نتایج جستجو برای: differential scanning calorimetry

تعداد نتایج: 439382  

2012
Bi-Qin Wang Hai-Biao Yan Ci-Jun Fang Zhi Zhang

The title double mol-ecular salt, (C(6)H(14)N(2))[Cd(H(2)O)(6)](SO(4))(2), is an isostructure of its Mn and Co analogues. The Cd(II) atom adopts a near-regular CdO(6) octa-hedral coordination geometry. The crystal structure can be described as an alternation of cationic and anionic layers along [010], and numerous O-H⋯O and N-H⋯O hydrogen bonds are observed. No thermal anomalies corresponding t...

Journal: : 2023

The results obtained by studying the low-temperature characteristics of diols (ethylene glycol and its derivatives) their nitroesters differential scanning calorimetry method are presented. It is shown that studied compounds characterized glass transition temperatures in range from -73 to -103 o C, while ethylene dinitrate differ other presence crystallization melting under experimental conditi...

2015
Syed Nasir Abbas Bukhari Ibrahim Jantan

Current analytical techniques for characterizing solid-state pharmaceuticals include powder x-ray diffraction, differential scanning calorimetry, thermogravimetric analysis, infrared spectroscopy, Raman spectroscopy, electron microscopy and nuclear magnetic resonance. Powder x-ray diffraction and differential scanning calorimetry are mainstream techniques but they lack spatial resolution. Scann...

Journal: :the iranian journal of pharmaceutical research 0
venkateskumar krishnamoorthy department of pharmaceutics, kmch college of pharmacy, coimbatore, india arunkumar nagalingam department of pharmaceutics, kmch college of pharmacy, coimbatore, india verma priya ranjan prasad department of pharmaceutical sciences, bits, ranchi, india siva parameshwaran neema george punitha kaliyan department of pharmaceutics, kmch college of pharmacy, coimbatore, india

aim: to enhance the aqueous solubility of olanzapine by using the solid dispersion technique. solid dispersions of olanzapine were prepared by the dispersion method using using pgs and ssg as carriers. drug:carrier ratios such as 1:1, 1:2, 1:4, 1:6, 1:8 and 1:10 were tried for optimization. characterization was done by phase solubility, in vitro release, saturation solubility, permeation, wetta...

2007
Gopalakrishnan T. Rengarajan Dirk Enke Mario Beiner

The influence of nanoconfinement on the crystallization behavior of acetaminophen, a polymorphic drug occurring in three different crystalline forms, is investigated. Differential scanning calorimetry (DSC) and wide angle X-ray scattering (WAXS) data for a series of controlled porous glasses (CPGs) filled with acetaminophen are presented. The results show clearly that (i) the usually inaccessib...

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