CH633582A5 - Verfahren zur bestimmung des amylasegehalts von proben und mittel zur ausfuehrung des verfahrens. - Google Patents
Verfahren zur bestimmung des amylasegehalts von proben und mittel zur ausfuehrung des verfahrens. Download PDFInfo
- Publication number
- CH633582A5 CH633582A5 CH864077A CH864077A CH633582A5 CH 633582 A5 CH633582 A5 CH 633582A5 CH 864077 A CH864077 A CH 864077A CH 864077 A CH864077 A CH 864077A CH 633582 A5 CH633582 A5 CH 633582A5
- Authority
- CH
- Switzerland
- Prior art keywords
- substrate
- formula
- solution
- maltase
- radical
- Prior art date
Links
- 239000004382 Amylase Substances 0.000 title claims description 33
- 238000000034 method Methods 0.000 title claims description 23
- 108010065511 Amylases Proteins 0.000 title claims description 18
- 102000013142 Amylases Human genes 0.000 title claims description 18
- 235000019418 amylase Nutrition 0.000 title claims description 18
- 239000000758 substrate Substances 0.000 claims description 58
- 108010028144 alpha-Glucosidases Proteins 0.000 claims description 21
- 102000016679 alpha-Glucosidases Human genes 0.000 claims description 19
- 150000004676 glycans Chemical class 0.000 claims description 15
- 229920001282 polysaccharide Polymers 0.000 claims description 15
- 239000005017 polysaccharide Substances 0.000 claims description 15
- 125000000636 p-nitrophenyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)[N+]([O-])=O 0.000 claims description 14
- -1 aromatic radical Chemical class 0.000 claims description 12
- 238000012360 testing method Methods 0.000 claims description 12
- 230000008033 biological extinction Effects 0.000 claims description 10
- 239000003153 chemical reaction reagent Substances 0.000 claims description 9
- 150000002338 glycosides Chemical group 0.000 claims description 7
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- FJCUPROCOFFUSR-GMMZZHHDSA-N maltopentaose Chemical compound O[C@@H]1[C@@H](O)[C@@H](O[C@H]([C@H](O)CO)[C@H](O)[C@@H](O)C=O)O[C@H](CO)[C@H]1O[C@@H]1[C@H](O)[C@@H](O)[C@H](O[C@@H]2[C@@H]([C@@H](O)[C@H](O[C@@H]3[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O3)O)[C@@H](CO)O2)O)[C@@H](CO)O1 FJCUPROCOFFUSR-GMMZZHHDSA-N 0.000 claims description 6
- 230000003595 spectral effect Effects 0.000 claims description 6
- FTNIPWXXIGNQQF-UHFFFAOYSA-N UNPD130147 Natural products OC1C(O)C(O)C(CO)OC1OC1C(CO)OC(OC2C(OC(OC3C(OC(OC4C(OC(O)C(O)C4O)CO)C(O)C3O)CO)C(O)C2O)CO)C(O)C1O FTNIPWXXIGNQQF-UHFFFAOYSA-N 0.000 claims description 5
- LUEWUZLMQUOBSB-UHFFFAOYSA-N UNPD55895 Natural products OC1C(O)C(O)C(CO)OC1OC1C(CO)OC(OC2C(OC(OC3C(OC(O)C(O)C3O)CO)C(O)C2O)CO)C(O)C1O LUEWUZLMQUOBSB-UHFFFAOYSA-N 0.000 claims description 5
- OCIBBXPLUVYKCH-QXVNYKTNSA-N alpha-maltohexaose Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@@H]1O[C@@H]1[C@@H](CO)O[C@H](O[C@@H]2[C@H](O[C@H](O[C@@H]3[C@H](O[C@H](O[C@@H]4[C@H](O[C@H](O[C@@H]5[C@H](O[C@H](O)[C@H](O)[C@H]5O)CO)[C@H](O)[C@H]4O)CO)[C@H](O)[C@H]3O)CO)[C@H](O)[C@H]2O)CO)[C@H](O)[C@H]1O OCIBBXPLUVYKCH-QXVNYKTNSA-N 0.000 claims description 5
- DJMVHSOAUQHPSN-UHFFFAOYSA-N malto-hexaose Natural products OC1C(O)C(OC(C(O)CO)C(O)C(O)C=O)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(OC4C(C(O)C(O)C(CO)O4)O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 DJMVHSOAUQHPSN-UHFFFAOYSA-N 0.000 claims description 5
- FJCUPROCOFFUSR-UHFFFAOYSA-N malto-pentaose Natural products OC1C(O)C(OC(C(O)CO)C(O)C(O)C=O)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 FJCUPROCOFFUSR-UHFFFAOYSA-N 0.000 claims description 5
