[1] LEE G, LIM C T. Biomechanics approaches to studying human diseases[J]. Trends in Biotechnology, 25, 111-118(2007).

[2] KUMAR S. Stiffness does matter[J]. Nature Materials, 13, 918-920(2014).

[3] DING Y, XU G K, WANG G F. On the determination of elastic moduli of cells by AFM based indentation[J]. Scientific Reports, 7, 45575(2017).

[4] SCHMALZL J, FENWICK A, BOEHM D et al. The application of ultrasound elastography in the shoulder[J]. Journal of Shoulder and Elbow Surgery, 26, 2236-2246(2017).

[5] LEE J, MOON J Y, CHANG J H. A 35 MHz/105 MHz dual-element focused transducer for intravascular ultrasound tissue imaging using the third harmonic[J]. Sensors, 18, 14(2018).

[6] SUGAWARA Y, WRIGHT O B, MATSUDA O et al. Watching ripples on crystals[J]. Physical Review Letters, 88, 185504(2002).

[7] LIN K, LAI C, PAN C et al. Spatial manipulation of nanoacoustic waves with nanoscale spot sizes[J]. Nature Nanotechnology, 2, 704-708(2007).

[8] CHEN X, ZHANG S F, WANG L et al. Direct observation of interlayer coherent acoustic phonon dynamics in bilayer and few-layer PtSe2[J]. Photonics Research, 7, 1416-1424(2019).

[9] MAK K F, LEE C, HONE J et al. Atomically thin MoS2: a new direct-gap semiconductor[J]. Physical Review Letters, 105, 136805(2010).

[10] SPLENDIANI A, SUN L Y, ZHANG Y B et al. Emerging photoluminescence in monolayer MoS2[J]. Nano Letters, 10, 1271-1275(2010).

[11] WANG B L, SUN Y F, DING H Y et al. Bioelectronics-related 2D materials beyond graphene: fundamentals, properties, and applications[J]. Advanced Functional Materials, 30, 2003732(2020).

[12] LI S, MA L, ZHOU M et al. New opportunities for emerging 2D materials in bioelectronics and biosensors[J]. Current Opinion in Biomedical Engineering, 13, 32-41(2020).

[13] APPEL J H, LI D O, PODLEVSKY J D et al. Low cytotoxicity and genotoxicity of two-dimensional MoS2 and WS2[J]. ACS Biomaterials Science and Engineering, 2, 361-367(2016).

[14] CHIMENE D, ALGE D L, GAHARWAR A K et al. Two-dimensional nanomaterials for biomedical applications: emerging trends and future prospects[J]. Advanced Materials, 27, 7261-7284(2015).

[15] ZHANG X, HAN W P, WU J B et al. Raman spectroscopy of shear and layer breathing modes in multilayer MoS2[J]. Physical Review B, 87, 115413.

[16] ZHAO Y Y, LUO X, LI H et al. Interlayer breathing and shear modes in few-trilayer MoS2 and WSe2[J]. Nano Letters, 13, 1007-1015(2013).

[17] GE S, LIU X, QIAO X et al. Coherent longitudinal acoustic phonon approaching THz frequency in multilayer molybdenum disulphide[J]. Scientific Reports, 4, 5722(2014).

[18] CUI Q N, CEBALLOS F, KUMAR N et al. Transient absorption microscopy of monolayer and bulk WSe2[J]. ACS Nano, 8, 2970-2976(2014).

[19] CUI Q N, LI Y Y, CHANG J H et al. Temporally resolving synchronous degenerate and nondegenerate two-photon absorption in 2D semiconducting monolayers[J]. Laser Photonics Reviews, 13, 1800225(2019).

[20] SOUBELET P, REYNOSO A A, FAINSTEIN A et al. The lifetime of interlayer breathing modes of few-layer 2H-MoSe2 membranes[J]. Nanoscale, 11, 10446-10453(2019).

[21] GANATRA R, ZHANG Q. Few-layer MoS2: a promising layered semiconductor[J]. ACS Nano, 8, 4074-4099(2014).

[22] YU K, DEVKOTA T, BEANE G et al. Brillouin oscillation from single Au nanoplate opto-acoustic transducers[J]. ACS Nano, 11, 8064-8071(2017).

[23] VIALLA F, FATTI N D. Time-domain investigations of coherent phonons in van der Waals thin films[J]. Nanomaterials, 10, 2543(2020).

[24] HU Z, CUI H, AN Z et al. Measurements of backward wave propagation using the dynamic photoelastic technique[C], 1-4(2016).

[25] TORRES-MAPA M L, SINGH M, SIMON O et al. Fabrication of a monolithic lab-on-a-chip platform with integrated hydrogel waveguides for chemical sensing[J]. Sensors, 19, 15(2019).

[26] YE Y, MAO Y. Vapor-based synthesis and micropatterning of Janus thin films with distinct surface wettability and mechanical robustness[J]. RSC Advances, 7, 24569-24575(2017).