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Howard Halpern

Concepts (405)

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
88
2024
318
17.310
Why?
Oxygen
44
2024
745
10.650
Why?
Molecular Imaging
12
2024
65
4.340
Why?
Image Processing, Computer-Assisted
25
2024
1255
4.230
Why?
Fibrosarcoma
14
2020
85
3.700
Why?
Oximetry
13
2020
82
3.540
Why?
Algorithms
21
2024
1908
3.510
Why?
Phantoms, Imaging
23
2024
462
3.340
Why?
Imaging, Three-Dimensional
15
2024
603
3.000
Why?
Diagnostic Imaging
12
2021
476
2.080
Why?
Neoplasms, Experimental
10
2016
269
1.960
Why?
Spin Labels
24
2023
106
1.860
Why?
Hypoxia
10
2022
657
1.690
Why?
Tumor Hypoxia
6
2022
36
1.660
Why?
Mice, Inbred C3H
20
2017
371
1.570
Why?
Neoplasms
17
2024
3062
1.530
Why?
Electrons
3
2017
50
1.290
Why?
Radiotherapy, Image-Guided
3
2018
58
1.250
Why?
Radiotherapy, Intensity-Modulated
4
2020
173
1.240
Why?
Animals
63
2024
27516
1.210
Why?
Oxidation-Reduction
7
2023
388
1.180
Why?
Mice
40
2022
11846
1.170
Why?
Magnetic Resonance Imaging
18
2021
3468
1.140
Why?
Signal Processing, Computer-Assisted
5
2014
202
1.020
Why?
Tomography, X-Ray Computed
6
2024
2676
0.960
Why?
Cell Hypoxia
8
2022
173
0.910
Why?
Mammary Neoplasms, Experimental
2
2014
127
0.810
Why?
Sulfhydryl Compounds
3
2023
71
0.760
Why?
Reproducibility of Results
12
2018
2766
0.740
Why?
Image Enhancement
5
2017
565
0.700
Why?
Radiation Tolerance
2
2013
173
0.700
Why?
Tissue Engineering
2
2017
191
0.620
Why?
Free Radicals
8
2019
71
0.600
Why?
Cyclic N-Oxides
8
2013
33
0.600
Why?
Transplants
1
2017
42
0.570
Why?
Muscle Neoplasms
1
2017
17
0.560
Why?
Magnetic Fields
1
2016
11
0.550
Why?
Signal-To-Noise Ratio
5
2018
104
0.540
Why?
Sensitivity and Specificity
9
2015
2018
0.540
Why?
Oxidative Stress
3
2023
458
0.530
Why?
Magnetic Resonance Spectroscopy
2
2017
315
0.530
Why?
Bone Marrow
1
2017
443
0.520
Why?
Osteogenesis
1
2017
258
0.510
Why?
Antigens, Neoplasm
2
2017
334
0.500
Why?
Computer Graphics
2
2015
100
0.500
Why?
Nitrogen Oxides
8
2016
15
0.500
Why?
Image Interpretation, Computer-Assisted
3
2013
691
0.470
Why?
Partial Pressure
5
2017
50
0.460
Why?
Radiotherapy Dosage
7
2017
468
0.460
Why?
Artifacts
3
2018
246
0.450
Why?
Cell Line, Tumor
9
2019
2583
0.440
Why?
Diffusion Tensor Imaging
1
2014
71
0.440
Why?
Vascular Endothelial Growth Factor A
2
2013
405
0.430
Why?
Computer Simulation
5
2018
1101
0.420
Why?
Oxygen Consumption
4
2020
245
0.410
Why?
Hindlimb
4
2014
96
0.390
Why?
Humans
50
2024
89864
0.360
Why?
Brain Neoplasms
1
2016
783
0.360
Why?
Hydroxyl Radical
4
2000
35
0.360
Why?
Fourier Analysis
3
2024
128
0.360
Why?
Glutathione
2
2023
108
0.350
Why?
Radiotherapy Planning, Computer-Assisted
7
2020
185
0.340
Why?
Printing, Three-Dimensional
2
2020
45
0.310
Why?
Adenocarcinoma
5
2013
1183
0.310
Why?
