2,765 research outputs found

    Dynamic monitoring of forearm muscles using one-dimensional sonomyography system

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    2007-2008 > Academic research: refereed > Publication in refereed journalVersion of RecordPublishe

    Continuous monitoring of sonomyography, electromyography and torque generated by normal upper arm muscles during isometric contraction : sonomyography assessment for arm muscles

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    2007-2008 > Academic research: refereed > Publication in refereed journalVersion of RecordPublishe

    Assessment of muscle fatigue using sonomyography : muscle thickness change detected from ultrasound images

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    Author name used in this publication: J. ShiAuthor name used in this publication: Y. P. ZhengAuthor name used in this publication: X. ChenAuthor name used in this publication: Q. H. HuangAccepted ManuscriptPublishe

    A new adaptive interpolation algorithm for 3D ultrasound imaging with speckle reduction and edge preservation

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    Author name used in this publication: Qinghua HuangAuthor name used in this publication: Yongping ZhengAuthor name used in this publication: Minhua Lu2008-2009 > Academic research: refereed > Publication in refereed journalAccepted ManuscriptPublishe

    Improved keratinase production for feather degradation by Bacillus licheniformis ZJUEL31410 in submerged cultivation

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    Optimal medium was used to improve the production of keratinase by Bacillus licheniformis ZJUEL31410, which has a promising application in the transformation of feather into soluble protein. The results of single factor design revealed that the concentration of feather at 20 g/l and the initial pH at value 8 was the best for the production of keratinase and the degradation of feather. Ammonia salt and nitrate salt strongly restricted the production of keratinase and the degradation of feather. Result of Box-Behnken design (BBD) experiment which was used to optimize concentrations of glucose, corn steep flour and K2HPO4 for further improvement of keratinase productivity showed that the optimal medium was composed of glucose (20 g/l), corn steep flour (7.5 g/l), K2HPO4 (1 g/l) and feather (20 g/l). The result of submerged batch cultivation of B. licheniformis ZJUEL31410 in the 5 L fermentor indicated that the optimal medium had the highest keratinase and the degree of feather degradation (DFD) at 54.9 U/ml and 72.4%; both were 5 times more than the basal medium. The degradation of feather was verified by the analysis of scanning electron microscopy (SEM). This study provides a foundation for the production of keratinase and the conversion of feather to soluble protein through submerged fermentation process by B. licheniformis ZJUEL31410.Key words: Bacillus licheniformis ZJUEL31410, keratinase, culture medium, optimization, Box-Behnken design, scanning electron microscopy, feather degradation

    Sonomyography : monitoring morphological changes of forearm muscles in actions with the feasibility for the control of powered prosthesis

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    Author name used in this publication: Y. P. ZhengAuthor name used in this publication: M. M. Fa. ChanAuthor name used in this publication: J. ShiAuthor name used in this publication: X. ChenAuthor name used in this publication: Q. H. Huang2006-2007 > Academic research: refereed > Publication in refereed journalAccepted ManuscriptPublishe

    Synthesis of new dendritic chiral binol ligands and their applications in enantioselective lewis acid catalyzed addition of diethylzinc to aldehydes

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    2002-2003 > Academic research: refereed > Publication in refereed journalVersion of RecordPublishe

    Neumann-Hoffman Code Evasion and Stripping Method for BeiDou Software-defined Receiver

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    © 2016 The Royal Institute of Navigation. The acquisition and tracking strategies of the BeiDou navigation satellite signals are affected by the modulation of Neumann-Hoffman code (NH code), which increases the complexity of receiver baseband signal processing. Based on the analysis of probability statistics of the NH code, a special sequence of incoming signals is proposed to evade the bit transitions caused by the NH code, and an NH Code Evasion and Stripping method (NCES) based on the NH-pre-modulated code is proposed. The NCES can be applied in both 20-bit NH code and 10-bit NH code. The fine acquisition eliminates the impact of NH code on the traditional tracking loop. These methods were verified with a BeiDou PC-based software-defined receiver using the actual sampled signals. Compared with other acquisition schemes which try to determine or ignore the NH code phase, the NCES needs fewer incoming signals and the actual runtime is greatly reduced without sacrificing much time to search in the secondary code dimension, and the success rate of acquisition is effectively improved. An extension of Fast Fourier Transform (FFT)-based parallel code-phase search acquisition gives the NCES an advantage in engineering applications

    An optical coherence tomography (OCT)-based air jet indentation system for measuring the mechanical properties of soft tissues

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    2008-2009 > Academic research: refereed > Publication in refereed journalAccepted ManuscriptPublishe

    Ultrasound palpation sensor for tissue thickness and elasticity measurement - assessment of transverse carpal ligament

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    Author name used in this publication: Y. P. ZhengAuthor name used in this publication: A. P. C. ChoiAuthor name used in this publication: M. H. LuAuthor name used in this publication: X. ChenAuthor name used in this publication: Q. H. Huang2006-2007 > Academic research: refereed > Publication in refereed journalAccepted ManuscriptPublishe
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