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在分子生物学实验中，PCR（聚合酶链式反应）是技术之一，而PCR耗材的稳定性直接影响实验结果的可靠性。今天为大家介绍一款“细节控"实验室的宝藏耗材——USAscientific货号1402-4700，0.2ml PCR 8-tube FLEX-FREE strip attached clear flat caps natural 八联排无核酸酶薄壁PCR管（以下简称“1402-4700八联排管"）。它凭借多项创新设计，成为PCR实验的“效率加速器"。
产品详细介绍：从结构到材质的“硬核配置"
1402-4700八联排管是一款专为PCR实验优化的耗材，核心设计围绕“精准、便捷、安全"展开：
- 品名：0.2 ml PCR 8-tube FLEX-FREE strip attached clear flat caps natural 八联排无核酸酶薄壁PCR管(0.2ml)
- 结构设计：采用经典8联排条带设计，每条包含8个独立0.2ml PCR管，管体与平盖通过“FLEX-FREE"弹性连接，既保证运输时的稳定性，又支持单手轻松掰取单管，避免传统连盖管“暴力拆条"的麻烦。
- 材质与工艺：管体采用医疗级聚丙烯（PP）材质，经伽马射线辐照灭菌及无核酸酶处理工艺，确保无DNase/RNase残留（第三方检测报告验证）；透明平盖采用相同材质，与管体紧密贴合，耐高温（-20℃~121℃），适配常规PCR热循环仪。
- 参数规格：单管容量0.2ml（±0.5%误差），管壁厚度仅0.15mm（薄壁设计），外径12mm，高度47mm，符合主流PCR仪（如ABI 7500、Bio-Rad CFX系列等）的孔板适配要求。
核心优势：为什么它是PCR实验的“优选"？
1. 无核酸酶污染风险：通过严格的去核酸酶工艺（辐照+化学处理），消除管壁残留的核酸酶，降低实验假阳性概率，尤其适用于高灵敏度实验（如qPCR、痕量DNA扩增）。
2. 薄壁设计，提升扩增效率：0.15mm超薄管壁导热更快，减少热循环仪升降温时间（实测可缩短10%-15%扩增时间），同时减少温度梯度差异，提高扩增一致性。
3. FLEX-FREE结构，操作更便捷：连排管体通过弹性连接固定，既避免运输脱落，又能单手掰取单管，无需剪刀或暴力拆分，减少耗材浪费，尤其适合高通量实验场景。
4. 透明平盖，观察与密封兼顾：平盖材质高透光，可直接观察管内反应液体积及颜色变化；同时平盖与管体紧密贴合，经压力测试（500g压力）无液体泄漏，有效防止气溶胶污染，适配自动化移液设备。
5. 全场景适配，兼容性强：无论是常规PCR、qPCR、逆转录PCR，还是基因测序、克隆验证，1402-4700八联排管均表现稳定，是实验室日常PCR实验的“万能搭档"。
常见疑问与解答
Q1：产品真的“无核酸酶"吗？如何验证？
A：是的。1402-4700八联排管采用伽马射线辐照灭菌联合无核酸酶处理工艺，出厂前经第三方检测（如Taq酶消化实验），确认无DNase/RNase残留，可提供完整质检报告。
Q2：薄壁设计会不会容易破裂？
A：不会。管体采用高韧性医疗级PP材质，虽壁厚仅0.15mm，但抗冲击性强（经-20℃低温脆化测试无破裂），可承受121℃高压灭菌（15分钟）及反复热循环，耐用性优于普通厚壁管。
Q3：透明平盖的密封性如何？会不会漏液？
A：平盖与管体通过模压工艺紧密结合，经压力测试（500g静置30分钟）无液体渗漏，且表面光滑无凹陷，可有效防止气溶胶污染，适配移液枪、自动化工作站等设备。
Q4：是否适用于所有品牌PCR仪？
A：是的。管体尺寸严格符合国际标准（直径12mm，高度47mm），兼容主流品牌热循环仪（如ABI、Bio-Rad、Eppendorf、Roche等），无需额外调整孔板适配器。
Q5：可以高温灭菌吗？灭菌后性能会变化吗？
A：支持121℃高压灭菌（15分钟），灭菌后管体无变形、无材质老化，无核酸酶活性残留，不影响后续实验性能。
Q6：与普通八联排管相比，优势在哪里？
A：普通八联排管可能存在核酸酶污染风险（未做去酶处理），且多为厚壁设计（影响扩增效率）；此外，普通连盖管拆条时易断裂，浪费耗材。1402-4700八联排管通过无酶处理、薄壁设计及FLEX-FREE结构，综合解决了这些问题。
Q7：包装规格是多少？
A：每盒含100条八联排管（即800个单管），每条独立塑封包装，方便取用和存储，避免交叉污染。
Q8：存储条件有什么要求？
A：未开封时建议常温（15-30℃）干燥保存，避免阳光直射；开封后需密封保存，建议6个月内用完，以保证最佳性能。
Q9：保质期多久？
A：未开封状态下保质期为2年（自生产日期起算），产品包装标注具体生产日期及有效期。
Q10：是否兼容qPCR染料（如SYBR Green）？
A：是的。管体材质高透明、无荧光淬灭，可清晰观察qPCR反应体系的荧光信号，适用于SYBR Green、TaqMan等主流荧光染料。
（注：本文内容基于品牌公开资料及行业常规信息整理，具体以品牌信息文档为准。）
USAscientific热卖产品
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货号 | 品名 | 规格 | 品牌 |
1402-9200 | TempPlate® Semi-Skirted 96-Well PCR Plate, Straight Skirt, 0.2 mL | 5 sleeves of 2 (10) | USAscientific |
1402-2900 | TEMPASSURE 0.2 ML PCR PULL-APART 8-TUBE STRIPS, ATTACHED INDIVIDUAL DOME CAPS | 120 strips of 8 (960 tubes/caps) per box | USAscientific |
1402-2400 | TEMPASSURE 0.2 ML PCR PULL-APART TUBE STRIPS WITH DOME CAP STRIPS | 80 strips of 12 tubes (960 tubes) | USAscientific |
2932-0110 | Cold Storage Foil | 50 sheets | USAscientific |
1180-1840 | TipOne® RPT Filter Tips | 10 racks of 96 (960) | USAscientific |
