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Ethnopharmacol. 1992. Vol. 36. P. 81-85.

6. Kossouoh, C. Essential oil chemical composition of annona muricata L.

leaves from benin / C. Kossouoh, M. Moudachirou, V. Adjakidje et al. // J.

Essent. Oil Res. 2007. Vol. 19. P. 307-309.

7. Lans, C.A. Ethnomedicines used in Trinidad and Tobago for urinary problems and diabetes mellitus / C.A. Lans // J. Ethnobiol. Ethnomedicine. 2006. Vol. 2. P. 45-55.

8. Leboeuf, M. The phytochemistry of the annonaceae / M. Leboeuf, A. Cav, P.K. Bhaumik, B. Mukherjee, R. Mukherjee // Phytochem. 1982. Vol. 21. P. 2783-2813.

9. Roslida, A.H. Anti-inflammatory and anti-nociceptive activities of the ethanolic extract of annona muricata leaf / A.H. Roslida, C.E.Tay, A. Zuraini et al. // J. Nat. Remedies. 2010. Vol. 10. P. 97-104.

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10. Santos, A.F. Molluscicidal properties of some species of annona / A.F. Santos, A.E.G. SantAna // Phytomedicine. 2001. Vol. 8. P. 115-120.

11. Shaikh, P. Cytokines & their physiologic and pharmacologic functions in inflammation: A review / P. Shaikh // Int. J. of Pharm. & Life Sci. (IJPLS). 2011. Vol. 2. P. 1247-1263

12. Sundarrao, K. Preliminary screening of anti-bacterial and anti-tumor activities of papuan new guinean active medicinal plants / K. Sundarrao, I.

Burrows, M. Kuduk et al. // Pharmaceutical Biol. 1993. Vol. 31. P. 3-6.

13. Zeng L. Five new monotetrahydrofuran ring acetogenins from the leaves of annona muricata / L. Zeng, F.E. Wu, N.H. Oberlies, J.L. McLaughlin, S.

Sastrodihadjo // J. Nat. Prod. 1996. Vol. 59. P. 1035-1042.

   

THE EVALUATION OF THE PROPERTIES OF MOLECULAR

IMPRINTING POLYIMIDE TO DETERMINE THE OLEIC AND

PALMITIC ACIDS IN LIQUIDS BY PIEZOELECTRIC SENSORS

   

The method of production polymers with molecular imprinting of oleic and palmitic acids (MIPs) on the basis of polyimides PAA, RD, DFO is developed [1, 2].

Functional and elemental compositions of polymers were investigated by methods of IR-spectroscopy and electronic microscopy. It is established that the saturation of the polymer with fatty acid modifies the appearance of the spectrum. Subsequent removal of the template by extraction of a solvent causes the originating of molecular imprints in the polymer cavities, which are complementary to the template in size, shape and location of functional groups. By method of electronic microscopy we established, that when we had obtained polymers with molecular imprints used as templates - oleic and palmitic acids were almost completely washed out from MIPs membranes [3].

The surface morphology of molecular imprinting polymers, which are based on imidized polyamid acid with molecular imprints of oleic and palmitic acids, was studied by scanning force microscopy. A reorganization of the structure of polymers is occurring in the process of synthesis: reducing the number of meso - and macropores and the increase in the number of micropores. The lack of globules on the surface of the MIPs membranes indicates that the adsorbed templates entirely passed into the solution. The remaining single globules, probably are related to inhomogeneities in the structure of the polymer [4, 5].

The analysis of oleic and palmitic acids in model solutions is made by piezoelectric sensors, which are modified by a polymer of comparison (PCPAA), a polymer with molecular imprints (MIPPAA-Oleic) acid and a polymer with molecular imprints (MIPPAA-Palmitic) acid [6].

Linear calibration graphs with high determination coefficient are observed in MIP only on the basis of PAA. Low coefficients of determination III - : , .- 2015.- 158 .- ISBN 978-5-906217-80-6.

and low imprinting factors values are characterized for PD and DFO.

Comparing values of imprinting factor and selectivity coefficients of the obtained polymers showed, that high values are observed for sensors in the determination of the fatty acid, which was used as a template in the synthesis of MIP.

Developed piezoelectric sensors are tested in the analysis of sunflower oil, which is handicraft produced.

The correctness of the oleic and palmitic acids identification is tested by the method "introduced - found". The chromato-mass-spectrometry is used as a method of comparison. The difference between the results of the determination of acids by sensors based on PAA and by the method of chromato-mass-spectrometry does not exceed 10 %. An attempt was made to determine the fatty acid by piezosensors, which are based on PD and DFO, errors in definitions in this case were no more than 30%.

Thus, polymers with molecular imprints, which are based on imidized polyamide acid, are most preferred for determination of oleic and palmitic acids in solutions by using piezoelectric sensors, because they have greater efficiency in molecular recognition than polymers based on PD and DFO.

References

1. - : 137946 / .. [ .]; . - 2013144500/28, . 03.10.2013; .27.02.2014 . 6. - 6 .

2. - : 138636 / .. [ .]; . - 2013144501/28, . 03.10.2013; .20.03.2014 . 8. - 6 .

3. / .. [ .] // . .14. .1. .111-120.

2014.

4. / .. [ .] // . .13. .6. .884-890.

2013.

5. - - / .. [ .] // . -

   

- 1 (2). - . 114-118. 2013.

6. - / .. [ .] // . - 3 (42). . 147158.

   

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III - : , .- 2015.- 158 .- ISBN 978-5-906217-80-6.

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1-DAY ACUVUE

Sarah Isam Abbas, Mohammed Mustafa Taha, Klichkhanov K. Nisred

ANTI-INFLAMMATORY EFFECT OF ANNONA MURICATA L (SOURSOP)

FRUIT EXTRACT ON ADIPONECTIN AND IL-10 DURING ISCHEMIA

REPERFUSION INJURY

Krivonosova I.A., Duvanova O.V., Zyablov A.N., Sokolova S.A., Dyakonova O.V............ 152

THE EVALUATION OF THE PROPERTIES OF MOLECULAR IMPRINTING POLYIMIDE

TO DETERMINE THE OLEIC AND PALMITIC ACIDS IN LIQUIDS BY PIEZOELECTRIC

SENSORS

:

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20.04.15.

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6084 1/16. Times New Roman.

8.37. 65 . 143

   



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