Articles

Search Articles

Advanced search
Help

Catalogue

Articles

Databases

X
Search Filters
Format Format
Format Format
X
Sort by Item Count (A-Z)
Filter by Count
Journal Article (7326) 7326
Publication (285) 285
Newsletter (116) 116
Magazine Article (103) 103
Conference Proceeding (70) 70
Newspaper Article (66) 66
Trade Publication Article (59) 59
Book Chapter (58) 58
Book Review (24) 24
Government Document (24) 24
Book / eBook (17) 17
Dissertation (17) 17
Paper (5) 5
Web Resource (2) 2
Reference (1) 1
more...
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
methylene chloride (2112) 2112
methylene blue (1384) 1384
index medicus (1304) 1304
animals (1142) 1142
methylene-blue (1119) 1119
humans (1112) 1112
dichloromethane (994) 994
methylene-chloride (962) 962
adsorption (920) 920
chemistry, multidisciplinary (701) 701
methylene chloride - chemistry (701) 701
solvents (697) 697
male (688) 688
analysis (644) 644
kinetics (607) 607
environmental sciences (586) 586
chemistry, physical (557) 557
chemistry (548) 548
dyes (545) 545
pharmacology & pharmacy (499) 499
dichlormethan (494) 494
rats (488) 488
nanoparticles (480) 480
engineering, chemical (453) 453
female (430) 430
removal (419) 419
activated carbon (413) 413
chemistry, analytical (413) 413
research (404) 404
water (378) 378
chlorides (372) 372
mice (366) 366
catalysis (361) 361
toxicology (346) 346
chemical properties (343) 343
chemistry, organic (341) 341
polymers (328) 328
degradation (323) 323
oxidation (321) 321
organic chemistry (316) 316
polymer science (305) 305
materials science, multidisciplinary (303) 303
biochemistry & molecular biology (302) 302
aqueous-solution (296) 296
organic compounds (296) 296
methylenblau (294) 294
methanol (287) 287
engineering, environmental (281) 281
spectroscopy (281) 281
photocatalysis (271) 271
temperature (269) 269
aqueous-solutions (267) 267
adsorbents (258) 258
usage (251) 251
chloroform (250) 250
lösungsmittel (250) 250
solvents - chemistry (248) 248
methylene blue - pharmacology (238) 238
thermodynamics (237) 237
methods (234) 234
carbon (231) 231
x-ray diffraction (230) 230
time factors (229) 229
equilibrium (226) 226
toxicity (223) 223
adult (221) 221
dose-response relationship, drug (221) 221
methylene chloride - toxicity (220) 220
scanning electron microscopy (220) 220
waste-water (220) 220
aqueous solutions (219) 219
chromatography (216) 216
chemistry, applied (215) 215
derivatives (215) 215
mass spectrometry (214) 214
ethanol (206) 206
cancer (200) 200
farbstoff (199) 199
plant extracts - pharmacology (198) 198
synthesis (197) 197
hydrogen-ion concentration (193) 193
photodegradation (191) 191
molecular structure (188) 188
methylene chloride - metabolism (179) 179
separation (178) 178
sorption (178) 178
chemistry, medicinal (176) 176
polymerization (176) 176
morphology (172) 172
chloride (171) 171
pollutants (169) 169
acetone (168) 168
catalysts (168) 168
nanocomposites (165) 165
hydrocarbons (164) 164
risk assessment (163) 163
poly (162) 162
acid (161) 161
health aspects (161) 161
fourier transformation (160) 160
more...
Library Location Library Location
Library Location Library Location
X
Sort by Item Count (A-Z)
Filter by Count
Gerstein Science - Stacks (13) 13
UofT at Mississauga - Stacks (5) 5
UTL at Downsview - May be requested (2) 2
Chemistry (A D Allen) - Stacks (1) 1
Engineering & Comp. Sci. - Stacks (1) 1
Law (Bora Laskin) - Stacks (1) 1
Online Resources - Online (1) 1
more...
