Class information for:
Level 1: SOLID PHASE MICROEXTRACTION//ENVIRONM BIOANALYT S//MAGNETIC SOLID PHASE EXTRACTION

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
1076 2866 36.0 82%


Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
4 4 ENVIRONMENTAL SCIENCES//GEOSCIENCES, MULTIDISCIPLINARY//METEOROLOGY & ATMOSPHERIC SCIENCES 1766162
123 3       CHEMISTRY, ANALYTICAL//BIOSENSOR//PESTICIDES 67990
1661 2             SOLID PHASE MICROEXTRACTION//DISPERSIVE LIQUID LIQUID MICROEXTRACTION//LIQUID PHASE MICROEXTRACTION 6862
1076 1                   SOLID PHASE MICROEXTRACTION//ENVIRONM BIOANALYT S//MAGNETIC SOLID PHASE EXTRACTION 2866

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 SOLID PHASE MICROEXTRACTION authKW 3617663 32% 37% 911
2 ENVIRONM BIOANALYT S address 319744 1% 73% 41
3 MAGNETIC SOLID PHASE EXTRACTION authKW 289097 3% 30% 91
4 SPME authKW 234921 6% 14% 161
5 SOLID PHASE MICROEXTRACTION SPME authKW 223611 3% 25% 83
6 NEEDLE TRAP DEVICE authKW 185256 1% 87% 20
7 IN TUBE SOLID PHASE MICROEXTRACTION authKW 184076 1% 44% 39
8 IN TUBE SPME authKW 173982 1% 78% 21
9 MICRO SOLID PHASE EXTRACTION authKW 164312 1% 43% 36
10 JOURNAL OF CHROMATOGRAPHY A journal 162798 22% 2% 640

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 Chemistry, Analytical 110541 83% 0% 2366
2 Biochemical Research Methods 31222 35% 0% 1000
3 Food Science & Technology 391 5% 0% 154
4 Spectroscopy 304 3% 0% 100
5 Environmental Sciences 198 6% 0% 170
6 Chemistry, Multidisciplinary 64 6% 0% 183
7 Engineering, Environmental 36 2% 0% 43
8 Medicine, Legal 30 0% 0% 13
9 Chemistry, Applied 25 2% 0% 49
10 Agriculture, Multidisciplinary 1 1% 0% 16

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 ENVIRONM BIOANALYT S 319744 1% 73% 41
2 MOE AQUAT PROD SAFETY KLGHEI ENVIRONM E 161980 1% 72% 21
3 PL TECHNOL SOPHISTICATED ANALYT RUM 62607 1% 28% 21
4 CAS NAT MED GANSU PROV 43492 0% 58% 7
5 FINE CHEM NANOCHEM 33808 1% 18% 18
6 REG AUTHOR PUBL HLTH SERV 31958 0% 100% 3
7 AGCY NEW TECHNOL ENERGY ENVIRONM 29959 0% 26% 11
8 BIOL PL ENGN 26626 0% 50% 5
9 ANALYT CHEM BIOL MED 23632 2% 5% 47
10 PHARMACODYNAM MOL PHARMACOL 22187 0% 42% 5

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 JOURNAL OF CHROMATOGRAPHY A 162798 22% 2% 640
2 JOURNAL OF SEPARATION SCIENCE 56653 6% 3% 179
3 ANALYTICA CHIMICA ACTA 26266 9% 1% 245
4 CHROMATOGRAPHIA 15989 4% 1% 114
5 TRAC-TRENDS IN ANALYTICAL CHEMISTRY 14161 2% 2% 65
6 ANALYTICAL METHODS 11564 3% 1% 81
7 ANALYTICAL AND BIOANALYTICAL CHEMISTRY 10630 4% 1% 105
8 TALANTA 10618 5% 1% 130
9 MICROCHIMICA ACTA 10591 2% 2% 55
10 ANALYTICAL CHEMISTRY 9412 6% 1% 180

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 SOLID PHASE MICROEXTRACTION 3617663 32% 37% 911 Search SOLID+PHASE+MICROEXTRACTION Search SOLID+PHASE+MICROEXTRACTION
2 MAGNETIC SOLID PHASE EXTRACTION 289097 3% 30% 91 Search MAGNETIC+SOLID+PHASE+EXTRACTION Search MAGNETIC+SOLID+PHASE+EXTRACTION
3 SPME 234921 6% 14% 161 Search SPME Search SPME
4 SOLID PHASE MICROEXTRACTION SPME 223611 3% 25% 83 Search SOLID+PHASE+MICROEXTRACTION+SPME Search SOLID+PHASE+MICROEXTRACTION+SPME
5 NEEDLE TRAP DEVICE 185256 1% 87% 20 Search NEEDLE+TRAP+DEVICE Search NEEDLE+TRAP+DEVICE
6 IN TUBE SOLID PHASE MICROEXTRACTION 184076 1% 44% 39 Search IN+TUBE+SOLID+PHASE+MICROEXTRACTION Search IN+TUBE+SOLID+PHASE+MICROEXTRACTION
7 IN TUBE SPME 173982 1% 78% 21 Search IN+TUBE+SPME Search IN+TUBE+SPME
8 MICRO SOLID PHASE EXTRACTION 164312 1% 43% 36 Search MICRO+SOLID+PHASE+EXTRACTION Search MICRO+SOLID+PHASE+EXTRACTION
9 NEEDLE TRAP 119833 1% 75% 15 Search NEEDLE+TRAP Search NEEDLE+TRAP
10 GAS CHROMATOGRAPHY 116743 10% 4% 285 Search GAS+CHROMATOGRAPHY Search GAS+CHROMATOGRAPHY

