In Situ Resonance Raman Spectra of Organic Pigments in Momo Coral

2008 ◽  
Vol 19 (2) ◽  
pp. 146-151 ◽  
Author(s):  
F LUWEI ◽  
Y MINGXING
Keyword(s):  
Raman Spectra ◽  
Resonance Raman ◽  
Organic Pigments ◽  
Resonance Raman Spectra

scholarly journals Resonance Raman Spectra for the In Situ Identification of Bacteria Strains and Their Inactivation Mechanism

2021 ◽  
pp. 000370282199283
Author(s):  
Dinesh Dhankhar ◽  
Anushka Nagpal ◽  
Runze Li ◽  
Jie Chen ◽  
Thomas C. Cesario ◽  
...  
Keyword(s):  
Radiation Dose ◽  
Raman Spectra ◽  
Resonance Raman ◽  
Bacterial Strains ◽  
Short Period ◽  
Intensity Changes ◽  
Inactivation Mechanism ◽  
Identification Of Bacteria ◽  
Resonance Raman Spectra

The resonance Raman spectra of bacterial carotenoids have been employed to identify bacterial strains and their intensity changes as a function of ultraviolet (UV) radiation dose have been used to differentiate between live and dead bacteria. In addition, the resonance-enhanced Raman spectra enabled us to detect bacteria in water at much lower concentrations (∼108 cells/mL) than normally detected spectroscopically. A handheld spectrometer capable of recording resonance Raman spectra in situ was designed, constructed, and was used to record the spectra. In addition to bacteria, the method presented in this paper may also be used to identify fungi, viruses, and plants, in situ, and detect infections within a very short period of time.

scholarly journals Resonance Raman spectra for the in-situ identification of bacteria strains and their inactivation mechanism

2020 ◽  
Author(s):  
Dinesh Dhankhar ◽  
Anushka Nagpal ◽  
Runze Li ◽  
Jie Chen ◽  
Thomas C. Cesario ◽  
...  
Keyword(s):  
Raman Spectra ◽  
Resonance Raman ◽  
Bacterial Strains ◽  
Short Period ◽  
Intensity Changes ◽  
Inactivation Mechanism ◽  
Identification Of Bacteria ◽  
Resonance Raman Spectra ◽  
Pigmented Bacteria

AbstractThe resonance Raman spectra of bacterial carotenoids have been employed to identify bacterial strains and their intensity changes as a function of ultraviolet(UV) radiation dose have been used to differentiate between live and dead bacteria. The enhanced resonance Raman spectra of color-pigmented bacteria were recorded after excitation with visible light diode lasers. In addition, the resonance enhanced Raman spectra enabled us to detect bacteria in water at much lower concentrations (~108 cells/mL) than normally detected spectroscopically. A handheld spectrometer capable of recording resonance Raman spectra in-situ was designed, constructed and was used to record the spectra. In addition to bacteria, the method presented in this paper may also be used to identify fungi, viruses and plants, in-situ, and detect infections within a very short period of time.

In situ resonance Raman spectra of carotenoids in bird's feathers

1995 ◽  
Vol 26 (8-9) ◽  
pp. 683-692 ◽  
Author(s):  
M. Veronelli ◽  
G. Zerbi ◽  
R. Stradi
Keyword(s):  
Raman Spectra ◽  
Resonance Raman ◽  
Resonance Raman Spectra

scholarly journals Low-temperature resonance-Raman spectra of Japanese-lacquer-tree (Rhus vernicifera) laccase, type-2-copper-depleted laccase and H2O2-treated type-2-copper-depleted laccase

1983 ◽  
Vol 213 (2) ◽  
pp. 503-506 ◽  
Author(s):  
G Musci ◽  
A Desideri ◽  
L Morpurgo ◽  
A Garnier-Suillerot ◽  
L Tosi
Keyword(s):  
Raman Spectra ◽  
Strong Dependence ◽  
Resonance Raman ◽  
Local Symmetry ◽  
Structural Rearrangements ◽  
Blue Copper ◽  
Copper Site ◽  
Resonance Raman Spectra ◽  
Rhus Vernicifera

Resonance-Raman spectra of Japanese-lacquer-tree (Rhus vernicifera) laccase, type-2-copper-depleted laccase and the latter form treated with H2O2 were measured in liquid and frozen solution, on excitation into the 600 nm absorption band. Significant changes in intensity and/or frequency of the bands lying in the 370-430 cm-1 region were observed on freezing, indicating local structural rearrangements taking place at the blue copper site. These findings corroborate previous suggestions based on e.p.r. measurements and redox data [Morpurgo, Calabrese, Desideri & Rotilio (1981) Biochem. J. 193, 639-642]. They show the strong dependence of the physical properties of blue copper centres on local symmetry. Some conclusions on the origin of the Raman bands are also drawn.

Resonance Raman Spectra of β-Diketiminatocopper(II) Complexes

2010 ◽  
Vol 83 (10) ◽  
pp. 1162-1169
Author(s):  
Tomoko Miyazaki ◽  
Chizu Shimokawa ◽  
Toshio Matsushita ◽  
Shinobu Itoh ◽  
Junji Teraoka
Keyword(s):  
Raman Spectra ◽  
Resonance Raman ◽  
Resonance Raman Spectra
Sign in / Sign up

Export Citation Format

Share Document