نتایج جستجو برای: higuchi
تعداد نتایج: 710 فیلتر نتایج به سال:
This paper presents a qualitative automatic feature selection framework. Feature plays very important role in selecting those features which provides the best results terms of accuracy. The research work is aimed for depth analysis non-linear parameters using EEG signals. also comprehensive study and their interpretations characterizing epileptic seizures. We examine quality each independently ...
Liposome gels bearing an antineoplastic agent, 5-fluorouracil, intended for topical application have been prepared and drug release properties in vitro have been evaluated. Different formulations of liposomes were prepared by the film hydration method by varying the lipid phase composition (PL 90H/cholesterol mass ratio) and hydration conditions of dry lipid film (drug/aqueous phase mass ratio)...
Domain-swapped Cytochrome cb562 Dimer and Its Nanocage Encapsulating a Zn-SO4 Cluster in the Internal Cavity Takaaki Miyamoto,a Mai Kuribayashi,a Satoshi Nagao,a Yasuhito Shomura,b Yoshiki Higuchi,cdand Shun Hirota*a a Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara 630-0192, Japan b Graduate School of Science and Engineering, Ibaraki...
This paper describes formulation considerations and in vitro evaluation of an oleic acid-based polyelectrolytic polymer-containing microemulsion drug delivery system designed for intranasal administration of a hydrophobic model drug Olanzapine. Drug-loaded microemulsions were successfully prepared by a water titration method. The microemulsion containing 4% oleic acid, 30% surfactant mixture of...
In Music Emotion Research, the goal is to quantify and explain how music influences our emotional states. Scientists realize that human brain is relevant to emotion, and it leads to the study of human emotion by capturing information from brain. Electroencephalogram (EEG) is an efficient tool to capture brainwave. This research proposes a framework to recognize human emotions during music liste...
Inclusion complexes of rifampicin (RP) were prepared with hydroxypropyl-β-cyclodextrin (HPβCD). The aqueous solubility of RP increased linearly with cyclodextrin concentration in all range of the solubility diagram. The data was analyzed using the framework of Higuchi and Connors. The stability constant (K) values for RP/HPβCD complex at pH 6.9 were 18 and 120-125 M-1 for ionic strength 0.01 an...
The use of nanoporous anodic alumina (NAA) for the development of drug delivery systems has gained much attention in recent years. The release of drugs loaded inside NAA pores is complex and depends on the morphology of the pores. In this study, NAA, with different three-dimensional (3D) pore structures (cylindrical pores with several pore diameters, multilayered nanofunnels, and multilayered i...
For increased analgesic effect, new composed tablets containing diclofenac sodium (DIC) with an addition of papaverine hydrochloride (PAP) were prepared to investigate the mechanism of release of the active substances from tablets with different excipients in eight different formulations. To detect the possible interactions between active substances and excipients differential scanning calorime...
Drugs that have narrow absorption window in the gastro-intestinal tract (GIT) will have poor absorption. For these drugs, gastro-retentive drug delivery systems offer the advantages in prolonging the gastric emptying time. Floating and sustained release tablets are developed by using a combination of hydrophilic polymer (Hydroxypropyl methylcellulose) and effervescent substance (Sodium bicarbon...
Fenofibrate lipospheres were prepared by the melt dispersion technique. Critical parameters influencing particle size and entrapment efficiency were optimized by applying the L9 Taguchi experimental design. Entrapment efficiency of up to 87 % was obtained for the optimized formulation on increasing olive oil up to 30 % in the lipid carrier. Particle size analysis by microscopy and SEM revealed ...
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