A resin-phase extraction method has been optimized for the trace determination of tin(II) by ETAAS. Tin(II) was extracted on a finely divided anion exchange resin as the complex with ammonium pyrrolidinedithiocarbamate (APDC). The resin was collected on a membrane filter and then dispersed in 1.00 ml of 1 mol l(-1) nitric acid containing 100 microg of Pd(II) and 60 microg of Ni(II). The resulti...

This article reports the findings from a study conducted to answer this research question: can adhesive resin liners provide retention that is the same as dentinal pins or pots and slots when restoring complex amalgam restorations? The study methodology consisted of two components: a review of the literature and a survey to assess methods and materials that general practitioners use in their cl...

Resin transfer moulding (RTM) is a widely used process for manufacturing composite parts. It is currently gaining market shares compared to autoclave process in particular for high performance applications, such as aerospace, thanks to its higher versatility permitting the manufacturing of complex and high quality composite parts in fairly short cycle times. The major disadvantage of RTM remain...

3D printing (3DP), or additive manufacturing, has been actively investigated as one of the enabling technologies for impending era personalized medicines. However, existing 3DP do not afford speeds required on-demand production medicines in fast-paced clinical settings. Volumetric is a novel technology that offers rapid speed and overcomes geometric surface quality limitations layer-based vat p...

the objective of this investigation was the development of chitosan/xanthan polyelectrolyte complex based mucoadhesive nasal insert of promethazine hydrochloride a drug used in the treatment of motion sickness. a 32 factorial design was applied for preparing chitosan/xanthan polyelectrolyte complex and to study the effect of independent variables i.e. concentration of xanthan [x1] and concentra...

Vacuum assisted resin transfer moulding (VARTM) is a promising manufacture process for making large and complex fiber reinforced composite structures. However, the complexity of the flow of the resin in the infusion stage usually leads to nonuniform property distribution of the produced composite part. In order to control the flow of the resin, the situation of flow should be mastered. For the ...

PURPOSE The purpose of this prospective and randomized in vivo study was to compare the clinical and radiographic outcomes of an adhesive resin system vs a calcium hydroxide liner for protection of the dentin-pulp complex of primary molars treated with indirect pulp treatment. METHODS Forty-eight primary molars with deep occlusal caries, but without preoperative signs and symptoms of irrevers...

Background: Recently, monoclonal antibody (mAb) bioanalysis using mass spectrometry has begun to be recognized as useful technology for mAbs measurement other than ELISA. We have recently exploited a high-precision method for bioanalysis of monoclonal antibody (mAb) using mass spectrometry. The method is nano-surface and molecular-orientation limited (nSMOL) proteolysis, which is useful for LCM...

        The purpose of this study was to prepare and characterize microspheres loaded by cyclosporine A(CyA)-cyclodextrin (CD) complex. To achieve this goal, PLGA microspheres loaded by CyA CD complex were prepared by multiple emulsificationsolvent evaporation methods.Morphology, size, encapsulation efficiency and drug release from these microspheres were evaluated. Microscopic evaluation of mi...