Pomegranate-like SiOx/C microspheres demonstrate high specific capacity and outstanding cyclability (1024 mA h g−1 after 200 cycles) for lithium storage.
Nanosized zeolite
is widely used as seed for high quality zeolite
membranes fabrication, while its complicated synthesis routine limits
large-scale productions. In this work, a non-nanosized cubic hierarchically
porous TS-1 zeolite (HTS-1), obtained by basic hydrothermal treatment
of conventional ellipsoid solid TS-1, is used as seed to prepare highly
oriented thin membranes. A capillary condensation phenomenon resulting
from the unique hierarchically porous structure benefits gel attachment.
Moreover, abundant ledges, kinks, and terraces on the HTS-1 surface
promote epitaxial growth of the membrane. In contrast, the solid TS-1
seed induces intergrowth dominantly, which results in a thick TS-1
membrane. The HTS-1 membrane demonstrates superior CO2/N2 separation properties compared to the TS-1 one. It associates
with thin oriented membrane morphology, leading to exposure of a high
Miller index surface and less diffuse distance and tortuosity. The
results suggest beneficial effects of a hierarchically porous TS-1
zeolite seed on the interfacial crystal growth for membrane fabrication.
A similar conclusion is applicable to the case of a hierarchically
porous zeolite β. This work develops a facile approach to obtain
a highly oriented thin zeolite membrane with enhanced separation properties.
Curcumin (Cur) has the function of anti-inflammatory, antioxidant and other pharmacological effects. To further improve its solubility and stability, egg albumin/lysozyme (Alb/Ly) nano-complex was investigated for the first time to encapsulate and protect Cur. The interaction and morphology were studied by dynamic light scattering technique, scanning electron microscope (SEM), transmission electron microscope (TEM) and Fourier infrared spectrometer (FT-IR). The protective behavior of Cur induced by thermal environment was further explored. The results showed that the spherical Alb/Ly nano-complexes (118 nm-204 nm) spontaneously formed by one spot incubating via self-assembly. The encapsulation efficiency (EE) and loading capacity (LC) for the AL31 complex were 91.5±4.7% and 9.2±0.5 μg ml-1 as the initial Cur was 10 μg ml-1. The stability of curcumin loaded in AL21 nano-complex was improved 15% and 19% as disposed with 80oC treatment for 1min and 60oC treatment for 30 min. DPPH measurement further verified the protective behavior as encapsulated. The worth-while endeavor elucidated Alb/Ly complex was feasible to solubilize and protect Cur and has extensive potential in food with various purposes.
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