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Literature DB >> 17696561

One- and two-photon excited optical ph probing for cells using surface-enhanced Raman and hyper-Raman nanosensors.

Janina Kneipp¹, Harald Kneipp, Burghardt Wittig, Katrin Kneipp.

Abstract

We demonstrate spatially resolved probing and imaging of pH in live cells by mobile and biocompatible nanosensors using surface-enhanced Raman scattering (SERS) of 4-mercaptobenzoic acid (pMBA) on gold nanoaggregates. Moreover, we also show that this concept of pH nanosensors can be extended to two-photon excitation by using surface-enhanced hyper-Raman scattering (SEHRS). In addition to the advantages of two-photon excitation, the SEHRS sensor enables measurements over a wide pH range without the use of multiple probes.

Entities: Chemical Disease

Mesh：

Year: 2007 PMID： 17696561 DOI： 10.1021/nl071418z

Source DB: PubMed Journal: Nano Lett ISSN： 1530-6984 Impact factor: 11.189

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Cited

33 in total

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3. A series of naphthalimide derivatives as intra and extracellular pH sensors.

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Review 4. Gold Nanoparticles for In Vitro Diagnostics.

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5. An FRET-based ratiometric chemosensor for in vitro cellular fluorescence analyses of pH.

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6. Comparison of 4-Mercaptobenzoic Acid Surface-Enhanced Raman Spectroscopy-Based Methods for pH Determination in Cells.

Authors: Brian T Scarpitti; Amy M Morrison; Marina Buyanova; Zachary D Schultz
Journal: Appl Spectrosc Date: 2020-08-26 Impact factor: 2.388

7. Present and Future of Surface-Enhanced Raman Scattering.

Authors: Judith Langer; Dorleta Jimenez de Aberasturi; Javier Aizpurua; Ramon A Alvarez-Puebla; Baptiste Auguié; Jeremy J Baumberg; Guillermo C Bazan; Steven E J Bell; Anja Boisen; Alexandre G Brolo; Jaebum Choo; Dana Cialla-May; Volker Deckert; Laura Fabris; Karen Faulds; F Javier García de Abajo; Royston Goodacre; Duncan Graham; Amanda J Haes; Christy L Haynes; Christian Huck; Tamitake Itoh; Mikael Käll; Janina Kneipp; Nicholas A Kotov; Hua Kuang; Eric C Le Ru; Hiang Kwee Lee; Jian-Feng Li; Xing Yi Ling; Stefan A Maier; Thomas Mayerhöfer; Martin Moskovits; Kei Murakoshi; Jwa-Min Nam; Shuming Nie; Yukihiro Ozaki; Isabel Pastoriza-Santos; Jorge Perez-Juste; Juergen Popp; Annemarie Pucci; Stephanie Reich; Bin Ren; George C Schatz; Timur Shegai; Sebastian Schlücker; Li-Lin Tay; K George Thomas; Zhong-Qun Tian; Richard P Van Duyne; Tuan Vo-Dinh; Yue Wang; Katherine A Willets; Chuanlai Xu; Hongxing Xu; Yikai Xu; Yuko S Yamamoto; Bing Zhao; Luis M Liz-Marzán
Journal: ACS Nano Date: 2019-10-08 Impact factor: 15.881