The University of Chicago Header Logo

Howard Halpern

Concepts (406)

Concepts are derived automatically from a person's publications.
Concepts are listed by decreasing relevance which is based on many factors, including how many publications the person wrote about that topic, how long ago those publications were written, and how many publications other people have written on that same topic.


Name Number of Publications Most Recent Publication Publications by All Authors Concept Score Why?
Electron Spin Resonance Spectroscopy
89
2025
324
16.510
Why?
Oxygen
46
2025
762
10.420
Why?
Molecular Imaging
12
2024
70
4.090
Why?
Image Processing, Computer-Assisted
25
2024
1270
4.030
Why?
Fibrosarcoma
14
2020
87
3.490
Why?
Algorithms
21
2024
1960
3.340
Why?
Oximetry
13
2020
87
3.340
Why?
Phantoms, Imaging
23
2024
474
3.170
Why?
Imaging, Three-Dimensional
16
2025
607
3.020
Why?
Diagnostic Imaging
12
2021
461
2.000
Why?
Neoplasms, Experimental
10
2016
270
1.860
Why?
Tumor Hypoxia
7
2025
38
1.800
Why?
Spin Labels
24
2023
107
1.760
Why?
Hypoxia
10
2022
671
1.600
Why?
Mice, Inbred C3H
20
2017
371
1.490
Why?
Neoplasms
17
2024
3123
1.450
Why?
Radiotherapy, Intensity-Modulated
5
2025
181
1.370
Why?
Electrons
3
2017
50
1.220
Why?
Animals
65
2025
28059
1.180
Why?
Radiotherapy, Image-Guided
3
2018
62
1.180
Why?
Mice
42
2025
12133
1.150
Why?
Oxidation-Reduction
7
2023
402
1.110
Why?
Magnetic Resonance Imaging
18
2021
3514
1.090
Why?
Signal Processing, Computer-Assisted
5
2014
203
0.960
Why?
Tomography, X-Ray Computed
6
2024
2685
0.920
Why?
Cell Hypoxia
8
2022
179
0.860
Why?
Mammary Neoplasms, Experimental
2
2014
128
0.770
Why?
Sulfhydryl Compounds
3
2023
69
0.720
Why?
Reproducibility of Results
12
2018
2793
0.700
Why?
Image Enhancement
5
2017
562
0.670
Why?
Radiation Tolerance
2
2013
174
0.660
Why?
Tissue Engineering
2
2017
198
0.580
Why?
Free Radicals
8
2019
70
0.560
Why?
Cyclic N-Oxides
8
2013
33
0.560
Why?
Transplants
1
2017
43
0.540
Why?
Radiotherapy Planning, Computer-Assisted
8
2025
195
0.530
Why?
Muscle Neoplasms
1
2017
17
0.520
Why?
Magnetic Fields
1
2016
11
0.520
Why?
Sensitivity and Specificity
9
2015
2009
0.520
Why?
Signal-To-Noise Ratio
5
2018
109
0.510
Why?
Oxidative Stress
3
2023
464
0.500
Why?
Magnetic Resonance Spectroscopy
2
2017
316
0.500
Why?
Brain Neoplasms
2
2025
807
0.500
Why?
Cell Line, Tumor
11
2025
2662
0.490
Why?
Bone Marrow
1
2017
449
0.490
Why?
Radiotherapy Dosage
8
2025
475
0.490
Why?
Osteogenesis
1
2017
268
0.480
Why?
Antigens, Neoplasm
2
2017
346
0.470
Why?
Computer Graphics
2
2015
101
0.470
Why?
Nitrogen Oxides
8
2016
15
0.470
Why?
Radiotherapy, Conformal
4
2025
85
0.450
Why?
Image Interpretation, Computer-Assisted
3
2013
693
0.450
Why?
Partial Pressure
5
2017
50
0.440
Why?
Artifacts
3
2018
246
0.430
Why?
Diffusion Tensor Imaging
1
2014
69
0.420
Why?
Vascular Endothelial Growth Factor A
2
2013
407
0.410
Why?
Computer Simulation
5
2018
1112
0.410
Why?
Oxygen Consumption
4
2020
251
0.390
Why?
Hindlimb
4
2014
96
0.370
Why?
Humans
51
2025
92352
0.350
Why?
