نتایج جستجو برای: contact reactions
تعداد نتایج: 324592 فیلتر نتایج به سال:
selective desulfurization of thiocarbonyls to carbonyls thioacetalization of aldehydes and ketones a useful reagent system for the dethioacetalization reactions
BACKGROUND Acrylates constitute an important cause of occupational contact dermatitis. Isobornyl acrylate sensitization has been reported in only 2 cases. We encountered an industrial process operator with occupational contact dermatitis caused by isobornyl acrylate. OBJECTIVES (i) To investigate whether it is relevant to add isobornyl acrylate to the (meth)acrylate test series. (ii) To repor...
Documented cases of oral mucosa and skin affections related to amalgam restorations are rare, although the exact incidence is unknown. Lesions of the oral mucosa may be due to specific immunologic or non-specific toxic reactions toward products generated from restorations. The immunologic reaction most probably involved in mucosal affections related to amalgam is the delayed or cell-mediated (t...
Implicit attitude research has expanded rapidly over the last decade and is seen as very promising as it counters biases present in much attitude research such as social desirability. However, most research in the area of intellectual disabilities has focused on explicit attitudes alone. This study examined implicit attitudes to this population and also examined their association with emotional...
The aim of the study was to determine the prevalence of contact sensitivity in patients with leg ulcers, and possible difference in the rate of contact hypersensitivity to standard series of allergens used in patch testing, and to particular topical agents used in local therapy of leg ulcers in special series, patients with and without atopy. The study included 60 patients, 45 female and 15 mal...
Sir, Adverse reactions from sunscreen ingredients have been increasingly reported, including allergic and irritant contact dermatitis, phototoxic and photoallergic reactions, contact urticaria and even severe anaphylactic reactions (1). UV filters, the active sunscreen components, are more frequently being added to cosmetic products such as lipsticks and moisturizing creams. Moreover, the varie...
A 68-year-old woman developed allergic contact dermatitis to topical metronidazole gel as proven by positive patch tests to the gel and to metronidazole. She was also allergic to methylchloroisothiazolinone and methylisothiazolinone (MC/MI). The similarity between the two molecules and the fact that the patient reacted to the gel after the very short incubation period of 1 day (i.e. not long en...
Immediate reactions against contact to raw potato has been reported in adults with generally being in the form of an oral contact dermatitis or contact urticaria, but it may also manifest as rhinitis symptoms, wheezing or even anaphylaxis. Cooked or raw potato allergy has been rarely reported in children as some is being immediate and others being late reactions, and it usually results from ing...
CONTACT WITH CORAL MAY CAUSE A RARE TYPE OF CONTACT DERMATITIS, AND THE RESULTING SKIN REACTION CAN BE DIVIDED INTO DIFFERENT REACTIONS: the acute, delayed and chronic types of coelenterate dermatitis. Granulomas of delayed skin reactions have rarely been reported. Herein, we report on a rare case of a delayed reaction of the skin to coral injury, and the patient displayed superficial granuloma...
Emerging evidence suggests that contact sites between different organelles form central hubs in the coordination of cellular physiology. Although recent work has emphasized the crucial role of the endoplasmic reticulum in interorganellar crosstalk, the cooperative behavior of other organelles is largely unexplored. Here, we identify a contact site named vCLAMP (vacuole and mitochondria patch) t...
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