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Imagequant las 4000 mini molecular imaging system

Manufactured by GE Healthcare
Sourced in United States

The ImageQuant LAS 4000 mini Molecular Imaging System is a compact, high-performance imaging device designed for life science research applications. It utilizes a charge-coupled device (CCD) camera and multiple excitation light sources to capture and analyze images of various molecular samples, such as fluorescent proteins, chemiluminescent blots, and radioisotope-labeled samples.

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3 protocols using imagequant las 4000 mini molecular imaging system

1

Western Blot Analysis of GABA Receptors

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Protein samples from cultured HEK-293T cells were separated using sodium dodecyl sulfate–polyacrylamide gel electrophoresis and transferred to polyvinylidene difluoride filters. The filters were incubated overnight at 4 °C with appropriate antibodies. Secondary antibodies conjugated to horseradish peroxidase were added to the filters and then visualized in the enhanced chemiluminescence solution (Thermo Scientific, USA). The visualization was performed via the ImageQuant LAS 4000 mini Molecular Imaging System (GE Healthcare Life Sciences, USA), and the Image J software (NIH, USA) was used for the analysis of band intensity. The antibodies used were as follows: β-actin (1:1000; Chemicon, Cat # MAB1501), FLAG (1:4000; Sigma-Aldrich/Merck Millipore, Cat # F1804), GABAAR-α5 (1: 1000; Chemicon, Cat # AB9678), and GABAAR-γ2 (1:100; Santa Cruz, Cat # sc-101963).
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2

Western Blot Analysis of Protein Samples

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Protein samples from cell pellet, mouse brain, or purified PSD were separated by SDS–polyacrylamide gel electrophoresis and transferred to polyvinylidene difluoride filters. The filters were incubated overnight at 4°C with appropriate antibodies. After washing the primary antibodies, secondary antibodies conjugated with horseradish peroxidase were added to the filters, washed, and then visualized in enhanced chemiluminescence solution. The visualization was performed via the ImageQuant LAS 4000 mini Molecular Imaging System (GE Healthcare Life Sciences), and the ImageJ software (National Institutes of Health) was used for the analysis of optic density. The experiments were repeated for three to six times per group.
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3

Quantifying Brain Region-Specific Protein Profiles

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Protein samples from different regions of mouse brain, including insular cortex and other areas, were separated by SDS–polyacrylamide gel electrophoresis and transferred to polyvinylidene difluoride filters. The filters were incubated overnight at 4 °C with appropriate antibodies. Secondary antibodies conjugated to horseradish peroxidase were added to the filters and then visualized in ECL solution. The visualization was performed via the ImageQuant LAS 4000 mini Molecular Imaging System (GE Healthcare Life Sciences), and the Image J software (NIH) was used for the analysis of band intensity. Antibodies used were as follows: ASIC1a (1:500; Santa Cruz, sc-13905), β-actin (1:1,000; Chemicon, Cat # MAB1501), GAPDH (1:1,000; KangChen, Cat # KC-5G4), GluA1 (1:1,000; Epitomics, Cat # 3861-1), GluA2 (1:1,000; Epitomics, Cat # 3520-1), GluN1 (1:1,000; R&D Systems, Cat # PPS011B), GluN2A (1:1,000; Millipore, Cat # 07-632), GluN2B (1:1,000; Millipore, Cat # MAB5220), PSD-95 (1:1,000; Epitomics, Cat # 2366-1), pGSK3β-Ser9/pGSK3α-Ser21 (1:1,000; Cell Signaling Technology, Cat # 8566) and GSK3β (1:1,000; Cell Signaling Technology, Cat # 12456).
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