the curves have been published elsewhere [16] and will not be discussed here In the indicator ... the presence and absence of chemical inhibitors of PARP activity The variable nature and magnitude of the effects of PARP inhibition on clonogenic survival among these cell lines offered a useful...
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báo cáo khoa học: " UV-B-induced signaling events leading to enhanced-production of catharanthine in Catharanthus roseus cell suspension cultures" pps
Ngày tải lên :
12/08/2014, 05:20
... Ca2+ in UV-< /b> B induced responses Both the treatments blocked the UV-< /b> B- induced stimulation of MBPK and CDPK activities and the UV-< /b> Binduced accumulation of Tdc and Str mRNAs, and catharanthine Because ... afore-mentioned UV-< /b> B- induced responses and the UV-< /b> B- induced TIA biosynthesis The inhibitory effect of suramin on the UV-< /b> B responses supports role of a putative cell surface receptor in UV-< /b> B signal pathway ... pretreatments of the cells The inhibitory effect of staurosporine on both MBPK and CDPK activities indicates a common mechanism of action of the inhibitor on these protein kinases, as both of them belong...
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DETOXIFICATION OF TRICHLOROETHYLENE (TCE) USING SOLAR LIGHT/TiO2 IN A UV CONCENTRATING RADIATION SYSTEM
Ngày tải lên :
05/09/2013, 08:40
... examine the effect of dark reaction (the effect of adsorption of TCE on the TiO2 powder), as well as the photolysis of TCE by solar < /b> radiation only in the absence of TiO2 Figure showed the degradation ... respectively They were confirmed by comparison of mass spectra and retention time with the library standards The production of methyl esters form DCAA, and TCAA looks to be from the use of methanol ... reflective in the UV < /b> range (300-380 nm) and quartz tube was used for tube receiver because it has excellent UV < /b> stability and transmissivity Then, modules are connected in series and the water flow...
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Tài liệu Báo cáo Y học: The effects of ring-size analogs of the antimicrobial peptide gramicidin S on phospholipid bilayer model membranes and on the growth of Acholeplasma laidlawii B ppt
Ngày tải lên :
21/02/2014, 01:21
... magnitude of the new endotherm or endotherms induced by the addition of the peptide However, the magnitude of the effects of GS [9] and its three ring-size analogs on the thermotropic phase behavior of ... discussion of the thermotropic phase behavior of Myr2Gro-PGro and other members of the homologous series of linear saturated PGs, see Zhang et al [24] The addition of mol percent of one of the three ... with bacterial cells that the destruction of the integrity of the lipid bilayer of the inner membrane is the primary mode of antimicrobial action of this peptide [8] In support of this hypothesis,...
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Báo cáo khoa học: Mutual effects of proton and sodium chloride on oxygenation of liganded human hemoglobin Oxygen affinities of the a and b subunits potx
Ngày tải lên :
16/03/2014, 14:20
... probability of binding to 6116 Fig Correlations between the values of the association rate constant of BR (k¢) and the quantum yield of BR (c) The data for the a and b subunits within liganded ... the ligand-binding site of liganded hemoglobin The conformation of Val(E11) in the a and b subunits relative to the heme plane is quite dependent on the nature of the anions and the pD of the solution ... evaluate the mutual effects of pH (over the range of the alkaline Bohr effect) and NaCl on the individual oxygen binding properties of the a and b subunits within liganded tetrameric HbA In the current...
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Báo cáo khoa học: Prohibitin is expressed in pancreatic b-cells and protects against oxidative and proapoptotic effects of ethanol pdf
Ngày tải lên :
29/03/2014, 08:20
... exogenous PHB enters the cells PHB is expressed in b- cells and increased by ethanol To determine the expression of PHB in b- cells we first analyzed the PHB protein level by western blot and mRNA ... anti-PHB (A) A representative western blot of recombinant human PHB run in parallel with cell extracts The 30 kDa endogenous PHB band is seen below the His-tagged recombinant PHB (exogenous PHB) (B) ... 4B, C) A western blot of total cellular protein extracts using anti-PHB serum showed two bands in cells incubated with recombinant PHB, the top band corresponding to His-tagged PHB (Fig 5A) These...
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báo cáo hóa học: " Pro-inflammatory gene expression and neurotoxic effects of activated microglia are attenuated by absence of CCAAT/enhancer binding protein b" potx
Ngày tải lên :
19/06/2014, 22:20
... inhibitory C/EBPb isoforms is a common observation EMSA analysis with supershift experiments showed the presence of C/EBPb in bands I, II and III These bands may contain different C/EBPb isoforms ... cultures To study the role of C/EBPb in glial activation we used C/EBPb-null mice Because of the infertility of C/EBPbnull females and a perinatal death rate of approximately 50% for C/EBPb-null neonates, ... completely abolished by the absence of C/EBPb specifically in microglia This strongly supports a role of C/EBPb in the regulation of potentially neurotoxic effects of microglia and suggests that the...