- UYQJCPNSAVWAFU-UHFFFAOYSA-N malto-tetraose Natural products OC1C(O)C(OC(C(O)CO)C(O)C(O)C=O)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(O)C(CO)O2)O)C(CO)O1 UYQJCPNSAVWAFU-UHFFFAOYSA-N 0.000 claims description 5
- LUEWUZLMQUOBSB-OUBHKODOSA-N maltotetraose Chemical compound O[C@H]1[C@H](O)[C@@H](O)[C@H](CO)O[C@H]1O[C@@H]1[C@H](CO)O[C@@H](O[C@@H]2[C@@H](O[C@@H](O[C@@H]3[C@@H](O[C@@H](O)[C@H](O)[C@H]3O)CO)[C@H](O)[C@H]2O)CO)[C@H](O)[C@H]1O LUEWUZLMQUOBSB-OUBHKODOSA-N 0.000 claims description 5
- 150000003254 radicals Chemical class 0.000 claims description 5
- 229930182470 glycoside Natural products 0.000 claims description 4
- TWCMVXMQHSVIOJ-UHFFFAOYSA-N Aglycone of yadanzioside D Natural products COC(=O)C12OCC34C(CC5C(=CC(O)C(O)C5(C)C3C(O)C1O)C)OC(=O)C(OC(=O)C)C24 TWCMVXMQHSVIOJ-UHFFFAOYSA-N 0.000 claims description 3
- PLMKQQMDOMTZGG-UHFFFAOYSA-N Astrantiagenin E-methylester Natural products CC12CCC(O)C(C)(CO)C1CCC1(C)C2CC=C2C3CC(C)(C)CCC3(C(=O)OC)CCC21C PLMKQQMDOMTZGG-UHFFFAOYSA-N 0.000 claims description 3
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 150000002367 halogens Chemical class 0.000 claims description 3
- PFOARMALXZGCHY-UHFFFAOYSA-N homoegonol Natural products C1=C(OC)C(OC)=CC=C1C1=CC2=CC(CCCO)=CC(OC)=C2O1 PFOARMALXZGCHY-UHFFFAOYSA-N 0.000 claims description 3
- ZHCAAFJSYLFLPX-UHFFFAOYSA-N nitrocyclohexatriene Chemical compound [O-][N+](=O)C1=CC=C=C[CH]1 ZHCAAFJSYLFLPX-UHFFFAOYSA-N 0.000 claims description 3
- CBOIHMRHGLHBPB-UHFFFAOYSA-N hydroxymethyl Chemical compound O[CH2] CBOIHMRHGLHBPB-UHFFFAOYSA-N 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 description 23
- 239000000523 sample Substances 0.000 description 19
- 230000035945 sensitivity Effects 0.000 description 16
- 102000004190 Enzymes Human genes 0.000 description 11
- 108090000790 Enzymes Proteins 0.000 description 11
- 229940088598 enzyme Drugs 0.000 description 11
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 8
- 239000008103 glucose Substances 0.000 description 8
- BTJIUGUIPKRLHP-UHFFFAOYSA-N 4-nitrophenol Chemical compound OC1=CC=C([N+]([O-])=O)C=C1 BTJIUGUIPKRLHP-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000003085 diluting agent Substances 0.000 description 6
- 125000002791 glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 description 6
- 229920001542 oligosaccharide Polymers 0.000 description 6
- 150000002482 oligosaccharides Chemical class 0.000 description 6
- 230000007062 hydrolysis Effects 0.000 description 5
- 238000006460 hydrolysis reaction Methods 0.000 description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 150000002989 phenols Chemical class 0.000 description 4
- 239000012064 sodium phosphate buffer Substances 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 210000002966 serum Anatomy 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- BTJIUGUIPKRLHP-UHFFFAOYSA-M 4-nitrophenolate Chemical compound [O-]C1=CC=C([N+]([O-])=O)C=C1 BTJIUGUIPKRLHP-UHFFFAOYSA-M 0.000 description 2
- 102100024295 Maltase-glucoamylase Human genes 0.000 description 2
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 125000003147 glycosyl group Chemical group 0.000 description 2
- 210000003296 saliva Anatomy 0.000 description 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 2
- 210000002700 urine Anatomy 0.000 description 2
- OWEGMIWEEQEYGQ-UHFFFAOYSA-N 100676-05-9 Natural products OC1C(O)C(O)C(CO)OC1OCC1C(O)C(O)C(O)C(OC2C(OC(O)C(O)C2O)CO)O1 OWEGMIWEEQEYGQ-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 241000282412 Homo Species 0.000 description 1
