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taob207(½ð±Ò+10,VIP+0): 6-3 19:01
taob207(½ð±Ò+10,VIP+0): 6-3 19:01
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ÒòÕë¶ÔÖÐÒ©É«Æ×Ö¸ÎÆÍ¼Æ×ÏàËÆÐÔ·ÖÎö¶øÌá³öµÄÆÀ¼ÛÖ¸±êÌåϵ¼°·½·¨²»Ò»¶¨ÊʺÏÖÐÒ©·ÇÏßÐÔµç»¯Ñ§Ö¸ÎÆÍ¼Æ×·ÖÎöµÄÎÊÌ⣬±¾ÎÄͨ¹ýÀíÂÛºÍʵÑéÑо¿µÃ³ö£º ¢Ù ·åÖØµþ·¨¼°ÆäÏà¹Ø¶à±ê×¼½áºÏ·¨²»ÊÊÓÃÓÚÖÐÒ©·ÇÏßÐÔµç»¯Ñ§Ö¸ÎÆÍ¼Æ×ÏàËÆ¶ÈÆÀ¼Û¡£ ¢Ú Ïà¹ØÏµÊý¡¢¼Ð½ÇÓàÏҵȷ½·¨¶Ô·ÇÏßÐÔµç»¯Ñ§Ö¸ÎÆÍ¼Æ×²ÎÊýµÄ²îÒì²»Ãô¸Ð£¬¹Ê²»ÒËÓÃÀ´·ÖÎöÖÐÒ©·ÇÏßÐÔµç»¯Ñ§Ö¸ÎÆÍ¼Æ×¡£ ¢Û Å·ÊϾàÀëÄÜÌåÏÖÑù±¾³É·Ö²îÒ죬Óë·ÇÏßÐÔµç»¯Ñ§Ö¸ÎÆÍ¼Æ×µÄÖ±¹Û²îÒìÎǺϽϺ㬵«ÓÐʱ²»ÄÜÕýÈ··´Ó³·ÇÏßÐÔµç»¯Ñ§Ö¸ÎÆÍ¼Æ×Ö®¼äÌØÕ÷²îÒìµÄ³Ì¶È¡£¹ÊÖ»ÄÜ×÷Ϊ·ÇÏßÐÔµç»¯Ñ§Ö¸ÎÆÍ¼Æ×ÏàËÆ¶È·ÖÎöµÄ¸¨Öú·½·¨¡£ In this paper theoretical and experimental studies about question that evaluation index system and method may not be suitable for the electrochemical fingerprint of Chinese non-linear analysis proposed from similarity of traditional Chinese medicine chromatographic fingerprint indicated: ¢Ù peak overlap and its related multi-standard method was not applicable to evaluate similarity of traditional Chinese medicine non-linear electrochemical fingerprint. ¢Ú The correlation coefficient and cosine angle methods were not appropriate to analyze non-linear electrochemical fingerprint of Chinese medicine due to its insensitivity to the differences of non-linear electrochemical fingerprinting parameters. ¢Û Euclidean distance could reflect the differences in sample composition and be in good agreement with the intuitive differences of non-linear electrochemical fingerprint, but sometimes it could not accurately reflect characteristic differences of the non-linear electrochemical fingerprint. So it could only be used as a auxiliary method for analysis of similarity of non-linear electrochemical fingerprint. |
2Â¥2009-06-01 15:08:24
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taob207(½ð±Ò+5,VIP+0): 6-3 19:01
taob207(½ð±Ò+5,VIP+0): 6-3 19:01
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¢Ü »ùÓÚÏàËÆÏµÍ³ÀíÂÛ·½·¨µÄÕûÌåÏàËÆ¶ÈÄÜÕýÈ·ÌåÏÖÑù±¾»¯Ñ§³É·Ö²îÒ죬ÓëÆä·ÇÏßÐÔµç»¯Ñ§Ö¸ÎÆÍ¼Æ×µÄÖ±¹Û²îÒì³Ì¶ÈÎǺÏ×îºÃ£¬·ûºÏÑù±¾Êµ¼Ê¹éÊôÇé¿ö£¬Äܶ¨Á¿±íÕ÷Ö¸ÎÆÍ¼Æ×Ö®¼äµÄÏàËÆ³Ì¶È¡£ ¢Ý ½«·ÇÏßÐÔµç»¯Ñ§Ö¸ÎÆÍ¼Æ×µÄÖ±¹ÛÌØÕ÷ÓëÕûÌåÏàËÆ¶È·ÖÎöÏà½áºÏ£¬ÌṩÁËÒ»ÖÖÀûÓøÃÖ¸ÎÆÍ¼Æ×ÄÜ׼ȷ¼ø±ðÖÐÒ©µÄȫз½·¨¡£ ¢Ü The overall similarity based on similar system theory could correctly reflect the difference of chemical constituents of the samples, be in best agreement with the degree of visual difference of non-linear electrochemical fingerprint, correspond to the actual ownership of the samples, characterize quantitatively the degree of similarity between . ¢Ý the combination between visual characteristics of non-linear electrochemical fingerprint and overall similarity analysis provided a new method to accurately identify Chinese medicine with use of the fingerprint. |
3Â¥2009-06-01 15:28:19
jiaql
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taob207(½ð±Ò+5,VIP+0): 6-3 19:01
taob207(½ð±Ò+5,VIP+0): 6-3 19:01
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¢Þ ÒԳɷֶ¨Á¿ÐÅÏ¢ÆÀ¼Û²»Í¬Ô´Í¬ÖÖÖÐÒ©ÖÊÁ¿Ê±£¬ÀûÓ÷ÇÏßÐÔµç»¯Ñ§Ö¸ÎÆÍ¼Æ×¼¼Êõ¿É»ñµÃÕûÌå³É·Ö¶¨Á¿ÐÅÏ¢²»Í¬µÄÖ¸ÎÆÍ¼Æ×£¬¶øÒÔͼÆ×ÏàËÆ¶È¼ø±ðÖÐÒ©ÕæÎ±Ê±£¬Ôò¿É»ñµÃ²»Í¬Ô´Í¬ÖÖÖÐÒ©Ïàͬ»òÏàËÆµÄÖ¸ÎÆÍ¼Æ×£¬ÕâÌåÏÖÁËÖÐÒ©·ÇÏßÐÔµç»¯Ñ§Ö¸ÎÆÍ¼Æ×µÄÒ»´óÓŵ㡣 ¢Þ According to quantitative information of components, the quality of different source but same kind of traditional Chinese medicine was evaluated to obtain fingerprint with different quantitative information of whole component based on non-linear electrochemical fingerprint technology but obtain the same or similar fingerprint of different source but same kind of traditional Chinese medicine based on spectra similarity for identification of authenticity of traditional Chinese medicine, which indicated one of the major advantages of traditional Chinese medicine non-linear electrochemical fingerprint. |
4Â¥2009-06-01 15:51:05














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