Class information for: |
Basic class information |
| Class id | #P | Avg. number of references |
Database coverage of references |
|---|---|---|---|
| 13179 | 855 | 35.1 | 67% |
Hierarchy of classes |
The table includes all classes above and classes immediately below the current class. |
| Cluster id | Level | Cluster label | #P |
|---|---|---|---|
| 1 | 4 | ECONOMICS//EDUCATION & EDUCATIONAL RESEARCH//PSYCHOL | 3876184 |
| 341 | 3 | SMOKING CESSATION//SMOKING//TOBACCO CONTROL | 36872 |
| 18 | 2 | SMOKING CESSATION//SMOKING//TOBACCO CONTROL | 36872 |
| 13179 | 1 | NNK//TOBACCO SPECIFIC NITROSAMINES//TOBACCO SPECIFIC N NITROSAMINES | 855 |
Terms with highest relevance score |
| rank | Term | termType | Chi square | Shr. of publ. in class containing term |
Class's shr. of term's tot. occurrences |
#P with term in class |
|---|---|---|---|---|---|---|
| 1 | NNK | authKW | 904356 | 8% | 38% | 66 |
| 2 | TOBACCO SPECIFIC NITROSAMINES | authKW | 899571 | 5% | 55% | 46 |
| 3 | TOBACCO SPECIFIC N NITROSAMINES | authKW | 537166 | 2% | 79% | 19 |
| 4 | NNAL | authKW | 463195 | 2% | 62% | 21 |
| 5 | 4 METHYLNITROSAMINO 1 3 PYRIDYL 1 BUTANONE NNK | authKW | 365231 | 2% | 68% | 15 |
| 6 | MYOSMINE | authKW | 270068 | 1% | 69% | 11 |
| 7 | 4 METHYLNITROSAMINO 1 3 PYRIDYL 1 BUTANOL | authKW | 241054 | 1% | 75% | 9 |
| 8 | 4 METHYLNITROSAMINO 1 3 PYRIDYL 1 BUTANONE | authKW | 186601 | 2% | 29% | 18 |
| 9 | TOBACCO SPECIFIC N NITROSAMINES TSNA | authKW | 178562 | 1% | 100% | 5 |
| 10 | N NITROSONORNICOTINE NNN | authKW | 163250 | 1% | 57% | 8 |
Web of Science journal categories |
| Rank | Term | Chi square | Shr. of publ. in class containing term |
Class's shr. of term's tot. occurrences |
#P with term in class |
|---|---|---|---|---|---|
| 1 | Toxicology | 5737 | 25% | 0% | 212 |
| 2 | Oncology | 5345 | 41% | 0% | 353 |
| 3 | Chemistry, Medicinal | 781 | 10% | 0% | 82 |
| 4 | Agriculture, Multidisciplinary | 345 | 5% | 0% | 39 |
| 5 | Food Science & Technology | 341 | 8% | 0% | 71 |
| 6 | Public, Environmental & Occupational Health | 243 | 8% | 0% | 70 |
| 7 | Chemistry, Analytical | 205 | 8% | 0% | 69 |
| 8 | Chemistry, Multidisciplinary | 149 | 11% | 0% | 98 |
| 9 | Chemistry, Applied | 149 | 5% | 0% | 40 |
| 10 | Biochemical Research Methods | 64 | 4% | 0% | 33 |
Address terms |
| Rank | Term | Chi square | Shr. of publ. in class containing term |
Class's shr. of term's tot. occurrences |
#P with term in class |
|---|---|---|---|---|---|
| 1 | CANC ETIOL CHEMOPREVENT | 114270 | 1% | 40% | 8 |
| 2 | SICHUAN TECH | 107137 | 0% | 100% | 3 |
| 3 | GRP INTEGRAT PHARMACOL SYST NEUROSCI | 71425 | 0% | 100% | 2 |
| 4 | QUAL SUPERVIS TEST STN | 71425 | 0% | 100% | 2 |
| 5 | IND ECOL CHEM | 71421 | 0% | 50% | 4 |
| 6 | WALTHER STRAUB | 59514 | 1% | 33% | 5 |
| 7 | CIGARETTE SMOKE | 53560 | 1% | 25% | 6 |
| 8 | MASONIC CANC | 52645 | 4% | 4% | 36 |
| 9 | HARMFUL COMPONENTS TAR REDUCT CIGARETTE | 45913 | 0% | 43% | 3 |
| 10 | MASON CANC | 41511 | 3% | 5% | 24 |
Journals |
| Rank | Term | Chi square | Shr. of publ. in class containing term |
Class's shr. of term's tot. occurrences |
#P with term in class |
|---|---|---|---|---|---|
| 1 | CARCINOGENESIS | 40073 | 13% | 1% | 114 |
| 2 | CHEMICAL RESEARCH IN TOXICOLOGY | 33644 | 8% | 1% | 70 |
| 3 | IARC SCIENTIFIC PUBLICATIONS | 18176 | 1% | 6% | 9 |
| 4 | IARC PUBLICATIONS | 10592 | 1% | 4% | 7 |
| 5 | BEITRAGE ZUR TABAKFORSCHUNG INTERNATIONAL | 9172 | 1% | 4% | 6 |
| 6 | CRITICAL REVIEWS IN TOXICOLOGY | 7528 | 1% | 2% | 12 |