- GUBGYTABKSRVRQ-PICCSMPSSA-N Maltose Natural products O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@@H]1O[C@@H]1[C@@H](CO)OC(O)[C@H](O)[C@H]1O GUBGYTABKSRVRQ-PICCSMPSSA-N 0.000 description 1
- 206010033645 Pancreatitis Diseases 0.000 description 1
- 206010033647 Pancreatitis acute Diseases 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920005654 Sephadex Polymers 0.000 description 1
- 239000012507 Sephadex™ Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 201000003229 acute pancreatitis Diseases 0.000 description 1
- 102000004139 alpha-Amylases Human genes 0.000 description 1
- 108090000637 alpha-Amylases Proteins 0.000 description 1
- 229940024171 alpha-amylase Drugs 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 108010089934 carbohydrase Proteins 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000013375 chromatographic separation Methods 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006196 deacetylation Effects 0.000 description 1
- 238000003381 deacetylation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006911 enzymatic reaction Methods 0.000 description 1
- 230000009229 glucose formation Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004811 liquid chromatography Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- XELZGAJCZANUQH-UHFFFAOYSA-N methyl 1-acetylthieno[3,2-c]pyrazole-5-carboxylate Chemical compound CC(=O)N1N=CC2=C1C=C(C(=O)OC)S2 XELZGAJCZANUQH-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 229940031826 phenolate Drugs 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 210000003079 salivary gland Anatomy 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 229910001961 silver nitrate Inorganic materials 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- YNJBWRMUSHSURL-UHFFFAOYSA-N trichloroacetic acid Chemical compound OC(=O)C(Cl)(Cl)Cl YNJBWRMUSHSURL-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/34—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving hydrolase
- C12Q1/40—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving hydrolase involving amylase
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q2334/00—O-linked chromogens for determinations of hydrolase enzymes, e.g. glycosidases, phosphatases, esterases
- C12Q2334/10—O-linked chromogens for determinations of hydrolase enzymes, e.g. glycosidases, phosphatases, esterases p-Nitrophenol derivatives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microbiology (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Biotechnology (AREA)
- Biophysics (AREA)
- Analytical Chemistry (AREA)
- Immunology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
- Saccharide Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US70497676A | 1976-07-13 | 1976-07-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH633582A5 true CH633582A5 (de) | 1982-12-15 |
Family
ID=24831606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH864077A CH633582A5 (de) | 1976-07-13 | 1977-07-12 | Verfahren zur bestimmung des amylasegehalts von proben und mittel zur ausfuehrung des verfahrens. |
Country Status (12)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4102747A (en) * | 1977-07-28 | 1978-07-25 | American Hospital Supply Corporation | Amylase determination |
| DE2741192C2 (de) * | 1977-09-13 | 1982-07-01 | Boehringer Mannheim Gmbh, 6800 Mannheim | Verfahren zur Bestimmung von alpha- Amylase |
| DE2755803A1 (de) * | 1977-12-14 | 1979-06-21 | Boehringer Mannheim Gmbh | Verfahren und reagens zur bestimmung von alpha-amylase |
