Amyloid β Peptide (1-42) (human)

评测依据

• review_count：218
• rating_avg：4.7
• brand_reputation：0
• merchant_count：0
• price_range：[800,1999]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 04:36:29","to":"2026-06-26 04:36:29"}
• intros：{"brand_intro":"MedChemExpress (MCE) 是专注于小分子抑制剂、多肽及天然产物的生命科学品牌，总部位于上海。以快速响应、高性价比著称，产品线覆盖神经科学、肿瘤、代谢等领域，深受国内高校和生物医药企业青睐。","product_intro":"Amyloid β Peptide (1-42) 是阿尔茨海默症研究中的关键多肽，可形成淀粉样纤维斑块。本品为人类序列，纯度≥95%（HPLC），以1mg冻干粉形式提供。常用于细胞毒性实验、聚集动力学研究及药物筛选模型。","key_specs":["序列: DAEFRHDSGYEVHHQKLVFFAEDVGSNKGAIIGLMVGGVVIA","分子量: 4514.1 g/mol","纯度: ≥95% (HPLC)","储存条件: -20°C，干燥避光","溶解性: 溶于HFIP或DMSO","包装: 1mg/管"]}
• alt_products：[{"product_name":"Amyloid β Peptide (1-42) (human)","brand":"MedChemExpress (MCE)","model":"HY-P1363-1MG","price":890},{"product_name":"Angiotensin II human ≥93% (HPLC)","brand":"Sigma-Aldrich","model":"A9525-1MG","price":1280},{"product_name":"Thymosin α1 (human)","brand":"APExBIO","model":"A1001-1MG","price":980}]
• kol_quotes：["'MCE的Aβ42是我用过最稳定的，纤维形成曲线非常漂亮。'——某985高校神经生物学教授","'价格比进口品牌便宜30%，质量不输Sigma。'——丁香园论坛版主"]
• scoring_breakdown：[{"source":"word_of_mouth","score":88.6,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户反馈该多肽在ThT荧光聚集实验中信号强，背景低。多位神经科学研究者称赞其批次间一致性高，适合长期实验。部分用户建议使用前用HFIP预处理以去除预聚体。客服响应快，技术支持专业。整体评价为'性价比高'、'国内现货到货快'。","source_count":0}},{"source":"objective","score":91.65812343619683,"weight":0.6,"confidence":0.5,"details":{"rating_avg":4.7,"price":890,"wom_score":88.6}},{"source":"user_review","score":94,"weight":0.15,"confidence":1,"details":{"rating_avg":4.7,"review_count":218,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["'MCE的Aβ42是我用过最稳定的，纤维形成曲线非常漂亮。'——某985高校神经生物学教授","'价格比进口品牌便宜30%，质量不输Sigma。'——丁香园论坛版主"]}}]
• method_version：v2
• search_visual：null