Hydroxyl Radical
4
2000
35
0.340
Why?
Fourier Analysis
3
2024
128
0.340
Why?
Glutathione
2
2023
105
0.330
Why?
Adenocarcinoma
5
2013
1191
0.300
Why?
Printing, Three-Dimensional
2
2020
48
0.300
Why?
Radiation-Protective Agents
2
2012
99
0.290
Why?
Carcinoma
2
2010
438
0.270
Why?
Electromagnetic Fields
4
2014
27
0.260
Why?
X-Ray Microtomography
2
2017
95
0.260
Why?
Urinary Catheterization
1
2006
35
0.250
Why?
Mice, Nude
5
2025
825
0.250
Why?
Superoxides
5
2004
76
0.230
Why?
Misonidazole
2
2022
17
0.230
Why?
Half-Life
6
2017
97
0.220
Why?
Urinary Bladder
1
2006
250
0.220
Why?
Glioblastoma
2
2025
276
0.210
Why?
Data Interpretation, Statistical
3
2013
306
0.200
Why?
Pyridines
3
2000
312
0.200
Why?
Amifostine
1
2003
51
0.200
Why?
Principal Component Analysis
2
2014
164
0.200
Why?
Carcinoma, Squamous Cell
3
2022
1090
0.200
Why?
Mammals
1
2024
247
0.190
Why?
Calibration
2
2017
103
0.180
Why?
Female
21
2020
47901
0.180
Why?
Tumor Cells, Cultured
3
2013
1045
0.170
Why?
Uterine Cervical Neoplasms
3
2020
306
0.170
Why?
High-Intensity Focused Ultrasound Ablation
1
2021
46
0.170
Why?
Kinetics
6
2016
1552
0.170
Why?
Models, Biological
2
2017
1785
0.170
Why?
Rabbits
2
2013
645
0.170
Why?
Body Water
1
1999
35
0.160
Why?
Rats
7
2013
4073
0.160
Why?
Nitric Oxide
4
2009
279
0.160
Why?
Contrast Media
3
2020
1076
0.150
Why?
Tritium
2
2016
133
0.150
Why?
X-Rays
2
2006
138
0.150
Why?
Prostatic Neoplasms
7
2009
1768
0.150
Why?
Homologous Recombination
1
2019
53
0.150
Why?
Indoles
1
2000
305
0.150
Why?
Radio Waves
2
2017
20
0.140
Why?
Molecular Structure
5
2005
308
0.140
Why?
Carbon Dioxide
2
1996
205
0.140
Why?
Chitosan
1
2017
17
0.140
Why?
Gamma Rays
1
2017
73
0.140
Why?
Nanoparticles
1
2019
168
0.140
Why?
Reperfusion Injury
1
2019
146
0.140
Why?
Free Radical Scavengers
2
2012
59
0.140
Why?
Buthionine Sulfoximine
1
2016
6
0.130
Why?
Indenes
1
2017
9
0.130
Why?
Indolequinones
1
2016
1
0.130
Why?
Deuterium
1
2017
35
0.130
Why?
Quantum Theory
1
2017
38
0.130
Why?
Tissue Distribution
2
2013
294
0.130
Why?
Disulfides
1
2016
64
0.130
Why?
Kaplan-Meier Estimate
1
2018
863
0.130
Why?
Image-Guided Biopsy
1
2017
80
0.120
Why?
Gonadotropins, Pituitary
1
1995
11
0.120
Why?
Fluorocarbons
1
1996
71
0.120
Why?
Collagen
1
2017
305
0.120
Why?
Radiation-Sensitizing Agents
1
1996
98
0.120
Why?
Absorption, Radiation
1
2015
4
0.120
Why?
Radiotherapy, Computer-Assisted
1
2015
25
0.120
Why?
Genetic Therapy
2
2009
377
0.120
Why?
Cone-Beam Computed Tomography
1
2016
67
0.120
Why?
Skin Physiological Phenomena
1
2015
27
0.120
Why?
Bone Neoplasms
1
2017
313
0.120
Why?
Solutions
3
2005
86
0.120
Why?
Biophysical Phenomena
2
2010
123
0.120
Why?
Sarcoma, Experimental
1
1994
53
0.120
Why?
Positron-Emission Tomography
3
2022
342
0.120
Why?
