Quantification of para-phenylenediamine and heavy metals in henna dye.

abstract：:Effects of test techniques on neomycin patch test results have not been thoroughly investigated. This study focuses on effects of dose and application time of neomycin sulfate patch tests on test results. The effects are assessed both visually and by perfusion. 16 subjects positive to neomycin are retested with neomyc...

journal_title：Contact dermatitis

authors： Bjarnason B,Flosadóttir E

更新日期：2000-11-01 00:00:00

abstract：:The local lymph node assay (LLNA) is used for assessing sensitizing potential in hazard identification and risk assessment for regulatory purposes. Sensitizing potency on the basis of the LLNA is categorized into extreme (EC3 value of ≤0.2%), strong (>0.2% to ≤2%), and moderate (>2%). To compare the sensitizing potenc...

journal_title：Contact dermatitis

authors： Lidén C,Yazar K,Johansen JD,Karlberg AT,Uter W,White IR

更新日期：2016-11-01 00:00:00

abstract：:The introduction of the euro has revived interest in the risk of nickel allergy due to the handling of coins. In the present work, the transfer of metallic contamination during the manipulation of coins is examined by means of leaching experiments and manipulation tests. It is shown that pre-existing metallic species ...

journal_title：Contact dermatitis

authors： Fournier PG,Govers TR

更新日期：2003-04-01 00:00:00

abstract：:Deodorized kerosene in a concentration of 50 g/100 g in pet. did not cause cutaneous inflammation in 10 control guinea pigs. The proportion of 19 guinea pigs exhibiting inflammation following exposure to deodorized kerosene in the guinea pig maximization test increased, but the increase was not significant. The respon...

journal_title：Contact dermatitis

authors： Nethercott JR,Lawrence M

更新日期：1983-11-01 00:00:00

abstract：:Common emulsifiers were tested in over 1,200 patients with eczema. Triethanolamine stearate tested at 5% in petrolatum caused irritant reactions in 9.5% of the patients. On the other hand, non-ionic emulsifying agents tested at 10-20% produced irritation in only a few cases. Allergic reactions were found in 2.1% of th...

journal_title：Contact dermatitis

authors： Hannuksela M,Kousa M,Pirilä V

更新日期：1976-08-01 00:00:00

abstract：:In an evaluation of the safety of new chemicals, of products containing them, or of novel formulations of existing chemicals which may come into contact with the skin, it is important to incorporate an assessment of specially susceptible sub-populations. Such a group is represented by those who are more likely to expe...

journal_title：Contact dermatitis

authors： Basketter DA,Griffiths HA

更新日期：1993-10-01 00:00:00

abstract：:The aim of our study was to investigate the risk and characteristics of self-reported skin diseases among hydrotherapists. We attempted to contact 400 adults who participated in 1 of 2 training courses. 248 were reached and 190 of them (76.6%) completed the questionnaires. The data were collected by means of a telepho...

journal_title：Contact dermatitis

authors： Lazarov A,Nevo K,Pardo A,Froom P

更新日期：2005-12-01 00:00:00

abstract：BACKGROUND:Allergic contact dermatitis caused by leather is common, and several responsible allergens, such as tanning agents, glues, mercaptobenzothiazole derivatives, and dyes, but also antimicrobials and antifungals, are involved. MATERIAL AND METHODS:Three female patients were referred to the Departments of Dermat...

journal_title：Contact dermatitis

authors： Herman A,Goossens A,Tennstedt D,Bergendorff O,Isaksson M,Mowitz M,Baeck M

更新日期：2019-10-01 00:00:00

abstract：:In cases of conjunctivitis associated with the use of soft lenses, delayed hypersensitivity to disinfecting components of the used soft lens liquids has to be considered. In 7/15 patients, positive patch test reactions to merthiolate, chlorhexidine or the soaking solutions were observed. The significance of these find...

journal_title：Contact dermatitis

authors： van Ketel WG,Melzer-van Riemsdijk FA

更新日期：1980-08-01 00:00:00

abstract：:The present study aimed at evaluating the effects of daily repeated exposures to low cobalt or chromate concentrations on the hands of patients with hand eczema and cobalt or chromate allergy. For 2 weeks, the patients immersed a finger for 10 min daily into the appropriate metal salt solution in water. During the 1st...

journal_title：Contact dermatitis

authors： Nielsen NH,Kristiansen J,Borg L,Christensen JM,Poulsen LK,Menné T

更新日期：2000-10-01 00:00:00

abstract：:The irritant potential of calcipotriol, 1 alpha,24-dihydroxyvitamin D3 (tacalcitol) and 1 alpha,25-dihydroxy-vitamin D3 (calcitriol) was compared in a hairless guinea pig model, Randomized, occlusive patch testing for 2 days was used. Each group of 8 animals was tested simultaneously with the 3 substances and a placeb...

