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Modélisation des Échanges
d'Alcool entre Salive et Sang
            (étude préliminaire)



     ABOU RABII. I, VINCENT. F,
     BACONNIER. P, BESSARD. G

           Laboratoire TIMC-IMAG
      Université Joseph Fourier Grenoble I
          Laboratoire Pharmacologie
                CHU Grenoble.
Le modèle
                      Dose absorbée

                      %S              100-%S



  Secteur salivaire                        Tube digestif



          K2               Sang                 K1


                            K3


                       Elimination
                       Métab olisme
Le modèle



dG(t)
       Q1* (t) kgs * G(t) k bg * B(t)
 dt
dS(t)                              vmax * S(t)
      k gs *G(t) (k0s ksb ) * S(t)
 dt                                 k m S(t)
dB(t)
        Q2 * (t)   ksb * S(t) kbg * (t)
 dt
Résultats (II): contamination
                   8

                   7            Dé gl uti tio n       Co ntamin atio n


                   6

                   5
  [Alcool] (g/l)




                   4

                   3

                   2

                   1

                   0
                       0   60               12 0   18 0              24 0
                                   Te mps (min)
Résultats (III): effets du rinçage
                         prise sans rejet                               avec rejet
                                                                                           8
                  8
                                                       Sa ns rin çag e

                                                       Avec rin çag e

                  6                                                                        6
 [Alcool] (g/l)




                                                                          [Alcool] (g/l)
                  4                                                                        4




                  2                                                                        2




                  0
                                                                                           0
                      0     60        12 0      18 0           24 0                            0                  60
                                 Te mps (min)                                                      Te mps (min)
Résultats (IV): paramètres
                                                                    Secteur              Tube
                                                                    salivaire          digestif

                                                                                Sang
                                                                     KS_B                 KTD_S

                                                                                 KEL
          KTD_S (min   -1 )   KS_ B (min   -1 )   KEL (min   -1 )




PB (#1)      0.015               0.010              0.038


 CAT         0.011               0.016              0.082
 (#2)


 VIN         0.012               0.023              0.128
 (#3)
Résultats (V): simulation
                                       2                Données exp érimentales
 Concentration salivaire (g/litre)

                                                        Modélisation

                                     1,5


                                       1


                                     0,5


                                       0
                                           0   50         100         150         200

                                                    Temps (minutes)
Dispositif QED
imprégnation         insertion dans le
du coton-tige        corps du test




          lecture
          du
          résultat

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Dea project

  • 1. Modélisation des Échanges d'Alcool entre Salive et Sang (étude préliminaire) ABOU RABII. I, VINCENT. F, BACONNIER. P, BESSARD. G Laboratoire TIMC-IMAG Université Joseph Fourier Grenoble I Laboratoire Pharmacologie CHU Grenoble.
  • 2. Le modèle Dose absorbée %S 100-%S Secteur salivaire Tube digestif K2 Sang K1 K3 Elimination Métab olisme
  • 3. Le modèle dG(t) Q1* (t) kgs * G(t) k bg * B(t) dt dS(t) vmax * S(t) k gs *G(t) (k0s ksb ) * S(t) dt k m S(t) dB(t) Q2 * (t) ksb * S(t) kbg * (t) dt
  • 4. Résultats (II): contamination 8 7 Dé gl uti tio n Co ntamin atio n 6 5 [Alcool] (g/l) 4 3 2 1 0 0 60 12 0 18 0 24 0 Te mps (min)
  • 5. Résultats (III): effets du rinçage  prise sans rejet avec rejet 8 8 Sa ns rin çag e Avec rin çag e 6 6 [Alcool] (g/l) [Alcool] (g/l) 4 4 2 2 0 0 0 60 12 0 18 0 24 0 0 60 Te mps (min) Te mps (min)
  • 6. Résultats (IV): paramètres Secteur Tube salivaire digestif Sang KS_B KTD_S KEL KTD_S (min -1 ) KS_ B (min -1 ) KEL (min -1 ) PB (#1) 0.015 0.010 0.038 CAT 0.011 0.016 0.082 (#2) VIN 0.012 0.023 0.128 (#3)
  • 7. Résultats (V): simulation 2 Données exp érimentales Concentration salivaire (g/litre) Modélisation 1,5 1 0,5 0 0 50 100 150 200 Temps (minutes)
  • 8. Dispositif QED imprégnation insertion dans le du coton-tige corps du test lecture du résultat