2012
DOI: 10.1163/092050611x560942
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Ordered Collagen Membranes: Production and Characterization

Abstract: A collagen membrane with microscopic order is presented. The membranes were produced with acid-soluble collagen, using two different methods to obtain orientation. The product was characterized by mean of UV and IR spectra, scanning electronic microscopy, optical microscopy and laser diffractometry. The results clearly show a high level of order in the membranes obtained by both techniques. Permeability for rifamycin, ascorbic acid and NaCl was also measured. Due to the characteristics of the membranes, they h… Show more

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Cited by 4 publications
(9 citation statements)
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“…We measured the flux of NaCl across the membrane as a measure of its permeability at 37°C. We found that the permeability value of Col-V membrane was 2.16 × 10 −4 cm/sec, which represents an increase of about 40% compared to our previously described values for Col scaffold (1.47 × 10 −4 cm/sec [ 15 ]) ( Figure 2 ). We also evaluated the possible effect of VOAsc delivery on scaffold permeability.…”
Section: Resultssupporting
confidence: 48%
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“…We measured the flux of NaCl across the membrane as a measure of its permeability at 37°C. We found that the permeability value of Col-V membrane was 2.16 × 10 −4 cm/sec, which represents an increase of about 40% compared to our previously described values for Col scaffold (1.47 × 10 −4 cm/sec [ 15 ]) ( Figure 2 ). We also evaluated the possible effect of VOAsc delivery on scaffold permeability.…”
Section: Resultssupporting
confidence: 48%
“…Membranes were prepared using acid-soluble collagen extracted from bovine Achilles tendon. Ordered films were obtained according to standardized procedures of our laboratory [ 15 ]. Vanadyl(IV) ascorbate (VOAsc) was synthesized as we have previously described and characterized by UV-vis and infrared spectroscopy [ 17 , 19 ].…”
Section: Methodsmentioning
confidence: 99%
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