冷(Leng)凝(Ning)温(Wen)度(Du) | -50℃(?) | 捕(Bu)水(Shui)能(Neng)力(Li) | 5kg/h |
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真(Zhen)空(Kong)度(Du) | 10pa | 冻(Dong)干(Gan)面(Mian)积(Ji) | 0.28m2 |
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价(Jia)格(Ge)区(Qu)间(Jian) | 5万(Wan)-10万(Wan) | 仪(Yi)器(Qi)类(Lei)型(Xing) | 普(Pu)通(Tong)搁(Ge)板(Ban)型(Xing) |
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适(Shi)用(Yong)范(Fan)围(Wei) | 实(Shi)验(Yan)室(Shi) | 产(Chan)地(Di)类(Lei)别(Bie) | 国(Guo)产(Chan) |
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应(Ying)用(Yong)领(Ling)域(Yu) | 医(Yi)疗(Liao)卫(Wei)生(Sheng),环(Huan)保(Bao),食(Shi)品(Pin),化(Hua)工(Gong),生(Sheng)物(Wu)产(Chan)业(Ye) | 冻(Dong)干(Gan)仓(Cang) | 316L医(Yi)用(Yong)级(Ji)不(Bu)锈(Xiu)钢(Gang)方(Fang)形(Xing)冻(Dong)干(Gan)仓(Cang) |
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软(Ruan)件(Jian) | 安(An)卓(Zhuo)系(Xi)统(Tong) | 操(Cao)作(Zuo)屏(Ping) | 7寸(Cun)高(Gao)清(Qing)智(Zhi)能(Neng)彩(Cai)色(Se)触(Chu)摸(Mo)屏(Ping) |
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物(Wu)联(Lian)网(Wang)远(Yuan)程(Cheng)操(Cao)作(Zuo)系(Xi)统(Tong) | 可(Ke)选(Xuan)配(Pei) | 隔(Ge)板(Ban) | 最(Zui)多(Duo)4层(Ceng)可(Ke)拆(Chai)卸(Xie) |
(?) (?)微(Wei)生(Sheng)物(Wu)的(De)保(Bao)存(Cun)方(Fang)法(Fa)很(Hen)多(Duo),(?)根(Gen)据(Ju)不(Bu)同(Tong)的(De)微(Wei)生(Sheng)物(Wu)菌(Jun)(毒(Du))株(Zhu)或(Huo)不(Bu)同(Tong)的(De)实(Shi)验(Yan)要(Yao)求(Qiu),(?)可(Ke)选(Xuan)用(Yong)不(Bu)同(Tong)的(De)保(Bao)存(Cun)方(Fang)法(Fa),(?)其(Qi)中(Zhong)常(Chang)见(Jian)的(De)有(You)斜(Xie)面(Mian)保(Bao)存(Cun)法(Fa),(?)穿(Chuan)刺(Ci)保(Bao)存(Cun)法(Fa)、(?)液(Ye)体(Ti)石(Shi)蜡(La)保(Bao)藏(Cang)法(Fa)、(?)沙(Sha)土(Tu)管(Guan)保(Bao)存(Cun)法(Fa)、(?)冷(Leng)冻(Dong)保(Bao)存(Cun)法(Fa)、(?)真(Zhen)空(Kong)冷(Leng)冻(Dong)干(Gan)燥(Zao)保(Bao)存(Cun)法(Fa)。(?)其(Qi)中(Zhong)真(Zhen)空(Kong)冷(Leng)冻(Dong)干(Gan)燥(Zao)保(Bao)存(Cun)法(Fa)方(Fang)便(Bian)复(Fu)活(Huo)、(?)保(Bao)存(Cun)期(Qi)长(Chang),(?)运(Yun)输(Shu)和(He)保(Bao)存(Cun)方(Fang)便(Bian),(?)活(Huo)菌(Jun)率(Lu)高(Gao)。(?)所(Suo)以(Yi)近(Jin)几(Ji)年(Nian)真(Zhen)空(Kong)冷(Leng)冻(Dong)干(Gan)燥(Zao)被(Bei)广(Guang)泛(Fan)应(Ying)用(Yong)在(Zai)菌(Jun)种(Zhong)保(Bao)存(Cun)领(Ling)域(Yu)。(?)
