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Description
Rat IL18-BP ELISA KitProduct Specification Usage Experimental equipment required for the experiment: 1. Microplate reader (450nm) 2. High precision pipette and gun tips: 0. 5 10uL, 5 50uL, 20 200uL, 200 1000uL 3. 37 constant temperature box 4. Distilled water or deionized water Sample processing and requirements: 1. Serum: Place the whole blood sample collected in the serum separation tube at room temperature for 2 hours or at 4 overnight, then centrifuge at 1000g for 20
Product Specification
| Usage |
Experimental equipment required for the experiment: 1. Microplate reader (450nm) 2. High-precision pipette and gun tips: 0.5-10uL, 5-50uL, 20-200uL, 200-1000uL 3. 37℃ constant temperature box 4. Distilled water or deionized water Sample processing and requirements: 1. Serum: Place the whole blood sample collected in the serum separation tube at room temperature for 2 hours or at 4℃ overnight, then centrifuge at 1000×g for 20 minutes, and take the supernatant, or store the supernatant at -20℃ or -80℃, but avoid repeated freezing and thawing. 2. Plasma: Collect the specimen using EDTA or heparin as an anticoagulant. Centrifuge the specimen at 1000 × g for 15 minutes at 2-8°C within 30 minutes of collection. The supernatant can be assayed or stored at -20°C or -80°C, but avoid repeated freezing and thawing. 3. Tissue homogenization: Rinse the tissue with pre-chilled PBS (0.01M, pH 7.4) to remove residual blood (lysed red blood cells in the homogenate will affect the measurement results). Weigh the tissue and mince it. Add the minced tissue to the appropriate volume of PBS (generally a 1:9 weight-to-volume ratio, e.g., 1 g of tissue sample to 9 mL of PBS. The specific volume can be adjusted according to experimental needs and recorded. It is recommended to add protease inhibitors to the PBS) in a glass homogenizer and grind thoroughly on ice. To further lyse tissue cells, the homogenate can be sonicated or repeatedly frozen and thawed. Finally, centrifuge the homogenate at 5000 × g for 5-10 minutes, and the supernatant can be assayed. 4. Other biological fluids: Centrifuge at 1000xg for 20 minutes, remove the supernatant, and test. Pre-test preparation: 1. Remove the test kit from the refrigerator 10 minutes in advance and equilibrate to room temperature. 2. Prepare the standard gradient working solution: Add 1 mL of universal diluent to the lyophilized standard, let it stand for 15 minutes to completely dissolve, then gently mix (concentration is 40 ng/mL). Then dilute to the following concentrations: 40 ng/mL, 20 ng/mL, 10 ng/mL, 5 ng/mL, 2.5 ng/mL, 1.25 ng/mL, 0.625 ng/mL, and 0 ng/mL. Serial dilution method: Take 7 EP tubes and add 500 μL of universal diluent to each tube. Pipette 500 μL of the 40 ng/mL standard working solution into the first EP tube and mix thoroughly to make a 20 ng/mL standard working solution. Repeat this procedure for subsequent tubes. The last tube serves directly as a blank well; there is no need to aspirate the liquid from the penultimate tube. See the figure below for details. 3. Preparation of Biotinylated Antibody Working Solution: 15 minutes before use, centrifuge the concentrated biotinylated antibody at 1000×g for 1 minute. Dilute the 100× concentrated biotinylated antibody to a 1× working concentration using universal diluent (e.g., 10µL concentrate + 990µL universal diluent). Prepare immediately before use. 4. Prepare the enzyme conjugate working solution: 15 minutes before use, centrifuge the 100× concentrated enzyme conjugate at 1000×g for 1 minute. Dilute the 100× concentrated HRP enzyme conjugate to a 1× working concentration with universal diluent (e.g., 10 μL of concentrate + 990 μL of universal diluent). Prepare immediately. 5. Prepare the 1× wash solution: Dispense 10 mL of 20× wash solution into 190 mL of distilled water (concentrated wash solution removed from the refrigerator may crystallize; this is normal. Allow to stand at room temperature until the crystals have completely dissolved before preparing). Procedure: 1. Remove the desired strips from the aluminum foil bag after equilibration at room temperature for 10 minutes. Seal the remaining strips in a ziplock bag and return to 4°C. 2. Sample addition: Add 100 μL of sample or standard of varying concentrations to the corresponding wells. Add 100 μL of universal diluent to the blank wells. Cover with a film and incubate at 37°C for 60 minutes. (Recommendation: Dilute the sample to be tested at least 1-fold with universal diluent before adding it to the ELISA plate. This will reduce the impact of matrix effects on the test results. The sample concentration should be multiplied by the corresponding dilution factor when calculating the final sample concentration. It is recommended to run replicates for all test samples and standards.) 3. Add Biotinylated Antibody: Remove the ELISA plate and discard the liquid without washing. Add 100 μL of Biotinylated Antibody Working Solution directly to each well. Cover with a film and incubate at 37°C for 60 minutes. 4. Wash: Discard the liquid and add 300 μL of 1x Wash Solution to each well. Let stand for 1 minute, shake off the wash solution, and pat dry on absorbent paper. Repeat this process three times (a plate washer can also be used). 