نتایج جستجو برای: zero order release
تعداد نتایج: 1231600 فیلتر نتایج به سال:
List of contents DEFINITION OF DISSOLUTION PROFILE IMPORTANCE OF DISSOLUTION PROFILE METHODS TO COMPARE DISSOLUTION PROFILE (A) GRAPHICAL METHODS (B) STATISTICAL ANALYSIS t-TEST ANOVA (C) MODEL DEPENDENT METHODS : (a)Introduction (b)Zero order A.P.I. release (c)First order A.P.I. release (d)Hixson Crowell cube root law (e)Takeru Higuchi model (f)Weibull model (g)Korsemeyar and peppas mode...
The unwanted zero-order diffraction is still an issue in beam shaping using pixelated spatial light modulators. In this paper, we report a new approach for free by designing asymmetric triangle reflector and introducing digital blazed grating lens to the phase hologram addressed onto modulator. By adding previously reported complex-amplitude coding algorithms, realized generation of complex bea...
vitamin e (α-tocopherol) is a natural antioxidant very useful for preventing the harmful effects of uv sun rays as skin aging and cancers. in this study, different mlv formulations were made using egg lecithin and varying molar ratios of α-tocopherol and/or cholesterol, and their encapsulation efficiencies were determined. the best liposomal product was incorporated into a carbomer 980 gel. the...
A drug delivery system that consists of microperforated polyimide microtubes was developed and characterized. Two groups of polyimide tubes were used. One set consisted of microtubes (I.D. = 125 microm) with 32.9 +/- 1.7 microm size holes. The second set consisted of larger tubes (I.D. = 1000 microm) with 362-542 microm holes. The number of holes was varied between 1 and 3. The small tubes were...
A reservoir-based device constructed of a completely biodegradable elastomer can enable several new implantation and insertion options for localized drug therapy, particularly in the case of urological therapies. We performed an in vitro performance evaluation of an implantable, bio-resorbable device that supplies short-term controlled release of ciprofloxacin-HCl (CIP). The proposed device fun...
Bone fillers have emerged as an alternative to the invasive surgery often required to repair skeletal defects. Achieving controlled release from these materials is desired for accelerating healing. Here, oppositely-charged Poly (D,L-lactic-co-glycolic acid) (PLGA) nanoparticles were used to create a cohesive colloidal gel as an injectable drug-loaded filler to promote healing in bone defects. T...
The objective of this study was to develop and optimize the gliclazide extended-release formulations by using simultaneously combination of two hydrophilic polymers: HPMC K 15M and sodium alginate as retardant. D-Optimal mixture design was employed to evaluate the effect of HPMC (X(1)), lactose (X(2)), and sodium alginate (X(3)) concentrations on the release rate of gliclazide from the matrices...
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