Higuchi and connors

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August undefined, 2024

WebThe most common and widely used method to evaluate the ability of the inclusion complex is the phase solubility studies by Higuchi and Connors (1965). 23 The plot showed that … WebSolubility profiles by Higuchi and Connors theory. So is the drug intrinsic solubility in cyclodextrin absence 76 . Source publication Alternative Technologies to Improve …

Determination of stability constant of β-cyclodextrin

WebThis was explained by the solubilization theory of Higuchi and Connors. The solubility analysis of the ternary drug/competitor/CyD systems may be particularly useful for … WebMar 28, 2014 · Solubility studies were performed according to the method reported by Higuchi and Connors and the phase solubility diagrams were plotted. The repaglinide-nanosponges complexes were prepared, lyophilized and the resulted inclusion complexes were characterized by FT-IR and NMR. shuang chen cornell

Phase solubility techniques Semantic Scholar

WebT. Higuchi and K. A. Connors, “Phase-Solubility Techniques,” In: C. N. Reilly, Ed., Advances in Analytical Chemistry and Instrumentation, Wiley-Interscience, New York, Vol. 4, 1965, pp. 117-212. has been cited by the following article: TITLE: Ibuprofen-Maltodextrin Interaction: Study of Enantiomeric Recognition and Complex Characterization WebAug 8, 2024 · The method of Higuchi and Connors proposes that to determine the inclusion constant of a formed complex 1H 4 MGF:1βCD, the phase-solubility diagram, ([H 4 MGF] = … WebDec 18, 2024 · Phase solubility test was performed according to the method of Higuchi and Connors [ 24 ]. An excess amount of camphor was added to aqueous CD (HPβCD and HPγCD) solutions, and the suspensions were shaken at RT. After equilibrium was achieved at the end of 48 h, the suspensions were filtered with 0.45 μm membrane filter. theo shin

Determination of stability constant of β-cyclodextrin

WebApr 7, 2024 · The most dramatic increase in solubility of curcumin was obtained more than 20 times higher by solidly dispersed complex of CUR with PEG 6000 (1:3) than its intrinsic solubility. Following the classification of Higuchi and Connors, CUR in different PEG 6000 solutions showed A N diagram. Webevaluated by the methods described by Higuchi and Connors.20) Twenty mL of 0.007–0.252M CD aqueous solution in a glass beaker was placed in a 25 C water bath. Excess ALA was added to the CD solution and the mixture was homogenized at 2,000rpm with a T. K. ROBO MICS (Primix, Osaka, Japan). The suspension was ﬁltered shu and treeWebHiguchi and Gensch, "Acylation through a Sulfonium Ion Intermediate. Coupled Conversion of a Carboxylic Acid to an Acid Anhydride during Oxidation of a Thioether to a Sulfoxide,", … shuang chen google scholar

"WebMay 9, 2007 · A phase solubility study was performed, according to the method reported by Higuchi and Connors, to evaluate the changes of isoflavone in the complexation state and the obtained diagrams suggested that it forms complexes with a stoichiometry of 1:1. " - Higuchi and connors

Higuchi and connors

Phase solubility techniques Semantic Scholar

WebT. Higuchi, A. Connors Published 1965 Chemistry No Paper Link Available Save to Library Create Alert Cite 2,633 Citations Citation Type More Filters Development of Solvent-Free … WebT. Higuchi, K. A. Connors, “Phase Solubility Techniques,” Advanced Analytical Chemistry of Instrumentation, Vol. 4, 1965, pp. 117-212. has been cited by the following article: TITLE: …

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WebThe Higuchi窶鼎onnors phase-solubility method8)is very often used to determine K 1:1 , as a part of a formulation study. This method is based on the effect of a complex forming lig- and, e.g.CD, on the solubility of the drug. The intrinsic solu- bility (S 0 ) and the slope of the phase-solubility diagram are then used to calculate K 1:1 WebSep 1, 2010 · The phase-solubility diagrams obtained according to the Higuchi and Connors method [6] allowed us to estimate the molar ratio and the apparent stability constants of …

WebIn a famous publication by Higuchi and Connors, complexes were classified based on the phase solubility profiles derived from the molecular interactions between the host and the … WebJan 1, 2011 · T. Higuchi, K.A. Connors. Phase solubility techniques. Adv Anal Chem Instrum, 4 (1965), pp. 117-212. Google Scholar [18] L. Greenspan. Humidity Fixed Points of Binary Saturated Aqueous Solutions. J Res Nat Bur Stand, 81A (1) (1977), pp. 89-96. CrossRef Google Scholar [19]

WebT. Higuchi and K. A. Connors, “Phase-Solubility Tech-niques,” Advances in Analytical Chemistry and Instru-mentation, Vol. 53, No. 4, 1965, pp. 117-212. - References - Scientific … WebT. Higuchi and K. A. Connors, “Phase-Solubility Techniques,” In: C. N. Reilly, Ed., Advances in Analytical Chemistry and Instrumentation, Wiley-Interscience, New York, Vol. 4, 1965, pp. …

WebFeb 27, 2010 · According to Higuchi and Connors there can be five types of phase-solubility relationship (Fig. 1 ): A L -type where there is a linear relationship between substrate (drug) solubility and ligand (cyclodextrin) concentration and which is interpreted as formation of a complex with m :1 stoichiometry; A P -type, which represents positive deviation …

WebPhase solubility diagrams and their classification according to Higuchi and Connors. S0 is the intrinsic solubility of drugs in aqueous medium. Source publication +4 Cyclodextrins in Drug... theos highland indianaWebThe shake-flask method is based on the phase solubility technique that was developed 40 years ago and is still the most reliable and widely used method for solubility measurement … theo shimlaWebThis was explained by the solubilization theory of Higuchi and Connors. The solubility analysis of the ternary drug/competitor/CyD systems may be particularly useful for determination of the stability constant of a drug whose physicochemical and spectroscopic analyses are difficult, because they can be calculated by monitoring the solubility ... the oshin songhttp://www.sciepub.com/reference/10360 shuang cheng street night marketWebMay 1, 1999 · There are many methods for determination of stability constants of CyD complexes, using techniques such as solubility (Higuchi and Connors, 1965), … shuangdeng group co. ltdWebPhase-solubility studies Water solubility studies for both triterpenic acids were conducted by the Higuchi and Connors method [16] using a series of increasing concentrations of OGCD. In this purpose aqueous suspensions of oleanolic acid and ursolic acid, respectively, were prepared in the presence of OGCD in a concentration range of 1 to 300 ... the oshinWebPersonal papers of Takeru Higuchi, PP 359. University of Kansas. Kenneth Spencer Research Library. Higuchi and Connors, "Spectrophotometric Detection of the End Point in the Karl Fischer Titration of Water,", 1959, Box: 11, Folder: 110. Personal papers of Takeru Higuchi, PP 359. University of Kansas. Kenneth Spencer Research Library. shuang fang lim rate my professor