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Depolymerization is, by definition, a crucial process in the reversible assembly of various biopolymers. It may also be an important factor in the pathology of sickle cell disease. If sickle hemoglobin fibers fail to depolymerize fully during passage through the lungs then they will reintroduce aggregates into the systemic circulation and eliminate or ...
Turner, Matthew S. +7 more
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Fiber Diffraction without Fibers
Postprocessing of diffraction patterns of completely randomly oriented helical particles, as measured, for example, in so-called "diffract-and-destroy" experiments with an x-ray free electron laser can yield "fiber diffraction" patterns expected of fibrous bundles of the particles. This will allow "single-axis alignment" to be performed computationally,
H-C, Poon +3 more
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Fused fiber couplers for fiber photometry
In this issue of Cell Reports Methods, Formozov et al. present an innovative fiber photometry system that uses a fused fiber coupler (FFC) instead of a dichroic mirror to split the excitation and emission light. The FFC-based photometry system is highly flexible and can be easily reconfigured to record from different biosensors.
Alex A, Legaria, Alexxai V, Kravitz
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Recent advances in fiber technology enable the fabrication of multi-core fibers tailored for various applications. Examples of multi-core fibers for ultra-high-density spatial division multiplexing in communications and for high temperature sensor applications will be presented.
Schülzgen, Axel +13 more
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Fiber Raman Amplifiers and Fiber Raman Lasers [PDF]
Stimulated Raman scattering (SRS) is a nonlinear optical effect, observed for the first time in 1962, which lies at the heart of fiber Raman amplifiers and fiber Raman lasers [...]
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繊維質とは,自然に放置しても分解されにくく,動物によっても消化されにくい成分のことを指す.本来,ヒトの消化酵素で消化されない繊維質は,生理的意義が低い非栄養素とされてきたが,難消化性の繊維質はヒトの健康維持に重要な役割を果たすことが次第に知られるようになった.食物繊維とは多糖類のひとつであるが,日本食品標準成分表2010では「ヒトの消化酵素で消化されない食品中の難消化性成分の総体」と定義されている.ヒトの炭水化物消化酵素であるアミラーゼは,デンプンを構成している糖分子のα結合を分解できるが,食物繊維を形成しているβ結合を分解する能力がない.従来,食物繊維はエネルギー源にならないと考えられていたが,実際は,消化されない食物繊維の一部が腸内細菌により発酵分解されて短鎖脂肪酸とガスになるため ...
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Holomorphic fiber bundles with hyperbolic fiber [PDF]
The purpose of the present note is to show that holomorphic fiber bundles with hyperbolic fiber are almost trivial: They are trivial if the base is simply connected, and have a simple structure otherwise.
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Dietary fiber came into its own more than two decades ago. Unlike other dietary fads, however, research has continued to bear out the fact that fiber plays an important role in health promotion.
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