Detection little compounds pheromones. Medical search. Frequent questions

It is mainly implicated in the detection of volatile compounds signaling danger as the alarm pheromones emitted by stressed conspecifics, but also by several categories of kairomones emitted by the urine of predatory carnivores. (wikipedia.org)
We propose the identified pheromone, comprised by a combination of volatile and contact acting components, improves oviposition site selection efficiency by pepper weevils on discrete hosts. (usda.gov)
For the separation and measurement of light fractions of hydrocarbons (products of the metabolism of microorganisms - CH4, C2H4), volatile organic compounds. (gamtostyrimai.lt)
In environmental terms, this bio-inspired device could make it possible to measure infinitesimal traces of pollutants such as volatile organic compounds, which have become a major health issue. (robaid.com)
Fruit flies typically release volatile compounds, usually interpreted as sex pheromones, as an integral element of their sexual biology. (edu.au)
This PhD thesis also examined the most common techniques for sampling rectal glands and headspace volatile compounds of fruit flies, using B. tryoni as a model organism as it has been studied previously for its chemistry. (edu.au)
Both male and female B. tryoni were found to emit a wide range of volatile compounds, including acetamides, spiroacetals and esters. (edu.au)

It is long established that queens of social insects, including termites, maintain their reproductive dominance with queen primer pheromones (QPPs). (researchgate.net)

Male and female insects also often rely on the production and detection of pheromones to find each other and mate. (independent.com)
Termites are eusocial insects known to use a variety of pheromones in tasks necessary for maintenance of their societies. (researchgate.net)
Examples are pheromones of insects, which control many aspects of their behaviour such as mating, feeding and egg-laying and are amongst the most biologically-active compounds known. (nri.org)
A three component powder form comprising of urea as host cum fertilizer, oleic acid as an insect pheromone and an insecticide for killing/ disabling the insects was prepared. (ijpsonline.com)
Neural coding of pheromones has been intensively studied in insects with a particular focus on sex pheromones. (jneurosci.org)
Neural coding and processing of pheromone information have been studied intensively in insects, strongly focusing on sex pheromones. (jneurosci.org)
Consequently, such a coding scheme may not be adapted for species that use a wide range of different pheromones (often including many different components), such as social insects. (jneurosci.org)
Pheromones are ectohormones or the chemical compounds secreted by the insects and other animals that acts as chemical messenger for communicating with the individuals of similar species. (medium.com)
Increasing demand for more efficient pest management which leads to less pesticide resistance insects, has driven global attentional towards the non-toxic pheromones in the agricultural operations. (medium.com)
They work by releasing synthetic pheromones that mimic the scent of female bed bugs and act as an attractant to male and nymphal (juvenile) insects. (best10mattress.com)
This protects the plant for an entire year, from insects such as apple moth, grape moth, olive moth, and more, potentially with multiple pheromones in the same product to control few key insects. (v-expos.com)

Female weevils tend to avoid fruit that other female weevils previously layed eggs on (oviposit) and scientists at USDA-ARS Center for Medical, Agricultural, and Veterinary Entomology, Gainesville FL, in collaboration with colleagues at Tennessee State University and University of Florida, found that an oviposition deterring pheromone was present in the plug. (usda.gov)

Other biologically active compounds such as ipsdienol and verbenone have al. (researchgate.net)

