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squamometry

Portuguese translation: Squamometry (use in English)..

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:squamometry
Portuguese translation:Squamometry (use in English)..
Entered by: airmailrpl

02:26 Jul 3, 2006
English to Portuguese translations [PRO]
Science - Surveying
English term or phrase: squamometry
I found this explanation on the net, but couldn't find the term in Portuguese:

Squamometry is a combination of sampling corneocytes by adhesive coated discs followed by colour measurements after staining the cells.

The text I'm translating is a study about tar and non-tar shampoos and one of the tests used in the study is "squamometry". I considered using the term "espectrofotometria", but I think it's not so correct. I hope you can help me!! Thanks!
aline naomi
Local time: 14:09
Squamometry (use in English)
Explanation:
Squamometry has nothing to do with spectrometers thus "espectrofotometria" would be totally incorrect


Squamometry as a screening method for the evaluation of hydrating products.

De Paepe K, Janssens K, Hachem JP, Roseeuw D, Rogiers V.

Department of Toxicology, Free University of Brussels, Belgium. [email protected]

BACKGROUND/AIMS: Squamometry is a combination of sampling corneocytes by adhesive coated discs followed by colour measurements after staining the cells. In this study, the correlation between stratum corneum (SC) hydration and scaling was investigated using capacitance measurements and squamometry, respectively.

METHODS: Stratum corneum hydration and assessment of barrier function by transepidermal water loss (TEWL) measurements were carried out on different sites of left and right volar forearm skin of female volunteers (n = 13; 24 +/- 3 years). D-Squame samples were taken on the same test spots. RESULTS: Visual evaluation of the coloured samples by light microscopy and the development of a four-point-scale scoring system was found to be necessary to detect and minimise overestimation of chroma C* values. Capacitance measurements revealed neither significant differences between corresponding sites on left and right forearms no between different skin areas on the same forearm.

Squamometric measurements, on the contrary, did not show any symmetry between corresponding test sites on both forearms or between different sites on one forearm. No correlation could be found between squamometric measurements and SC hydration values obtained at the same test sites. No skin barrier function impairment lays at the origin of this observation since TEWL values were found to be similar at all test sites in comparison to control skin. In a randomised single blind study, hydration and TEWL showed a significant improvement of 25% and 15%, respectively, after a 14-day application period of a moisturising cream. Although visual scoring of the coloured samples of both treated and untreated test spots revealed a good correlation with chroma C* values, the quantitative results found with squamometry were very doubtful. CONCLUSION: Squamometry with visual scoring can be proposed as a screening technique for SC hydration rather than a quantitative method to appreciate skin moisturisation.
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&d...

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Note added at 7 hrs (2006-07-03 09:55:24 GMT)
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good bibliography with squamometry references in the article below

and short term patch tests (15-30 minute application) on human volunteers, with subclinical evaluation of stratum corneum alterations by squamometry (5, 6).
http://altweb.jhsph.edu/publications/ECVAM/ecvam36-app1.htm
Selected response from:

airmailrpl
Brazil
Local time: 14:09
Grading comment
Thanks a lot!
3 KudoZ points were awarded for this answer



Summary of answers provided
4 +1Squamometry (use in English)
airmailrpl


  

Answers


6 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +1
Squamometry (use in English)


Explanation:
Squamometry has nothing to do with spectrometers thus "espectrofotometria" would be totally incorrect


Squamometry as a screening method for the evaluation of hydrating products.

De Paepe K, Janssens K, Hachem JP, Roseeuw D, Rogiers V.

Department of Toxicology, Free University of Brussels, Belgium. [email protected]

BACKGROUND/AIMS: Squamometry is a combination of sampling corneocytes by adhesive coated discs followed by colour measurements after staining the cells. In this study, the correlation between stratum corneum (SC) hydration and scaling was investigated using capacitance measurements and squamometry, respectively.

METHODS: Stratum corneum hydration and assessment of barrier function by transepidermal water loss (TEWL) measurements were carried out on different sites of left and right volar forearm skin of female volunteers (n = 13; 24 +/- 3 years). D-Squame samples were taken on the same test spots. RESULTS: Visual evaluation of the coloured samples by light microscopy and the development of a four-point-scale scoring system was found to be necessary to detect and minimise overestimation of chroma C* values. Capacitance measurements revealed neither significant differences between corresponding sites on left and right forearms no between different skin areas on the same forearm.

Squamometric measurements, on the contrary, did not show any symmetry between corresponding test sites on both forearms or between different sites on one forearm. No correlation could be found between squamometric measurements and SC hydration values obtained at the same test sites. No skin barrier function impairment lays at the origin of this observation since TEWL values were found to be similar at all test sites in comparison to control skin. In a randomised single blind study, hydration and TEWL showed a significant improvement of 25% and 15%, respectively, after a 14-day application period of a moisturising cream. Although visual scoring of the coloured samples of both treated and untreated test spots revealed a good correlation with chroma C* values, the quantitative results found with squamometry were very doubtful. CONCLUSION: Squamometry with visual scoring can be proposed as a screening technique for SC hydration rather than a quantitative method to appreciate skin moisturisation.
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&d...

--------------------------------------------------
Note added at 7 hrs (2006-07-03 09:55:24 GMT)
--------------------------------------------------

good bibliography with squamometry references in the article below

and short term patch tests (15-30 minute application) on human volunteers, with subclinical evaluation of stratum corneum alterations by squamometry (5, 6).
http://altweb.jhsph.edu/publications/ECVAM/ecvam36-app1.htm

airmailrpl
Brazil
Local time: 14:09
Works in field
Native speaker of: Native in EnglishEnglish, Native in PortuguesePortuguese
PRO pts in category: 18
Grading comment
Thanks a lot!

Peer comments on this answer (and responses from the answerer)
agree  Claudio Mazotti
1 hr
  -> thank you
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