104 results about "Olfactory receptor" patented technology

A subgenus of olfactory receptors (ORs) that are activated by isovaleric acid (IVA) are identified as well as assays that utilize one or more of these ORs. These assays are useful for identifying potential anti-odorants which may be used in deodorants, air and carpet fresheners, fabric deodorizers, and other compositions for camouflaging odor attributable to IVA and related carboxylic acids.

The invention provides a bio-sensing nanodevice comprising: a stabilized G-protein coupled receptor on a support, a real time receptor-ligand binding detection method, a test composition delivery system and a test composition recognition program. The G-protein coupled receptor can be stabilized using surfactant peptide. The nanodevice provides a greater surface area for better precision and sensitivity to odorant detection. The invention further provides a microfluidic chip containing a stabilized G-protein coupled receptor immobilized on a support, and arranged in at least two dimensional microarray system. The invention also provides a method of delivering odorant comprising the step of manipulating the bubbles in complex microfluidic networks wherein the bubbles travel in a microfluidic channel carrying a variety of gas samples to a precise location on a chip. The invention further provides method of fabricating hOR17-4 olfactory receptor.

The present invention comprises compositions methods and cell lines related to controlling insects. An embodiment of a composition comprises a plant essential oil and targets at least one receptor of insects chosen from tyramine receptor, Or83b olfactory receptor, and Or43a olfactory receptor, resulting in a change in the intracellular levels of cAMP, Ca2+, or both.

A method of modifying perception of a malodor, such as the stench associated with putrefying flesh, by selectively affecting specific olfactory receptors in an individual is disclosed. Disclosed are articles of manufacture and especially innovative compositions effective in implementing the method of the present invention including at least three plant extracts.

The invention relates to the identification of carboxylic acids, present in human sweat, as natural ligands of a specific subgroup of seven olfactory receptor (OR) belonging to class 1 within the OR classification. The invention encompasses the use of the interaction of OR polypeptides and carboxylic acids as the basis of screening assays for agents that specifically modulate the activity of the seven ORs of the invention.

The invention provides a bio-sensing nanodevice comprising: a stabilized biologically-derived G-protein coupled receptor—the olfactory receptor—on a support, a real time receptor-ligand binding detection method, an odorant delivery system and an odorant recognition program. The biologically-derived G-protein coupled receptor can be stabilized on nanotechnology using surfactant peptide. The said nanodevice provides a greater surface area for better precision and sensitivity to odorant detection. The invention further provides a microfluidic chip containing a stabilized biologically-derived G-protein coupled receptor—the olfactory receptor—immobilized on a support, and arranged in at least two dimensional microarray system. The invention also provides a method of delivering odorant comprising the step of manipulating the bubbles in complex microfluidic networks wherein the bubbles travel in a microfluidic channel carrying a variety of gas samples to a precise location on a chip. The invention further provides method of fabricating hOR17-4 olfactory receptor.

The present invention comprises compositions, methods and cell lines related to controlling insects. An embodiment of a composition comprises a plant essential oil and targets at least one receptor of insects chosen from tyramine receptor, Or83b olfactory receptor, and Or43a olfactory receptor, resulting in a change in the intracellular levels of cAMP, Ca2+, or both in the insects.

A medium is analysed for the search for an odorous biological molecule characteristic of a specific substance in an environment to be studied comprising the steps of: exposing a component containing at least one olfactory biological receptor, capable of selectively attaching the type of odorous molecule sought, to an atmosphere taken from the environment to be studied; irradiating that component by means of an incident laser radiation having a wavelength chosen in the ultraviolet close to the absorption wavelength for the olfactory receptor, to cause the excitation of a resonance Raman scattering in the irradiated component; and analysing the Raman spectrum obtained to determine whether or not it corresponds to the Raman spectrum of the olfactory receptor having attached an odorous molecule of the type sought in the atmosphere sampled, so as to identify any presence of the specific substance mentioned in the environment to be studied. The method applies particularly to the identification of toxic or hazardous substances in packaged products or objects or where access to them is difficult, for example during transit.

