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Colour management system : Monte Carlo implementation for camouflage pattern generation / Wojciech Przybyl in COLORATION TECHNOLOGY, Vol. 136, N° 5 (10/2020)
[article]
Titre : Colour management system : Monte Carlo implementation for camouflage pattern generation Type de document : texte imprimé Auteurs : Wojciech Przybyl, Auteur ; Wojciech Radosz, Auteur ; Adam Januszko, Auteur Année de publication : 2020 Article en page(s) : p. 407-416 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Camouflage (science militaire)
Couleur
Monte-Carlo, Méthode de
Probabilités
StatistiqueIndex. décimale : 535.6 Couleur Résumé : The Monte Carlo method provides a simple yet powerful and flexible tool for simulation of complex or random systems. This paper contains an overview of the theory behind the method and some simple examples to illustrate its implementation to model the refinement of patterns on the camouflaged surface. The objective is to provide an introduction to the method and to present a useful tool for solving practical problems. The first attempts of its application for military camouflage pattern generation are presented. A colour management system utilising the Monte Carlo method and based on the imaging and spectral data enabled the design of a dedicated camouflage pattern for both small‐ and large‐size military objects. Note de contenu : - 1. INTRODUCTION : Camouflage patterns
- 2. METHODOLOGY : Statistical method - Probabilistic method
- 3. IMPLEMENTATION : Colour management system
- 4. APPLICATIONDOI : https://doi.org/10.1111/cote.12483 En ligne : https://onlinelibrary.wiley.com/doi/epdf/10.1111/cote.12483 Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34484
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Code-barres Cote Support Localisation Section Disponibilité 22268 - Périodique Bibliothèque principale Documentaires Disponible Combining sensory and texturometer parameters to characterize different type of cosmetic ingredients / Gisely Sposito Vieira in INTERNATIONAL JOURNAL OF COSMETIC SCIENCE, Vol. 42, N° 2 (04/2020)
[article]
Titre : Combining sensory and texturometer parameters to characterize different type of cosmetic ingredients Type de document : texte imprimé Auteurs : Gisely Sposito Vieira, Auteur ; Marc Lavarde, Auteur ; Viannay Fréville, Auteur ; Pedro Alves Rocha-Filho, Auteur ; Anne-Marie Pensé-Lhéritier, Auteur Année de publication : 2020 Article en page(s) : p. 156-166 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Amidons
Analyse sensorielle
Beurre de karité
GlycolsUn glycol ou diol est un composé chimique organique portant deux groupes hydroxyle (-OH).
Lorsque les deux groupes hydroxyle sont portés par le même atome de carbone, on parle de diol géminal. Parmi ceux-ci, on compte par exemple le méthanediol (H2C(OH)2) ou le 1,1,1,3,3,3-hexafluoropropane-2,2-diol ((F3C)2C(OH)2), la forme hydratée de l'hexafluoroacétone.
On parle de diol vicinal lorsque les deux groupes hydroxyle sont en position vicinale, c'est-à -dire attachés à des atomes de carbone adjacents. On compte parmi ceux-ci l'éthane-1,2-diol ou éthylène glycol (HO-(CH2)2-OH), un composant courant des produits antigels ou le propane-1,2-diol (propylène glycol, HO-CH2-CH(OH)-CH3).
Parmi les composés avec des groupes hydroxyles bien plus éloignés on compte le butane-1,4-diol (HO-(CH2)4-OH) ou encore le bisphénol A.
Huiles et graisses
Ingrédients cosmétiques
Statistique
TexturantsIndex. décimale : 668.5 Parfums et cosmétiques Résumé : - INTRODUCTION : Sensory properties have a great importance for cosmetics and personal care products. If literature permits to consult articles comparing different formulations on their sensory attributes, there are only a few articles concerning ingredients.
- OBJECTIVE : The overall objective of this study was to carry out an original study combining the sensory evaluation of different natures of ingredients, in order to initiate a sensory data set that could help researchers to identify differentiating sensory characteristics, as well as initiating a comparison between sensory data and texturometer instrumental measurements.
- METHODS : Oils, glycolic extracts, butter and starch were evaluated according to descriptive sensory analysis methodology with the help of panel of 25 experts. In order to compare responses obtained from the panel to instrumental measurements, texture analyzes were performed in compression traction model.
