Overview
A pipette is an essential laboratory instrument designed for precise measurement and transfer of liquid volumes, particularly in cell culture and molecular biology. It is widely used in research, clinical diagnostics, and pharmaceutical industries. Pipettes come in various types, including air-displacement pipettes, positive-displacement pipettes, and multi-channel pipettes, each suited for specific applications. Their accuracy and reproducibility make them indispensable in quantitative experiments.
Structure and Working Principle
A standard pipette consists of a handle, plunger, tip ejector, and volume adjustment dial. Air-displacement pipettes work by creating a vacuum to draw liquid into a disposable tip, while positive-displacement pipettes use a piston to directly contact the liquid. The accuracy of pipettes depends on proper calibration and technique. Electronic pipettes offer programmable functions for repetitive tasks, reducing user variability and improving efficiency in high-throughput environments.
Key Features
Modern pipettes are designed for precision, with error margins as low as 0.1%. Ergonomic designs reduce user fatigue during prolonged use, and adjustable volume settings allow flexibility across different applications. Many pipettes feature autoclavable components for sterilization, crucial in cell culture work. Some advanced models include digital displays and memory functions to store frequently used protocols, enhancing workflow efficiency.
Application Areas
Pipettes are fundamental in molecular biology for tasks like PCR setup, ELISA assays, and sample preparation for sequencing. In cell culture, they are used for media changes, passaging cells, and adding reagents. Clinical laboratories rely on pipettes for diagnostic tests, while pharmaceutical companies use them in drug development and quality control. Their precision is critical in all these applications to ensure reproducible results.
Maintenance and Precautions
Regular calibration is essential to maintain accuracy, typically performed annually or after intensive use. Pipettes should be cleaned according to manufacturer instructions to prevent cross-contamination. Users should avoid pipetting corrosive liquids without proper tips, and never lay a loaded pipette horizontally. Proper storage in a vertical position helps maintain calibration and prolongs the instrument's lifespan.
B2B Procurement Guide
