1995 (v1)
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1989 (v1)Publication
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2010 (v1)Publication
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1993 (v1)Publication
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1997 (v1)Publication
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1985 (v1)Publication
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1996 (v1)Publication
Atomic force microscopy was used to study the structures obtained by evaporating a drop of stearic acid dissolved in an organic solvent on a glass substrate. Bulk aggregates composed of molecular layers and flat dendritic shapes were found. According to the solvent used, two different crystalline lattices were observed and lattice symmetries...
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1995 (v1)Publication
The canal method has been employed to measure the in-plane steady shear viscosity of monolayers of bolaform lipids extracted from the membrane of the thermophilic microorganism Sulfolobus solfataricus. Monolayers were formed with the polar lipid extract (PLE), which is a mixture of several bolaform lipids, each one endowed with two...
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1992 (v1)Publication
Nonenzymatic glycation produces compounds with characteristic fluorescence in long-lived proteins. We recently described the influence of age in rat collagen-linked fluorescence. To examine the effect of age in humans, we studied the subcutaneous collagen-linked fluorescence in samples from 26 subjects of both sexes (age range, 42 to 78 years)...
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1980 (v1)Publication
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1993 (v1)Publication
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1995 (v1)Publication
Collagen structure of young and old rats was examined by using atomic force microscope (AFM) images. Rat tail tendons of eight and twenty-four month-old Wistar rats were digested enzymatically (pepsin), and allowed to refibrillate for 24 hours at 37°C. The samples were examined using a Nanoscope III (Digital Instruments, Santa Barbara, CA,...
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1991 (v1)Publication
We review in this paper some reported data on age-dependent modification of proteins pointing out the relationship between the increase of nonenzymatic glycation in abdominal skin collagen of Wistar rats, evaluated by fluorescence intensity, and tendon breaking time, used as a parameter of collagen stiffness. Fluorescence intensity data...
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1990 (v1)Publication
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1992 (v1)Publication
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1994 (v1)Publication
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1998 (v1)Publication
The morphology of ultrathin layers of CdS nanocrystals from cadmium arachidate Langmuir-Blodgett (LB) film templates has been investigated by means of scanning force and scanning electron microscopies (SEM). Consistently with previous Brewster angle microscopy investigations, low resolution electron micrographs reveal a flat film surface...
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1989 (v1)Publication
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1986 (v1)Publication
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1996 (v1)Publication
Self-assembled multilayers of stearic acid were obtained by evaporating a drop of stearic acid dissolved in organic solvent onto a cleaned glass slide. X-ray diffraction and scanning force microscopy (SFM) were used to determine the bulk structure and to study the surface at molecular level. In samples prepared from decane solution, at least...
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1994 (v1)Publication
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1991 (v1)Publication
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1995 (v1)Publication
Collagen structure of young and old rats was examined by using atomic force microscope (AFM) images. Rat tail tendons of eight and twenty-four month-old Wistar rats were digested enzymatically (pepsin), and allowed to refibrillate for 24 hours at 37 degrees C. The samples were examined using a Nanoscope III (Digital Instruments, Santa Barbara,...
Uploaded on: April 14, 2023