5. Add Enzyme Conjugate Working Solution: Add 100 μL of Enzyme Conjugate Working Solution to each well. Cover with a film and incubate at 37°C for 30 minutes. 6. Washing: Discard the liquid and wash the plate five times as in step 4. 7. Adding substrate: Add 90 μL of substrate (TMB) to each well, cover with a sealing film, and incubate at 37°C in the dark for 15 minutes. 8. Adding stop solution: Remove the ELISA plate and add 50 μL of stop solution directly to each well. Immediately measure the OD value of each well at a wavelength of 450 nm. Calculating experimental results: 1. Calculate the average OD value of the standard and sample replicates and subtract the OD value of the blank well as a correction factor. Plot the standard curve of the four-parameter logistic function on double-logarithmic graph paper, with concentration as the horizontal axis and OD value as the vertical axis. 2. If the sample OD value is higher than the upper limit of the standard curve, dilute the sample appropriately and retest. Multiply the sample concentration by the corresponding dilution factor. |
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| Theory | This kit utilizes a double-antibody sandwich enzyme-linked immunosorbent assay (ELISA). Sample, standard, biotinylated detection antibody, and HRP conjugate are sequentially added to microwells pre-coated with Interleukin 18 Binding Protein (IL18-BP) capture antibody. After incubation and washing, the sample is developed using the substrate TMB. TMB is converted to blue by peroxidase (HRP) catalysis and to yellow by acid. The intensity of the color is positively correlated with the amount of Interleukin 18 Binding Protein (IL18-BP) in the sample. The absorbance (OD) is measured at 450 nm using a microplate reader to calculate the sample concentration. | |||||||||||||||||||||||||||||||||
| Source | Rat | |||||||||||||||||||||||||||||||||
| Synonym | Rat Interleukin 18 Binding Protein ELISA Kit | |||||||||||||||||||||||||||||||||
| Detection Type | Double antibody sandwich method | |||||||||||||||||||||||||||||||||
| Composition |
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| Background | Interleukin-18 binding protein (IL18BP) is a protein encoded by the IL18BP gene. This gene encodes an inhibitor of the proinflammatory cytokine IL-18. This protein binds to IL-18, preventing it from binding to its receptor, thereby inhibiting IL-18-induced IFN-gamma production. This protein is constitutively expressed and secreted in monocytes. Its expression can be enhanced by IFN-gamma. | |||||||||||||||||||||||||||||||||
| General Notes | 1. Strictly adhere to the specified incubation time and temperature to ensure accurate results. All reagents must be at room temperature (20-25°C) before use. Refrigerate reagents immediately after use. 2. Improper plate washing may result in inaccurate results. Ensure that all liquid in the wells is aspirated thoroughly before adding substrate. Do not allow the wells to dry out during incubation. 3. Remove any residual liquid and fingerprints from the bottom of the plate, as this will affect the OD value. 4. The substrate developer solution should be colorless or very light in color. Do not use substrate solution that has turned blue. 5. Avoid cross-contamination of reagents and specimens to prevent erroneous results. 6. Avoid direct exposure to strong light during storage and incubation. 7. Do not expose any reagents to bleaching solvents or the strong fumes emitted by bleaching solvents. Any bleaching agent will destroy the biological activity of the reagents in the kit. 8. Do not use expired products, and do not mix components with different product numbers and batches. 9. Recombinant proteins from sources other than the kit may not be compatible with the antibodies in this kit and will not be recognized. 10. If there is a possibility of disease transmission, all samples should be managed properly and samples and testing devices should be handled according to prescribed procedures. |
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| Storage Temp. | If the unopened kit is stored at 4°C, the shelf life is 6 months. | |||||||||||||||||||||||||||||||||
| Test Range | 0.62-40 ng/mL | |||||||||||||||||||||||||||||||||
| Applications | Serum, plasma, tissue homogenates and other biological fluids |
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4.5 ★★★★★
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Product Reviews
★★★★★ 5
Best vanilla body wash I've seen
Proper vanilla scent with a kick, without the vomit inducing synthetic aftertaste
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
★★★★★ 5
Cremo Bourbon & Oak 2-in-1: A Gentleman's Shower Staple
Scent: Bourbon & Oak, Size: 16 Fl Oz (Pack of 1)
The Cremo Bourbon & Oak 2-in-1 Shampoo & Conditioner isn't just a cleaning product; it's an experience. In a world of sterile, generic men's grooming, Cremo consistently delivers a distinctive, high-quality product that feels far more premium than its price tag suggests. If you're looking to elevate your daily shower ritual, this is the bottle to grab.