Language Language
Language Language
X
Sort by Item Count (A-Z)
Filter by Count
English (7501) 7501
Chinese (79) 79
German (60) 60
Russian (55) 55
Japanese (32) 32
French (19) 19
Spanish (14) 14
Italian (10) 10
Korean (7) 7
Polish (6) 6
Czech (4) 4
Portuguese (3) 3
Afrikaans (2) 2
Persian (2) 2
Romanian (2) 2
Arabic (1) 1
Danish (1) 1
Dutch (1) 1
Hebrew (1) 1
Indonesian (1) 1
Swedish (1) 1
more...
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


1. Methylene chloride
and International Labour Organisation and World Health Organization and International Program on Chemical SafetyUnited Nations Environment Programme
1984, Environmental health criteria, ISBN 9789241540926, Volume 32, 55
Dichloromethane | Physiological effects | Toxicology | Methylene chloride
Book
Details down arrow
2. Methylene chloride
and WHO Task Group on Environmental Health Criteria for Methylene Chloride and International Labour Organisation and World Health Organization and International Program on Chemical SafetyUnited Nations Environment Programme
1996, 2nd ed., Environmental health criteria, ISBN 9241571640, Volume 164., 242
toxicity | chemical elements | Solvents | Toxicology | Dichloromethane | Environmental aspects | environmental impact | environmental effects | Physiological effect | health and safety
Book
Details down arrow
3. Methylene chloride health and safety guide
and World Health Organization (WHO) and United Nations . Environment Programme (UNEP) and International Programme on Chemical Safety (IPCS)International Labour Organisation (ILO)
1987, ISBN 9789241543323, Volume 6., 44
Dichloromethane -- Toxicology | Dichloromethane -- Safety measures | Dichloromethane -- Environmental aspects | Dichloromethane -- Physiological effect
Book
Details down arrow
4. Full Text Methylene Chloride
by Phillips, Jennan A
Workplace Health & Safety, ISSN 2165-0799, 2/2018, Volume 66, Issue 2, pp. 108 - 108
Methylene chloride is an industrial solvent used in commercial paint strippers and degreasing agents. This chemical is widely used in consumer products, yet... 
health education | Occupational Safety and Health Administration (OSHA) | occupational hazards | government regulation | occupational health and safety programs | acute illnesses | NURSING | Solvents - adverse effects | Methylene Chloride - adverse effects | Occupational Exposure - adverse effects | United States | Humans | Occupational Exposure - prevention & control
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
5. Full Text Formulation of Aluminum Chloride Phthalocyanine in Pluronic™ P‐123 and F‐127 Block Copolymer Micelles: Photophysical properties and Photodynamic Inactivation of Microorganisms
by Vilsinski, Bruno Henrique and Gerola, Adriana Passarella and Enumo, Junior Adalberto and Campanholi, Katieli da Silva Souza and Pereira, Paulo Cesar de Souza and Braga, Gustavo and Hioka, Noboru and Kimura, Elza and Tessaro, André Luiz and Caetano, Wilker
Photochemistry and Photobiology, ISSN 0031-8655, 05/2015, Volume 91, Issue 3, pp. 518 - 525
Aluminum Chloride Phthalocyanine (AlPcCl) can be used as a photosensitizer (PS) for Photodynamic Inactivation of Microorganisms (PDI). The AlPcCl showed... 
METHYLENE-BLUE | IN-VITRO | THERAPY | BIOPHYSICS | TUMOR-BEARING MICE | OXYGEN QUANTUM YIELDS | TRIBLOCK COPOLYMERS | BIOCHEMISTRY & MOLECULAR BIOLOGY | OUTER-MEMBRANE PERMEABILITY | SINGLET OXYGEN | CHLOROALUMINUM PHTHALOCYANINE | STAPHYLOCOCCUS-AUREUS | Photosensitizing Agents - radiation effects | Poloxamer - chemistry | Staphylococcus aureus - radiation effects | Photosensitizing Agents - chemistry | Microbial Viability - drug effects | Poloxamer - analogs & derivatives | Photosensitizing Agents - pharmacology | Candida albicans - drug effects | Poloxamer - pharmacology | Light | Micelles | Organometallic Compounds - chemistry | Staphylococcus aureus - drug effects | Indoles - chemistry
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
6. Full Text Chloride capture using a c–h hydrogen bonding cage
by Liu, Yun and Zhao, Wei and Chen, Chun-Hsing and Flood, Amar H
Science, ISSN 0036-8075, 2019, Volume 365, Issue 6449, pp. 159 - 159
Tight binding and high selectivity are hallmarks of biomolecular recognition. Achieving these behaviors with synthetic receptors has usually been associated... 
