Three-dimensional imaging of crystalline inclusions embedded in intact maize stalks.
Three-dimensional imaging of crystalline inclusions embedded in intact maize stalks.
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DOI：
10.1038/srep02843
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发表时间：
2013-10-03
影响因子：
4.6
通讯作者：
Makowski, Lee
中科院分区：
文献类型：
--
作者：
Badger, John;Lal, Jyotsana;Harder, Ross;Inouye, Hideyo;Gleber, S. Charlotte;Vogt, Stefan;Robinson, Ian;Makowski, Lee
生物质中的矿物包裹体正受到越来越多的关注，因为它们对旨在为生产化学品和燃料提供可再生原料的加工方法有潜在影响。这些内含物通常被植物雕刻成所需的形状，以支持功能角色，包括特定元素的储存，加强植物结构，并提供对病原体和食草动物的防御。这些包裹体的原位表征面临着巨大的挑战，因为它们嵌入在不透明的复杂聚合物基质中。在这里，我们描述了使用布拉格相干衍射成像（BCDI）来研究完整玉米秸秆内的矿物包裹体。采集三维BCDI数据集，重建50-100 nm分辨率的矿物包裹体图像。布拉格峰周围强度分布的不对称性提供了这些晶体颗粒内部变形场的详细信息，揭示了导致不同内部晶体域的晶格缺陷。
Mineral inclusions in biomass are attracting increased scrutiny due to their potential impact on processing methods designed to provide renewable feedstocks for the production of chemicals and fuels. These inclusions are often sculpted by the plant into shapes required to support functional roles that include the storage of specific elements, strengthening of the plant structure, and providing a defense against pathogens and herbivores. In situ characterization of these inclusions faces substantial challenges since they are embedded in an opaque, complex polymeric matrix. Here we describe the use of Bragg coherent diffraction imaging (BCDI) to study mineral inclusions within intact maize stalks. Three-dimensional BCDI data sets were collected and used to reconstruct images of mineral inclusions at 50–100 nm resolution. Asymmetries in the intensity distributions around the Bragg peaks provided detailed information about the deformation fields within these crystal particles revealing lattice defects that result in distinct internal crystal domains.
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影响因子：
2.5
作者：
Aranda, Miguel A. G.;Berenguer, Felisa;Robinson, Ian K.
通讯作者：
Robinson, Ian K.
影响因子：
3
作者：
Pettersen, EF;Goddard, TD;Ferrin, TE
通讯作者：
Ferrin, TE
影响因子：
3
作者：
FREYWYSSLING, A
通讯作者：
FREYWYSSLING, A
影响因子：
8.6
作者：
Robinson, IK;Vartanyants, IA;Pitney, JA
通讯作者：
Pitney, JA
影响因子：
1.9
作者：
FIENUP, JR
通讯作者：
FIENUP, JR