鼻内窥镜下Nd:YAG激光热凝筛前神经治疗变应性鼻炎

采用鼻内窥镜下NdYAG激光热凝筛前神经治疗变应性鼻炎患者37例,随访观察1年.结果显效29例,有效5例,总有效率92.7%,3例无效.结论鼻内窥镜下NdYAG激光热凝筛前神经是治疗过敏性鼻炎的一种安全、有效的方法.     

白果过敏蛋白及其过敏原性研究

对白果的主要过敏蛋白进行鉴定,并对其过敏原性进行分析。以SDS-PAGE和Western-Blotting分析鉴定白果蛋白提取液中的蛋白质组分和过敏蛋白,通过间接ELISA法检测过敏小鼠血清中sIgE的效价。白果的蛋白质条带主要有13条,其中以21kD和32kD含量最多。Western-Blotting分析结果表明,白果蛋白中存在3条过敏原蛋白,分子质量分别为21、32、36kD。当酶标二抗稀释度为1:1000,白果蛋白包被质量浓度为50μg/mL,间接ELISA测得过敏小鼠血清中sIgE的效价为1:6400。对白果蛋白进行分析鉴定,明确了白果中存在的过敏原蛋白。     

A comparative study on the antioxidative and anti‐allergic activities of fresh and aged black garlic extracts

The antioxidative and anti‐allergic activities of fresh and aged black garlic extracts were investigated. The garlic samples were extracted with 70% ethanol (v/v) and the total phenolic content was measured. The antioxidant capacity of extracts was assessed by determining the scavenging activities on 1,1‐diphenyl‐2‐picrylhydrazyl and hydroxyl radicals, ferricyanide reducing power, ferrous ion‐chelating ability and inhibitory effect on linoleic acid peroxidation. The anti‐allergic activity of extracts was analysed by measuring their inhibitory effects against β‐hexosaminidase release. The aged black garlic exhibited significantly higher phenolic content and greater antioxidative activity than fresh garlic. Both garlic extracts showed strong antioxidant capacity in a dose‐dependent manner. On the other hand, a considerably higher suppression of β‐hexosaminidase release was found in fresh garlic extract at lower concentration compared with that of the black garlic. Results of this study illustrate that ageing of garlic could enhance its antioxidant capacity, but could decrease its anti‐allergic activity.     

化妆品中过敏性香料及检测技术研究进展

介绍了化妆品中过敏性香料化合物的种类、相关法规。综述了国内外相关检测方法,包括气相色谱法、气相色谱-质谱法、气相色谱-三重四极杆质谱法、液相色谱法、液相色谱-串联质谱法、多维气相色谱法、多维气相色谱-质谱联用法、气相色谱-傅里叶变换红外光谱联用技术等,并对各方法的适用范围、优缺点等进行了介绍。展望了二维色谱-质谱联用检测技术在此领域的应用前景。     

Dermatology and the cosmetic industry

Co-operation between the cosmetic industry and dermatology is essential for identifying potentially hazardous substances and ensuring optimal product safety. With dermatological consultation, epidemiological surveys of patients or employees in the cosmetic, toiletry or chemical industry provide useful information to distinguish product-induced or occupational dermatitis from other types of contact dermatitis or constitutional disease (such as psoriasis, lichen planus, or disorders of collagen or immune response). Some examples of the inherent complexities of this process and the solutions that have been achieved are presented. Care is necessary by dermatologists and cosmetic scientists in carrying out controlled use trials and interpreting patch test results in the search for an offending ingredient. Some medical conditions and treatment regimens of the patient/consumer that may affect the response to a cosmetic ingredient are mentioned.
La dermatologie et l'industrie cosmétique     

花生过敏及其主要致敏原Ara h1的研究进展

花生是一种具有致敏作用的重要食品,能够引起严重的过敏反应。花生的致敏性研究是食物安全研究领域的一个重要课题。本文主要论述了近年来花生致敏现状及花生主要致敏原Ara h1研究进展,包括花生致敏特点、脱敏方法等方面的内容。对降低花生引起的过敏反应风险具有一定意义,同时为对花生过敏者的临床脱敏治疗提供理论依据。