| 7 | CANCER LETTERS | 5419 | 5% | 0% | 43 |
| 8 | CANCER EPIDEMIOLOGY BIOMARKERS & PREVENTION | 5417 | 4% | 0% | 31 |
| 9 | CANCER RESEARCH | 3343 | 7% | 0% | 61 |
| 10 | JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART C-ENVIRONMENTAL CARCINOGENESIS REVIEWS | 2974 | 0% | 8% | 1 |
Author Key Words |
Core articles |
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c: (1) Number of references referring to publications in the class. (2) Share of total number of active references referring to publications in the class. (3) Age of the article. New articles get higher score than old articles. (4) Citation rate, normalized to year. |
| Rank | Reference | # ref. in cl. |
Shr. of ref. in cl. |
Citations |
|---|---|---|---|---|
| 1 | HECHT, SS , (1998) BIOCHEMISTRY, BIOLOGY, AND CARCINOGENICITY OF TOBACCO-SPECIFIC N-NITROSAMINES.CHEMICAL RESEARCH IN TOXICOLOGY. VOL. 11. ISSUE 6. P. 559 -603 | 214 | 55% | 578 |
| 2 | HECHT, SS , STEPANOV, I , CARMELLA, SG , (2016) EXPOSURE AND METABOLIC ACTIVATION BIOMARKERS OF CARCINOGENIC TOBACCO-SPECIFIC NITROSAMINES.ACCOUNTS OF CHEMICAL RESEARCH. VOL. 49. ISSUE 1. P. 106 -114 | 47 | 85% | 3 |
| 3 | RICHTER, E , ENGL, J , FRIESENEGGER, S , TRICKER, AR , (2009) BIOTRANSFORMATION OF 4-(METHYLNITROSAMINO)-1-(3-PYRIDYL)-1-BUTANONE IN LUNG TISSUE FROM MOUSE, RAT, HAMSTER, AND MAN.CHEMICAL RESEARCH IN TOXICOLOGY. VOL. 22. ISSUE 6. P. 1008 -1017 | 62 | 73% | 14 |
| 4 | SHAH, KA , KARNES, HT , (2010) A REVIEW OF THE ANALYSIS OF TOBACCO-SPECIFIC NITROSAMINES IN BIOLOGICAL MATRICES.CRITICAL REVIEWS IN TOXICOLOGY. VOL. 40. ISSUE 4. P. 305-327 | 72 | 58% | 15 |
| 5 | PETERSON, LA , (2017) CONTEXT MATTERS: CONTRIBUTION OF SPECIFIC DNA ADDUCTS TO THE GENOTOXIC PROPERTIES OF THE TOBACCO-SPECIFIC NITROSAMINE NNK.CHEMICAL RESEARCH IN TOXICOLOGY. VOL. 30. ISSUE 1. P. 420 -433 | 65 | 50% | 0 |
| 6 | JING, M , WANG, YH , UPADHYAYA, P , JAIN, V , YUAN, JM , HATSUKAMI, DK , HECHT, SS , STEPANOV, I , (2014) LIQUID CHROMATOGRAPHY-ELECTROSPRAY IONIZATION-TANDEM MASS SPECTROMETRY QUANTITATION OF URINARY [PYRIDINE-D-4]4-HYDROXY-4-(3-PYRIDYL)BUTANOIC ACID, A BIOMARKER OF 4-(METHYLNITROSAMINO)-1-(3PYRIDYL)-1-BUTANONE METABOLIC ACTIVATION IN SMOKERS.CHEMICAL RESEARCH IN TOXICOLOGY. VOL. 27. ISSUE 9. P. 1547 -1555 | 37 | 90% | 1 |
| 7 | HECHT, SS , (1996) RECENT STUDIES ON MECHANISMS OF BIOACTIVATION AND DETOXIFICATION OF 4-(METHYLNITROSAMINO)-1-(3-PYRIDYL)-1-BUTANONE (NNK), A TOBACCO-SPECIFIC LUNG CARCINOGEN.CRITICAL REVIEWS IN TOXICOLOGY. VOL. 26. ISSUE 2. P. 163-181 | 62 | 79% | 79 |
| 8 | BALBO, S , JOHNSON, CS , KOVI, RC , JAMES-YI, SA , O'SULLIVAN, MG , WANG, MY , LE, CT , KHARIWALA, SS , UPADHYAYA, P , HECHT, SS , (2014) CARCINOGENICITY AND DNA ADDUCT FORMATION OF 4-(METHYLNITROSAMINO)-1-(3-PYRIDYL)-1-BUTANONE AND ENANTIOMERS OF ITS METABOLITE 4-(METHYLNITROSAMINO)-1-(3-PYRIDYL)-1-BUTANOL IN F-344 RATS.CARCINOGENESIS. VOL. 35. ISSUE 12. P. 2798 -2806 | 40 | 75% | 3 |
| 9 | HOFFMANN, D , BRUNNEMANN, KD , PROKOPCZYK, B , DJORDJEVIC, MV , (1994) TOBACCO-SPECIFIC N-NITROSAMINES AND ARECA-DERIVED N-NITROSAMINES - CHEMISTRY, BIOCHEMISTRY, CARCINOGENICITY, AND RELEVANCE TO HUMANS.JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. VOL. 41. ISSUE 1. P. 1 -52 | 76 | 56% | 200 |
| 10 | HECHT, SS , (1999) DNA ADDUCT FORMATION FROM TOBACCO-SPECIFIC N-NITROSAMINES.MUTATION RESEARCH-FUNDAMENTAL AND MOLECULAR MECHANISMS OF MUTAGENESIS. VOL. 424. ISSUE 1-2. P. 127 -142 | 49 | 60% | 241 |
Classes with closest relation at Level 1 |