… twisted planar moieties form a macroscopic chiral structure (13,22). … resonant origins of
NLO chirality in RTT collagen, using SFG-V spectroscopy to probe the fine structure of the amide …

… the amide I band results in a strong chiral contribution to the … to the chiral and achiral
second-order optical nonlinearity. … structures that give rise to both the chiral and achiral optical …

… the second order nonlinearity is to produce achiral and chiral contributions, respectively. In
the collagen … by hydrogen bonds between backbone amide and carbonyl groups. The tertiary …

… structure in the nonlinear optical response. For that purpose, we compare the nonlinear
response of type I collagen … presents a negative peak at around 200 nm (π−π* amide transition) …

… native protein structures, including collagen networks and … high sensitivity of second-order
NLO measurements to chirality at … the second-order nonlinear polarizability of a model amide …

… the molecular origins of collagen second-order susceptibility … ) signal that has led to effective
nonlinear imaging of many tissues … (18) have found that in addition to the amide group in the …

… , fundamental nonlinear optical properties of type I collagen … chiral signals in the amide I
region, while β-sheets produce … Studies of amyloid structures with coherent second-order optical …

… We provide a brief overview of the origin of second harmonic … molecular structure. NLOPredict
enables estimation of the … on the basis of coherent summation of the amide units (15, 16). …

… molecular origin of the second-order susceptibility of type I collagen … in the amide I region
are sensitive toward the fiber structure … We showed that, for randomly oriented fibers, the chiral …

… the molecular origins of second order optical nonlinear effects in … the collective contribution
of amide A and amide I groups that … to the chirality of the collagen structure is experimentally …