Search results for "Sensor"
showing 10 items of 4594 documents
T@sty(TM) : test d'évaluation de la sensibilité aux saveurs. Dispositif breveté pour l'évaluation de la sensibilité de sujets pour les 5 saveurs
2019
T@sty est un dispositif permettant d'évaluer la sensibilité de sujets humains pour les cinq saveurs (sucrée, salée, amère, acide et savoureux). Cette évaluation peut-être réalisée à domicile (tests envoyés par la poste, questionnaire de réponse en ligne). Pour chaque saveur, un kit d'évaluation est constitué de 3 feuilles-tests entièrement comestibles. Chaque feuille-test comporte 6 séries de 3 disques détachables. Pour chacune des séries, les participants doivent goûter les trois disques par simple contact avec la langue, puis identifier le disque qui porte une saveur (les deux autres sont neutres). L'intensité de la saveur est croissante (série 1 à 6). Avantages Aucune préparation pour l’…
Could pupil dilation measurements be of any help to sensory analysis?
2011
Could pupil dilation measurements be of any help to sensory analysis?. 29. Pupil colloquium
Deux approches sensorielles autour du concept gras/volume dans les vins blancs et les vins rouges
2013
Introduction. Les descripteurs gras et volume sont des mots très présents dans le discours spécialisé des professionnels du vin mais il ne va pas de soi, a priori, que les différents locuteurs se comprennent quand ils utilisent l’un et l’autre de ces deux termes. Le processus cognitif de détermination sensorielle de ces deux descripteurs apparaît complexe car à la fois multimodal et multiparamétrique. La viscosité, la texture ou le caractère tapissant sont, parmi bien d’autres, autant de dimensions potentiellement sous-jacentes à ces deux termes (Folkenberg et al., 1999 ; Szczesniak, 2002). De plus, et comme le soulignaient déjà Guinard et Mazzucchelli en 1996, le processus de détermination…
DNA Nanotechnology for Bioanalysis
2017
This book is intended for non-specialists and students, presenting a unique introduction to the field of DNA nanotechnology. The primary focus is on the extraordinary advantages of specificity and sensitivity obtained by integrating DNA nanostructures in bioanalytical devices. DNA Nanotechnology for Bioanalysis provides a concise and rigorous description for the fabrication of various types of functional nanostructures by optimized software-aided high-yield synthesis. Following this is the explanation of methods to decorate these nanostructures with molecules such as proteins, metal nanoparticles or bioorganic moieties covalently bonded onto DNA via self-assemblage processes. Also provided …
Long-Term Potentiation in the Neonatal Rat Barrel Cortex In Vivo
2012
Long-term potentiation (LTP) is important for the activity-dependent formation of early cortical circuits. In the neonatal rodent barrel cortex, LTP has been studied only in vitro . We combined voltage-sensitive dye imaging with extracellular multielectrode recordings to study whisker stimulation-induced LTP in the whisker-to-barrel cortex pathway of the neonatal rat barrel cortex in vivo . Single whisker stimulation at 2 Hz for 10 min induced an age-dependent expression of LTP in postnatal day (P) 0 to P14 rats, with the strongest expression of LTP at P3–P5. The magnitude of LTP was largest in the activated barrel-related column, smaller in the surrounding septal region, and no LTP could b…
The Effect of Cantharellus Cibarius Addition on Quality Characteristics of Frankfurter during Refrigerated Storage
2019
The antioxidant and antimicrobial properties of Cantharellus cibarius decoction and the effect of mushroom addition on the physicochemical and microbiological properties of frankfurters during refrigerated storage were studied. Mushroom addition significantly reduced (p <
Physicochemical, Nutraceutical and Sensory Traits of Six Papaya (Carica papaya L.) Cultivars Grown in Greenhouse Conditions in the Mediterranean Clim…
2020
Six papaya (Carica papaya L.) cultivars, grown in a Mediterranean climate under greenhouse conditions, were screened for physicochemical properties, antioxidant capacity, nutritional and sensory characteristics. The fruits, harvested with more than 50% of yellow surface (between 60% and 77%) were tested for carotenoids content, phenolic content, reducing activity (ABTS) and cellular antioxidant activity (CAA50). The physicochemical traits were measured in terms of the titratable acidity and soluble content whereas proximal composition along with moisture, fats, total sugar, ash, vitamin A, C and E content. Moreover, the sensory profile was analyzed by a semi-trained panel. Although the six …
Multiproperty complexes of 4d and 4f metal ions based on biomolecules: from fundamental research to potential applications
2023
El trabajo desarrollado en esta Tesis se enmarca en el campo de la Química de Coordinación y el Magnetismo Molecular, vectores base para el desarrollo de múltiples aplicaciones en Nanomedicina y Nanotecnología. El estudio de los compuestos de coordinación tiene una larga historia que se remonta a principios del siglo XIX, con notables contribuciones de químicos como Berzelius y Jørgensen. Esta rama de la química se centra en la comprensión de las propiedades de unión de los ligandos (moléculas o aniones donadores de electrones) a los iones metálicos. Las teorías de Alfred Werner sobre la coordinación de iones metálicos a principios del siglo XX marcaron un hito importante en este campo. El …
Bresaola made from Cinisara cattle: effect of muscle type and animal category on physicochemical and sensory traits
2020
The physicochemical characteristics and sensory traits of Cinisara bresaola were investigated, to explore a new commercial opportunity for autochthonous dairy cattle farms. Semimembranosus, Semitendinosus and Biceps brachii muscles, from adult cows (AC) and grazing (GB) or housed (HB) young bulls of Cinisara breed, were processed to made bresaola. Differences due to animal category and muscle type were observed. Bresaola from AC was richer in fat and volatile organic compounds. The bresaola from Semitendinosus showed higher colorimetric parameters, fat and, when from grazing animals, Warner-Bratzler shear force than those made from other muscles. In general, all bresaola were well appreciat…
Impact of information and in-home sensory exposure on liking and willingness to pay: The beginning of Fairtrade labeled coffee in France.
2015
This study was conducted to assess how the Fairtrade label interacts with the perception of intrinsic product characteristics on liking and purchase decisions and to estimate the evolution of this interaction after exposure to the coffees and/or exposure to ethical information. In a first session, 119 consumers gave liking scores for 2 regular and 2 Fairtrade coffees under a blind tasting condition. Then, they were asked to indicate the maximum price they would pay for each product in 2 auctions taking place under different information conditions. In the first auction, participants saw the packaging but did not taste the coffee; in the second auction, they could both taste the coffee and se…