在生物技術(shù)以及醫(yī)學(xué)領(lǐng)域中,常常需要對細(xì)胞或組織進(jìn)行破碎處理從而提取所需要的各種物質(zhì)。細(xì)胞或組織破碎的方法包括機(jī)械方法、物理方法、化學(xué)方法和生物化學(xué)方法等,其中機(jī)械法主要通過機(jī)械切力的作用使組織細(xì)胞破碎,常用的裝置有組織搗碎機(jī)、勻漿器、超聲破碎儀等。
組織搗碎機(jī)一般用于動物組織、植物肉質(zhì)種子、柔嫩的葉芽等,其轉(zhuǎn)速可高達(dá) 10000rpm/M以上,由于旋轉(zhuǎn)刀片的機(jī)械切力很大,制備一些較大分子如核酸則很少使用。 高壓勻漿器是由可產(chǎn)生高壓的正向排代泵和排出閥組成,排出閥具有狹窄的小孔,細(xì)胞漿液通過止逆閥進(jìn)入泵體內(nèi),在高壓下迫使其在排出閥的小孔中高速沖出,并射向撞擊環(huán)上,由于突然減壓和高速沖擊,使細(xì)胞受到高的液相剪切力而破碎,此法適用于許多微生物細(xì)胞的破碎。超聲破碎儀將電能通過換能器轉(zhuǎn)換為聲能,這種能量通過液體介質(zhì)而變成一個個密集的小氣泡,小氣泡迅速炸裂產(chǎn)生的能量起到破碎細(xì)胞等物質(zhì)的作用。
皮膚組織是由表皮、真皮和皮下組織三部分組成。其中,表皮的角質(zhì)層處在最外面,具有韌性,能夠耐受一定的摩擦;而真皮內(nèi)部的細(xì)胞很少,主要由植物纖維結(jié)締組織構(gòu)成,其中有膠原纖維、彈性纖維和網(wǎng)狀纖維等,賦予皮膚一定的彈性 和張力。皮膚組織的這些特性決定了上述常用的研磨方式均不適用于皮膚組織的破碎。研缽是實(shí)驗(yàn)室中常用的研磨工具,其配有缽杵,通過缽杵與研缽的擠壓與磨擦來達(dá)到搗磨、研磨、破碎等目的,其雖能夠較為有效地破碎皮膚組織,然而需要進(jìn)行手工操作,費(fèi)時費(fèi)力。
大鼠的皮膚比較厚,因此用上面方法完全研磨這些組織是十分具有挑戰(zhàn)性的,使用上海凈信冷凍研磨儀,成功實(shí)現(xiàn)了對大鼠后爪蛋白質(zhì)和紙質(zhì)的研磨提取。
實(shí)驗(yàn)方法:
1、去大鼠皮膚組織若干。
2、加緩沖液和凈信專用皮膚研磨珠。
3、放入凈信冷凍研磨儀中。
4、調(diào)好時間頻率。
5、得到完美破碎溶液。
6、提心提取上清溶液。
從本實(shí)驗(yàn)后續(xù)實(shí)驗(yàn)人員反饋情況來看,用上海凈信冷凍研磨儀和研缽對比來看,優(yōu)勢有這樣幾個。1、研磨后樣品無交叉污染。2、樣品后續(xù)RNA得率很高。3、研磨樣品節(jié)省了液氮,降低實(shí)驗(yàn)室成本。4、研磨時間得到大大提高,以前幾個人工作量減少到一個人幾分鐘完成批量樣品,大大提高了效率。
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Orbital shaker
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Standard vacuum freeze dryer
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Vertical mixer
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Non-contact ultrasonic DNA interrupter
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Rotary mixer HS-5
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Non-contact shaped DNA interrupter
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Orbital shaker
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Roller mixer (blood mixer)
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Dual-channel non-contact energy-concentrated DNA interrupter
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Rotational viscometer
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Cup type ultrasonic cell crusher
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Inching vortex oscillator
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Handheld ultrasonic cell pulverizer
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Handheld ultrasonic cell pulverizer
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Ultra-micro ultrasonic cell crusher
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Multifunctional vortex oscillator
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Rotational viscometer
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Handheld ultrasonic cell crusher
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Micro centrifuge
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Integrated ultrasonic cell crusher
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Handheld ultrasonic cell crusher
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Multi-tube vortex oscillator
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Rotational viscometer
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Micro centrifuge
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Ultrasonic crusher
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Integrated ultrasonic cell crusher
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Nitrogen Blowing Apparatus
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Ultrasonic cell crusher integrated
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Ultrasonic crusher
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Nitrogen Blowing Apparatus
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Microplate centrifuge
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Snowflake ice maker
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Integrated ultrasonic cell crusher
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Ultrasonic crusher
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Nitrogen Blowing Apparatus
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Ultrasonic crusher
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Split ultrasonic cell disruptor
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Microplate horizontal centrifuge
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Snowflake ice maker
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Ultrasonic cell crusher
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Integrated ultrasonic cell crusher
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Nitrogen Blowing Apparatus
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Round water bath nitrogen blowing instrument
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Ultrasonic cell crusher
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Dual-channel non-contact energy-concentrated DNA interrupter
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Nitrogen Blowing Apparatus
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Ultrasonic cell crusher
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Visual nitrogen blowing instrument
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Intelligent ultrasonic crusher
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Ultrasonic cell crusher
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Ultrasonic crusher
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Constant temperature airtight ultrasonic reactor
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Non-contact ultrasonic pulverizer
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Automatic sample fast grinder-24L
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Soil Ball Mill
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Microwave ultrasonic extractor
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Soil Ball Mill
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Automatic sample fast grinder-32L
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Planetary Ball Mill
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Planetary Ball Mill
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Planetary Ball Mill
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Automatic sample fast grinder-48L
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High energy grinder
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High-throughput soil grinder
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Glass bead sterilizer
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Automatic sample fast grinder-64L
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Automatic sample fast grinder-96L
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Infrared inoculation loop sterilizer
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Hair drug detector
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Infrared inoculation loop sterilizer
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Hair screening drug detector
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Hair treatment instrument
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Portable hair grinder
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Biological indicator incubator
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Hair Grinding and Shredder
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Multi-sample tissue grinding machine-FEIII
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Multi-sample tissue grinder-FEII
