2級(jí)生物安全柜分類(lèi) 推薦咨詢(xún) 上海博迅醫(yī)療生物儀器供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="生物安全二級(jí)（BSL-2）：適合于對(duì)人和環(huán)境有中度潛在危險(xiǎn)的病源。與BSL-1的區(qū)別在于：①實(shí)驗(yàn)人員均應(yīng)接受過(guò)病源處理方面的特殊培訓(xùn)，并由有資格的工作者指導(dǎo)。②進(jìn)行實(shí)驗(yàn)時(shí)限制進(jìn)入實(shí)驗(yàn)室。③對(duì)于污染的銳器應(yīng)特別注意。④某些可能產(chǎn)生傳染性氣溶膠"><meta name="keywords" content="2級(jí)生物安全柜分類(lèi),生物安全柜"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta 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rel="nofollow">上海博迅醫(yī)療生物儀器股份有限公司</a></p><p><span>聯(lián)系人：</span>夏凱</p><p><span>郵箱: </span>2060572480@qq.com</p><p><span>電話(huà): </span>15921551071</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.boxunyl.com</p><p><span>手機(jī): </span>021-56985756</p><p><span>地址: </span>泖港鎮(zhèn)中強(qiáng)路599號(hào)</p><p>[當(dāng)前離線(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="vwv7qik" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="3uby8ul" class="box"><p><p style="text-indent:25px">生物安全二級(jí)（BSL-2）：適合于對(duì)人和環(huán)境有中度潛在危險(xiǎn)的病源。與BSL-1的區(qū)別在于：①實(shí)驗(yàn)人員均應(yīng)接受過(guò)病源處理方面的特殊培訓(xùn)，并由有資格的工作者指導(dǎo)。②進(jìn)行實(shí)驗(yàn)時(shí)限制進(jìn)入實(shí)驗(yàn)室。③對(duì)于污染的銳器應(yīng)特別注意。④某些可能產(chǎn)生傳染性氣溶膠或飛濺物的過(guò)程應(yīng)在生物安全柜中或其他物力阻止設(shè)備中進(jìn)行，可選用Ⅰ、Ⅱ級(jí)生物安全柜，2級(jí)生物安全柜分類(lèi)。生物安全三級(jí)（BSL-3）：應(yīng)用于臨床、診斷、教學(xué)、研究或者生產(chǎn)設(shè)施，在該級(jí)別中開(kāi)展有關(guān)內(nèi)源性和外源性的病原的工作。若因暴露而吸入該病原會(huì)引發(fā)嚴(yán)重的可能致死的疾病。實(shí)驗(yàn)人員應(yīng)在處理致病性的可能使人致死的病原方面受過(guò)專(zhuān)業(yè)訓(xùn)練，并由對(duì)該病原工作有經(jīng)驗(yàn)的有資格的科學(xué)工作者監(jiān)督。所有與傳染源操作有關(guān)的步驟都在生物安全柜或其他物理阻止裝置中進(jìn)行，選用二級(jí)或二級(jí)以上生物安全柜，實(shí)驗(yàn)室需要特殊設(shè)計(jì)和施工，2級(jí)生物安全柜分類(lèi)，2級(jí)生物安全柜分類(lèi)，室內(nèi)為負(fù)壓。在工作前要讓生物安全柜的風(fēng)機(jī)至少運(yùn)行3-5分鐘，使柜內(nèi)的空氣實(shí)現(xiàn)自?xún)簟?級(jí)生物安全柜分類(lèi)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="2級(jí)生物安全柜分類(lèi),生物安全柜" src="https://tyunfile.71360.com/UploadFile/Boxun666/637335165515527344/7150663.png"></div><p style="text-indent:25px">需要明確了解生物安全柜與通風(fēng)柜/超凈工作臺(tái)的區(qū)分。