B01J20/268

SENSING DEVICE FOR DETECTING ANALYTE CONTAINING NON-METALLIC ELEMENT, AND METHOD THEREOF
20210109018 · 2021-04-15 · ·

The present invention provides a sensing device for detecting an analyte containing a non-metallic element such as F. A working sensor has a 3D array of voids each having a void internal wall. The void internal walls have cavities each having a cavity internal wall made from a material containing the non-metallic element. A binding of the analytes to the cavities induces a detectable variation of the optical property of the 3D array of voids. The invention exhibits numerous technical merits such as high sensitivity, high specificity, fast detection, ease of operation, low power consumption, zero chemical release, and low operation cost, among others.

PROCESS OF PREPARING 3D ARRAY OF PARTICLES AND EXEMPLARY APPLICATION THEREOF IN SENSOR FABRICATION
20210109095 · 2021-04-15 · ·

The present invention provides a novel and efficient process of preparing a highly organized 3D array of particles by stacking multiple 2D arrays of the particles. The 3D array of particles so prepared is used in fabrication of sensors, such as molecular imprinted photonic (MIP) crystal sensor. The sensor has a 3D array of voids each having a void internal wall. The void internal walls have cavities each having a cavity internal wall made from a material containing the non-metallic element. A binding of the analytes to the cavities induces a detectable variation of the optical property of the 3D array of voids. The invention exhibits numerous technical merits such as high sensitivity, high specificity, fast detection, ease of operation, low power consumption, zero chemical release, and low operation cost, among others.

Molecularly imprinted polymers for sequestering acetate and other molecules

Molecularly imprinted polymers (MIPs) capable of binding acetate and other target molecules, processes for their production, pharmaceutical compositions comprising the MIPs, and methods of using the MIPs and pharmaceutical compositions for binding target molecules and for treating conditions associated with accumulation of acetate and other target molecules.

Programmable polymer caffeine extraction

The invention relates to a caffeine-templated MIP copolymer matrix and devices employing these polymers that exhibit high absorbance or binding capacity for caffeine while retaining rapid caffeine uptake kinetics, and which function in both cold and hot aqueous environments to selectively remove caffeine from a beverage with a high selectivity factor in order to better preserve the sensory aspects of the decaffeinated beverage, and which can easily be used by a typical consumer to treat their beverage within a short time frame of less than about one minute. More specifically, the invention relates to copolymeric MIP matrices produced according to methods wherein the template to polymer ratio is dramatically increased in order to raise the affinity of the resulting MIP materials, and hyper-crosslinked MIP matrices produced using higher amounts of crosslinking agents to produce high affinity copolymer matrices that better maintain a high degree of selectivity towards caffeine while minimizing the uptake of congeners to better maintain the sensory characteristics of the decaffeinated beverages. The invention further relates to manual and mechanical devices employing the inventive MIP matrices in a variety of physical forms and configurations that enable a user to decaffeinate a beverage manually or automatically within one minute or less, or select a level of decaffeination by controlling the exposure time to said devices.

MOLECULAR SENSOR PREPARATIONS AND USES THEREOF
20200371096 · 2020-11-26 · ·

The present invention relates to a method of preparing a molecular sensor that is specific for a target molecule having a saccharide or peptide region. The method comprises using the target molecule as a template and incubating the template with a receptor to form a template-receptor complex. A molecular scaffold is formed on a surface around the template-receptor complex such that the receptor and at least a portion of the template are embedded in the scaffold, and the template is removed to produce a cavity defined by the scaffold, such that the cavity is complementary to at least a portion of the saccharide or peptide region of the target molecule.

Molecularly imprinted polymers for sequestering acetate and other molecules

Molecularly imprinted polymers (MIPs) capable of binding acetate and other target molecules, processes for their production, pharmaceutical compositions comprising the MIPs, and methods of using the MIPs and pharmaceutical compositions for binding target molecules and for treating conditions associated with accumulation of acetate and other target molecules.

MOLECULARLY IMPRINTED FLUORESCENCE SENSOR BASED ON CARBON DOTS FOR DETECTING CHLORAMPHENICOL AND ITS PREPARATION METHOD AND ITS APPLICATION
20200348231 · 2020-11-05 ·

The present invention discloses a molecularly imprinted fluorescence sensor based on carbon dots for detecting chloramphenicol (CAP) and its preparation method and its application. This invention uses carbon dots (CD) as fluorescence carrier and molecularly imprinted membrane (MIP) as enrichment container to synthesize fluorescent molecularly imprinted material with core-shell structure so that to achieve a rapid and specific detection of CAP. The reverse micro-emulsion method was used, firstly a reverse microemulsion system was established, CAP was used as a template molecule in the water phase, and a molecularly imprinted membrane was synthesized on the surface by using CD as a carrier. The prepared material is nano-sized microspheres with excellent water-dispersibility and stability. It has good sensitivity to the target substance CAP, rapid detection speed, strong specific selectivity, strong chemical stability and low cost, and has good application prospects in the detection of CAP.

Molecularly imprinted polymer beads for extraction of metals and uses thereof

The present disclosure provides Molecularly Imprinted Polymer (MIP) technology for selectively sequestering one or more target molecules from chemical mixtures. Also disclosed herein are MIP beads and methods of making and using thereof.

Caffeine-adsorbing material, caffeine-adsorbing system, decaffeination system, and related methods of removing caffeine from solutions

Caffeine-adsorbing materials, caffeine-adsorbing systems, and decaffeination system suitable for removing caffeine from a solution; methods for removing caffeine from a solution; and methods of making the caffeine-adsorbing materials are described.

STORAGE OF CODES IN MOLECULARLY IMPRINTED POLYMERS

Disclosed is a molecularly imprinted polymer for storing a defined value of a numerical code, more particularly a binary code, in the molecular imprints of said polymer, and a method for the production of said polymer. The molecular imprinting process uses suitable templates comprising a defined sequence of at least two different structural units, each having a different chemical functionality.