1181-3810 | 10ul TipOne RPT filter tip | Case of 960 | USAscientific |
1182-1830 | FILTER TIP ST 1000UL XL TIPONE | 10 racks of 96 (960) | USAscientific |
1180-8810 | TipOne RPT Filter Tips | 10 racks of 96 (960) | USAscientific |
1183-1810 | 20UL TIPONE RPT FLTR TIP 960PK | Pack of 960 | USAscientific |
1180-1810 | RPT 1-20UL FILTER TIP 960/CS | Case of 960 | USAscientific |
1412-0000 | 1.2 mL Tube, Individual, Non-Automation Rack | 1000/Pack | USAscientific |
1180-3810 | TIPONE® RPT FILTER TIPS | Case of 960 | USAscientific |
91886775 | USA Scientific Inc Titer-Tops film, pierceable, sterile, 50/bx | Pack of 50 | USAscientific |
1884-2410 | 0.2 mL deep 384-well PlateOne polypropylene plate, square wells, natural, individually wrapped | 40/pack | USAscientific |
1402-2300 | TEMPASSURE PCR FLEX-FREE8-TUBE STRIPS，ATTACHEDINDIVIDUAL OPTICAL CAPS | 0.1ml | USAscientific |
2381-5048 | 81-place color-coded box, clear lid, mixed colors | Pack of 5 | USAscientific |
1111-3240 | TIPONE® PIPETTE TIP STACKS，10 µL natural graduated | 10 stacks (9600 tips) | USAscientific |
1111-0200 | TIPONE PIPETTE TIPSTACKS ，200 µL natural | 1 stack (960 tips) | USAscientific |
1111-3200 | TIPONE PIPETTE TIPSTACKS， 10 µL natural graduated | 1 stack (960 tips) | USAscientific |
1212-8000 | 1.1 ml tubes in strips of 8, natural, polypropylene, bulk, 120 strips （960 tubes） | 960 tubes | USAscientific |
1412-8410 | 1.2 ML DILUTION TUBES IN STRIPS OF 8 | RACK (10 RACKS OF 96) | USAscientific |
1415-2500 | 1.5 ML COPOLYMERMICROCENTRIFUGE TUBE | 500/bag | USAscientific |
2920-0000 | Microplate Adhesive Film | 100 sheets/box | USAscientific |
2344-1000 | TOTALLY TUBUL AR RACK SYSTEM | 1set | USAscientific |
9124-0100 | CoolSafe Block 96 wells Chamber | 0.2 mL/96-well PCR | USAscientific |
1420-9701 | SCREW CAP MICROCENTRIFUGE TUBES, SELF-STANDING | ea | USAscientific |
1183-1740 | TIPONE RPT FILTER TIP REFILLS | 100ul | USAscientific |
1412-1000 | 1.2 ml tube | 1000 个/包 | USAscientific |
1402-4708 | TEMPASSURE PCR FLEX-FREE 8-TUBE STRIPS, ATTACHED INDIVIDUAL OPTICAL CAPS | ea | USAscientific |
2380-1008 | 80-place tube rack, mixed colors, PP, 7 racks | 7 racks | USAscientific |
9187-1708 | USA Scientific Inc Cryo-Babies, 1.28 inch x 0.5 inch, assorted colors, on sheets | 85/sheet, 1700/box | USAscientific |
1122-1760 | TipOne 1000 μl XL graduated, refill, 40 cassettes of 96 tips | 96tips | USAscientific |
1120-8780 | TipOne 200 μl graduated filter tip refill 8-unit case, sterile, 7680 tips | 7680tips | USAscientific |
1120-1760 | TipOne 100 μl filter tip refill 8-unit case, sterile, 7680 tips | 7680tips | USAscientific |
1120-1880 | TipOne 20 μl filter tip 8-unit case, sterile, 7680 tips | 7680tips | USAscientific |
1121-3880 | TipOne 10 μl filter tip 8-unit case, sterile, 7680 tips | 7680tips | USAscientific |