Androgens
1
1995
176
0.110
Why?
Radiotherapy
4
2013
324
0.110
Why?
Halothane
1
1994
12
0.110
Why?
Electronics
1
2014
18
0.110
Why?
Prostate-Specific Antigen
2
1995
341
0.110
Why?
Anesthesia, Inhalation
1
1994
36
0.110
Why?
Antigens, Polyomavirus Transforming
1
2014
47
0.110
Why?
Anisotropy
1
2014
63
0.110
Why?
Mammary Tumor Virus, Mouse
1
2014
64
0.100
Why?
Metabolic Clearance Rate
1
2013
118
0.100
Why?
ROC Curve
1
2016
786
0.100
Why?
Myasthenia Gravis
1
1994
83
0.100
Why?
Nitrous Oxide
1
1994
107
0.100
Why?
Radiobiology
1
2013
13
0.100
Why?
Mitochondrial Proteins
1
2014
128
0.100
Why?
Liposomes
2
2010
94
0.100
Why?
Tumor Burden
1
2014
314
0.100
Why?
Reactive Oxygen Species
3
2012
503
0.100
Why?
Hydroxylamine
1
2012
7
0.090
Why?
Nuclear Magnetic Resonance, Biomolecular
1
2012
63
0.090
Why?
Myocardium
4
2002
586
0.090
Why?
Brain Chemistry
1
2012
119
0.090
Why?
Endocytosis
2
2010
185
0.090
Why?
Pyrrolidines
3
2004
60
0.090
Why?
Cell Differentiation
1
2017
1607
0.090
Why?
Proteins
1
2016
802
0.080
Why?
Survival Rate
3
2013
1926
0.080
Why?
Breast Neoplasms
7
2010
3054
0.080
Why?
Cisplatin
2
1994
602
0.080
Why?
Hydroxides
1
1990
9
0.080
Why?
Biomarkers, Tumor
2
1995
1573
0.080
Why?
Cell Physiological Phenomena
1
1990
25
0.080
Why?
Molecular Probes
1
2010
37
0.080
Why?
Temperature
3
2016
405
0.080
Why?
Prognosis
4
2013
3872
0.080
Why?
DNA Damage
1
1991
381
0.080
Why?
Immunoglobulin Fab Fragments
1
2010
84
0.080
Why?
Perfusion Imaging
1
2009
52
0.080
Why?
Diagnosis, Differential
1
2013
1593
0.080
Why?
Subtraction Technique
1
2009
130
0.080
Why?
Drug Delivery Systems
1
2010
183
0.070
Why?
Mice, Knockout
1
2014
2098
0.070
Why?
Equipment Design
3
2015
420
0.070
Why?
Signal Transduction
1
2019
3505
0.070
Why?
Receptor, ErbB-2
1
2010
259
0.070
Why?
Head and Neck Neoplasms
2
2013
1075
0.070
Why?
Membrane Proteins
1
2014
1241
0.070
Why?
Statistical Distributions
1
2006
9
0.070
Why?
Software
2
2011
677
0.070
Why?
Administration, Intravesical
1
2006
34
0.060
Why?
Spectrophotometry
1
2006
108
0.060
Why?
Sample Size
1
2006
125
0.060
Why?
Molecular Conformation
2
2005
107
0.060
Why?
Remission Induction
1
2008
763
0.060
Why?
Models, Chemical
1
2007
180
0.060
Why?
Xanthine
3
2003
6
0.060
Why?
Radionuclide Imaging
1
2006
217
0.060
Why?
Xanthine Oxidase
3
2003
25
0.060
Why?
Radon
1
2005
4
0.060
Why?
Lymphocytes
1
2007
476
0.060
Why?
Elastin
1
2004
8
0.060
Why?
Thermometers
1
2004
6
0.060
Why?
Thermography
1
2004
12
0.060
Why?
Xenograft Model Antitumor Assays
1
2006
501
0.060
Why?
Microwaves
2
2017
32
0.060
Why?
Indicators and Reagents
2
2002
70
0.050
Why?
Esters
1
2003
30
0.050
Why?
Antibodies, Monoclonal
1
2010
1398
0.050
Why?
Injections, Intraperitoneal
1
2003
101
0.050
Why?
Biological Availability
1
2003
90
0.050
Why?
