scholarly journals An in-situ real time study of the perovskite film micro-structural evolution in a humid environment by using synchrotron based characterization technique

2017 ◽  
Vol 66 (1) ◽  
pp. 018401
Author(s):  
Yang Ying-Guo ◽  
Yin Guang-Zhi ◽  
Feng Shang-Lei ◽  
Li Meng ◽  
Ji Geng-Wu ◽  
...  
Keyword(s):  
Real Time ◽  
Structural Evolution ◽  
Time Study ◽  
Humid Environment ◽  
Characterization Technique

scholarly journals An in situ and real time study of the formation of CdSe NCs

Nanoscale ◽  
2020 ◽  
Vol 12 (45) ◽  
pp. 22928-22934
Author(s):  
Cristina Palencia ◽  
Robert Seher ◽  
Jan Krohn ◽  
Felix Thiel ◽  
Felix Lehmkühler ◽  
...  
Keyword(s):  
Real Time ◽  
Time Study

In situ studies are crucial to demonstrate that magic-size clusters are always intermediates in the formation of regular NCs.

Validation of a newly developed FTIR in situ reactor: Real time study of photocatalytic degradation of nitric oxide

2010 ◽  
Vol 53 (6) ◽  
pp. 469-473 ◽  
Author(s):  
Birger Hauchecorne ◽  
Tom Tytgat ◽  
Dieter Terrens ◽  
Floris Vanpachtenbeke ◽  
Silvia Lenaerts
Keyword(s):  
Nitric Oxide ◽  
Photocatalytic Degradation ◽  
Real Time ◽  
Time Study

In situ real-time study buckling behavior of boron nitride nanotubes with axial compression by TEM

2019 ◽  
Vol 30 (7) ◽  
pp. 1401-1404 ◽  
Author(s):  
Guoxin Chen ◽  
Huanming Lu ◽  
Junfeng Cui ◽  
Haitao Yu ◽  
Bo Wang ◽  
...  
Keyword(s):  
Boron Nitride ◽  
Real Time ◽  
Axial Compression ◽  
Boron Nitride Nanotubes ◽  
Time Study ◽  
Buckling Behavior

scholarly journals On the question of two-step nucleation in protein crystallization

2015 ◽  
Vol 179 ◽  
pp. 41-58 ◽  
Author(s):  
Andrea Sauter ◽  
Felix Roosen-Runge ◽  
Fajun Zhang ◽  
Gudrun Lotze ◽  
Artem Feoktystov ◽  
...  
Keyword(s):  
Real Time ◽  
Intermediate Phase ◽  
Early Stage ◽  
Protein Crystallization ◽  
Structural Evolution ◽  
Equation Model ◽  
Nucleation Mechanism ◽  
Crystal Nucleation ◽  
Time Study ◽  
Nucleation Kinetics

We report a real-time study on protein crystallization in the presence of multivalent salts using small angle X-ray scattering (SAXS) and optical microscopy, focusing particularly on the nucleation mechanism as well as on the role of the metastable intermediate phase (MIP). Using bovine beta-lactoglobulin as a model system in the presence of the divalent salt CdCl2, we have monitored the early stage of crystallization kinetics which demonstrates a two-step nucleation mechanism: protein aggregates form a MIP, which is followed by the nucleation of crystals within the MIP. Here we focus on characterizing and tuning the structure of the MIP using salt and the related effects on the two-step nucleation kinetics. The results suggest that increasing the salt concentration near the transition zonepseudo-c** enhances the energy barrier for both MIPs and crystal nucleation, leading to slow growth. The structural evolution of the MIP and its effect on subsequent nucleation is discussed based on the growth kinetics. The observed kinetics can be well described, using a rate-equation model based on a clear physical two-step picture. This real-time study not only provides evidence for a two-step nucleation process for protein crystallization, but also elucidates the role and the structural signature of the MIPs in the nonclassical process of protein crystallization.

In situ real‐time study of chemical etching process of Si(100) using light scattering

1996 ◽  
Vol 69 (2) ◽  
pp. 221-223 ◽  
Author(s):  
Y.‐P. Zhao ◽  
Y.‐J. Wu ◽  
H.‐N. Yang ◽  
G.‐C. Wang ◽  
T.‐M. Lu
Keyword(s):  
Light Scattering ◽  
Real Time ◽  
Chemical Etching ◽  
Etching Process ◽  
Time Study
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