通風(fēng)柜和超凈工作臺(tái)不屬于生物安全柜，不可使用在涉及微生物材料的實(shí)驗(yàn)或生產(chǎn)過(guò)程中。通風(fēng)柜（通風(fēng)櫥）是為在化學(xué)實(shí)驗(yàn)過(guò)程中清掃腐蝕性化學(xué)氣體和有毒煙霧而設(shè)計(jì)的。由于沒(méi)有裝備HEPA過(guò)濾器，通風(fēng)柜不能有效清掃微生物介質(zhì)。放置在通風(fēng)柜內(nèi)微生物樣品會(huì)散播到柜外，污染實(shí)驗(yàn)室環(huán)境。 1、安放：生物安全柜應(yīng)放在遠(yuǎn)離人員的活動(dòng)、物品流動(dòng)、門(mén)以及窗等可能會(huì)擾亂氣流的地方。在生物安全柜后面、左右各留 30 c m空間，上端留 30~ 50 c m 空間，以便于維修和更換濾膜。（想了解生物安全柜價(jià)格請(qǐng)咨詢(xún)北京東聯(lián)哈爾儀器制造有限公司） 2、操作：使用生物安全柜操作時(shí)，檢驗(yàn)人員手和背的伸入或取出時(shí)應(yīng)緩慢以保證氣流的完整性，并垂直于前端開(kāi)口處。手或胳膊伸入柜中 1 m i n后開(kāi)始操作以便于清潔皮膚表面。實(shí)驗(yàn)所需器材應(yīng)次性放入生物安全柜。盡量減少或限制操作人員手在安全柜中的進(jìn)出次數(shù)。生物安全柜潔凈度生物安全柜的工作環(huán)境為10~30℃ ,相對(duì)濕度為<75%。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="2級(jí)生物安全柜分類(lèi),生物安全柜" src="https://tyunfile.71360.com/UploadFile/Boxun666/637335165568916016/2153530.png"></div><p style="text-indent:25px">生物安全四級(jí)（BSL-4）應(yīng)用于對(duì)生命有高度危險(xiǎn)的危險(xiǎn)性的病原或外源性的病原?？赏ㄟ^(guò)氣溶膠而致實(shí)驗(yàn)室或未知傳染風(fēng)險(xiǎn)，且引起致命的有關(guān)病原，應(yīng)選用三級(jí)生物安全柜及正壓防護(hù)服，如SARS對(duì)人或環(huán)境具有中度潛在危險(xiǎn)，對(duì)攜帶該的患者樣本處理均應(yīng)在生物安全二級(jí)（BSL-2 ）或二級(jí)以上實(shí)驗(yàn)室中進(jìn)行，為了對(duì)操作人員和環(huán)境及樣品均提供有效的保護(hù)，實(shí)驗(yàn)室應(yīng)選用二級(jí)以上或全排風(fēng)式生物安全柜（B2型）。生物安全柜的選擇需要根據(jù)所涉及微生物試驗(yàn)品或產(chǎn)品的致命性，傳播媒介等因素。</p><p style="text-indent:25px">生物安全柜是能防止實(shí)驗(yàn)操作處理過(guò)程中某些含有危險(xiǎn)性或未知性生物微粒發(fā)生氣溶膠散逸的箱型空氣凈化負(fù)壓安全裝置。其普遍應(yīng)用于微生物學(xué)、生物醫(yī)學(xué)、基因工程、生物制品等領(lǐng)域的科研、教學(xué)、臨床檢驗(yàn)和生產(chǎn)中，是實(shí)驗(yàn)室生物安全中一級(jí)防護(hù)屏障中較基本的安全防護(hù)設(shè)備。生物安全柜的工作原理主要是將柜內(nèi)空氣向外抽吸，使柜內(nèi)保持負(fù)壓狀態(tài)，通過(guò)垂直氣流來(lái)保護(hù)工作人員；外界空氣經(jīng)高效空氣過(guò)濾器過(guò)濾后進(jìn)入安全柜內(nèi)，以避免處理樣品被污染；柜內(nèi)的空氣也需經(jīng)過(guò)HEPA過(guò)濾器過(guò)濾后再排放到大氣中，以保護(hù)環(huán)境。在高海拔地區(qū)使用，生物安全柜安裝后必須重新校正風(fēng)速。