- RESULTS : Significant differences were detected in ten of the eleven evaluated sensory attributes, indicating that ingredients have distinct sensory profiles. The mainly discriminative attributes for the analyzed ingredients were : gloss, opacity, fluidity, freshness, whitening and oily residue. The oils are mostly related to oily residue and slipperiness while extracts are mostly related to gloss, fluidity and freshness attributes. Both Tapioca Starch and Shea Butter were related to non‐fluidity, opacity, and Tapioca Starch was related to freshness too. This study was completed by a texturometer analysis which lead to show the opposite correlation between the sensory attribute fluidity and the consistent index.Note de contenu : - MATERIALS AND METHODS : The panel - Descriptive sensory analysis - Instrumental analysis - Statistical analysis
- RESULTS : Descriptive sensory analysis - Glycolic extracts - Instrumental analysisDOI : https://doi.org/10.1111/ics.12598 Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34506
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Code-barres Cote Support Localisation Section Disponibilité 21862 - Périodique Bibliothèque principale Documentaires Disponible Comparative analysis of the proteomic profile of cattle hides that produce loose and tight leather using in-gel tryptic digestion followed by LC-MS/MS / Catherine Maidment in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXV, N° 11 (11/2020)
[article]
Titre : Comparative analysis of the proteomic profile of cattle hides that produce loose and tight leather using in-gel tryptic digestion followed by LC-MS/MS Type de document : texte imprimé Auteurs : Catherine Maidment, Auteur ; Meekyung Ahn, Auteur ; Rafea Naffa, Auteur ; Trevor Loo, Auteur ; Gillian Norris, Auteur Année de publication : 2020 Article en page(s) : p. 399-408 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Collagène
Cuir lache
Cuirs et peaux -- Analyse
Cuirs et peaux -- Défauts
Cuirs et peaux de bovins
Extraction (chimie)
Protéines
ProtéomiqueLa protéomique désigne la science qui étudie les protéomes, c'est-à -dire l'ensemble des protéines d'une cellule, d'un organite, d'un tissu, d'un organe ou d'un organisme à un moment donné et sous des conditions données.
Dans la pratique, la protéomique s'attache à identifier de manière globale les protéines extraites d'une culture cellulaire, d'un tissu ou d'un fluide biologique, leur localisation dans les compartiments cellulaires, leurs éventuelles modifications post-traductionnelles ainsi que leur quantité.
Elle permet de quantifier les variations de leur taux d'expression en fonction du temps, de leur environnement, de leur état de développement, de leur état physiologique et pathologique, de l'espèce d'origine. Elle étudie aussi les interactions que les protéines ont avec d'autres protéines, avec l'ADN ou l'ARN, ou d'autres substances.
La protéomique fonctionnelle étudie les fonctions de chaque protéine.
La protéomique étudie enfin la structure primaire, secondaire et tertiaire des protéines. (Wikipedia)
StatistiqueIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : Looseness is a defect found in leather that reduces its quality by causing a wrinkly appearance in the finished product, resulting in a reduction in its value. Earlier studies on loose leather using microscopy and Raman spectroscopy reported a change in the collagen structure of loose leather. In this study, proteomics was used to investigate the possible molecular causes of looseness in the raw material, the first time such a study has been carried out. Proteins extracted from two regions of raw hide using two different methods were analysed; those taken from the distal axilla, an area prone to looseness, and those taken from the backbone which is less prone to looseness. Analyses using 1DE-LC-MS/MS showed that although the overall collagen concentration was similar in both areas of the hide, the distribution of the different types of collagen differed. Specifically, concentrations of type I collagen, and the collagen-associated proteoglycan decorin were lower in samples taken from the distal axilla, symptomatic of a collagen network with excess space seen for these samples using confocal microscopy. This study suggests a possible link between the molecular components of raw cattle hide and looseness and more importantly between the molecular components of skin and skin defects. There is therefore potential to develop biomarkers for looseness which will enable early preventative action. Note de contenu : - EXPERIMENTAL : chemicals - Sample preparation - Protein extraction - Protein digestion - LC-MS/MS - Protein identification - Statistical analysis - Total collagen concentration - 3D confocal microscopy
- RESULTS AND DISCUSSION : Proteomic profiles : a comparison of the extraction methods - Differences between the OSP and DA regions of raw cattle hide
- Table 1 : Proteins that are significantly down regulated in the DADOI : https://doi.org/10.34314/jalca.v115i11.4184 En ligne : https://drive.google.com/file/d/1ve1EQeASe3mqkTpkqz0ZFQG6fgEMbxns/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34846
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Code-barres Cote Support Localisation Section Disponibilité 22419 - Périodique Bibliothèque principale Documentaires Disponible Comparing hair tensile testing in the wet and the dry state : Possibilities and limitations for detecting changes of hair properties due to chemical and physical treatments / Franz J. Wortmann in INTERNATIONAL JOURNAL OF COSMETIC SCIENCE, Vol. 44, N° 4 (08/2022)
[article]
Titre : Comparing hair tensile testing in the wet and the dry state : Possibilities and limitations for detecting changes of hair properties due to chemical and physical treatments Type de document : document électronique Auteurs : Franz J. Wortmann, Auteur ; Jutta M. Quadflieg, Auteur ; Gabriele Wortmann, Auteur Année de publication : 2022 Article en page(s) : p. 421-430 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Analyse de variance En statistique, l'analyse de la variance (terme souvent abrégé par le terme anglais ANOVA : ANalysis Of VAriance) est un ensemble de modèles statistiques utilisés pour vérifier si les moyennes des groupes proviennent d'une même population. Les groupes correspondent aux modalités d'une variable qualitative (p. ex. variable : traitement; modalités : programme d'entrainement sportif, suppléments alimentaires ; placebo) et les moyennes sont calculés à partir d'une variable continue (p. ex. gain musculaire).
