Spectroscopic characteristics of YSGG:Cr,Ho, YSGG:Cr, Tm and YSGG:Cr,Tm,Ho

1990 ◽  
Vol 22 (S1) ◽  
pp. S133-S139 ◽  
Author(s):  
V. G. Ostroumov ◽  
I. A. Shcherbakov ◽  
E. V. Zharikov ◽  
Ch. Pfistner ◽  
P. Albers ◽  
...  
Keyword(s):  
Spectroscopic Characteristics

Structural, dielectric, electrical and modulus spectroscopic characteristics of CoFeCuO4 spinel ferrite nanoparticles

2021 ◽  
Vol 272 ◽  
pp. 115331
Author(s):  
M. Nasri ◽  
C. Henchiri ◽  
R. Dhahri ◽  
J. Khelifi ◽  
H. Rahmouni ◽  
...  
Keyword(s):  
Spinel Ferrite ◽  
Ferrite Nanoparticles ◽  
Spectroscopic Characteristics

Chemical and Spectroscopic Characteristics of the Wood ofVitis viniferaCv. Sangiovese Affected by Esca Disease

2009 ◽  
Vol 57 (24) ◽  
pp. 11469-11475 ◽  
Author(s):  
Diana Agrelli ◽  
Carmine Amalfitano ◽  
Pellegrino Conte ◽  
Laura Mugnai
Keyword(s):  
Esca Disease ◽  
Spectroscopic Characteristics

Spectroscopic characteristics of the R' color center aggregate in LiF

1984 ◽  
Vol 1 (2-3) ◽  
pp. 469-472 ◽  
Author(s):  
Carmen Ortiz ◽  
Carmen N. Afonso ◽  
Peter Pokrowsky ◽  
Gary C. Bjorklund
Keyword(s):  
Color Center ◽  
Spectroscopic Characteristics

scholarly journals Dissociation, unfolding and refolding trials of pig kidney 3,4-dihydroxyphenylalanine (dopa) decarboxylase

1993 ◽  
Vol 295 (2) ◽  
pp. 493-500 ◽  
Author(s):  
P Dominici ◽  
P S Moore ◽  
C Borri Voltattorni
Keyword(s):  
Conformational Changes ◽  
Dopa Decarboxylase ◽  
Experimental Conditions ◽  
High Tendency ◽  
Denatured Protein ◽  
Pig Kidney ◽  
Plausible Model ◽  
Spectroscopic Characteristics ◽  
Equilibrium Transition ◽  
Almost All

The effect of guanidinium chloride (GuCl) on enzyme activity, hydrodynamic volume, circular dichroism, and fluorescence of 3,4-dihydroxyphenylalanine (Dopa) decarboxylase from pig kidney (pkDDC) was studied under equilibrium conditions. Unfolding proceeds in at least three stages. The first transition, occurring between 0 and 1 M GuCl, gives rise to a dimeric inactive species which has lost pyridoxal 5′-phosphate (PLP), and has a high tendency to aggregate, but retains almost all of the native spectroscopic characteristics. The second equilibrium transition, between 1 and 2.2 M GuCl, involves dimer dissociation, with some loss of tertiary and secondary structure. Additionally, gross conformational changes at or near the PLP microenvironment were detected by fluorescence of NaBH4-reduced enzyme. The third step, presumably representing complete unfolding of pkDDC, appears to be complete at 4.5 M GuCl, as indicated by the lack of further substantial changes in any of the signals being studied. Attempts at refolding resulted in the findings that: (1) partial reactivation is observed only starting from enzyme denatured at concentrations below 1.5 M GuCl, and (2) starting from completely denatured protein, the refolding process is apparently reversible down to concentrations of approx. 2 M GuCl. Taken together, this would seem to indicate that the monomer-dimer transition is impaired under the experimental conditions tested. A plausible model is presented for the unfolding/refolding of pkDDC.

Spectroscopic characteristics of relaxing systems

1981 ◽  
Vol 86 (3) ◽  
pp. 194-198 ◽  
Author(s):  
A. Ranfagni ◽  
D. Mugnai ◽  
R. Englman
Keyword(s):  
Spectroscopic Characteristics
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