Publications by authors named "Martinuzzi P"
The composition of the surface waxes of three apple ( Malus domesticaL.) cultivars ("Florina", "Golden B" and "Ozark Gold") has been studied by means of spectroscopic and GC-MS analysis of the class-fractionated mixture of components. Odd n-alkanes, mainly C(27) and C(29) molecules, are prevalent in the saturated fraction.
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- A glycoprotein with alkaline phosphatase activity has been purified from cartilage matrix vesicles and shows high affinity for calcium ions (Ca2+).
- Antibodies were used to study its distribution in chondrocytes and calcifying cartilage, revealing localization mostly in the resting zone and weak reactivity in the proliferating and hypertrophic regions.
- The glycoprotein appears to play a crucial role in the calcification process, as it is synthesized and exported by chondrocytes when calcification begins.