quenching of singlet oxygen by carotenoids

... and fluorescence quenching is also an interesting topic In this paper, we studied the effect of gold colloids with different concentration on the fluorescence quenching of AFP By calculating the ... will be coated by a dielectric shell The thickness and dielectric constant of the shell are controlled by the concentration of AFP and gold colloid content In order to find the effect of the dielectric ... the SPR frequency of gold nanoparicle Especially, the fluorescence wavelength of the attached molecule is fixed, whereas the SPR frequency of coated gold nanosphere is tunable by the shell thickness...

Ngày tải lên: 21/06/2014, 17:20

... activation of nuclear genes by plastid signals Singlet oxygen produced in the chloroplast of the conditional fluorescent (flu) mutant was shown to stimulate the expression of a set of genes which ... prevented by the induction of these detoxification mechanisms This is supported by the negative correlation of 1O2 formation and deepoxidation Page of 13 of xanthophylls, where increased levels of zeaxanthin ... detection of 1O2 by SOSG Singlet oxygen production for each strain was determined by calculating the slope of the increase in background-corrected SOSG fluorescent signals during the 15 of exposure,...

Ngày tải lên: 11/08/2014, 11:21

... Production of singlet oxygen by eosinophils activated in vitro by C5a and leukotriene B4 FEBS Lett 453, 265268 Steinbeck, M.J., Khan, A.U & Karnovsky, M.J (1993) Extracellular production of singlet oxygen ... reductant by PD-10 chromatography, resulted in the loss of > 97% of Fig Formation of H2O2 and peptide and protein peroxides after photo-oxidation with 1O2 generated by rose bengal in the presence of ... stimulated by added Fe2+EDTA In contrast, rapid inhibition of GR by H2O2 was only observed in the presence of Fe2+EDTA (Table 1) LDH was not inhibited by the highest concentrations of peptide...

Ngày tải lên: 21/02/2014, 03:20

... species In vitro generation of reactive oxygen and nitrogen species by neutrophils in contact with PM2.5 A In vitro production of reactive oxygen and nitrogen species by neutrophils from healthy ... performed using the GraphPad Prism software (version 5.0 for Windows; GraphPad Software Inc., La Jolla, CA) Quantification of reactive oxygen species To measure the amount of free radicals generated, ... Susceptibility of Lipids to Oxidation Table also shows the in vitro formation of TBARS as a result of plasma lipoperoxidation by Fenton's reaction TBARS formation was expressed as mmol per L of plasma...

Ngày tải lên: 20/06/2014, 00:20

... followed by addition of 0.2 M Tris; (b) Time dependent change in the plasmid forms and (c) Binding of CuNPs with DNA shown by Stern-Volmer plot of DNA-EB in presence of different concentration of CuNPs ... the affinity of the interaction of DNA with CuNPs and the kinetics of DNA degradation by CuNPs, respectively This study demonstrates that CuNPs can induce singlet oxygen mediated DNA damage and ... Page of (a) (b) Figure Characterization of copper nanoparticles (a) UV-Vis spectrum of the CuNPs exhibiting a Mie scattering profile and (b) TEM images: left one (I) displays a TEM image of CuNPs...

Ngày tải lên: 11/08/2014, 00:23

... Assessment of regional tissue oxygenation Intensive Care Med 1999, 25:1044-1060 Niehoff K, Barnikol WK: A new measuring device for non-invasive determination of oxygen partial pressure and oxygen ... that oxygen is 10% less soluble in serum than in water [30], and thus recommended the use of concentration rather than tension as a unit of measurement for in vivo work The solubility of oxygen ... might allow more widespread use of tissue PO2 measurement, both as a marker of tissue integrity and an indicator of impending pathology In vivo studies of fluorescence quenching PO2 measurement under...

Ngày tải lên: 12/08/2014, 18:21

Ngày tải lên: 14/11/2014, 06:34

... the extent of tissue oxygenation (24) HBOT has been shown to improve the healing of hard and soft tissue wounds under hypoxic and normal conditions by stimulating angiogenesis and oxygenation ... explained by the basic tissue effects of HBOT and local characteristics of the bone grafts Collagen synthesis from fibroblasts and the formation of osteoid substance by osteoblasts are both oxygen- dependent ... of the fibrous tissue was replaced by the newly formed bone in the control group In β – TCP + HBOT group, there was some areas of residual graft particles surrounded mainly by a combination of...

Ngày tải lên: 25/10/2012, 11:15

Ngày tải lên: 18/08/2013, 04:10

... production of BOD5 by hydrolase and the consumption of BOD5 by active biomass Therefore, the rapid increase of BOD5 during the initial period was likely due to hydrolyzation of fragment of cell by enzyme ... treatment of high concentration of sludge; 2) investigation of optimal operating condition; 3) extent of improvement of lower molecular through hydrolysis; 4) estimation of the existence of biomass; ... definition of “solubilization” If biodegradability of samples is used as explanation of solubilization, the definition of this basic standard should be necessary From the view of the change of the...

Ngày tải lên: 05/09/2013, 08:40

... influence of these disturbances was found Some sampling points were selected They are the outlet of plant, the outside of experimental area, points of horizontal level and 0.5, 1.0, 1.5 m of vertical ... outlet of equipment Transparency[cm] 60 out of experimental area 50 40 30 20 10 10 15 20 25 30 35 40 45 50 Time[d] Figure Variation of Transparency Variation of COD concentration Variation of COD ... system, and the removal of nitrogen should be considered, too References [1] Department of Water Environment, Ministry of the Environment, Japan July 2002 Outline of Administration of Water Environment...