1420-9710 | 2.0 Self standing Microcentrifuge tube, 500/pack Sterile | 500/pack | USAscientific |
1075-0110 | 5mL serological pipette | 200.pack | USAscientific |
1420-9410 | TETHERED SCREW CAP MICROCENTRIFUGE TUBES, SELF-STANDING | 100/pack | USAscientific |
9123-6100 | Breathe-Easy film, sterile | ea | USAscientific |
2998-6550 | LIGHT REFLECTING FILM | 50/box | USAscientific |
1405-4707 | 0.5 ml screw cap tube amber | 500/pack | USAscientific |
1420-9709 | 2.0 ml self-standing screw cap tube, black | 500/pack | USAscientific |
1475-0511 | 15mL Conical Tubes | 500 pack | USAscientific |
1071-0810 | 10 ml serological pipet, sterile | 100pack | USAscientific |
1620-2700 | SEAL-RITE® 2.0 ML MICROCENTRIFUGE TUBES | 500/pack | USAscientific |
1500-1211 | 50 ml conical screw cap tubes | 25 bags of 20 | USAscientific |
1420-9700 | 2.0 ml self-standing microcentrifuge tube, graduated, natural with natural cap | 500/pack | USAscientific |
1111-2820 | TipOne® Natural, Graduated, Racked Pipette Tips, 101-1001ul | 960 tips | USAscientific |
1402-3900 | TEMPASSURE PCR PULL-APART 8-TUBE STRIPS, ATTACHED INDIVIDUAL OPTICAL CAPS | 120 strips of 8 (960 tubes/caps) per box | USAscientific |
9138-2750 | Direct Thermal Cryo-Tags®，SIZE: 1.5" × 0.5"，COLOR: White | ea | USAscientific |
2920-0010 | MICROPLATE SEALING FILM Standard cut, sterile | 100 sheets | USAscientific |
9187-2016 | TOUGH-TAGS LABELS ON SHEETS | SIZE: 1.28" × 0.5" White | USAscientific |
9185-2000 | TOUGH-SPOTS LABELS ON SHEETS | SIZE: 1/2" diameter，White | USAscientific |
1111-2021 | 1000 µL blue graduated | 1000 tips/bag | USAscientific |
2530-1102 | Thermal-Lok 2-Position Dry Heat Bath, Includes 2 Blocks | 2 Blocks | USAscientific |
1833-9600 | PLATEONE:emoji: 96-WELL POLYPROPYLENE PLATE | Conical (V) Non-sterile | USAscientific |
1306-2510 | CHANNELMATE RESERVOIR SYSTEM | 25ml | USAscientific |
2939-6100 | SINGLE TAB SEALING FOIL, INSET CUT | 100/box | USAscientific |
1420-9799 | 2.0 ml self-standing screw cap tube, mixed color caps | 500/pack | USAscientific |
1011-8000 | 200 μL LARGE ORIFICE TIP | 1000 tips/bag | USAscientific |
1111-0240 | TIPONE PIPETTE TIP STACKS (200 uL natural) | 10 stacks (9600 tips) | USAscientific |
3823-3412（ Non-sterile） | 12-WELL V-BOTTOM RESERVOIR；3ml | Non-sterile 50/pack | USAscientific |
1110-1240 | 1-200ul tip racks (5 stacks, no filter) Natural； 10 stacks (9600 tips) | 10*5 stacks (9600 tips) | USAscientific |
1111-0246 | 1-200ul tip racks (5 stacks, no filter)Yellow； 10 stacks (9600 tips) | 10*5 stacks (9600 tips) | USAscientific |
3823-3512 | 12-WELL V-BOTTOM RESERVOIR | 20/pack | USAscientific |
3823-3412 | 12-WELL V-BOTTOM RESERVOIR（） | 20/pack | USAscientific |
1061-8150 | 12-CHANNEL RESERVOIR FOR AUTOMATION | 5/pack | USAscientific |