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báo cáo hóa học:" Effects of alpha-calcitonin gene-related peptide on osteoprotegerin and receptor activator of nuclear factor-B ligand expression in MG-63 osteoblastlike cells exposed to polyethylene particles" doc
Ngày tải lên :
20/06/2014, 04:20
... should focus on the time course of AP and further osteoblast specific markers to better understand the reaction of osteoblasts on alphaCGRP A complex of other factors besides the analyzed OPG/ ... and leads to osteoclast activation On the other hand, OPG binds to RANKL and thereby inhibits osteoclast activation The osteoblast function can be described by alkaline phosphatase specific activity ... are often used as model for the osteoblastic phenotype because of their rapid growth and their homogeneity in the cell circle [36-40], but the OPG/RANKL/RANK system in vivo interacts between both...
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báo cáo hóa học:" Effects of alpha-calcitonin gene-related peptide on osteoprotegerin and receptor activator of nuclear factor-B ligand expression in MG-63 osteoblastlike cells exposed to polyethylene particles" pot
Ngày tải lên :
20/06/2014, 07:20
... should focus on the time course of AP and further osteoblast specific markers to better understand the reaction of osteoblasts on alphaCGRP A complex of other factors besides the analyzed OPG/ ... and leads to osteoclast activation On the other hand, OPG binds to RANKL and thereby inhibits osteoclast activation The osteoblast function can be described by alkaline phosphatase specific activity ... are often used as model for the osteoblastic phenotype because of their rapid growth and their homogeneity in the cell circle [36-40], but the OPG/RANKL/RANK system in vivo interacts between both...
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![Báo cáo hóa học: "Effects of Pin-up Oxygen on [60]Fullerene for Enhanced Antioxidant Activity" pptx](https://media.store123doc.com/images/document/2014_06/22/medium_blh1403374804.jpg)
Báo cáo hóa học: "Effects of Pin-up Oxygen on [60]Fullerene for Enhanced Antioxidant Activity" pptx
Ngày tải lên :
22/06/2014, 01:20
... spectrometer by comparison of the peak absorbance around 360 nm in water to that of pristine C60O in cyclohexane (Fig 2a) On the other hand, PVP/C60O and C60On have not been reported so far and this is the ... (Fig 2b) The b- carotene bleaching assay is one of the common methods used in the field of food chemistry for evaluating antioxidant activity The method is based on the discoloration of the yellowish ... Time / s Fig b- Carotene bleaching assay with linoleic peroxyl radical; (a) decay curves of absorbance at 460 nm (Abs460) and (b) plots of ln (Abs0/Abst) versus time in the presence of antioxidants...
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Báo cáo khoa học: "Influence of gestational age at exposure on the prenatal effects of gamma-radiation" pps
Ngày tải lên :
07/08/2014, 14:23
... of lumbar vertebrae Fusion of thoracic vertebrae Absence of ribs Fusion of ribs Bifurcation of ribs Shortening of ribs Displasia of sternebrae Missing of sternebrae Hypoplasia of sternebrae Curvature ... Deformity of occipital bone Splitting of cervical vertebrae Abnormal arrangement of cervical vertebrae Abnormal ossification of coccygeal vertebrae Fusion of lumbar vertebrae Abnormal arrangement of ... et al Table Observations on the 18th day of mouse fetuses exposed to Gy gamma -radiation on different gestation days Observations No of mother No of implants No of embryonic death No of fetal...
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Báo cáo khoa học: " Dose-Incidence Relationships on the Prenatal Effects of Gamma-Radiation in Mice" pdf
Ngày tải lên :
07/08/2014, 15:20
... Fusion of thoracic vertebrae Absence of ribs Fusion of ribs Wavy ribs Hypoplasia of ribs Displasia of sternebrae Missing of sternebrae Hypoplasia of sternebrae Curvature of tibia Absence of metatarsal ... growthretarded Body length was measured from the tip of the snout to the base of the tail The longitudinal distance from the tip of the snout to the base of the skull was recorded as head length The distance ... Fusion of cervical vertebrae Deformity of occipital bone Splitting of cervical vertebrae Separating of cervical vertebrae Abnormal ossification of coccygeal vertebrae Fusion of lumbar vertebrae...
