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Facile preparation of superhydrophobic thin films using non-aligned carbon nanotubes
Goh, Yee-Miin,Han, Kok Deng,Tan, Lling-Lling,Chai, Siang-Piao Techno-Press 2014 Advances in nano research Vol.2 No.4
A simple preparation method on creating superhydrophobic surface using non-aligned carbon nanotubes (CNTs) was demonstrated. Superhydrophobic CNT thin films were prepared by doping a sonicated mixture of CNTs and chloroform onto a glass slide. Water contact angles of the CNT thin films were measured using a contact angle goniometer. The thin films were characterized using laser microscope and scanning electron microscope. Experimental results revealed that the highest average contact angle of $162{\pm}2^{\circ}$ was achieved when the films' thickness was $1.628{\mu}m$. The superhydrophobic surface was stable as the contact angle only receded from $162{\pm}2$ to $157{\pm}2^{\circ}$ after 10 min under normal atmospheric condition.
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Shufeng Zhou,Yihuai Gao,Wenbo Tang,Xihu Dai,He Gao,Guoliang Chen,Jinxian Ye,Eli Chan,Hwee Lling Koh,Xiaotian Li 한국식품영양과학회 2005 Journal of medicinal food Vol.8 No.2
Preclinical studies have established that the polysaccharide fractions of Ganoderma lucidumhave potential an-titumor activity. Recent clinical studies have demonstrated that G. lucidumpolysaccharides enhance host immune functions[e.g., enhanced natural killer (NK) cell activity] in patients with advanced solid tumors, although an objective response wasnot observed. This open-label study aimed to evaluate the effects of water-soluble G. lucidumpolysaccharides (Ganopoly??,Encore International Corp., Auckland, New Zealand) on immune functions in patients with advanced lung cancer. Thirty-sixpatients were enrolled and treated with 5.4 g/day Ganopoly for 12 weeks. In the 30 cancer patients who completed the trial,treatment with Ganopoly did not significantly alter the mean mitogenic reactivity to phytohemagglutinin, mean counts of CD3,CD4, CD8, and CD56, mean plasma concentrations of interleukin (IL)-2, IL-6, and interferon (IFN)-., or NK activity in thepatients, but the results were significantly variable. However, some cancer patients demonstrated markedly modulated im-mune functions. The changes in IL-1 were correlated with those for IL-6, IFN-., CD3, CD8, and NK activity (P. .05), andIL-2 changes were correlated with those for IL-6, CD8, and NK activity. The results suggest that subgroups of cancer patientsmight be responsive to Ganopoly in combination with chemotherapy/radiotherapy. Further studies are needed to explore theefficacy and safety of Ganopoly used alone or in combination with chemotherapy/radiotherapy in lung cancer patients.
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