Viscoelasticity and Solution Stability of Cyanoethylcellulose with Different Molecular Weights in Aqueous Solution
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چکیده
منابع مشابه
Stability of colistimethate sodium in aqueous solution.
Colistimethate sodium, increasingly used to treat multidrug-resistant Gram-negative infections, spontaneously hydrolyzes to form colistin A (polymyxin E1) and B (polymyxin E2/B) when mixed with water. High levels of these active breakdown products at the time of administration have been associated with nephrotoxicity and even death. In this study, reconstituted colistimethate sodium was shown t...
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Palytoxin, one of the most toxic non-peptide substances, formed an associated dimer of 5 nm length in aqueous solution.
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Dihydroxymethyl radical (1) was found to react with oxygen diffusion controlled (k = 4.5 x 109 M _ 1 s 1 ) . The final products of the reaction are formic acid and 1/2 hydrogen peroxide. The precursor of H2O2 was shown to be O2' which is formed with G(02" -) = 6.3 (a value which includes the 02"~ formed by H atoms and oxygen (G(H) = 0.55)). If it is assumed that dihydroxymethylperoxyl radicals ...
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بسیاری از پدیده ها در جهان ما اساساً غیرخطی هستند، و توسط معادلات غیرخطی بیان شده اند. از آنجا که ظهور کامپیوترهای رقمی با عملکرد بالا، حل مسایل خطی را آسان تر می کند. با این حال، به طور کلی به دست آوردن جوابهای دقیق از مسایل غیرخطی دشوار است. روش عددی، به طور کلی محاسبه پیچیده مسایل غیرخطی را اداره می کند. با این حال، دادن نقاط به یک منحنی و به دست آوردن منحنی کامل که اغلب پرهزینه و ...
15 صفحه اولStability of Proteins in Aqueous Solution and Solid State
In the last two decades, proteins and peptides have become an important class of potent therapeutic drugs. However, their susceptibility to chemical and physical degradation presents a challenge to formulation scientists, for the development of stable pharmaceutical preparations. This is in part, due to the unique physicochemical and biological properties of the proteins and peptide drugs. The ...
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ژورنال
عنوان ژورنال: Molecules
سال: 2021
ISSN: 1420-3049
DOI: 10.3390/molecules26113201