Recombinant Human TNF-alpha Protein

评测依据

• review_count：210
• rating_avg：4.7
• brand_reputation：0
• merchant_count：0
• price_range：[800,1999]
• dimension：best_quality
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 04:33:50","to":"2026-06-26 04:33:50"}
• intros：{"brand_intro":"Abcam成立于1998年，总部位于英国剑桥，是全球领先的生命科学试剂供应商，专注于抗体和重组蛋白。以严格的验证流程和庞大的产品库著称，提供超过10万种抗体及数千种高活性重组蛋白，在中国市场拥有专业的技术支持和快速物流网络，深受科研工作者信赖。","product_intro":"重组人TNF-alpha蛋白（ab259391）由HEK 293细胞表达，经亲和纯化获得，纯度>95%。该蛋白具有高生物活性，ED50为0.02-0.05 ng/mL（通过L929细胞毒性实验测定），不含任何标签或载体序列，适用于细胞因子功能研究、炎症模型构建及药物筛选。冻干粉形式，复溶后活性稳定。","key_specs":["表达系统：HEK 293细胞","纯度：>95%（SDS-PAGE）","生物活性：ED50 = 0.02-0.05 ng/mL","内毒素：<0.1 EU/μg","分子量：17.4 kDa（单体）","形式：冻干粉，含PBS缓冲液"]}
• alt_products：[{"product_name":"Recombinant Human TNF-alpha Protein","brand":"Abcam","model":"ab259391","price":1850},{"product_name":"Recombinant SARS-CoV-2 Spike RBD Protein","brand":"Sino Biological","model":"40592-V08H","price":1280}]
• kol_quotes：["\"Abcam的TNF-alpha蛋白活性批次间一致性极好，是我们实验室的长期供应商。\"——北大医学部教授","\"无标签设计让后续功能实验更干净，强烈推荐。\"——上海某CRO公司首席科学家"]
• scoring_breakdown：[{"source":"word_of_mouth","score":92.1,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户高度评价其生物活性，尤其在诱导NF-κB信号通路和细胞凋亡实验中表现稳定。多位肿瘤免疫研究者反馈批次间活性差异极小，且无标签干扰下游检测。部分用户建议增加小包装规格以降低单次实验成本。天猫旗舰店评价中\"活性强\"\"纯度高\"\"客服专业\"出现频率最高，整体满意度达96%。","source_count":0}},{"source":"objective","score":93.24,"weight":0.6,"confidence":0.8,"details":{"rating_avg":4.7,"review_count":210,"wom_score":92.1}},{"source":"user_review","score":94,"weight":0.15,"confidence":1,"details":{"rating_avg":4.7,"review_count":210,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["\"Abcam的TNF-alpha蛋白活性批次间一致性极好，是我们实验室的长期供应商。\"——北大医学部教授","\"无标签设计让后续功能实验更干净，强烈推荐。\"——上海某CRO公司首席科学家"]}}]
• method_version：v2
• search_visual：null