推動立法 保護民眾 政府責無旁貸 打造安全的電磁波環境(西元2007)

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推動立法 保護民眾 政府責無旁貸 
打造安全的電磁波環境

陳椒華 台灣電磁輻射公害防治協會理事長、嘉南藥理科技大學副教授


    有關基地台、手機、無線電台,甚至無線上網IP分享器、筆記型電腦及電腦裝置無線網卡進行無線上網時,所發射電磁波是否對民眾造成危害已漸受到重視。為提醒社會大眾重視電磁波可能危害,近日台灣環境保護聯盟(簡稱環盟)公佈無線上網相關設備發射高頻電磁波情形,呼籲民眾重視,也建議政府應遵循環境基本法,提出預防策略,以免民眾健康受到不當電磁波暴露傷害。至於針對環盟所採用儀器、檢測方式,以及目前政府所採用標準值情形所引起之爭議討論,特藉此再做補充說明。

採用儀器及檢測情形

     環盟檢測無線上網高頻電磁波所用檢測器乃德國進口之快速概略式檢測儀,檢測頻率從八百MHz到二.五GHz,於筆記型電腦周邊裝設無線網卡位置處,於距離十公分左右,觀察記錄儀器上的數字。檢測時先檢測環境背景值,排除於檢測頻率波段內其他可能發射高頻電磁波源干擾,包括手機、基地台、微波爐、家庭無線電話等,結果多數筆記型電腦於無線上網時皆有電磁波發射情形。環盟所使用之檢測儀器與方式乃一般大眾可運用之簡易式檢測器,以了解環境中之大略電磁波值,主要是快速並概略性估算空間電磁波發射量,讓消費者在短時間內知道所接觸的數值,或許不精確,但不代表錯誤。另外,環盟所檢測數值與國家通訊傳播委員會 (NCC)所測數值接近,證實此法可行。

環境背景值及室內安全電磁波值

     環盟應用高頻電磁波檢測器檢測環境之背景值,乃於確定無上述所提可能發射出高頻電磁波情形下進行。一般遠離基地台或無線上網IP分享器處,多數地點之高頻電磁波背景值只有 0.1微瓦/平方公尺,甚至趨近於零。環盟提出室內長久停留處不應有過高電磁波值,應遵循如奧地利薩爾斯堡市之衛生單位所提出室內之高頻電磁波安全值為1 微瓦/平方公尺(μW/),室外為10微瓦/平方公尺;抑或遵循2003年德國IBE(International institute of Building Blau and Ecology)所提出 Building Biology Guidelines,規範室內環境或睡眠環境的安全電磁波值,為低於5微瓦/平方公尺。

宜使用有線上網

指導論文_利用分子生物技術進行醋酸菌篩選及鑑定之研究(2007)

指導論文
論文
標題
Isolation and identification of acetic acid bacteria isolates based on molecular techniques
(利用分子生物技術進行醋酸菌篩選及鑑定之研究)
研究生
Min-hsiu Chang(張敏修)
指導
教授
Shu-jen Wang(王淑珍)Jiau-hua Chen(陳椒華)
摘要
In this study, primers were designed on the basis of the available acetic acid bacteria (AAB) type III alcohol dehydrogenase gene (adh ) (acc. no. AB264314) sequence . The specificity of this set of primers ADH III L187 / ADH III R500 was tested with well defined strains of AAB and non AAB strains, such as Bacillus cereus, Yersinia enterocolitica, Salmonella enteritidis D1, Lactobacillus amylovorus, Pseudomonas aeruginosa and nont6oxigenic E.coli. From the results, the specificity of this set of primers ADH III L187 / ADH III R500 was confirmed. This set of primers was further used for detection of 79 AAB isolated strains directly from different sources. The results showed that 41 isolated strains tested successfully with the same size of PCR products as reference strains of acetic acid bacteria. During the test of acidity, 29 isolated strains were selected for their ability of growth and high acetate production in YGM medium.
    Identification of these 29 isolated strains were done by analysis 16S rDNA sequence and the isolated strains were clustered.  All tested isolated strains were belonged to Acetobacter spp.. Further study evaluated the alcohol tolerance of AAB isolates. The results showed that AAB305 strains was able to endure 7 % alcohol in YGM medium. In the future, this strain will be used in vinegar fermentation.
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