نتایج جستجو برای: foreign particles
تعداد نتایج: 234300 فیلتر نتایج به سال:
INTRODUCTION For more than 20 years alumina-blasted surfaces have been successfully used for cementless surgical implants, because of their good biocompatibility and rapid osseointegration. However, it has been shown recently that grit-blasting leads to partial embedding of aluminum oxide particles that can cover 24% to 40% of the surface, with a difference between manufacturers [1-2]. These pa...
Accurate mass analysis can provide useful information on the stoichiometry and composition of protein-based particles, such as virus-like assemblies. For applications in nanotechnology and medicine, such nanoparticles are loaded with foreign cargos, making accurate mass information essential to define the cargo load. Here, we describe modifications to an Orbitrap mass spectrometer that enable h...
The novel viral vectors PVX-CP AltMV and PVXdt-CP AltMV are superexpressors of the capsid protein (CP). These viral vectors were constructed on the basis of the potato virus X (PVX) genome andAlternantheramosaic virus (AltMV) CP gene. The expression, based on the hybrid viral vectors, is genetically safe, since the systemic transport and formation of infective viral particles are blocked. CP Al...
To maintain health and function in response to inhaled environmental irritants and toxins, the lungs and airways depend upon an innate defense system that involves the secretion of mucus (i.e., mucin, salts, and water) by airway epithelium onto the apical surface to trap foreign particles. Airway mucus is then transported in an oral direction via ciliary beating and coughing, which helps to kee...
Sperm-mediated gene transfer can be a very efficient method to produce transgenic pigs, however, the results from different laboratories had not been widely repeated. Genomic integration of transgene by injection of pseudotyped lentivirus to the perivitelline space has been proved to be a reliable route to generate transgenic animals. To test whether transgene in the lentivirus can be delivered...
Poly(lactic aicd) particles stimulate collagen production through foreign body reaction, contributing to the formation of fibrotic tissues which is beneficial for variety tissue-related therapies such as facial rejuvenation and wound healing.
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