11 research outputs found

    Solvothermal Synthesis of CoO, Co<sub>3</sub>O<sub>4</sub>, Ni(OH)<sub>2</sub> and Mg(OH)<sub>2</sub> Nanotubes

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    In this paper, CoO, Co3O4, Ni(OH)2, and Mg(OH)2 nanotubes were synthesized by solvothermal treatment of corresponding colloidal hydroxide. These nanotubes were characterized by powder X-ray diffraction (XRD), selected area electron diffraction (SAED), and transmission electron microscopy (TEM). According to the time-dependent morphology evolution, it is likely that the growth is governed by a solution−solid process. Advantages of this method include that it is a simple and general process without the need for a catalyst, surfactant, or template, which makes it low cost, and that the raw materials are readily available. On the basis of the above results, other metal hydroxides with layered structure are therefore potentially capable of forming nanotubes

    Collective stimulated Brillouin scattering modes of two crossing laser beams with shared ion acoustic wave

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    The overlapping of multiple beams is common in inertial confinement fusion (ICF), making the collective stimulated Brillouin scattering (SBS) with shared ion acoustic wave (IAW) potentially important because of the effectively larger laser intensities to drive the instability. In this work, based on a linear kinetic model, an exact analytic solution for the convective amplification of SBS with the shared IAW modes stimulated by two overlapped beams is presented. From this solution, effects of the wavelength difference, crossing angle, polarization states, and finite beam overlapping volume of the two laser beams on the shared IAW modes are studied. It is found that a wavelength difference of several nanometers between the laser beams has negligible effects, except for a very small crossing angle about one degree. However, the crossing angle, beam polarization states, and finite beam overlapping volume can have significant influences on the shared IAW modes. Furthermore, the out-of-plane modes, in which the wavevectors of daughter waves lie in the different planes from the two overlapped beams, are found to be important for certain polarization states and crossing angles of the laser beams with the finite beam overlapping volume. This work is helpful to comprehend and estimate the collective SBS with shared IAW in ICF experiments

    sj-jpg-1-imr-10.1177_03000605221105364 - Supplemental material for Detection of netrin-1 as a novel biomarker for diagnosis and chemotherapeutic monitoring of lung cancer

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    Supplemental material, sj-jpg-1-imr-10.1177_03000605221105364 for Detection of netrin-1 as a novel biomarker for diagnosis and chemotherapeutic monitoring of lung cancer by Yuanyuan Zhao, Jing Song, Xuejiao Ding, Yu Hao and Lihua Cao in Journal of International Medical Research</p

    sj-pdf-2-imr-10.1177_03000605221105364 - Supplemental material for Detection of netrin-1 as a novel biomarker for diagnosis and chemotherapeutic monitoring of lung cancer

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    Supplemental material, sj-pdf-2-imr-10.1177_03000605221105364 for Detection of netrin-1 as a novel biomarker for diagnosis and chemotherapeutic monitoring of lung cancer by Yuanyuan Zhao, Jing Song, Xuejiao Ding, Yu Hao and Lihua Cao in Journal of International Medical Research</p

    Synthesis and Characterization of Wavelength-Tunable, Water-Soluble, and Near-Infrared-Emitting CdHgTe Nanorods

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    Synthesis and Characterization of Wavelength-Tunable, Water-Soluble, and Near-Infrared-Emitting CdHgTe Nanorod

    A new triterpenoid and other constituents with cytotoxic activity from the roots of <i>Sanguisorba officinalis</i> L

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    Sanguisorba officinalis L. is a traditional herbal plant that belongs to the genus Sanguisorba and the family Rosaceae. A new ursane-type triterpenoid, 3-oxo-urs-11, 13(18)-dien-19, 28-olide (1), two known ursane-type triterpenoids (3 − 4) and three known oleanane-type triterpenoids (2, 5 − 6) were isolated from the roots of S. officinalis by silica gel column and MPLC. Their structures were identified by interpretation of spectroscopic data (1 D NMR, 2 D NMR, HR-ESI-MS) and comparison with those reported in the literature. Compound 2 was isolated from the Rosaceae family, compounds 3–5 were obtained from the genus Sanguisorba, and compound 6 was obtained from the S. officinalis for the first time. Additionally, all of the isolated compounds were evaluated for their cytotoxic activity against three human cancer cells. Compound 3 showed better cytotoxic activity against A549, HeLa, SK-Hep1 cells than the other compounds with IC50 values of 48.58 ± 1.88, 47.84 ± 2.01, 42.31 ± 2.43 μM, respectively.</p
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