主要功能:
利用激光测定溶液中蛋白质/核酸等生物大分子的相对分子质量情况。如利用测定结果分析蛋白质样品的聚集状态,样品纯度等。
设备型号:Mass Photometer
生产厂家:Refeyn
技术参数:
Measurement principle: Label-free/interferometric light scattering
Mass range: 40kDa-5MDa
Measurement precision: ±2%
Single measurement mass err: ±5%
Resolution(FWHM): 25kDa @ 66kDa, 85kDa @ 660kDa
Concentration range: 100pM-100nM(particle concentration)
Sensitivity: < 1ng of protein
Sample volume: 5-20uL
Frame rate(standard setting): 1kHz(raw), 100Hz(integrated)
Field of View: 3ⅹ10um(@ 1 kHz) up to 10ⅹ10um(@ 300 Hz)
Wavelength: 525nm
Pixel size: 21nm