(?) (?)骏(Jun)德(De)仪(Yi)器(Qi)实(Shi)验(Yan)室(Shi)菌(Jun)种(Zhong)冻(Dong)干(Gan)机(Ji)FD-304是(Shi)一(Yi)款(Kuan)专(Zhuan)门(Men)针(Zhen)对(Dui)菌(Jun)种(Zhong)保(Bao)存(Cun)而(?)设(She)计(Ji)的(De)冻(Dong)干(Gan)机(Ji)。(?)利(Li)用(Yong)安(An)剖(Pou)管(Guan)架(Jia)预(Yu)冻(Dong)好(Hao)的(De)样(Yang)品(Pin)直(Zhi)接(Jie)转(Zhuan)移(Yi)摆(Bai)放(Fang)到(Dao)冻(Dong)干(Gan)仓(Cang)隔(Ge)板(Ban)上(Shang)即(Ji)可(Ke),(?)容(Rong)量(Liang)大(Da),(?)操(Cao)作(Zuo)简(Jian)便(Bian)。(?)316L医(Yi)用(Yong)级(Ji)不(Bu)锈(Xiu)钢(Gang)材(Cai)质(Zhi)方(Fang)形(Xing)冻(Dong)干(Gan)仓(Cang),(?)隔(Ge)热(Re)保(Bao)温(Wen)效(Xiao)果(Guo)好(Hao),(?)真(Zhen)空(Kong)性(Xing)能(Neng)好(Hao),(?)有(You)效(Xiao)避(Bi)免(Mian)样(Yang)品(Pin)因(Yin)干(Gan)燥(Zao)过(Guo)程(Cheng)中(Zhong)升(Sheng)温(Wen)过(Guo)快(Kuai)而(?)发(Fa)生(Sheng)样(Yang)品(Pin)外(Wai)形(Xing)塌(Ta)陷(Xian),(?)活(Huo)性(Xing)降(Jiang)低(Di)等(Deng)问(Wen)题(Ti)。(?)是(Shi)研(Yan)究(Jiu)菌(Jun)种(Zhong)保(Bao)存(Cun)客(Ke)户(Hu)的(De)理(Li)想(Xiang)选(Xuan)择(Ze)。(?)
(?) (?)冷(Leng)冻(Dong)干(Gan)燥(Zao)是(Shi)将(Jiang)菌(Jun)体(Ti)悬(Xuan)浮(Fu)液(Ye)冷(Leng)冻(Dong)到(Dao)冰(Bing)点(Dian)以(Yi)下(Xia),(?)从(Cong)而(?)转(Zhuan)变(Bian)为(Wei)固(Gu)体(Ti)结(Jie)晶(Jing)态(Tai),(?)然(Ran)后(Hou)在(Zai)低(Di)温(Wen)低(Di)压(Ya)(真(Zhen)空(Kong))下(Xia)使(Shi)固(Gu)体(Ti)升(Sheng)华(Hua)而(?)脱(Tuo)水(Shui)的(De)干(Gan)燥(Zao)方(Fang)法(Fa)。(?)一(Yi)般(Ban)干(Gan)燥(Zao)处(Chu)理(Li)过(Guo)程(Cheng)会(Hui)破(Po)坏(Huai)微(Wei)生(Sheng)物(Wu)的(De)细(Xi)胞(Bao)膜(Mo),(?)引(Yin)起(Qi)细(Xi)胞(Bao)的(De)大(Da)量(Liang)死(Si)亡(Wang),(?)因(Yin)此(Ci)需(Xu)要(Yao)添(Tian)加(Jia)保(Bao)护(Hu)剂(Ji),(?)能(Neng)够(Gou)使(Shi)菌(Jun)液(Ye)密(Mi)度(Du)均(Jun)一(Yi),(?)