1 Kellner-Weibel, G. et al. Crystallization of Free Cholesterol in Model Macrophage Foam Cells. Atertio. Thromb. Vasc. Biol. 19, 1891-1898, doi:10.1161/01.ATV.19.8.1891 (1999).
2 Yue, S. et al. Cholesteryl ester accumulation induced by PTEN loss and PI3K/AKT activation underlies human prostate cancer aggressiveness. Cell metabolism 19, 393-406, doi:10.1016/j.cmet.2014.01.019 (2014).
3 Zumbusch, A., Holtom, G. R. & Xie, X. S. Three-dimensional vibrational imaging by coherent anti-Stokes Raman scattering. Phys. Rev. Lett. 82, 4142, doi:10.1103/PhysRevLett.82.4142 (1999).
4 Cheng, J. X. & Xie, X. S. Coherent anti-Stokes Raman scattering microscopy: instrumentation, theory, and applications. J. Phys. Chem. B 108, 827-840, doi:10.1021/jp035693v (2004).
5 Yue, S. & Cheng, J. X. Deciphering single cell metabolism by coherent Raman scattering microscopy. Curr. Opin. Chem. Biol. 33, 46-57, doi:10.1016/j.cbpa.2016.05.016 (2016).
6 Lee, Y. J. et al. Quantitative, label-free characterization of stem cell differentiation at the single-cell level by broadband coherent anti-Stokes Raman scattering microscopy. Tissue Eng., Part C 20, 562-569, doi:10.1089/ten.tec.2013.0472 (2014).
7 Di Napoli, C. et al. Quantitative spatiotemporal chemical profiling of individual lipid droplets by hyperspectral CARS microscopy in living human adipose-derived stem cells. Anal. Chem. 88, 3677-3685, doi:10.1021/acs.analchem.5b04468 (2016).
8 Hofemeier, A. D. et al. Label-free nonlinear optical microscopy detects early markers for osteogenic differentiation of human stem cells. Sci Rep 6, 26716, doi:10.1038/srep26716 (2016).
9 Capitaine, E. et al. Fast epi-detected broadband multiplex CARS and SHG imaging of mouse skull cells. Biomed. Opt. Express 9, 245-253, doi:doi.org/10.1364/BOE.9.000245 (2018).
10 Untracht, G. R., Karnowski, K. & Sampson, D. D. Imaging the small with the small: Prospects for photonics in micro-endomicroscopy for minimally invasive cellular-resolution bioimaging. APL Photonics 6, 060901, doi:doi.org/10.1063/5.0052258 (2021).
11 Wang, H., Huff, T. B. & Cheng, J. X. Coherent anti-Stokes Raman scattering imaging with a laser source delivered by a photonic crystal fiber. Opt. Lett. 31, 1417-1419, doi:10.1364/OL.31.001417 (2006).
12 Balu, M., Liu, G. J., Chen, Z. P., Tromberg, B. J. & Potma, E. O. Fiber delivered probe for efficient CARS imaging of tissues. Opt. Express 18, 2380-2388, doi:10.1364/OE.18.002380 (2010).
13 Smith, B. et al. Portable, miniaturized, fibre delivered, multimodal CARS exoscope. Opt. Express 21, 17161-17175, doi:10.1364/OE.21.017161 (2013).
14 Chen, X., Xu, X., McCormick, D. T., Wong, K. & Wong, S. T. Multimodal nonlinear endo-microscopy probe design for high resolution, label-free intraoperative imaging. Biomed. Opt. Express 6, 2283-2293, doi:10.1364/BOE.6.002283 (2015).
15 Lukić, A. et al. Fiber probe for nonlinear imaging applications. J. Biophotonics 9, 138-143, doi:doi.org/10.1002/jbio.201500010 (2016).
16 Lukic, A. et al. Endoscopic fiber probe for nonlinear spectroscopic imaging. Optica 4, 496-501, doi:doi.org/10.1364/OPTICA.4.000496 (2017).
