نتایج جستجو برای: chitosan 5 gl
تعداد نتایج: 1237297 فیلتر نتایج به سال:
Granulocyte macrophage colony stimulating factor, a potent hematopoietic cytokine, has been shown to stimulate production of white blood cells following chemotherapy. Therefore, the granulocyte macrophage colony stimulating factor gene is a potential candidate for the treatment of different pathological conditions. The purpose of this study is to investigate the suitability of chitosan as carri...
Colon-specific drug delivery systems (CDDS) can improve the bioavailability of drug through the oral route. A novel formulation for oral administration using pH-enzyme Di-dependent chitosan mcirospheres (MS) and 5-Fu as a model drug has been investigated for colon-specific drug delivery by the emulsification/chemical cross-linking and coating technique, respectively. The influence of polymer co...
Thermal degradation of as electrospun chitosan membranes and samples subsequently treated with ethanol and cross-linked with glutaraldehyde (GA) have been studied by thermogravimetry (TG) coupled with an infrared spectrometer (FTIR). The influence of the electrospinning process and cross-linking in the electrospun chitosan thermal stability was evaluated. Up to three degradation steps were obse...
BACKGROUND Little is known about the joint association between glycemic index (GI), glycemic load (GL), and alcohol intake with type 2 diabetes (T2D). OBJECTIVE The objective of this study was to examine whether alcohol intake alters the associations between carbohydrate quality (GI) or quality and quantity (GL) and T2D incidence in women. DESIGN Participants from the Nurses' Health Study w...
مایعات یونی اخیرا به عنوان حلال های سبز جهت جایگزینی حلال های آلی متداول توجه زیادی را به خود جلب کرده اند. این مواد نمک هایی هستند که در دامنه وسیع دمایی و از جمله دمای محیط مایع می باشند و از ترکیب کاتیون های آلی و آنیون های مختلف تشکیل می شوند. مایعات یونی دارای خواص فیزیکوشیمیایی بی نظیری مانند فشار بخار ناچیز، غیرقابل اشتعال بودن و قابلیت استخراج بالا برای ترکیبات آلی و یون های فلزی می باش...
Hybrid clay composites were prepared from Kaolinite clay and Carica papaya seeds via modification with chitosan, Alum, NaOH, and ZnCl2 in different ratios, using solvothermal and surface modification techniques. Several composite adsorbents were prepared, and the most efficient of them for the removal of gram negative enteric bacteria was the hybrid clay composite that was surface-modified with...
Custom-designed wound dressing films of chitosan and alginate have been prepared by a casting/solvent evaporation method for hydrophobic therapeutic agent encapsulation. In this parametric study, the propylene glycol (PG) and calcium chloride (CaCl2) concentrations were varied for chitosan and alginate films, respectively. Mechanical and chemical inter-related responses under observations inclu...
...........................................................................................................................ii Acknowledgments ........................................................................................................... iii List of Tables .................................................................................................................. vii List of F...
Abstract A depending on a complex parameter k superanalog SL of Calogero operator is constructed; it is related with the root system of the Lie superalgebra gl(n|m). For m = 0 we obtain the usual Calogero operator; for m = 1 we obtain, up to a change of indeterminates and parameter k the operator constructed by Veselov, Chalykh and Feigin [2, 3]. For k = 1, 1 2 the operator SL is the radial par...
OBJECTIVE The purpose of the study was to design and evaluate novel functional chitosan hydrogels (chitosan-H-propolis, chitosan-H-propolis-nystatin and chitosan-H-nystatin) by using the chitosan-H polymer as "dual function restorative materials". MATERIALS AND METHODS The nystatin/antioxidant carrier gel was prepared by dispersion of the corresponding component in glycerol and 3% acetic acid...
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