Nitrogen-Doped Carbon Nanoparticles Derived from Silkworm Excrement as On–Off–On Fluorescent Sensors to Detect Fe(III) and Biothiols
On–off–on fluorescent sensors based on emerging carbon nanoparticles (CNPs) or carbon dots (CDs) have attracted extensive attention for their convenience and efficiency. In this study, dumped silkworm excrement was used as a novel precursor to prepare fluorescent nitrogen-doped C...
| Main Authors: | , , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2018-06-01
|
| Series: | Nanomaterials |
| Subjects: | |
| Online Access: | http://www.mdpi.com/2079-4991/8/6/443 |
| _version_ | 1819062622046126080 |
|---|---|
| author | Xingchang Lu Chen Liu Zhimin Wang Junyi Yang Mengjing Xu Jun Dong Ping Wang Jiangjiang Gu Feifei Cao |
| author_facet | Xingchang Lu Chen Liu Zhimin Wang Junyi Yang Mengjing Xu Jun Dong Ping Wang Jiangjiang Gu Feifei Cao |
| author_sort | Xingchang Lu |
| collection | DOAJ |
| description | On–off–on fluorescent sensors based on emerging carbon nanoparticles (CNPs) or carbon dots (CDs) have attracted extensive attention for their convenience and efficiency. In this study, dumped silkworm excrement was used as a novel precursor to prepare fluorescent nitrogen-doped CNPs (N-CNPs) through hydrothermal treatment. The obtained N-CNPs showed good photoluminescent properties and excellent water dispersibility. Thus, they were applied as fluorescence “on–off–on” probes for the detection of Fe(III) and biothiols. The “on–off” process was achieved by adding Fe(III) into N-CNP solution, which resulted in the selective fluorescence quenching, with the detection limit of 0.20 μM in the linear range of 1–500 μM. Following this, the introduction of biothiols could recover the fluorescence efficiently, in order to realize the “off–on” process. By using glutathione (GSH) as the representative, the linear range was in the range of 1–1000 μM, and the limit of detection was 0.13 μM. Moreover, this useful strategy was successfully applied for the determination of amounts of GSH in fetal calf serum samples. |
| first_indexed | 2024-12-21T15:01:42Z |
| format | Article |
| id | doaj.art-9525484e6660452ab44c4233747ade6a |
| institution | Directory Open Access Journal |
| issn | 2079-4991 |
| language | English |
| last_indexed | 2024-12-21T15:01:42Z |
| publishDate | 2018-06-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Nanomaterials |
| spelling | doaj.art-9525484e6660452ab44c4233747ade6a2022-12-21T18:59:34ZengMDPI AGNanomaterials2079-49912018-06-018644310.3390/nano8060443nano8060443Nitrogen-Doped Carbon Nanoparticles Derived from Silkworm Excrement as On–Off–On Fluorescent Sensors to Detect Fe(III) and BiothiolsXingchang Lu0Chen Liu1Zhimin Wang2Junyi Yang3Mengjing Xu4Jun Dong5Ping Wang6Jiangjiang Gu7Feifei Cao8College of Science, Huazhong Agricultural University, Wuhan 430070, ChinaCollege of Science, Huazhong Agricultural University, Wuhan 430070, ChinaCollege of Science, Huazhong Agricultural University, Wuhan 430070, ChinaCollege of Science, Huazhong Agricultural University, Wuhan 430070, ChinaCollege of Science, Huazhong Agricultural University, Wuhan 430070, ChinaCollege of Science, Huazhong Agricultural University, Wuhan 430070, ChinaCollege of Science, Huazhong Agricultural University, Wuhan 430070, ChinaCollege of Science, Huazhong Agricultural University, Wuhan 430070, ChinaCollege of Science, Huazhong Agricultural University, Wuhan 430070, ChinaOn–off–on fluorescent sensors based on emerging carbon nanoparticles (CNPs) or carbon dots (CDs) have attracted extensive attention for their convenience and efficiency. In this study, dumped silkworm