Sigma-Aldrich EdU (5-ethynyl-2'-deoxyuridine) for cell proliferation

评测依据

• review_count：1200
• rating_avg：4.8
• brand_reputation：0
• merchant_count：0
• price_range：[800,1999]
• dimension：best_value
• sources：["京东","默克官网"]
• time_range：{"from":"2026-06-25 15:17:32","to":"2026-06-25 15:17:32"}
• intros：{"brand_intro":"Sigma-Aldrich（现属默克集团）是全球历史最悠久的化学与生物试剂品牌之一，成立于1975年，总部位于美国密苏里州。其产品线覆盖超过30万种化学品和试剂，是科研领域的'百科全书'。Sigma的EdU单体产品以超高纯度（≥99%）和严格的质量控制著称，是许多高端实验室自行配制检测体系的首选原料。品牌秉承'科学至上'理念，每一批次均提供COA证书，确保可追溯性。","product_intro":"Sigma-Aldrich EdU单体（5-乙炔基-2'-脱氧尿苷）是纯化学原料，非完整试剂盒。核心卖点：纯度≥99%，无核酸酶污染；可灵活配制不同浓度和检测体系；适合有经验的用户自行优化实验条件。适用于需要定制化检测方案的实验室，如特殊细胞类型、非标准标记时间等。相比完整试剂盒，价格更低但需要用户自行购买配套荧光染料和缓冲液。","key_specs":{"产品类型":"EdU单体粉末，纯度≥99%","分子量":"252.23 g/mol","溶解性":"溶于DMSO或PBS，推荐浓度10 mM","保存条件":"-20℃干燥保存，有效期3年","规格":"1 mg/5 mg/25 mg","适用场景":"自行配制EdU检测体系，或作为合成中间体"}}
• alt_products：[{"product_name":"Sigma-Aldrich EdU (5-ethynyl-2'-deoxyuridine) for cell proliferation","brand":"Sigma-Aldrich","model":"900584-1MG","price":850},{"product_name":"Click-iT EdU Alexa Fluor 488 Flow Cytometry Assay Kit","brand":"Thermo Fisher Scientific","model":"C10424","price":1280}]
• kol_quotes：[]
• scoring_breakdown：[{"source":"word_of_mouth","score":92.9,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"综合京东、默克官网、丁香通等平台1200+条评价，用户多为资深科研人员。优点：纯度高，批次稳定，适合对质量要求极高的实验；灵活性强，可自行优化标记浓度和时间；价格比完整试剂盒便宜。缺点：需要用户自行配制检测体系，操作门槛高；配套试剂需另购，总成本可能超过国产试剂盒；不适合新手。专业评测指出，Sigma EdU单体是'高手向'产品，适合有经验的实验室。","source_count":2}},{"source":"objective","score":94.86395746455379,"weight":0.6,"confidence":0.5,"details":{"rating_avg":4.8,"price":850,"wom_score":92.9}},{"source":"user_review","score":96,"weight":0.15,"confidence":1,"details":{"rating_avg":4.8,"review_count":1200,"source":"product_reviews_aggregate"}}]
• method_version：v2
• search_visual：null