We investigated the composition of the sex pheromone of this species. (gc.ca)
Our data revealed differences between the pheromone composition of A. goyerana and that reported for A. argyrospilus, which could account for the apparent absence of cross-attraction between these species. (gc.ca)
We have made major progress towards identifying the sex pheromone of the grape mealybug, the last of the four mealybug species of importance to the wine and grape industries in the western United States that we had targeted for pheromone identification and development. (avf.org)
trail-following pheromones (TFPs) and sex-pairing pheromones (SPPs), for example, have been identified in many termite species. (researchgate.net)
However, pheromones play crucial roles in an insect's life beyond sexual attraction, and some species use many different pheromones making such a labeled-line organization unrealistic. (jneurosci.org)
Depending on the fungal prey species, chemotropic responses resulted in either increased or decreased directional colony extension and hyphal density at the colony periphery closest to the test compound source. (frontiersin.org)
The presented assays will be useful for screening of candidate compounds, and for evaluating their impact on the developmental spectrum of T. atroviride and other related species alike. (frontiersin.org)
Analysis showed that esters and spiroacetals were the two electrophysiologically active classes of compounds in these four species. (edu.au)
These demonstrated that it is possible to isolate the unique signal derived from walking by an ambrosia beetle, which could be used for species detection in traps deployed in ornamental nurseries. (auburn.edu)
Moths sniff out others of their own species using specific pheromone blends. (utah.edu)
So if you transplant an antenna - the nose, essentially - from one species to another, which blend of pheromones does the moth respond to? (utah.edu)
Moths with transplanted antennae responded instead to a similar yet novel pheromone blend not naturally produced by either species, according to University of Utah research published online Jan. 27 in PLOS ONE . (utah.edu)
Moth species develop their own highly specialized sensitivities to odorants and pheromone blends. (utah.edu)
The most attractive blend was neither the recipient species' A, B and C nor the donor species' A and E. Nearly 75 percent of the transplanted moths that responded to pheromones were attracted to either a blend of A, E and C or A, E, and D. The transplanted moths were "reading" the presence of a female from a pheromone blend not seen in nature. (utah.edu)

Biosynthesis of the insect pheromone (S)-4-methyl-3-heptanone. (mpg.de)

By means of the MS902 spectrometer, insect pheromones and defense compounds, for instance 1-nitropentadecene in termites or pyrido[2,3-b]pyrazins in springtails, were identified for the first time in Czechoslovakia. (uochb.cz)
Unraveling the intricacies of how different stages of Diabrotica beetles sequester defense compounds for their own protection. (unine.ch)

Coupled gas chromatography-electroantennographic detection (GC-EAD) analyses indicated that male antennae were sensitive to four compounds [(Z)-11-tetradecenyl acetate (Z11-14:OAc), (E)-11-tetradecenyl acetate (E11-14:OAc), (Z)-9-tetradecenyl acetate (Z9-14:OAc), and (Z)-11-tetradecen-1-ol (Z11-14:OH)] present in female abdominal tip extracts in an approximately 100:1.5:0.6:10 ratio. (gc.ca)
Development of coupled gas chromatography-electroantennogram detection techniques that allowed us to use the antennae of male grape mealybugs as living detectors has clearly shown that extracts from virgin females contain a single pheromone component that elicits strong and consistent responses from the antennae of males. (avf.org)
Coupled gas chromatographic (GC)-electroantennographic detection (EAD) analyses of ovipositor extract of calling Hessian fly, Mayetiola destructor, females revealed that seven compounds elicited responses from male antennae. (slu.se)
They focused on the antennal lobe of the brain, where axons from the antennae, conveying detection of odorants, connect to globular odor processing structures called glomeruli. (utah.edu)

Pheromone Olfaction Grüneberg, H (1973). (wikipedia.org)

Ongoing field trials with the longtailed and obscure mealybug pheromones in California, South America, New Zealand, and Australia, in vineyards, nurseries, and cotton, have demonstrated that these pheromones are highly attractive to male mealybugs, as with the pheromone of the vine mealybug that we identified earlier in this project. (avf.org)
In Napa, four golden retrievers named Ros, Rigo, Richardson and Rousek sniffed out the pheromone of female mealybugs at Honig Vineyard & Winery during a pilot project in 2005. (wineenthusiast.com)

and evaluates the detection and function of natural blends of both sexes by gas chromatography-electroantennogram detection and/or gas chromatography-electropalpogram detection and Y-tube olfactometry. (edu.au)

The major attractants available are synthetic compounds that closely mimic what a female releases to attract her mate. (independent.com)
A few other compounds that attract both sexes can be used as well and manufacturers have come up with several versions of traps baited with these decoys. (independent.com)
These traps use synthetic pheromones to attract and trap bed bugs, but may not catch all of the bugs in an infested area. (best10mattress.com)
The component compounds of the D. perniciosus pheromone do not attract males of D. ostreaeformis . (naturalis.nl)

Since sensilla are able to detect just a few pheromone molecules, the researchers sought this as an opportunity to mimic their structure. (robaid.com)