17 Kim, S. H. et al. Multiplex coherent anti-stokes Raman spectroscopy images intact atheromatous lesions and concomitantly identifies distinct chemical profiles of atherosclerotic lipids. Circul. Res. 106, 1332-1341, doi:10.1161/CIRCRESAHA.109.208678 (2010).
18 Lombardini, A. et al. High-resolution multimodal flexible coherent Raman endoscope. Light: Sci. Appl. 7, 1-8, doi:doi.org/10.1038/s41377-018-0003-3 (2018).
19 Wang, J. et al. SERS-active fiber tip for intracellular and extracellular pH sensing in living single cells. Sens. Actuators B: Chem. 290, 527-534, doi:doi.org/10.1016/j.snb.2019.03.149 (2019).
20 Yang, Q. et al. Fiber-optic-based micro-probe using hexagonal 1-in-6 fiber configuration for intracellular single-cell pH measurement. Anal. Chem. 87, 7171-7179, doi:doi.org/10.1021/acs.analchem.5b01040 (2015).
21 Kasili, P. M., Song, J. M. & Vo-Dinh, T. Optical sensor for the detection of caspase-9 activity in a single cell. J. Am. Chem. Soc. 126, 2799-2806, doi:10.1021/ja037388t (2004).
22 Liang, F. et al. Direct tracking of amyloid and tau dynamics in neuroblastoma cells using nanoplasmonic fiber tip probes. Nano Lett. 16, 3989-3994, doi:doi.org/10.1021/acs.nanolett.6b00320 (2016).
23 Zheng, X. T., Yang, H. B. & Li, C. M. Optical detection of single cell lactate release for cancer metabolic analysis. Anal. Chem. 82, 5082-5087, doi:10.1021/ac100074n (2010).
24 Liu, Z., Guo, C., Yang, J. & Yuan, L. Tapered fiber optical tweezers for microscopic particle trapping: fabrication and application. Opt. Express 14, 12510-12516, doi:10.1364/OE.14.012510 (2006).
25 Cole, R. & Slepkov, A. Interplay of pulse bandwidth and spectral resolution in spectral-focusing CARS microscopy. JOSA B 35, 842-850, doi:doi.org/10.1364/JOSAB.35.000842 (2018).
26 Wang, Z. et al. Coherent anti-Stokes Raman scattering microscopy imaging with suppression of four-wave mixing in optical fibers. Opt. Express 19, 7960-7970, doi:10.1364/OE.19.007960 (2011).
27 Wang, Z. et al. Use of multimode optical fibers for fiber-based coherent anti-Stokes Raman scattering microendoscopy imaging. Opt. Lett. 36, 2967-2969, doi:10.1364/OL.36.002967 (2011).
28 Kipcak, A., Senberber, F., Derun, E. M. & Piskin, S. Evaluation of the magnesium wastes with boron oxide in magnesium borate synthesis. J. Mater. Metall. Eng. 6, 610-614, doi:10.5281/zenodo.1056553 (2012).
29 Armand, P., Lignie, A., Beaurain, M. & Papet, P. Flux-Grown Piezoelectric Materials: Application to α-Quartz Analogues. Crystals 4, 168-189, doi:doi.org/10.3390/cryst4020168 (2014).
30 Khan, R., Gul, B., Khan, S., Nisar, H. & Ahmad, I. Refractive index of biological tissues: Review, measurement techniques, and applications. Photodiagn. Photodyn. Ther. 33, 102192, doi:doi.org/10.1016/j.pdpdt.2021.102192 (2021).
31 Yu., Y. I., Lazareva, E. N. & Tuchin, V. V. Refractive index of adipose tissue and lipid droplet measured in wide spectral and temperature ranges. Appl. Opt. 57, 4839-4848, doi:doi.org/10.1364/AO.57.004839 (2018).
32 Cheng, J. X., Potma, E. O. & Xie, S. X. Coherent anti-Stokes Raman scattering correlation spectroscopy: Probing dynamical processes with chemical selectivity. J. Phys. Chem. A 106, 8561-8568, doi:10.1021/jp025774b (2002).