نتایج جستجو برای: curcumin electrospray micronano particles statistical optimization design of experiment
تعداد نتایج: 21291608 فیلتر نتایج به سال:
Statistical Optimization of Urinary Organic Acids Analysis by a Multi-Factorial Design of Experiment
Nowadays, electrospray is becoming a favourable approach for preparing monodispersed nanoparticles. However, this approach is quite recent and requires further works to optimize control over physicochemical properties of its products. This study aimed to determine the possible effects of sonication as a pretreatment to reduce the size of azelaic acid-chitosan particle before using electrospray....
objective(s): biological applications of gold nanoparticles have limitations because of the toxic chemicals used in their synthesis. curcumin can be used as reducing as well as capping agent in synthesis of gnps to eliminate the cytotoxicity. conjugation of curcumin to gold also helps in increasing its solubility and bioavailability. materials and methods: here we report synthesis of gold nanop...
To solve the multi-objective problems, a novel hybrid particle swarm optimization algorithm is proposed(called HPSODE). The new algorithm includes three major improvement: (I)Population initialization is constructed by statistical method Uniform Design, (II)Regeneration method has two phases: the first phase is particles updated by adaptive PSO model with constriction factor χ, the second phase...
Purpose: To develop a sensitive and rapid method for the simultaneous determination of curcumin and piperine in human plasma. Methods: The method was based on high-performance liquid chromatography (HPLC) with electrospray ionization tandem mass spectrometer (ESI-MS/MS) detection in positive ionization mode. The analytes and internal standard were isolated from acidified plasma using liquid–liq...
the main objective in sampling is to select a sample from a population in order to estimate some unknown population parameter, usually a total or a mean of some interesting variable. a simple way to take a sample of size n is to let all the possible samples have the same probability of being selected. this is called simple random sampling and then all units have the same probability of being ch...
we show that when both sources ( lepton flavor violation sources and cp-violating phases) are present, the electric dipole moment of the electron, $d_e$, receives a contribution from the phase of the trilinear $a$-term of staus, $phi_{a_ au}$. for $phi_{a_ au}=pi/2$, the value of $d_e$, depending on the ratios of the lfv mass elements, can range between zero and three orders of magnitude a...
abstract: in this thesis, we focus to class of convex optimization problem whose objective function is given as a linear function and a convex function of a linear transformation of the decision variables and whose feasible region is a polytope. we show that there exists an optimal solution to this class of problems on a face of the constraint polytope of feasible region. based on this, we dev...
Curcumin is a natural compound obtained from turmeric, and is well known for its pharmacological effects. In this work, we design a heterologous pathway for industrial production of curcumin in Escherichia coli. A kinetic model of the pathway is then developed and connected to a kinetic model of the central carbon metabolism of E. coli. This model is used for optimization of the mutant strain t...
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