Photocatalytic bactericidal activity of silver-sensitized titanium dioxide on Micrococcus lylae

Ngày tải lên: 05/09/2013, 09:08

... degradation of semenogelins under these condi- tions, which allow the rapid separation by centrifugation of cellular components and gel-bound proteases. The ®nal step of puri®cation was HPLC fractionation ... order conditions, using a substrate concentra- tion far below the K m , as reported elsewhere [13]. Calcula- tions were done usin g ENZFITTER software (Biosoft). Excitation and emi...

Ngày tải lên: 24/03/2014, 00:21

Ngày tải lên: 05/09/2013, 08:40

Ngày tải lên: 18/09/2013, 21:27

... enhancement of activity of 21.9-fold over the concentration range 2.5–40 lm, strongly sug- gesting that the loss of activity at low concentration may be attributed to subunit dissociation. In contrast, ... concentration studied. Inspection of the gel filtration profile in Fig. 3 shows that the peak corre- sponding to the monomeric species is considerably broader, presumably due to a...

Ngày tải lên: 18/02/2014, 11:20

... charged state of Arg213 is crucial for activity. Substitution of Arg258 with Ala had no effect on activity, although substitution with Asp lowered activity 10-fold. Substitution of Arg134 prevented ... different effects on the activity of RTA. Whereas, one had no effect on the activity of the enzyme (R258A), others reduced activity by one (R213A, R258D, R48A) or by...

Ngày tải lên: 19/02/2014, 12:20

... ligands on the iron of Fe(porphyrin))13G1 0 complexes: (A) binding of H 2 O 2 on the iron of 13G10-(Fe(ToCPP), (B) bind ing of two CN ± ligands on the iron of 13G10-(Fe(ToCPP), (C) binding of H 2 O 2 and ... In¯uence of the addition of imidazole on the peroxidase activity of Fe(ToCPP), a,a-1,2- and -a,b-1,2-F e(DoCPP) and their complexes with 13G10. Variations of...

Ngày tải lên: 21/02/2014, 03:20

... value reflects the fraction of ice-bound AFPs on the flat ice plane. Indeed, TH increases in proportion with the total concentration of nfeAFP8, as can be seen in Fig. 3A. The fraction of AFPs on the flat ice ... experiment on TH (Fig. 4) as we fixed the con- centration of AFP at 0.1 mm. A plausible explanation for the time-dependence of TH is that nfeAFP8 under- goes ‘secondary’...

Ngày tải lên: 07/03/2014, 05:20

... exo-peptidase, amidation, glycosylation and sulfonation, etc. [1]. Among these modifications, the limited proteolysis of proproteins is a mechanism widely used to regulate the activation of peptides and proteins ... Authors Journal compilation ª 2006 FEBS 4461 Temporary inhibition and identification of the reactive site of the inhibitor The inhibitory activity of the three fragments...

Ngày tải lên: 16/03/2014, 13:20

... transcription. Modification of both sets of Ser/Thr residues is essential for full activation of IRF-3 In SAN cells, the transcriptional activity of essentially all Gal4-IRF-3 constructs where only one ... were only marginally inducible upon virus infection by themselves, and not inducible at all as Gal4 fusions. In conclusion, the results that mutation of either set of Ser/Thr r...

Ngày tải lên: 17/03/2014, 10:20