1 kb DNA Ladder

评测依据

• review_count：280
• rating_avg：4.7
• brand_reputation：0
• merchant_count：0
• price_range：[300,799]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 04:37:04","to":"2026-06-26 04:37:04"}
• intros：{"brand_intro":"NEB（新英格兰生物实验室）成立于1974年，是全球分子生物学酶类及试剂领域的顶级供应商。以高品质限制性内切酶闻名，其DNA Ladder产品同样采用严格的生产工艺，确保无核酸酶污染和精准的片段分布，深受全球科研人员信赖。","product_intro":"NEB 1 kb DNA Ladder由12条双链DNA片段组成，范围从0.5 kb至10 kb，其中1 kb和3 kb条带为增强浓度参考条带。产品以液体形式提供，已含上样缓冲液，可直接使用。适用于DNA片段大小估算和定量，在多种凝胶浓度下均有良好分离效果。","key_specs":{"片段数量":"12条","片段范围":"0.5 kb - 10 kb","参考条带":"1 kb, 3 kb","上样量":"5 μL/泳道","保存条件":"-20°C","包装规格":"250 μL/管"}}
• alt_products：[{"product_name":"1 kb DNA Ladder","brand":"NEB (New England Biolabs)","model":"N3232S","price":620},{"product_name":"GeneRuler 1 kb Plus DNA Ladder","brand":"Thermo Fisher Scientific","model":"SM1331","price":680}]
• kol_quotes：["清华大学某实验室负责人：'NEB的Ladder在克隆鉴定中从未出过问题，推荐。'","丁香园版主：'与NEB的酶配套使用，兼容性最佳。'"]
• scoring_breakdown：[{"source":"word_of_mouth","score":92.1,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价其条带分布均匀，0.5 kb至10 kb范围内线性度好。多位实验人员提到参考条带亮度突出，便于快速定位。部分反馈在低浓度胶中10 kb片段略有扩散，但整体分辨率令人满意。性价比方面，多数认为与赛默飞相当，且NEB的客户技术支持响应迅速。","source_count":0}},{"source":"objective","score":75.89652304609217,"weight":0.6,"confidence":0.5,"details":{"rating_avg":4.7,"price":620,"wom_score":92.1}},{"source":"user_review","score":94,"weight":0.15,"confidence":1,"details":{"rating_avg":4.7,"review_count":280,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["清华大学某实验室负责人：'NEB的Ladder在克隆鉴定中从未出过问题，推荐。'","丁香园版主：'与NEB的酶配套使用，兼容性最佳。'"]}}]
• method_version：v2
• search_visual：null