42 results about "Olfactory system" patented technology

A set of volatile markers are determined which are characteristic of a particular condition or disease, and which will be found in the exhaled breath of a person or odor from other parts of a body or from an entity. These markers are detected in the breath odor or gaseous emanations from the body or entity noninvasively using a volatile substance detector of sufficient sensitivity, such as an artificial olfactory system. The detected marker data is processed in an artificial neural network/fuzzy filter system with an algorithm that intelligently adapts to the individual body or entity and also optionally (if necessary) with a correction algorithm to eliminate environmental and other erroneous contributions to the markers. Any number of markers may be used, depending on how well they correlate with the condition and how accurate a result is desired, i.e. general screening or accurate diagnosis and monitoring.

An aromatherapy delivery system for people and animals allows targeted placement of scents in close proximity to the olfactory system to provide the continuous, stimulating, relaxing, therapeutic and/or medicinal effects desired by the aromatherapist. The inventive system comprises a sewn, double-layered pouch of vapor-permeable material with sealable opening for inserting aromatic sachet materials, either loose or contained in a small bag. The device thus filled with aromatics is worn around the neck, wrist or leg, and is retained in place by suitable attachment device such as hook and loop strips. The preferred bandana-shaped embodiment is generally triangular with elongated tabs extending from opposed apexes in which the third (depending) apex of the pouch contains the replaceable sachet mixture. Aromatic vapors are diffused through the air at normal temperatures or activated through other means, such as through body heat generated by exercise or by manual kneading or squeezing of the pouch.

The invention discloses a method for evaluating mustard sauce flavor grades by a taste system and an electronic nose, and belongs to the technical field of condiment analysis and identification methods. The method includes the steps of acquiring intelligent sensory data of mustard sauce by an electronic tongue taste system and an electronic nose olfactory system; performing digital processing for traditional sensory evaluation indexes; analyzing relations among the acquired sensory evaluation indexes, stoichiometric indexes and the intelligent sensory data by the aid of a random forest model; evaluating sensory grades of mustard sauce flavor. According to the method, objectivity and accuracy of sensory evaluation of the mustard sauce can be effectively improved, and the method is simple to operate, low in sample consumption and cost and short in consumed time and has high popularization and application values.

An apparatus, module, methods and systems for automated, standardized assessment and analysis of a human olfactory system's odor detection ability as an indicator or predictor of cognitive impairment or change in cognitive health, and other health conditions such as diabetes. Notably, the present invention is operable for use across all age groups of humans and provides quantitative detection and analysis of a human olfactory system's detection ability compared to a relevant demographic population.

An array of sensor elements is formed by the incorporation of sensing materials into porous structures, creating sensing systems with extremely large surface areas with sensing molecules attached to mimic the large number of cilia of an olfactory system. In each sensor element, the sensing material or molecules are attached to spacer molecules or groups, which are attached to linker molecules or groups, which are attached to the porous substrate material. More specifically, a porphyrin doped aerogel material is used. The porphyrin sensing material is attached to the aerogel throughout its high surface area pore space. The porphyrin is covalently bonded to the silica network of the aerogel with a triethoxysilyl group linker that covalently attaches to the aerogel, and an alkyl group spacer.

The invention discloses a material smell olfactory frequency extraction method, and provides the definition of material smell olfactory frequency. An SMA (Superposition Mapping Analysis) algorithm is provided for distinguishing training samples for material smell, a chemical matching table of the material smell is combined, a balanced binary tree of the afterward traversal rule is taken as a storage structure, an attribute library for the samples of the material smell is established, and the smell of an unknown material is identified; a material smell composition proportion and concentration model is established for realizing concentration real-time extraction of the material smell. The invention provides the material smell olfactory frequency extraction method by using a bionic olfactory system, the material smell olfactory frequency extraction method has the advantages of fast detection, high accuracy, stable performance and the like, and a premise foundation is provided for realizing remote network transmission of the material smell.

A method of detecting an imbalance of nutrients in an individual is disclosed. The method comprising administration of a smell test, wherein the smell test comprises one or more support members and one or more nutrients that are aroma-intensified and incorporated into one or more support members, the method further comprising the steps of: (a) designating a number for each nutrient to create a nutrient list; (b) designating a score system that allocates numerical values to describe the smell associated with each nutrient; (c) smelling the nutrient to obtain a registered smell; (d) allocating a score to the registered smell of the nutrient; (e) identifying the nutrient by consulting the nutrient list of step (a); and (f) tabulating and calculating numerical values obtained for each nutrient to obtain information on balance, surplus or deficiency of the one or more nutrients.

