X
Search Filters
Format Format
Format Format
X
Sort by Item Count (A-Z)
Filter by Count
Patent (216945) 216945
Journal Article (63806) 63806
Newspaper Article (60403) 60403
Conference Proceeding (45985) 45985
Newsletter (15932) 15932
Magazine Article (9119) 9119
Web Resource (2333) 2333
Book Chapter (1287) 1287
Book / eBook (1159) 1159
Trade Publication Article (1142) 1142
Government Document (731) 731
Photograph (543) 543
Dissertation (531) 531
Book Review (515) 515
Art (241) 241
Transcript (225) 225
Reference (116) 116
Publication (111) 111
Report (72) 72
Archival Material (55) 55
Streaming Video (34) 34
Painting (27) 27
Microfilm (21) 21
Journal / eJournal (19) 19
Standard (17) 17
Manuscript (10) 10
Data Set (7) 7
Market Research (6) 6
Music Score (5) 5
Realia (5) 5
Kit (4) 4
Paper (4) 4
Drawing (3) 3
Video Recording (3) 3
Audio Recording (1) 1
Graphic Arts (1) 1
Library Holding (1) 1
Map (1) 1
more...
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
physics (218568) 218568
horology (216999) 216999
mechanical parts of clocks or watches in general (144556) 144556
mechanically-driven clocks or watches (144556) 144556
time pieces using the position of the sun, moon or stars (144556) 144556
electromechanical clocks or watches (82265) 82265
clocks (64076) 64076
clocks & watches (44975) 44975
electronic time-pieces (35654) 35654
electricity (31304) 31304
clock and watch industry (29683) 29683
animals (16506) 16506
intellectual property (15261) 15261
basic electric elements (14592) 14592
clocks and watches (13171) 13171
apparatus or tools specially designed for making ormaintaining clocks or watches (13040) 13040
human necessities (12920) 12920
biological clocks (11865) 11865
testing (10987) 10987
wrist watches (10851) 10851
engineering, electrical & electronic (10454) 10454
humans (10447) 10447
generation (10105) 10105
conversion or distribution of electric power (9812) 9812
circadian rhythm (9701) 9701
transporting (9152) 9152
performing operations (9150) 9150
measuring (8811) 8811
relays (7792) 7792
lighting (7758) 7758
general tagging of cross-sectional technologies spanning over several sections of the ipc (7751) 7751
general tagging of new technological developments (7751) 7751
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (7751) 7751
selectors (7656) 7656
electric switches (7645) 7645
emergency protective devices (7645) 7645
male (7561) 7561
delay (7535) 7535
heating (7434) 7434
mechanical engineering (7433) 7433
weapons (7354) 7354
blasting (7303) 7303
synchronization (7298) 7298
jewellery (7236) 7236
haberdashery (7189) 7189
bracelets (7099) 7099
coins (7090) 7090
other personal adornments (7055) 7055
time-interval measuring (6916) 6916
cryptography (6829) 6829
advertising (6808) 6808
chemistry (6757) 6757
clock (6695) 6695
technical subjects covered by former uspc (6585) 6585
education (6537) 6537
frequency (6516) 6516
methods (6427) 6427
metallurgy (6417) 6417
circuits (6374) 6374
research (6078) 6078
display (6055) 6055
seals (6042) 6042
circadian clock (5989) 5989
hardware (5956) 5956
circadian rhythms (5907) 5907
neurosciences (5904) 5904
technical subjects covered by former us classification (5806) 5806
biological clocks - physiology (5743) 5743
timing (5462) 5462
counting (5271) 5271
light (5223) 5223
female (5167) 5167
computing (5140) 5140
calculating (5132) 5132
analysis (5127) 5127
electric communication technique (5077) 5077
physiology (4858) 4858
studies (4831) 4831
circadian rhythm - physiology (4773) 4773
field programmable gate arrays (4761) 4761
mice (4647) 4647
engineering elements and units (4637) 4637
general measures for producing and maintaining effectivefunctioning of machines or installations (4637) 4637
thermal insulation in general (4637) 4637
biology (4582) 4582
switches (4402) 4402
biochemistry & molecular biology (4335) 4335
signs (4290) 4290
displaying (4268) 4268
labels or name-plates (4268) 4268
dynamo-electric machines (4241) 4241
optics (4103) 4103
arrangements for measuring two or more variables not coveredin a single other subclass (4101) 4101
measuring not specially adapted for a specific variable (4101) 4101
measuring or testing not otherwise provided for (4101) 4101
tariff metering apparatus (4101) 4101
voltage (4008) 4008
jitter (3906) 3906
gene expression (3874) 3874
electric digital data processing (3746) 3746
more...
