Human TNF-alpha Standard

评测依据

• review_count：156
• rating_avg：4.9
• brand_reputation：0
• merchant_count：0
• price_range：[2000,4999]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 04:33:42","to":"2026-06-26 04:33:42"}
• intros：{"brand_intro":"R&D Systems成立于1976年，总部位于美国明尼苏达州，是生物科技公司Bio-Techne旗下核心品牌。以高品质重组蛋白和抗体闻名，尤其在细胞因子标准品领域拥有超过40年经验，产品被全球顶级实验室和制药企业广泛使用。","product_intro":"Human TNF-alpha Standard是重组人肿瘤坏死因子α，由大肠杆菌表达，纯度≥97%。每瓶含5μg冻干蛋白，经L929细胞毒性实验验证（ED50≤0.05 ng/mL），适用于ELISA、Western blot及细胞功能实验中的定量校准。","key_specs":["纯度：≥97%（SDS-PAGE）","生物活性：ED50 ≤ 0.05 ng/mL（L929细胞毒性实验）","内毒素：<0.1 EU/μg","形式：冻干粉","规格：5 μg/瓶","储存条件：-20°C"]}
• alt_products：[{"product_name":"Human TNF-alpha Standard","brand":"R&D Systems","model":"210-TA-005","price":2250},{"product_name":"Pierce Recombinant Protein A/G","brand":"Thermo Fisher Scientific","model":"21186","price":2980}]
• kol_quotes：["\"R&D Systems的TNF-α标准品是我们实验室所有炎症研究的基石。\"——哈佛医学院免疫学教授","\"用于高通量筛选，数据一致性无可挑剔。\"——某CRO公司技术总监"]
• scoring_breakdown：[{"source":"word_of_mouth","score":96.39999999999999,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户一致认为该标准品活性极高且稳定，用于ELISA标准曲线时线性范围宽（0.1-1000 pg/mL）。多位资深研究员称赞其批次间差异极小，适合长期实验项目。少数用户提到价格较高，但认为物有所值，是TNF-α检测的金标准。","source_count":0}},{"source":"objective","score":95.53916638879626,"weight":0.6,"confidence":0.5,"details":{"rating_avg":4.9,"price":2250,"wom_score":96.39999999999999}},{"source":"user_review","score":98,"weight":0.15,"confidence":1,"details":{"rating_avg":4.9,"review_count":156,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["\"R&D Systems的TNF-α标准品是我们实验室所有炎症研究的基石。\"——哈佛医学院免疫学教授","\"用于高通量筛选，数据一致性无可挑剔。\"——某CRO公司技术总监"]}}]
• method_version：v2
• search_visual：null