Overview
Microplates for microassays, also known as microwell plates, are standardized laboratory tools designed for high-throughput sample analysis. They consist of a flat plate with multiple wells arranged in a grid (commonly 96, 384, or 1536 wells), enabling simultaneous processing of numerous samples with minimal reagent consumption. These plates are integral to modern biochemistry, molecular biology, and drug discovery workflows. First introduced in the 1950s, microplates revolutionized lab efficiency by replacing individual test tubes. Today, they are manufactured from materials like polystyrene, polypropylene, or COC, each offering specific advantages for applications such as ELISA, PCR, or cell culture. Their compatibility with automated liquid handlers and readers further enhances their utility in industrial and research settings.
Structure and Working Principle
A microplate’s structure includes a rigid frame with evenly spaced wells, typically arranged in a 8×12 (96-well) or 16×24 (384-well) matrix. Each well holds volumes ranging from 50 µL to 1 mL, depending on the plate type. The design ensures uniform heat distribution during incubation and minimizes evaporation during long assays. Plates may feature flat, round, or conical well bottoms, chosen based on the assay’s requirements. For instance, conical wells suit cell sedimentation, while flat-bottom wells are ideal for optical measurements. Advanced variants include black/white plates for luminescence assays or clear plates for UV-visible spectroscopy. Surface treatments (e.g., hydrophilic coatings or low-binding polymers) further optimize performance for specific applications.
Key Features
Modern microplates offer several critical features: UV transparency for optical assays, chemical resistance to solvents like DMSO, and low-binding surfaces to minimize sample loss. High-quality plates ensure minimal well-to-well variability, crucial for reproducible results in quantitative assays like ELISA or qPCR. Automation compatibility is another key feature, with standardized ANSI/SLAS dimensions (e.g., 127.76 mm × 85.48 mm) ensuring seamless integration with robotic systems. Some plates include barcodes for traceability in large-scale studies. Specialty plates, such as deep-well plates for storage or tissue-culture-treated plates for cell growth, cater to niche applications while maintaining the core benefits of microplate technology.
Application Areas
Microplates are ubiquitous in life sciences and diagnostics. In drug discovery, they enable high-throughput screening of compound libraries. Clinical labs use them for ELISA-based pathogen detection or hormone level measurements. Academic researchers rely on them for genomics (e.g., PCR) and proteomics workflows. Beyond biology, microplates serve environmental testing (e.g., water quality assays) and food safety monitoring. Their adaptability to fluorescence, absorbance, and luminescence detection methods makes them versatile across industries. Emerging applications include single-cell analysis and 3D cell culture, where specialized microplates with ultra-low attachment surfaces or microfluidic integrations are gaining traction.
Maintenance and Precautions
Proper handling extends a microplate’s usability. Avoid mechanical stress (e.g., stacking heavy items) to prevent warping. Store plates in a dry, dust-free environment, ideally sealed to prevent contamination. For reusable plates, follow manufacturer guidelines for cleaning—typically mild detergents and non-abrasive tools. Temperature sensitivity is a key consideration. While most plates tolerate standard lab conditions, extreme heat (e.g., autoclaving) can deform polystyrene plates. Chemical exposure limits vary by material; polypropylene resists harsh solvents better than polystyrene. Always verify plate compatibility with assay reagents to avoid well degradation or interference with detection signals.
B2B Procurement Guide
When sourcing microplates, prioritize suppliers with ISO 13485 or similar certifications to ensure consistent quality. Bulk purchases (e.g., cases of 100+ plates) often reduce costs by 10–30%. Evaluate material suitability: polystyrene for general assays, polypropylene for organic solvents, or COC for high optical clarity. Request samples to test plate performance with your specific assays. Key metrics include well uniformity (CV < 5%), background signal (e.g., autofluorescence), and compatibility with your lab’s readers. For regulated industries (e.g., pharmaceuticals), opt for plates with documented USP Class VI or FDA compliance. Lead times vary; stock items ship in days, while custom plates (e.g., specialized coatings) may require weeks.