Library Location Library Location
Library Location Library Location
X
Sort by Item Count (A-Z)
Filter by Count
Online Resources - Online (905) 905
Gerstein Science - Stacks (261) 261
Royal Ontario Museum - Stacks (205) 205
UTL at Downsview - May be requested (138) 138
Robarts - Stacks (132) 132
Engineering & Comp. Sci. - Stacks (97) 97
UofT at Mississauga - Stacks (55) 55
Collection Dvlpm't (Acquisitions) - Vendor file (54) 54
UofT at Scarborough - Stacks (45) 45
Collection Dvlpm't (Acquisitions) - Closed Orders (43) 43
Thomas Fisher Rare Book - Rare Book (31) 31
Media Commons - Microtexts (22) 22
OISE - Curriculum Resources (17) 17
St. Michael's College (John M. Kelly) - 2nd Floor (15) 15
Pontifical Inst. Mediaeval Studies - Library use only (14) 14
Royal Ontario Museum - Pamphlets (14) 14
Royal Ontario Museum - Rare Book (14) 14
Music - Stacks (13) 13
Royal Ontario Museum - Periodical Stacks (12) 12
Victoria University E.J. Pratt - Stacks (11) 11
Royal Ontario Museum - Far Eastern (10) 10
Astronomy & Astrophysics - Ask at library (9) 9
Baycrest Hospital - Stacks (9) 9
Trinity College (John W Graham) - Stacks (9) 9
OISE - Stacks (8) 8
Aerospace - Stacks (7) 7
East Asian (Cheng Yu Tung) - Stacks (7) 7
Architecture Landscape (Shore + Moffat) - Stacks (6) 6
Gerstein Science - Periodical Stacks (6) 6
UofT Schools - Stacks (6) 6
Earth Sciences (Noranda) - Stacks (5) 5
Holland Bloorview Kids Rehabilitation - Stacks (5) 5
OISE - Children's Literature (5) 5
Robarts - Gov Pub Storage: Request at Reference Desk 4th floor (5) 5
Art - Library use only (4) 4
Engineering & Comp. Sci. - May be requested in 6-10 wks (4) 4
Engineering & Comp. Sci. - Special Collections (4) 4
Gerstein Science - Bindery (4) 4
UofT at Scarborough - Withdrawn (4) 4
Media Commons - Audio Visual (3) 3
OISE - Ontario Historical Ed (3) 3
Physics - Stacks (3) 3
Richard Charles Lee Canada-Hong Kong - Library use only (3) 3
Royal Ontario Museum - Archives (3) 3
Royal Ontario Museum - Reference (3) 3
Thomas Fisher Rare Book - May be requested at Fisher (3) 3
Trinity College (John W Graham) - Storage (3) 3
East Asian (Cheng Yu Tung) - Reference (2) 2
Faculty of Information - Juvenile (2) 2
Gerstein Science - Circulation Desk (2) 2
Indust. Rel's & Hum. Resources (Newman) - Library use only (2) 2
Map & Data - Map Collection (2) 2
OISE - Material is damaged (2) 2
Providence Healthcare - Stacks (2) 2
UofT Schools - Special Collections (2) 2
Victoria University CRRS - Library use only (2) 2
West Park Healthcare Centre - Stacks (2) 2
Architecture Landscape (Shore + Moffat) - Circulation Desk (1) 1
Astronomy & Astrophysics - Periodical Stacks (1) 1
Astronomy & Astrophysics - Stacks (1) 1
Business (Joseph L Rotman) - Library use only (1) 1
Chemistry (A D Allen) - Stacks (1) 1