Ngày tải lên: 05/09/2013, 08:40

... minutes Fig Effect of backflush pressure on the flux, MLSS of 8700 mg/l, TMP of 0.4 bar, CFV of 0.88 m/s, backflushing pressure of 1.5 bar and backflushing interval of s Fig Effect of backflush interval ... MINUTES Fig Effect of TMP on the membrane flux, MLSS of 9300 mg/L, CVF (v) of 0.79 m/s, without backflush Fig Effect of CFV (v) on the membrane flux, MLSS of 9300 mg/L, TMP of 0.4 bar, without ... Effect of backflush interval on the flux, MLSS of 8700 mg/l, TMP of 0.4 bar, CFV of 0.88 m/s, backflushing pressure of 1.5 bar and backflushing interval of s Main experiments In the main experiments,...

Ngày tải lên: 05/09/2013, 09:08

... efficiency by digested sludge The potential of digested sludge on MO and RB4 tested by variation of dye concentration was shown by the different extent of decolorizing efficiency of the tested ... and presence of dye was associated with inhibition of organic matters conversion pathways caused by of the accumulation of volatile fatty acids in the treatment system In the case of temperature ... productivity were inhibited by the presence of MO which resulted in slow reduction of TOC, while the presence of RB4 inhibited methane productivity TOC reduction of treatment of RB4 was similar to...

Ngày tải lên: 05/09/2013, 09:38

... 27 17 23 18 Group 16 13 Group 24 Fig - Location of sampling points and grouping characterized by the water quality of groundwater - 22 - Journal of Water and Environment Technology, Vol 7, No ... that this area has enough capability of NO3-N removal In addition, low-permeable property of muddy soil might contribute to prolongation of retention time of groundwater, which results in promoting ... groundwater was determined by using ion exchange chromatography according to Japanese Standard Methods for Examination of Water (Japan Water Works, 2001) - 21 - Journal of Water and Environment...

Ngày tải lên: 05/09/2013, 09:38

... 10 L/day with 1,000 mg/L of biological oxygen demand (BOD), 50 mg/L of nitrogen and 25 mg/L of phosphorus The experiments were conducted at a sludge retention time (SRT) of 33 days and the hydraulic ... substances (EPS) of the mixed liquor were extracted by steam treatment at 105 oC for 30 minutes (Nakajima and Mishima, 2005) For the SMP

Ngày tải lên: 05/09/2013, 10:15

... were detected and quantified by two measurements at two sites In the Water Supply Law of Japan, 102 kinds of agricultural chemicals have been controlled by the total of their detection index DI ... i DI: detection index of water sample DIi: detection index of compound i DVi: detected concentration value of compound i [mg/L] GVi: goal value of water quality control of compound i [mg/L] In ... acute toxicity test from the viewpoint of long-term ecotoxicity These values of the concentration factors were established by statistically comparing the values of the data set for acute and chronic...

Ngày tải lên: 05/09/2013, 10:15

... concentrations of the two reactors The maximum nitrogen conversion rate of each reactor at the influent DO of about 0.2 mg/L was set to an anammox activity value of 1.0, and for the other concentrations of ... under operational condition of DO - mg/L In the case of the single reactor, some oxygen may reach the zone that anammox bacteria exist, even though oxygen is consumed by nitrifying bacteria because ... decreased by about 45% These results suggested that perhaps the boundary, where anammox activity is affected by influent DO, is around 2.5 mg/L There are few effects of DO in effluent of a nitritation...

Ngày tải lên: 05/09/2013, 10:17

... respectively which was prepared by adding 10 gram of molasses in 200 grams of inoculum for one set of bottles and gram of molasses in 200 grams inoculum for other set of bottles After inoculation, ... calculated by subtracting the amount of ash from the amount of TS [11] pH was measured by using a glass pH probe (Knick Portamess, 911 pH, Germany) while total nitrogen was determined by using ... Engineering at the University of Aarhus, Denmark He also has a number of years of experience to work as a Mechanical Engineer in Bangladesh and is a member of (Institute of Engineers’, Bangladesh)...

Ngày tải lên: 05/09/2013, 16:10

... improvement in the parameters of keen interest But, there has been a variation of the parameters over a range of values, for different thickness The tradeoff between the amount of light absorbed (least ... maximum power of the module, specific to the module rating and thickness The experimental results suggest a way to improve the performance of the module by cooling of the solar modules by silicone ... Examination for Energy Auditors held in 2006,conducted on behalf of The Bureau of Energy Efficiency, Ministry of Power, Government of India by National Productivity Council, Chennai ISSN 2076-2895 (Print),...

Ngày tải lên: 05/09/2013, 16:11

... BOOK OF CSS3 THE BOOK OF CSS3 A Developer's Guide to the Future of Web Design by Peter Gasston San Francisco THE BOOK OF CSS3 Copyright © 2011 by Peter Gasston All rights reserved No part of this ... mobile versions of their sites Media Queries are already being recognized and hailed by some of the leading lights of web development, and talks are being given about their use at all of the big web ... some of its more decorative features like rounded corners, but you want to gain a deeper understanding of the fundamentals The Book of CSS3 helps you leverage the excellent knowledge you have of...

Ngày tải lên: 20/09/2013, 09:09