Abstract: Peristaltic pump's tubing mount construct design in this invention uses a “&”-shape tubing routing path to hold a longer tubing section on its entry side to spread pumping motion's shear stress, hence a reduced tubing deformation rate and longer tubing life. Together with a thin fixed-speed synchronous AC motor, this minimum tubing mount makes a light weight peristaltic pump of one step tubing mount and dismount and zero-footprint hanging use conveniences, hence added reaches and applications.

Abstract: A dynamic magnetic coupling method employs running drive magnet(s) on a plane at in general a 90-degree angle to and below a magnetic stirring element's laying plane, and a kinetic energy transfer from the drive magnet(s) to the magnetic stirring element through a joint effect of its space velocity and the magnetic attraction force between the two, so that axle(s) to rotate the drive magnet(s) can be placed sideways in a horizontal direction. With horizontally placed axle or axles and the dynamic magnetic coupling mechanism, multiple coupling and stirring positions can be placed in parallel on a single flattened drive train and fit in hard-to-reach places. Magnetic coupling assembly of this dynamic nature allows virtual running coupling dipoles of drive magnets to be configured and reconfigured for different stir motions on the same drive train.

Abstract: A magnetic coupling assembly for a magnetic stirrer includes a non-magnetic disc embedded with two or more pairs of magnets. The two magnets of each pair are oriented with opposite magnetic poles pointing in the upward direction. When the magnetic coupling assembly is driven to rotate, it can bind one or more axially magnetized stir bar in a mixer at a relatively higher speed to achieve better mixing result without causing spin-out or jumping-flea phenomena, compared to when only one pair of magnets is used.

Abstract: A magnetic coupling assembly for a magnetic stirrer includes a non-magnetic disc embedded with two or more pairs of magnets. The two magnets of each pair are oriented with opposite magnetic poles pointing in the upward direction. When the magnetic coupling assembly is driven to rotate, it can bind one or more axially magnetized stir bar in a mixer at a relatively higher speed to achieve better mixing result without causing spin-out or jumping-flea phenomena, compared to when only one pair of magnets is used.

Abstract: A reaction vessel assembly achieves enhanced aeration or gas exchange in its gas-in-liquid multiphase mixing reaction through the use of its mixing energy and gas-lift venting, and without the traditionally practiced external line gas sparging. It combines the best of both shake flask and stirred tank reactor vessel and possesses some of the key generic features like cost and parallel experiment advantages of the traditional flasks and shaker hybrid but without their shortcomings like limited gas exchange and uncharacteristic mixing.

Abstract: A spring mounted tube pressing member for peristaltic pumps allows loading and unloading of an elastic tube section between the tube pressing member and a continuously revolving rotor assembly by selectively moving between a locked position for fluid transfer and an open position for unhindered mounting and demounting of the tube section or a replaceable tube cassette. Not only is the pressure on the tube pressing member adjustable by the spring used, its dynamic pressure distribution on the tube section also prolongs the tube flex life and reduces fluid back mixing and pulsation in the tube.

Abstract: A spring mounted tube pressing member for peristaltic pumps allows loading and unloading of an elastic tube section between the tube pressing member and a continuously revolving rotor assembly by selectively moving between a locked position for fluid transfer and an open position for unhindered mounting and demounting of the tube section or a replaceable tube cassette. Not only is the pressure on the tube pressing member adjustable by the spring used, its dynamic pressure distribution on the tube section also prolongs the tube flex life and reduces fluid back mixing and pulsation in the tube.

Abstract: A reaction vessel assembly achieves enhanced aeration or gas exchange in its gas-in-liquid multiphase mixing reaction through the use of its mixing energy and gas-lift venting, and without the traditionally practiced external line gas sparging. It combines the best of both shake flask and stirred tank reactor vessel and possesses some of the key generic features like cost and parallel experiment advantages of the traditional flasks and shaker hybrid but without their shortcomings like limited gas exchange and uncharacteristic mixing.

Abstract: By coupling small laboratory bench-top mixer/stirrer or stirred tank reactor with a small portable low voltage DC motor for agitation power, these laboratory devices become portable with uninterrupted power supply and without compromising their continuous operation and high power input capability. This type of small portable DC motor is commercially available, of the consumable type and powered by line power adaptor, car battery or a 12-volt DC battery. Together with an innovative open frame design, this small portable generic stirred reaction device can also achieve mass-production economy and personalized convenience.

Abstract: Present invention offers, for the first time, a biological approach through the use of white-rot fungi to the decolorization of dye wastewater. It is also applicable to other colored substances and/or their wastewater such as molasses. Because of its low cost, renewable and regenerative activity, and little or no secondary pollution hazard, biological method is the most widely practiced method in nature and in practice in treating organic refuse and industrial waste. Current invention discloses, specifically, undiscovered activities of the Myrothecium and Ganoderma fungi in removing colored substances from dye solutions and dye wastewater. It is the result of a deliberate process of screening for natural water/soil-born and farm/industrial-waste-derived microorganisms for such specific purpose in our laboratory.The accompanied process invention shows that simple biological treatment could also produce consistently effective results in treating a wide spectrum of dye wastewater under greatly varied conditions.