减(Jian)少(Shao)活(Huo)菌(Jun)在(Zai)冻(Dong)干(Gan)过(Guo)程(Cheng)中(Zhong)的(De)机(Ji)械(Xie)效(Xiao)应(Ying)和(He)溶(Rong)质(Zhi)效(Xiao)应(Ying)带(Dai)来(Lai)的(De)死(Si)亡(Wang)。(?)因(Yin)此(Ci),(?)在(Zai)冻(Dong)干(Gan)前(Qian)加(Jia)入(Ru)的(De)保(Bao)护(Hu)剂(Ji)配(Pei)方(Fang)就(Jiu)成(Cheng)为(Wei)了(Liao)至(Zhi)关(Guan)重(Zhong)要(Yao)的(De)决(Jue)定(Ding)性(Xing)因(Yin)素(Su),(?)它(Ta)既(Ji)会(Hui)影(Ying)响(Xiang)到(Dao)储(Chu)存(Cun)期(Qi)细(Xi)胞(Bao)的(De)活(Huo)性(Xing)以(Yi)及(Ji)稳(Wen)定(Ding)性(Xing),(?)也(Ye)会(Hui)影(Ying)响(Xiang)到(Dao)复(Fu)水(Shui)时(Shi)细(Xi)胞(Bao)存(Cun)活(Huo)率(Lu)。(?)
(?) (?)冻(Dong)干(Gan)法(Fa)是(Shi)长(Chang)期(Qi)保(Bao)存(Cun)细(Xi)菌(Jun)、(?)酵(Jiao)母(Mu)、(?)真(Zhen)菌(Jun)、(?)病(Bing)毒(Du)和(He)立(Li)克(Ke)次(Ci)氏(Shi)体(Ti)的(De)标(Biao)准(Zhun)方(Fang)法(Fa)(在(Zai)冻(Dong)干(Gan)前(Qian)一(Yi)般(Ban)要(Yao)加(Jia)冷(Leng)冻(Dong)保(Bao)护(Hu)剂(Ji),(?)这(Zhe)样(Yang)可(Ke)使(Shi)细(Xi)胞(Bao)免(Mian)除(Chu)在(Zai)冷(Leng)冻(Dong)初(Chu)期(Qi)因(Yin)形(Xing)成(Cheng)冰(Bing)晶(Jing)而(?)造(Zao)成(Cheng)的(De)损(Sun)害(Hai)。(?)ATCC 常(Chang)规(Gui)用(Yong)10%脱(Tuo)脂(Zhi)奶(Nai)或(Huo)12%蔗(Zhe)糖(Tang)作(Zuo)为(Wei)冷(Leng)冻(Dong)保(Bao)护(Hu)剂(Ji),(?)而(?)美(Mei)国(Guo)农(Nong)业(Ye)部(Bu)(USDA)的(De)农(Nong)业(Ye)研(Yan)究(Jiu)服(Fu)务(Wu)机(Ji)构(Gou)的(De)实(Shi)验(Yan)人(Ren)员(Yuan)用(Yong)牛(Niu)或(Huo)马(Ma)血(Xue)清(Qing)作(Zuo)为(Wei)微(Wei)生(Sheng)物(Wu)的(De)冷(Leng)冻(Dong)保(Bao)护(Hu)剂(Ji)(。(?)在(Zai)菌(Jun)液(Ye)中(Zhong)加(Jia)入(Ru)甘(Gan)油(You)和(He)二(?)甲(Jia)亚(Ya)砜(Feng)(DMSO)也(Ye)可(Ke)防(Fang)止(Zhi)冷(Leng)冻(Dong)中(Zhong)微(Wei)生(Sheng)物(Wu)的(De)死(Si)亡(Wang),(?)但(Dan)实(Shi)际(Ji)操(Cao)作(Zuo)中(Zhong)应(Ying)根(Gen)据(Ju)不(Bu)同(Tong)微(Wei)生(Sheng)物(Wu)决(Jue)定(Ding)应(Ying)用(Yong)或(Huo)不(Bu)用(Yong)保(Bao)护(Hu)剂(Ji)。(?)
