Abstract
In this paper, the use of optical capsule for drug delivery with security is proposed. In principle, the optical capsules are generated and formed by soliton pulses within a small scale optical waveguide. The trapped molecules (drug molecules) are brought and stably confined within the device, which can move and deliver securely by the capsule gradient force to the required targets. By using the optical switching control, the trapped drugs within the specific capsules can leave to the access points via the through or drop port, where in this case the switching control is employed by light via the control port (add port). Simulation results obtained have shown that the capsule array can also be constructed and formed the large volume of drug delivery, while the switching control can form the uncapsule drugs into the drug target points. In application, the capsule array can be generated and formed the life molecule trapping, which can be available for life molecule transport within the device, for instance, stem cells, which is useful for stem cells dynamically movement, i.e. transportation to the required targets or organs.
Highlights
Drug delivery has been the wide research subject for two decades, in which the systems have been developed from large to small systems [1,2,3,4,5]
We propose the technique that can be used for optical capsule switching control for long distance drug delivery with security function, which can be useful for drug delivery network and life cells transportation and storage
The control signal is input into the system via the add port, where the required shift in phase of the one of the capsule signals is π/2, in which the trapped capsule is opened, where the required drugs/molecules can be released to the required target by using the molecular filtering device [25]
Summary
Drug delivery has been the wide research subject for two decades, in which the systems have been developed from large to small systems [1,2,3,4,5]. The wavelength phase shift is employed at the through and drop port outputs of a PANDA ring resonator as shown in Figures 3 and 4, where two forms of capsules, for instance, dark and bright soliton are generated, after the phase shifted device is applied, the capsules in Figures 3a and 4a can be released (opened) as shown in Figures 3b-3d and 4b-4d. The control signal is input into the system via the add port, where the required shift in phase of the one of the capsule signals (orthogonal dark-bright soliton pair) is π/2, in which the trapped capsule is opened, where the required drugs/molecules can be released to the required target (access points) by using the molecular filtering device [25]
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