1615-5500 | SEAL-RITE® 1.5 ML MICROCENTRIFUGE TUBES | 500/bag | USAscientific |
1111-0206 | TIPONE PIPETTE TIPS IN RACKS | 10 racks of 96 (960) | USAscientific |
1111-2821 | TIPONE PIPETTE TIPS IN RACKS | 10 racks of 96 (960) | USAscientific |
1126-7810 | TIPONE FILTER TIPS | 10PACKS OF 96(960) | USAscientific |
1120-8810 | TIPONE FILTER TIPS | 10PACKS OF 96(960) | USAscientific |
1121-3810 | TIPONE FILTER TIPS | 10uL | USAscientific |
1022-0600 | 200 μL GEL-SAVER® ROUND GEL LOADING TIP | 5 racks of 204 | USAscientific |
1011-8410 | 200 μL LARGE ORIFICE TIP sterile | 10 racks of 96 (960) | USAscientific |
2512-0000 | THERMAL-LOK BLOCK FOR 15 ML TUBES | 15 ML TUBES | USAscientific |
2510-1102 | Thermal-Lok 2-Position Dry Heat Bath (Without Blocks) | ea | USAscientific |
2923-0110 | TempPlate® Sealing Foil | 50sheets/box | USAscientific |
2920-1010 | MICROPOROUS FILM | 50/box | USAscientific |
2923-5000 | NAL-96 PIERCEABLE FILM | 50 sheets/box | USAscientific |
1301-1212 | Twelve well reservoir with lid, individually wrapped, sterile, 20/pack. | 20/pack | USAscientific |
1111-1200 | TIPONE PIPETTE TIP STACKS | 960 tips | USAscientific |
9152-2200 | LABELING TAPE, 0.75IN WIDE | 2160 inch | USAscientific |
1111-2721 | TIPONE PIPETTE TIP REFILLS，1000 μL blue graduated | 10 wafers of 96 (960) | USAscientific |
1111-0706 | TIPONE PIPETTE TIP REFILLS，200 μL yellow | 10 wafers of 96 (960) | USAscientific |
1111-0506 | TIPONE PIPETTE TIP STARTER SYSTEMS | 200 uL yellow | USAscientific |
1111-2521 | TIPONE PIPETTE TIP STARTER SYSTEMS | 1000 uL blue graduated | USAscientific |
1110-3700 | TIPONE PIPETTE TIP REFILLS，10 μL XL natural graduated | 10 wafers of 96 (960) | USAscientific |
1110-3500 | TipOne Pipette Tip Starter Systems | 10 uL XL natural graduated | USAscientific |
1111-3500 | TipOne Pipette Tip Starter Systems | 10 uL natural graduated | USAscientific |
7400-2401 | Glass disruptor beads, 0.1 mm diameter, Scientific Industries SI-BG01 | each | USAscientific |
1420-9707 | SCREW CAP MICROCENTRIFUGE TUBES, SELF-STANDING, AMBER（2.0 ml棕色tube） | 500 tubes | USAscientific |
1605-0002 | Green SEAL-RITE® 0.5 ML MICROCENTRIFUGE TUBES | 1000/pack | USAscientific |
1605-0006 | Yellow SEAL-RITE® 0.5 ML MICROCENTRIFUGE TUBES | 1000/pack | USAscientific |
1605-0007 | Amber SEAL-RITE® 0.5 ML MICROCENTRIFUGE TUBES | 1000/pack | USAscientific |
1405-2600 | 0.5 ml low adhesion microcentrifuge tube, natural | 500/bag | USAscientific |
1415-2600 | 1.5 ml low adhesion microcentrifuge tube, natural 无核酸酶非粘性1.5ml试管 | bag of 500 | USAscientific |
1405-9707 | 0.5 ml self-standing screw cap tube amber | 500/pack | USAscientific |
1402-4700 | 0.2 ml PCR 8-tube FLEX-FREE strip attached clear flat caps natural 八联排无核酸酶薄壁PCR管(0.2ml) | 盒 | USAscientific |
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