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Articoli di riviste sul tema "Low-scent"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 13 febbraio 2022

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1

Poon, Tina, and Bianca Grohmann. "Spatial density and ambient scent: effects on consumer anxiety." American Journal of Business 29, no. 1 (2014): 76–94. http://dx.doi.org/10.1108/ajb-05-2013-0027.

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Purpose – This replication and extension of Hirsch and Gruss examines the impact of spatial density and ambient scent on consumers' spatial perception and anxiety. The paper aims to discuss these issues. Design/methodology/approach – A 2 (spatial density: high, low)×3 (ambient scent: no scent, scent associated with spaciousness, scent associated with enclosed spaces) between-participants experimental design was implemented in a laboratory setting. A pretest determined scent selection and manipulation checks were successful. Findings – Spatial perception was influenced by spatial density, but n

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Pojmanová, Petra, Nikola Ladislavová, Veronika Škeříková, Patrik Kania, and Štěpán Urban. "Human scent samples for chemical analysis." Chemical Papers 74, no. 5 (2019): 1383–93. http://dx.doi.org/10.1007/s11696-019-00989-2.

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Abstract This study is focused on finding an optimal preparation of the human scent samples for their detailed chemical analysis in connection with the possible forensic identifications of human individuals in the future. At the present time, the scent identification of people is carried out nearly exclusively using specially trained dogs. It is assumed that the human scent contains a certain group of compounds which allows the identification of people, the so-called human scent signature; however, its chemical composition is completely unknown, as of now. The principal problem of human scent

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Kong, Ying, Jinrong Bai, Lixin Lang, et al. "Variation in Floral Scent Compositions of Different Lily Hybrid Groups." Journal of the American Society for Horticultural Science 142, no. 3 (2017): 175–83. http://dx.doi.org/10.21273/jashs03934-16.

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Lilium cultivars have a wide range of variation in floral scent phenotypes. Using gas chromatography–mass spectrometry (GC/MS) analyses of volatile emissions during the night, the floral scent compositions of 35 lily cultivars from seven different hybrid groups were studied. The results showed that there was a positive correlation between volatile emission levels and scent intensities. Nonscented lily cultivars belonging to Asiatic hybrids hardly emitted volatiles, light-scented Longiflorum × Asiatic hybrids emitted low levels of volatiles, and scented lily cultivars (belonging to Oriental, Tr

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Arboleda, Ana M., Carlos Arce-Lopera, and Samuel González. "Subject or object: a product’s scent congruent perspectives." Academia Revista Latinoamericana de Administración 30, no. 3 (2017): 402–16. http://dx.doi.org/10.1108/arla-01-2016-0026.

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Purpose The purpose of this paper is evaluate to what extent consumers can recognise a scent within a context that is congruent either with the product or with the user, respectively, objects’ quality or subjects’ involvement. Design/methodology/approach This paper consists of two experimental studies. The first study assesses people’s capacity to recognise three scents: leather, synthetic leather, and fabric. The second study assesses the way in which a frame of reference (quality or involvement) affects people’s capacity for scent recognition (leather and fabric). Findings Results confirm th

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Verrier, Elise, Emmanuelle Baudry, and Carmen Bessa-Gomes. "Modelling the effects of the repellent scent marks of pollinators on their foraging efficiency and the plant-pollinator community." PLOS ONE 16, no. 9 (2021): e0256929. http://dx.doi.org/10.1371/journal.pone.0256929.

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Pollinator insects forage in complex and unpredictable resource landscapes, often using social information from congeneric individuals to acquire knowledge about their environment. It has long been recognized that this process allows them to exploit floral resources more efficiently and thus increase individual fitness. However, by creating correlations between the behaviors of pollinators within a population, this could also indirectly influence the entire plant-pollinator community. One type of social information used by pollinators is the scent mark left on the corolla of flowers by previou

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Probst, Bodo. "Female Urinary Chemosignals Influence Scent-Marking Behavior in Male Mongolian Gerbils (Meriones unguiculatus)." Zeitschrift für Naturforschung C 40, no. 11-12 (1985): 936–38. http://dx.doi.org/10.1515/znc-1985-11-1235.

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Abstract The influence of females on the amount of scent-marking behavior displayed by male Mongolian gerbils was investigated. Males isolated from females scent mark at a low level which increases more than two-fold if females are present in the room for three weeks without direct contact with the males. A similar increase is obtained by application of pooled female urine directly onto the males’ noses.

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Hughes, Nelika K., and Peter B. Banks. "Olfactory contacts mediate plasticity in male aggression with variable male density." Journal of Mammalogy 97, no. 2 (2016): 444–54. http://dx.doi.org/10.1093/jmammal/gyv188.