Credit Valley Hospital - Stacks (1) 1
East Asian (Cheng Yu Tung) - Oversize (1) 1
East Asian (Cheng Yu Tung) - Processing (1) 1
Engineering & Comp. Sci. - Material is damaged (1) 1
Engineering & Comp. Sci. - Missing (1) 1
Engineering & Comp. Sci. - Not Returned (1) 1
Engineering & Comp. Sci. - Periodical Stacks (1) 1
Gerstein Science - Oversize (1) 1
Gerstein Science - Theses (1) 1
Innis College - Stacks (1) 1
Knox College (Caven) - Storage (1) 1
Mathematical Sciences - Stacks (1) 1
Music - Circulation Desk (1) 1
Music - Library use only (1) 1
Music - Protected Material (1) 1
OISE - Missing (1) 1
OISE - Modern Language (1) 1
Regis College - Stacks (1) 1
Robarts - Moving to offsite: no requests (1) 1
Royal Ontario Museum - Far Eastern Egyptian (1) 1
Scarborough Hospital - General (1) 1
Stacks (1) 1
Sunnybrook Health Sciences Centre - Sunnybrook Stacks (1) 1
Trinity College (John W Graham) - Oversize (1) 1
United Church of Canada Archives - Archives (1) 1
University College (Laidlaw) - Stacks (1) 1
UofT at Mississauga - Periodical Stacks (1) 1
Victoria University E.J. Pratt - Oversize (1) 1
West Park Healthcare Centre - Hospital Department (1) 1
more...
Language Language
Language Language
X
Sort by Item Count (A-Z)
Filter by Count
English (368606) 368606
French (40035) 40035
German (31132) 31132
Chinese (17926) 17926
Japanese (5800) 5800
Korean (2951) 2951
Russian (2128) 2128
Portuguese (641) 641
Spanish (580) 580
Italian (278) 278
Swedish (225) 225
Finnish (167) 167
Danish (160) 160
Polish (108) 108
Czech (106) 106
Dutch (84) 84
Norwegian (83) 83
Turkish (29) 29
Ukrainian (29) 29
Greek (25) 25
Romanian (24) 24
Hungarian (22) 22
Slovenian (21) 21
Bulgarian (20) 20
Croatian (17) 17
Latin (13) 13
Slovak (13) 13
Arabic (12) 12
Hebrew (11) 11
Hindi (9) 9
Estonian (6) 6
Indonesian (5) 5
Latvian (5) 5
Serbian (5) 5
Urdu (5) 5
Catalan (3) 3
Lithuanian (3) 3
Persian (3) 3
Afrikaans (2) 2
Bosnian (1) 1
Icelandic (1) 1
Nauru (1) 1
Sanskrit (1) 1
more...
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


Journal of biological rhythms, ISSN 0748-7304, 1986
Journal
Chronobiology international, ISSN 0742-0528, 1984
Journal
Biological rhythm research, ISSN 0929-1016, 1994
Journal
2013, ISBN 022601486X, ages
The public spaces and buildings of the United States are home to many thousands of timepieces-bells, time balls, and clock faces-that tower over urban streets,... 
Clocks and watches | 20th century | History | United States | 19th century
Book
Journal
Proceedings of the National Academy of Sciences - PNAS, ISSN 1091-6490, 2019, Volume 116, Issue 12, pp. 5721 - 5726
The circadian oscillator relies on a negative transcriptional feedback loop, in which the PERIOD (PER) and TIMELESS (TIM) proteins repress the expression of... 
