PMID- 34176856
OWN - NLM
STAT- MEDLINE
DCOM- 20211214
LR  - 20230808
IS  - 1348-2246 (Electronic)
IS  - 0910-6340 (Linking)
VI  - 37
IP  - 12
DP  - 2021 Dec 10
TI  - Surface Plasmon Resonance Sensor for Novel Detection of Histidine Based on the 
      Hg(2+) Induced Aggregation of AuNPs Followed by Preconcentration with Chitosan 
      Gel as Solid Phase Biosorbent.
PG  - 1741-1748
LID - 10.2116/analsci.21P090 [doi]
AB  - This research work aims to propose an extraction method using chitosan as the 
      sorbent and gold nanoparticles (AuNPs) as the colorimetric sensor for the 
      development of a simple, cost-effective, rapid, sensitive, and selective 
      detection method for histidine. The colorimetric assay is based on the 
      aggregation of AuNPs in the presence of Hg(2+) ions and histidine. The state of 
      AuNPs generally changes from dispersion to aggregation. The change in state is 
      accompanied by a corresponding change in color (from red wine to blue). 
      Therefore, the solid phase extraction (SPE) method using chitosan as the sorbent 
      was used to extract the AuNPs to improve the sensitivity of detection. It was 
      found that the extraction by means of a sensor system using chitosan could 
      increase the detection signal for histidine by 10 times. The calibration curve, 
      which is the plot of absorbance ratio (A(650)/A(528)) against the concentration 
      of histidine, shows a linear relation in the concentration range of 100 - 800 nM. 
      The limit of detection (LOD) and limit of quantitation (LOQ) of the method were 
      found to be 99.88 and 107.45 nM, respectively. Good recoveries were also obtained 
      (range: 99.75 - 104.43%) with relative standard deviations (RSDs) below 5.89% in 
      real water samples. Moreover, this method can be used for the selective detection 
      of histidine even in the presence of other amino acids. The proposed method has 
      been successfully used in the determination of histidine in mineral water 
      samples.
FAU - Uppa, Yuwapon
AU  - Uppa Y
AD  - Materials Chemistry Research Center, Department of Chemistry and Center of 
      Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, 
      Khon Kaen, 40002, Thailand.
FAU - Srijaranai, Supalax
AU  - Srijaranai S
AD  - Materials Chemistry Research Center, Department of Chemistry and Center of 
      Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, 
      Khon Kaen, 40002, Thailand.
FAU - Chanthai, Saksit
AU  - Chanthai S
AD  - Materials Chemistry Research Center, Department of Chemistry and Center of 
      Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, 
      Khon Kaen, 40002, Thailand. sakcha2@kku.ac.th.
LA  - eng
PT  - Journal Article
DEP - 20210625
PL  - Switzerland
TA  - Anal Sci
JT  - Analytical sciences : the international journal of the Japan Society for 
      Analytical Chemistry
JID - 8511078
RN  - 4QD397987E (Histidine)
RN  - 7440-57-5 (Gold)
RN  - 9012-76-4 (Chitosan)
RN  - FXS1BY2PGL (Mercury)
SB  - IM
MH  - *Chitosan
MH  - Gold
MH  - Histidine
MH  - *Mercury
MH  - *Metal Nanoparticles
MH  - Surface Plasmon Resonance
OTO - NOTNLM
OT  - Histidine
OT  - chemical sensor
OT  - chitosan gel
OT  - gold nanoparticles
OT  - solid-phase extraction
OT  - surface plasmon resonance
EDAT- 2021/06/29 06:00
MHDA- 2021/12/15 06:00
CRDT- 2021/06/28 05:42
PHST- 2021/06/29 06:00 [pubmed]
PHST- 2021/12/15 06:00 [medline]
PHST- 2021/06/28 05:42 [entrez]
AID - 10.2116/analsci.21P090 [pii]
AID - 10.2116/analsci.21P090 [doi]
PST - ppublish
SO  - Anal Sci. 2021 Dec 10;37(12):1741-1748. doi: 10.2116/analsci.21P090. Epub 2021 
      Jun 25.