Abstract The Beer‐Lambert law is unquestionably the most important law in optical
spectroscopy and indispensable for the qualitative and quantitative interpretation of …

Infrared (IR; or mid-infrared, MIR; 4000-400 cm− 1; 2500–25,000 nm) spectroscopy has
become one of the most powerful and versatile tools at the disposal of modern bioscience …

γ-Graphyne is the most symmetric sp2/sp1 allotrope of carbon, which can be viewed as
graphene uniformly expanded through the insertion of two-carbon acetylenic units between …

IR spectroscopy is an excellent method for biological analyses. It enables the
nonperturbative, label-free extraction of biochemical information and images toward …

Optical microscopy for biomedical samples requires expertise in staining to visualize
structure and composition. Midinfrared (mid-IR) spectroscopic imaging offers label-free …

This paper reports the first use of a novel completely optically based photothermal method
(O-PTIR) for obtaining infrared spectra of both fixed and living cells using a quantum …

Pathology is essential for research in disease and development, as well as for clinical
decision making. For more than 100 years, pathology practice has involved analyzing …

Optical chemical imaging seeks to nondestructively acquire spatially resolved chemical
information without the use of labels or probes. The combination of vibrational mid-infrared …

Vibrational spectroscopy and imaging promise molecular information that can be rapidly
acquired without the need for specialized stains or dyes, thereby potentially simplifying and …

This review article includes an introduction to the principals of Raman spectroscopy, an
outline of the experimental systems used for Raman imaging and the associated important …