effects of artificially enhanced uv b radiation

Environmental Adaptations and Stress Tolerance of Plants in the Era of Climate Change pptx

Ngày tải lên : 14/03/2014, 10:20

... Pradesh, India Albena Ivanova Bulgarian Academy of Sciences, Institute of Plant Physiology, Acad G Bonchev str, BL 21 1113, Soﬁa, Bulgaria Md Abdul Kader Department of Agronomy, Bangladesh Agricultural ... Italy Abdul Wahid Department of Botany, University of Agriculture, Faisalabad 38040, Pakistan Haibo Xin Key Laboratory of Photosynthesis and Environmental Molecular Physiology, Institute of Botany, ... rise by another 3–9°C by the end of the century with far-reaching effects Increased drought and salinization of arable land are expected to have devastating global effects (Wang et al 200 3b) Abiotic...

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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

... 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 group had no cDNA) (B) Expression of b- ARs in ... and is inducible by radiation [16,17] It is reported that COX-2 inhibitors act as radiosensitizers in brain tumors [3] EGFR is a member of the ErbB family of receptors Its stimulation by endogenous ... carcinoma by aspirin Cancer 2005, 103:2485-2490 26 Takada Y, Kobayashi Y, Aggarwal BB: Evodiamine abolishes constitutive and inducible NF- B activation by inhibiting InBa kinase activation, thereby...

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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

... revealed radiation- independent drug effects and enabled assessment of the relationship of this variable to radiationdependent effects Conclusion Measurement of radiation responses over a wide range of ... 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 ... while 3AB significantly affected radiosensitivity parameters in CHO-K1 fibroblasts, any radiosensitising effects of NU1025 in V79-379A fibroblasts were rendered non-significant by the radiation- independent...

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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

... Activation of Myelin Basic Protein Kinase (MBPK) activity by UV- B irradiation in C roseus suspension cultured cells Figure Activation of Myelin Basic Protein Kinase (MBPK) activity by UV- B irradiation ... affected by UV- B irradiation in L peruvianum cells [15] Since UV- B irradiation of C roseus cells caused alkalinization of the medium, we investigated whether suramin could inhibit the UV- Binduced ... However, the UV- B- induced MBPK activity could not be completely inhibited by suramin To rule out the possibility that the inhibitory effects of suramin on responses triggered by UV- B are not due...

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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

... December 1999 07 December 1999 09 December 1999 10 December 1999 80 06 December 1999 07 December 1999 09 December 1999 10 December 1999 06 December 1999 (Cl-) 07 December 1999 (Cl-) 09 December ... TiO2 powder), as well as the photolysis of TCE by solar radiation only in the absence of TiO2 Figure showed the degradation ratio of TCE as the function of exposed time for the control experiments ... efficiency was found to be about 15%, and about 5ppm of chloride (10% of initial amount of chloride in TCE) was produced This result implicates that TCE undergoes photolysis, but not significantly...

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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

... lipid bilayer of bacterial membranes [18,19] Finally, we investigated the relative abilities of GS10, GS12 and GS14 to inhibit the growth of A laidlawii B, a cell wallless Gram-positive bacteria ... against both Gram-positive and Gram-negative bacteria than is GS10 [5] Perturbation of phospholipid thermotropic phase behavior by GS ring-size analogs We studied the effects of concentrations of ... state Permeabilization of phospholipid bilayers by GS ring-size analogs In order to determine the relative abilities of these three ringsize analogs of GS to permeabilize phospholipid bilayers,...

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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

... participation of the a subunit within HbA and the other with participation of the b subunit: hv ! ðaO2 ; bO2 ÞðaO2 ; bO2 Þ À ða; bO2 ÞðaO2 ; bO2 Þ þ O2 ka À ðaO2 ; bO2 ÞðaO2 ; bO2 Þ ! hv ð1Þ ðaO2 ; bO2 ... number of the absorbed light quanta It should be pointed out that the ratio of the number of the dissociated O2 molecules to that of the absorbed light quanta deﬁnes the primary quantum yield of ... are assigned to BR of the a and b subunits within HbA (Model 1) The quantum yield of these processes are deﬁned as ca (b) ¼ 2Æaa (b) Æc Here c, the quantum yield of BR for tetrameric HbA, is determined...

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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

... compilation ª 2009 FEBS J H Lee et al Effects of prohibitin in b- cells G1 A G2 G2E G2P G2EP His -PHB D His-PHB 30 kDa PHB G1 G2 G2E G2P G2EP PHB Histone H1 Actin PHB (arbitrary units) B E P < 0.05 1.4 ... MTT- FEBS Journal 277 (2010) 488–500 ª 2009 The Authors Journal compilation ª 2009 FEBS 495 Effects of prohibitin in b- cells siRNA Control siRNA PHB siRNA Control siRNA PHB B PHB Actin PHB PH B_ ... translocation of exogenous PHB to the mitochondria (Fig 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...