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Abstract Males typically adjust their reproductive strategies based on the perceived density and relative abilities of nearby competitors. In high-density populations, repeated encounters facilitate reliable, learned associations between individuals and their relative competitive abilities. In contrast, opportunities to form such associations are limited when densities are low or in flux, increasing the risk that individuals will unintentionally engage in potentially costly interactions with higher-quality or aggressive opponents. To maximize their fitness, individuals in low-density and fluct

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Ferron, Jean, and Jean-Pierre Ouellet. "Behavioural context and possible function of scent marking by cheek rubbing in the red squirrel (Tamiasciurus hudsonicus)." Canadian Journal of Zoology 67, no. 7 (1989): 1650–53. http://dx.doi.org/10.1139/z89-236.

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A contextual analysis of scent marking by cheek rubbing in wild red squirrels (Tamiasciurus hudsonicus), based on the study of behavioural time budgets and sequences, is presented. Scent-marking rates do not differ significantly between adult males and females. Comparison of the relative frequency of occurrence of each behaviour pattern in a scent-marking context with the relative frequency of these patterns in all other contexts reveals that locomotion, alertness, grooming, food carrying, and gnawing have a higher probability of occurrence when there is cheek rubbing. These results concur wit

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Stępniak, Kinga M., Natalia Niedźwiecka, Maciej Szewczyk, and Robert W. Mysłajek. "Scent marking in wolves Canis lupus inhabiting managed lowland forests in Poland." Mammal Research 65, no. 4 (2020): 629–38. http://dx.doi.org/10.1007/s13364-020-00514-x.

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Abstract In wolves Canis lupus, scent marking plays an important role in territory defence. In Europe, studies on patterns of scent marking in wolves have mostly been conducted in mountains or primeval forests, but since these areas are characterised by low human activity, the impact of people on this behaviour has been neglected. We conducted a study that combined genetic methods with an analysis of the spatial distribution of wolf territory markings in lowland managed forests with high human activity. We found that scent markings are deposited by all members of wolf family groups. Wolves mos

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Bennett, Natalie, and Natalia Dudareva. "Floral Scent Production in Antirrhinum majus." HortScience 33, no. 3 (1998): 455e—455. http://dx.doi.org/10.21273/hortsci.33.3.455e.

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Despite the economic importance of floral scent for plant reproduction, little is known about the molecular mechanisms of floral scent production. Floral scent is often a complex mixture of low-molecular-weight compounds that are mainly distributed within three groups: fatty acid derivatives, benzenoids, and isoprenoids. Esters of such compounds are the most widespread type. Headspace analysis in combination with gas chromatography and mass spectrometry of volatiles emitted from snapdragon flowers revealed that methyl benzoate is one of the major components of the `Maryland True Pink' genotype

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Petrén, Hampus, Per Toräng, Jon Ågren, and Magne Friberg. "Evolution of floral scent in relation to self-incompatibility and capacity for autonomous self-pollination in the perennial herb Arabis alpina." Annals of Botany 127, no. 6 (2021): 737–47. http://dx.doi.org/10.1093/aob/mcab007.

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Abstract Background and Aims The transition from outcrossing to selfing is a frequent evolutionary shift in flowering plants and is predicted to result in reduced allocation to pollinator attraction if plants can self-pollinate autonomously. The evolution of selfing is associated with reduced visual floral signalling in many systems, but effects on floral scent have received less attention. We compared multiple populations of the arctic–alpine herb Arabis alpina (Brassicaceae), and asked whether the transition from self-incompatibility to self-compatibility has been associated with reduced vis

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Song, Chaowei, Qi Wang, Jaime A. Teixeira da Silva, and Xiaonan Yu. "Identification of Floral Fragrances and Analysis of Fragrance Patterns in Herbaceous Peony Cultivars." Journal of the American Society for Horticultural Science 143, no. 4 (2018): 248–58. http://dx.doi.org/10.21273/jashs04420-18.

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Thirty herbaceous peony (section Paeonia of the genus Paeonia) cultivars were divided into four groups (no fragrance, light fragrance, medium fragrance, or intense fragrance) based on their sensory evaluation scores. Using dynamic headspace sampling (DHS) and automatic thermal desorption–gas chromatography/mass spectrometry (ATD-GC/MS), 130 volatile organic components were detected in these 30 cultivars and a total of 72 compounds were identified as scent components. The main compounds were phenylethyl alcohol, β-caryophyllene, linalool, (R)-citronellol, and nerol. Selecting α-pinene as the st

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Amaya-Márquez, Marisol, Sergio Tusso, Juan Hernández, Juan Darío Jiménez, Harrington Wells, and Charles I. Abramson. "Olfactory Learning in the Stingless Bee Melipona eburnea Friese (Apidae: Meliponini)." Insects 10, no. 11 (2019): 412. http://dx.doi.org/10.3390/insects10110412.

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Olfactory learning and floral scents are co-adaptive traits in the plant–pollinator relationship. However, how scent relates to cognition and learning in the diverse group of Neotropical stingless bees is largely unknown. Here we evaluated the ability of Melipona eburnea to be conditioned to scent using the proboscis extension reflex (PER) protocol. Stingless bees did not show PER while harnessed but were able to be PER conditioned to scent when free-to-move in a mini-cage (fmPER). We evaluated the effect of: 1) unconditioned stimulus (US) reward, and 2) previous scent–reward associations on o

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Sedijani, Prapti, Dewa Ayu Citra Rasmi, and Syamsul Bahri. "Explorasi Mikroba Beraroma dari Bahan Alam." Jurnal Penelitian Pendidikan IPA 5, no. 2 (2019): 136. http://dx.doi.org/10.29303/jppipa.v5i2.222.