| AT362526B (de) * | 1977-09-13 | 1981-05-25 | Boehringer Mannheim Gmbh | Verfahren und reagens zur bestimmung von alpha- -amylase |
| DE2752501A1 (de) * | 1977-11-24 | 1979-05-31 | Kurt Prof Dr Wallenfels | Mit indikatorgruppen substituierte alpha-d-maltodextrine, verfahren zu deren herstellung und ihre verwendung zur bestimmung von glukosidasen und amylasen |
| JPS5768798A (en) * | 1980-10-14 | 1982-04-27 | Toyo Jozo Co Ltd | Novel measurement of amylase activity |
| DE3328616A1 (de) * | 1983-08-08 | 1985-02-28 | Boehringer Mannheim Gmbh, 6800 Mannheim | Oligoglucosidderivate |
| US4649108A (en) * | 1984-07-26 | 1987-03-10 | Genzyme Corporation | Alpha amylase assay |
| US4963479A (en) * | 1986-10-07 | 1990-10-16 | Hoechst Celanese Corporation | Reagent system for an alpha-amylase assay containing aromatic substituted glycoside |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2094693A (en) * | 1935-06-17 | 1937-10-05 | Trojan Powder Co | Nitration of sugars and their glycosides |
| FR1508496A (fr) * | 1966-01-20 | 1968-01-05 | Warner Lambert Pharmaceutical | Produit et procédé pour le dosage de l'amylase |
| GB1167083A (en) * | 1966-01-20 | 1969-10-15 | Warner Lambert Pharmaceutical | Assay Method for Amylase |
| SE336915B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1968-01-15 | 1971-07-19 | Pharmacia Ab | |
| CA973499A (en) * | 1970-07-28 | 1975-08-26 | Hayashibara, Ken | Process for the preparation of amylose as the substrate for the quantitative analysis of amylose |
| US3879263A (en) * | 1973-09-06 | 1975-04-22 | Du Pont | Method for the determination of amylase |
| JPS5185790A (en) * | 1975-01-24 | 1976-07-27 | Ono Pharmaceutical Co | Hitononyooyobitaiekinogurukoamiraazenobiryoteiryoho |
| CA1096376A (en) * | 1976-07-13 | 1981-02-24 | William B. Farnham | Process for preparing nitroaromatic glycosides |
-
1977
- 1977-07-11 CA CA000282419A patent/CA1104912A/en not_active Expired
- 1977-07-11 NL NL7707682A patent/NL179399C/xx not_active IP Right Cessation
- 1977-07-12 DK DK315777A patent/DK155751C/da not_active IP Right Cessation
- 1977-07-12 DE DE19772731421 patent/DE2731421A1/de active Granted
- 1977-07-12 CH CH864077A patent/CH633582A5/de not_active IP Right Cessation
- 1977-07-12 BE BE179280A patent/BE856737A/xx not_active IP Right Cessation
- 1977-07-12 IT IT2565377A patent/IT1114891B/it active
- 1977-07-12 FR FR7721470A patent/FR2358660A1/fr active Granted
- 1977-07-13 IE IE145577A patent/IE45395B1/en not_active IP Right Cessation
- 1977-07-13 GB GB2950477A patent/GB1571642A/en not_active Expired
- 1977-07-13 LU LU77751A patent/LU77751A1/xx unknown
- 1977-07-13 JP JP8400177A patent/JPS5311092A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| NL7707682A (nl) | 1978-01-17 |
| NL179399B (nl) | 1986-04-01 |
| BE856737A (fr) | 1978-01-12 |
| NL179399C (nl) | 1986-09-01 |
| JPS5311092A (en) | 1978-02-01 |
| CA1104912A (en) | 1981-07-14 |
| DK155751B (da) | 1989-05-08 |
| FR2358660B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1983-08-12 |
| FR2358660A1 (fr) | 1978-02-10 |
| DK315777A (da) | 1978-01-14 |
| DK155751C (da) | 1989-10-23 |
| DE2731421A1 (de) | 1978-02-09 |
| LU77751A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-02-02 |
| IE45395B1 (en) | 1982-08-11 |
| DE2731421C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-07-07 |
| GB1571642A (en) | 1980-07-16 |
| IT1114891B (it) | 1986-01-27 |
| IE45395L (en) | 1978-01-12 |
| JPS5753079B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-11-11 |
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