The invention discloses a simulation system in fields of biology and medical science. In the system, a computer inputs simulation parameters to a control unit by a bus; the control unit controls a light source driving unit to generate output light with a specific mode according to the input parameters; an optical fiber coupling unit couples the output light to an optical fiber probe; the optical fiber probe performs light output and irradiates the light to selected olfactory glomeruli; the olfactory glomeruli are induced to form an olfactory active electric signal under photostimulation; and a recording electrode acquires the olfactory active electric signal and transmits the signal to an operational amplification unit, so that the signal is inputted to the computer by the control unit to be displayed, stored and processed. In the simulation system, the olfactory glomeruli expressing photosensitive proteins with different types are subjected to the photostimulation in different modes, the electric physiological signal and behavioral expression of the olfactory glomeruli are recorded and analyzed, and the codes and identification of an olfactory system on various kinds of smell stimulation and the law of processing, integration and transfer of the signal in the olfactory system are studied to disclose an operating mechanism of the olfactory system.

The invention discloses a method for quickly detecting traditional Chinese medicine decoction pieces quality by adopting electronic sensory integration. The method for detecting is composed of a datacollection system, a data integration system and a mode recognition system; the data collection system comprises an electronic sensory touch system, an electronic sensory vision system, an electronicsensory olfactory system and an electronic sensory gustation system; the electronic sensory touch system and the electronic sensory vision system are used for detecting the hardness, the brittleness,the mealiness, the fibering and like physical characteristics; the electronic sensory vision system is used for detecting the appearance and optical signal data of the decoction pieces; the electronicsensory olfactory system and the electronic sensory gustation system are used for detecting the gas and taste data of the sample, the measured data is transmitted to the data integration system to perform data conversion integration, and then enters the mode recognition system to match with the corresponding sub-model, and finally, a quality detection result of the decoction pieces is output; thetesting is accurate, the true and false, the base source, the place of origin, the level and like detection problems can be effectively solved, the clinical medication is guaranteed, and the method has strong actual application value, obvious economic and social benefit.

A method to develop inexpensive inorganic polymeric sensors that can provide a sensitivity and selectivity for explosive nitroaromatic compounds. Selectivity is provided by the arrays of 12 different reactive fluorescent sensors to mimic the human olfactory system. The sensors are based on photoluminescence quenching of polymers containing metalloid-metalloid backbones such as Si—Si, Si—Ge, or Ge—Ge. The sensor employs a thin film of photoluminescent copolymers, which is stable in air, water, acids, common organic solvents, and even seawater containing bioorganisms. The detection method involves measurement of the quenching of photoluminescence of the polysilole by the analyte.

The invention discloses dsRNA designed based on an Orco gene of periplaneta americana, and a coding gene, a preparation method and an application thereof. The dsRNA is a double-stranded RNA composed of a nucleotide sequence shown in SEQ ID NO.1 and used as a positive-sense strand and a nucleotide sequence reversely complementary to the nucleotide sequence shown in SEQ ID NO.1 and used as an antisense strand. The dsRNA can be widely applied in preparation of products for preventing and treating the periplaneta americana, interfering the chemical communication of the periplaneta americana or controlling the mating and reproduction of adult periplaneta americana, or preventing and controlling the periplaneta americana and other insects having the same gene target sequence. By blocking key genes of an olfactory system of periplaneta americana, the induction effect of sex pheromone to male insects is inhibited, mating and reproduction of the periplaneta americana can be effectively controlled, and a new technology and strategy are provided for prevention and control of the periplaneta americana.

A system and method for treating acute migraine events utilizing multiple sensory/receptive channels (olfactory, audio, visual and other sensory receptors) to both treat and optimize delivery to the afflicted sites in the brain. One of the primary migraine treatment methods includes a composition delivered through the olfactory system. Absorption through the nasal membranes is rapid and avoids delays and dilution inherent in methods using the mouth and gastro-intestinal (GI) processing. Effective, but less preferred methods that avoid GI delays and dilution include delivery as eyedrops or as an intravenous infusion. The effective composition comprises a caffeinic substance to bind and antagonize adenosine receptors in the brain. This immediately blocks continued action of adenosine to dilate the afflicted vessels and inflict pain. The composition also incorporates cannabinolic substances which work simultaneously or in parallel using the body's natural endocannabinoid pathways to rebalance and control blood flow to minimize swelling and pain. Additional features may incorporate additional active components. One available feature may incorporate a recipient/patient control modulus where the patient adjusts treatment using a feedback device such as a stimulation button to increase or adjust delivery. Another additional feature comprises one or more essential oils. Although some essential oil compositions may themselves include one or more compounds that contribute to the desired cannabinolic effects, adding essential oils even those lacking an inherent cannabinolic effect can contribute to effective treatment. Fragrant inclusions in an essential oil additive may provide a calming stimulation to the olfactory system that supports reduced tension and relaxation and thereby removes a tension induced exacerbation of migraine progression.