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Tissue grinder
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Tissue grinding machine
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Plant tissue processing system
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Multi-sample tissue grinding machine-192
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Multi-sample tissue grinder-96
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Multi-sample tissue grinder-64
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Multi-sample tissue grinder -48
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Multi-sample tissue grinding machine-32
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Multi-sample tissue grinder-24
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QuEChERS pre-processing all-in-one machine
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QuEChERS sample preparation system
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流體實(shí)驗(yàn)魯爾轉(zhuǎn)接頭
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細(xì)胞定位格子培養(yǎng)皿
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Thermostatic metal bath
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μ-Dish 35 mm, high Grid-50 Glass Bottom
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Thermostatic metal bath
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Thermostatic metal bath
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Mini refrigerated metal bath
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Mini thermostat metal bath
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六通道載玻片
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Thermostatic metal bath refrigeration type
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μ-Dish 35 mm, high tissue culture dish
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In situ hybridization
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8孔腔室載玻片
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Multifunctional cell electric fusion instrument
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UV crosslinker
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細(xì)胞定位格子培養(yǎng)皿
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12孔可移除腔室載玻片
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六通道載玻片0.1
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魯爾固定連接器-F
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魯爾固定接頭-M
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魯爾公接頭
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魯爾公插頭
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Molecular hybridization furnace
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CultureWell?可重復(fù)使用硅膠墊片
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內(nèi)毒素檢測
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TH-5熱敏性溫度監(jiān)測儀
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BAT-12微探針溫度計
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BAT-10 多功能溫度計
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灌注管道裝置
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灌注槽
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灌注設(shè)備
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2孔腔室載玻片-無凹液面
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18孔培養(yǎng)載玻片-扁平版
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API Coryne
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常規(guī)培養(yǎng)基
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CoverWell?成像小室
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成像墊片(imaging spacer)
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一體化成像系統(tǒng) (具備AI人工智能技術(shù))
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High temperature four-module thermostatic metal bath
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熒光蛋白激發(fā)觀察系統(tǒng)
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熒光蛋白激發(fā)觀察系統(tǒng)
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便攜式顯微鏡-帶XY工作臺
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PM-1 便攜式顯微鏡
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細(xì)胞拉伸系統(tǒng)
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Culture Well?可移除腔室蓋玻片
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其他設(shè)備(電生理/IVF)
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SecureSlip?帶硅膠層蓋玻片
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活細(xì)胞培養(yǎng)系統(tǒng)
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Three-dimensional mixer
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磁石培養(yǎng)皿
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CoverWell?灌流小室
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CultureWell?多孔腔室蓋玻片
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共培養(yǎng)載玻片
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磁座組合式活細(xì)胞培養(yǎng)槽
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3D Centrifugal Cryogenic Grinder
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Small bead mill/cell bead mill
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Automatic sample rapid grinder-192
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Cryogenic Grinder JXFSTPRP-CLN
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Cryogenic tissue grinder
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Cryogenic tissue grinder
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High-speed cryogenic grinding homogenizer
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Multi-sample tissue grinder-24L
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High-speed tissue grinding machine KZ-II
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Multi-channel microbial magnetic bead homogenizer
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Automatic sample rapid grinding machine
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Automatic sample rapid grinder-24
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Immersion liquid nitrogen Cryogenic Grinder
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Automatic liquid nitrogen freezing grinding machine
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Automatic sample rapid grinding machine-64
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Automatic sample rapid grinding machine-48
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Constant temperature and humidity weighing system
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Vertical oscillator
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Multi-sample tissue grinder-192L
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Multi-sample tissue grinder-96L
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Multi-sample tissue grinder-64L
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Cryogenic Grinder (Semi-automatic Liquid Nitrogen Cryogenic Grinder)
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Multi-sample tissue grinder-32L
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3D sample tissue grinder
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Automatic sample rapid grinder-32
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Automatic sample rapid grinding machine
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Fully automatic sample rapid cryogenic grinder
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Fast tissue low-temperature crushing homogenizer
