References
- Abbott N. J., Romero I. A. Transporting therapeutics across the blood‐brain barrier. Mol Med Today March, 1996; 106–13
- Alyautdin R., Gothier D., Petrov V., et al. Analgesic activity of the hexapeptide dalargin adsorbed on the surface of polysorbate 80‐coated poly(butyl cyanoacrylate) nanoparticles. Eur J Pharm Biopharm. 1995; 41: 44–48
- Alyautdin R. N., Petrov V. E., Langer K., et al. Delivery of loperamide across the blood‐brain‐barrier with polysorbate 80‐coated polybutylcyanoacrylate nanoparticles. Pharm Res. 1997; 14: 325–28
- Alyautdin R. N., Tezikov E. B., Ramge P., et al. Significant entry of tubocurarine into the brain of rats by adsorption to polysorbate 80‐coated polybutylcyanoacrylate nanoparticles: an in vivo brain perfusion study. J Microencapsulation 1998; 15: 67–74
- Castellano C., Puglisi‐Allegra S., Renzi P., et al. Genetic differences in daily rhythms of pain sensitivity in mice. Pharmacol Biochem Behav. 1985; 23: 91–92
- D'Amour F. E., Smith D. L. A method for determining loss of pain sensation. J Pharmacol Exp Ther. 1941; 72: 74–79
- Endo Y., Jinnai K., Endo M., et al. Diurnal variation of cerebral blood flow in rat hippocampus. Stroke 1990; 21: 1464–69
- Frederickson R. C. A., Burgis V., Edwards J. D. Hyperalgesia induced by naloxone follows diurnal rhythm in responsivity to painful stimuli. Science 1977; 198: 756–58
- Kerdelhue B., Palkovits M., Kartezi M., et al. Circadian variations in substance P, luliberin (LH‐RH) and thyroliberin (TRH) contents in hypothalamic and extrahypothalamic brain nuclei of adult male rats. Brain Res. 1981; 206: 405–12
- Kreuter J., Alyautdin R. N., Kharkevich D. A., et al. Passages of peptides through the blood‐brain barrier with colloidal polymer particles (nanoparticles). Brain Res. 1995; 674: 171–74
- Kurumaji A., Takahashi M., Ohi K., et al. Circadian fluctuations in pain responsiveness and brain met‐enkephalin‐like immunoreactivity in the rat. Pharmacol Biochem Behav. 1988; 29: 595–99
- Labrecque G., Karzazi M., Vanier M. ‐C. Biological rhythms in pain and analgesia. Physiology and pharmacology of biological rhythms. Handbook of experimental pharmacology, P. Redfern, B. Lemmer. Springer, Heidelberg 1997; Vol. 125: 619–49
- Labrecque G., Reinberg A. E. Chronopharmacology of nonsteroid anti‐inflammatory drugs. Chronopharmacology—cellular and biochemical interactions, B. Lemmer. Marcel Dekker, New York 1989; 545–79
- Maldonado R., Blendy J. A., Tzavara E., et al. Reduction of morphine abstinence in mice with a mutation in the gene encoding CREB. Science 1996; 273: 657–59
- Martinez‐Gomez M., Cruz Y., Sala M., et al. Assessing pain threshold in the rat—changes with estrus and time of day. Physiol Behav. 1994; 55: 651–57
- Mato M., Ookawara S., Tooyama K., et al. Chronobiological studies on the blood brain barrier. Experientia. 1981; 37: 1013–15
- Mattes A., Witte K., Hohmann W., et al. PHARMFIT—a nonlinear fitting program for pharmacology. Chronobiol Int. 1991; 8: 460–76
- Naber D., Wirz‐Justice A., Kafka M. S. Circadian rhythm in rat brain opiate receptor. Neurosci Lett. 1981; 21: 45–50
- Ramge P., von Briesen H., Oltrogge J. B., et al. Entry of polysorbate 80‐coated PBCA‐nanoparticles into cultured brain capillary endothelial cells. Proc 2nd World Meeting Pharmaceutics, Biopharmaceutics, Pharmaceutical Technol. 1998; 599–600
- Physiology and pharmacology of biological rhythms. Handbook of experimental pharmacology, P. Redfern, B. Lemmer. Springer, Heidelberg 1997; Vol. 125
- Schlosberg A. J., Harvey J. A. Diurnal changes in serotonin content of frontal lobe pole and pain sensitivity in the rat. Physiol Behav. 1978; 20: 117–20
- Schröder U., Sabel B. A. Nanoparticles, a drug carrier system to pass the blood‐brain barrier, permit central analgesic effects of i.v. dalargin injections. Brain Res. 1996; 710: 121–24
- Wesche L., Frederickson R. C. A. Diurnal differences in opioid peptide levels correlated with nociceptive sensitivity. Life Sci. 1979; 24: 1861–68
- Wesche L., Frederickson R. C. A. The role of the pituitary in the diurnal variation in tolerance to painful stimuli and brain enkephalin levels. Life Sci. 1981; 29: 2199–2205