Patent ID: 11906498
Assignee: TECHNION RESEARCH & DEVELOPMENT FOUNDATION LIMITED
Field: Measurement (Instruments)
Classification: CPC G  C  D | IPC C  D  G

Claim 0:
1. A swab comprising at least one type of electrospun fibers and at least one colorimetric reactant, the electrospun fibers comprise a brittle shell and a core, said core is a liquid and comprises the at least one colorimetric reactant, and said brittle shell is a polymeric shell characterized by glass transition between 70° C. and 150° C. and is configured to break under normal stress of 0.08-1 kg/cm2 at a temperature between −55° C. and 60° C., so as to allow detection of a solid analyte; and wherein a polymeric material of said brittle shell consist of poly(methylmethacrylate-co-ethylacrylate) (PMCEA).