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Cryogenic Grinding Machine
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QuEChERS pre-processing all-in-one machine
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Multi-sample tissue grinder-48L
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96孔板
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High energy ball mill
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3D Cryogenic Grinder
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3D Centrifugal Cryogenic Grinder
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Cryogenic tissue grinder
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Frozen grinder
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Cryogenic grinder
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Basic cryogenic grinder
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Frozen Bone Teeth Crusher
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Mini grinder
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Mini Diamond Grinding Machine
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MINI rapid detection grinder
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Portable sample grinder
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Portable sample grinder
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Automatic sample rapid grinder-96
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Chlorophyll A grinder
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Semi-automatic hammer cyclone mill
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Automatic hammer cyclone mill
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Low temperature hammer type cyclone mill
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Multifunctional homogenizer
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Three-head shock type high-energy ball mill
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瓊脂糖
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Water quality chlorophyll grinder
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Three-dimensional mixer
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Mortar grinder
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High-efficiency vibrating disc grinder
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Fully automatic cryogenic sample processing system
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Automatic sample rapid grinder
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Three-dimensional mixer
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Hot-lid metal bath
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Three-dimensional high-speed vibration ball mill
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NTE-2A溫度探針&控制器
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Automatic homogenizer
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Beating sample homogenizer
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Solid phase extraction device
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Solid Phase Extraction Apparatus
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組織切片全系統(tǒng)
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High temperature type CNC super constant temperature bath
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Vibratron II振動型整流器
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Automatic rotating sampler
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Aquatic product animal husbandry solid phase extraction device
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Knife grinder
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培養(yǎng)皿載玻片保濕盒
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玻璃底培養(yǎng)皿
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串聯(lián)連接管
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Biological indicator incubator
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彈性底部培養(yǎng)皿
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Beating aseptic homogenizer
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4孔腔室載玻片-無凹液面
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Oil-free vacuum pump
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WF-1內(nèi)置沉淀過濾器
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細(xì)胞分離機(jī)附屬冷凍系統(tǒng)
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TCAT-2 動物溫度控制器
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MTC-1微型溫度控制器
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定制熱電偶
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加熱毯WB-1, WB-2
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TCAT-2配件: 加熱燈HL-1
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加熱板HP-1M & HP-4M
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Cross-beating grinder
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交換器SWT-2
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Single cell suspension preparation instrument
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水泵和水箱裝置
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TS-4MP恒溫顯微鏡載物臺
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Sample pre-processing machine
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Fully automatic homogenizer
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Beating aseptic homogenizer
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Grinding bead homogenizer
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Parallel grinder
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交換器SBT-5
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細(xì)胞趨化載玻片3D
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Jaw Crusher
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ibidi Pump System
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In-line Luer Injection Port
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μ-Plate Angiogenesis 96 Well
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μ-Slide y-shaped
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Constant temperature mixer (refrigeration)
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Constant temperature mixer
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μ-Slide I Luer Glass Bottom
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Culture-Insert 2 Well in μ-Dish 35 mm
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μ-Slide 8 Well high
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2D細(xì)胞趨化載玻片
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μ-Slide 15 Well 3D (formerly μ-Slide Angiogenesis)
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μ-Slide I
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μ-Dish Microscopy Rack
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sticky-Slide Chemotaxis
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Hose Clip
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Custom-Specific Flow Slides and Channels
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Dry thermostat
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減管徑配件
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微4孔插件
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Single cell preparation instrument (temperature control)
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Microplate Shaker
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Microplate incubator
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Microplate incubator