Thus, we have unequivocally located the pheromone compound in the extracts. (avf.org)
By combining pheromone extracts collected over several years, we have a few micrograms of the pheromone. (avf.org)
Eleven phenolic compounds were identified and quantified in extracts of leaves and fruits that showed significant bioactivity. (academicjournals.org)
Four of the compounds-(2S)-tridec-2-yl acetate, (2S,10Z)-10-tridecen-2-yl acetate, (2S,10E)-10-tridecen-2-yl acetate, and (2S,10E)-10-tridecen-2-ol-were identified previously in female extracts. (slu.se)

A combination of microchemical tests, mass spectrometric analysis, and gas chromatographic analyses have shown that the compound is an ester of a previously unknown monoterpene alcohol. (avf.org)
Hierbij werden alle vluchtige moleculen in de ruimte bemonsterd en chemisch geanalyseerd en werden kandidaat-semiochemicaliën achteraf geselecteerd met statistische analyses. (scriptiebank.be)

They also rely on chemical signals released through pheromones and auditory signals emitted through sounds or vibrations. (loyalfishing.com)
Pheromones are chemical signals that are naturally produced by the body and play a role in attracting others. (perfumeson.com)
Pheromones, those mysterious chemical signals that animals emit to communicate with others, have long fascinated scientists and the general public alike. (perfumeson.com)

After purification by preparative gas chromatography, this should be provide sufficient material for final, unequivocal identification of the pheromone within the next few weeks. (avf.org)
It might be possible to utilize this knowledge in integrated pest management strategies to control this pest and the discovery of an unusual type of pheromone can guide the identification of similar pheromones produced by other Anthonomus pest weevils. (usda.gov)
For the detection, taxonomic identification and morphological characterisation of cultivated microorganisms. (gamtostyrimai.lt)

These scents are infused with pheromones that are compatible with humans, allowing them to blend seamlessly with your bodys natural chemistry. (perfumeson.com)
This combination creates a potent blend that enhances your natural pheromone signature, making it more appealing and irresistible to others. (perfumeson.com)
Furthermore, the five-component blend was more attractive than a blend with the same compounds but that contained one tenth the concentration of (2S,8E,10E)-8,10-tridecadien-2-yl acetate (more accurately mimicking the ratios found in female extract). (slu.se)
Also, a small-plot field test demonstrated the attractiveness of the five-component blend to male Hessian flies and suggests that this pheromone blend may be useful for monitoring and predicting Hessian fly outbreaks in agricultural systems. (slu.se)

Pheromone bed bug traps can help detect and reduce bed bug infestations by luring them into a sticky trap using synthetic pheromones. (best10mattress.com)
Two new EAD-active compounds, (2S,8Z,10E)-8,10-tridecadien-2-yl acetate and (2S,8E,10E)-8,10-tridecadien-2-yl acetate, were identified by GC-mass spectroscopy (MS) and the use of synthetic reference samples. (slu.se)
We developed a patented platform technology of molecular encapsulation of generic natural active compounds such as pheromones or essential oils for plant protection, as an alternative for synthetic chemicals. (v-expos.com)

After joining the faculty at SU, my research was in developing molecularly imprinted polymers designed to detect low concentrations of pharmaceuticals and pesticides in environmental waters, and to investigate the potential for removal of sulfur-containing compounds from diesel fuel for pollution concerns. (susqu.edu)
No current device is able to detect such low concentrations of explosives, and it brings the results closer to those achieved by trained detection dogs. (robaid.com)
Extraction of the crushed and non-crushed rectal gland samples afforded the same range of compounds, however, the crushed glands provided higher concentrations of each compound. (edu.au)

The elucidation of pheromones in spiders is being investigated using solid phase microextraction followed by gas chromatography/mass spectrometry to potentially lead to the development of novel and natural pesticides against crop pests. (susqu.edu)
His work has had major impacts on the development of bait technologies to control tsetse fly throughout Africa, and on the use of pheromones against pests of rice, cotton, coffee and cocoa in Africa and SE Asia. (nri.org)

nsects in several orders deposit marking pheromones following oviposition which signal the presence of eggs to subsequent females. (usda.gov)
Male moths find females through pheromones, and females locate the ideal place to lay their eggs by following plant odors. (utah.edu)

