scattering polarization and zeta potential

... effect and zeta potential at the flocculated-dispersed transition state 29 3.1 Zeta Potential 29 3.2 Yield Stress 36 3.3 Yield Stress – Zeta Potential Relationship and Critical Zeta 40 Potential ... stress and zeta potential techniques This silica has a point of zero charge at pH ∼2.0 All PEIs caused the zeta potential pH curve and the high pH zero zeta potential to shift to a higher pH and ... between yield stress and zeta potential squared for silica dispersions with PEI of Mw 600, 1800 and Mw 70000 at concentrations of 0.05 and 0.4dwb% The yield stress and zeta potential data were...

Ngày tải lên: 11/09/2015, 10:18

... membrane potential induced by D-glucose, thioglycosides I and VII and phlorizin As expected, the maximal effect was observed with D-glucose with FRET values of 5.62 and 2.29 for hSGLT1 and hSGLT2, ... thioglycosides I and VII (10

Ngày tải lên: 26/10/2012, 10:04

... (filer paper), BWX and PWSD The enzyme kinetic studies for cellulase and xylanase (Km and Vmax) were performed with 1-10 mg/ml of CMC and BWX, respectively [35] The crude cellulase and xylanase were ... albumin as standard [38] All experiments were run in duplicate and standard deviations (SD) were calculated using Microsoft Excel and results were presented as average ± SD Results and discussion ... degradation and conversion for sustainable production of bioenergy and highvalue products; enzyme production and catalysis, bioremediation and biorefineries Lew is the author of patents and over...

Ngày tải lên: 05/09/2013, 16:11

... Administration of potentially antiandrogenic pesticides (procymidone, linuron, iprodione, chlozolinate p,p’DDE, and ketoconazole) and toxic substances (dibutyl- and diethylhexyl phthalate, PCB 169, and ethane ... TDS-like effects of ECs and EC mixtures in animal studies, together with new understanding about when and how androgens regulate development of the male reproductive system and how this may relate ... fungicides (such as Vinclozolin, DDE and Procymidone) exert their antiandrogenic effects by binding to the AR – and then instead of activating it, sit there and block it and thus prevent activation of...

Ngày tải lên: 13/02/2014, 10:20

... Zapol and K J Falke 25 Gas Mixing and Distribution in the Lung, edited by L A Engel and M Paiva 26 High-Frequency Ventilation in Intensive Care and During Surgery, edited by G Carlon and W S Howland ... Roussos and P T Macklem 30 The Pleura in Health and Disease, edited by J Chrétien, J Bignon, and A Hirsch 31 Drug Therapy for Asthma: Research and Clinical Practice, edited by J W Jenne and S Murphy ... Exercise Medicine, edited by S C Wood and R C Roach 77 Endotoxin and the Lungs, edited by K L Brigham 78 The Mesothelial Cell and Mesothelioma, edited by M.-C Jaurand and J Bignon 79 Regulation of Breathing:...

Ngày tải lên: 14/02/2014, 17:20

... al., 1996; Da Ros and Prato, 1999; Tagmatarchis and Shinohara, 2001; Bosi et al., 2003; Nakamura and Isobe, 2003; Sarova et al., 2006; Bianco and Da Ros, 2007) 1.2 Cell Protection and Antioxidant ... fullerene and light, so the polymer was tested on mice affected by bone tumor After injection and irradiation, tumor size and weight were reduced and the mouse survival time was extended (Jiang and ... David L Carroll, and John H Stewart, IV 11 Visualization of Carbon Nanoparticles Within Cells and Implications for Toxicity 267 Alexandra Porter and Mhairi Gass...

Ngày tải lên: 17/02/2014, 05:20

... opportunities and their merits and limitation Moreover, the nature of gearing and potential effected of high gearing on perceived risk and cost of capital I-Analysis of the reasons behind takeovers and ... be applied to evaluated and rank potential investment opportunities and their relative merits and limitations In this report, I will give methods to evaluate and rank potential investment opportunities ... involved in takeovers and large companies tended to engage in higher gearing and this led to higher retention ratio and eventually higher growth is attained (international business and management)...

Ngày tải lên: 17/02/2014, 13:02

... endogenous and depend upon energy prices and economic activity driving energy demand and the choice of electricity generation capacity The feedback of final electricity demand on the demand for fuels and ... endogenous and depend upon energy prices and economic activity driving energy demand and the choice of electricity generation capacity The feedback of final electricity demand on the demand for fuels and ... business-to-business spending and how lease and bonus payments and royalties are spent by land owners and how this spending affects business activity Exploring, drilling, processing, and transporting natural...

Ngày tải lên: 08/03/2014, 06:20

... Moody's and Standard and Poor's in 1997–2002, shows that Moody's and Standard and Poor's both experienced failures during the Asian crisis; Standard and Poor's failed also during the Russian and ... those of Moody's and Standard and Poor’s for long-term debt, which vary between AAA and BBB for investment grade for Standard and Poor’s (Aaa-Baa3 for Moody’s) and between BB+ and CC for speculative ... interest; • Currency composition and maturity profile; and • Depth and breadth of local capital markets Offshore and contingent liabilities • Size and health of NFPEs; and • Robustness of financial...