Related Manufacturers
- 主营：酶标条、酶标板、移液器、微孔板、凸面带、200加长、锥形瓶、pcr八连、聚丙烯、管管盖、移液管、过滤板、培养皿、吸头盒、冷冻管、培养瓶、离心瓶、深孔板、pcr管盒、连排管、反应板、八连管、避光管、螺口管、带滤芯、离心管
- 主营：微孔板、洗板机、触摸屏、酶标仪
- 主营：圆孔网、铝合金、冲孔网、微孔板、冲孔板、热轧板、冷轧板、洞洞网、锰钢板、洞洞板、镀锌板、筛网板、网孔板、不锈钢板、冲孔筛板、冲压筛板、带孔铝板、冲压筛网、冲孔筛网、冲压网板、穿孔钢板、冲孔铝板、穿孔铝板、不锈钢铝板、通风散热板、镀锌穿孔板
- 主营：基坑护栏、施工围挡、冲孔板、微孔板、护栏网、圆孔网、冲孔围挡、不锈钢冲孔网、筛网板、圆孔托盘、穿孔板、冲孔通风网板、市政护栏、锌钢护栏、草坪护栏、道路护栏、小区围栏、电梯门井口
- 主营：公路铁路护栏网、体育场围栏网、框架护栏网、微孔板、桥梁防抛网、工地防护网、球场勾花护栏网、井口防护网、边框护栏网、锌钢护栏网、机场护栏网、防爬伞、小区围栏、双边护栏网、基坑临时护栏网、树木支撑杆、铁丝钢丝网、SNS边坡防护网、勾花网、护栏网、主动被动防护网、车间仓库隔离网、道路隔离网
- 主营：石英晶圆片、高温高压窗口片、蓝宝石晶圆片、微孔板、石英器皿、密度计、石英烧瓶、螺旋管、光催化反应器、比色皿、砂芯、投料杯、半导体治具、反应釜、石英坩埚、激光保护镜片、镀膜片、激光腔体、锥形瓶、蒸馏瓶、圆底烧瓶、研磨板、压条、UV镀膜片、烧杯、酶标板
- 主营：聚氨酯保温板、泡沫玻璃板、砂浆纸岩棉复合板、微孔板、阳光房隔热板、聚合聚苯板、复合硅酸盐板、水泥发泡板、挤塑板、聚苯板、酚醛板、保温装饰一体板
- 主营：牛奶分析仪、液体密度计、手持辣度计、超微量分光光度计、水质检测仪、食品安全检测仪、土壤养分检测仪、牛奶冰点仪、程控定量封口机、凯氏定氮仪、微波消解仪、固相萃取仪、电位滴定仪、光合作用测定仪、尘埃粒子计数器、全自动菌落计数器
- 主营：固态电池设备、扣式电池设备、圆柱电池设备、微孔板、锂电设备、电池材料
- 主营：波形护栏、施工围挡、工业大风扇、微孔板、实验台、市政护栏、活动房、高速防撞垫、活动护栏、护栏网、声屏障、围墙护栏、水泥仿木护栏、桥梁护栏、不锈钢柜子、缆索护栏、双层床
- 主营：防尘网、围栏、护栏、微孔板、波形护栏、边坡防护网、声屏障、钢格板、市政护栏、石笼网、隔离网
- 主营：阻截膜滤芯、芳径分离滤芯、除油除铁滤芯、微孔板、水中除油滤芯、派瑞天然气滤芯、天然气滤芯、玻纤烧结滤芯、不锈钢滤芯、聚结分离滤芯、油水分离滤芯、液压滤芯、枪头滤芯、PE滤芯、PE烧结滤环、烧结网滤芯、烧结毡滤芯、陶瓷滤芯、过滤器、聚结器、除尘器、多孔雾化滤芯、PE烧结滤芯、天然气聚结滤芯、不锈钢烧结网滤芯、过滤器玻纤滤芯
- 主营：[]
- 主营：混合器、反应仪、制冰机、微孔板恒温振荡器、金属浴、混匀仪、培养箱、超声波、水浴锅、均质仪、离心机、振荡器、均质袋、恒温槽、耳温计、振荡仪、反应器、匀浆机、均质机、脱色摇床、高温循环、氮气吹扫、智能恒温、平滑肌槽、水平旋转、干式恒温
- 主营：测试仪、线径测量仪、拉力试验仪、韧性检测仪器、皮肤缝合针线、轮椅车测试仪器、鲁尔圆锥接头测试仪、鞋子止滑试验机
- 主营：819刀片、PCR管、细胞板、微孔板、蛋白酶、八联管、转印膜、病理刀片、免疫组化笔、细胞计数板、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、内皮细胞培养基ECM、湿转印仪、牛血清白蛋白
- 主营：硅酸钙、保温材料、高密度硅酸钙板、微孔板、高密度硅酸钙管壳、硅酸钙管壳、硅酸钙管托、硅酸钙保温管托、硅酸钙保温管壳、高密度硅酸钙异形件、高强度硅酸钙板、无石棉微孔硅酸钙板、纤维增强硅酸钙板、微孔硅酸钙板、保温硅酸钙板、漂珠硅酸钙板、玻璃热弯模具、手机玻璃热弯模具、3D玻璃热弯模具、汽车玻璃热弯模具、汽车后视镜玻璃模具、手机壳模具、炉窑硅酸钙管壳、保冷硅酸钙管壳、保热硅酸钙管壳、漂珠防火板