نتایج جستجو برای: cyclohexene
تعداد نتایج: 865 فیلتر نتایج به سال:
In this work Pd nanoparticles immobilized on a hybrid solid support comprised of Fe3O4 coated by ZnO layer were synthesized green method which makes use water, biological substrate from local plant (Rhamnidium elaeocarpum) and inexpensive Fe3+ Zn2+ salts. 1H-NMR 13C-NM revealed β-sitosterol as the main component substrate. The catalytic containing was applied in three model solid-liquid systems...
A number of preventive measures for the protection of humans against tick-borne diseases were evaluated. Measures involving the avoidance of tick bites with the use of protective clothing and insect repellents are the simplest and most effective. Repellents are applied directly to the skin or clothing and other fabrics, such as bednets, tents and anti-mosquito screens. Currently, DEET (N,N-diet...
Pilot study on novel blood containers with alternative plasticizers for red cell concentrate storage
Di (2-ethylhexyl) phthalate (DEHP), a typical plasticizer used for polyvinyl chloride (PVC) blood containers, is eluted from the blood containers and exerts protective effects on red blood cells. However, a concern for detrimental effects of DEHP on human health has led to the development of potential DEHP substitutes. Here, we compared the red blood cell preservation ability of two types of no...
A new method that we describe as chemical modulation of volatile hydrocarbons is investigated using ozonolysis pretreatment and membrane introduction mass spectrometry (MIMS). This extension to the MIMS technique is intended to enhance the selectivity of MIMS for measuring hydrocarbons in the complex mixtures often encountered in polluted air samples. The test samples for this study were dilute...
A detailed mechanistic study on the Mukaiyama epoxidation of limonene with dioxygen as oxidant, bis(acetylacetonato)nickel(II) as catalyst, and an aldehyde as co-reagent is reported. All major products of the reaction have been quantitatively identified, both with isobutyraldehyde and 2-methylundecanal as co-reacting aldehydes. Limonene epoxide is formed in good yield. The main products evolvin...
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