نتایج جستجو برای: differential scanning calorimetry dsc

تعداد نتایج: 444301  

Journal: :Bioscience, biotechnology, and biochemistry 2004
Koji Takahashi Hirosaburo Yamamoto Yoshiko Yokote Makoto Hattori

Differential scanning calorimetry (DSC) was applied to elucidate the thermal behavior of fowl feather keratins (barbs, rachis, and calamus) with different morphological features. The DSC curves exhibited a clear and relatively large endothermic peak at about 110-160 degrees C in the wet condition. A considerable decrease in transition temperature with urea and its helical structure content esti...

Journal: :journal of agricultural science and technology 2014
a. sankhon i. amadou w. yao h. wang h. qian

parkia biglobosa starch was subjected to different heat-moisture treatment (hmt) at different moisture contents (15, 20, 25, and 30%) at 110oc for 16 hours. the content of resistant starch (rs) was the lowest (33.38%) in the untreated native parkia and increased in the samples with hmt-15 (37.79%), hmt-30 (39.64%), hmt-25 (46.63%), and hmt-20 (50.14%), showing significant increase (p < 0.05) in...

Journal: :Metallurgical and Materials Transactions B-process Metallurgy and Materials Processing Science 2021

Abstract Analytical liquidus equations were evaluated using differential scanning calorimetry (DSC) and thermal analysis (DTA). Results of 180 measurements in the Fe-C-Si-Mn-Al-P subsystems considered, where experimental methodology was demonstrated for four alloys Fe-Si-Mn-Al system. Excellent agreement between DSC/DTA dataset most recently published equation found (error 2.1 ± 1.6 °C). For th...

Journal: :Sustainability 2022

In this research, the presence of microplastics was detected through a differential scanning calorimetry (DSC) analysis three wastewater treatment plants. One these plants applied only preliminary stage while others up to secondary evaluate their effectiveness. The results showed polyethylene (PE), polystyrene (PS), polypropylene (PP) and terephthalate (PET), which were classified as fragments,...

Journal: :Crystals 2021

A series of poly(ethylene-co-vinyl alcohol)/poly(?-caprolactone) blends with different compositions were prepared using solvent casting. The miscibility this pair polymers was investigated differential scanning calorimetry (DSC), and proved by a negative Flory interaction parameter value calculated from the Nishi–Wang equation. blend also confirmed electronic microscopy (SEM). thermal behaviors...

Journal: :Biochemistry 2010
Motohide Murate Tomohiro Hayakawa Kumiko Ishii Hironori Inadome Peter Greimel Masaki Watanabe Yasuko Nagatsuka Kazuki Ito Yukishige Ito Hiroshi Takahashi Yoshio Hirabayashi Toshihide Kobayashi

Phosphatidylglucoside (PtdGlc) is a recently discovered unique glycophospholipid involved in granulocytic differentiation of human promyelocytic leukemia cell line HL60 and in astrocytic differentiation in developing rodent brains. Using a PtdGlc-specific monoclonal antibody in immunofluorescence and immunoelectron microscopy, we showed that PtdGlc forms distinct lipid domains on the outer leaf...

2017
Faranak Ghaderi Mahboob Nemati Mohammad Reza Siahi-Shadbad Hadi Valizadeh Farnaz Monajjemzadeh

Purpose: In the present study the incompatibility of FLM (fluvoxamine) with lactose in solid state mixtures was investigated. The compatibility was evaluated using different physicochemical methods such as differential scanning calorimetry (DSC), Fourier-transform infrared (FTIR) spectroscopy and mass spectrometry. Methods: Non-Isothermally stressed physical mixtures were used to calculate the ...

2012
Prerna P. Dhawade Ramanand N. Jagtap

In differential scanning calorimetry (DSC), remnant moisture loss in samples often overlaps and distorts thermal events such as glass transitions. Temperature modulated DSC (TMDSC) is known for separating such overlapping processes. In this study, chitosan was depolymerized by oxidative degradation method. By this method, chitooligomers of different molecular weights were produced. The glass tr...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2011
mostafa feyzi ali akbar mirzaei

a series of x(co, mn)/tio2 catalysts (x=2–12wt.%) containing 25%co and 75%mn were prepared by the co-impregnation method. all prepared catalysts have been tested in fischer-tropsch synthesis for production of c2-c4 olefins. it was found that the catalyst containing 8wt.%(co,mn)/tio2 is an optimal catalyst for production of c2-c4 olefins. the effect of operation conditions such as the h2/co mola...

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