1
|
|
2
|
Gautam V, Srivastava A, Singh KP, Yadav VL. Vibrational and gravimetric analysis of polyaniline/polysaccharide composite materials. POLYMER SCIENCE SERIES A 2016. [DOI: 10.1134/s0965545x16020085] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
3
|
Preparation and Analysis of Cello- and Xylooligosaccharides. ADVANCES IN POLYMER SCIENCE 2015. [DOI: 10.1007/12_2015_306] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
|
4
|
Chen J, Liang RH, Liu W, Liu CM, Li T, Tu ZC, Wan J. Degradation of high-methoxyl pectin by dynamic high pressure microfluidization and its mechanism. Food Hydrocoll 2012. [DOI: 10.1016/j.foodhyd.2011.12.018] [Citation(s) in RCA: 122] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
|
5
|
Barclay T, Ginic-Markovic M, Johnston MR, Cooper PD, Petrovsky N. Analysis of the hydrolysis of inulin using real time 1H NMR spectroscopy. Carbohydr Res 2012; 352:117-25. [PMID: 22464225 PMCID: PMC3324600 DOI: 10.1016/j.carres.2012.03.001] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2012] [Revised: 02/28/2012] [Accepted: 03/02/2012] [Indexed: 12/27/2022]
Abstract
The hydrolysis of various carbohydrates was investigated under acidic conditions in real time by (1)H NMR spectroscopy, with a focus on the polysaccharide inulin. Sucrose was used as a model compound to illustrate the applicability of this technique. The hydrolysis of sucrose was shown to follow pseudo first order kinetics and have an activation energy of 107.0 kJ mol(-1) (SD 1.7 kJ mol(-1)). Inulin, pullulan and glycogen also all followed pseudo first order kinetics, but had an initiation phase at least partially generated by the protonation of the glycosidic bonds. It was also demonstrated that polysaccharide chain length has an effect on the hydrolysis of inulin. For short chain inulin (DPn 18, SD 0.70) the activation energy calculated for the hydrolytic cleavage of glucose was similar to sucrose at 108.5 kJ mol(-1) (SD 0.60). For long chain inulin (DPn 30, SD 1.3) the activation energy for the hydrolytic cleavage of glucose was reduced to 80.5 kJ mol(-1) (SD 2.3 kJ mol(-1)). This anomaly has been attributed to varied conformations for the two different lengths of inulin chain in solution.
Collapse
Affiliation(s)
- Thomas Barclay
- School of Chemical and Physical Sciences, Flinders University, Adelaide, Australia 5042
| | - Milena Ginic-Markovic
- School of Chemical and Physical Sciences, Flinders University, Adelaide, Australia 5042
| | - Martin R. Johnston
- School of Chemical and Physical Sciences, Flinders University, Adelaide, Australia 5042
| | - Peter D. Cooper
- Cancer Research Laboratory, ANU Medical School at The Canberra Hospital, Australian National University, Canberra, Australia 2605
- Vaxine Pty Ltd, Flinders Medical Centre, Adelaide Australia 5042
| | - Nikolai Petrovsky
- Vaxine Pty Ltd, Flinders Medical Centre, Adelaide Australia 5042
- Department of Endocrinology, Flinders Medical Centre, Adelaide, Australia 5042
| |
Collapse
|
6
|
Maeder T, Miscoria S, Jacq C, Ryser P, Negri R. Screen-printed Electrochemical Chromium (VI) Sensing Electrodes for Effluent Bioremediation Monitoring. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.proeng.2012.09.394] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
|
7
|
Stephens CH, Shrestha B, Morris HR, Bier ME, Whitmore PM, Vertes A. Minimally invasive monitoring of cellulose degradation by desorption electrospray ionization and laser ablation electrospray ionization mass spectrometry. Analyst 2010; 135:2434-44. [DOI: 10.1039/c0an00155d] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
8
|
Stephens CH, Whitmore PM, Morris HR, Bier ME. Hydrolysis of the Amorphous Cellulose in Cotton-Based Paper. Biomacromolecules 2008; 9:1093-9. [DOI: 10.1021/bm800049w] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Catherine H. Stephens
- Art Conservation Research Center, Mellon College of Science, Carnegie Mellon University, 700 Technology Drive, Pittsburgh, Pennsylvania 15219, Center for Molecular Analysis, Mellon College of Science, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213
| | - Paul M. Whitmore
- Art Conservation Research Center, Mellon College of Science, Carnegie Mellon University, 700 Technology Drive, Pittsburgh, Pennsylvania 15219, Center for Molecular Analysis, Mellon College of Science, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213
| | - Hannah R. Morris
- Art Conservation Research Center, Mellon College of Science, Carnegie Mellon University, 700 Technology Drive, Pittsburgh, Pennsylvania 15219, Center for Molecular Analysis, Mellon College of Science, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213
| | - Mark E. Bier
- Art Conservation Research Center, Mellon College of Science, Carnegie Mellon University, 700 Technology Drive, Pittsburgh, Pennsylvania 15219, Center for Molecular Analysis, Mellon College of Science, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213
| |
Collapse
|
9
|
Thibault JF, Renard CM, Axelos MA, Roger P, Crépeau MJ. Studies of the length of homogalacturonic regions in pectins by acid hydrolysis. Carbohydr Res 1993. [DOI: 10.1016/0008-6215(93)87019-o] [Citation(s) in RCA: 173] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
|
10
|
|
11
|
Henriksnäs H, Bruun H. Molecular Weight Distribution in Starch Solutions when Hydrolised with alpha-Amylase and when Oxidised with Sodium Hypochlorite. STARCH-STARKE 1978. [DOI: 10.1002/star.19780300705] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
|