Circadian rhythms | Clock genes | CCR4–NOT complex | CAF1/POP2 | mRNA poly(A) tail | POSTTRANSCRIPTIONAL REGULATION | MECHANISM | BEHAVIOR | MULTIDISCIPLINARY SCIENCES | circadian rhythms | CCR4-NOT complex | PROTEIN COMPLEX | MESSENGER-RNA DEGRADATION | clock genes | ENTRAINMENT | RHYTHMS | GENE-EXPRESSION | DYNAMICS | Period Circadian Proteins - physiology | ARNTL Transcription Factors - genetics | Phosphorylation | Down-Regulation | Gene Expression Regulation | CLOCK Proteins - genetics | Circadian Clocks - genetics | Circadian Rhythm - physiology | Ribonucleases | Drosophila Proteins - metabolism | RNA, Messenger - metabolism | Drosophila melanogaster - genetics | Drosophila Proteins - physiology | Animals | Period Circadian Proteins - metabolism | Transcription, Genetic | Drosophila Proteins - genetics | Circadian Clocks - physiology | Post-transcription | Poly(A) | Transcription factors | Oscillations | Feedback loops | CLOCK protein | Gene expression | Mutants | Proteins | Insects | Timeless protein | Polyadenylation | Control theory | Inhibition | mRNA stability | ARNTL Transcription Factors | Drosophila Proteins | Neurons and Cognition | Psychology and behavior | Neurobiology | Circadian Rhythm | Period Circadian Proteins | Life Sciences | CLOCK Proteins | Circadian Clocks | Cognitive Sciences | RNA, Messenger | Drosophila melanogaster | Biological Sciences | POP2 | CAF1
Journal Article
Science (American Association for the Advancement of Science), ISSN 1095-9203, 2012, Volume 337, Issue 6091, pp. 189 - 194
Journal Article
Journal Article
Journal of comparative neurology (1911), ISSN 0021-9967, 2018, Volume 526, Issue 7, pp. 1209 - 1231
Journal Article
Metrologia, ISSN 0026-1394, 05/2017, Volume 54, Issue 3, pp. 348 - 354
We report on the first comparison of distant caesium fountain primary frequency standards (PFSs) via an optical fiber link. The 1415 km long optical link... 
Optical fiber frequency transfer | Atomic fountain clocks | International fountain clock comparison | LATTICE CLOCK | NETWORK | INSTRUMENTS & INSTRUMENTATION | PHYSICS, APPLIED | UNCERTAINTY EVALUATION | international fountain clock comparison | PTB-CSF2 | atomic fountain clocks | optical fiber frequency transfer
Journal Article
Proceedings of the National Academy of Sciences - PNAS, ISSN 1091-6490, 2013, Volume 110, Issue 24, pp. 9897 - 9902
Organisms adapt to day-night cycles through highly specialized circadian machinery, whose molecular components anticipate and drive changes in organism... 
Datasets | Salmonella | Cytokines | Secretion | Antimicrobials | Genes | Neutrophils | Infections | Gene expression regulation | Inflammation | Clock genes | Intestine | Gastroenteritis | Microbes | intestine | MACROPHAGES | MULTIDISCIPLINARY SCIENCES | INNATE | TYPHIMURIUM | LIPOCALIN-2 | clock genes | microbes | NK CELLS | inflammation | gastroenteritis | MEDIATED TRANSCRIPTION | IMMUNE-RESPONSES | GENES | TNF-ALPHA | EXPRESSION | Oligonucleotide Array Sequence Analysis | CLOCK Proteins - genetics | Circadian Clocks - genetics | Gene Expression Profiling | Cecum - microbiology | Lipopolysaccharides - immunology | CLOCK Proteins - deficiency | Host-Pathogen Interactions - immunology | Salmonella Infections, Animal - immunology | Time Factors | Cecum - metabolism | Inflammation Mediators - metabolism | Gene Regulatory Networks - immunology | Cytokines - genetics | Macrophages - immunology | Macrophages - microbiology | Cytokines - immunology | Inflammation Mediators - immunology | Salmonella typhimurium - physiology | Gene Regulatory Networks - genetics | CLOCK Proteins - immunology | Cytokines - metabolism | Salmonella typhimurium - immunology | Mice, Inbred C57BL | Cells, Cultured | Circadian Clocks - immunology | Reverse Transcriptase Polymerase Chain Reaction | Mice, Knockout | Macrophages - metabolism | Animals | Salmonella Infections, Animal - genetics | Salmonella Infections, Animal - microbiology | Mice | Cecum - immunology | Cluster Analysis | Circadian rhythms | Immune response | Physiological aspects | Host-parasite relationships | Research | Health aspects | Biological Sciences
Journal Article