CRYPTAND | 1ST | MULTIDISCIPLINARY SCIENCES | IONS | ENERGIES | SOLVATION | ANION-BINDING | MOLECULES | WATER | TOOL | Triazoles | Hydrogen | Hydrogen bonding | Selectivity | Cages | Crystallography | Chloride ions | Liquid-liquid extraction | Receptors | Anions | Chloride | Hydrogen bonds | Chemical bonds | Dichloromethane | Affinity | Methylene chloride | Bonding | Recognition | Hydrogen ion concentration
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
7. Full Text Mesoporous carbons modified with lanthanum(III) chloride for methyl orange adsorption
by Goscianska, Joanna and Marciniak, Michał and Pietrzak, Robert
Chemical Engineering Journal, ISSN 1385-8947, 07/2014, Volume 247, pp. 258 - 264
Ordered mesoporous carbons of regular structure have been for the first time modified with lanthanum(III) chloride. The physicochemical properties of materials... 
Adsorption of methyl orange | KIT-6 | Ordered mesoporous carbons | Lanthanum(III) chloride | AQUEOUS-SOLUTIONS | ENGINEERING, CHEMICAL | DYE | REMOVAL | ISOTHERMS | TARTRAZINE | ENGINEERING, ENVIRONMENTAL | KINETICS | L-PHENYLALANINE | Adsorption | Azo compounds | Lanthanum | Dyes | Diffraction | Chemical engineering | Chlorides | Carbon | Adsorbents
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
8. Methylene Chloride
by Chao, Elaine L., 1953 and Henshaw, John L and United States. Occupational Safety and Health Administration
2003, ISBN 9781613442029
Methylene Chloride | Dichloromethane | Government policy
Web Resource
Details down arrow
9. Experimental research on methylene chloride carcinogenesis
by Perino, Giorgio and Maltoni, Cesare and Cotti, Giuliano
1986, ISBN 9780911131406, Volume 4., vii, 244
Carcinogenicity testing | Dichloromethane -- Toxicology | Carcinogenesis
Book
Details down arrow
10. Full Text Novel Bifunctionalization of Activated Methylene: Base‐Promoted Trifluoromethylthiolation of β‐Diketones with Trifluoromethanesulfinyl Chloride
by Sun, Dong‐Wei and Jiang, Min and Liu, Jin‐Tao
Chemistry – A European Journal, ISSN 0947-6539, 08/2019, Volume 25, Issue 46, pp. 10797 - 10802
A novel bifunctionalization of activated methylene was achieved successfully through the base‐promoted trifluoromethylthiolation of β‐diketones or β‐ketoesters... 
bifunctionalization | perfluoroalkylthiolation | trifluoromethanesulfinyl chloride | cyclization | synthetic methods | REAGENT | HYPERVALENT IODONIUM YLIDE | CATALYZED SYNTHESIS | ELECTROPHILIC TRIFLUOROMETHYLTHIOLATION | SUBSTITUENT CONSTANTS | CHEMISTRY, MULTIDISCIPLINARY | CHROMONES | FLUORINE | CF3SO2NA | EFFICIENT | RENAISSANCE | Diketones | Ketoesters | Sodium | Chlorides | Substrates | Methylene
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
11. Full Text Effect of small molecules on the phase behavior and coacervation of aqueous solutions of poly(diallyldimethylammonium chloride) and poly(sodium 4-styrene sulfonate)
by Huang, Shuyue and Zhao, Mengmeng and Dawadi, Mahesh B and Cai, Yuhang and Lapitsky, Yakov and Modarelli, David A and Zacharia, Nicole S
Journal of Colloid And Interface Science, ISSN 0021-9797, 05/2018, Volume 518, pp. 216 - 224
Complex coacervates are capable of easily partitioning solutes within them based on relative affinities of solute-water and solute-polyelectrolyte pairs, as... 