Ngày tải lên: 15/03/2014, 07:20

... both a potential substrate and a potential E3 enzyme for its self-ubiquitination After the incubation, MBP–TRIM5a was solubilized and analyzed by western blotting, using antibodies to RH and to ... panel), and antibody to MBP to detect both nonubiquitinated and ubiquitinated MBP–TRIM5a (lower panel) The incomplete reaction mixture shown in lanes 2, and lacked RH–ubiquitin, E1 enzyme, and UbcH5B, ... antibody to MBP to detect both nonubiquitinated and ubiquitinated MBP–TRIM5a (lanes and 2), and antibody to RH to detect ubiquitinated MBP–TRIM5a (lanes and 4) HEK293T cells These results indicate...

Ngày tải lên: 16/03/2014, 06:20

... double-stranded cDNA, using both random hexamer and oligo-dT primers in independent experiments, randomly cloned, and 22 and 11 positive colonies, respectively, were sequenced Both UDE mRNA and 23S ... independent spectra in each case The terms Helix1, Helix2, Strand1 and Strand2 correspond to the two subcategories of helices and sheets (regular and distorted fractions) as dened in [9,71] On the bar ... secondary structural elements termed Helix1, Helix2, Strand1 and Strand2 correspond to the two subcategories of helices and sheets (regular and distorted fractions) as dened in [9] RNAUDE showed...

Ngày tải lên: 22/03/2014, 16:21

... Methylation Pattern: Erasure and Reestablishment Nina J Kossack, Renee A Reijo Pera, and Shawn L Chavez Germ Line Stem Cells and Adult Ovarian Function 57 Roger Gosden, Evelyn Telfer, and Malcolm Faddy ... Differentiation and Placental Morphogenesis 126 Maria Giakoumopoulos, Behzad Gerami-Naini, Leah M Siegfried, and Thaddeus G Golos 13 Reproductive Stem Cells of Embryonic Origin: Comparative Properties and Potential ... 226 ¨rn Bjo Heindryckx, Petra De Sutter, and Jan Gerris 21 Derivation and Banking of Human Embryonic Stem Cells for Potential Clinical Use 243 Ana Krtolica and Olga Genbacev Index 251 208 Contributors...

Ngày tải lên: 22/03/2014, 20:21

... compensation and disclosures, auditing operational efficiency and effectiveness, auditing or evaluating compliance with laws and regulations, and providing training and education to management and staff ... balance between risk and opportunity; to control risk and compliance cost; and to enhance planning and forecasting capabilities Our research also indicated that globalization and continued advances ... legal, regulatory, and standards-setting actions that have served to broaden the definition of fraud, expand antifraud responsibilities, and place greater emphasis on preventive and detective measures...

Ngày tải lên: 23/03/2014, 04:20

... for the expected cost of ZETA (ECZETA) EC ZETA = q1 ( M 12 / N ) C1 + q ( M 21 / N ) C11 , where M12, M21 = observed type I and type II errors (misses) respectively, and N1, N2 = number of observations ... sized distressed firms and is unquestionably relevant to both small and large firms Variable Selection After the initial groups are defined and firms selected, balance sheet and income statement ... of the model and in holdout sample testing Sample and Data Characteristics and Statistical Methodology Sample Characteristics Our two samples of firms consist of 53 bankrupt firms and a matched...

Ngày tải lên: 23/03/2014, 17:44

... wastewater standards improves, along with public awareness and civil society engagement on environmental issues, global companies have a growing need to effectively understand and mitigate potential ... development, and governance and accountability to guide global companies toward creating a just and sustainable world Visit www.bsr.org for more information BSR | Electronics Supply Networks and Water ... impacts on human and environmental health Because of the complexity and sheer size of electronics supply networks, a consumer brand or OEM’s knowledge of supplier activities and identities is...

Ngày tải lên: 29/03/2014, 21:20

... generated and tested for the first time the immunogenicity and protective efficacy of chimeric inactivated flu virus vaccines expressing 1-7 or 1-10 aa of Ab42 (flu-Ab1-7 and flu-Ab1-10) in mice and ... indicated doses of killed WSN-Ab1-10 and WSNWT viruses formulated in Quil A Lines and error bars indicate the average ± s.d (n = for groups immunized with and 25 μg and n = 16 for groups immunized ... after 2, and 4th immunizations with dual vaccine and WSN-WT are the same HI titers against WSN-WT (A) and WSN-Ab1-10 (B) were evaluated in sera of individual mice immunized after 2, 3, and immunizations...

Ngày tải lên: 18/06/2014, 22:20

... Staphylococcal capsules and slime pp 481-523 In Staphylococci and staphylococcal infections Easmon, C S G and Adlam, G (ed.), New York, Academic Press, 1983 Xu, S., Arbeit, R D and Lee, J C Phagocytic ... Japan) Purification of type-specific CP Type and CP were purified by the methods of Fournier et al [12, 13] and Karakawa et al [19] Nucleic acids and proteins were partially removed by fractionation ... NaCl (pH 7.2) for 48 h at 4oC and lyophilized The dialysate was suspended in PBS (20 mg/ml) and digested overnight at 37oC with 100 mg/ml of DNase, 100 mg/ml of RNase, and 100 mg/ml of lysostaphin...

Ngày tải lên: 07/08/2014, 14:23

... evidencing potential differences in thermostability and its acclimation potential in four Medi- terranean conifer species originating from contrasted areas with different altitudes and different ... over winter, and temperatures ranged between 25 and 32 °C during summer Seedlings were sampled for experiments during March and August A similar experiment was set up during 2000, and 12 potted ... sempervirens > P halepensis and P nigra) Not surprisingly, the two methods yielded different values for Tc and T15 (Fig and Tab 1): species means ranged from 41.2 to 44.3 °C for T15 and from 47.2 to 51.0...

Ngày tải lên: 08/08/2014, 01:22