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Báo cáo khoa học: " Modulatory effects of chitosan adipate on the T and B lymphocyte subsets in mice" pps
Ngày tải lên :
07/08/2014, 18:21
... detaler eb ot demuserp si noitatcal ylrae gnirud ytirap desaercni dna erocs noitidnoc ydob neewteb noitalerroc esrevni ehT ]63,91[ srehto yb detroper neeb sah sa ,ytirap yb detavargga eb ot dnuof saw ... remraf eht ro/dna nairaniretev a yb devresbo sngis lacinilc yb desongaid erew )sisotek ro ,revef klim ,tnemecalpsid lasamoba( sredrosid cilobateM ]52,5[ h 42> rof enarbmem latef eht fo noitneter eht ... gniwollof eht fo ecneserp eht yb desongaid saw revef kliM yregrus yb detcerroc erew sesac lla dna ,nairaniretev a yb noitatlucsua lanimodba nopu dnuos gnignip a yb desongaid saw tnemecalpsid lasamobA...
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Báo cáo khoa học: "The Akt-inhibitor Erufosine induces apoptotic cell death in prostate cancer cells and increases the short term effects of ionizing radiation" pot
Ngày tải lên :
09/08/2014, 09:20
... performed The absorption correlates with the number of viable cells and was normalized to that of untreated controls PC3 (A) and DU145 (B) were not affected by ionising radiation whereas the number of ... experiments CB contributed to the design of the study VJ performed conception and design of the study and substantially contributed to interpretation of data, drafting and critical revision of the manuscript ... (B) No caspase-3 activation and PARP cleavage was observed in response to ionizing radiation No change of protein levels of the pro-apoptotic Bak and Bax and the anti-apoptotic Bcl-xL was observed...
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Báo cáo khoa học: "Effects of radiation therapy on tissue and serum concentrations of tumour associated trypsin inhibitor and their prognostic significance in rectal cancer patients" doc
Ngày tải lên :
09/08/2014, 09:21
... collection of tissue samples and data AB participated in the conception of the study, BN assisted with the TMA construction and revision of the manuscript, UHS participated in revision of the manuscript, ... to adjuvant chemotherapy and there was no difference in the distribution of clinicopathological characteristics in patients receiving RT and untreated patients, decreasing the probability of a ... manuscript, BJ participated in the conception and design of the study, LBJ participated in the collection of tissue samples, data and revised the manuscript, KJ participated in the conception and design...
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Báo cáo y học: "Short- and long-term effects of anti-CD20 treatment on B cell ontogeny in bone marrow of patients with rheumatoid arthritis" ppsx
Ngày tải lên :
09/08/2014, 14:22
... Collection of blood and BM samples Heparinized blood and BM aspirates of a volume of 10 ml each were obtained at baseline (n = 37) Blood and BM sampling was repeated one month (weeks to 6; n = 10) and ... rituximab-treated patients as compared with rituximab-naïve The absolute numbers of B cells in the rituximab-treated and rituximab-naïve patients are shown in Table The accumulation of immature subset ... increase of immature (CD27-IgD) B cells (P = 0.01) The absolute numbers of B cells in the rituximab-treated and tituximab-naïve patients are shown in Table No correlation was found between the time...
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Báo cáo y học: "Anti-inflammatory and arthritic effects of thiacremonone, a novel sulfurcompound isolated from garlic via inhibition of NF-κB" pptx
Ngày tải lên :
09/08/2014, 14:22
... Abolition of the inhibitory effect of thiacremonone by DTT and glutathione GSH, and in the cells harboring mutant p50 on NO generation and DNA binding activation of NF- B binding activation of ... inhibition of the expression of iNOS and COX-2 (Figure 3b) as well as the activation of NF- B DNA-binding activity (Figure 3c) accompanied by an inhibition of p50 and p65 nuclear translocation and ... consideration the supershift of the DNA-binding activities of NF- B upon addition of anti-p50 antibody, and the suppressive effect of DTT and glutathione on thiacremononeinduced inhibition of DNA-binding...
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Báo cáo y học: "Chemokine receptor expression and functional effects of chemokines on B cells: implication in the pathogenesis of rheumatoid arthritis" ppt
Ngày tải lên :
09/08/2014, 14:22
... expressed by unstimulated peripheral B cells of both normals and subjects with RA, and CXCL12 enhanced the expression of ICOSL on both normal and RA B cells In contrast, the effect of CCL20, CCL19 and ... the effects of the chemokines on the expression of the cell surface molecules ICOSL, BAFF-R and TACI by peripheral blood B cells of normal donors and sub- Page of 11 (page number not for citation ... interaction between CCR5 and the ligand chemokines could contribute to the accumulation of CD27+ B cells in the synovium Alternatively, because the migration of Page of 11 (page number not for...
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