journal_title：Contact dermatitis

authors： Fullerton A,Serup J

更新日期：1997-04-01 00:00:00

abstract：:A tire assembler developed contact dermatitis from IPPD, a rubber antioxidant. The lichenoid clinical pattern corresponded histologically to lichenified dermatitis. Tire assemblers appear to acquire contact dermatitis to this aromatic amine more frequently than any other workers in the tire manufacturing industry. Pos...

journal_title：Contact dermatitis

authors： Ancona A,Monroy F,Fernández-Diez J

更新日期：1982-03-01 00:00:00

abstract：:The irritation potential of surfactants and body cleansing products was determined by evaluating the removal of dansyl chloride from the skin. Dilute solutions (2% active ingredient, w/v) of surfactants and soap extract fluorescence from the skin within 30 min. This is probably a physicochemical effect as it is too ra...

journal_title：Contact dermatitis

authors： Paye M,Simion FA,Pierard GE

更新日期：1994-02-01 00:00:00

abstract：:A 30-year-old male developed asthma and pruritus after using an insecticidal spray (Pyrex). The same symptoms appeared with an alcoholic skin disinfectant (M-sprit) and other spirituous preparations denaturated with denatonium benzoate (Bitrex). An open epicutaneous test (20 min) showed wheal and erythema to Pyrex, M-...

journal_title：Contact dermatitis

authors： Björkner B

更新日期：1980-12-01 00:00:00

abstract：BACKGROUND:Colophonium is a common contact allergen that is present not only in household products but also in occupational settings. OBJECTIVES:To describe the sources of occupational exposure to colophonium and the occupations at risk of colophonium allergy. METHODS:We reviewed patch test files from the years 2002 ...

journal_title：Contact dermatitis

authors： Pesonen M,Suuronen K,Suomela S,Aalto-Korte K

更新日期：2019-01-01 00:00:00

abstract：:The epidermal response to 2 different irritants, nonanoic acid (NAA) and sodium lauryl sulfate (SLS), was investigated with 2 different methods. NAA 80% and SLS 4% were applied under occlusion for up to 24 h. Elemental changes were determined in cryosections by x-ray microanalysis. Compared to unexposed skin a signifi...

journal_title：Contact dermatitis

authors： Grängsjö A,Leijon-Kuligowski A,Törmä H,Roomans GM,Lindberg M

更新日期：1996-12-01 00:00:00

abstract：:An experimental study is reported of the irritant potential of oil of purcellin , isopropyl palmitate, nonyl phenol, Modulan , Amerchol and Acetulan when massaged in fixed amounts into the rabbit's skin daily for 30 days. Skin biopsies provided data on the number of epithelial cell layers, cell counts of the superfici...

journal_title：Contact dermatitis

authors： Rantuccio F,Sinisi D,Coviello C,Conte A,Scardigno A

更新日期：1984-04-01 00:00:00

abstract：BACKGROUND:The development of persistent itchy nodules at the injection site following hyposensitization therapy with aluminium-precipitated antigen extract has been described in several reports. Occasionally, contact allergy to aluminium has been reported in individuals with such nodules. OBJECTIVES:To investigate if...

journal_title：Contact dermatitis

authors： Netterlid E,Hindsén M,Björk J,Ekqvist S,Güner N,Henricson KA,Bruze M

更新日期：2009-01-01 00:00:00

abstract：BACKGROUND:Hand eczema is a disease with large variation in clinical presentation and severity. Scoring systems for quantitative severity assessment exist. However, they are observer-dependent. An objective quantitative tool for scoring of hand eczema would improve categorization of hand eczema. OBJECTIVE:To investiga...

journal_title：Contact dermatitis

authors： Hald M,Thyssen JP,Zachariae C,Røpke MA,Carstensen JM,Schultz N,Johansen JD

更新日期：2019-12-01 00:00:00

abstract：:Recognizing the growing need for international standardization of photopatch testing techniques, a standard procedure has been used by Scandinavian dermatological clinics since January 1980. The set-up includes a standardized patient examination scheme, including phototest evaluation of the patient's UVA- and UVB-sens...