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Abstract: The Scented volatile compound has a huge market as its wide applications in daily life. The extraction of this compound from natural resources produces a very low rendement. Microbes synthesize secondary metabolit might resemble of their host have been explored from scented natural resources (flowers: Damask rose, Jasminum sambac and Plumeria acutifolia); cymbopogon, muntinga calabura L and leave of Panadus amaryllis). It was found 12 bacterial and 14 fungal scented isolates that were various in terms of scent types and intensities. They were bread starters like the smell, alcohol li

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Spence, Charles. "Scent in the Context of Live Performance." i-Perception 12, no. 1 (2021): 204166952098553. http://dx.doi.org/10.1177/2041669520985537.

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Ambient smell has long been a feature of live performance, no matter whether its presence was intentional or not. While, once upon a time, the incidental presence of malodour was an inevitable feature of proceedings, the deliberate use of scent can actually be traced all the way back to the earliest rituals. This review attempts to trace the long history of scent’s use in processions, pageants, and, most important, performance. From Shakespeare’s time onward, scent has been used as an atmospheric/ambient cue. It has been used to create a certain mood, to trigger memories/nostalgia, and, on occ

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Gsell, Anna, John Innes, Pim de Monchy, and Dianne Brunton. "The success of using trained dogs to locate sparse rodents in pest-free sanctuaries." Wildlife Research 37, no. 1 (2010): 39. http://dx.doi.org/10.1071/wr09117.

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Context. Better techniques to detect small numbers of mammalian pests such as rodents are required both to complete large-scale eradications in restoration areas and to detect invaders before they become abundant or cause serious impacts on biodiversity. Aims. To evaluate the ability of certified rodent dogs (Canis familiaris) to locate Norway rats (Rattus norvegicus) and mice (Mus musculus) or their scent trails at very low densities in field conditions. Methods. We experimentally tested two rodent dogs by releasing small numbers of laboratory rats and mice in a 63 ha rodent-free forest sanct

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Beynon, R. J., and J. L. Hurst. "Multiple roles of major urinary proteins in the house mouse, Mus domesticus." Biochemical Society Transactions 31, no. 1 (2003): 142–46. http://dx.doi.org/10.1042/bst0310142.

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The urine of the house mouse, Mus domesticus, contains large amounts of proteins that are specifically synthesized in the liver to be secreted in the urine. These proteins, termed major urinary proteins (MUPs), have multiple roles in the communication of information in urine-derived scent marks. They bind low-molecular-mass volatile pheromones, and effect their delivery to the scent mark, followed by a slow release that is controlled by the rate of dissociation from the MUPs. However, this family of proteins is extremely polymorphic, more than might be expected for a simple role of ligand bind

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Terry, Marta I., Fernando Pérez-Sanz, M. Victoria Díaz-Galián, et al. "The Petunia CHANEL Gene is a ZEITLUPE Ortholog Coordinating Growth and Scent Profiles." Cells 8, no. 4 (2019): 343. http://dx.doi.org/10.3390/cells8040343.

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The floral perianth, comprising sepals and petals, conceals the sexual organs and attracts pollinators. The coordination of growth and scent emission is not fully understood. We have analyzed the effect of knocking down CHANEL (PhCHL), the ZEITLUPE ortholog in petunia (PhCHL) by hairpin RNAs. Plants with low PhCHL mRNA had overall decreased size. Growth evaluation using time lapse image analysis showed that early leaf movement was not affected by RNAi:PhCHL, but flower angle movement was modified, moving earlier during the day in knockdown plants than in wild types. Despite differences in stem

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Esposito, Fabiana, Nicolas J. Vereecken, Maddalena Gammella, Rosita Rinaldi, Pascal Laurent, and Daniel Tyteca. "Characterization of sympatric Platanthera bifolia and Platanthera chlorantha (Orchidaceae) populations with intermediate plants." PeerJ 6 (January 25, 2018): e4256. http://dx.doi.org/10.7717/peerj.4256.

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Platanthera bifolia and P. chlorantha are terrestrial and rewarding orchids with a wide Eurasian distribution. Although genetically closely related, they exhibit significant morphological, phenological and ecological differences that maintain reproductive isolation between the species. However, where both species co-occur, individuals with intermediate phenotypic traits, often considered as hybrids, are frequently observed. Here, we combined neutral genetic markers (AFLPs), morphometrics and floral scent analysis (GC-MS) to investigate two mixed Platanthera populations where morphologically in

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Müller, Corsin A., and Marta B. Manser. "Scent-marking and intrasexual competition in a cooperative carnivore with low reproductive skew." Ethology 114, no. 2 (2008): 174–85. http://dx.doi.org/10.1111/j.1439-0310.2007.01455.x.

