Overview
Mycotoxin immunoaffinity columns (IACs) are critical tools for isolating and concentrating mycotoxins from agricultural and food samples. They employ monoclonal or polyclonal antibodies immobilized on a gel matrix to bind target toxins like aflatoxins or deoxynivalenol (DON). Designed for compatibility with HPLC, LC-MS/MS, or ELISA, these columns enhance detection sensitivity by removing interfering compounds. IACs adhere to international standards such as ISO 16050 (aflatoxins) and AOAC 2001.04 (ochratoxin A). Their use spans grain storage facilities, dairy farms, and export-import testing labs, ensuring compliance with EU and FDA regulations.
Physical and Chemical Properties
The columns typically contain agarose or sepharose beads functionalized with mycotoxin-specific antibodies. Binding capacity ranges from 100–500 ng per column, depending on the toxin-antibody affinity. The gel matrix is stable within pH 6–8 and temperatures below 30°C. Most commercial IACs are single-use, though some reusable variants exist. Flow rates during sample purification average 1–2 mL/min, optimized to balance binding efficiency and processing time. Shelf lives vary from 6–24 months, contingent on storage conditions.
Main Applications
IACs are indispensable in testing cereals (e.g., corn, wheat) for aflatoxin B1, a carcinogen regulated at <20 ppb in the EU. Dairy industries use them to detect aflatoxin M1 in milk, while poultry farms screen feed for fumonisins. Beyond agriculture, IACs support research on mycotoxin metabolism and toxicology. Multi-mycotoxin columns (e.g., for simultaneous aflatoxin/ochratoxin extraction) are gaining traction, reducing lab workflow complexity.
Safety and Storage
Store columns at 2–8°C in original packaging to prevent antibody denaturation. Avoid repeated freeze-thaw cycles. Users should wear nitrile gloves, as mycotoxins are hazardous upon direct contact. Post-use disposal follows biohazard protocols for antibody-containing materials. For extended stability, columns should be equilibrated to room temperature before opening to minimize condensation.
B2B Procurement Guide
When sourcing IACs, prioritize suppliers with ISO 17025 accreditation. Key selection criteria include antibody specificity (e.g., cross-reactivity to similar toxins), lot-to-lot consistency, and validation data for your target matrix (e.g., peanut butter vs. animal feed). Bulk purchases (50+ columns) often reduce costs by 15–30%. Consider modular systems like Vicam’s AflaTest or Romer Labs’ Myco6in1 for high-throughput needs. Request certificates of analysis (CoA) for each batch.
Related Manufacturers
- 主营：固相萃取仪、氮吹仪、固相萃取装置、C18萃取柱、HLB萃取柱、固相萃取柱、mcx强阳离子交换固相萃取柱、wax阴离子交换固相萃取柱、florisil固相萃取柱、silica硅胶固相萃取柱、真空干燥箱、低温恒温槽、漩涡混合器、旋涡混匀仪
- 主营：检测卡、染色液、试剂盒、亲和柱、赭曲霉毒素、黄曲霉毒素、玉米赤霉烯酮、秋水仙、衍生装置、镰刀菌烯醇、细胞培养盘、细胞培养液
- 主营：多功能净化柱、总量免疫亲和柱、磁珠净化设备
- 主营：色谱填料、色谱板、介孔二氧化硅、柱层析硅胶、SPE小柱、粗孔微球硅胶、催化剂载体、二氧化硅开口剂、牙膏专用二氧化硅(水合硅石)、啤酒稳定剂(啤酒硅胶)、硅胶猫砂、健康指示猫砂、水晶猫砂、冰山猫砂、NH2氨基填料、PSA填料、C18、C2、RP-18、RP-2、-SH巯基硅胶、氨丙基硅胶、粗孔微球二氧化硅、粗孔微球、开口剂
- 主营：液相色谱柱、气相色谱柱、离子色谱柱、固相萃取柱、免疫亲和柱、净化管、盐包
- 主营：真菌毒素快速检测仪、真菌毒素全自动检测仪、重金属快速检测仪、黄曲霉毒素快速检测仪、玉米赤霉烯酮快速检测仪、呕吐毒素快速检测仪、转基因快速检测仪、农药残留快速检测仪、动物疫病快速检测仪、真菌毒素+重金属二合一检测仪、真菌毒素+重金属+农药残留三合一检测仪、真菌毒素+重金属+农药残留+转基因四合一检测仪
- 主营：elisa试剂盒、菌落总数测试片、快速检测试纸条、黄曲霉毒素检测试剂盒、黄曲霉毒素快速检测试、农残检测仪、便携式胶体金读数仪、食品安全检测仪、真菌毒素检测仪、多功能食品安全检测仪、粮油饲料检测试剂盒、牛奶乳制品检测试剂盒、兽药残留检测试剂盒、菌落测试片、elisa检测试剂盒、农残快速检测试剂盒、农残检测试剂盒、ATP荧光检测仪、重金属检测试剂盒、水体病毒富集采集仪、脱氢乙酸快速检测卡、糖精钠快速检测卡、瘦肉精检测三联卡、农药残留快速检测试剂、毒死蜱检测卡
- 主营：c18气相、过滤瓶、密封圈、小柱spe、氨基柱、填充柱、芯柱芯、色谱柱、萃取柱、气相色谱柱、柱温箱、固相萃取柱、hlb固相、组件泵、高压阀、活化仪、PEEK、液相色谱仪、微孔滤膜、PEEK接头、吸附剂、色谱填料、四氟管、真空泵、样品瓶
- 主营：分析仪、砷化氢、无臭纸、免疫亲和柱、接收管、过滤管、氮合金、速测卡、滴定管、精馏头、葡萄酒、冷凝器、收装置、璃洗瓶、吸管仪、发酵栓、测定仪、分析筛、定砷仪、发泡剂、玻璃棉、测试片、萃取管、无臭袋、雾状仪、采样器
- 主营：Elisa试剂盒、胶体金检测卡、荧光定量检测、黄曲霉B1、兽药残留试剂盒、兽药残留检测卡、真菌毒素试剂盒、农药残留试剂盒、农药残留检测卡、化妆品检测胶体金、保健品检测卡、理化类食品安全快检试剂、瘦肉精三联卡、谷物饲料荧光定量检测、粮油面粉荧光定量检测、微生物检测、沙门氏菌检测
- 主营：固相萃取柱、陶瓷均质子、QuEChERS
- 主营：试剂盒、交换spe、乙二胺、色谱柱、层析柱空、人补体、spe富集、未封端、萃取管、受体β链、β细胞素、坏死因子、人脑钠素、亲脂平衡、抑制因子、双调蛋白、人苗条素、标准溶液、纤连蛋白、炎性蛋白、人整合素、层连蛋白、多效生长、趋化因子、挡板疏水
- 主营：固相萃取柱、真菌毒素免疫亲和柱、离子型预处理柱、多功能净化柱、玻璃空柱、疏水|亲水筛板、针式过滤器、微孔滤膜
- 主营：混合器、调节阀、萃取板、反相柱、银氢柱、重力柱、析空柱、净化柱、硅胶柱、检测柱、色谱柱、导流柱、混匀仪、控制器、容量瓶、检测剂、尘堵头、过滤器、吸附剂、净化管、着色剂、导流针、萃取仪、萃取包、萃取管