Results 21 to 30 of about 4,104,633 (252)
An experiment was conducted to study the effect of male and female host oysters on the pearl sac formation in Pinctada maxima oyster. One hundred sixty oysters were used in a completely randomized design with 2 × 4 factorial arrangement and 20 ...
La Eddy +4 more
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Sex determination in pearl oyster: A mini review
Pearl aquaculture is an intensive pearl production method which has gained much interest over the years with pearl oysters been the main organism involved in the production of sea pearls.
Linda Adzigbli +4 more
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Background: Pearl oyster Pinctada fucata martensii is cultured for producing round nucleated pearls. Pearl production involves a surgical operation where a mantle tissue graft from a donor oyster and a round nucleus are implanted in the gonad of a host ...
Chao Lei +7 more
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Uroporphyrinogen III synthetase (UROS) is an important enzyme involved in the structural formation of porphyrin, which is responsible for color intensity.
Jiexuan Shen +5 more
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Kinds of nucleus for effective pearl cultivation of the pearl oysters, Pinctada fucata [PDF]
Seeding is the most important aspect of pearl cultivation, and appropriate nucleus can determine the quality of a pearl : nacre secretion and accumulation around the nucleus.
Kanjanachatree, K. +2 more
doaj
New forms of production organization: pearl companies
Objective: to develop a management system for new types of companies (pearl organizations).Methods: abstract-logical, methods of analysis and synthesis of theories and patterns of development of managerial approaches in economics.Results: the study of ...
L. V. Kuropatkina
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Effects of relaxants before embedding nucleus for the survival rate and pearl qualities in Pinctada fucata [PDF]
Nucleation in the spherical pearl production from Akoya pearl oysters Pinctada fucata (Gould, 1850) obtained low survival rate, and the nuclei were frequently excluded.
Piyathamrongrut, K. +2 more
doaj
Natural pearls are produced without human intervention, mainly due to various irritations from the surrounding environment to their mantle tissues.
Chunhui Zhou +6 more
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Elschnig pearl formation and disappearance
Abstract Purpose To observe and analyze morphological changes of Elschnig pearls in eyes with after‐cataract. Methods Pseudophakic eyes with pronounced regeneratory posterior capsule opacification were included in the prospective studies. In the first study the natural course of Elschnig pearls was observed during days and weeks.
N HIRNSCHALL, T NEUMAYER, O FINDL
openaire +1 more source
Mussel-derived nacre and pearl, which are natural composites composed CaCO3 platelets and interplatelet organic matrix, have recently gained interest due to their osteogenic potential.
Qianli Huang +3 more
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