A polypeptide-mediated synthesis of green fluorescent gold nanoclusters for Fe³⁺ sensing and bioimaging.

Li H, Huang H, Feng JJ, Luo X, Fang KM, Wang ZG, Wang AJ

Journal of colloid and interface science18 Jul 2017Cited by 26 (Europe PMC)

PMID28750241DOI10.1016/j.jcis.2017.07.062PepBankPUB-28750241

Publisher page PubMedAsk about this study

Summary

The text of this summary is not shown here, because the article license does not allow reuse. Read it at the source (opens in a new tab)

Text rights: Publisher copyright. Results still quote short attributed sentences.

Results from this study6

No result from this study comes from a test of the peptide.

Studies that did not test the peptide alone6

In this study, GHRP-6 was a lab tool or a carrier, part of a mix, or the subject of a lab method. These results are not evidence about taking GHRP-6.

01LabNot a test of GHRP-6 aloneIn vitro (cells)Safety outcome
In cell imaging experiments, GHRP‑6 gold nanoclusters showed low cytotoxicity.
In plain wordsIn cells, GHRP‑6 gold nanoclusters showed low toxicity.
Peptide
GHRP-6
Outcome
Direction not reportedCytotoxicity
Study
n: not reported in source
GHRP-6 gold nanoclusters
Outcome group
Adverse events · Whole body
Source sentences
Summary
Besides, GHRP-6-Au NCs exhibited low cytotoxicity and high biocompatibility for cell imaging.
In this study, GHRP-6 was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking GHRP-6.
Report a problemFND-2875024105
02LabNot a test of GHRP-6 aloneIn vitro (cells)Activity measurement
In cell imaging experiments, GHRP‑6 gold nanoclusters showed high biocompatibility.
In plain wordsIn cells, GHRP‑6 gold nanoclusters showed high biocompatibility for imaging.
Peptide
GHRP-6
Outcome
Direction not reportedBiocompatibility for imaging
Study
n: not reported in source
GHRP-6 gold nanoclusters
Outcome group
Diagnostic imaging · Pharmacology
Source sentences
Summary
Besides, GHRP-6-Au NCs exhibited low cytotoxicity and high biocompatibility for cell imaging.
In this study, GHRP-6 was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking GHRP-6.
Report a problemFND-2875024106
03LabNot a test of GHRP-6 aloneIn vitro (cell-free)Activity measurement
In cell-free tests, GHRP‑6 gold nanoclusters had a fluorescence quantum yield of 10.7%.
In plain wordsIn lab tests, GHRP‑6 gold nanoclusters had a fluorescence quantum yield of 10.7%.
Peptide
GHRP-6
Outcome
Not applicableFluorescence quantum yield
Study
n: not reported in source
GHRP-6 gold nanoclusters
Outcome group
Peptide structure and chemistry · Pharmacology
Measurements
Quantum yield
10.7%
GHRP-6-Au NCs
Source sentences
Summary
The obtained GHRP-6-Au NCs had high fluorescent quantum yield (10.7%),
In this study, GHRP-6 was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking GHRP-6.
Report a problemFND-2875024101
04LabNot a test of GHRP-6 aloneIn vitro (cell-free)Activity measurement
In cell-free tests, trace ferric iron strongly quenched fluorescence of GHRP‑6 gold nanoclusters.
In plain wordsIn lab tests, trace ferric iron strongly reduced fluorescence of GHRP‑6 gold nanoclusters.
Peptide
GHRP-6
Outcome
DecreaseIron-induced fluorescence quenching
Study
n: not reported in source
GHRP-6 gold nanoclusters
Outcome group
Peptide structure and chemistry · Pharmacology
Source sentences
Summary
The obtained GHRP-6-Au NCs had high fluorescent quantum yield (10.7%), and the fluorescence was strongly quenched by the existence of trace Fe³⁺.
In this study, GHRP-6 was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking GHRP-6.
Report a problemFND-2875024102
05LabNot a test of GHRP-6 aloneIn vitro (cell-free)Activity measurement
In cell-free tests, the GHRP‑6 gold nanocluster sensor detected ferric iron with a limit of 1.4 µM.
In plain wordsIn lab tests, the GHRP‑6 gold nanocluster sensor had a ferric iron detection limit of 1.4 µM.
Peptide
GHRP-6
Outcome
Not applicableFerric iron detection limit
Study
n: not reported in source
GHRP-6 gold nanoclusters
Outcome group
Analytical methods and detection · Pharmacology
Measurements
Detection limit
1.4 µM
S/N=3
Source sentences
Summary
The sensor had a low detection limit of 1.4µM (S/N=3) and a wide linear range of 2-1000µM.
In this study, GHRP-6 was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking GHRP-6.
Report a problemFND-2875024103
06LabNot a test of GHRP-6 aloneIn vitro (cell-free)Activity measurement
In cell-free tests, the GHRP‑6 gold nanocluster sensor had a ferric iron linear range of 2-1000 µM.
In plain wordsIn lab tests, the GHRP‑6 gold nanocluster sensor had a ferric iron linear range of 2-1000 µM.
Peptide
GHRP-6
Outcome
Not applicableFerric iron linear detection range
Study
n: not reported in source
GHRP-6 gold nanoclusters
Outcome group
Analytical methods and detection · Pharmacology
Measurements
Linear range
2 to 1000 µM
ferric iron sensor
Source sentences
Summary
The sensor had a low detection limit of 1.4µM (S/N=3) and a wide linear range of 2-1000µM.
In this study, GHRP-6 was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking GHRP-6.
Report a problemFND-2875024104

AI wrote and checked these results. AI can make mistakes, so check important results against the source.

Version history

PepBank keeps every version of the data on this study. Status changes from Retraction Watch, Europe PMC and Crossref are listed with their source.

Version 2Current
21 Oct 2026, 15:58 UTC
Study results updated
Version 1
9 Oct 2026, 03:13 UTC
First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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