The invention provides a gas generating device and a virtual olfactory system. The gas generating device structurally comprises two gas generating components, a shell, a gas send-out component and a control module layer. Each gas generating component comprises a gas container and a microporous atomizing sheet at the bottom of the same. The shell which wraps the gas generating components is a tubular body and internally provided with a fixing plate for fixing the gas containers. The gas send-out component is arranged under the gas generating components and comprises a rotating component, an exhaust part with a vent port, and an exhaust fan. The control module layer is positioned above the shell and covers the upper end of the body. The gas generating device has advantages that by the rotating component for driving the exhaust part to rotate, the position of the vent port is adjustable, and gas can be quickly discharged from the vent port through the exhaust fan, so that the problem of low gas send-out efficiency in the prior art is solved. The virtual olfactory system comprises the gas generating device and an upper computer. The upper computer sends gas generating request to the gas generating device according to receiving scene identifications, and the system generates different virtual smells to fit different scenes.

Disclosed is a method for detecting and identifying toxic and harmful gases based on machine olfactory. Information about the toxic and harmful gases is firstly collected through the machine olfactory system and then analyzed through a Selected Linear Discriminate Analysis (SLDA) combined with a Markov two-dimensional distance discriminant method to identify various toxic and harmful gases. The algorithm disclosed in the invention extracts the characteristic information of the sample data, and then fast processes and identifies the information as a linear recognition algorithm does, having wide applications in the field of machine olfaction, especially in detecting and identifying the toxic and harmful gases in real-time based on machine olfaction. The algorithm involves low complexity and high recognition efficiency.

The invention belongs to the technical field of smell analysis, and discloses a self-organizing map based artificial olfactory system online correction sample generation method. The method comprises an initial training stage and an online updating stage. In the initial training stage, a self-organizing map neural network multi-layer structure is constructed according to the number of sample categories, self-organizing map neural network neuron weight initialization is performed according to training samples, the self-organizing map neural network neuron weights are enabled to act as an initial training sample set; and in the online updating stage, and adjustment is performed on local region neuron weights by using a test sample according to a classification result of a follow-up classifier. The current self-organizing map neural network neuron weights are enabled to act as an online training sample set to perform online correction on a mode recognition method. Results show that the method can improve the long-term drift resisting capacity of an artificial olfactory system under an online working condition, can automatically generate a correction sample in the online working process and provides guarantee for the artificial olfactory system to realize automatic online correction.

The invention provides an explosive-handling robot which comprises a body, a controller, an L-shaped X-ray detection rack and a smell detector. A servo drive system is arranged at the bottom of the body. The two sides of the servo drive system are connected with walking wheels. A grabbing arm base is arranged at one end of the body. Compared with the prior art, the explosive-handling robot has thefollowing beneficial effects that X-ray image processing and recognition and electronic nose smell data analysis and recognition are achieved; the structure of the robot is compact; and a telescopicmechanical arm and the L-shaped X-ray detection rack are arranged, and meanwhile a machine vision and olfactory system is arranged. Suspicious luggage and packages can be subjected to planar object multi-dimensional scanning, inner molecule and atom sequence data are analyzed, and therefore the threats of timers, TNT hazardous chemical substances, explosives, drugs, weapons of mass destruction, prohibited goods and the like are accurately judged.

The invention relates to an artificial olfactory system, which includes a test room, a signal processing box, a gas collection box and a host, the test room, the signal processing box and the host are connected in sequence, wherein the signal processing box is arranged at the lower part of the gas collection box, and the gas collection box A test board is arranged vertically inside the box, and several gas sensors are evenly distributed on the test board. The artificial olfactory system of the present invention uses a genetically optimized combined RBF neural network to construct an artificial olfactory system suitable for meat freshness detection with a recognition rate of 95%. The system of the present invention has a simple connection structure and strong practicability.

A composition, system and method for modifying an olfactory response to an odorant is disclosed. In some embodiments, the composition includes crystalline metal nanoparticles dispersed in an aqueous medium. The composition is applied to olfactory tissues using a suitable applicator or dispenser. The metal nanoparticles are believed to interact with a G-protein coupled to receptor located in the cilia to moderate (enhance or reduce) sensitivity or ability to smell particular odorants. In accordance with an embodiment of the invention, the composition includes one or more odorants.