9.6.1 Short-term studies It has been postulated that acid particles may affect the functional state of AM by altering their intracellular pH. ###>9.6.1 Ã?tudes Ã court terme On a avancÃ© que les particules acides pouvaient affecter l'Ã©tat fonctionnel des MA en altÃ©rant leur pH intracellulaire.