Advanced Materials

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Recently Published Articles

  1. Co9Se8 Nanoplates as a New Theranostic Platform for Photoacoustic/Magnetic Resonance Dual-Modal-Imaging-Guided Chemo-Photothermal Combination Therapy

    Xiao-Rong Song, Xiaoyong Wang, Shu-Xian Yu, Jianbo Cao, Shi-Hua Li, Juan Li, Gang Liu, Huang-Hao Yang and Xiaoyuan Chen

    Article first published online: 17 APR 2015 | DOI: 10.1002/adma.201405634

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    A new theranostic platform is developed based on biocompatible polyacrylic acid (PAA)-Co9Se8 nanoplates. PAA-Co9Se8 nanoplates are successfully utilized for photoacoustic imaging (PAI)/MRI dual-modal imaging. Moreover, the PAA-Co9Se8-DOX showed pH-responsive chemotherapy and enabled the combination of photothermal therapy and chemotherapy to receive superior antitumor efficacy. This work promises further exploration of the 2D nanoplatforms for theranostic applications.

  2. Microfluidic Printheads for Multimaterial 3D Printing of Viscoelastic Inks

    James O. Hardin, Thomas J. Ober, Alexander D. Valentine and Jennifer A. Lewis

    Article first published online: 17 APR 2015 | DOI: 10.1002/adma.201500222

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    Multimaterial 3D printing using microfluidic printheads specifically designed for seamless switching between two visco­elastic materials “on-the-fly” during fabrication is demonstrated. This approach opens new avenues for digital assembly of functional matter with controlled compositional and property gradients at the microscale.

  3. From “Smaller is Stronger” to “Size-Independent Strength Plateau”: Towards Measuring the Ideal Strength of Iron

    Wei-Zhong Han, Ling Huang, Shigenobu Ogata, Hajime Kimizuka, Zhao-Chun Yang, Christopher Weinberger, Qing-Jie Li, Bo-Yu Liu, Xi-Xiang Zhang, Ju Li, Evan Ma and Zhi-Wei Shan

    Article first published online: 17 APR 2015 | DOI: 10.1002/adma.201500377

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    The trend from “smaller is stronger” to “size-independent strength plateau” is observed in the compression of spherical iron nanoparticles. When the diameter of iron nanospheres is less than a critical value, the maximum contact pressure saturates at 10.7 GPa, corresponds to a local shear stress of ≈9.4 GPa, which is comparable to the theoretical shear strength of iron.

  4. Highly Transparent and Stretchable Field-Effect Transistor Sensors Using Graphene-Nanowire Hybrid Nanostructures

    Joohee Kim, Mi-Sun Lee, Sangbin Jeon, Minji Kim, Sungwon Kim, Kukjoo Kim, Franklin Bien, Sung You Hong and Jang-Ung Park

    Article first published online: 17 APR 2015 | DOI: 10.1002/adma.201500710

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    Transparent and stretchable electronics with remarkable bendability, conformability, and lightness are the key attributes for sensing or wearable devices. Transparent and stretchable field-effect transistor sensor using graphene-metal nanowire hybrid nanostructures have high mobility (≈3000 cm2 V−1 s−1) with low contact resistance, and they are transferrable onto a variety of substrates. The integration of these sensors for RLC circuits enables for wireless monitoring.

  5. Direct Observation of Reversible Magnesium Ion Intercalation into a Spinel Oxide Host

    Chunjoong Kim, Patrick J. Phillips, Baris Key, Tanghong Yi, Dennis Nordlund, Young-Sang Yu, Ryan D. Bayliss, Sang-Don Han, Meinan He, Zhengcheng Zhang, Anthony K. Burrell, Robert F. Klie and Jordi Cabana

    Article first published online: 17 APR 2015 | DOI: 10.1002/adma.201500083

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    Direct evidence of Mg2+ intercalation into a spinel-type Mn2O4 is provided. By com­bining tools with different sensitivities, from atomic resolution X-ray spectro­scopy to bulk X-ray diffraction, it is demonstrated that Mg2+ reversibly occupies the tetrahedral sites of the spinel structure through the reduction of Mn when the electrochemical reaction is performed.

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