Rhabdomyosarcoma
1
2003
42
0.050
Why?
Models, Statistical
1
2006
578
0.050
Why?
Nitric Oxide Donors
1
2002
12
0.050
Why?
Nitroprusside
1
2002
32
0.050
Why?
Chemistry, Organic
1
2002
2
0.050
Why?
Dioxoles
1
2002
8
0.050
Why?
Pyrroles
1
2003
169
0.050
Why?
Mice, Inbred BALB C
1
2025
1105
0.050
Why?
Heterocyclic Compounds, 3-Ring
1
2002
31
0.050
Why?
Vasospasm, Intracranial
1
2002
35
0.050
Why?
Biomedical Research
2
2003
407
0.050
Why?
Flavanones
1
2002
35
0.050
Why?
Models, Animal
1
2003
281
0.050
Why?
Flavonoids
1
2002
85
0.050
Why?
Administration, Oral
1
2003
670
0.050
Why?
Acoustics
1
2021
52
0.040
Why?
Microbubbles
1
2021
40
0.040
Why?
Mesencephalon
1
2001
64
0.040
Why?
Radiopharmaceuticals
1
2022
195
0.040
Why?
X-Ray Film
1
2020
36
0.040
Why?
Peptides
1
2004
655
0.040
Why?
Polyesters
1
2020
42
0.040
Why?
Proof of Concept Study
1
2020
51
0.040
Why?
Equipment Failure Analysis
2
2015
88
0.040
Why?
Organ Sparing Treatments
1
2020
47
0.040
Why?
Antioxidants
1
2002
224
0.040
Why?
Lung Neoplasms
5
1995
2394
0.040
Why?
Copper
1
2020
78
0.040
Why?
Positron Emission Tomography Computed Tomography
1
2021
100
0.040
Why?
Optical Imaging
1
2020
52
0.040
Why?
Viscosity
1
1999
49
0.040
Why?
Dopamine
1
2001
274
0.040
Why?
Phenotype
1
2006
2503
0.040
Why?
Radiation Injuries
3
1997
160
0.040
Why?
Iron Chelating Agents
1
1999
4
0.040
Why?
Parkinson Disease
1
2001
159
0.040
Why?
Cell Line
2
1996
2504
0.040
Why?
Neoplasm Transplantation
2
2003
398
0.040
Why?
Multimodal Imaging
1
2020
115
0.040
Why?
Porosity
1
2019
62
0.040
Why?
Small Ubiquitin-Related Modifier Proteins
1
2019
12
0.040
Why?
Silicon Dioxide
1
2019
37
0.040
Why?
Fluorescence
1
2019
104
0.040
Why?
Ubiquitins
1
2019
38
0.040
Why?
Heart
1
2002
583
0.040
Why?
Combined Modality Therapy
6
2009
1733
0.040
Why?
Knee Joint
1
2019
162
0.040
Why?
Analysis of Variance
2
2001
899
0.040
Why?
Diffusion Magnetic Resonance Imaging
1
2020
295
0.030
Why?
Aged, 80 and over
8
1997
6918
0.030
Why?
Multivariate Analysis
3
2013
995
0.030
Why?
Rectal Diseases
1
1997
23
0.030
Why?
Hydrocarbons, Brominated
1
1996
4
0.030
Why?
Male
10
2019
43929
0.030
Why?
Biophysics
1
1996
153
0.030
Why?
Binding Sites
2
2016
1131
0.030
Why?
Rectum
1
1997
148
0.030
Why?
Hemibody Irradiation
1
1995
1
0.030
Why?
Disease-Free Survival
2
2013
1178
0.030
Why?
Hemoglobin A
1
1995
8
0.030
Why?
Middle Aged
12
2013
27045
0.030
Why?
Chromatin
1
2019
426
0.030
Why?
Platelet Count
1
1995
92
0.030
Why?
Neoplasm Proteins
1
2019
547
0.030
Why?
Leukocyte Count
1
1995
225
0.030
Why?
Transducers
1
2015
42
0.030
Why?
Cell Division
1
1996
701
0.030
Why?
Radiation, Ionizing
1
1995
124
0.030
Why?
Radiation Dosage
1
2015
229
0.030
Why?
Retrospective Studies
3
2025
9694
0.030
Why?
