Single-window system Single-window system The single-window system is a trade facilitation idea. As such, the implementation of a single window system enables international (cross-border) traders to submit regulatory documents at a single location and/or single entity. Such documents are typically customs declarations, applications for import/export permits, and other supporting documents such as certificates of origin and trading invoices. The main value proposition for having a single window for a country or economy is to increase the efficiency through time and cost savings for traders in their dealings with government authorities for obtaining the relevant clearance and permit(s) for moving cargoes across national
Single-use bioreactor the pH, and the color, of the dye. The color change can be detected with a laser external to the bag. This and other methods of non-invasive measurement have been developed for single-use bioreactors. Single-use process steps available are: media and buffer preparation, cell harvesting, filtration, purification and virus inactivation. Other manufacturers include Cellexus with their CellMaker with an air lift system for bacterial production,PBS Biotech, Inc. with its novel Air-Wheel mixing mechanism and low shear and scalability from lab to cGMP (Good manufacturing practice) production and is fully integrated, easy to use www.pbsbiotech.com as well as Millipore, which is