Surface processing with sulfonic acid for quantum dot and its characteristics

Amane Shiohara; Noriyoshi Manabe; Kenji Yamamoto

doi:10.1117/12.645494

Surface processing with sulfonic acid for quantum dot and its characteristics

Amane Shiohara, Noriyoshi Manabe, Kenji Yamamoto

Research output: Chapter in Book/Report/Conference proceeding › Conference Paper › Other › peer-review

Abstract

We developed the smaller sized quantum dots covered with sodium 2-mercaptoethanesulfonate which has a sulfonyl group (QDs-SO^3-), and compared its stability in acid, salt and buffer solutions with that of the quantum dots covered with the mercaptoundecanoic acid (QDs-MUA) and covered with the NH₂ group (QDs-NH₂). We found that the QD-SO ₃ - well disperses in these solutions without quenching and this stability holds on 24 hours. Next, we observed the cell damage caused by the quantum dots. In the evaluation of cell damage, QD-SO₃ did not show noticeable cell damage in the 0.2mg/mL by the comet assay as well as QD-MUA and QD-NH₂ in the same concentration. All these results could suggest that SO₃" might be useful for the biomedical engineering.

Original language	English
Title of host publication	Colloidal Quantum Dots for Biomedical Applications
Volume	6096
DOIs	https://doi.org/10.1117/12.645494
Publication status	Published - 26 Jun 2006
Externally published	Yes
Event	Colloidal Quantum Dots for Biomedical Applications 2006 - San Jose, United States of America Duration: 22 Jan 2006 → 24 Jan 2006

Conference

Conference	Colloidal Quantum Dots for Biomedical Applications 2006
Country/Territory	United States of America
City	San Jose
Period	22/01/06 → 24/01/06

Keywords

Acidic Conditions
QD-SO
Sulfonic Acid
Surface Processing

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10.1117/12.645494

Cite this

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title = "Surface processing with sulfonic acid for quantum dot and its characteristics",

abstract = "We developed the smaller sized quantum dots covered with sodium 2-mercaptoethanesulfonate which has a sulfonyl group (QDs-SO3-), and compared its stability in acid, salt and buffer solutions with that of the quantum dots covered with the mercaptoundecanoic acid (QDs-MUA) and covered with the NH2 group (QDs-NH2). We found that the QD-SO 3 - well disperses in these solutions without quenching and this stability holds on 24 hours. Next, we observed the cell damage caused by the quantum dots. In the evaluation of cell damage, QD-SO3 did not show noticeable cell damage in the 0.2mg/mL by the comet assay as well as QD-MUA and QD-NH2 in the same concentration. All these results could suggest that SO3{"} might be useful for the biomedical engineering.",

keywords = "Acidic Conditions, QD-SO, Sulfonic Acid, Surface Processing",

author = "Amane Shiohara and Noriyoshi Manabe and Kenji Yamamoto",

year = "2006",

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day = "26",

doi = "10.1117/12.645494",

language = "English",

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volume = "6096",

booktitle = "Colloidal Quantum Dots for Biomedical Applications",

note = "Colloidal Quantum Dots for Biomedical Applications 2006 ; Conference date: 22-01-2006 Through 24-01-2006",

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TY - GEN

T1 - Surface processing with sulfonic acid for quantum dot and its characteristics

AU - Shiohara, Amane

AU - Manabe, Noriyoshi

AU - Yamamoto, Kenji

PY - 2006/6/26

Y1 - 2006/6/26

N2 - We developed the smaller sized quantum dots covered with sodium 2-mercaptoethanesulfonate which has a sulfonyl group (QDs-SO3-), and compared its stability in acid, salt and buffer solutions with that of the quantum dots covered with the mercaptoundecanoic acid (QDs-MUA) and covered with the NH2 group (QDs-NH2). We found that the QD-SO 3 - well disperses in these solutions without quenching and this stability holds on 24 hours. Next, we observed the cell damage caused by the quantum dots. In the evaluation of cell damage, QD-SO3 did not show noticeable cell damage in the 0.2mg/mL by the comet assay as well as QD-MUA and QD-NH2 in the same concentration. All these results could suggest that SO3" might be useful for the biomedical engineering.

AB - We developed the smaller sized quantum dots covered with sodium 2-mercaptoethanesulfonate which has a sulfonyl group (QDs-SO3-), and compared its stability in acid, salt and buffer solutions with that of the quantum dots covered with the mercaptoundecanoic acid (QDs-MUA) and covered with the NH2 group (QDs-NH2). We found that the QD-SO 3 - well disperses in these solutions without quenching and this stability holds on 24 hours. Next, we observed the cell damage caused by the quantum dots. In the evaluation of cell damage, QD-SO3 did not show noticeable cell damage in the 0.2mg/mL by the comet assay as well as QD-MUA and QD-NH2 in the same concentration. All these results could suggest that SO3" might be useful for the biomedical engineering.

KW - Acidic Conditions

KW - QD-SO

KW - Sulfonic Acid

KW - Surface Processing

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U2 - 10.1117/12.645494

DO - 10.1117/12.645494

M3 - Conference Paper

AN - SCOPUS:33745217848

SN - 0819461385

SN - 9780819461384

VL - 6096

BT - Colloidal Quantum Dots for Biomedical Applications

T2 - Colloidal Quantum Dots for Biomedical Applications 2006

Y2 - 22 January 2006 through 24 January 2006

ER -

Surface processing with sulfonic acid for quantum dot and its characteristics

Abstract

Conference

Keywords

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Novel surface processing with sulfonic acid for quantum dot and its characteristics

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