Optical biomodule for detection of diseases
View Patent ↗An optical biomodule for detecting a disease(s) in a biological fluid (containing a disease specific biomarker(s)) in a fluidic container(s) or on a substrate(s), utilizing an enhanced fluorescence emission (due to integration of three-dimensional (3-D) protruded structure(s)) upon chemical binding of a disease specific biomarker(s) with its corresponding specific disease specific biomarker binder(s) is disclosed. Furthermore, the invention includes spatial multiplexing and optical multiplexing of disease specific biomarker binders.
1. An optical biomodule for detecting a disease or plurality of diseases in a biological fluid, wherein the biological fluid comprises: a biomarker or plurality, of biomarkers, wherein the biomarker or the plurality of biomarkers indicate a presence or an absence of the disease or the plurality of diseases,
comprising:
(a) an array of fluidic containers,
wherein each fluidic container is a microcapillary,
wherein each [fluidic container] microcapillary within the array of microcapillaries comprises:
a first biomarker binder or a second biomarker binder,
wherein the first biomarker binder comprises: an antibody or an aptamer or a synthetically designed protein,
wherein the first biomarker binder is chemically coupled with a fluorophore or a quantum dot fluorophore,
wherein the second biomarker binder comprises: a molecular beacon, wherein each microcapillary comprises: one or more three-dimensional (3-D) protruded structures at the bottom of each microcapillary for enhancing a fluorescence emission due to an interaction of the first biomarker binder or the second biomarker binder with a biomarker,
wherein the one three-dimensional (3-D) protruded structure comprises: a metal thin-film,
wherein shape or diameter or height, or pitch of the one three-dimensional (3-D) protruded structure is varied for maximum enhancement of the fluorescence emission,
wherein more than the one three-dimensional (3-D) protruded structure is spaced or arranged in a two-dimensional (2-D) array,
wherein the two-dimensional (2-D) array is a systematic arrangement of similar three-dimensional (3-D) protruded structures;
(b) a light source or an array of light sources directed at the array of microcapillaries for inducing the fluorescence emission due to an interaction of the first biomarker binder or the second biomarker binder with the biomarker in each microcapillary within the array of microcapillaries; and
(c) a device or an array of devices for detecting the fluorescence emission due to the interaction of the first biomarker binder or the second biomarker binder with the biomarker in each [fluidic container] microcapillary within the array of [fluidic containers] microcapillaries.
2. The optical biomodule according to claim 1 , wherein each microcapillary within the array of microcapillaries is a recessed surface or a planar surface for placing the biological fluid.
3. The optical biomodule according to claim 1 , further comprises a distinct first biomarker binder or a distinct second biomarker binder in each microcapillary within the array of microcapillaries.
4. The optical biomodule according to claim 1 , wherein the light source or array of light sources is a coherent light source or an array of coherent light sources for inducing the fluorescence emission.
5. The optical biomodule according to claim 1 , further comprises an array of optical fibers or an array of optical waveguides for transmitting the fluorescence emission in each microcapillary within the array of microcapillaries, to the device or the array of devices for detecting the fluorescence emission.
6. The optical biomodule according to claim 5 , further comprises an array of optical filters for optical filtering the fluorescence emission in each microcapillary within the array of microcapillaries, prior to transmitting the fluorescence emission to the array of optical fibers or the array of optical waveguides.
7. The optical biomodule according to claim 5 , further comprises an array of lenses for optical coupling the fluorescence emission in each microcapillary within the array of microcapillaries, prior to transmitting the fluorescence emission to the array of optical fibers or the array of optical waveguides.
8. The optical biomodule according to claim 1 , wherein the device or the array of device for detecting fluorescence comprises a charged-coupled detector or a complementary metal-oxide-semiconductor (CMOS) detector, or an array of charged-coupled detectors or an array of complementary metal-oxide-semiconductor (CMOS) detectors for detecting the fluorescence emission in each microcapillary within the array of microcapillaries.
9. The optical biomodule according to claim 1 , wherein the biomarker binder further comprises: a fluorescence amplifier or a nanoshell,
wherein the fluorescence amplifier comprises the fluorophore or the quantum dot fluorophore,
wherein the fluorescence amplifier further comprises one or more metal particles and a DNA,
wherein the nanoshell comprises a metal barcode or an optical barcode.
10. The optical biomodule according to claim 9 , wherein the nanoshell further comprises a paramagnetic nanoparticle.
11. The optical biomodule according to claim 1 , further comprises an optical device for optical path switching of the fluorescence emission in each [fluidic container] microcapillary within the array of [fluidic containers] microcapillaries, prior to transmitting the fluorescence emission to the device or the array of devices for detecting the fluorescence emission.