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 AZIZ-ZANJANI, MO , MEHDINIA, A , (2014) A REVIEW ON PROCEDURES FOR THE PREPARATION OF COATINGS FOR SOLID PHASE MICROEXTRACTION.MICROCHIMICA ACTA. VOL. 181. ISSUE 11-12. P. 1169 -1190 121 97% 32
2 SPIETELUN, A , KLOSKOWSKI, A , CHRZANOWSKI, W , NAMIESNIK, J , (2013) UNDERSTANDING SOLID-PHASE MICROEXTRACTION: KEY FACTORS INFLUENCING THE EXTRACTION PROCESS AND TRENDS IN IMPROVING THE TECHNIQUE.CHEMICAL REVIEWS. VOL. 113. ISSUE 3. P. 1667-1685 152 69% 43
3 SPIETELUN, A , MARCINKOWSKI, L , DE LA GUARDIA, M , NAMIESNIK, J , (2013) RECENT DEVELOPMENTS AND FUTURE TRENDS IN SOLID PHASE MICROEXTRACTION TECHNIQUES TOWARDS GREEN ANALYTICAL CHEMISTRY.JOURNAL OF CHROMATOGRAPHY A. VOL. 1321. ISSUE . P. 1 -13 149 53% 70
4 TANG, B , ISACSSON, U , (2008) ANALYSIS OF MONO- AND POLYCYCLIC AROMATIC HYDROCARBONS USING SOLID-PHASE MICROEXTRACTION: STATE-OF-THE-ART.ENERGY & FUELS. VOL. 22. ISSUE 3. P. 1425-1438 140 79% 21
5 FENG, JJ , QIU, HD , LIU, X , JIANG, SX , (2013) THE DEVELOPMENT OF SOLID-PHASE MICROEXTRACTION FIBERS WITH METAL WIRES AS SUPPORTING SUBSTRATES.TRAC-TRENDS IN ANALYTICAL CHEMISTRY. VOL. 46. ISSUE . P. 44-58 92 93% 27
6 KABIR, A , FURTON, KG , MALIK, A , (2013) INNOVATIONS IN SOL-GEL MICROEXTRACTION PHASES FOR SOLVENT-FREE SAMPLE PREPARATION IN ANALYTICAL CHEMISTRY.TRAC-TRENDS IN ANALYTICAL CHEMISTRY. VOL. 45. ISSUE . P. 197-218 99 70% 37
7 MEHDINIA, A , AZIZ-ZANJANI, MO , (2013) RECENT ADVANCES IN NANOMATERIALS UTILIZED IN FIBER COATINGS FOR SOLID-PHASE MICROEXTRACTION.TRAC-TRENDS IN ANALYTICAL CHEMISTRY. VOL. 42. ISSUE . P. 205 -215 70 93% 45
8 OUYANG, GF , PAWLISZYN, J , (2006) SPME IN ENVIRONMENTAL ANALYSIS.ANALYTICAL AND BIOANALYTICAL CHEMISTRY. VOL. 386. ISSUE 4. P. 1059 -1073 114 67% 104
9 AZIZ-ZANJANI, MO , MEHDINIA, A , (2013) ELECTROCHEMICALLY PREPARED SOLID-PHASE MICROEXTRACTION COATINGS-A REVIEW.ANALYTICA CHIMICA ACTA. VOL. 781. ISSUE . P. 1 -13 81 84% 18
10 RISTICEVIC, S , NIRI, VH , VUCKOVIC, D , PAWLISZYN, J , (2009) RECENT DEVELOPMENTS IN SOLID-PHASE MICROEXTRACTION.ANALYTICAL AND BIOANALYTICAL CHEMISTRY. VOL. 393. ISSUE 3. P. 781-795 82 68% 171

Classes with closest relation at Level 1


Rank Class id link
1 22119 STIR BAR SORPTIVE EXTRACTION//ROTATING DISK SORPTIVE EXTRACTION//STIR BAR SORPTIVE EXTRACTION SBSE
2 2244 DISPERSIVE LIQUID LIQUID MICROEXTRACTION//LIQUID PHASE MICROEXTRACTION//SINGLE DROP MICROEXTRACTION
3 24671 MICROEXTRACTION IN PACKED SYRINGE//MICROEXTRACTION BY PACKED SORBENT//POLYSTYRENE SORBENT
4 10726 CHLOROPHENOLS//PHENOLS//PHENOL INDEX
5 3118 WATER ANALYSIS//PESTICIDES//ENVIRONMENTAL ANALYSIS
6 14111 PASSIVE SAMPLING//SEMIPERMEABLE MEMBRANE DEVICES//POCIS
7 16581 CHROMATOMEMBRANE CELL//VOLATILE ANALYTES//THIN LAYER HEADSPACE TLHS
8 25966 ELECTROMEMBRANE EXTRACTION//ELECTROMEMBRANE EXTRACTION EME//ELECTROMEMBRANE
9 22817 GPLLI PROGRAM//PSEUDOSTATIONARY PHASE//BIOPHARM SUPPORT QC
10 25905 RESIDUAL SOLVENTS//P CYCLOHEXYLPHENOL//P PHENYLPHENOL

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