[1] BLUSZTAJN J K. Choline, a vital amine[J]. Science, 1998, 281(5378):794-795. [2] ILCOL Y O, OZBEK R, HAMURTEKIN E, et al. Choline status in newborns, infants, children, breast-feeding women, breast-fed infants and human breast milk[J]. J Nutr Biochem, 2005, 16(8):489-499. [3] ARTEGOITIA V M, MIDDLETON J L, HARTE F M, et al. Choline and choline metabolite patterns and associations in blood and milk during lactation in dairy cows[J]. PloS one, 2014, 9(8):103412. [4] FISCHER L M, DACOSTA K A, KWOCK L, et al. Sex and menopausal status influence human dietary requirements for the nutrient choline[J]. Am J Clin Nutr, 2007, 85(5):1275-1285. [5] GLUNDE K, BHUJWALLA Z M, RONEN S M. Choline metabolism in malignant transformation[J]. Nat Rev Cancer, 2011, 11(12):835-848. [6] MAO J Z, JIANG L, JIANG B, et al. A selective NMR method for detecting choline containing compounds in liver tissue:The 1H-14N HSQC experiment[J]. J Am Chem Soc, 2010, 132(49):17349-17351. [7] MAO X A, LI N, MAO J Z, et al. Fast detection of choline-containing metabolites in liver using 2D 1H-14N three-bond correlation (HN3BC) spectroscopy[J]. J Magn Reson, 2012, 214(1):352-359. [8] MAO J Z, JIANG L, JIANG B, et al. 1H-14N HSQC detection of choline-containing compounds in solutions[J]. J Magn Reson, 2010, 206(1):157-160. [9] SCHANDA P, BRUTSCHER B. Very fast two-dimensional NMR spectroscopy for real-time investigation of dynamic events in proteins on the time scale of second[J]. J Am Chem Soc, 2005, 127(22):8014-8015. [10] SCHANDA P, KUPCE E, BRUTSCHER B. SOFAST-HMQC experiments for recording two-dimensional heteronuclear correlation spectra of proteins within a few seconds[J]. J Biomol NMR, 2005, 33(4):199-211. [11] SHAKA A J, KEELER J, FREEMAN R. Evaluation of a new broadband decoupling sequence:WALTZ-16[J]. J Magn Reson, 1983, 53(2):313-340. [12] LIU M L, MAO X A, YE C H, et al. Improved WATERGATE pulse sequences for solvent suppression in NMR spectroscopy[J]. J Magn Reson, 1998, 132(1):125-129. [13] EMSLEY L, BODENHAUSEN G. Optimization of shaped selective pulses for NMR using a quaternion description of their overall propagators[J]. J Magn Reson, 1992, 97(1):135-148. [14] MCCOY M A, MUELLER L. Selective shaped pulse decoupling in NMR:homonuclear[carbon-13] carbonyl decoupling[J]. J Am Chem Soc, 1992, 114(6):2108-2112. [15] GEEN H, FREEMAN R. Band-selective radiofrequency pulses[J]. J Magn Reson, 1991, 93(1):93-141. [16] KUPCE E, FREEMAN R. Wideband excitation with polychromatic pulses[J]. J Magn Reson, 1994, 108(2):268-273. [17] ERNST R R, BODENHAUSEN G, VERKOEYEN A著, 毛希安译. 一维和二维核磁共振原理[M]. 北京:科学出版社, 1997. |