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Ruibal, Monica, Rod Peakall, Andrew Claridge, and Karen Firestone. "Field-based evaluation of scat DNA methods to estimate population abundance of the spotted-tailed quoll (Dasyurus maculatus), a rare Australian marsupial." Wildlife Research 36, no. 8 (2009): 721. http://dx.doi.org/10.1071/wr09086.

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Context. DNA extracted non-invasively from remotely collected scat samples has been used successfully to enumerate populations of a few endangered mammal species. However, scat DNA surveys relying on scent-marking behaviours need to identify if age- or sex-specific variations or seasonal changes in scat scent-marking patterns affect population estimates. Furthermore, owing to the low quantity and quality of scat DNA, a thorough assessment of the technique is needed when it is applied to different species to ensure that individual identification is reliable. Aims. In the current study, microsat

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Perez-Sanz, Fernando, Victoria Ruiz-Hernández, Marta I. Terry, et al. "gcProfileMakeR: An R Package for Automatic Classification of Constitutive and Non-Constitutive Metabolites." Metabolites 11, no. 4 (2021): 211. http://dx.doi.org/10.3390/metabo11040211.

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Metabolomes comprise constitutive and non-constitutive metabolites produced due to physiological, genetic or environmental effects. However, finding constitutive metabolites and non-constitutive metabolites in large datasets is technically challenging. We developed gcProfileMakeR, an R package using standard Excel output files from an Agilent Chemstation GC-MS for automatic data analysis using CAS numbers. gcProfileMakeR has two filters for data preprocessing removing contaminants and low-quality peaks. The first function NormalizeWithinFiles, samples assigning retention times to CAS. The seco

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Leu, Stephan T., Grant Jackson, John F. Roddick, and C. Michael Bull. "Lizard movement tracks: variation in path re-use behaviour is consistent with a scent-marking function." PeerJ 4 (March 22, 2016): e1844. http://dx.doi.org/10.7717/peerj.1844.

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Individual movement influences the spatial and social structuring of a population. Animals regularly use the same paths to move efficiently to familiar places, or to patrol and mark home ranges. We found that Australian sleepy lizards (Tiliqua rugosa), a monogamous species with stable pair-bonds, repeatedly used the same paths within their home ranges and investigated whether path re-use functions as a scent-marking behaviour, or whether it is influenced by site familiarity. Lizards can leave scent trails on the substrate when moving through the environment and have a well-developed vomeronasa

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Fons, Françoise, Didier Froissard, Sylvie Morel, et al. "Pteridaceae Fragrant Resource and Bioactive Potential: A Mini-review of Aroma Compounds." Natural Product Communications 13, no. 5 (2018): 1934578X1801300. http://dx.doi.org/10.1177/1934578x1801300531.

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Seven ferns of Pteridaceae, grown in a botanical garden or wild, harvested in France were investigated for their Volatile Organic Compounds (VOC) profile using GC-MS: Adiantum pedatum L., Adiantum peruvianum Klotzsch, Anogramma leptophylla (L.) Link, Cheilanthes maderensis Lowe, Cryptogramma crispa (L.) R. Br., Pteris cretica L. and Pteris vittata L. Fifty-three VOC biosynthesized from lipidic, shikimic, terpenic and carotenoid pathways were identified. The two Adiantum species show different VOC composition. The main linalool (10.8%) in A. pedatum has several biological activities of great in

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Khondker, Habibul Haque. "Book review: Kelvin EY Low, Scents and Scent-Sibilities: Smell and Everyday Life Experiences." International Sociology 29, no. 2 (2014): 171–74. http://dx.doi.org/10.1177/0268580914524335a.

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Resnick, Marc L., and Amir Baker. "The Effect of Scent on User Recall and Navigation." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 53, no. 15 (2009): 940–44. http://dx.doi.org/10.1177/154193120905301501.

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When designing navigation menus, there are some key tradeoffs that usability professionals struggle with to ensure an easy to use navigation system. In the short term, the menu should support effective user wayfinding and confidence to accomplish the current task. Menus can also achieve longer term benefits by demonstrating the information architecture of the site, providing support for future tasks. For example, users would be more likely to return to the site if they believe a product they need in the future is available there. The effectiveness of menu design hinges on whether these objecti

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Maduratna, Enggal Sari. "Efektifitas aroma kulit jeruk manis (citrus aurantium) terhadap hiperemesis gravidarum pada ibu hamil." JURNAL ILMIAH OBSGIN : Jurnal Ilmiah Ilmu Kebidanan & Kandungan P-ISSN : 1979-3340 e-ISSN : 2685-7987 10, no. 2 (2019): 1–7. http://dx.doi.org/10.36089/job.v1i2.89.