(?) (?)真(Zhen)空(Kong)冷(Leng)冻(Dong)干(Gan)燥(Zao)法(Fa)保(Bao)存(Cun)菌(Jun)种(Zhong)的(De)步(Bu)骤(Zhou)主(Zhu)要(Yao)包(Bao)括(Kuo):(?)
(?) (?)1、(?)微(Wei)生(Sheng)物(Wu)培(Pei)养(Yang),(?)培(Pei)养(Yang)获(Huo)得(De)健(Jian)壮(Zhuang)的(De)菌(Jun)种(Zhong)扩(Kuo)培(Pei)液(Ye)体(Ti)。(?)培(Pei)养(Yang)时(Shi)根(Gen)据(Ju)菌(Jun)种(Zhong)选(Xuan)择(Ze)不(Bu)同(Tong)的(De)培(Pei)养(Yang)基(Ji)。(?)培(Pei)养(Yang)到(Dao)对(Dui)数(Shu)期(Qi)获(Huo)得(De)大(Da)量(Liang)健(Jian)壮(Zhuang)的(De)菌(Jun)种(Zhong),(?)保(Bao)证(Zheng)菌(Jun)体(Ti)浓(Nong)度(Du),(?)一(Yi)般(Ban)达(Da)到(Dao)109的(De)浓(Nong)度(Du).
(?) (?)2、(?)离(Li)心(Xin)收(Shou)集(Ji)菌(Jun)体(Ti)。(?)通(Tong)过(Guo)离(Li)心(Xin)法(Fa)从(Cong)液(Ye)体(Ti)培(Pei)养(Yang)基(Ji)中(Zhong)获(Huo)得(De)菌(Jun)体(Ti)。(?)如(Ru)果(Guo)是(Shi)固(Gu)体(Ti)培(Pei)养(Yang)基(Ji)可(Ke)以(Yi)直(Zhi)接(Jie)收(Shou)集(Ji)菌(Jun)落(Luo),(?)用(Yong)保(Bao)护(Hu)剂(Ji)溶(Rong)解(Jie)混(Hun)匀(Yun)。(?)
(?) (?)3、(?)将(Jiang)菌(Jun)体(Ti)、(?)脱(Tuo)脂(Zhi)奶(Nai)粉(Fen)、(?)海(Hai)藻(Zao)糖(Tang)、(?)蔗(Zhe)糖(Tang)等(Deng)保(Bao)护(Hu)剂(Ji)在(Zai)无(Wu)菌(Jun)水(Shui)中(Zhong)混(Hun)匀(Yun)得(De)到(Dao)含(Han)有(You)保(Bao)护(Hu)剂(Ji)的(De)菌(Jun)体(Ti)混(Hun)悬(Xuan)液(Ye)。(?)
(?) (?)4、(?)分(Fen)装(Zhuang)。(?)将(Jiang)菌(Jun)体(Ti)混(Hun)悬(Xuan)液(Ye)在(Zai)无(Wu)菌(Jun)环(Huan)境(Jing)中(Zhong)分(Fen)装(Zhuang)到(Dao)无(Wu)菌(Jun)容(Rong)器(Qi)中(Zhong),(?)可(Ke)以(Yi)是(Shi)安(An)瓿(Bu)瓶(Ping)、(?)西(Xi)林(Lin)瓶(Ping)、(?)EP、(?)培(Pei)养(Yang)皿(Min)等(Deng)。(?)
