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Cell Biolabs Inc colorimetric glucose assay kit
A <t>colorimetric</t> glucose assay was used to measure levels of glucose in 30 μg adult and 10 μg children's COMIRNATY™ vaccines after exposure to different temperature conditions. (A) Photograph of the plate showing an increase in glucose at 37 °C and a further increase at 45 °C. The difference in colour intensity for 37 °C and 45 °C compared to 2–8 °C storage can be observed by eye without the need for a plate reader. (B) The intensity of the colour change was also analysed using a spectrophotometer at 540 nm and the concentrations of glucose in the vaccine samples were determined based on the glucose standards. The levels of glucose in temperature-altered conditions were compared to the recommended 2–8 °C storage temperature. Error bars show the standard deviations from three measurements for each temperature point. 3× FT, three freeze-thaw cycles; RT, room temperature. Ordinary one-way ANOVA with Dunnett's multiple comparisons tests. ns, not significant; ****p < 0.001.
Colorimetric Glucose Assay Kit, supplied by Cell Biolabs Inc, used in various techniques. Bioz Stars score: 86/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/result/colorimetric glucose assay kit/product/Cell Biolabs Inc
Average 86 stars, based on 1 article reviews
colorimetric glucose assay kit - by Bioz Stars, 2026-05
86/100 stars

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1) Product Images from "Ensuring vaccine cold chain integrity: A rapid and low-cost test for identifying heat-exposed sucrose-containing vaccines"

Article Title: Ensuring vaccine cold chain integrity: A rapid and low-cost test for identifying heat-exposed sucrose-containing vaccines

Journal: International Journal of Pharmaceutics: X

doi: 10.1016/j.ijpx.2025.100467

A colorimetric glucose assay was used to measure levels of glucose in 30 μg adult and 10 μg children's COMIRNATY™ vaccines after exposure to different temperature conditions. (A) Photograph of the plate showing an increase in glucose at 37 °C and a further increase at 45 °C. The difference in colour intensity for 37 °C and 45 °C compared to 2–8 °C storage can be observed by eye without the need for a plate reader. (B) The intensity of the colour change was also analysed using a spectrophotometer at 540 nm and the concentrations of glucose in the vaccine samples were determined based on the glucose standards. The levels of glucose in temperature-altered conditions were compared to the recommended 2–8 °C storage temperature. Error bars show the standard deviations from three measurements for each temperature point. 3× FT, three freeze-thaw cycles; RT, room temperature. Ordinary one-way ANOVA with Dunnett's multiple comparisons tests. ns, not significant; ****p < 0.001.
Figure Legend Snippet: A colorimetric glucose assay was used to measure levels of glucose in 30 μg adult and 10 μg children's COMIRNATY™ vaccines after exposure to different temperature conditions. (A) Photograph of the plate showing an increase in glucose at 37 °C and a further increase at 45 °C. The difference in colour intensity for 37 °C and 45 °C compared to 2–8 °C storage can be observed by eye without the need for a plate reader. (B) The intensity of the colour change was also analysed using a spectrophotometer at 540 nm and the concentrations of glucose in the vaccine samples were determined based on the glucose standards. The levels of glucose in temperature-altered conditions were compared to the recommended 2–8 °C storage temperature. Error bars show the standard deviations from three measurements for each temperature point. 3× FT, three freeze-thaw cycles; RT, room temperature. Ordinary one-way ANOVA with Dunnett's multiple comparisons tests. ns, not significant; ****p < 0.001.

Techniques Used: Glucose Assay, Vaccines, Spectrophotometry



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A colorimetric glucose assay was used to measure levels of glucose in 30 μg adult and 10 μg children's COMIRNATY™ vaccines after exposure to different temperature conditions. (A) Photograph of the plate showing an increase in glucose at 37 °C and a further increase at 45 °C. The difference in colour intensity for 37 °C and 45 °C compared to 2–8 °C storage can be observed by eye without the need for a plate reader. (B) The intensity of the colour change was also analysed using a spectrophotometer at 540 nm and the concentrations of glucose in the vaccine samples were determined based on the glucose standards. The levels of glucose in temperature-altered conditions were compared to the recommended 2–8 °C storage temperature. Error bars show the standard deviations from three measurements for each temperature point. 3× FT, three freeze-thaw cycles; RT, room temperature. Ordinary one-way ANOVA with Dunnett's multiple comparisons tests. ns, not significant; ****p < 0.001.

Journal: International Journal of Pharmaceutics: X

Article Title: Ensuring vaccine cold chain integrity: A rapid and low-cost test for identifying heat-exposed sucrose-containing vaccines

doi: 10.1016/j.ijpx.2025.100467

Figure Lengend Snippet: A colorimetric glucose assay was used to measure levels of glucose in 30 μg adult and 10 μg children's COMIRNATY™ vaccines after exposure to different temperature conditions. (A) Photograph of the plate showing an increase in glucose at 37 °C and a further increase at 45 °C. The difference in colour intensity for 37 °C and 45 °C compared to 2–8 °C storage can be observed by eye without the need for a plate reader. (B) The intensity of the colour change was also analysed using a spectrophotometer at 540 nm and the concentrations of glucose in the vaccine samples were determined based on the glucose standards. The levels of glucose in temperature-altered conditions were compared to the recommended 2–8 °C storage temperature. Error bars show the standard deviations from three measurements for each temperature point. 3× FT, three freeze-thaw cycles; RT, room temperature. Ordinary one-way ANOVA with Dunnett's multiple comparisons tests. ns, not significant; ****p < 0.001.

Article Snippet: The glucose concentrations in COMIRNATYTM vaccine samples were measured using a colorimetric glucose assay kit (Cell Biolabs, San Diego, CA, USA), according to the manufacturer's protocol.

Techniques: Glucose Assay, Vaccines, Spectrophotometry