Encapsulation | Hydrophobic interaction | Polyelectrolyte coacervation | Electrostatic | Separations | METHYLENE-BLUE | PROTEIN | CHEMISTRY, PHYSICAL | POLYPEPTIDE COMPLEX COACERVATION | LINEAR VISCOELASTICITY | POLYELECTROLYTE COMPLEXES | DELIVERY | SALT | RHEOLOGICAL CHARACTERIZATION | WEIGHT
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
12. Full Text Synthesis of Chalcogenophenes via Cyclization of 1,3‐Diynes Promoted by Iron(III) Chloride and Dialkyl Dichalcogenides
by Bilheri, Filipe N and Stein, André L and Zeni, Gilson
Advanced Synthesis & Catalysis, ISSN 1615-4150, 04/2015, Volume 357, Issue 6, pp. 1221 - 1228
In this paper, we report the iron(III) chloride and dibutyl diselenide‐mediated cyclization of 1,3‐diynes which leads to 3,4‐bis(butylselanyl)selenophenes. The... 
iron | thiophenes | selenophenes | cyclization | diorganyl diselenides | ELECTROPHILIC CYCLIZATION | CHLORIDE/DIORGANYL DISELENIDES | CATALYZED REACTIONS | ORGANOSELENIUM COMPOUNDS | INVOLVEMENT | ANTICONVULSANT | CHEMISTRY, ORGANIC | SELENIUM | SELENOAMIDES | CROSS-COUPLING REACTIONS | CHEMISTRY, APPLIED | 3-ALKYNYL SELENOPHENE | Iron compounds | Resveratrol | Thiophene | Exchange | Dimethyl | Synthesis | Thiophenes | Chlorides | Disulfides | Derivatives | Catalysis | Optimization
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
13. Full Text Methylthioninium chloride (methylene blue) induces autophagy and attenuates tauopathy in vitro and in vivo
by Congdon, Erin E and Wu, Jessica W and Myeku, Natura and Figueroa, Yvette H and Herman, Mathieu and Marinec, Paul S and Gestwicki, Jason E and Dickey, Chad A and Yu, W. Haung and Duff, Karen E
Autophagy, ISSN 1554-8627, 04/2012, Volume 8, Issue 4, pp. 609 - 622
More than 30 neurodegenerative diseases including Alzheimer disease (AD), frontotemporal lobe dementia (FTD), and some forms of Parkinson disease (PD) are... 
methylene blue | tau | autophagy | phosphorylation | transgenic mouse | tissue culture | Binding | Proteins | Landes | Calcium | Bioscience | Biology | Cell | Cycle | Cancer | Organogenesis | Tissue culture | Tau | Transgenic mouse | Phosphorylation | Autophagy | Methylene blue | MAMMALIAN TARGET | NEUROFIBRILLARY TANGLES | CHAPERONE-MEDIATED AUTOPHAGY | ALZHEIMERS-DISEASE | FRONTOTEMPORAL DEMENTIA | ALPHA-SYNUCLEIN | CELL-DEATH | CELL BIOLOGY | TAU TRANSGENIC MICE | PAIRED HELICAL FILAMENTS | AGGREGATION | Neurons - pathology | Microtubule-Associated Proteins - metabolism | Humans | Tauopathies - pathology | tau Proteins - metabolism | Protein Transport - drug effects | Vacuoles - drug effects | Autophagy - drug effects | Gene Knockdown Techniques | Brain - metabolism | Lysosomes - metabolism | Neurons - metabolism | Phosphorylation - drug effects | Neurons - drug effects | CHO Cells | Biomarkers - metabolism | Lysosomes - drug effects | Cricetinae | Cells, Cultured | Mice, Transgenic | Methylene Blue - pharmacology | Brain - drug effects | Tauopathies - metabolism | Animals | Models, Biological | Methylene Blue - therapeutic use | Brain - pathology | Vacuoles - metabolism | Mice | Tauopathies - drug therapy | Basic Research Paper
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
14. Full Text α‐Fe2O3/Attapulgite‐mediated reaction of benzyl chloride: Synthesis of poly(phenylene methylene)
by Teng, Dao‐Guang and Wei, Xian‐Yong and Yang, Zheng and Zong, Zhi‐Min
Journal of Polymer Science Part A: Polymer Chemistry, ISSN 0887-624X, 10/2018, Volume 56, Issue 20, pp. 2280 - 2285
ABSTRACT Thermostable and fluorescent poly(phenylene methylene) (PPM) was synthesized via α‐Fe2O3/attapulgite (α‐Fe2O3/A)‐mediated polymerization of benzyl... 
