本产品是一种创新性的多功能抗体孵育工作液，专为Western Blot实验设计。它集成了快速反应增强、背景抑制和蛋白稳定功能，可直接用于一抗和二抗的稀释与孵育，完全省去独立的封闭步骤。核心特点是允许用户在室温下仅孵育1小时，即可获得与传统稀释液4°C过夜孵育同等甚至更优的检测信号与信噪比，同时保持对传统过夜孵育方式的完全兼容性，为实验者提供了极大的灵活性和效率提升。
产品原理：
本孵育液的基础是优化的生理相容性缓冲体系，并添加了以下关键组分：
反应增强剂：促进抗体与抗原的特异性结合，大幅缩短达到平衡结合所需的时间。
多功能背景抑制剂：在抗体孵育过程中同步、动态地占据膜上的非特异性位点，实现“孵育即封闭”的效果，有效降低背景。
稳定保护剂：保持抗体活性和抗原表位的稳定性，确保快速孵育条件下的反应效率。
核心优势：
1. 极速高效：室温1小时完成一抗孵育，比常规过夜（12-16小时）节省超过90%的时间。
2. 效果卓越：专有配方确保快速结合与低背景，实验结果在信号强度、特异性和条带清晰度上均达到或超越常规过夜孵育水平。
3. 一步简化：免去独立的封闭步骤，将封闭、一抗孵育、二抗孵育三步简化为两步，缩短总流程2-3小时，减少操作误差。
4. 灵活兼容：完美兼容传统实验习惯，可根据样本需求自由选择室温快速孵育（1小时）或4°C过夜孵育。
5. 经济通用：适用于所有基于膜（PVDF、NC膜）的WesternBlot实验，兼容小鼠、兔、山羊等多种来源的一抗/二抗。
实验所需材料：
*配胶及电泳全套
*已转印蛋白的PVDF膜或NC膜
*待检测的一抗
*对应的HRP（或其它荧光）标记的二抗
*TBST或PBST洗涤液
*摇床（室温及4°C）
*显影/成像系统
实验步骤：
注意：以下步骤以PVDF膜为例。若使用NC膜，可省去甲醇活化步骤。
第一步：转膜
PVDF膜经甲醇激活，滤纸、海绵与凝胶在转膜缓冲液中平衡。按阴极至阳极顺序：海绵→滤纸→凝胶→膜→滤纸→海绵，逐层排尽气泡，根据实验室条件进行转膜。可丽春红染色评估效率，TBST漂洗备用。
第二步：一抗孵育（免封闭）
请根据实验需求选择以下任一方案：
【方案A：快速孵育法】（推荐用于大多数蛋白）
1、将膜完全浸入足量的一抗工作液中（确保完全覆盖）。
2、置于室温摇床上，以中速振荡孵育60分钟。
【方案B：常规过夜孵育法】（推荐用于极低丰度蛋白）
1、同上配制一抗工作液。
2、将膜浸入一抗工作液。
3、置于4°C冷库或冰箱内，在摇床上低速振荡孵育过夜（12-16小时）。
提示：孵育后的一抗工作液可回收，于4°C保存并重复使用2-3次（效果可能轻微减弱）。
第三步：洗涤
将膜从一抗工作液中取出，放入足量TBST中。在摇床上快速洗涤3次，每次5分钟。
第四步：二抗孵育（免封闭）
1、使用本孵育液，按照二抗说明书推荐的稀释比例（通常为1:5000至1:20000）稀释HRP标记的二抗，配制二抗工作液。
2、将洗涤后的膜浸入二抗工作液中。
3、置于室温摇床上，以中速振荡孵育30分钟。
第五步：最终洗涤与检测
1、将膜从二抗工作液中取出，放入足量TBST中。在摇床上洗涤3次，每次5分钟。
2、按照所选显影底物（ECL化学发光液等）的说明书进行后续显影/成像操作。
建议与注意事项：
1、抗体稀释：初次使用建议从抗体说明书推荐的常规稀释度开始，后续可根据信号强弱调整。
2、进行优化：快速孵育法有时可采用稍低的稀释度（如降低1.5-2倍）以增强信号。
3、低丰度蛋白：对于表达量极低的靶蛋白，如果快速法信号偏弱，优先尝试改用4°C过夜孵育，其次再考虑增加一抗浓度。
4、膜的选择：本产品对PVDF膜和NC膜均适用。PVDF膜具有更高的蛋白结合容量和机械强度，为通用推荐。
This product is an innovative multifunctional antibody incubation working solution specially designed for Western Blot experiments. It integrates the functions of rapid reaction enhancement, background suppression and protein stabilization, and can be directly used for the dilution and incubation of primary and secondary antibodies, completely eliminating the independent blocking step. Its core feature allows users to complete incubation in only 1 hour at room temperature, obtaining detection signals and signal-to-noise ratio equivalent to or even better than those achieved with traditional diluents incubated overnight at 4°C. Meanwhile, it is fully compatible with the traditional overnight incubation method, greatly improving experimental flexibility and efficiency for researchers.
