Abstract: Described herein are various inventions and embodiments thereof, directed to systems, devices, and methods for separating a sample. Embodiments of sample collection devices disclosed herein may maintain separation of different volumes of sample during collecting, handling, and accessing of the sample. A sample collection device, in some embodiments, may comprise an enclosure defining a first chamber, a second chamber, and a partition therebetween configured to separate the first chamber and the second chamber. An assembly coupled to the partition may be configured to transition between an open configuration and a closed configuration based on fluid and gas flow through the assembly.

Abstract: A fastening system for fastening an object in a vehicle, in particular in an aircraft comprises at least one rail which is arranged on the vehicle side, and an object which is to be releasably fastened on the rail. The object can be positively fixed on the rail by way of at least one fastening device which is arranged on the object side. Spring means are provided on the fastening device, and these produce a non-positive fit between the fastening device and the rail, given a positive arrangement of the fastening device on the rail.

Abstract: A fastening system for fastening an object in a vehicle, in particular in an aircraft comprises at least one rail which is arranged on the vehicle side, and an object which is to be releasably fastened on the rail. The object can be positively fixed on the rail by way of at least one fastening device which is arranged on the object side. Spring means are provided on the fastening device, and these produce a non-positive fit between the fastening device and the rail, given a positive arrangement of the fastening device on the rail.