Cy3 NHS Ester (Cyanine3 NHS ester)

评测依据

• review_count：2100
• rating_avg：4.7
• brand_reputation：0
• merchant_count：0
• price_range：[800,1999]
• dimension：best_value
• sources：["京东","天猫","Lumiprobe中国官网","小红书"]
• time_range：{"from":"2026-06-25 15:23:41","to":"2026-06-25 15:23:41"}
• intros：{"brand_intro":"Lumiprobe是一家专注于荧光染料和标记试剂的美国生物技术公司，成立于2006年，总部位于马里兰州。公司由一群有机化学家创立，核心优势在于花菁染料（Cyanine）的合成工艺创新，其Cy3、Cy5系列产品以高纯度和低成本著称。Lumiprobe的品控理念是\"化学纯度即生命\"，所有产品均通过NMR和LC-MS双重验证。在中国市场，Lumiprobe凭借其性价比优势，已成为中小型实验室的热门选择，被誉为\"进口染料中的平价替代\"。","product_intro":"Cy3 NHS Ester是Lumiprobe最畅销的荧光标记试剂之一，专为蛋白质、多肽和寡核苷酸的胺基标记设计。其核心卖点在于采用专利纯化技术，使染料纯度高达99%以上，非特异性结合极低。该产品适用于免疫荧光、FISH及微阵列芯片检测。相比Thermo的Alexa Fluor 555，Lumiprobe Cy3在光谱上几乎完全匹配，但价格低约50%，且水溶性更佳，标记后不易沉淀。对于需要大量标记抗体的实验室，这款产品是平衡成本与性能的理想选择。","key_specs":{"激发波长":"550 nm，与标准Cy3通道完全兼容","发射波长":"570 nm，典型橙红色荧光","分子量":"约750 Da，小分子量利于深层组织渗透","纯度":"≥99%（NMR），无游离胺杂质","储存条件":"-20°C避光，干燥保存，有效期3年","适配人群":"进行抗体标记、核酸标记及组织成像的中高级科研用户"}}
• alt_products：[{"product_name":"Cy3 NHS Ester (Cyanine3 NHS ester)","brand":"Lumiprobe","model":"21020","price":890},{"product_name":"Alexa Fluor™ 555 NHS Ester (Succinimidyl Ester)","brand":"Thermo Fisher Scientific","model":"A37571","price":1680},{"product_name":"Cy3 Tyramide (TSA Plus Cy3)","brand":"MCE (MedChemExpress)","model":"HY-D0986","price":1250}]
• kol_quotes：[]
• scoring_breakdown：[{"source":"word_of_mouth","score":85.89999999999999,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"综合天猫、Lumiprobe官网及小红书评价，该产品口碑良好。优点：纯度极高，标记后抗体活性保留好；水溶性佳，标记反应体系无需添加有机溶剂；价格适中，适合批量采购。缺点：荧光亮度略低于Alexa Fluor 555（约低15%）；光稳定性在强激光下稍逊，适合常规成像而非超分辨。专业评测指出，其标记效率可达85%以上，且游离染料易通过脱盐柱去除。用户普遍反馈，对于非极端要求的实验，Lumiprobe Cy3是可靠的\"工作马\"。","source_count":4}},{"source":"objective","score":90.71312343619682,"weight":0.6,"confidence":0.5,"details":{"rating_avg":4.7,"price":890,"wom_score":85.89999999999999}},{"source":"user_review","score":94,"weight":0.15,"confidence":1,"details":{"rating_avg":4.7,"review_count":2100,"source":"product_reviews_aggregate"}}]
• method_version：v3
• search_visual：null