Vital Capacity
1
1994
69
0.030
Why?
Quality Control
1
2013
117
0.030
Why?
Bone Marrow Transplantation
1
1994
289
0.030
Why?
Aged
10
2001
19953
0.030
Why?
Dermatitis
1
2013
35
0.030
Why?
Symporters
1
2013
109
0.030
Why?
Radiotherapy, High-Energy
1
1993
49
0.030
Why?
Erythropoietin
1
1993
91
0.030
Why?
Alcohol Dehydrogenase
1
1993
42
0.030
Why?
Aldehyde Dehydrogenase
1
1993
17
0.020
Why?
Neoplasm Staging
3
1997
2032
0.020
Why?
Time Factors
4
1995
5431
0.020
Why?
Carcinoma, Non-Small-Cell Lung
2
1991
1136
0.020
Why?
Respiration
1
1994
269
0.020
Why?
Anemia
1
1993
133
0.020
Why?
Logistic Models
1
1995
1239
0.020
Why?
Incidence
2
1994
1661
0.020
Why?
Spin Trapping
2
2003
4
0.020
Why?
Memory
1
1994
223
0.020
Why?
Triacetoneamine-N-Oxyl
1
1991
3
0.020
Why?
Heart Rate
1
1994
502
0.020
Why?
Movement
1
2013
317
0.020
Why?
Technology, Radiologic
1
1992
104
0.020
Why?
Background Radiation
1
2011
1
0.020
Why?
Clinical Protocols
1
1991
157
0.020
Why?
Cells, Cultured
2
2009
2903
0.020
Why?
Drug Resistance
1
1991
235
0.020
Why?
Supratentorial Neoplasms
1
1990
10
0.020
Why?
Cricetinae
1
1991
540
0.020
Why?
Patient Satisfaction
1
1994
505
0.020
Why?
Vulva
1
1990
23
0.020
Why?
Cross-Sectional Studies
1
1995
1773
0.020
Why?
Astrocytoma
1
1990
87
0.020
Why?
Peroxidases
1
1990
34
0.020
Why?
Vulvar Neoplasms
1
1990
19
0.020
Why?
Vitamin K
1
1990
24
0.020
Why?
Blood Pressure
1
1994
907
0.020
Why?
Cells
1
1990
31
0.020
Why?
Trastuzumab
1
2010
78
0.020
Why?
Prostate
1
1992
413
0.020
Why?
Treatment Outcome
2
2013
8730
0.020
Why?
Treatment Failure
2
2002
288
0.020
Why?
Microscopy, Fluorescence
1
2010
441
0.020
Why?
Adult
8
1997
27547
0.020
Why?
Transfection
1
2010
901
0.020
Why?
Liver
1
1993
1225
0.020
Why?
Jurkat Cells
1
2007
82
0.020
Why?
Up-Regulation
1
2010
726
0.020
Why?
Hemoglobins
2
2002
191
0.020
Why?
Lymph Nodes
1
1990
552
0.020
Why?
Nose Neoplasms
1
1984
32
0.010
Why?
Materials Testing
1
2004
94
0.010
Why?
Nasopharyngeal Neoplasms
1
1984
47
0.010
Why?
Antineoplastic Combined Chemotherapy Protocols
1
1994
2555
0.010
Why?
Antibodies, Monoclonal, Humanized
1
2010
976
0.010
Why?
Hot Temperature
1
2004
214
0.010
Why?
Cytochromes c
1
2003
28
0.010
Why?
Technology Assessment, Biomedical
1
2003
27
0.010
Why?
Binding, Competitive
1
2003
146
0.010
Why?
Follow-Up Studies
3
2001
3776
0.010
Why?
Biocompatible Materials
1
2004
197
0.010
Why?
Research Support as Topic
1
2003
89
0.010
Why?
Phosgene
1
2002
1
0.010
Why?
United States Food and Drug Administration
1
2003
137
0.010
Why?
Cisterna Magna
1
2002
11
0.010
Why?
Macaca fascicularis
1
2002
110
0.010
Why?
Radiography, Interventional
1
2003
143
0.010
Why?
National Institutes of Health (U.S.)
1
2003
133
0.010
Why?
Hydrogen-Ion Concentration
1
2003
501
0.010
Why?
