SODRÉ, M. A.; SODRÉ, Marcus Alexandre.
Resumo:
The rhinosinusopathy is a disease that can be clinically defined as an
inflammatory response of the mucous membrane lining anatomical and
functional structures of the nasal cavity and paranasal sinuses. Various
treatments seek to avoid the onset of the crisis, ie, the preventive treatment we
consider to be the ideal treatment and cellulose powder has excelled in the
search for treatments of these options, with no adverse effects or side reactions
and with positive results. The purpose of this study was to characterize the
microcrystalline cellulose (MCC) for intranasal use sold in our country for the
treatment of RA. The survey targeted the physicochemical characterization of
the MCC was developed in the Laboratory CERTBIO (Laboratory of
Biomateriais Development and Evaluation). The chemical composition and
crystal structure was confirmed in assays FTIR, XRD and EDS, in which the
material can be concluded that it is a cellulose derivative. In analysis by
microscopy, MCC presents as a white crystalline powder. One can observe
small aspect fibrous particles. The aggregate of microcrystalline cellulose
particles have a unique morphology in the form of rods, providing greater
compressibility. Through this analysis one can observe the presence of particles
ranging from 5 to 100pm. The observation of the material under study and its
characterization in favor of the knowledge structure and provides the material
becomes susceptible to develop domestic technology that enables us to
produce this material with national technical and cost, which would facilitate the
access of low-income population to treatment and the prevention of recurrent
crises so common in these cases.