Since the discovery of enzymes as biological catalysts, study of their enormous catalytic power and exquisite specificity has been central to biochemistry. Nevertheless, there is no universally accepted comprehensive description. Rather, numerous proposals have been presented over the past half century. The difficulty in developing a comprehensive description for the catalytic power of enzymes ...

Enzymes are biological catalysts (also known as biocatalysts) that speed up biochemical reactions in living organisms, and which can be extracted from cells and then used to catalyse a wide range of commercially important processes. This chapter covers the basic principles of enzymology, such as classification, structure, kinetics and inhibition, and also provides an overview of industrial appl...

Bast fibers, such as ramie, hemp, flax and kenaf, are natural fibers with high specific stiffness strength that have gained increasing attention in recent years. advantageous terms of their biodegradability abundance nature, making them promising candidates for automotive industry, structural composites, pulping textile applications etc. There is a strong desire from industry yielding cellulose...

AbstrakProses degumming serat rami umumnya dilakukan menggunakan senyawa alkali dalam jumlah besar, sehingga dihasilkan limbah berlebih dan berakibat pada pencemaran lingkungan. Oleh sebab itu, metode alternatif dengan memanfaatkan agensia hayati untuk mengatasi permasalahan tersebut penting dikembangkan. Penelitian ini bertujuan melakukan seleksi kandidat bacterial dari kulit batang serta opti...

abstract: degumming and neutralization processes are two essential stages carried out on crude edible oils in order to remove some unwanted impurities namely gums and free fatty acids. in this research study two popular less expensive commercial oils that are consumed to a great extent namely soyabean and sunflower seed oils are selected and subjected to both degumming and neutralization proces...

This review highlights the biosynthesis of heterocycles in polyketide natural products with a focus on oxygen and nitrogen-containing heterocycles with ring sizes between 3 and 6 atoms. Heterocycles are abundant structural elements of natural products from all classes and they often contribute significantly to their biological activity. Progress in recent years has led to a much better understa...

This is a compilation of reference materials suggested for scientists considering a laboratory reference collection in clinical chemistry, or for librarians seeking to develop or add to an up-t-o-date library collection. Nine areas are represented: general clinical chemistry; analytical methods, procedures, and techniques; calculations and statistics; the clinical laboratory; drugs and metaboli...