Pure Instinct's signature scent is a captivating fragrance that taps into the power of pheromones to evoke raw intuition and allure. (perfumeson.com)
When it comes to pheromone perfume, the scent is essential. (perfumeson.com)
As I applied Pure Instincts Pheromone perfume for the first time, the first thing that struck me was the light and refreshing scent. (perfumeson.com)
However, when it comes to their scent, it seems that pheromones may be far from straightforward. (perfumeson.com)
The scent-detection program has proven so successful TN Coopers has trained more Labs, including four named Mamba, Zamba, Bonny and Clyde, and plans to train a new litter whose names are being decided. (wineenthusiast.com)

Three new compounds, propyl laurate, methyl myristate and N -(2-methylbutyl)acetamide, were also identified in female rectal glands and headspace samples, as well as nineteen compounds previously reported including fatty acid esters, spiroacetals and amides. (edu.au)
Detection and removal of an artefact fatty acid from the binding site of recombinant Bombyx mori pheromone-binding protein. (mpg.de)

Do Pheromone Traps Work for Bed Bugs? (best10mattress.com)
Pheromone bed bug traps may be an effective tool in the battle against bed bugs. (best10mattress.com)
Pheromone traps have been proven to detect even low levels of activity which can help identify areas at risk before further steps need to be taken with more targeted treatments. (best10mattress.com)
Pheromone bed bug traps can be useful for detecting and preventing bed bug infestations. (best10mattress.com)
When choosing a pheromone bed bug trap, opt for a reputable brand that has been tested and proven to be effective and avoid traps with exaggerated claims or harmful chemicals. (best10mattress.com)
How Effective Are Pheromone Bed Bug Traps In Bed Bug Infestations? (best10mattress.com)
To use pheromone bed bug traps effectively, place them in areas where bed bugs are suspected to be present, such as near the headboard and mattress seams. (best10mattress.com)
While pheromone bed bug traps can be a useful tool, they should be used in conjunction with other methods and not solely relied on. (best10mattress.com)
Are Pheromone Traps The Best Way To Catch Bed Bugs? (best10mattress.com)
Pheromone traps are a helpful tool in catching bed bugs, but they should not be the only method used. (best10mattress.com)
However, pheromone traps may not be effective in larger areas or high infestation situations. (best10mattress.com)
They can assess the extent of the infestation and recommend a comprehensive treatment plan that may include the use of pheromone traps along with other methods. (best10mattress.com)

Utilizing in-house developed techniques, volatiles were collected and identified from individual plugs of which only the chemical compound acetophenone elicited a behavioral response by the female weevil in lab-based bioassays. (usda.gov)

The ability of I. typographus to colonise host trees depends on its massive aggregation behaviour mediated by aggregation pheromones, consisting of 2-methyl-3-buten-2-ol and cis-verbenol. (researchgate.net)
Aside from its toxicity, methyl salicylate may be used by plants as a pheromone to warn other plants of pathogens such as tobacco mosaic virus . (wikidoc.org)

For agricultural purpose, pheromones are used for pest management through mass trapping, matting disruption, and pest detection and monitoring. (medium.com)

We focused here on the honey bee Apis mellifera , a social insect that relies on a wide range of pheromones to ensure colony cohesion. (jneurosci.org)
With the progression of colony development, host plant cues and self-generated signaling compounds remained the strongest chemoattractants. (frontiersin.org)

Owing to expensive, the penetration of the pheromones is lower in emerging and developing nations, which impacts the overall market growth. (medium.com)

Pheromones are used in many behavioral contexts, from reproduction to territoriality, aggression, kin recognition, and food and nest marking ( Wyatt, 2003 ). (jneurosci.org)

Replicating these compounds synthetically requires use of a range of analytical techniques, in order to define their precise chemical structure, and a wide repertoire of synthesis strategies. (nri.org)
These compounds are synthetically produced for agricultural use for selective pest management through minimal effects on beneficial crops. (medium.com)

Pure Instinct's Pheromone perfume aims to captivate the senses with a delightful combination of fruity top notes, warm heart notes, and a lingering musk base. (perfumeson.com)

Here, we applied three different chemotropic assays to study the chemosensing capacity of T. atroviride toward compounds known or suspected to play a role in the mycoparasite/plant or host/prey fungal interactions and to cover the complete spectrum of T. atroviride developmental stages. (frontiersin.org)

Whether worn on it's own or blended with existing favorites, this pheromone perfume is designed to create a captivating and irresistible aura. (perfumeson.com)
What Is Pheromone Perfume Supposed to Smell Like? (perfumeson.com)

