Results 51 to 60 of about 31,940 (170)

Géomorphologie et diversité végétale des marais du Cap Marteau et de l’Isle-Verte, estuaire du Saint-Laurent, Québec [PDF]

open access: yes, 2006
Cet article traite de l’influence des caractéristiques géomorphologiques et sédimentologiques sur la diversité végétale de trois marais de l’estuaire maritime du Saint-Laurent soumis aux mêmes conditions marégraphiques, mais situés à des degrés ...
Bernatchez, Pascal   +2 more
core   +1 more source

Cyclic combing of untreated and bleached human hair: Analysis of the time‐dependent breakage of hair through recording the formation of fibre fragments

open access: yesInternational Journal of Cosmetic Science, EarlyView.
One important aspect of daily hair grooming routines is whether, after combing, conspicuous numbers of broken hairs are observed. Machine‐based cyclic combing of hair tresses serves as a good indicator for early hair breakage and as a suitable measure to determine the effect of an ingredient/product/process on hair ‘strength’.
Thomas Davies   +2 more
wiley   +1 more source

Reinventing henna: Enzyme‐catalysed colour release from stabilized Lawsonia inermis L. extracts

open access: yesInternational Journal of Cosmetic Science, EarlyView.
The instability and reduced dyeing performance of a cosmetic formulation containing 2‐hydroxy‐1,4‐naphthoquinone (lawsone), derived from Lawsonia inermis L., is demonstrated in comparison to a novel two‐component system. This system comprises one formulation with naturally occurring lawsone precursors and a second containing a specific hydrolase ...
Nele Dallmann   +2 more
wiley   +1 more source

Compatibility of personal care thickening polymers in sulphate‐free surfactants

open access: yesInternational Journal of Cosmetic Science, EarlyView.
Phase behaviour for alpha olefin sulfonate surfactant 10–15 wt% combined with 1 wt% sodium carboxy methyl cellulose, clearly indicating the sensitivity in miscibility when adding various levels of background salt. Abstract Objective Formulators today know that when traditional surfactants and polymers are replaced new problems occur. What was before a ‘
Tobias Halthur   +4 more
wiley   +1 more source

Les bulles de travail : Comment les entreprises peuvent-elles rouvrir en réduisant le risque d’éclosions de la COVID-19? [PDF]

open access: yesCMAJ, 2021
Shaw J   +8 more
europepmc   +1 more source

Penetration enhancement effects of topically applied crosslinked hyaluronic acid

open access: yesInternational Journal of Cosmetic Science, EarlyView.
Cross‐linked hyaluronic acid (HA) was demonstrated to enhance the topical delivery of a variety of hydrophilic actives into the skin. This phenomenon was observed for both small molecules and macromolecules, the latter of which was analysed with MALDI mass spectrometry imaging (MALDI‐MSI).
Aaron Cohen   +7 more
wiley   +1 more source

Chimie : un vecteur vert

open access: yes, 2015
National audienceLes faits, longtemps sujets à discussion, sont désormais là. Le cinquième rapport du GIEC (2013) qualifie d'« extrêmement probable » un lien entre les dérèglements climatiques observés depuis 1950 et les variations de la composition de l'
Imberty, Anne   +3 more
core   +1 more source

Trop tôt ou trop tard? Choisir le bon intervalle pour les tests de dépistage. [PDF]

open access: yesCan Fam Physician, 2021
Dickinson JA   +5 more
europepmc   +1 more source

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