(?) (?)5、(?)预(Yu)冻(Dong),(?)预(Yu)冻(Dong)是(Shi)非(Fei)常(Chang)关(Guan)键(Jian)的(De)。(?)预(Yu)冻(Dong)不(Bu)好(Hao),(?)菌(Jun)体(Ti)会(Hui)死(Si)亡(Wang)。(?)要(Yao)快(Kuai)速(Su)预(Yu)冻(Dong),(?)防(Fang)止(Zhi)产(Chan)生(Sheng)大(Da)冰(Bing)晶(Jing)造(Zao)成(Cheng)细(Xi)胞(Bao)死(Si)亡(Wang)。(?)预(Yu)冻(Dong)要(Yao)冻(Dong)结(Jie)实(Shi),(?)保(Bao)证(Zheng)预(Yu)冻(Dong)充(Chong)分(Fen)。(?)
(?) (?)6、(?)将(Jiang)预(Yu)冻(Dong)好(Hao)的(De)菌(Jun)体(Ti),(?)放(Fang)入(Ru)真(Zhen)空(Kong)冷(Leng)冻(Dong)干(Gan)燥(Zao)设(She)备(Bei)中(Zhong)进(Jin)行(Xing)冻(Dong)干(Gan)。(?)如(Ru)果(Guo)是(Shi)设(She)备(Bei)带(Dai)预(Yu)冻(Dong)功(Gong)能(Neng),(?)也(Ye)可(Ke)以(Yi)直(Zhi)接(Jie)在(Zai)冻(Dong)干(Gan)机(Ji)上(Shang)进(Jin)行(Xing)预(Yu)冻(Dong)。(?)真(Zhen)空(Kong)冷(Leng)冻(Dong)干(Gan)燥(Zao)时(Shi)间(Jian)和(He)冻(Dong)干(Gan)曲(Qu)线(Xian)的(De) 设(She)计(Ji)要(Yao)根(Gen)据(Ju)菌(Jun)种(Zhong)的(De)不(Bu)同(Tong)和(He)菌(Jun)体(Ti)混(Hun)悬(Xuan)液(Ye)的(De)浓(Nong)度(Du)等(Deng)进(Jin)行(Xing)设(She)计(Ji)。(?)冻(Dong)干(Gan)好(Hao)后(Hou)真(Zhen)空(Kong)密(Mi)封(Feng)保(Bao)存(Cun)。(?)
菌(Jun)种(Zhong)冻(Dong)干(Gan)机(Ji)
(?) (?)济(Ji)南(Nan)骏(Jun)德(De)仪(Yi)器(Qi)有(You)限(Xian)公(Gong)司(Si)----骏(Jun)德(De)仪(Yi)器(Qi)实(Shi)验(Yan)室(Shi)菌(Jun)种(Zhong)冻(Dong)干(Gan)机(Ji)FD-304主(Zhu)要(Yao)技(Ji)术(Shu)指(Zhi)标(Biao)
(?) (?)冻(Dong)干(Gan)面(Mian)积(Ji):(?)0.28m2
(?) (?)冷(Leng)阱(Jiang)温(Wen)度(Du):(?)-50℃(?)
(?) (?)真(Zhen)空(Kong)度(Du):(?)<10pa
(?) (?)惰(Duo)性(Xing)气(Qi)体(Ti)回(Hui)填(Tian):(?)0.2um
(?) (?)隔(Ge)板(Ban)尺(Chi)寸(Cun):(?)220*320mm
(?) (?)隔(Ge)板(Ban)层(Ceng)数(Shu):(?)最(Zui)大(Da)4层(Ceng)
(?) (?)冻(Dong)干(Gan)仓(Cang)尺(Chi)寸(Cun):(?)240*380*390mm
(?) (?)抽(Chou)气(Qi)速(Su)率(Lu):(?)2L/s
(?) (?)净(Jing)重(Zhong):(?)150kg
(?) (?)外(Wai)形(Xing)尺(Chi)寸(Cun):(?)740*750*785mm
(?) (?)进(Jin)口(Kou)真(Zhen)空(Kong)泵(Beng)可(Ke)选(Xuan)配(Pei)