نتایج جستجو برای: peg 6000 proline
تعداد نتایج: 38406 فیلتر نتایج به سال:
In the present study, drought tolerance potential of chickpea (Cicer arietinum L.) and lentil (Lens culinaris Medik.) seeds under different boron (B) levels were assessed. One (Azkan) one cultivar (Sahan) selected for genetic material. To provide condition, level polyethylene glycol solution (PEG 6000) was applied to seeds. Germination experiments performed PEG-induced stress create water poten...
Quercetin is a bioflavonoid compound with low water solubility in both foods and the gastrointestinal tract, which limits exploitation of its health-promoting properties. This study aims to formulate solid dispersions (SDs) quercetin hydrophilic polyethylene glycol PEG matrices, using melt-mixing method, improve dissolution antioxidant activity quercetin. Initially, total Gibbs free energy for ...
This study aimed to develop an optimized depot injectable atorvastatin (ATR) biodegradable in situ gel (ISG) system with minimum initial burst using a central composite design. The factors selected were poly (d, l-lactide-co-glycolide) (PLGA) concentration (X1), molecular weight of polyethylene glycol (PEG) (X2), and PEG concentration (X3). The independent variables were the initial burst of AT...
مطالعه تعادل مایع-بخار محلول های آبی پلیمر-پلیمر به روش اسمومتری فشار-بخار و اندازه گیری ایزوپیستیکی
در این پژوهش تعادل مایع-بخار محلول های سه جزیی آبی پلیمری با استفاده از دو روش ایزوپیستیک و اسمومتری فشار-بخار (vpo) مورد بررسی قرار گرفته است. در روش اسمومتری فعالیت آب محلول هایی از پلیمرهای dex،peg400 ، pvp10000 و ppg400 در آب خالص و در محلول های آبی پلیمرهای peg400،peg6000 ، pvp10000 و ppg400 با کسرهای وزنی 0.05، 0.1، 0.15، 0.2 در دمای 308.15 کلوین اندازه گیری شده است. در روش ایزوپیستیک داد...
The purpose of the present study was to investigate the effect of polyethylene glycol (PEG) molecular weights (6000, 12000 and 20000) as solid dispersion (SD) carriers on the dissolution behavior of simvastatin. SDs with various drug : carrier ratios were prepared by solvent method and evaluated for dissolution rate. Differential scanning calorimetry (DSC), X-ray diffraction (XRD), infrared spe...
Drought is one of the major stress factors affecting growth and development plants, responsible for considerable crop yield losses worldwide. An experiment was conducted to compare three rice (Oryza sativa L.) varieties (BRRI dhan49, BRRI dhan71 dhan75) drought tolerance based on some parameters physiological status in germination stage. imposed by five levels polyethylene glycol (PEG) (0%, 10%...
In this paper, the author discusses effects of drought stress on pearl millet genotypes during vegetative stage development and plant’s mechanisms for survivability under with various nitrogen treatment regimes. A total six conditions were imposed plants, i.e., N0 (no Nitrogen-0 mM), N0+PEG-10%, LN (low Nitrogen-2.5 LN+PEG-10%, HN (high Nitrogen-7.0 HN+PEG-10%. Five days moderate caused signifi...
Abstract Plantago albicans L. (Plantaginaceae) grows in wastelands, slopes, and stony pastures, with dry sun‐exposed soils. Its seeds produce a mucilaginous coat. The main aim of this study was to evaluate intraspecific variation osmotic salinity stress response mucilage production P. seeds. relationships between stress, germination characteristics, expansion were studied eight populations . Se...
The aim of the present work was to improve the solubility and dissolution rate of simvastatin (SIM), a drug used for the treatment of hyperlipidemia. Two systems were used: solid dispersions with PEG 4000 and PEG 6000 prepared using the fusion method in various ratio of 1:1, 1:3, and 1:5 and inclusion complexes with HP-β-cyclodextrin obtained by kneading method in a ratio of 1:1 with drug SIM. ...
BACKGROUND Channel proteins like the engineered FhuA Δ1-159 often cannot insert into thick polymeric membranes due to a mismatch between the hydrophobic surface of the protein and the hydrophobic surface of the polymer membrane. To address this problem usually specific block copolymers are synthesized to facilitate protein insertion. Within this study in a reverse approach we match the protein ...
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