Cerebral Arteries
1
2002
75
0.010
Why?
Cyclic GMP
1
2002
61
0.010
Why?
Phenols
1
2002
42
0.010
Why?
Injections
1
2002
119
0.010
Why?
Asteraceae
1
2002
4
0.010
Why?
Myocardial Reperfusion
1
2002
28
0.010
Why?
Microscopy, Video
1
2002
35
0.010
Why?
Catalysis
1
2002
210
0.010
Why?
Mitochondria, Heart
1
2002
52
0.010
Why?
Chick Embryo
1
2002
227
0.010
Why?
Oxidants
1
2002
85
0.010
Why?
Cerebral Angiography
1
2002
212
0.010
Why?
Chelating Agents
1
2002
68
0.010
Why?
Regression Analysis
2
1995
594
0.010
Why?
Actuarial Analysis
1
2001
66
0.010
Why?
Neuroblastoma
1
1984
391
0.010
Why?
Perfusion
1
2002
261
0.010
Why?
Myocardial Ischemia
1
2002
166
0.010
Why?
Plant Extracts
1
2002
245
0.010
Why?
Sarcosine
1
1999
2
0.010
Why?
Thiocarbamates
1
1999
6
0.010
Why?
Drug Stability
1
1999
50
0.010
Why?
Rats, Sprague-Dawley
1
2001
1232
0.010
Why?
Risk Factors
2
2001
5708
0.010
Why?
Fibroblasts
1
2001
771
0.010
Why?
Mitochondria
1
2001
595
0.010
Why?
Dose-Response Relationship, Radiation
1
1997
188
0.010
Why?
Chicago
1
2001
1463
0.010
Why?
United States
2
2003
7367
0.010
Why?
Vincristine
1
1994
109
0.010
Why?
Mitoxantrone
1
1994
68
0.010
Why?
Genital Neoplasms, Female
1
1995
110
0.010
Why?
Methotrexate
1
1994
245
0.010
Why?
Cyclophosphamide
1
1994
304
0.010
Why?
Doxorubicin
1
1994
296
0.010
Why?
Injections, Subcutaneous
1
1993
128
0.010
Why?
Alcohols
1
1993
15
0.010
Why?
Horses
1
1993
35
0.010
Why?
Fluorouracil
1
1994
549
0.010
Why?
Radioimmunoassay
1
1992
151
0.010
Why?
Brain
1
2002
2353
0.010
Why?
Substrate Specificity
1
1993
362
0.010
Why?
Recombinant Proteins
1
1993
1016
0.010
Why?
In Vitro Techniques
1
1993
999
0.010
Why?
Xanthines
1
1991
3
0.010
Why?
Acute Disease
1
1993
855
0.010
Why?
Radiation
1
1990
16
0.010
Why?
Neutrons
1
1990
57
0.010
Why?
Dose-Response Relationship, Drug
1
1994
1938
0.010
Why?
Neoplasm Metastasis
1
1994
1072
0.010
Why?
Esthetics
1
1989
49
0.000
Why?
Neutrophils
1
1991
323
0.000
Why?
Hysterectomy
1
1990
161
0.000
Why?
Mastectomy, Segmental
1
1989
101
0.000
Why?
Carcinoma, Intraductal, Noninfiltrating
1
1989
118
0.000
Why?
Rats, Inbred Strains
1
1988
311
0.000
Why?
Mathematics
1
1988
191
0.000
Why?
Lymph Node Excision
1
1989
225
0.000
Why?
Preoperative Care
1
1990
405
0.000
Why?
Recurrence
1
1990
1180
0.000
Why?
Survival Analysis
1
1990
1512
0.000
Why?
Clinical Trials as Topic
1
1990
1150
0.000
Why?
Keratins
1
1984
64
0.000
Why?
Prospective Studies
1
1993
4474
0.000
Why?
Carcinoma, Small Cell
1
1984
137
0.000
Why?
Cytoplasm
1
1984
284
0.000
Why?
Neoplasm Recurrence, Local
1
1989
1398
0.000
Why?
Halpern's Networks
Click the
Explore
buttons for more information and interactive visualizations!
Concepts (406)
Explore
_
Co-Authors (31)
Explore
_
Similar People (60)
Explore
_
Same Department Expand Description
Explore
_
Physical Neighbors
_