Fluorescent ovalbumin-functionalized gold nanocluster as a highly sensitive and selective sensor for relay detection of salicylaldehyde, Hg(II) and folic acid

Nakum, Rajanee; Ghosh, Arup K.; Ranjan Jali, Bigyan; Sahoo, Suban K.

doi:10.1016/j.saa.2024.124143

Spectrochimica Acta Part A: Molecular and Biomolecular Spectros

2024

DOI: 10.1016/j.saa.2024.124143

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Fluorescent ovalbumin-functionalized gold nanocluster as a highly sensitive and selective sensor for relay detection of salicylaldehyde, Hg(II) and folic acid

Rajanee Nakum,

Arup K. Ghosh,

Bigyan Ranjan Jali

et al.

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2024

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Cited by 4 publications

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Vitamin B6 Cofactor Pyridoxal 5’-phosphate Conjugated Papain-Stabilized Fluorescent Gold Nanoclusters for Switch-on Detection of Zinc(II)

Chaudhary,

Tripathi,

Sahoo

2024

J Fluoresc

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Vitamin B6 Cofactor Pyridoxal 5’-phosphate Conjugated Papain-Stabilized Fluorescent Gold Nanoclusters for Switch-on Detection of Zinc(II)

Chaudhary,

Tripathi,

Sahoo

2024

J Fluoresc

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Highly stable Ni(ii)/Zn(ii)-CPs as multiresponsive luminescent sensors for detection of IO₄⁻, 2,6-dichloro-4-nitrophenol and folic acid

Zhao,

Feng

et al. 2024

J. Mater. Chem. C

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The Role of Ovalbumin in Manganese Homeostasis during Chick Embryogenesis: An EPR Spectroscopic Study

Vesković,

Bondžić,

Popović Bijelić

2024

Molecules

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Ovalbumin (OVA), a protein vital for chick embryo nutrition, hydration, and antimicrobial protection, together with other egg-white proteins, migrates to the amniotic fluid and is orally absorbed by the embryo during embryogenesis. Recently, it has been shown that for optimal eggshell quality, the hen diet can be supplemented with manganese. Although essential for embryonic development, manganese in excess causes neurotoxicity. This study investigates whether OVA may be involved in the regulation of manganese levels. The binding of Mn(II) to OVA was investigated using electron paramagnetic resonance (EPR) spectroscopy. The results show that OVA binds a maximum of two Mn(II) ions, one with slightly weaker affinity, even in a 10-fold excess, suggesting it may have a protective role from Mn(II) overload. It seems that the binding of Mn(II), or the presence of excess Mn(II), does not affect OVA’s tertiary structure, as evidenced from fluorescence and UV/vis measurements. Comparative analysis with bovine and human serum albumins revealed that they exhibit higher affinities for Mn(II) than OVA, most likely due to their essentially different physiological roles. These findings suggest that OVA does not play a role in the transport and storage of manganese; however, it may be involved in embryo protection from manganese-induced toxicity.

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Fluorescent ovalbumin-functionalized gold nanocluster as a highly sensitive and selective sensor for relay detection of salicylaldehyde, Hg(II) and folic acid

Cited by 4 publications

References 55 publications

Vitamin B6 Cofactor Pyridoxal 5’-phosphate Conjugated Papain-Stabilized Fluorescent Gold Nanoclusters for Switch-on Detection of Zinc(II)

Vitamin B6 Cofactor Pyridoxal 5’-phosphate Conjugated Papain-Stabilized Fluorescent Gold Nanoclusters for Switch-on Detection of Zinc(II)

Highly stable Ni(ii)/Zn(ii)-CPs as multiresponsive luminescent sensors for detection of IO₄⁻, 2,6-dichloro-4-nitrophenol and folic acid

The Role of Ovalbumin in Manganese Homeostasis during Chick Embryogenesis: An EPR Spectroscopic Study

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Fluorescent ovalbumin-functionalized gold nanocluster as a highly sensitive and selective sensor for relay detection of salicylaldehyde, Hg(II) and folic acid

Cited by 4 publications

References 55 publications

Vitamin B6 Cofactor Pyridoxal 5’-phosphate Conjugated Papain-Stabilized Fluorescent Gold Nanoclusters for Switch-on Detection of Zinc(II)

Vitamin B6 Cofactor Pyridoxal 5’-phosphate Conjugated Papain-Stabilized Fluorescent Gold Nanoclusters for Switch-on Detection of Zinc(II)

Highly stable Ni(ii)/Zn(ii)-CPs as multiresponsive luminescent sensors for detection of IO4−, 2,6-dichloro-4-nitrophenol and folic acid

The Role of Ovalbumin in Manganese Homeostasis during Chick Embryogenesis: An EPR Spectroscopic Study

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Product

Resources

About

Highly stable Ni(ii)/Zn(ii)-CPs as multiresponsive luminescent sensors for detection of IO₄⁻, 2,6-dichloro-4-nitrophenol and folic acid