Search Results - "Feather, J W"

A portable scanning reflectance spectrophotometer using visible wavelengths for the rapid measurement of skin pigments by Feather, J W, Hajizadeh-Saffar, M, Leslie, G, Dawson, J B

“…A portable rapid scan reflectance spectrometer (400-700 nm in 2.8 s) has been developed for the measurement of cutaneous pigments. The instrument incorporates…”
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A portable reflectometer for the rapid quantification of cutaneous haemoglobin and melanin by Feather, J W, Ellis, D J, Leslie, G

“…A portable reflectance instrument for the rapid quantification of cutaneous haemoglobin and melanin is presented. Light emitting diodes (LEDS) are used to…”
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An investigation of factors affecting the accuracy of in vivo measurements of skin pigments by reflectance spectrophotometry by Hajizadeh-Saffar, M, Feather, J W, Dawson, J B

“…Factors affecting the accuracy of the in vivo measurement of cutaneous pigments and blood oxygenation by reflectance spectrophotometry have been examined. It…”
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A theoretical and experimental study of light absorption and scattering by in vivo skin by Dawson, J B, Barker, D J, Ellis, D J, Grassam, E, Cotterill, J A, Fisher, G W, Feather, J W

“…A theoretical treatment has been developed for the optical properties of a layered structure which absorbs and scatters light. This theory predicts that the…”
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Therapeutic ratio of photodynamic therapy in the treatment of superficial tumours of skin and subcutaneous tissues in man by GILSON, D, ASH, D, DRIVER, I, FEATHER, J. W, BROWN, S

“…Six patients with a total of 34 assessible subcutaneous or cutaneous lesions were treated with photodynamic therapy using 1.0, 1.5 or 2.0 mg kg-1 of photofrin…”
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The measurement of dihematoporphyrin ether concentration in tissue by reflectance spectrophotometry by Patterson, M S, Wilson, B C, Feather, J W, Burns, D M, Pushka, W

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The usefulness of reflectance spectrophotometric measurements during psoralens and ultraviolet A therapy for psoriasis by Ryatt, K S, Feather, J W, Dawson, J B, Cotterill, J A

“…Reflectance spectrophotometry was used to obtain indices of the hemoglobin and melanin content of psoriatic lesions and adjacent clinically normal skin in…”
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Reflectance spectrophotometric quantification of skin colour changes induced by topical corticosteroid preparations by Feather, J W, Ryatt, K S, Dawson, J B, Cotterill, J A, Barker, D J, Ellis, D J

“…Reflectance spectrophotometry was used to observe the degree of vasoconstriction induced by topically applied corticosteroids. The average blanching…”
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Skin reflectance measurements of patch test responses by Mendelow, A Y, Forsyth, A, Feather, J W, Baillie, A J, Florence, A T

“…Skin reflectance values were used as an objective measure of skin haemoglobin content at patch test sites to facilitate quantification of the erythematous…”
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The stability and blanching efficacy of betamethasone-17-valerate in emulsifying ointment by Ryatt, K S, Feather, J W, Mehta, A, Dawson, J B, Cotterill, J A, Swallow, R

“…The bio-availability of betamethasone-17-valerate (Betnovate ointment) in emulsifying ointment (1 in 4 dilution) was investigated in ten subjects using a…”
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Light delivery to tumour tissue through implanted optical fibres during photodynamic therapy by Feather, J. W., Driver, I., King, P. R., Lowdell, C., Dixon, B.

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A method for the construction of disposable cylindrical diffusing fibre optic tips for use in photodynamic therapy by Feather, J. W., King, P. R., Driver, I., Dawson, J. B.

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Coagulation of blood at the tip of optical fibres used for light delivery in photodynamic therapy by Driver, I., Feather, J. W., King, P. R., Dawson, J. B.

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