Amino sugars. XVI. Partial acetylation and deacetylation of methyl 3-acetamido-3,6-dideoxy-α-L-idopyranoside derivatives

1968 ◽  
Vol 33 (3) ◽  
pp. 781-787 ◽  
Author(s):  
K. Čapek ◽  
J. Šteffková ◽  
J. Jarý
Keyword(s):  
Amino Sugars

Amino sugars. XXVII. The synthesis of derivatives of 3-amino-3,4,6-trideoxy-D- or L-xylo-hexopyranose

1972 ◽  
Vol 37 (9) ◽  
pp. 2985-2993 ◽  
Author(s):  
K. Kefurt ◽  
K. Čapek ◽  
J. Čapková ◽  
Z. Kefurtová ◽  
J. Jarý
Keyword(s):  
Amino Sugars ◽  
Derivatives Of

Amino acids and amino sugars as indicators of the source and degradation state of sedimentary organic matter

2021 ◽  
Vol 230 ◽  
pp. 103931
Author(s):  
Jin-E Wei ◽  
Yan Chen ◽  
Jian Wang ◽  
Shi-Bo Yan ◽  
Hong-Hai Zhang ◽  
...  
Keyword(s):  
Amino Acids ◽  
Organic Matter ◽  
Sedimentary Organic Matter ◽  
Amino Sugars ◽  
Degradation State

scholarly journals Divergent Accumulation of Microbial Residues and Amino Sugars in Loess Soil after Six Years of Different Inorganic Nitrogen Enrichment Scenarios

2021 ◽  
Vol 11 (13) ◽  
pp. 5788
Author(s):  
Dominic Kwadwo Anning ◽  
Zhilong Li ◽  
Huizhen Qiu ◽  
Delei Deng ◽  
Chunhong Zhang ◽  
...  
Keyword(s):  
Plant Biomass ◽  
Inorganic Nitrogen ◽  
Amino Sugar ◽  
N Fertilization ◽  
Biochemical Properties ◽  
Sugar Accumulation ◽  
Amino Sugars ◽  
N Enrichment ◽  
Over Time ◽  
Microbial Residues

Amino sugars are key microbial biomarkers for determining the contribution of microbial residues in soil organic matter (SOM). However, it remains largely unclear as to what extent inorganic nitrogen (N) fertilization can lead to the significant degradation of SOM in alkaline agricultural soils. A six-year field experiment was conducted from 2013 to 2018 to evaluate the effects of chronic N enrichment on microbial residues, amino sugars, and soil biochemical properties under four nitrogen (urea, 46% N) fertilization scenarios: 0 (no-N, control), 75 (low-N), 225 (medium-N), and 375 (high-N) kg N ha−1. The results showed that chronic N enrichment stimulated microbial residues and amino sugar accumulation over time. The medium-N treatment increased the concentration of muramic acid (15.77%), glucosamine (13.55%), galactosamine (18.84%), bacterial residues (16.88%), fungal residues (11.31%), and total microbial residues (12.57%) compared to the control in 2018; however, these concentrations were comparable to the high-N treatment concentrations. The ratio of glucosamine to galactosamine and of glucosamine to muramic acid decreased over time due to a larger increase in bacterial residues as compared to fungal residues. Microbial biomass, soil organic carbon, and aboveground plant biomass positively correlated with microbial residues and amino sugar components. Chronic N enrichment improved the soil biochemical properties and aboveground plant biomass, which stimulated microbial residues and amino sugar accumulation over time.

The effects of pH, bromide and nitrite on halonitromethane and trihalomethane formation from amino acids and amino sugars

Chemosphere ◽  
2012 ◽  
Vol 86 (4) ◽  
pp. 323-328 ◽  
Author(s):  
Junhong Shan ◽  
Jia Hu ◽  
S. Sule Kaplan-Bekaroglu ◽  
Hocheol Song ◽  
Tanju Karanfil
Keyword(s):  
Amino Acids ◽  
Amino Sugars ◽  
Effects Of Ph
Sign in / Sign up

Export Citation Format

Share Document