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Date: 2013-09-24
|2013-09-24
|2001–1
|1993
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Language: EN
Type: Report
Identifier: valet-20130924-084135
Description: -
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Date: 2013-09-24
|2013-09-24
|2001–1
|1993
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Language: EN
Type: Report
Identifier: valet-20130924-082657
Description: -
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Date: 2013-09-24
|2013-09-24
|2001–1
|1993
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Language: EN
Type: Report
Identifier: valet-20130924-084715
Description: -
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Date: 2012-11-7
|2013-01-30
|2001–1
|1976
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Language: EN
Type: Report
Identifier: No. 33
Description: Previous work had shown that ion-exchange chromatography of metabolite-containing bark extracts on QAE-Sephadex A25 formate followed by TLC on cellulose in first, n-butanol, acetic acid water, (12:3:5
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Date: 2012-11-7
|2013-01-30
|2001–1
|1973
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Language: EN
Type: Report
Identifier: valet-20121107-08514
Description: In the previous report, evidence v/as presented that a compound (or compounds) other than ethylene was formed when ^C-2-CEPA was incubated with bark from mature Hevea brasiliensis. The extracts contai
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Date: 2012-11-7
|2013-01-30
|2001–1
|1951
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Language: EN
Type: Report
Identifier: valet-20121107-113745
Description: The use of lignin as a compounding ingredient for rubber has been known for a considerable time. Little interest was shown in this filler, however, until Keilen and Pollak showed that reinforcement co
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Date: 2012-11-7
|2013-01-30
|2001–1
|1975
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Language: EN
Type: Report
Identifier: No. 31
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Date: 2012-11-7
|2013-01-30
|2001–1
|1975
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Language: EN
Type: Report
Identifier: No. 30
Description: It is now well established that at least one of the compounds formed on incubating Hevea brasiliensis tissue with 2-chloroethylphosphonic acid (2-CEPA) is a conjugate of the acid with an unidentified
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Date: 2012-11-7
|2013-01-30
|2001–1
|1976
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Language: EN
Type: Report
Identifier: No. 37
Description: In this report the further purification by TLC of the conjugate of 2-CBPA formed in Hevea bark is described. The starting material comprised three main fractions resulting from chromatography on charc
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Date: 2012-11-7
|2013-02-04
|2001–1
|1973
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Language: EN
Type: Report
Identifier: valet-20121107-084011
Description: The ion-exchange separation of 2-CEPA, from 1-CEPA, inorganic phosphate and inorganic phosphite, a necessary 1A step in the preparation of C-2-CEPA, has been described in a previous report (Feb-March,
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Date: 2012-11-7
|2013-01-30
|2001–1
|1975
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Language: EN
Type: Report
Identifier: No. 27
Description: The last report (Nov-Dec 1973) described an investigation of the possibility that micro-organisms were responsible for the metabolism of 2-CEPA observed with pieces of bark from mature Hevea0 The resu
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Date: 2012-11-7
|2013-01-30
|2001–1
|1975
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Language: EN
Type: Report
Identifier: No. 29
Description: In the Report for May-June 1975 evidence was presented which showed that cells of Hevea grown in tissue culture (sterile conditions) metabolise 2-CEPA and that the pattern of metabolism is similar to
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Date: 2012-11-7
|2013-01-30
|2001–1
|1976
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Language: EN
Type: Report
Identifier: No. 36
Description: since it is known that hydrolysis under the above conditions completely splits the “bond between 2-CEPA and the attached residue and therefore a molar equivalent of amino would become available for re
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Date: 2012-11-7
|2013-01-30
|2001–1
|1976
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Language: EN
Type: Report
Identifier: No. 35
Description: The monthly report for January 1976 described the partial purification by ion-exchange of the conjugate of 2-CEPA produced by Hevea bark. The material 142.7umole, 83,273dps) had been purified in batch
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Date: 2012-11-7
|2013-01-30
|2001–1
|1976
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Language: EN
Type: Report
Identifier: No. 32
Description: The report for August-September 1975 described the extraction and radiochemical determination of the main metabolite formed on incubating 1ZfC-2-chloroethylphosphonic acid (2-CEPA) with excised mature
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