journal_title：Contact dermatitis

authors： Jansén CT,Wennersten G,Rystedt I,Thune P,Brodthagen H

更新日期：1982-05-01 00:00:00

abstract：:A chemical operator handling dimethyl acetylenedicarboxylate (DMAD) developed delayed and pain-free burns on one of his feet 2 days after a supposed spillage of DMAD. The injuries were confirmed to be associated with DMAD by chemical analysis of the operator's safety boot and patch tests. DMAD easily penetrates some p...

journal_title：Contact dermatitis

authors： Slovak AJ,Payne AR

更新日期：1984-07-01 00:00:00

abstract：BACKGROUND:Protein contact dermatitis is a frequent disorder among hand eczema patients who have occupational food contact. Knowledge about the consequences of having protein contact dermatitis is lacking. OBJECTIVES:To investigate the consequences of having occupational skin disease on the hands resulting from food h...

journal_title：Contact dermatitis

authors： Vester L,Thyssen JP,Menné T,Johansen JD

更新日期：2012-12-01 00:00:00

abstract：:High frequencies of contact allergy to fragrance ingredients have been reported in recent years. Only approximately 70-80% are detected by fragrance allergens in the standard patch test series. This investigation compares the patch test reactions to fine fragrances with reactions to fragrance mix (FM), balsam of Peru ...

journal_title：Contact dermatitis

authors： Trattner A,David M

更新日期：2003-12-01 00:00:00

abstract：BACKGROUND:There is a lack of prospective studies investigating contact sensitization in patients with chronic leg ulcers. OBJECTIVES:To determine the frequency of contact sensitization in patients with chronic leg ulcers using a special series of patch tests and to determine whether the number of sensitizations was c...

journal_title：Contact dermatitis

authors： Barbaud A,Collet E,Le Coz CJ,Meaume S,Gillois P

更新日期：2009-05-01 00:00:00

abstract：BACKGROUND:Cobalt release from dental prostheses has been shown to elicit allergic reactions in cobalt-allergic patients. It is therefore important to investigate whether these prostheses are possible sources of sensitization. OBJECTIVES:To assess (i) cobalt release from dental prostheses and (ii) allergic reactions t...

journal_title：Contact dermatitis

authors： Al-Imam H,Benetti AR,Özhayat EB,Pedersen AM,Johansen JD,Thyssen JP,Jellesen MS,Gotfredsen K

更新日期：2016-12-01 00:00:00

abstract：:In four patients suffering from allergic contact eczema, the risk of sensitization to a new residue-leaving fungicide (Plondrel) used in spraying roses is considered. Two patients, however, were probably also sensitized to materials from the roses themselves. By gas-liquid chromatography the amount of the fungicide, e...

journal_title：Contact dermatitis

authors： van Ketel WG

更新日期：1975-10-01 00:00:00

abstract：:As one step in defining the clinical relevance of exposure to an allergen identified with patch testing, use tests (provocative use test (PUT), and repeated open application test (ROAT)) have been used. In 1/2 of the cases of seemingly reliable patch tests, use tests are negative, suggesting that the patient's biologi...

journal_title：Contact dermatitis

authors： Nakada T,Hostynek JJ,Maibach HI

更新日期：2000-07-01 00:00:00

abstract：:Numerous studies have focused attention on the influence of various biological and environmental factors on contact hypersensitivity. In order to evaluate the persistence and/or modification of allergic contact sensitivity to a number of common contact sensitizers, the same standardized patch tests were repeated on 17...

journal_title：Contact dermatitis

authors： Ayala F,Balato N,Lembo G,Patruno C,Fabbrocini G,Nofroni I,Magliocchetti N,Schena D,Rafanelli A,Seidenari S,Motolese A,Angelini G,Tosti A,Saccabusi S,Pigatto P,Lisi P

更新日期：1996-05-01 00:00:00

abstract：:Commercial dental restorative materials were analysed in order to obtain information about the occurrence of sensitizing acrylates. Acetone-soluble methacrylates of 7 bonding materials, 8 composite resins and 2 glass ionomers were identified by gas chromatography with mass-selective detection and quantified by liquid ...

journal_title：Contact dermatitis

authors： Henriks-Eckerman ML,Suuronen K,Jolanki R,Alanko K

更新日期：2004-04-01 00:00:00

abstract：:In recent years, there has been a dramatic rise in our understanding of contact dermatitis. This paper is a review of our knowledge of the mechanisms involved in contact dermatitis and related phenomena, the investigation of these events and the emergence of significant new allergens during the last 5 years. ...

journal_title：Contact dermatitis

authors： Andersen KE,Benezra C,Burrows D,Camarasa J,Dooms-Goossens A,Ducombs G,Frosch P,Lachapelle JM,Lahti A,Menné T

更新日期：1987-02-01 00:00:00