A novel method of preparing the macrporous nickel coating was described. The macrporous nickel coating was fabricated by employing nano-silica as the template. The effects of technological conditions and the concentration of the additives on the surface quality of coating were investigated, the nano-silica was characterized transmission electron microscopy (TEM) and laser particle size analyzer...

BACKGROUND Patch testing is an essential procedure in the investigation of eczema in children. OBJECTIVES To analyse the frequency of contact hypersensitivity and allergic contact dermatitis among Polish children with eczema. PATIENTS/METHODS During an allergy screening programme involving 9320 children aged 7 and 16 years, 12.6% reported symptoms of chronic/recurrent eczema. From this grou...

BACKGROUND As a modification of patch testing, the strip patch test was established to obtain more sensitive and reliable test results. Comparative data on diagnostic accuracy for both tests are missing. OBJECTIVES To compare the diagnostic accuracy of strip patch tests and patch tests in detecting sensitizations in patients with suspected allergic contact dermatitis by using patient history ...

The aim of the study was to evaluate the circulating antioxidant such as vitamin C, vitamin E and GSH in nickel (Ni) induced toxicity in rats and in vitro free radical scavenging assay. In this investigation nickel sulfate (20 mg/kg body weight (b.w.) was administered intraperitoneally (i.p.) for 20 days to induce toxicity. Naringin was administered orally (80 mg/kg body weight) for 20 days wit...

BACKGROUND Allergic contact dermatitis is a common disorder in adults and children alike and appears to be on the increase. The purpose of this study was to determine the sensitization trends in Iranian children with contact dermatitis. METHODS The result of 109 patch tests performed using the 24 allergens of the European Standard Series in patients below 18 years old from September 2007 to M...

This paper aims to present an experimental investigation for optimum tribological behavior (wear depth and coefficient of friction) of electroless Ni-P-Cu coatings based on four process parameters using artificial bee colony algorithm. Experiments are carried out by utilizing the combination of three coating process parameters, namely, nickel sulphate, sodium hypophosphite, and copper sulphate,...

Results Two hundred and thirty six patients were submitted to contact test. Seventy five (31.8%) elderly (> 60 years) and 161 (68.2%) non-elderly (10-59 years). Among elderly, 46 (62.7%) had positive tests, and 29 (37.3%) negative tests. In non-elderly , 112 (69.6%) had positive and 49 (30.4%) negative tests. Despite the difference in positivity between elderly and non-elderly patients, the res...

This study was designed to determine the effect of nickel treatment on biological half-lives of 65Zn in whole body and liver as well as on distribution of 65Zn in different organs of protein deficient rats. Nickel sulfate at a dose level of 800mg/l in drinking water was administrated to normal control as well as to protein deficient rats for 8 weeks. A significant increase was found in fast and...

Aim: Nickel, which has a wide usage area in industries, teratogenic, carcinogenic, immunotoxic, and genotoxic effects. In this study, the protective effects of lycopene, antioxidant properties, were investigated against genotoxicity caused by nickel sulfate. Materials Methods: total 24 rats (Wistar albino) divided into four groups: Group I (control) daily saline intraperitoneal (i.p.) corn oil ...