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A novel bioreactor system that uses membranes to create a compartmentalised system where two or more species can be co-cultured without mixing of species, while ensuring rapid exchange of metabolites and proteins between compartments and shared medium composition. The system operates continuously

The invention consists of a unique hinge mechanism as an alternative to existing spectacle hinge configurations. This mechanism facilitates the customisation of spectacle frames while also reducing costs associated with customisation. The majority of eyewear frames uses hinging systems that are

2

A reusable sanitary pad that is uniquely designed to collect, retain and dispose of menstrual fluid. The reusable pad is used externally, it is hygienic and easy to clean. The most commonly used and commercially available menstrual hygiene products in South Africa are tampons and sanitary pads. The