Partial-wave microscopic spectroscopy detects subwavelength refractive index fluctuations: an application to cancer diagnosis.
Partial-wave microscopic spectroscopy detects subwavelength refractive index fluctuations: an application to cancer diagnosis.
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DOI:
10.1364/ol.34.000518
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发表时间:
2009-02-15
期刊:
影响因子:
3.6
通讯作者:
Backman V
中科院分区:
文献类型:
--
作者:
Subramanian H;Pradhan P;Liu Y;Capoglu IR;Rogers JD;Roy HK;Brand RE;Backman V
Existing optical imaging techniques offer us powerful tools to directly visualize the cellular structure at the microscale; however, their capability of nanoscale sensitivity is restricted by the diffraction-limited resolution. We show that mesoscopic light transport theory analysis of the spectra of partial waves propagating within a weakly disordered medium such as biological cells (i.e. partialwave spectroscopy, PWS) quantifies refractive index fluctuations at subdiffractional length scales. We validate this nanoscale sensitivity of PWS using rigorous Finitedifference time-domain (FDTD) simulations and experiments with nanostructured models. We also demonstrate the potential of this technique to detect nanoscale alterations in cells from patients with pancreatic cancer who are otherwise classified as normal by conventional microscopic histopathology.
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DOI:
10.1051/jphys:01987004804050900
发表时间:
1987-04-01
期刊:
JOURNAL DE PHYSIQUE
影响因子:
--
作者:
RAMMAL, R;DOUCOT, B
通讯作者:
DOUCOT, B
DOI:
10.1073/pnas.0804723105
发表时间:
2008-12-23
影响因子:
11.1
作者:
Subramanian, Hariharan;Pradhan, Prabhakar;Backman, Vadim
通讯作者:
Backman, Vadim
影响因子:
1.9
作者:
QU, JN;MACAULAY, C;PALCIC, B
通讯作者:
PALCIC, B
影响因子:
4
作者:
Chen, K;Taflove, A;Backman, V
通讯作者:
Backman, V
影响因子:
3.5
作者:
Bartek, Matthew;Wang, Xin;Pogue, Brian W.
通讯作者:
Pogue, Brian W.