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Oscillator special for microplate
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硅膠管
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μ-Slide 18 Well
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Microplate Heat Sealer
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器官運(yùn)輸器
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單通道載玻片
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三合一通道載玻片
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六通道平版載玻片
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單通道可粘載玻片
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六通道可粘載玻片
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Temperature-controlled single cell suspension preparation instrument
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μ-Slide I Luer 3D
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Microplate Oscillator
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梯度混勻器
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Ricordi? 注射袋
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High Power Handheld Grinder
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Bone and Teeth Grinder
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溫度顯示器
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溫度探針
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溫度探針延長線
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胰島分離機(jī)
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Handheld Grinder
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分離管道裝置
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Fully automatic low temperature flip oscillator
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API 20 E
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API 20 NE
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API 20 STAPH
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API 20 A
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API NH
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API Listeria
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API RapiD 20E
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Ricordi? 腔室系統(tǒng)
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Y型連接管
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無血清培養(yǎng)基
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細(xì)胞培養(yǎng)試劑
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原代細(xì)胞及推薦培養(yǎng)基
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支原體檢測
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轉(zhuǎn)染試劑
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8孔可粘腔室載玻片
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μ-Dish 35 mm, low
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New type soil drying box
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24孔板
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API ZYM/ API 50CHB/ API 50CHL
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2孔腔室載玻片
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4孔腔室載玻片
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Gradient amplification PCR detection analyzer THG-96G (gradient)
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Gene amplification instrument PCR instrument THT-96G (gradient type)
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High-speed grinding homogenizer-192
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Flip oscillator
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Fully Automatic Flip Oscillator
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DIC培養(yǎng)皿蓋/載玻片蓋
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胰島計數(shù)皿
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High-throughput sample rapid grinder
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Medium Flux Grinder
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High Throughput Grinder
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High Throughput Tissue Grinder-2018
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High Throughput Tissue Grinder - GTL64
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氮化硅彈珠
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細(xì)胞抽樣管
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菌種保存管
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胰島細(xì)胞計數(shù)儀
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T型熱電偶金屬線
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生物流體灌流系統(tǒng)
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灌流小室
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灌流管道裝置
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灌流噴頭
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灌流腔室過濾器
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COBE? 2991 血細(xì)胞淘洗機(jī)
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閃膠
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BNC熱電偶
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通用型探針
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胰島運(yùn)輸器
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API Campy
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TH-8 熱敏性檢測溫度計
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BAT7001H溫度計
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THERMES USB 溫度數(shù)據(jù)采集
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THERMES USB WFI 溫度數(shù)據(jù)采集
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針型微探針
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Ultra High Throughput Tissue Grinder
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超細(xì)IT-系列靈活探針
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Ultra High Throughput Tissue Grinder
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臨床探針
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動物直腸探針
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RET-2-ISO
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RET-3-ISO
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RET-4直腸探針
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IT系列特氟龍?zhí)结?/p>
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MT系列針型微探針
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API 10S
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靈活可植入探針
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Grinder for scientific research
Grinder for scientific research
- Enhanced multi-sample tissue grinder
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Grinder for analysis?and?detection
Grinder for analysis?and?detection
- Hair drug detector
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- Mortar grinder
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- Jaw grinder
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General?Instruments
General?Instruments
- Ultrasonic cell disruptor
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- In situ hybridization instrument/n instrument/crosslinking
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- Microplate constant temperature shaking incubator
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- Solid phase extraction device/low temperature thermostat
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Xiaomei Ultrasound Series
Xiaomei Ultrasound Series
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Vibrating?sieve?shakers
Vibrating?sieve?shakers
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