When purchasing pipettes in bulk, consider the volume range needed, accuracy requirements, and ergonomic features for user comfort. Reputable brands offer service contracts for calibration and maintenance. Evaluate the total cost of ownership, including tip compatibility and warranty terms. For specialized applications, consult with manufacturers about custom solutions. Bulk purchases often qualify for discounts, especially for academic or research institutions.
Related Manufacturers
- 主营：2ml冻存管、5ml样品瓶、淋洗液发生罐、细胞过滤器、细胞培养锥形瓶、移液管、八联管、巴氏吸管、试剂槽、冷冻管、无粉乳胶手套、移液器、离心管、丁腈手套、棕色冻存管、冻存盒、2mL样品瓶、冻存管
- 主营：滤芯吸头、离心瓶、培养皿、移液管、细胞培养、样品管、冷冻管、连排管、八连管、螺口管、离心管、virya1250ul、生物科技、滤芯吸嘴、PCR管、PCR板
- 主营：离心瓶、深孔板、乳胶手套、移液管、离心管、滤芯吸头、巴氏吸管、丁腈手套、生物磁珠、冻存盒、冻存管、色谱柱、石墨管、抑制器、500ml离心瓶
- 主营：离心瓶、冻存管、冻存盒、细胞过滤器、移液管、巴氏吸管、乳胶手套、丁腈手套、淋洗液发生罐、样品瓶、导电吸头、采样锥、截取锥、离子色谱柱、离子抑制器、萃取池、氘灯、石墨管、萃取小柱
- 主营：黑色吸头、滤芯吸头、透明吸头、移液管、导电吸头、盒装吸头、滤芯吸嘴、工作站吸头、高透明吸嘴
- 主营：移液管、离心管
- 主营：离心瓶、培养皿、培养瓶、细胞移液管、细胞培养板、三角细胞摇瓶、螺口管、冻存管、离心管、灭菌吸头、滤芯吸头、导电吸头、滤芯吸嘴、工作站吸头、无热源吸头、灭菌枪头盒、移液器吸头
- 主营：离心管、冷冻管、试剂槽、带刻度血清移液管、运输管
- 主营：不锈钢储罐、陶瓷过滤机、冷凝水回收装置、移液管架、玻璃钢罐、冷凝器、离心机、压滤机
- 主营：超净工作台、高压蒸汽灭菌器、生物安全柜、移液管、低温冰箱、二氧化碳培养箱、生化培养箱、除颤仪、经皮黄疸仪、婴儿培养箱、生化分析仪、安全柜检测过滤器更换、红外线灭菌器、移液器、医用离心机、智慧药房、包埋机、脱水机、酶联免疫分析仪、欧莱博液氮罐、欧莱博移液器、欧莱博纯水机、欧莱博天平、欧莱博通风柜、切片机、化学发光免疫分析仪
- 主营：混凝土仪器设备、防水卷材仪器设备、涂料仪器设备、移液管、沥青仪器设备、岩石仪器设备、管材仪器设备、集料仪器设备、保温材料仪器设备、砖瓦仪器设备、钢筋仪器设备、人造板仪器设备、石膏仪器设备、砂浆仪器设备、密封胶仪器设备、土工仪器设备、水泥仪器设备、试验夹具、交通安全仪器设备
- 主营：溶样瓶、监测仪、清洗罐、移液管、滤器1/4、雾化器、纯水机、储液瓶、试剂瓶、广口瓶、47mm滤膜、savillexpfa、瓶酸蒸馏、烟囱气体、组件容器、汞分析仪、分析仪ve7、黄金标样、saviillexpfa、紧固扳手、纯水系统、标准瓶盖、voc催化管、标准物质、pfa流量计、tracker3000xs
- 主营：击实仪、筛析仪、检测仪、移液管、测试仪、探钎机、集装箱、试验机、测定仪、试验仪、阻力仪、振摆仪、大于40cm、uv紫外线、防水材料、水泥浆体、石材耐磨、电线电缆、塑料哑铃、水泥标准、砖石水泥、狄法尔磨、电动脱模、稳定度仪、压力泌水、胶砂流动
- 主营：细胞、试剂盒、elisa试剂盒、pcr试剂盒
- 主营：移液器、离心机、搅拌器、2ml移液管图片、天平、金属浴、显微镜、摇床、培养箱、定氮仪、分光光度计、基因导入仪、旋转蒸发仪、基因扩增仪、水浴锅、氮吹仪、加热板、超声波破碎、浓缩仪、气相色谱仪、冷冻干燥机、蛋白检测仪、蛋白纯化仪、荧光计、静电纺丝机
- 主营：检测方、钠尿肽、试剂盒、细胞激活因子、同源物、ep300检测、结合蛋白、大鼠c-肽(、微球蛋白、抗胰蛋白酶、淋巴瘤因子、蛋白磷酸酶、死亡激动剂、核心域蛋白1、大鼠e选择素、大鼠janus激酶、激活蛋白激酶、大鼠ⅱ型胶原、大鼠ⅳ型胶原、大鼠klotho蛋白、大鼠ⅲ型胶原、大鼠nadh脱氢酶1、大鼠ⅵ型胶原α1、elisa 检测试剂盒
- 主营：移液器、搅拌器、分析天平、2ml血清移液管、旋转蒸发仪、离心机、混匀仪、振荡器、摇床、金属浴、培养箱、显微镜、加热板、定氮仪、水分测定仪、超声波清洗机、水质检测仪、基因扩增仪、浓缩仪、洗瓶机、反应釜、电泳仪、超声聚焦打断仪、滴珠机、凝胶成像、酸纯化系统
- 主营：公路仪器、试验检测仪器、搅拌机、移液管、土工布检测仪器、混凝土检测、压力试验机、土工仪器、建筑仪器、电动击实仪、沥青车辙试验仪、土壤检测分析仪、混合料拌和机、粗粒土相对密度仪、检测仪、击实仪、水泥检测分析仪、沥青检测分析仪、各种夹具、应变式直剪仪、耐磨试验机、导热系数测定仪、管材静液压试验机、粗粒土检测仪器、混凝土检测仪、陶瓷砖检测仪器
- 主营：819刀片、PCR管、微孔板、细胞板、细胞计数板、内皮细胞培养基ECM、蛋白酶、八联管、转印膜、病理刀片、免疫组化笔、离心管、降温盒、移液槽、蛋白定量试剂盒、病理切片石蜡、PBS片剂、ECL发光液、二甲基亚砜、PCR封板膜、梯度降温冻存盒、PVDF转印膜、盒装吸头、湿转印仪、牛血清白蛋白
- 主营：高耐磨、氧化锆、球磨机、移液管、聚氨酯、碳化硅、硬质合金、真空手套箱、尼龙球磨罐、聚四氟乙烯、土壤研磨机、刚玉球磨罐、不锈钢球磨罐、不锈钢手套箱、亚克力手套箱、惰性气体手套箱
- 主营：便携式五参数水质检测、个人防护包、便携式水质采样器、移液管、快检试剂、便携式多参数水质检测、便携式明渠流量计、激光测距仪、恒温恒湿称重系统、氨氮六价铬水质检测仪、油烟检测仪、烟尘烟气检测仪、便携式多气体检测仪、紫外辐射照度计、激光粉尘检测仪、风速仪