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1. The advances in research on the three dipeptide sweeteners: aspartame, alitame and neotame, prepared from amino acids, were introduced and their applications and market were also described.

2. The interaction between phenylalanine dipeptide (Phe-Phe) and calf thymus DNA (ct-DNA) was studied by using UV spectra and fluorescence spectra.

3. Carnosine is a kind of dipeptide in muscle. We pay much more attention on carnosine because of its high effect and low toxicity.

4. CONCLUSION:It is safe and effective to use alanyl-glutamine dipeptide via peripheral vein TPN in patients after gastrointestinal operation.

5. The interaction of leucine dipeptide with calf thymus DNA was studied by UV-visible spectroscopy, circulating voltammetry and viscosity measurement.

6. Conclusion Parenteral nutrition supplemented with glutamine dipeptide may affect T-lymphocyte subgroups and improve the immune function of severely burned patients.

7. The physicochemical properties of this dipeptide were identified with melting point determination, amino acid analysis, elements analysis and MS and its purity was determined with HPLC.

8. Isoprinosine, transfer factor and muramyl dipeptide(MDP) could promote animal immune function, and prolong the sleeping time of mice and rabbits.

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9. Aspartame : Synthetic organic compound ( a dipeptide ) of phenylalanine and aspartic acid.

10. Methods: Diester, diimide and dipeptide mimic compounds were synthesized by conjugated the amino groups and acid groups with diols or diacids links.

11. OBJECTIVE:To investigate the safety and efficacy of alanyl-glutamine dipeptide administered via peripheral vein total parenteral nutrition(TPN)in patients after gastrointestinal operation.

12. Results This dipeptide was confirmed good in quality by physico-chemical determination.

13. An intramolecular electron donor-acceptor system containing DL-proline dipeptide was prepared from DL-proline. Its structure was characterized by elemental analysis, MS and NMR spectrums .

14. Objective To explore the method of chemical synthesis of L-alanyl-L-glutamine dipeptide.

15. Objective To evaluate the effects of parenteral nutrition supplemented with glutamine dipeptide on T-lymphocyte subgroups in severely burned patients.

16. Based on the increment of diversity and covariant discriminant function, the protein subnuclear location was predicted by using of the amino acid compositions and N-terminal dipeptide compositions.

17. The smart liquid phase process of synthesizing serine-histidine cyclic dipeptide is simple, effective and practical and has wide application foreground in medicine designing and synthesizing field.

18. The invention relates to a preparation method of cyclic dipeptide, in particular to a preparation method of aspartic ammonia prolinase cyclic dipeptide.

19. Moreover, the stabilization of the complexes, especially the influence of the optical activity of dipeptide on the stabilization has been discussed.

20. Through statistical analysis for 27-class protein folds, it is found that compositions of position amino acid and of amino dipeptide can afford some information about protein folds.