scholarly journals The Evaluation for Alterations of DOM Components from Upstream to Downstream Flow of Rivers in Toyama (Japan) Using Three-Dimensional Excitation-Emission Matrix Fluorescence Spectroscopy

2011 ◽  
Vol 8 (5) ◽  
pp. 1655-1670 ◽  
Author(s):  
Kazuto Sazawa ◽  
Masaki Tachi ◽  
Takatoshi Wakimoto ◽  
Takanori Kawakami ◽  
Noriko Hata ◽  
...  
Keyword(s):  
Fluorescence Spectroscopy ◽  
Three Dimensional ◽  
Excitation Emission Matrix ◽  
Downstream Flow

Three dimensional excitation-emission matrix fluorescence spectroscopy of typical Japanese soil powders

2020 ◽  
Vol 233 ◽  
pp. 118188
Author(s):  
Yuki Nakaya ◽  
Satoru Nakashima ◽  
Mihoko Moriizumi ◽  
Masahiro Oguchi ◽  
Shinsuke Kashiwagi ◽  
...  
Keyword(s):  
Fluorescence Spectroscopy ◽  
Three Dimensional ◽  
Excitation Emission Matrix

Three-dimensional excitation emission matrix fluorescence spectroscopy and gel-permeating chromatography to characterize extracellular polymeric substances in aerobic granulation

2010 ◽  
Vol 61 (11) ◽  
pp. 2931-2942 ◽  
Author(s):  
Huacheng Xu ◽  
Pinjing He ◽  
Guanzhao Wang ◽  
Liming Shao
Keyword(s):  
Molecular Weight ◽  
Fluorescence Spectroscopy ◽  
Extracellular Polymeric Substances ◽  
Operating Time ◽  
Three Dimensional ◽  
Aerobic Granules ◽  
Aerobic Granulation ◽  
Excitation Emission Matrix ◽  
Two Peaks ◽  
Eem Fluorescence

Three-dimensional excitation emission matrix (EEM) fluorescence spectroscopy and gel-permeating chromatography (GPC) were employed to characterize the extracellular polymeric substances (EPS) in aerobic granulation. EPS matrix in this study was stratified into four fractions: (1) supernatant, (2) slime, (3) loosely bound EPS (LB-EPS), and (4) tightly bound EPS (TB-EPS). The results showed that the dissolved organic carbon was mainly distributed in TB-EPS fraction, and increased with increasing the operating time. The supernatant, slime, and LB-EPS fractions exhibited four fluorescence peaks, an autochthonous signature, unimodal MW distribution and lower molecular weight (MW) (3 < log [MW]<5), whereas the TB-EPS fraction only had two peaks, an allochthonous signature, multiple peaks and higher MW (5 < log [MW]<7). It was deemed that the formation of aerobic granules was correlated with the accumulation of proteins in the TB-EPS fraction. EEM spectroscopy and GPC profiles could be used as appropriate and effective methods to characterize the EPS in aerobic granulation from a micro-view level.

An analytical method for monitoring micro-traces of landfill leachate in groundwater using fluorescence excitation–emission matrix spectroscopy

2016 ◽  
Vol 8 (17) ◽  
pp. 3475-3480 ◽  
Author(s):  
Diana Amorello ◽  
Salvatore Barreca ◽  
Silvia Gambacurta ◽  
Maria Grazia Gulotta ◽  
Santino Orecchio ◽  
...  
Keyword(s):  
Fluorescence Spectroscopy ◽  
Landfill Leachate ◽  
Natural Water ◽  
Analytical Method ◽  
Three Dimensional ◽  
Water Bodies ◽  
Fluorescence Excitation ◽  
Excitation Emission Matrix ◽  
Natural Water Bodies ◽  
Eem Fluorescence

In this study, we use three-dimensional excitation–emission matrix (EEM) fluorescence spectroscopy for the identification of contamination of natural water bodies by landfill leachate.

Evaluating Soil Dissolved Organic Matter Extraction Using Three-Dimensional Excitation-Emission Matrix Fluorescence Spectroscopy

Pedosphere ◽  
2017 ◽  
Vol 27 (5) ◽  
pp. 968-973 ◽  
Author(s):  
Wenming XIE ◽  
Shanshan ZHANG ◽  
Lin RUAN ◽  
Mingyue YANG ◽  
Weiming SHI ◽  
...  
Keyword(s):  
Organic Matter ◽  
Fluorescence Spectroscopy ◽  
Dissolved Organic Matter ◽  
Three Dimensional ◽  
Excitation Emission Matrix

Effects of Culture Time on the Production of Bioflocculants

2010 ◽  
Vol 113-116 ◽  
pp. 797-800
Author(s):  
Li Li Wang ◽  
Fang Ma ◽  
Li Wei ◽  
Bing Yu ◽  
Jie Xing
Keyword(s):  
Fluorescence Spectroscopy ◽  
Mixed Culture ◽  
Three Dimensional ◽  
Growth Curves ◽  
Rhizobium Radiobacter ◽  
Excitation Emission Matrix ◽  
Culture Time ◽  
Flocculating Activity ◽  
Eem Fluorescence

Bioflocculant MBF-F2, MBF-F+, and MBF-F6, produced form culture of Rhizobium radiobacter F2, mixed culture of Rhizobium radiobacter F2 and Bacillus sphaeicus F6, and Bacillus sphaeicus F6, respectively, were investigated with regard to their production properties. The growth curves of the microorganisms were investigated. Effect of culture time on the flocculating activity and yield of bioflocculant were examined. Based on these experiments, 24 h was chosen as culture time in this study. In addition, three-dimensional excitation-emission matrix (EEM) fluorescence spectroscopy was applied to characterize the production of the bioflocculants under different culture time.

Sign in / Sign up

Export Citation Format

Share Document