在生物技术以及医学领域中,常常需要对细胞或组织进行破碎处理从而提取所需要的各种物质。细胞或组织破碎的方法包括机械方法、物理方法、化学方法和生物化学方法等,其中机械法主要通过机械切力的作用使组织细胞破碎,常用的装置有组织捣碎机、匀浆器、超声破碎仪等。
组织捣碎机一般用于动物组织、植物肉质种子、柔嫩的叶芽等,其转速可高达 10000rpm/M以上,由于旋转刀片的机械切力很大,制备一些较大分子如核酸则很少使用。 高压匀浆器是由可产生高压的正向排代泵和排出阀组成,排出阀具有狭窄的小孔,细胞浆液通过止逆阀进入泵体内,在高压下迫使其在排出阀的小孔中高速冲出,并射向撞击环上,由于突然减压和高速冲击,使细胞受到高的液相剪切力而破碎,此法适用于许多微生物细胞的破碎。超声破碎仪将电能通过换能器转换为声能,这种能量通过液体介质而变成一个个密集的小气泡,小气泡迅速炸裂产生的能量起到破碎细胞等物质的作用。
皮肤组织是由表皮、真皮和皮下组织三部分组成。其中,表皮的角质层处在最外面,具有韧性,能够耐受一定的摩擦;而真皮内部的细胞很少,主要由植物纤维结缔组织构成,其中有胶原纤维、弹性纤维和网状纤维等,赋予皮肤一定的弹性 和张力。皮肤组织的这些特性决定了上述常用的研磨方式均不适用于皮肤组织的破碎。研钵是实验室中常用的研磨工具,其配有钵杵,通过钵杵与研钵的挤压与磨擦来达到捣磨、研磨、破碎等目的,其虽能够较为有效地破碎皮肤组织,然而需要进行手工操作,费时费力。
大鼠的皮肤比较厚,因此用上面方法完全研磨这些组织是十分具有挑战性的,使用上海净信冷冻研磨仪,成功实现了对大鼠后爪蛋白质和纸质的研磨提取。
实验方法:
1、去大鼠皮肤组织若干。
2、加缓冲液和净信专用皮肤研磨珠。
3、放入净信冷冻研磨仪中。
4、调好时间频率。
5、得到完美破碎溶液。
6、提心提取上清溶液。
从本实验后续实验人员反馈情况来看,用上海净信冷冻研磨仪和研钵对比来看,优势有这样几个。1、研磨后样品无交叉污染。2、样品后续RNA得率很高。3、研磨样品节省了液氮,降低实验室成本。4、研磨时间得到大大提高,以前几个人工作量减少到一个人几分钟完成批量样品,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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流体实验鲁尔转接头
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细胞定位格子培养皿
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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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六通道载玻片
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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孔腔室载玻片
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Multifunctional cell electric fusion instrument
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UV crosslinker
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细胞定位格子培养皿
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12孔可移除腔室载玻片
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六通道载玻片0.1
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鲁尔固定连接器-F
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鲁尔固定接头-M
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鲁尔公接头
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鲁尔公插头
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Molecular hybridization furnace
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CultureWell?可重复使用硅胶垫片
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内毒素检测
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TH-5热敏性温度监测仪
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BAT-12微探针温度计
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BAT-10 多功能温度计
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灌注管道装置
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灌注槽
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灌注设备
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2孔腔室载玻片-无凹液面
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18孔培养载玻片-扁平版
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API Coryne
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常规培养基
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CoverWell?成像小室
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成像垫片(imaging spacer)
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一体化成像系统 (具备AI人工智能技术)
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High temperature four-module thermostatic metal bath
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荧光蛋白激发观察系统
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荧光蛋白激发观察系统
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便携式显微镜-带XY工作台
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PM-1 便携式显微镜
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细胞拉伸系统
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Culture Well?可移除腔室盖玻片
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其他设备(电生理/IVF)
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SecureSlip?带硅胶层盖玻片
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活细胞培养系统
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Three-dimensional mixer
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磁石培养皿
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CoverWell?灌流小室
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CultureWell?多孔腔室盖玻片
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共培养载玻片
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磁座组合式活细胞培养槽
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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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琼脂糖
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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温度探针&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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组织切片全系统
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High temperature type CNC super constant temperature bath
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Vibratron II振动型整流器
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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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培养皿载玻片保湿盒
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玻璃底培养皿
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串联连接管
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Biological indicator incubator
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弹性底部培养皿
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Beating aseptic homogenizer
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4孔腔室载玻片-无凹液面
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Oil-free vacuum pump
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WF-1内置沉淀过滤器
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细胞分离机附属冷冻系统
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TCAT-2 动物温度控制器
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MTC-1微型温度控制器
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定制热电偶
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加热毯WB-1, WB-2
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TCAT-2配件: 加热灯HL-1
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加热板HP-1M & HP-4M
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Cross-beating grinder
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交换器SWT-2
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Single cell suspension preparation instrument
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水泵和水箱装置
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TS-4MP恒温显微镜载物台
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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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交换器SBT-5
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细胞趋化载玻片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细胞趋化载玻片
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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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减管径配件
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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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硅胶管
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μ-Slide 18 Well
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Microplate Heat Sealer
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器官运输器
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单通道载玻片
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三合一通道载玻片
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六通道平版载玻片
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单通道可粘载玻片
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六通道可粘载玻片
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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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梯度混匀器
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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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温度显示器
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温度探针
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温度探针延长线
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胰岛分离机
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Handheld Grinder
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分离管道装置
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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? 腔室系统
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Y型连接管
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无血清培养基
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细胞培养试剂
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原代细胞及推荐培养基
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支原体检测
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转染试剂
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8孔可粘腔室载玻片
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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孔腔室载玻片
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4孔腔室载玻片
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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培养皿盖/载玻片盖
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胰岛计数皿
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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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氮化硅弹珠
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细胞抽样管
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菌种保存管
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胰岛细胞计数仪
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T型热电偶金属线
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生物流体灌流系统
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灌流小室
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灌流管道装置
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灌流喷头
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灌流腔室过滤器
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COBE? 2991 血细胞淘洗机
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闪胶
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BNC热电偶
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通用型探针
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胰岛运输器
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API Campy
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TH-8 热敏性检测温度计
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BAT7001H温度计
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THERMES USB 温度数据采集
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THERMES USB WFI 温度数据采集
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针型微探针
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Ultra High Throughput Tissue Grinder
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超细IT-系列灵活探针
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Ultra High Throughput Tissue Grinder
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临床探针
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动物直肠探针
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RET-2-ISO
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RET-3-ISO
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RET-4直肠探针
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IT系列特氟龙探针
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MT系列针型微探针
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API 10S
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灵活可植入探针
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Grinder for scientific research
Grinder for scientific research
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General?Instruments
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Xiaomei Ultrasound Series
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