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Nausea and vomiting is a state of nausea that sometimes accompanied by vomiting (frequency less than 5 times). During pregnancy, as many as 70-85% of women experience hiperemesis gravidarum. Based on prenatal visit data of pregnant women in Puskesmas Bangkalan in October 2017 pregnant woman amounted to 30 people, experienced nausea vomiting as much as 25 (76,1%), and did not experience nausea vomiting as many as 5 pregnant women. The purpose of this study was to analyze the effect of giving sweet orange peel scent (citrus aurantium) to hiperemesis gravidarum in pregnant mother. This research m

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Lestari, Tita Nadya, Marai Rahmawati, and Rita Hayati. "Uji Organoleptik Buah Tin pada Perlakuan Suhu Rendah." Jurnal Ilmiah Mahasiswa Pertanian 5, no. 2 (2020): 91–100. http://dx.doi.org/10.17969/jimfp.v5i2.15005.

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Abstrak. Penelitian ini bertujuan untuk mengetahui pengaruh suhu rendah dan lama penyimpanan serta interaksi keduanya terhadap mutu buah tin. Penelitian ini dilaksanakan di Laboratorium Hortikultura, Fakultas Pertanian Universitas Syiah Kuala, Banda Aceh yang berlangsung sejak Juni hingga September 2019. Penelitian ini menggunakan Rancangan Acak Terpisah (Split Plot Design) pola faktorial dengan 2 perlakuan yaitu suhu rendah dan lama penyimpanan. Suhu rendah dengan 3 taraf perlakuan yaitu 5ºC, 10ºC dan 15ºC dan lama penyimpanan dengan 3 taraf perlakuan yaitu 3, 6 dan 9 hari. Hasil penelitian m

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Dorman, David C., Melanie L. Foster, and Lucia Lazarowski. "Training with Multiple Structurally Related Odorants Fails to Improve Generalization of Ammonium Nitrate Detection in Domesticated Dogs (Canis familiaris)." Animals 11, no. 1 (2021): 213. http://dx.doi.org/10.3390/ani11010213.

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A critical aspect of canine scent detection involves the animal’s ability to respond to odors based on prior odor training. In the current study, dogs (n = 12) were initially trained on an olfactory simple discrimination task using vanillin as the target odorant. Based on their performance on this task, dogs were assigned to experimental groups. Dogs in group 1 and 2 (n = 5 dogs/group; 1 dog/group were removed due to low motivation or high error rates) were trained with either two or six forms of ammonium nitrate (AN), respectively. Dogs were then assessed with a mock explosive with AN and pow

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Garnida, Yudi, and Tantan Widiantara. "KAJIAN LAMA PEMBEKUAN DAN JENIS DAGING TERHADAP KUALITAS DAGING SAPI (Bos primigenius taurus), AYAM BROILER (Gallus domesticus), IKAN PATIN (Pangasius sp) DAN DAGING KAMBING (Capra aegagrus hircus) YANG DITHAWING." Pasundan Food Technology Journal 7, no. 2 (2020): 78–86. http://dx.doi.org/10.23969/pftj.v7i2.3004.

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This research aims to study and analyse the freesing long study and the type of meat to quality beef (Bos primigenius taurus), broiler chicken (Gallus domesticus), fish catfish (Pangius sp) and goat meet (Capra aegagrus hircus) in the thawing. Preliminary research and primary research. Preliminary research on the method of election is the champion and thawing on broiler chicken meat with the analysis of the levels of the protein. The main research was done using 4x2 factorial experiment design pattern in a random design group (RAK) consisting of 2 factors, namely a long freeze 14 days and 20 d

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Oehler Sr., Michael W., Jonathan A. Jenks, and R. Terry Bowyer. "Antler rubs by white-tailed deer: the importance of trees in a prairie environment." Canadian Journal of Zoology 73, no. 7 (1995): 1383–86. http://dx.doi.org/10.1139/z95-162.

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Antler rubs (scent marks) by male white-tailed deer (Odocoileus virginianus) (n = 84) were characterized from 1 to 20 October 1993 on the Northern Plains Biological Field Station at Oak Lake, Brookings County, South Dakota. The northern Great Plains is characterized by low species richness and trees that often have aromatic properties and are confined to draws and riparian areas. Consequently, we hypothesized that the selection of trees for antler rubs by deer in prairie environments would differ from that in other regions of North America. Eight species of trees were rubbed. Juneberry (Amelan

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Humeau, Laurence, Claire Micheneau, Hans Jacquemyn, Anne Gauvin-Bialecki, Jacques Fournel, and Thierry Pailler. "Sapromyiophily in the native orchid, Bulbophyllum variegatum, on Réunion (Mascarene Archipelago, Indian Ocean)." Journal of Tropical Ecology 27, no. 6 (2011): 591–99. http://dx.doi.org/10.1017/s0266467411000411.