thermal stability | poly(phenylene methylene) | fluorescence | benzyl chloride | recyclable catalyst | Spectroscopy | Fourier transformation | Fourier transforms | Nuclear magnetic resonance--NMR | Thermogravimetric analysis | Carbon tetrachloride | Fluorescence | Polymerization | Liquid chromatography | Infrared analysis | Thermal stability | Methylene | Spectrometry | Scientific imaging | Chemical synthesis
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
15. Full Text Adsorption properties of crosslinking carboxymethyl cellulose grafting dimethyldiallylammonium chloride for cationic and anionicdyes
by Lin, QW and Gao, MF and Chang, JL and Ma, HZ
CARBOHYDRATE POLYMERS, ISSN 0144-8617, 10/2016, Volume 151, pp. 283 - 294
Novel and efficient microspheres adsorbent (MCA-E-0.7/CMC-g- PDMDAAC), based on monochloroacetic acid (MCA) modified epichlorohydrin (ECH) cross-linked... 
Carboxymethyl cellulose | METHYLENE-BLUE | POLYMER SCIENCE | Selective adsorption | Dyesa | CHEMISTRY, ORGANIC | AQUEOUS-SOLUTION | HYDROGEL | pH-sensitive | DYE | REMOVAL | Dimethyldiallylammonium chloride | ACTIVATED CARBON | KINETICS | ADSORBENT | CHEMISTRY, APPLIED | ORANGE | WATER
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
16. Full Text Fe2O3/Attapulgite-mediated reaction of benzyl chloride: Synthesis of poly(phenylene methylene)
by Teng, DG and Wei, XY and Yang, Z and Zong, ZM
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, ISSN 0887-624X, 10/2018, Volume 56, Issue 20, pp. 2280 - 2285
Thermostable and fluorescent poly(phenylene methylene) (PPM) was synthesized via -Fe2O3/attapulgite (-Fe2O3/A)-mediated polymerization of benzyl chloride (BC)... 
POLYMERS | POLY(P-PHENYLENE ALKYLENE)S | POLYMER SCIENCE | thermal stability | POLYMERIZATION | benzyl chloride | POLYBENZYLS | IRON-OXIDE | OXYGEN | XYLYLENE | poly(phenylene methylene) | fluorescence | CHEMISTRY | POLYCONDENSATION | recyclable catalyst | Fluorescence spectroscopy | Polymerization | Fluorescence
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
17. Full Text Gold(III) Chloride and Phenylacetylene: A Catalyst System for the Ferrier Rearrangement, and O‐Glycosylation of 1‐O‐Acetyl Sugars as Glycosyl Donors
by Roy, Rashmi and Rajasekaran, Parasuraman and Mallick, Asadulla and Vankar, Yashwant D
European Journal of Organic Chemistry, ISSN 1434-193X, 09/2014, Volume 2014, Issue 25, pp. 5564 - 5573
We have developed a new catalyst system comprising AuCl3 and phenylacetylene that promotes the Ferrier rearrangement of glycals and 2‐acetoxymethylglycals with... 