Ce test s'applique lorsque l'on mesure une ou plusieurs variables explicatives catégorielles (appelées alors facteurs de variabilité, leurs différentes modalités étant parfois appelées "niveaux") qui ont de l'influence sur la loi d'une variable continue à expliquer. On parle d'analyse à un facteur lorsque l'analyse porte sur un modèle décrit par un seul facteur de variabilité, d'analyse à deux facteurs ou d'analyse multifactorielle sinon. (Wikipedia)
Cheveux -- analyse
Cheveux décolorés
Cheveux humides
Cheveux secs
Essais dynamiques
Justification de l'allégation
Statistique
Traction (mécanique)
Traitement thermiqueIndex. décimale : 668.5 Parfums et cosmétiques Résumé : - Objectives : This investigation focuses, first, on the question to which extent wet and dry tensile tests on human hair may be considered as leading to independent results. Second, we try to assess the sensitivities of wet and dry-testing to detect changes of mechanical properties. Specifically, we were interested in separating changes, which were induced by a combination of a chemical (oxidation/bleach) and a physical treatment (heat).
- Methods : The basis for our study are data for the tensile properties (wet and dry) of a set of untreated and bleached hair tresses, which were submitted to the same schedule of thermal treatments. As characteristic tensile parameters, we chose modulus (E), break extension (BE), and break stress (BS). First, parameters were analysed across treatments for the correlations between wet and dry data. Second, we applied two-factor analysis of variance to assess the effects of the factors and their potential interaction.
- Results : Correlations for the dry versus wet data show only a weak relationship for E, while coefficients of determination (R2) are quite high for BE and BS. Two-factor ANOVA enables to quantify the various contributions to the Total Sum-of-Squares for all three parameters. We show that the parameters respond quite differently to the chemical and the thermal treatments as well as to testing conditions (wet or dry). It is of interest to note that the interaction between the chemical and the physical treatment is generally quite weak. For the interpretation of the results, we use the concept of the humidity-dependent as well as strain-induced glass transition of the amorphous matrix.
- Conclusions : The independence hypothesis for dry and wet tensile measurements only applies for modulus. Overall, we consider modulus (wet) as the best tensile measure of fibre damage when assessing chemical and/or physical treatments. Under ambient conditions (dry), break stress is shown to be a feasible alternative measure.Note de contenu : - EXPERIMENTAL : Materials and methods - Choice of variables, basic data, and statistical analysis - Correlations wet vs dry - 2-Factor ANOVA
- DISCUSSION : The independence hypothesis - Two-Factor ANOVA
- Table 1 : Summary of basic statistics for the investigated variables for natural/chemically untreated (N) and bleached (B) hair
- Table 2 : Parameter values of the regression equations, when plotting variable means (n = 8) for dry vs wet testing
- Table 3 : Summary of the various sum-of-squares (SS) components for the three chosen variables (wet and dry), according to EquationsDOI : https://doi.org/10.1111/ics.12796 En ligne : https://drive.google.com/file/d/1lf_6im_y7ozRCbt5z_EPSBMWt4BrXRLh/view?usp=shari [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=38142
in INTERNATIONAL JOURNAL OF COSMETIC SCIENCE > Vol. 44, N° 4 (08/2022) . - p. 421-430[article]Comparison of physico-mechanical and physical-chemical properties of leather tanned using different methods / Malgorzata Kowalska in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 99, N° 6 (11-12/2015)
[article]
Titre : Comparison of physico-mechanical and physical-chemical properties of leather tanned using different methods Type de document : texte imprimé Auteurs : Malgorzata Kowalska, Auteur ; Malgorzata Przybylek, Auteur ; Anna Zbikowska, Auteur Année de publication : 2015 Article en page(s) : p. 302-306 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Cuirs et peaux -- Propriétés mécaniques
Déchirure (mécanique)
Douceur (toucher)
Essais dynamiques
Humidité -- Absorption:Eau -- Absorption
Perméabilité
Plasticité
Statistique
Tannage au chrome
Traction (mécanique)
Vapeur d'eauIndex. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : The aim of this work was to analyse physico-mechanical and physico-chemical properties of chrome leather, chrome-free and no-pickle chrome tanned leather. Leather was tested for tensile and tear strength. In addition, dome plasticity of grain, softness, absorption and permeability of water and water vapour were determined.