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Abstract:Orchid species are well known for their highly specialized pollinator interactions. To better understand the reproductive biology of the tropical epiphytic orchid Bulbophyllum variegatum on Réunion, we investigated the floral morphology, breeding system, pollinator diversity, floral scent profile and fruiting success of about 30 individuals in three natural populations during two consecutive flowering seasons. Controlled hand-pollination experiments in two populations showed that the species is self-compatible, but requires pollinator service to achieve reproduction. Videotape pollina

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Tsaramirsis, Georgios, Michail Papoutsidakis, Morched Derbali, Fazal Qudus Khan, and Fotis Michailidis. "Towards Smart Gaming Olfactory Displays." Sensors 20, no. 4 (2020): 1002. http://dx.doi.org/10.3390/s20041002.

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Olfaction can enhance the experience of music, films, computer games and virtual reality applications. However, this area is less explored than other areas such as computer graphics and audio. Most advanced olfactory displays are designed for a specific experiment, they are hard to modify and extend, expensive, and/or can deliver a very limited number of scents. Additionally, current-generation olfactory displays make no decisions on if and when a scent should be released. This paper proposes a low-cost, easy to build, powerful smart olfactory display, that can release up to 24 different aroma

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Ramm, Steven A., and Paula Stockley. "Adaptive plasticity of mammalian sperm production in response to social experience." Proceedings of the Royal Society B: Biological Sciences 276, no. 1657 (2008): 745–51. http://dx.doi.org/10.1098/rspb.2008.1296.

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Abstract (sommario):

Sperm competition theory predicts that males should invest prudently in ejaculates according to levels of female promiscuity. Males may therefore be sensitive to cues in their social environment associated with sexual competition, and tailor investment in sperm production accordingly. We tested this idea experimentally for the first time, to our knowledge, in a mammal by comparing reproductive traits of male house mice ( Mus musculus domesticus ) that had experienced contrasting encounter regimes with potential sexual competitors. We found that daily sperm production and numbers of sperm in th

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35

Nemésio, A. "The orchid-bee faunas (Hymenoptera: Apidae) of two Atlantic Forest remnants in southern Bahia, eastern Brazil." Brazilian Journal of Biology 73, no. 2 (2013): 375–81. http://dx.doi.org/10.1590/s1519-69842013000200018.

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Abstract (sommario):

The orchid-bee faunas of the ‘Parque Nacional do Pau Brasil’ (8,500 ha) and ‘RPPN Estação Veracel’ (6,000 ha), two Atlantic Forest remnants in the southern state of Bahia, northeastern Brazil, were surveyed. Seventeen chemical compounds were used as scent baits to attract orchid-bee males. Seven hundred and twelve males belonging to 20 species were actively collected with insect nets during 80 hours in February and April, 2009. Euglossa marianae Nemésio, 2011, the most sensitive orchid-bee species of the Atlantic Forest, was recorded at both preserves, though in low abundance. ‘RPPN Estação Ve

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36

Gottwald, Timothy, Gavin Poole, Earl Taylor, et al. "Canine Olfactory Detection of a Non-Systemic Phytobacterial Citrus Pathogen of International Quarantine Significance." Entropy 22, no. 11 (2020): 1269. http://dx.doi.org/10.3390/e22111269.

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For millennia humans have benefitted from application of the acute canine sense of smell to hunt, track and find targets of importance. In this report, canines were evaluated for their ability to detect the severe exotic phytobacterial arboreal pathogen Xanthomonas citri pv. citri (Xcc), which is the causal agent of Asiatic citrus canker (Acc). Since Xcc causes only local lesions, infections are non-systemic, limiting the use of serological and molecular diagnostic tools for field-level detection. This necessitates reliance on human visual surveys for Acc symptoms, which is highly inefficient

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37

Kauffman, Matthew J., M. Sanjayan, Jacob Lowenstein, Adam Nelson, Richard M. Jeo, and Kevin R. Crooks. "Remote camera-trap methods and analyses reveal impacts of rangeland management on Namibian carnivore communities." Oryx 41, no. 1 (2007): 70–78. http://dx.doi.org/10.1017/s0030605306001414.

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Assessing the abundance and distribution of mammalian carnivores is vital for understanding their ecology and providing for their long-term conservation. Because of the difficulty of trapping and handling carnivores many studies have relied on abundance indices that may not accurately reflect real abundance and distribution patterns. We developed statistical analyses that detect spatial correlation in visitation data from combined scent station and camera-trap surveys, and we illustrate how to use such data to make inferences about changes in carnivore assemblages. As a case study we compared

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38

Ke, Yanguo, Farhat Abbas, Yiwei Zhou, et al. "Genome-Wide Analysis and Characterization of the Aux/IAA Family Genes Related to Floral Scent Formation in Hedychium coronarium." International Journal of Molecular Sciences 20, no. 13 (2019): 3235. http://dx.doi.org/10.3390/ijms20133235.

