Yi Wang, Tong Lei, Jinghui Zhang, Lei Gong, Yanjie Yang, Xiaolin Ma, Yongqiang Wen, Hongwu Du, Dongdong Qi, Yongzhong Bian, Zhiqiang Liu and Jianzhuang Jiang
{"title":"A porphyrin-triazatruxene dyad for ratiometric two-photon fluorescent sensing of intracellular viscosity†","authors":"Yi Wang, Tong Lei, Jinghui Zhang, Lei Gong, Yanjie Yang, Xiaolin Ma, Yongqiang Wen, Hongwu Du, Dongdong Qi, Yongzhong Bian, Zhiqiang Liu and Jianzhuang Jiang","doi":"10.1039/D2TB00384H","DOIUrl":null,"url":null,"abstract":"<p >By combining an electron-rich triazatruxene unit (<strong>TAT</strong>) to an electron-deficient zinc porphyrin fluorophore (<strong>ZnPor</strong>) <em>via</em> an ethynyl bridge, a new two-photon fluorescent viscosity rotor (<strong>TAT-ZnPor</strong>) with typical donor-π-acceptor (D-π-A) electronic configuration was developed for the ratiometric two-photon fluorescent detection of intracellular viscosity. The <strong>TAT-ZnPor</strong> dyad exhibited highly improved fluorescence quantum yield (<em>Φ</em><small><sub>em</sub></small> = 0.40) and two-photon absorption cross-section (<em>δ</em><small><sub>TPA</sub></small> = 811 GM) in comparison to the individual components. In the methanol/glycerol system, <strong>TAT-ZnPor</strong> showed sensitive fluorescence responses toward the change of viscosity. Upon elevating the viscosity from 0.59 to 947 cp, the blue emission band around 410 nm gradually enhanced, while the red band at 647 nm concomitantly quenched, leading to a remarkable intensity ratio (<em>I</em><small><sub>410</sub></small>/<em>I</em><small><sub>647</sub></small>) change from 0.70 to 81 (116-fold). <strong>TAT-ZnPor</strong> also displayed good cell imaging performance under one- and two-photon excitation, and strong mitochondria targeting ability in living cells, thus was successfully applied in detecting the change of mitochondrial viscosity during the nystatin-induced degeneration.</p>","PeriodicalId":83,"journal":{"name":"Journal of Materials Chemistry B","volume":null,"pages":null},"PeriodicalIF":6.1000,"publicationDate":"2022-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Materials Chemistry B","FirstCategoryId":"1","ListUrlMain":"https://pubs.rsc.org/en/content/articlelanding/2022/tb/d2tb00384h","RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"MATERIALS SCIENCE, BIOMATERIALS","Score":null,"Total":0}
引用次数: 2
Abstract
By combining an electron-rich triazatruxene unit (TAT) to an electron-deficient zinc porphyrin fluorophore (ZnPor) via an ethynyl bridge, a new two-photon fluorescent viscosity rotor (TAT-ZnPor) with typical donor-π-acceptor (D-π-A) electronic configuration was developed for the ratiometric two-photon fluorescent detection of intracellular viscosity. The TAT-ZnPor dyad exhibited highly improved fluorescence quantum yield (Φem = 0.40) and two-photon absorption cross-section (δTPA = 811 GM) in comparison to the individual components. In the methanol/glycerol system, TAT-ZnPor showed sensitive fluorescence responses toward the change of viscosity. Upon elevating the viscosity from 0.59 to 947 cp, the blue emission band around 410 nm gradually enhanced, while the red band at 647 nm concomitantly quenched, leading to a remarkable intensity ratio (I410/I647) change from 0.70 to 81 (116-fold). TAT-ZnPor also displayed good cell imaging performance under one- and two-photon excitation, and strong mitochondria targeting ability in living cells, thus was successfully applied in detecting the change of mitochondrial viscosity during the nystatin-induced degeneration.
期刊介绍:
Journal of Materials Chemistry A, B & C cover high quality studies across all fields of materials chemistry. The journals focus on those theoretical or experimental studies that report new understanding, applications, properties and synthesis of materials. Journal of Materials Chemistry A, B & C are separated by the intended application of the material studied. Broadly, applications in energy and sustainability are of interest to Journal of Materials Chemistry A, applications in biology and medicine are of interest to Journal of Materials Chemistry B, and applications in optical, magnetic and electronic devices are of interest to Journal of Materials Chemistry C.Journal of Materials Chemistry B is a Transformative Journal and Plan S compliant. Example topic areas within the scope of Journal of Materials Chemistry B are listed below. This list is neither exhaustive nor exclusive:
Antifouling coatings
Biocompatible materials
Bioelectronics
Bioimaging
Biomimetics
Biomineralisation
Bionics
Biosensors
Diagnostics
Drug delivery
Gene delivery
Immunobiology
Nanomedicine
Regenerative medicine & Tissue engineering
Scaffolds
Soft robotics
Stem cells
Therapeutic devices