Gold | Carbohydrates | Synthetic methods | Glycosylation | Homogeneous catalysis | Rearrangement | PENTENYL GLYCOSIDES | CHEMISTRY, ORGANIC | 2-C-METHYLENE GLYCOSIDES | CYCLOISOMERIZATION REACTIONS | CARBOHYDRATE-CHEMISTRY | FACILE SYNTHESIS | EFFICIENT PROCEDURE | ALPHA-GLUCOSIDES | ORTHO-ALKYNYLBENZOATES | HIGHLY STEREOSELECTIVE-SYNTHESIS | CHEMICAL GLYCOSYLATION | Diastereomers | Gold compounds | Catalysis
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
18. Full Text Gold(III) chloride (HAuCl4·3H2O) in PEG: A new and efficient catalytic system for the synthesis of functionalized spirochromenes
by Kidwai, Mazaahir and Jahan, Anwar and Mishra, Neeraj Kumar
Applied Catalysis A, General, ISSN 0926-860X, 05/2012, Volume 425-426, pp. 35 - 43
► Eco-friendly method for the synthesis of functionalized spirochromenes. ► Gold(III) chloride (HAuCl ·3H O) is used as soft carbophilic Lewis acid catalyst. ►... 
Spirochromenes | Multicomponent reaction (MCR) | Cyclic 1,3-diketones | Polyethylene glycol (PEG) | Isatins or Acenaphthoquinone | Active methylene compounds | Gold(III) chloride (HAuCl4·3H2O) | Gold(III) chloride (HAuCl | 3H | Economics | Synthesis | Catalysts | Recyclability | Chlorides | Catalysis | Derivatives | Methylene
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
19. Full Text Positively charged loose nanofiltration membrane grafted by diallyl dimethyl ammonium chloride (DADMAC) via UV for salt and dye removal
by Liu, Fu and Ma, Bi-rong and Zhou, Dong and Zhu, Li-Jing and Fu, Yin-Yi and Xue, Li-xin
Reactive and Functional Polymers, ISSN 1381-5148, 01/2015, Volume 86, pp. 191 - 198
A novel positively charged loose nanofiltration (NF) membrane was fabricated feasibly by UV-induced photografting polymerization of diallyl dimethyl ammonium... 
Positive charges | Salt rejection | Dye removal | Loose nanofiltration | POLYMER SCIENCE | ULTRAFILTRATION MEMBRANES | CHITOSAN | CROSS-LINKING | FLUX | POLYMERIZATION | PHASE INVERSION | ENGINEERING, CHEMICAL | WASTE-WATER | FABRICATION | CHEMISTRY, APPLIED | PAN | COPOLYMER | Polymerization | Ammonium compounds | Atomic force microscopy | Ammonium paratungstate | Sea-water
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
20. Full Text Iron(III) Chloride/Diorganyl Diselenides Promoted Regio‐ and Stereoselective Cyclization of ortho‐Alkynylanilides: Synthesis of (Z)‐4‐(chalcogen)methylenebenzoxazines
by Stein, André L and Bilheri, Filipe N and Back, Davi F and Zeni, Gilson
Advanced Synthesis & Catalysis, ISSN 1615-4150, 02/2014, Volume 356, Issue 2‐3, pp. 501 - 508
Intramolecular 6‐exo‐dig cyclization of ortho‐alkynylanilides has been employed in a regio‐ and stereoselective synthesis of... 
benzoxazines | intramolecular 6‐exo‐dig cyclization | iron | diorganoyl diselenides | quinazolines | Iron | Benzoxazines | Quinazolines | Diorganoyl diselenides | Intramolecular 6-exo-dig cyclization | ELECTROPHILIC CYCLIZATION | ORGANIC-SYNTHESIS | ISOCYANIDES | CHEMISTRY, ORGANIC | ALKYNES | INDOLES | INTRAMOLECULAR CYCLIZATION | 2-ARYL | intramolecular 6-exo-dig cyclization | CATALYZED-REACTIONS | REGIOSELECTIVE SYNTHESIS | CHEMISTRY, APPLIED | Exchange | Solvents | Synthesis | Ammonium acetate | Chlorides | Derivatives | Catalysis | Acceptability
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
No results were found for your search.

Cannot display more than 1000 results, please narrow the terms of your search.