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Abstract (sommario):

Auxin plays a key role in different plant growth and development processes, including flower opening and development. The perception and signaling of auxin depend on the cooperative action of various components, among which auxin/indole-3-acetic acid (Aux/IAA) proteins play an imperative role. In a recent study, the entire Aux/IAA gene family was identified and comprehensively analyzed in Hedychium coronarium, a scented species used as an ornamental plant for cut flowers. Phylogenetic analysis showed that the Aux/IAA gene family in H. coronarium is slightly contracted compared to Arabidopsis,

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39

Lavi, Uri, Emanuel Lahav, Chemda Degani, Shmuel Gazit, and Jossi Hillel. "Genetic Variance Components and Heritabilities of Several Avocado Traits." Journal of the American Society for Horticultural Science 118, no. 3 (1993): 400–404. http://dx.doi.org/10.21273/jashs.118.3.400.

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Abstract (sommario):

Genetic variance components for avocado (Persea americana Mill.) traits were estimated to improve avocado breeding efficiency. The additive and nonadditive genetic variance components were calculated from the variances between and within crosses. In all nine traits examined, i.e.-anise scent, fruit density, flowering intensity, fruit weight, harvest duration, inflorescence length, seed size, softening time, and tree size-a significant nonadditive genetic variance was detected. Additive genetic variance in all traits was lower and nonsignificant. The existence of major nonadditive variance was

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40

Rassel, Rassel, M. Kholid Arif Rozaq, and M. Fajar Apriyanto. "REPRESENTASI AROMA PARFUM DENGAN PENDEKATAN METAFORA DALAM FOTOGRAFI PRODUK." spectā: Journal of Photography, Arts, and Media 2, no. 2 (2019): 123–34. http://dx.doi.org/10.24821/specta.v2i2.2552.

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Abstract (sommario):

Abstrak Terdapat banyak merek parfum yang beredar di pasaran. Hal tersebut tentu mempersulit konsumen untuk menentukan aroma yang cocok dengan keinginan dan kepribadiannya, karena pada umumnya konsumen tidak mengenal jenis bebauan yang menjadi bahan pembuatan parfum secara spesifik. Berdasarkan hal ini muncul gagasan untuk mencocokkan aroma parfum dengan beberapa kepribadian lalu merepresentasikan aroma parfum tersebut melalui media fotografi. Informasi tentang produk parfum yang telah dikumpulkan melalui observasi akan ditampilkan secara visual fotografi dengan menggunakan objek pendukung yan

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41

Villablanca, Francis X., Christopher P. Kofron, Lauralea Oliver, Michael J. Walgren, Lisa E. Andreano, and Alexandra Thiel. "Survey for Morro Bay Kangaroo Rat: A Rare Mammal of Uncertain Status." Journal of Fish and Wildlife Management 12, no. 1 (2020): 263–70. http://dx.doi.org/10.3996/jfwm-20-022.

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Abstract (sommario):

Abstract The Morro Bay kangaroo rat Dipodomys heermanni morroensis is a small, nocturnal, burrowing rodent endemic to the vicinity of Morro Bay in San Luis Obispo County, California. It was listed as endangered pursuant to the U.S. Endangered Species Act in 1973. Despite many searches over three decades, the Morro Bay kangaroo rat has not been captured or sighted in the wild since 1986. While recognizing that the Morro Bay kangaroo rat may be extinct, two of us in a previous paper also speculated it may be persisting at extremely low density in isolated colonies and recommended surveying with

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42

McGivern, Robert F., Rebecca Z. Sokol, and W. Ross Adey. "Prenatal exposure to a low-frequency electromagnetic field demasculinizes adult scent marking behavior and increases accessory sex organ weights in rats." Teratology 41, no. 1 (1990): 1–8. http://dx.doi.org/10.1002/tera.1420410102.

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43

Claus-Walker, Debra B., Philip H. Crowley, and Frank Johansson. "Fish predation, cannibalism, and larval development in the dragonfly Epitheca cynosura." Canadian Journal of Zoology 75, no. 5 (1997): 687–96. http://dx.doi.org/10.1139/z97-089.

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Abstract (sommario):

We manipulated the risk of fish predation and cannibalism in semi-field and laboratory experiments with larvae of the dragonfly Epitheca cynosura. Results of a 22-week semi-field experiment showed that larvae from different densities were indistinguishable in mean size by the end of the experiment, but that individuals from low densities were larger until week 12. Larvae from low densities varied less in size than did those from high densities. Larvae showed rapid convergence of densities in the absence of fish. Fish predation also generated rapid convergence of densities. The presence of fish

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44

Asaolu, S. S., O. S. Adefemi, I. G. Oyakilome, K. E. Ajibulu, and M. F. Asaolu. "Proximate and Mineral Composition of Nigerian Leafy Vegetables." Journal of Food Research 1, no. 3 (2012): 214. http://dx.doi.org/10.5539/jfr.v1n3p214.

