Arsenic and membrane toxicity

... fluorescent intensity [a.u] With arsenic Without arsenic (control) Sự hấp thu calcein của tế bào tảo dưới tác dụng độc arsenic Sự hóa lỏng màng tế bào bởi độc tính của arsenic Chức năng bảo vệ của màng ... tố khác Arsenic tác động vào quá trình đồng hóa glucose. Các vò trí được đánh dấu Toxicology and Applied Pharmacology 197 (2004) 67– 83 Sự hấp thu arsenic bởi tế bào Tế bào...

Ngày tải lên: 17/12/2013, 12:23

... females and males was calculated to be 0.96 and 0.58 µg/L, respectively, while the highest NOLC for adult females and males was calculated to be 0.14 and 0.07 µg/L, respectively. Subchronic toxicity ... daphnids and fish) (Ahlers et al., 2006), although chemical substance, test organism (i.e. species, life stage), endpoint for acute and chronic toxicity tests and obta...

Ngày tải lên: 05/09/2013, 10:15

... attributed to bHofAla12 and NH o f Val15, and aH of P ro13 and NH o f Val15. 4732 S F. Cheng et al. (Eur. J. Biochem. 271) Ó FEBS 2004 Results CD experiments on IFP–wt and -F13 indicate helix enhancement ... condition and staining method followed the procedures given in Phast- System handbook (ref. no. 80-1312-29 and 80-1312-30, respectively). Compositions of the buffer s ystem in...

Ngày tải lên: 19/02/2014, 16:20

... enve- lope between 11 and 26 charges (m ⁄ z 4982–2108) was observed, and for hexamers and nonamers, complete envelopes between 20 and 35 charges (m ⁄ z 5480–3132) and between 28 and 37 charges (m ... 1.2 and 1.9 kV, and cone and RF lens potentials were 100 and 38 V, respectively. The pumping of the ESI interface region was restricted; backing pirani vacuum gauge from 1.8 t...

Ngày tải lên: 07/03/2014, 05:20

... hydrophobic, membrane- associated domain of about 500 amino acids, and a C-terminal, hydrophilic domain that contains about 315 amino acids. The membrane- associated domain has 12 transmembrane segments and ... Materials and methods and separated by SDS/PAGE. Membrane fractions for A–D and G were prepared using a detergent free, sodium carbonate-based procedure [11]. Membranes f...

Ngày tải lên: 08/03/2014, 16:20

... Trp50 and Trp153 are located in the C domain, in b-strand CB3 and just after strand CB7, respectively, according to the crystal structure of diph- theria toxin [16–18] (Fig. 1). Trp206 and Trp281 ... conformations, in solution, membrane- bound, and membrane- inserted, stabilizes partially unfolded states of the C domain. In doing so, the T domain favors membrane binding and mem-...

Ngày tải lên: 14/03/2014, 22:20

... are )3, 0, +3, and +5. The main inor- ganic forms of As in contaminated soils and sediments are +5 and +3 (Harper and Haswell, 1988) but some- times the oxidation states of )3 and 0 are expected ... states in aqueous and subsurface systems, namely )2, 0, +4, and +6. The fate and transport of Se in contaminated sites are very much influenced by its chemical form and speciation...

Ngày tải lên: 16/03/2014, 00:25

... P. Døskeland and T. Flatmark (Eur. J. Biochem. 269) Ó FEBS 2002 Ubiquitination of soluble and membrane- bound tyrosine hydroxylase and degradation of the soluble form Anne P. Døskeland and Torgeir ... & Coupland, R.E. (1989) Localisation of Chromo- granin A and B, met-enkephalin-arg 6 -gyl 7 -leu 8 and PGP9.5-like immunoreactivity in the developing and adult rat adrenal med...

Ngày tải lên: 17/03/2014, 17:20

... of a-synuclein aggrega- tion and cytotoxicity, and offer great potential for defining the underlying mechanisms of toxicity and synergistic actions of a-synuclein and protein tau. Abbreviations AD, ... Research Fund of K.U. Leuven to J.W. and F.V.L., and from the Institute for the Promotion of Innovation through Science and Technology (IWT- Vlaanderen) to F.V.L. and S.W. We a...

Ngày tải lên: 23/03/2014, 13:20

... contained the GTPase domain, and the RNA- and membrane- binding domain, respectively. We purified and analyzed these proteins for their GTP hydrolysis, and RNA- and membrane- binding activities. ... the RNA- and membrane- binding activities require the GTPase activity of Era, and whether the RNA- and membrane- binding domain is a self-sufficient functional entity, we constru...

Ngày tải lên: 31/03/2014, 07:20