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Èç¹ûÄúÓм´½«·¢±íµÄÑо¿¹¤×÷£¬Óë ¡±·ÖÎö»¯Ñ§¡° Ïà¹ØµÄ£¬±ÈÈç microfluidic, biosensor, single-molecule detection / imaging, ultra-sensitive detection, pathogen / bacterial, RNA£¬FRET£¬molecular beacon, LDR µÈµÈ£¬ ÄÜ·ñÓÑÇéÒýÓÃÒ»ÏÂÎҵŤ×÷ÄØ£¿ Èç¹ûÊÇ×ÛÊöÀàµÄÎÄÕ£¬±ÈÈç review, book chapter ¾ÍÌ«ºÃÁË£¬ÒòΪ²»ÊÜÆª·ùÏÞÖÆ£¬¿ÉÒÔÊʵ±Õ¹¿ªÌÖÂÛһϣ¬¶à˵¼¸¾ä¡£ÒýÓõÄʱºò£¬ÄÜ·ñ°ÑÎÒÏà¹ØµÄ¼¸ÆªÎÄÕ£¬°üÀ¨ paper, dissertation, conference paper£¬Ò»²¢·ÅÔÚ footnote ÀïÄØ£¿ Èç¹ûÄãûʱ¼ä¿´ÎÒµÄ paper£¬ÎÒ¿ÉÒÔ¸øÄãÌṩһ¸ö outline, ÈçÏ£º µ±È»£¬Èç¹ûÄú¸ÐÐËȤÎÒµÄÑо¿£¬ÄÇÊÇÔÙ»¶Ó²»¹ýÁË£¬»¶ÓÖ¸Õý£¡ ¿ÉÒÔ°´ÕÕÄã×Ô¼ºµÄÀí½â£¬¾¡Çé½øÐÐÕýÃæÆÀ¼Û¡£ Peng et al. discovered COC (cylic olefin copolymer) can be used in microfluidic chip for single fluorescence molecule detection due to its extremely low auto-fluorescence and superior optical properties (1) (2)(3)(4). Peng et al. first demonstrated that a LDR assay (combining molecular beacon construction and single-pair FRET readout) can be successfully run on this chip for pathogen detection £¨2£©(3), and mRNA expression analysis £¨2£©(4) at single-molecule resolution. Peng et al. designed an innovative molecular beacon probe that reshape itself into a closed loop to turn on the fluorescence signal whenever a target DNA or RNA sequence is captured (2)(3)(4). This strategy allows superior signal-to-noise ratio in single-molecule detection and the molecular beacon probe has been used to detect DNA and mRNA transcripts at ultra-low concentrations. Peng et al. designed a LDR assay coupled with spFRET readout to allow near real-time answer and the assay has been utilized to detection bacteria pathogen in as short as 2.6 min. (2)(3) The advantage of on-chip LDR is linear amplification of rare target DNA/RNA that enables near real-time result and un-biased quantification. This is very useful in low copy # mRNA detection £¨2)(4). In addition, Peng et al. designed a compact single molecule detection platform with integrated optical readout for bacterial analysis. This system is featured by FPGA and orthogonal optical fiber configuration on the chip to minimize the footprint for device miniaturization (5)(6). Peng et al. improved and optimized the prism-based TIRF setup for multiple color single molecule imaging with improved sensitivity and signal-to-background ratio (7). Here is the Reference: (1) https://www.researchgate.net/pub ... _DNA_Molecules_in_a _Thermoplastic_Microfluidic_Chip (downloadable) (2) https://etd.lsu.edu/docs/available/etd-04272012-032346/ (3) https://pubs.acs.org/doi/abs/10.1021/ac101843n (4) https://pubs.acs.org/doi/abs/10.1021/ac400729q (5) https://www.researchgate.net/pub ... _Molecular_Analysis (6) https://pubs.rsc.org/en/content/articlehtml/2012/an/c1an15658f (7) https://www.researchgate.net/pub ... ng_Prism-Based_TIRF ÈçÓоßÌåÎÊÌ⣬»¶ÓÀ´ e-mail ½»Á÷£¬ qyunpeng@hotmail.com Íò·Ö¸Ðл £¡ [ Last edited by chenripp on 2015-12-8 at 05:27 ] |
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changh
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