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Abstract (sommario):

Proximate analysis and mineral composition of some Nigerian leafy vegetables: bitter leaf (<em>Veronia amygdalina</em> L), India spinach (<em>Basella alba</em> L), bush buck (<em>Gongronema latifolium</em>), scent leaf (<em>Ocimium grastissimum</em>), Smooth amaranth (<em>Amaranthus hybridus</em>)<em>, </em>Roselle plant (<em>Hibiscus sabdariffa</em>) and fluted pumpkin (<em>Telfaria occidentali</em>) were carried out using standard analytical procedures. The moisture content of the samples ranged b

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45

Komelkova, Maria, Eugenia Manukhina, H. Fred Downey, et al. "Hexobarbital Sleep Test for Predicting the Susceptibility or Resistance to Experimental Posttraumatic Stress Disorder." International Journal of Molecular Sciences 21, no. 16 (2020): 5900. http://dx.doi.org/10.3390/ijms21165900.

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Abstract (sommario):

Hexobarbital sleep test (HST) was performed in male Wistar rats (hexobarbital 60 mg/kg, i.p.) 30 days prior to stress exposure. Based on the duration of hexobarbital-induced sleep, rats were divided into two groups, animals with high intensity (fast metabolizers (FM), sleep duration <15 min) or low intensity of hexobarbital metabolism (slow metabolizers (SM), sleep duration ≥15 min). The SM and FM groups were then divided into two subgroups: unstressed and stressed groups. The stressed subgroups were exposed to predator scent stress for 10 days followed by 15 days of rest. SM and FM rats fr

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46

Xu, Jun Hua, Lei Ye Zhu, and Hai Bin Wang. "Research characteristics and status on Environmental Psychology: a bibliometric and knowledge mapping analysis." E3S Web of Conferences 38 (2018): 01020. http://dx.doi.org/10.1051/e3sconf/20183801020.

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Abstract (sommario):

Environmental psychology is an interdisciplinary field that focuses on the interplay between individuals and their built and natural environments. Great progress has been made in the areas of environmental psychology by researchers form many countries. However, a thorough quantitative analysis to the emergent research trends and topics has not been found. To reveal the research characteristics and status on Environmental Psychology, 853 related papers from Web of Science core collection were analysed by CiteSpace II. The results show that: (1) the domain of Environmental Psychology was started

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47

Penny, Samuel G., Rachel L. White, Dawn M. Scott, Lynne MacTavish, and Angelo P. Pernetta. "Using drones and sirens to elicit avoidance behaviour in white rhinoceros as an anti-poaching tactic." Proceedings of the Royal Society B: Biological Sciences 286, no. 1907 (2019): 20191135. http://dx.doi.org/10.1098/rspb.2019.1135.

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Abstract (sommario):

Poaching fuelled by international trade in horn caused the deaths of over 1000 African rhinoceros ( Ceratotherium simum and Diceros bicornis ) per year between 2013 and 2017. Deterrents, which act to establish avoidance behaviours in animals, have the potential to aid anti-poaching efforts by moving at-risk rhinos away from areas of danger (e.g. near perimeter fences). To evaluate the efficacy of deterrents, we exposed a population of southern white rhinos ( C. simum simum ) to acoustic- (honeybee, siren, turtle dove), olfactory- (chilli, sunflower), and drone-based stimuli on a game reserve i

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48

Iswari, Maulida Fitri, Noor Harini, and Sri Winarsih. "Kajian Edible Coating Berbasis Pati Singkong Dengan Perbedaan Stabilizer (Alamidan Sintetis) Pada Bakso Ayam." Food Technology and Halal Science Journal 2, no. 2 (2019): 212. http://dx.doi.org/10.22219/fths.v2i2.12987.

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Abstract (sommario):

The edible coating based on cassava starch is a method of giving a thin coating on food product to extend the shelf life have weakness has low barrier properties to moisture it’s required the addition of a stabilizer to extend the shelflife that applied on chicken meatball which has a short shelf life is 24 hours. The purpose of this research is to find different types and concentrations of stabilizers and determine the best treatment. The research nested. Extraction of carrageenan from seaweed(Eucheumma cotton) and extraction of pectin from green cincau leaf (Premma oblong folio) then make ed

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49

Beckmann-Cavalcante, Márkilla Zunete, João Henrique Ferreira Sabino, Mayara Susanne de Melo Barbosa, et al. "Innovation in floriculture with ornamental plants from Caatinga biome." Ornamental Horticulture 23, no. 3 (2017): 289. http://dx.doi.org/10.14295/oh.v23i3.1081.

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Abstract (sommario):

The Caatinga biome which presents a singular vegetation found only in Brazil has a diversity of vegetal species with uses not yet explored. In this sense, the objective was to study two species of the Caatinga biome to be used as cut flowers. The work was developed at the Agricultural Sciences Campus of the Federal University of the São Francisco Valley, Petrolina, PE. Based on previous studies, two endemic species of the Caatinga biome were selected: Neoglaziovia variegata and Senna martiana. The evaluation criteria were based on the length, stiffness and appearance of the stems; form of flow

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50

Wang, Yuting, and Dingzhen Liu. "Low Incidence of Miscarriage Induced by the Scent of Male Littermates of Original Mates: Male Kinship Reduces the Bruce Effect in Female Mice, Mus musculus." PLoS ONE 8, no. 7 (2013): e68673. http://dx.doi.org/10.1371/journal.pone.0068673.

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