(PhysOrg.com) -- Diazomethane is a toxic, explosive reagent prepared as needed in laboratories, where it is commonly used in cyclopropanation, but its explosive nature prevents it being used widely on an industrial scale. ...
(Phys.org) —Strong, thin fibers called microfilaments, or actin filaments, are present in the cytoplasm of almost every cell in the body. By growing and shrinking, actin filaments play a major role in cellular movement. ...
At the molecular level, muscle contraction is defined by myosin molecules pulling actin filaments. New electron cryomicroscopy images with unprecedented resolution taken by researchers at Osaka University reveal unexpectedly ...
Cell & Microbiology
Mar 8, 2017
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Dutch researcher Jean-Paul Meijnen has 'trained' bacteria to convert all the main sugars in vegetable, fruit and garden waste efficiently into high-quality environmentally friendly products such as bioplastics.
Cell & Microbiology
Nov 19, 2010
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Many of the objects we encounter are made of polymers—long chains of repeating molecules. Networks of polymers form manmade materials such as plastics, as well as natural products such as rubber and cellulose.
Polymers
Nov 6, 2012
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One of the main challenges of second-generation biofuel production is identifying enzymes produced by microorganisms for use in a cocktail of enzymes to catalyze biomass hydrolysis in which the enzymes act together to break ...
Biochemistry
Jun 17, 2019
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Thrombin plays a key role in various pathologies of the haemostatic system. Overexpression of thrombin can result in thrombosis, whereas its underexpression might lead to haemophilia. Therefore, accurate monitoring of thrombin ...
Biochemistry
Feb 23, 2012
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Palm oil extraction annually produces approximately 13 million tons of waste plant matter. Some of this by-product, known as empty fruit bunch (EFB), is currently incinerated to produce heat and electricity to run palm oil ...
Biochemistry
Nov 21, 2012
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Najua Tulos and co-researchers of the Faculty of Applied Sciences, Universiti Teknologi MARA (UiTM), Shah Alam, studied the potential of chitosan to dye polyester fabric. Produced commercially by removing the acetyl groups ...
Materials Science
May 31, 2012
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A simplified technique to fabricate nano-crystals of cerium dioxide (CeO2), which have wide-ranging technological and industrial applications, has been "unexpectedly" demonstrated by a UNSW chemist.
Nanomaterials
Jul 10, 2013
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Hydrolysis (English pronunciation: /haɪˈdrɒlɨsɪs/, from Greek roots hydro "water" + lysis "separation") is a chemical reaction during which molecules of water (H2O) are split into hydrogen cations (H+, conventionally referred to as protons) and hydroxide anions (OH−) in the process of a chemical mechanism. It is the type of reaction that is used to break down certain polymers, especially those made by condensation polymerization. Such polymer degradation is usually catalysed by either acid, e.g., concentrated sulfuric acid (H2SO4), or alkali, e.g., sodium hydroxide (NaOH).
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