The Scent: Unmistakable Sophistication
The most immediate and defining characteristic of this product is, without a doubt, its Bourbon & Oak fragrance. It masterfully blends warm, slightly sweet notes of aged oak and barrel-aged bourbon with a subtle, earthy musk.
Projection: The scent is robust in the shower, creating a satisfying, rich steam, but it quickly settles down. It leaves a subtle, masculine residual scent on your hair that lasts for hours without overpowering cologne. It smells authentic—like a high-end barbershop mixed with a cozy speakeasy.
Aroma Profile: Unlike many cheap fragrances that smell synthetic, the Cremo scent is layered and complex, avoiding that cloying sweetness that can plague other vanilla or wood-based products.
Performance: The Best of Both Worlds
When it comes to 2-in-1 products, there's always a risk of compromise—great cleaning, poor conditioning, or vice versa. Cremo successfully sidesteps this pitfall.
Cleansing Power: The shampoo produces a rich, satisfying lather that effectively cuts through product buildup and oil without stripping the hair of its natural moisture. It leaves the scalp feeling invigorated and genuinely clean.
Conditioning Efficacy: This is where the product truly shines. After rinsing, the hair feels surprisingly soft and manageable. For men with shorter to medium-length hair, the built-in conditioner provides enough hydration to prevent that stiff, straw-like feeling that often follows a wash. It makes combing and styling noticeably easier.
Formula: It’s formulated to rinse clean with no residue, which is essential for a product designed for daily use.
The Verdict
The Cremo Bourbon & Oak 2-in1 is an exceptional offering that delivers on its promises. It is the gold standard for men who want a convenient, high-performing 2-in-1 without sacrificing the luxury of a refined scent.
Final Recommendation: Buy it. This is an easy replacement for whatever generic shampoo you currently have in your shower. It’s an effortless way to upgrade your routine and start your day with a confidence-boosting aroma.
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Reviewed in the United States on October 10, 2025
★★★★★ 5
5/5
Scent: Palo Santo, Size: 16 Fl Oz (Pack of 1)
absolutely love the Palo Santo Chemo Body Wash by Cremo. The scent is warm, woodsy, and slightly sweet without being overpowering. It smells clean but elevated — like a subtle, high-end cologne that lingers just enough after you shower.
The lather is rich and creamy, and a small amount goes a long way. It leaves my skin feeling clean and moisturized without that tight, dry feeling some body washes cause. The fragrance lasts for hours, which I appreciate because it layers well with other products.
If you like warm, earthy scents with depth, this is a must-try. I will definitely be repurchasing!
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Reviewed in the United States on February 24, 2026
★★★★★ 5
Nice body care need not cost a fortune.
Scent: Palo Santo, Size: 16 Fl Oz (Pack of 1)
The Cremo product line is a favorite and Palo Santo is one that tops the list for us. We like the Cremo body care line's execution, variety, quality, anti- elitist price and inclusive availability. Palo Santo is softly sweet with just enough cardamom spice and papyrus for a round, smooth aroma with no sharp edges to annoy those around you. Just enough of the Cremo body wash frangrance lingers to keep you feeling fresh all day. This product lathers nicely and is neither too heavy nor too thin to use with a traditional wash cloth, loofah, natural or synthetic sponge, pouf or bath brush. Cremo body wash makes a nice foot soak and hand wash too. We fill a bottle to keep by the kitchen and bathroom sinks. Our wish is that the company produces large, minimally packaged refills to spare the plastic. Until then, please reuse and / or recycle the containers. NOTE: When selecting fragrance, ignore marketing and wear what appeals to you. Treat gender, age, price category snobbery and other target market gimmicks as irrelevant. Wear / use what you like, and not because it is purported to be "exclusive", someone told you to or that you cannot possibly be cool / alluring / beautiful / handsome or appear wealthy or celebrity-adjacent without it.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Add to Cart ❤️
Scent: Bourbon & Oak, Size: 16 Fl Oz (Pack of 1)
The scent is incredible — warm, slightly sweet bourbon with a rich oak finish. It smells high-end without being overpowering. It lingers just enough to notice but doesn’t clash with cologne.
Performance-wise, it delivers. It cleans thoroughly without stripping and leaves hair soft and manageable instead of dry or heavy. For a 2-in-1, it actually conditions well — which isn’t always the case with combo products.
I originally bought it as part of a gift set for my father, and he’s since had me repurchase it four times — so that says everything.
If you like warm, masculine, slightly woody scents and want something that performs as good as it smells, this one truly hits the ball on the head. Definitely a repeat buy.
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Reviewed in the United States on February 28, 2026
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