旅店室内空气甲醛污染对从业人员健康影响的调查报告

本文以甲醛平均浓度为０．０５８ｍｇ／ｍ３的高级宾馆为接触组和平均浓度为０．０２０ｍｇ／ｍ３的普通招待所为对照组，对其从业人员的健康状况进行调查比较，结果表明：接触组的眼、鼻、咽刺激征、呼吸道症状、头晕、疲劳感、皮肤干燥、月经不调、多汗等自觉症状阳性检出率明显高于对照组，差异具有显著性。提示，旅店业甲醛污染对从业人员健康的影响不能忽视。改善室内环境、降低空气中甲醛浓度，对于保护人体健康具有重要意义。     

菌毒净在粉针剂无菌分装室空间灭菌的应用试验

菌毒净在药厂粉针剂无菌分装作为灭菌剂的应用试验。     

根管内封大蒜素对慢性根尖周炎的疗效观察

目的观察根管内封入大蒜素的临床疗效。方法选择60例慢性根尖周炎的患牙，随机分为大蒜素组和甲醛甲酚组。结果大蒜素和甲醛甲酚（FC）对慢性根尖周炎均有很好的疗效，两组比较差异无显著性（P〉0．05），疗效接近。结论大蒜素能有效地治疗慢性根尖周炎，且疗效与甲醛甲酚（FC）相近。     

新装修居室内空气污染甲醛对人体健康的影响

为了解新都区新建房装修后室内空气质量状况,我们于2002年12月中旬开展对部分新装修的居室进行空气质量监测,装修时间在3个月左右进行监测,对住户进行问答式调查,研究室内空气中甲醛污染状况和对人体健康影响.     

附子对大鼠的抗炎作用

本研究结果表明附子煎剂对巴豆油所致小鼠耳部炎症,甲醛所致大鼠脚跖肿胀有显著抑制作用,切除双侧肾上腺的大鼠,附子煎剂对甲醛所致的足跖肿胀仍有明显抑制作用。提示附子具有抗炎症作用,且附子的抗炎症作用与肾上腺系统无明显关系。     

用甲醛肟法测定白酒中的锰

用甲醛肟法对白酒中锰的含量进行测定，结果在所选浓度范围内线性关系良好，回收率９６．３８％～１０２．０５％，变异系数０．１４％～３．３８％。     

医学论文的基本要求

为了解我市水发食品的卫生状况,确保其食用安全,我们于2000年4月对唐山市销售的水发食品(含海产品)中甲醛含量进行卫生调查,报告如下。     

甲醛固定对阿片受体结合能力的影响

应用放射受体分析和体外受体放射自显影技术,研究了甲醛固定对阿片受体结合能力的影响。结果表明,1％多聚甲醛溶液中孵育30分钟或12小时,对大鼠脑膜阿片受体结合能力均无显著影响; 2％或4％多聚甲醛溶液中孵育30分钟,对阿片受体结合能力也无显著影响。经甲醛固定的脑切片上的阿片受体,与[~3H]-埃托啡结合的饱和曲线与新鲜脑切片的相似。用1％多聚甲醛固定的组织切片进行体外受体放射自显影,较好地显示了阿片受体的分布。这些结果提示,甲醛固定的组织可用于进行体外受体放射自显影研究。     

Eye lrritation caused by Formaldehyde as an Indoor AIr Pollution—A Controlled Human Exposure Experiment

Obejective　The present study focuses on health assessment of wood based panels which are widely used in interior decoration practices over the recent years in China. Formaldehyde has been identified as chemical indicator of (IAO) and an indoor air pollutant. To test its health effects experiment was undertaken. Method　A small environmental test chamber (60/L) was used as the generator of emission gas from new panels, and was operating at a temperature of 22.7±0.6℃ and a humidity of 44.4±2.5 % with an air exchange rate of 1.0±0.15h-1. On the three experimental days the values of product loading in chamber were 4, 2 and 6 m2/m3, respectively. Eight people were selected randomly from the students and employees of Wuhan Health and Anti-epidemic Station as subjects, with an average age of 21.9±5.9 years, and a gender ratio of 1:1, and two of them were smokers (one male and one female). The subjects' eyes were exposed to formaldehyde through a pair of goggles. Each goggle had its flow inlet and outlet, and connected to chamber exhaust of emission gas and to an exhaust from the room. The exposure time was very short, just 5 minutes and the formaldehyde doses were at 1.65±0.01, 2.99±0.07 and 4.31±0.02 ppm. A 60-mm linear visual analogue rating scales was used to measure the intensity of sensory eye irritation and a video tape recorder was used to record eye blinking frequency. Results　The results demonstrated that tests of sensory eye irritation and eye blinking can be used for materials testing, and that a dose-effect as well as a time-variance of the effect can be measured. Conclusion　The tests showed that eye irritation was perceived at all of the three levels.     

10%甲醛溶液固定组织作糖原PAS反应

制作糖原ＰＡＳ反应的组织块固定常规用 95%乙醇、Ｇｅｎｄｅｒ液、Ｃａｒｎｏｙ氏液等,这些固定液能较好地保存糖原。但高浓度的乙醇对含脂肪较少的组织收缩性太大,Ｇｅｎｄｅｒ氏液、Ｃａｒｎｏｙ氏液各需用几种试剂配制,且必须临时配制,组织在其中固定时间不超过 6小时,操作过程略显烦琐、时间不好安排。而10 %甲醛溶液是最常用的组织固定试剂,笔者试用10 %甲醛溶液固定的组织块作糖原ＰＡＳ反应,效果较好。现介绍如下：方法：取厚 2～ 3ｍｍ、大小不超过 5ｍｍ的新鲜组织块入 10 %甲醛溶液中室温固定 12～ 16小时,然后依次换入 …