نتایج جستجو برای: merrf
تعداد نتایج: 762 فیلتر نتایج به سال:
Previous experiments have shown that cats respond to noxious thermal pulse stimulation of the upper hind limb at an average latency of 2.3 sec. To determine if C fiber afferents could mediate this response, we recorded the response latency and threshold of single fibers of cat femoral cutaneous nerve to the same stimuli used in the behavioral experiments. Of 28 C fibers tested, 10 (36%) respond...
I am happy to answer some questions that were raised following my presentation. I was asked for the ranges in counts per grid opening of the control water and urine analyses which appeared in Table 2. For Everett residents the counts for the urine samples ranged from no fibers in 20 grid openings to 2.0 fibers per grid opening (FGO) and 0.15 to 1.5 FGO for the control waters. In Seattle-Bellevu...
Lightweight composites are preferred for automotive applications due to the weight restrictions and also due to the presence of inherent voids that can enhance the sound absorption of these composites. The density of the reinforcing materials plays a crucial role in such lightweight composites. Milkweed is a unique natural cellulose fiber that has a completely hollow center and low density (0.9...
Optical fibers are widely used as one of the main tools for transmitting not only classical but also quantum information. We propose and report an experimental realization of a promising method for creating robust bidirectional quantum communication links through paired optical polarization-maintaining fibers. Many limitations of existing protocols can be avoided with the proposed method. In pa...
Chalcogenide glasses are based on sulfur, selenium and tellurium elements, and have been studied for several decades regarding different applications. Among them, selenide glasses exhibit excellent infrared transmission in the 1 to 15 µm region. Due to their good thermo-mechanical properties, these glasses could be easily shaped into optical devices such as lenses and optical fibers. During the...
Effects of normal aging on myelin sheath ultrastructures in the somatic sensorimotor system of rats.
Previous studies have presented qualitative and quantitative data regarding the morphological changes that occur peripherally in myelin sheaths and nerve fibers of rats during their lifespan. However, studies on ultrastructural features of myelinated fibers (MFs) in the central nervous system (CNS) remain limited. In the present study, morphological analyses of the somatic sensorimotor MFs in r...
INTRODUCTION Dietary fibers help to control energy intake and reduce the risk of developing obesity. Recent studies show that the consumption of polydextrose reduces energy intake at a subsequent meal. In this systematic review and meta-analysis we examine the subsequent effects of polydextrose on different levels of energy intake (EI). METHOD The review followed the PRISMA methodology. Meta-...
Climbing fibers (CFs) are thought to contribute to cerebellar plasticity and learning by triggering a large influx of dendritic calcium in the postsynaptic Purkinje cell (PC) to signal the occurrence of an unexpected sensory event. However, CFs fire about once per second whether or not an event occurs, raising the question of how sensory-driven signals might be distinguished from a background o...
Nanocrystalline hydroxyapatite assembled hollow fibers (NHAHF) in the membrane form were fabricated by combining the electrospinning technique and the hydrothermal method. This novel hierarchical tubular structure of hydroxyapatite exhibited excellent protein loading capacity and long-term sustained release property.
The practical applications of perovskite hollow fibers (HFs) are limited by challenges in producing these easily, cheaply, and reliably. Here, a one-step thermal processing approach is reported for the efficient production of high performance perovskite HFs, with precise control over their cation stoichiometry. In contrast to traditional production methods, this approach directly uses earth-abu...
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