移動(dòng)電話射頻電磁場(chǎng)對(duì)細(xì)胞膜受體的作用及噪聲磁場(chǎng)的干預(yù)
本文關(guān)鍵詞:移動(dòng)電話射頻電磁場(chǎng)對(duì)細(xì)胞膜受體的作用及噪聲磁場(chǎng)的干預(yù) 出處:《浙江師范大學(xué)》2007年碩士論文 論文類型:學(xué)位論文
更多相關(guān)文章: 射頻電磁場(chǎng) 表皮生長(zhǎng)因子受體 聚簇 磷酸化 噪聲磁場(chǎng)
【摘要】:隨著無線通訊事業(yè)的發(fā)展,,移動(dòng)電話日益普及,由此引起的移動(dòng)電話射頻輻射與人體健康的關(guān)系問題倍受矚目。移動(dòng)電話的工作頻率主要在800MHz~2000MHz,屬射頻波段中的微波段。國(guó)際非電離輻射防護(hù)委員會(huì)(International Commission on Non-Ionizing RadiationProtection,ICNIRP)將4.0W/kg作為射頻電磁場(chǎng)(簡(jiǎn)稱射頻場(chǎng))暴露的安全限值。然而,有報(bào)道稱低于該標(biāo)準(zhǔn)即低強(qiáng)度的射頻場(chǎng)已能對(duì)生物體產(chǎn)生影響。因此,確定一個(gè)科學(xué)合理、安全有效的射頻場(chǎng)暴露標(biāo)準(zhǔn)值已成為當(dāng)務(wù)之急。 射頻研究領(lǐng)域中使用的輻照模式、細(xì)胞類型和檢測(cè)指標(biāo)的不同,以及分析體系的多樣性,使研究結(jié)果缺乏可比性,但主要原因是對(duì)射頻場(chǎng)生物學(xué)效應(yīng)的作用機(jī)制不明確,導(dǎo)致無法確定專一的、與損害發(fā)生相關(guān)的暴露參數(shù)。所以,迄今尚未得出移動(dòng)電話射頻輻射對(duì)人體健康影響的明確結(jié)論。作為一種可能的刺激因素,移動(dòng)電話射頻輻射即使沒有引起宏觀上明顯的健康效應(yīng),細(xì)胞和分子水平的變化也可能已經(jīng)發(fā)生。因此,從細(xì)胞和分子水平探討射頻場(chǎng)的生物學(xué)效應(yīng)和作用機(jī)制,無疑是揭示射頻輻射影響人體健康的有效途徑。 研究移動(dòng)電話射頻場(chǎng)的作用機(jī)理首先應(yīng)明確細(xì)胞是如何感應(yīng)射頻場(chǎng)的。已有研究結(jié)果提示電磁場(chǎng)的生物學(xué)效應(yīng)有細(xì)胞內(nèi)信號(hào)轉(zhuǎn)導(dǎo)途徑的參與,但電磁場(chǎng)如何活化細(xì)胞內(nèi)信號(hào)轉(zhuǎn)導(dǎo)途徑尚不清楚。一般認(rèn)
[Abstract]:With the development of wireless communication, mobile phones are becoming more and more popular. The relationship between radio frequency radiation and human health has attracted much attention. The main frequency of mobile phone is 800MHz ~ 2000MHz. Microwave section in radio frequency band. International Committee on Protection against Non-Ionization radiation (. International Commission on Non-Ionizing RadiationProtection. ICNIRP uses 4.0 W / kg as the safety limit for radiofrequency electromagnetic field exposure. It is reported that the low intensity RF field below this standard can affect the organism. Therefore, it is urgent to determine a scientific, reasonable, safe and effective standard value of radiofrequency field exposure. The differences in radiation patterns, cell types and indicators used in radiofrequency research, as well as the diversity of analytical systems, make the results less comparable. However, the main reason is that the mechanism of radiofrequency field biological effect is not clear, so it is impossible to determine the specific exposure parameters related to the occurrence of the damage. As a possible stimulus factor, radio frequency radiation of mobile phone does not cause macroscopic obvious health effects. Therefore, it is an effective way to explore the biological effect and mechanism of radiofrequency field from the cellular and molecular level to reveal the effect of radiofrequency radiation on human health. In order to study the mechanism of radio frequency field in mobile phone, it is necessary to know how the cell induces the radio frequency field. The results show that the biological effect of electromagnetic field is involved in the intracellular signal transduction pathway. However, it is not clear how the electromagnetic field activates the intracellular signal transduction pathway.
【學(xué)位授予單位】:浙江師范大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2007
【分類號(hào)】:R35
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