نتایج جستجو برای: organoleptical properties
تعداد نتایج: 869123 فیلتر نتایج به سال:
Mesoporous ferrihydrite nanoparticles with incorporated Mn (MMnFh) were prepared for the first time, and MMnFh exhibits excellent performance in removing organic contaminants (CH(3)CHO and toluene) in air. The interesting physico-chemical properties and remarkable activity of MMnFh give great commercial potential in air purification application in diverse sectors.
The present review updates our knowledge about chlorophenols, their chemical reactions and transformations in the natural environment, as well as factors affecting kinetics and mechanisms of these processes. Effects of pH of the environment and structure of molecules (also the number of chlorine atoms and their position in the molecule) on the behaviour of these compounds in the natural environ...
Every technique for toxicity prediction and for the detection of structure-activity relationships relies on the accurate estimation and representation of chemical and toxicologic properties. In this paper we discuss the potential sources of errors associated with the identification of compounds, the representation of their structures, and the calculation of chemical descriptors. It is based on ...
This Account summarizes techniques for fabrication and applications in biomedicine of microfluidic devices fabricated in poly(dimethylsiloxane) (PDMS). The methods and applications described focus on the exploitation of the physical and chemical properties of PDMS in the fabrication or actuation of the devices. Fabrication of channels in PDMS is simple, and it can be used to incorporate other m...
Physico-chemical properties, molecular interactions and thermodynamic stability of human and bovine serum albumins in complexes with mitomycin C were investigated. The pH and temperature influence on serum albumins properties and the binding mechanism of mitomycin C to these proteins have been monitored by spectrometry and spectrofluorimetry methods.
Petioles of the plant piper betle-bengal variety have been subjected for extraction employing standard procedure and the crude extract obtained has been evaluated for its diastase like activity and other physico-chemical properties to investigate further its possible biological and pharmacological activities.
This book is used by its author, a lecturer in chemistry at the university of Nottingham, England, in a beginning chemistry course. We highly recommend it to all earth scientists. rt deals, in simple and concise language, with the relations of atomic, molecular and crystal structures to physical and chemical properties. This subject is, even nowadays, badly neglected in chemistry teaching in th...
Computational Protein Engineering: Bridging the Gap between Rational Design and Laboratory Evolution
Enzymes are tremendously proficient catalysts, which can be used as extracellular catalysts for a whole host of processes, from chemical synthesis to the generation of novel biofuels. For them to be more amenable to the needs of biotechnology, however, it is often necessary to be able to manipulate their physico-chemical properties in an efficient and streamlined manner, and, ideally, to be abl...
1. The injection of leech extracts into the skin increases its permeability, as shown both by the spread of fluid and of foreign particles through the dermis. The spread is followed some hours after the injection by more or less edema of the subcutaneous tissue. 2. A preliminary study of the chemical properties of the leech spreading factor indicates a similarity with the spreading factor prepa...
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