excrement was used as a novel precursor to prepare fluorescent nitrogen-doped CNPs (N-CNPs) through hydrothermal treatment. The obtained N-CNPs showed good photoluminescent properties and excellent water dispersibility. Thus, they were applied as fluorescence “on–off–on” probes for the detection of Fe(III) and biothiols. The “on–off” process was achieved by adding Fe(III) into N-CNP solution, which resulted in the selective fluorescence quenching, with the detection limit of 0.20 μM in the linear range of 1–500 μM. Following this, the introduction of biothiols could recover the fluorescence efficiently, in order to realize the “off–on” process. By using glutathione (GSH) as the representative, the linear range was in the range of 1–1000 μM, and the limit of detection was 0.13 μM. Moreover, this useful strategy was successfully applied for the determination of amounts of GSH in fetal calf serum samples.http://www.mdpi.com/2079-4991/8/6/443nitrogen-doped carbon nanoparticlessilkworm excrementon–off–on fluorescent sensorsFe(III)biothiols |
| spellingShingle | Xingchang Lu Chen Liu Zhimin Wang Junyi Yang Mengjing Xu Jun Dong Ping Wang Jiangjiang Gu Feifei Cao Nitrogen-Doped Carbon Nanoparticles Derived from Silkworm Excrement as On–Off–On Fluorescent Sensors to Detect Fe(III) and Biothiols Nanomaterials nitrogen-doped carbon nanoparticles silkworm excrement on–off–on fluorescent sensors Fe(III) biothiols |
| title | Nitrogen-Doped Carbon Nanoparticles Derived from Silkworm Excrement as On–Off–On Fluorescent Sensors to Detect Fe(III) and Biothiols |
| title_full | Nitrogen-Doped Carbon Nanoparticles Derived from Silkworm Excrement as On–Off–On Fluorescent Sensors to Detect Fe(III) and Biothiols |
| title_fullStr | Nitrogen-Doped Carbon Nanoparticles Derived from Silkworm Excrement as On–Off–On Fluorescent Sensors to Detect Fe(III) and Biothiols |
| title_full_unstemmed | Nitrogen-Doped Carbon Nanoparticles Derived from Silkworm Excrement as On–Off–On Fluorescent Sensors to Detect Fe(III) and Biothiols |
| title_short | Nitrogen-Doped Carbon Nanoparticles Derived from Silkworm Excrement as On–Off–On Fluorescent Sensors to Detect Fe(III) and Biothiols |
| title_sort | nitrogen doped carbon nanoparticles derived from silkworm excrement as on off on fluorescent sensors to detect fe iii and biothiols |
| topic | nitrogen-doped carbon nanoparticles silkworm excrement on–off–on fluorescent sensors Fe(III) biothiols |
| url | http://www.mdpi.com/2079-4991/8/6/443 |
| work_keys_str_mv | AT xingchanglu nitrogendopedcarbonnanoparticlesderivedfromsilkwormexcrementasonoffonfluorescentsensorstodetectfeiiiandbiothiols AT chenliu nitrogendopedcarbonnanoparticlesderivedfromsilkwormexcrementasonoffonfluorescentsensorstodetectfeiiiandbiothiols AT zhiminwang nitrogendopedcarbonnanoparticlesderivedfromsilkwormexcrementasonoffonfluorescentsensorstodetectfeiiiandbiothiols AT junyiyang nitrogendopedcarbonnanoparticlesderivedfromsilkwormexcrementasonoffonfluorescentsensorstodetectfeiiiandbiothiols AT mengjingxu nitrogendopedcarbonnanoparticlesderivedfromsilkwormexcrementasonoffonfluorescentsensorstodetectfeiiiandbiothiols AT jundong nitrogendopedcarbonnanoparticlesderivedfromsilkwormexcrementasonoffonfluorescentsensorstodetectfeiiiandbiothiols AT pingwang nitrogendopedcarbonnanoparticlesderivedfromsilkwormexcrementasonoffonfluorescentsensorstodetectfeiiiandbiothiols AT jiangjianggu nitrogendopedcarbonnanoparticlesderivedfromsilkwormexcrementasonoffonfluorescentsensorstodetectfeiiiandbiothiols AT feifeicao nitrogendopedcarbonnanoparticlesderivedfromsilkwormexcrementasonoffonfluorescentsensorstodetectfeiiiandbiothiols |