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Molecular imager chemido xrs system

Manufactured by Bio-Rad
Sourced in United States

The Molecular Imager ChemiDo XRS System is a high-performance imaging system designed for chemiluminescent and fluorescent applications in molecular biology and biochemistry. It features a high-resolution camera, adjustable lighting, and data analysis software to capture and analyze images of protein gels, Western blots, and other molecular assays.

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3 protocols using molecular imager chemido xrs system

1

Western Blot Analysis of EDNRA Protein

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Whole-cell lysates were prepared by resuspending cells in RIPA buffer containing 5× cOmplete Mini Protease Inhibitor Cocktail (Sigma) and homogenised with a 19-gauge syringe. Equal amounts of protein samples were boiled in Laemmli buffer, resolved by a Mini-PROTEAN TGX Precast Gel (Bio-Rad), transferred to a nitrocellulose membrane by a Trans-Blot Turbo Transfer System (Bio-Rad), incubated with primary antibodies against EDNRA (Abcam; ab117521; 1:2500 dilution; 48 kDa and glycosylated EDNRA 60–90 kDa47 (link)) and ACTB (Cell Signalling; #8457; 1:1000 dilution; 45 kDa), and subsequently a goat anti-rabbit horseradish peroxidase secondary antibody (Pierce; 1:1000 dilution). The membrane was incubated with SuperSignal West Femto Maximum Sensitivity Substrate (Thermo Scientific) before being imaged with a Molecular Imager ChemiDo XRS+System (Bio-Rad).
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2

Western Blot Analysis of Protein Expressions

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Whole body (50), midgut (50) and salivary gland (100) samples of adults (female / male ratio = 1:1) were collected and lysed with TRIzol reagent (ThermoFisher, USA) or Cell Lysis reagent (Beyotime, China) for protein extraction according to the manufacturer’s protocols. After adding 6× SDS loading buffer, 50 μg protein samples were boiled for 10 min. The proteins were separated by 8–12% SDS-PAGE and transferred onto PVDF membranes. Blots were probed with the following antibodies: anti-LsTUB (1:1000 dilution), anti-RSV CP (1:1000 dilution), anti-RSV NS3 (1:500 dilution), or anti-GAPDH (1:2000 dilution). Immuno-reactive bands were detected using a goat anti-rabbit/goat anti-mouse IgG-conjugated HRP antibody and a goat anti-mouse IgG-conjugated HRP antibody (Proteintech, USA) at a 1:5000 dilution. Western blots were imaged with a Chemiluminescence Detection Kit (Bio-Rad, Hercules, CA, USA) and the Molecular Imager ChemiDo XRS System (Bio-Rad). Triplicate samples were performed for each experiment and the relative intensities of protein expressions were calculated using Image lab 5.2.1 software (Bio-Rad).
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3

Protein Extraction and Western Blot Analysis

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Total protein was extracted from SPBHs according to our published protocol with minor modifications (Liu et al., 2015 (link)): 0.02 g of SBPH was ground in liquid nitrogen to powder and 200 μl of 50 mM Tris‐HCl was added. After vortexing and vertical shaking for 1 hr at 4 ℃, the mixture was centrifuged at 4 ℃ for 20 min. Then we took 80 μl of supernatant and mixed with 20 μl of 5× sodium dodecyl sulphate (SDS) loading buffer, then subsequently boiled the mixture for 10 min. The denatured proteins were separated by 4%–12% SDS‐polyacrylamide gel electrophoresis (PAGE) and transferred onto polyvinylidene fluoride (PVDF) membranes (GE Healthcare Life Sciences) by electrophoresis at 150 mA for 2 hr. Proteins were then probed with anti‐RBSDV P10 (1:2,500 dilution) or anti‐actin (1:4,000 dilution, 66,008; Proteintech). Immunoreactive bands were detected using a goat anti‐mouse IgG‐conjugated horseradish peroxidase antibody (5220‐0341; SeraCare) at 1:5,000 dilution. Western blots were imaged with a Super ECL Western Blotting Detection Kit (YTHX) and Molecular Imager ChemiDo XRS System (Bio‐Rad). Each western blot was repeated three times.
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