Results 201 to 210 of about 1,349,058 (232)
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Thermal stability of polyhydroxyalkanoates
Journal of Applied Polymer Science, 2006AbstractIn this study, we examined the thermal decomposition of polyhydroxyalkanoates (PHAs) such as the homopolymer poly(3‐hydroxybutyrate) and the copolymer poly(3‐hydroxybutyrate‐co‐3‐hydroxyvalerate). They are biodegradable polymers that can replace plastics produced from nonrenewable resources, such as polypropylene.
F. CARRASCO +4 more
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Journal of Pharmaceutical Sciences, 2003
Worldwide vaccination programs against infectious diseases and toxins are estimated to save approximately 3 million lives yearly. Tragically, however, another 3 million individuals (primarily children) die of vaccine-preventable diseases. A significant portion of this problem results from the thermal instability of many of the currently used vaccines ...
LaToya S. Jones +4 more
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Worldwide vaccination programs against infectious diseases and toxins are estimated to save approximately 3 million lives yearly. Tragically, however, another 3 million individuals (primarily children) die of vaccine-preventable diseases. A significant portion of this problem results from the thermal instability of many of the currently used vaccines ...
LaToya S. Jones +4 more
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Thermal stability of Peroxynitrates
International Journal of Chemical Kinetics, 1993PAN [CH3C(O)O2NO2] has been measured ubiquitously in the troposphere, and in the stratosphere HO2NO2 has also been analysed. The thermal lives of both compounds as a function of pressure and temperature have been established reasonably well by laboratory studies, in particular for PAN. Other peroxynitrates including the halogenated derivatives are less
F. Kirchner +3 more
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Thermal Stability of Nanomaterials [PDF]
ChemInform, 2002 AbstractFor Abstract see ChemInform Abstract in Full Text.
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Annals of the New York Academy of Sciences, 2006
Abstract: Protein stability is critical to the outcome of nearly all thermally mediated applications to biomaterials such as thermal therapies (including cryosurgery), burn injury, and biopreservation. As such, it is imperative to understand as much as possible about how a protein loses stability and to what extent we can control this through the ...
John C. Bischof, Xiaoming He
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Abstract: Protein stability is critical to the outcome of nearly all thermally mediated applications to biomaterials such as thermal therapies (including cryosurgery), burn injury, and biopreservation. As such, it is imperative to understand as much as possible about how a protein loses stability and to what extent we can control this through the ...
John C. Bischof, Xiaoming He
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Thermal stability and protein structure
Biochemistry, 1979Amino acid sequences have been compared for thermophilic and mesophilic molecules of ferredoxin, glyceraldehyde-3-phosphate dehydrogenase, and lactate dehydrogenase. It is shown that Gly, Ser, Ser, Lys, and Asp in mesophiles are generally substituted by Ala, Ala, Thr, Arg, and Glu, respectively, in thermophiles.
Herbert Zuber +5 more
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On the thermal stability of LiPF6 [PDF]
Thermochimica Acta, 2005 Abstract The results of a comprehensive study of the thermal stability of the salt LiPF 6 , using both accelerating rate (ARC) and differential scanning (DSC) calorimetry, are presented. Pressure monitoring during ARC experiments permits also the study of endothermic processes.
Liraz Larush-Asraf +4 more
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The thermal stability of polymethylidenephthalide [PDF]
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science, 1970 As the result of studying the molecular weight characteristics during the decomposition of polymethyl-idenephthalide it was established that the depolymerization of this polymer is initiated in harmony with the rule of chance.
V. V. Rod� +6 more
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Thermal stability of diazodinitrophenol
Thermochimica Acta, 1995Abstract The stability of diazodinitrophenol in the solid phase has been investigated by four different thermoanalytical methods and by 1 H NMR spectroscopy. The results show that the substance is stable for long periods at temperatures below 60°C.
U. Ticmanis, M. Kaiser
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Russian Journal of Inorganic Chemistry, 2007
Differential thermal analysis (DTA) and thermogravimetric analysis (TGA) of an α-Bi2O3 sample revealed staged phase transitions in the range 720–800°C (at 720, 780, and 800°C) and the elimination of oxygen to the composition Bi2O2.967 during heating to 895°C in air at 16 K/min.
V. K. Fedotov +3 more
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Differential thermal analysis (DTA) and thermogravimetric analysis (TGA) of an α-Bi2O3 sample revealed staged phase transitions in the range 720–800°C (at 720, 780, and 800°C) and the elimination of oxygen to the composition Bi2O2.967 during heating to 895°C in air at 16 K/min.
V. K. Fedotov +3 more
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