Product Principle:
This incubation solution is based on an optimized physiologically compatible buffer system, supplemented with the following key components:
Reaction Enhancer: Promotes the specific binding of antibodies to antigens and significantly shortens the time required for binding equilibrium.
Multifunctional Background Inhibitor: Occupies non-specific sites on the membrane synchronously and dynamically during antibody incubation, achieving the effect of blocking during incubation and effectively reducing background noise.
Stabilizing Protective Agent: Maintains the activity of antibodies and the stability of antigen epitopes, ensuring reaction efficiency under rapid incubation conditions.
Core Advantages:
1. Ultra-fast & High-efficiency: Complete primary antibody incubation in 1 hour at room temperature, saving over 90% of the time compared with the conventional overnight incubation (12–16 hours).
2. Superior Performance: The proprietary formula ensures rapid specific binding and low background. Experimental results meet or exceed the level of conventional overnight incubation in terms of signal intensity, specificity and band definition.
3. One-step Simplification: Eliminates the separate blocking step. It simplifies the three procedures of blocking, primary antibody incubation and secondary antibody incubation into two steps, shortening the overall experimental process by 2–3 hours and reducing operational errors.
4. Flexible & Compatible: Fully compatible with traditional experimental routines. Users can freely choose room-temperature rapid incubation (1 hour) or 4°C overnight incubation according to sample requirements.
5. Cost-effective & Versatile: Suitable for all membrane-based Western Blot experiments (PVDF membrane, NC membrane). Compatible with primary and secondary antibodies derived from mouse, rabbit, goat and other species.
Experimental Materials Required:
*Complete set of gel casting and electrophoresis supplies
*PVDF membrane or NC membrane with transferred protein
*Primary antibody to be tested
*Corresponding HRP-labeled (or other fluorescence-labeled) secondary antibody
*TBST or PBST washing buffer
*Orbital shaker (for room temperature and 4°C use)
*Chemiluminescence imaging / developing system
Experimental Procedures:
Note: The following procedures take PVDF membrane as an example. If using an NC membrane, the methanol activation step can be omitted.
Step 1: Membrane Transfer
Activate PVDF membrane with methanol. Equilibrate filter papers, sponges and gel in transfer buffer. Arrange components in the order from cathode to anode: sponge → filter paper → gel → membrane → filter paper → sponge. Remove air bubbles completely between layers, then perform membrane transfer as per laboratory conditions. Assess transfer efficiency via Ponceau S staining, and rinse with TBST for standby use.
Step 2: Primary Antibody Incubation (No Blocking Required)
Select either of the following protocols according to experimental requirements:
Protocol A: Rapid Incubation Method (Recommended for most proteins)
1. Fully immerse the membrane in an adequate volume of primary antibody working solution to ensure complete coverage.
2. Place on a shaker at room temperature and incubate with moderate shaking for 60 minutes.
Protocol B: Conventional Overnight Incubation Method (Recommended for very low-abundance proteins)
1. Prepare the primary antibody working solution as described above.
2. Immerse the membrane in the primary antibody working solution.
3. Place in a 4°C cold room or refrigerator, and incubate overnight (12–16 hours) with low-speed shaking on a shaker.
Tip: The used primary antibody working solution can be recovered, stored at 4°C, and reused 2–3 times (with slightly reduced performance).
Step 3: Washing
Take the membrane out of the primary antibody working solution and place it in sufficient TBST. Wash rapidly on a shaker 3 times, 5 minutes each time.
Step 4: Secondary Antibody Incubation (No Blocking Required)
1. Prepare the secondary antibody working solution by diluting the HRP-conjugated secondary antibody with this incubation buffer at the dilution ratio recommended in the secondary antibody instructions (usually 1:5000 to 1:20000).
2. Immerse the washed membrane in the secondary antibody working solution.
3. Incubate on a shaker at room temperature with moderate shaking for 30 minutes.
Step 5: Final Washing and Detection
1. Take the membrane out of the secondary antibody working solution and place it in sufficient TBST. Wash on a shaker 3 times, 5 minutes each time.
2. Perform subsequent development and imaging operations according to the instructions of the selected detection substrate (such as ECL chemiluminescence solution).
Recommendations and Precautions:
1. Antibody dilution: For first-time use, it is recommended to start with the standard dilution ratio stated in the antibody instructions. The dilution ratio can be adjusted later according to signal intensity.
2. Condition optimization: For the rapid incubation protocol, a slightly lower dilution ratio (e.g., 1.5–2 times lower dilution) can sometimes be adopted to enhance signal strength.
3. Low-abundance proteins: For target proteins with extremely low expression levels, if the rapid incubation method yields weak signals, prefer switching to 4°C overnight incubation; then consider increasing the primary antibody concentration.
4. Membrane selection: This product is compatible with both PVDF and NC membranes. PVDF membrane features higher protein binding capacity and mechanical strength, and is the generally recommended choice.
ZJ26F0838630
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