The properties of no-pickle leathers tanned with chrome and mineral-free tanned were found to exhibit no significant differences from those tanned using traditional methods, even showing a greater tensile strength. Softness was the sole parameter where a poorer performance was observed. it was preliminarily concluded, therefore, that introduction of more environment-friendly technologies requires a more thorough leather processing at the wet finishing stage in order to arrive at a desired leather quality comparable to that of the chrome tanned leather.En ligne : https://drive.google.com/file/d/15FTru7L4ltMe8pa0hf8UEEG3qHOsITuY/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=25104
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Code-barres Cote Support Localisation Section Disponibilité 17683 - Périodique Bibliothèque principale Documentaires Disponible Comparison of whole-head and split-head design for the clinical evaluation of anti-dandruff shampoo efficacy / Yuanyuan Diao in INTERNATIONAL JOURNAL OF COSMETIC SCIENCE, Vol. 43, N° 5 (10/2021)
PermalinkComplete inhibition of hexavalent chromium formation from chrome-tanned leather with combined inhibitors / Koki Ogata in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 101, N° 1 (01-02/2017)
PermalinkCorrelation of differential thermal analysis data with the shrinkage temperature of collagen and leather / J. Naghski in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXI (Année 1966)
PermalinkCorrelation of visual and instrumental color measurements to establish color tolerance using regression analysis / Malathy Jawahar in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CX, N° 12 (12/2015)
PermalinkCreating a high-quality wool-oriented Turkish merino herd and investigation of mechanical and dyeability properties of fabrics produced from Turkish merino in comparison with Australian merino / Riza Atav in COLORATION TECHNOLOGY, Vol. 139, N° 6 (12/2023)
PermalinkCritical view on the possibility of color changes prediction in the surfaces of painted wood exposed outdoors using accelerated weathering in Xenotest / Milos Panek in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 16, N° 2 (03/2019)
PermalinkA critique of the Taguchi approach - Part II : an alternative that is more efficient / John L. McGovern in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 66, N° 831 (04/1994)
PermalinkDeer leather as a material for outerwear / S. Lange in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 86, N° 4 (07-08/2002)
PermalinkDelivering probiotics via just-add-water tech / James V. Gruber in GLOBAL PERSONAL CARE, Vol. 23, N° 6 (06/2022)
PermalinkDesign, synthesis and characterization of linear unnatural amino acids for skin moisturization / N. R. Arezki in INTERNATIONAL JOURNAL OF COSMETIC SCIENCE, Vol. 39, N° 1 (02/2017)
PermalinkDetermination of chloride and sulphate ions in leather pickling liquor by low-pressure ion chromatography / Bo Li in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 88, N° 1 (01-02/2004)
PermalinkDetermination of fatty acid methyl esters in cosmetic castor oils by flow injection–electrospray ionization–high‐resolution mass spectrometry / M. A. Arroyo Negrete in INTERNATIONAL JOURNAL OF COSMETIC SCIENCE, Vol. 40, N° 3 (06/2018)
PermalinkDeveloping new marine antifouling surfaces : Learning from single strain laboratory tests / Sara I. Faria in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 211, N° 4668 (04/2021)
PermalinkDevelopment and qualification of a machine learning algorithm for automated hair counting in INTERNATIONAL JOURNAL OF COSMETIC SCIENCE, Vol. 43, N° S1 (11/2021)
PermalinkDevelopment of a skin microbiome diagnostic method to assess skin condition in healthy individuals : Application of research on skin microbiomes and skin condition / Yuki Kotakeyama in INTERNATIONAL JOURNAL OF COSMETIC SCIENCE, Vol. 43, N° 6 (12/2021)
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