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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

... to a PCR tube with 10 μL of pre-washed protein Abeads Two micrograms of polyclonal rabbit C/EBPb antibody (Santa Cruz Biotechnology, sc-150X) or with μg of rabbit IgG (Santa Cruz Biotechnology, ... CCAAT/enhancer binding protein b (C/EBPb) is a candidate to regulate pro-inflammatory gene expression in glial activation C/EBPb is one of seven members of the C/ EBP subfamily of bZIP transcription ... error of the mean (SEM) Results Characterization of C/EBPb+/+ and C/EBPb-/- single embryo secondary mixed glial cultures To study the role of C/EBPb in glial activation we used C/EBPb-null mice Because...

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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

... presence of soluble RANKL and that this process is inhibited by OPG [20] We suggest that the discrepancy between RANKL and OPG mRNA expression of osteoblasts affected by UHMWPE particles is one of ... effect of time on RANKL mRNA expression in cell particle ratio of 1:500 inhibited by different concentrations of alpha-CGRP was not significant (p = 0.09) No significant differences of inhibition between ... regarding the influence of the neurotransmitter alpha-CGRP on bone metabolism have been controversial On the one hand, alpha-CGRP has been shown to be a physiological activator of bone formation [21]...

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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

... presence of soluble RANKL and that this process is inhibited by OPG [20] We suggest that the discrepancy between RANKL and OPG mRNA expression of osteoblasts affected by UHMWPE particles is one of ... effect of time on RANKL mRNA expression in cell particle ratio of 1:500 inhibited by different concentrations of alpha-CGRP was not significant (p = 0.09) No significant differences of inhibition between ... regarding the influence of the neurotransmitter alpha-CGRP on bone metabolism have been controversial On the one hand, alpha-CGRP has been shown to be a physiological activator of bone formation [21]...

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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

... E Niki, Arch Biochem Biophys 323, 137 (1995) doi:10.1006/abbi.1995.0019 19 H Takada, K Kokubo, K Matsubayashi, T Oshima, Biosci Biotechnol Biochem 70, 3088 (2006) doi:10.1271/bbb.60491 20 (a) ... 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 ... Fig Effects of antioxidant concentration on the observed pseudoﬁrst-order rate constants kobs of b- carotene bleaching with linoleic acid peroxyl radical at 50°C Values of kobs were obtained by...

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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 ... development of brain, skull and extremities 10 11 12 13 14 15 16 17 18 References Beir, V Health effects of exposure to low levels of ionizing radiation Biological effects of ionizing radiations...

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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 ... 1.13±0.05 b 0.80±0.05 48 b b 67(60.91) b 1.34±0.15 3.41±0.16 b 1.09±0.05 b 0.76±0.04 79.09 26.36 b 80(100) b 0.92±0.08 b 2.71±0.22 b 1.02±0.04 b 0.72±0.02 72.5 98.75 b b 60(100) b 0.62±0.11 b 2.50±0.24 ... 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

... 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 viable ... number of viable cells but does not provide information about the contribution of cytostatic or cytotoxic effects of the treatment under investigation Therefore, to gain insight into a combination ... regulation of Akt/PKB by the rictor-mTOR complex Science 2005, 307:1098-1101 Bozulic L, Surucu B, Hynx D, Hemmings BA: PKBalpha/Akt1 acts downstream of DNA-PK in the DNA double-strand break response...

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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

... death [3,4] Studies on the effects of RT on rectal tumour tissue have shown that tumour cells become swollen and that the stromal compartment acquires an abundance of fibroblasts, granulocytes and ... is a trypsin inhibitor that balances concentrations of trypsin and also functions as a weak inhibitor of other serine proteinases [10,11] In addition, TATI has been found to be involved in tissue ... independently twice by one observer (AG) For each case, a mean score from both cores was calculated, as well as, wherever possible, the best score [1] Immunofluorometric assay of s-TATI 0.144 M-stage...

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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

... Inc., Ashland, OR, USA) 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 ... are not affected by rituximab (Table 2) Page of 12 (page number not for citation purposes) Long-term effects of rituximab treatment To evaluate long-term effects of rituximab, we divided the ... 1a) The levels of total Ig levels as well as the circulating RF (Figure 2b) were similar between the rituximabnaïve and rituximab-treated groups Table Absolute numbers of B cells in bone marrow...

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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

... by Labworks 4.0 software (UVP Inc., Upland, CA, USA) The relative density of the DNA-protein binding bands was scanned by densitometry using MyImage (SLB, Seoul, Korea), and quantified by Labworks ... as by super shift assays In the presence of a p50 antibody, the DNA-binding activities of NF B showed a super shift However, in the presence of a p65 antibody, the DNA-binding activity of NF- B ... 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 activity of NF-κB...

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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

... synovial tissue B cells of RA (Figure 1b) The frequency of CD27+ by synovial B cells was significantly higher than that of peripheral blood B cells in RA subjects (Figure 2) (peripheral blood, 30.0 ... examined 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 ... the numbers of cells were assessed The percentage of migrated cells was calculated by dividing the number of migrated CD27- or CD27+ B cells by the number of total cultured CD27- or CD27+ B cells...

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