The invention belongs to the technical field of semiconductor devices and integrated systems and discloses a quantum dot-based electronic nose chip and a design method thereof. The design method includes the following steps that: (1) a gas sensor array on the electronic nose chip is designed; and (2) a signal processing unit and a micro control unit are designed. The step (1) further includes thefollowing steps that: (1-1) with a quantum dot material adopted as an olfactory acceptor material, a quantum dot gas sensor unit is designed, specifically, a resistive or field effect transistor typesensor unit on a substrate is designed; and (1-2) a quantum dot sensor array of an MEMS or TFT device structure is designed based on the quantum dot gas sensor unit. According to the quantum dot-basedelectronic nose chip and the design method thereof of the invention adopted, the quantum dot material is adopted as the olfactory receptor material; the micro-nano gas sensor is designed and prepared; the sensor array is obtained on the basis of the MEMS and TFT device structure; and the MCU containing a pattern recognition algorithm, and the signal processing unit are integrated on the chip, andtherefore, the quantum dot-based electronic nose chip which has the advantages of high sensitivity , small size and low power consumption can be obtained.

The invention discloses a medicine for accelerating brain recovery after anesthesia and improving cognition through the nose through the olfactory pathway. Mixture, which can also add other natural spices and native plant essential oils such as lemon essential oil, rosemary essential oil, clove essential oil and neroli essential oil, etc. The medicine, aromatic smell substance or plant essential oil of the present invention stimulates the olfactory nerve through the nose or mouth, regulates the olfactory center of the brain through the olfactory pathway and then affects the secondary olfactory center, so as to refresh the brain, improve the cognitive function of the brain and improve the brain function; moreover These important natural aromatic substances or essential oils directly regulate the instinctive olfactory nerves and play a regulatory role through specific olfactory receptors without any side effects.

Suggested is a method for evaluating the scent performance of perfumes or perfume mixtures, wherein at least one odorant is brought into contact with an olfactory receptor selected from the group consisting of OR1B1, OR2L8, OR4X2, OR4C16, OR5L1, OR8B4, OR8D2, OR10A6, OR10C1, OR12D2, OR524, OR4E2, OR4P4, OR4K2, OR4C3, OR5I1, OR10Q1 and measuring the response of the receptor.

The invention discloses a method for detecting an odor substance butanedione based on an olfactory receptor sensor. The method comprises the following steps of: at first, expressing olfactory receptor protein ODR-10 with a His6-tag on an HEK-293 cell surface, extracting and effectively immobilizing the olfactory receptor protein ODR-10 on a quartz crystal microbalance surface through an aptamer so as to form the olfactory receptor sensor; testing a series of odor material butanedione with different set concentrations, thus obtaining a butanedione-resonance frequency variation standard curve; and then, testing a gas which has unknown concentration and needs to be tested, thereby obtaining the concentration of the odor substance-butanedione in the gas to be tested according to the quartz crystal microbalance resonant frequency and the butanedione-resonance frequency variation standard curve. The method is simple in required instrument and convenient to operate, a problem that the olfactory receptor protein ODR-10a of a sensitive element and a quartz crystal microbalance are stably coupled with each other is solved, and the odor substance butanedione is quickly and specially detected.

It is intended to provide a substance inhibiting an odor caused by sotolone. The present invention provides an inhibitor of an odor caused by sotolone, comprising an antagonist of an olfactory receptor OR8D1 as an active ingredient.

An object is to provide a health drink which gives a real feeling of a preventive effect and ameliorative effect against skin aging and stress, and it is confirmed that when a drink in which glutathione is added to a conventional drink containing chondroitin, hyaluronic acid, and vitamins is taken, a concentration of blood DHEA-S, which is considered to be an indicator of rejuvenation, is significantly elevated, promoting gene expressions of olfactory receptors and the like, and remarkably ameliorating skin condition, total mood disturbance, autonomic nerve balance, and overall health condition.