Radiation-Protective Agents
2
2012
98
0.300
Why?
Carcinoma
2
2010
438
0.290
Why?
Electromagnetic Fields
4
2014
26
0.280
Why?
X-Ray Microtomography
2
2017
91
0.280
Why?
Urinary Catheterization
1
2006
36
0.270
Why?
Superoxides
5
2004
74
0.250
Why?
Radiotherapy, Conformal
3
2015
82
0.240
Why?
Misonidazole
2
2022
17
0.240
Why?
Half-Life
6
2017
97
0.230
Why?
Urinary Bladder
1
2006
248
0.230
Why?
Data Interpretation, Statistical
3
2013
302
0.220
Why?
Pyridines
3
2000
300
0.210
Why?
Amifostine
1
2003
51
0.210
Why?
Principal Component Analysis
2
2014
161
0.210
Why?
Mice, Nude
4
2019
816
0.210
Why?
Carcinoma, Squamous Cell
3
2022
1096
0.200
Why?
Mammals
1
2024
237
0.200
Why?
Calibration
2
2017
103
0.190
Why?
Female
21
2020
46529
0.190
Why?
Uterine Cervical Neoplasms
3
2020
296
0.180
Why?
Tumor Cells, Cultured
3
2013
1048
0.180
Why?
High-Intensity Focused Ultrasound Ablation
1
2021
43
0.180
Why?
Kinetics
6
2016
1534
0.180
Why?
Rabbits
2
2013
640
0.180
Why?
Models, Biological
2
2017
1765
0.180
Why?
Body Water
1
1999
35
0.170
Why?
Nitric Oxide
4
2009
280
0.170
Why?
Rats
7
2013
4048
0.170
Why?
Tritium
2
2016
133
0.160
Why?
Contrast Media
3
2020
1084
0.160
Why?
X-Rays
2
2006
137
0.160
Why?
Homologous Recombination
1
2019
53
0.160
Why?
Indoles
1
2000
300
0.160
Why?
Prostatic Neoplasms
7
2009
1735
0.150
Why?
Radio Waves
2
2017
15
0.150
Why?
Molecular Structure
5
2005
293
0.150
Why?
Carbon Dioxide
2
1996
201
0.150
Why?
Chitosan
1
2017
17
0.150
Why?
Gamma Rays
1
2017
73
0.150
Why?
Nanoparticles
1
2019
164
0.150
Why?
Free Radical Scavengers
2
2012
59
0.150
Why?
Reperfusion Injury
1
2019
144
0.140
Why?
Buthionine Sulfoximine
1
2016
7
0.140
Why?
Indenes
1
2017
9
0.140
Why?
Indolequinones
1
2016
1
0.140
Why?
Deuterium
1
2017
33
0.140
Why?
Quantum Theory
1
2017
32
0.140
Why?
Tissue Distribution
2
2013
293
0.140
Why?
Disulfides
1
2016
65
0.140
Why?
Kaplan-Meier Estimate
1
2018
854
0.130
Why?
Image-Guided Biopsy
1
2017
78
0.130
Why?
Gonadotropins, Pituitary
1
1995
11
0.130
Why?
Fluorocarbons
1
1996
72
0.130
Why?
Collagen
1
2017
294
0.130
Why?
Radiation-Sensitizing Agents
1
1996
97
0.130
Why?
Absorption, Radiation
1
2015
4
0.130
Why?
Radiotherapy, Computer-Assisted
1
2015
24
0.120
Why?
Cone-Beam Computed Tomography
1
2016
64
0.120
Why?
Skin Physiological Phenomena
1
2015
27
0.120
Why?
Genetic Therapy
2
2009
372
0.120
Why?
Sarcoma, Experimental
1
1994
53
0.120
Why?
Biophysical Phenomena
2
2010
124
0.120
Why?
Solutions
3
2005
86
0.120
Why?
Positron-Emission Tomography
3
2022
337
0.120
Why?
Androgens
1
1995
175
0.120
Why?
Bone Neoplasms
1
2017
321
0.120
Why?
Halothane
1
1994
12
0.120
Why?
Radiotherapy
4
2013
332
0.120
Why?
Electronics
1
2014
17
0.110
Why?