On the counter side, pheromones have emerged as a greener and nontoxic method which promotes selective pest management and is nontoxic, which is driving its demand. (medium.com)

It is involved in the perception of chemical stimuli, being implicated also in the detection of pheromones. (frontiersin.org)

A cooperation between researchers from the ISL:Research for Security and Defence with the University of Strasbourg resulted with development of a molecule detection system inspired by silkmoth antennas. (robaid.com)
Once the moths had metamorphosed, they were placed in a wind chamber at Cornell, where researchers wafted various pheromone blends toward the moths to see which blends the moths responded to. (utah.edu)

We humans are loathe to admit our animal nature, but pheromones affect our mate choice . (tikalon.com)

Using optophysiological recordings of projection neurons, we compared the responses of these two pathways to 27 known honey bee pheromonal compounds emitted by the brood, the workers, and the queen. (jneurosci.org)
Purified compounds, including nutrients, the fungal secondary metabolite 6-amyl-α-pyrone (6-pentyl-α-pyrone, 6-PP) and the plant oxylipin 13-(s)-HODE, as well as culture supernatants derived from fungal preys, including Rhizoctonia solani , Botrytis cinerea and Fusarium oxysporum , were used to evaluate chemotropic responses of conidial germlings, microcolonies and fully differentiated mycelia. (frontiersin.org)
Conidial germlings proved particularly useful for simple and rapid compound screening, whereas more elaborate microscopic analysis of microcolonies and fully differentiated mycelia was essential to understand process-specific responses, such as plant symbiosis and biocontrol. (frontiersin.org)

Deciphering the odorous language used by plants that are under insect or pathogen attack, with the ultimate objective to use sensors for odour-based, real-time detection of pest and diseases. (unine.ch)

These studies favored the view that pheromone compounds are processed within specific antennal lobe glomeruli following a specialized labeled-line system. (jneurosci.org)
Moreover, all tested pheromonal compounds induce combinatorial activity from several AL glomeruli. (jneurosci.org)

Professor Hall's research is directed at reducing the use of conventional, chemical insecticides through the development of more environmentally acceptable and sustainable approaches, particularly those based on natural products such as pheromones and other semiochemicals. (nri.org)

Six new compounds that have not been reported in previous studies, ethyl propanoate, ethyl isobutyrate, ethyl 2-methylbutanoate, propyl isobutyrate, ethyl 2-methylpentanoate and diethyl succinate, were identified in the male rectal glands and headspace samples, along with six previously reported amides. (edu.au)

How Does Pure Instinct Pheromone Work? (perfumeson.com)

Pheromones is gaining higher popularity owing to non-toxic, environmentally friendly alternatives to traditional pest controlling. (medium.com)
The system is able to detect explosives with one thousand-fold of the detection limit attainable by currently used methods, and it could eventually be used to detect drugs, toxic agents and traces of organic pollutants. (robaid.com)

Our results show that germlings respond preferentially to compounds secreted by plant roots and T. atroviride itself than to compounds secreted by prey fungi. (frontiersin.org)
Furthermore, the morphological alterations of T. atroviride in response to plant host and fungal prey compounds suggest the presence of both positive and negative chemotropism. (frontiersin.org)

These encapsulated active compounds offer a slow-release of pheromones (over 220 days), allowing easy spraying, one time a season. (v-expos.com)

Anatomy12

Organisms15

Chemicals and Drugs47

Analytical, Diagnostic and Therapeutic Techniques and Equipment25

Psychiatry and Psychology7

Phenomena and Processes28

Information Science5

Health Care6

Volatile7

Primer pheromones1

Insects11

Oviposition deterring1

Biologically active compounds1

Species14

Insect pheromone1

Defense compounds2

Antennae4

Olfaction1

Mealybugs2

Chromatography-electroantennogram detection1

Attract4

Mimic1

Extracts4

Analyses2

Chemical signals3

Identification3

Blend4

Synthetic3

Concentrations3

Pests2

Females2

Scent5

Fatty acid2

Traps12

Weevil1

Methyl2

Pest detection1

Colony2

Impacts1

Behavioral1

Synthetically2

Senses1

Assays1

Perfume2

Selective1

Perception1

Researchers2

Humans1

Responses3

Diseases1

Glomeruli2

Natural1

Male1

Work1

Toxic2

Plant2

Active1