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="2級(jí)生物安全柜分類(lèi),生物安全柜" src="https://tyunfile.71360.com/UploadFile/Boxun666/637335165659169922/7739117.png"></div><p style="text-indent:25px">生物安全柜的分級(jí) 按照NSF49標(biāo)準(zhǔn)，生物安全等級(jí)1級(jí)(P1)的媒質(zhì)是指普通無(wú)害細(xì)菌、病毒等微生物；生物安全等級(jí)2級(jí)(P2)的媒質(zhì)是指一般性可致病細(xì)菌、病毒等微生物；生物安全等級(jí)3級(jí)(P3)的媒質(zhì)是指烈性/致命細(xì)菌、病毒等微生物，但感染后可治愈；生物安全等級(jí)4級(jí)(P4)的媒質(zhì)是指烈性/致命細(xì)菌、病毒等微生物，感染后不易治愈。此標(biāo)準(zhǔn)將生物安全柜分為Ⅰ、Ⅱ、Ⅲ級(jí)，可適用于不同生物安全等級(jí)媒質(zhì)的操作。生物安全實(shí)驗(yàn)室選用生物安全柜的原則當(dāng)實(shí)驗(yàn)室級(jí)別為一級(jí)時(shí)一般無(wú)須使用生物安全柜，或使用Ⅰ級(jí)生物安全柜。實(shí)驗(yàn)室級(jí)別為二級(jí)時(shí)，當(dāng)可能產(chǎn)生微生物氣溶膠或出現(xiàn)濺出的操作時(shí)，可使用Ⅰ級(jí)生物安全柜；當(dāng)處理感染性材料時(shí)，應(yīng)使用部分或全部排風(fēng)的Ⅱ級(jí)生物安全柜；若涉及處理化學(xué)致ai劑、放射性物質(zhì)和揮發(fā)性溶媒，則只能使用Ⅱ-B級(jí)全排風(fēng)(B2型)生物安全柜。實(shí)驗(yàn)室級(jí)別為三級(jí)時(shí)，應(yīng)使用Ⅱ級(jí)或Ⅲ級(jí)生物安全柜；所有涉及感染材料的操作，應(yīng)使用全排風(fēng)型Ⅱ-B級(jí)(B2型)或Ⅲ級(jí)生物安全柜。實(shí)驗(yàn)室級(jí)別為四級(jí)時(shí)，應(yīng)使用Ⅲ級(jí)全排風(fēng)生物安全柜。當(dāng)人員穿著正壓防護(hù)服時(shí)，可使用Ⅱ-B級(jí)生物安全柜。這樣才能確保在時(shí)間的過(guò)程當(dāng)中，生物安全柜按照規(guī)定在進(jìn)行相關(guān)的實(shí)驗(yàn)，保證實(shí)驗(yàn)的安全。2級(jí)生物安全柜分類(lèi)</p><p style="text-indent:25px">生物安全柜前面板水平中心向外300mm，且高于工作臺(tái)面380mm處用聲級(jí)測(cè)量噪聲。2級(jí)生物安全柜分類(lèi)</p><p style="text-indent:25px">根據(jù)生物安全防護(hù)水平的差異，生物安全柜可分為級(jí)、二級(jí)和三級(jí)三種類(lèi)型。級(jí)生物安全柜可保護(hù)工作人員和環(huán)境而不保護(hù)樣品。生物安全柜氣流原理和實(shí)驗(yàn)室通風(fēng)櫥基本相同，不同之處在于排氣口安裝有HEPA 過(guò)濾器，將外排氣流過(guò)濾進(jìn)而防止微生物氣溶膠擴(kuò)散造成污染。級(jí)生物安全柜本身無(wú)風(fēng)機(jī)，依賴(lài)外接通風(fēng)管中的風(fēng)機(jī)帶動(dòng)氣流，由于不能保護(hù)柜內(nèi)產(chǎn)品，目前已較少使用。生物安全柜是用于生物安全實(shí)驗(yàn)室和其它實(shí)驗(yàn)室的生物安全防護(hù)隔離設(shè)備?？梢苑乐褂泻腋∥⒘?、氣溶膠的擴(kuò)散；對(duì)操作人員、樣品及樣品間交叉感染和環(huán)境提供安全保護(hù)。2級(jí)生物安全柜分類(lèi)</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2758743.html</p></div></div></div></div></div><div id="zwvmjac" class="page-right twoColRt"><div id="e2yvho3" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="zlnu3ac" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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