Microencapsulation of paramagnetic particles by pyrroxylin to preserve their responsiveness to oxygen when used as sensors for in vivo EPR oximetry

Magnetic Resonance in Medicine

Volumn 42, Issue 1, 1999, Pages 193-196

  Gallez, Bernard ^a,b   Jordan, Bénédicte F ^a   Baudelet, Christine ^a  

^a UNIVERSITÉ CATHOLIQUE DE LOUVAIN   (Belgium)

^b Medicinal Chemistry and Radiopharmacy Unit   (Belgium)

Author keywords

Charcoal; In vivo EPR; Oxygen measurements; Responsiveness to oxygen

Indexed keywords

CELLULOSE; CHARCOAL; ELECTRON SPIN RESONANCE SPECTROSCOPY; HISTOLOGY; MAMMALS; OXYGEN SENSORS; PARAMAGNETIC MATERIALS; PARAMAGNETIC RESONANCE; PARAMAGNETISM; SENSITIVITY ANALYSIS; TISSUE;

IN-VIVO; MEASUREMENTS OF; OXYGEN MEASUREMENTS; OXYGEN SENSING PROPERTIES; OXYGEN SENSITIVITY; PARAMAGNETIC PARTICLES; PARTIAL PRESSURE OF OXYGEN; SENSITIVITY TO VARIATIONS;

OXYGEN;

CHARCOAL; OXYGEN; PYROXYLIN; SUPERPARAMAGNETIC IRON OXIDE;

ANIMAL EXPERIMENT; ANIMAL MODEL; ARTICLE; BIOSENSOR; CONTROLLED STUDY; ELECTRON SPIN RESONANCE; GASTROCNEMIUS MUSCLE; HYPOXIA; IN VIVO STUDY; MALE; MICROENCAPSULATION; MOUSE; NONHUMAN; OXIMETRY; OXYGEN TENSION;

EID: 0032765504     PISSN: 07403194     EISSN: None     Source Type: Journal    
DOI: 10.1002/(SICI)1522-2594(199907)42:1<193::AID-MRM25>3.0.CO;2-C     Document Type: Article

References (20)

1. Halpern HJ, Bowman MK. Low-frequency EPR spectrometers: MHz range. In: Eaton GR, Eaton S, Ohno K, editors. EPR imaging and in vivo EPR. Boca Raton, FL: CRC Press; 1991. p 45-63.
2. Berliner LJ, Koscielniak J. Low-frequency EPR spectrometers: L-band. In: Eaton GR, Eaton S, Ohno K, editors. EPR imaging and in vivo EPR. Boca Raton, FL: CRC Press; 1991. p 65-72.
3. Alecci M, Colacicchi S, Indovina PL, Momo F, Pavone P. Sotgiu A. Three-dimensional in vivo ESR imaging in rats. Magn Reson Imaging 1990;8:59-63.
4. Nilges MJ, Walczak T, Swartz HM. 1 GHz in vivo ESR spectrometer operating with a surface probe. Phys Med 1989;2:195-201.
5. Froncisz W, Oles T, Hyde JS. Murine L-band ESR loop-gap resonator. J Magn Reson Imaging 1989;82:109.
6. Swartz HM, Walczak T. An overview of considerations and approaches for developing in vivo EPR for clinical applications. Res Chem Intermed 1996;22:511-523.
7. Smith CM, Stevens AD. Reconstruction of images from radiofrequency electron paramagnetic resonance spectra. Br J Radiol 1994;67:1186-1195.
8. Liu KJ, Gast P, Moussavi M, Norby SW, Vahidi N, Walczak T, Wu M, Swartz HM. Lithium phthalocyanine: a probe for electron paramagnetic resonance oximetry in viable biological systems. Proc Natl Acad Sci USA 1993;90:5438-5442.
9. Vahidi N, Clarkson RB, Liu KJ, Norby SW, Wu M, Swartz HM. In vivo and in vitro EPR oximetry with fusinite: a new coal-derived, particulate EPR probe. Mag Reson Med 1994;31:139-146.
10. James PE, Grinberg OY, Goda F, Panz T, O'Hara JA, Swartz HM. Gloxy: an oxygen-sensitive coal for accurate measurement of low oxygen tensions in biological systems. Magn Reson Med 1997;38:48-58.
11. Boyer SJ, Clarkson RB. Electron paramagnetic resonance studies of an active carbon: the influence of preparation procedure on the oxygen response of the linewidth. Colloids Surfaces 1994;82:217.
12. Gallez B, Debuyst R, Dejehet F, Liu KJ, Walczak T, Goda F, Demeure R, Taper H, Swartz HM. Small particles of fusinite and carbohydrate chars coated with aqueous soluble polymers: preparation and applications for in vivo EPR oximetry. Magn Reson Med 1998;40:152-159.
13. Jordan B, Baudelet C, Gallez B. Carbon-centered radicals as oxygen sensors for in vivo Electron paramagnetic resonance: screening for an optima] probe among commercially available charcoals MAGMA 1998; 7:121-129.
14. Thies C. A survey of microencapsulation processes. In: Benita S, editor. Microencapsulation. New York: Marcel Dekker; 1996. p 1-19.
15. Chang TMS. Microcapsule artificial kidney: including updated preparative procedures and properties. Kidney Int 1976;10:218.
16. Tijssen J, Bantjes A, Van Doorn A, Feijen J, Van Dijck B, Van Donck C, Dijkhuis IC. A hemoperfusion column based on activated carbon granules coated with an ultrathin membrane of cellulose acetate. Artif Organs 1979;3:11-14.
17. Andrade J, Kunimoto K, Van Wagenen R, Kastigir B, Gough D, Kolff W. Coated adsorbents for direct blood perfusion: HEMA/activated carbon. Trans Am Soc Artif Intern Organs 1971;17:222.
18. Ozdural AR, Hameed J, Boluk M, Piskin E. Silicone coating of charcoal for hemoperfusion using plasma polymerization technique. Am Soc Artif Intern Organs 1980;3:116.
19. Morley D, Chang TMS. Effect of membrane thickness of collodion coated activated charcoal on adsorption of small and middle molecules. Biomater Artif Cells Artif Organs 1987;15:617-632.
20. Elkheshen S, Zia H, Needham TE, Badawy A, Luzzi LA. Coating charcoal with polyacrylate-polymethacrylate copolymer for haemoperfusion. I: Fabrication and evaluation. J Microencapsulation 1992;9: 41-51.