Prostate-Specific Antigen
2
1995
338
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
0.110
Why?
Metabolic Clearance Rate
1
2013
120
0.110
Why?
Myasthenia Gravis
1
1994
83
0.110
Why?
Nitrous Oxide
1
1994
106
0.110
Why?
ROC Curve
1
2016
778
0.110
Why?
Radiobiology
1
2013
13
0.110
Why?
Mitochondrial Proteins
1
2014
127
0.100
Why?
Liposomes
2
2010
93
0.100
Why?
Tumor Burden
1
2014
310
0.100
Why?
Reactive Oxygen Species
3
2012
490
0.100
Why?
Hydroxylamine
1
2012
5
0.100
Why?
Nuclear Magnetic Resonance, Biomolecular
1
2012
61
0.100
Why?
Myocardium
4
2002
573
0.100
Why?
Brain Chemistry
1
2012
122
0.100
Why?
Endocytosis
2
2010
180
0.100
Why?
Pyrrolidines
3
2004
60
0.090
Why?
Cell Differentiation
1
2017
1532
0.090
Why?
Proteins
1
2016
786
0.090
Why?
Survival Rate
3
2013
1898
0.090
Why?
Hydroxides
1
1990
9
0.090
Why?
Cisplatin
2
1994
598
0.090
Why?
Breast Neoplasms
7
2010
3021
0.090
Why?
Biomarkers, Tumor
2
1995
1542
0.090
Why?
Molecular Probes
1
2010
35
0.090
Why?
Cell Physiological Phenomena
1
1990
24
0.090
Why?
Prognosis
4
2013
3789
0.080
Why?
Temperature
3
2016
409
0.080
Why?
DNA Damage
1
1991
373
0.080
Why?
Immunoglobulin Fab Fragments
1
2010
85
0.080
Why?
Perfusion Imaging
1
2009
50
0.080
Why?
Subtraction Technique
1
2009
130
0.080
Why?
Diagnosis, Differential
1
2013
1607
0.080
Why?
Drug Delivery Systems
1
2010
178
0.080
Why?
Mice, Knockout
1
2014
2015
0.080
Why?
Equipment Design
3
2015
422
0.080
Why?
Receptor, ErbB-2
1
2010
247
0.070
Why?
Signal Transduction
1
2019
3403
0.070
Why?
Head and Neck Neoplasms
2
2013
1061
0.070
Why?
Statistical Distributions
1
2006
9
0.070
Why?
Membrane Proteins
1
2014
1227
0.070
Why?
Software
2
2011
669
0.070
Why?
Administration, Intravesical
1
2006
34
0.070
Why?
Spectrophotometry
1
2006
108
0.070
Why?
Molecular Conformation
2
2005
96
0.070
Why?
Sample Size
1
2006
125
0.070
Why?
Remission Induction
1
2008
740
0.070
Why?
Models, Chemical
1
2007
179
0.070
Why?
Xanthine
3
2003
6
0.070
Why?
Radionuclide Imaging
1
2006
222
0.060
Why?
Xanthine Oxidase
3
2003
25
0.060
Why?
Radon
1
2005
4
0.060
Why?
Lymphocytes
1
2007
468
0.060
Why?
Elastin
1
2004
8
0.060
Why?
Thermometers
1
2004
6
0.060
Why?
Thermography
1
2004
14
0.060
Why?
Xenograft Model Antitumor Assays
1
2006
484
0.060
Why?
Microwaves
2
2017
36
0.060
Why?
Indicators and Reagents
2
2002
72
0.060
Why?
Esters
1
2003
30
0.060
Why?
Antibodies, Monoclonal
1
2010
1394
0.050
Why?
Injections, Intraperitoneal
1
2003
101
0.050
Why?
Biological Availability
1
2003
91
0.050
Why?
Rhabdomyosarcoma
1
2003
42
0.050
Why?
Nitric Oxide Donors
1
2002
12
0.050
Why?
Nitroprusside
1
2002
32
0.050
Why?
Models, Statistical
1
2006
576
0.050
Why?
Chemistry, Organic
1
2002
2
0.050
Why?
Dioxoles
1
2002
7
0.050
Why?
Pyrroles
1
2003
172
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
403
0.050
Why?
Flavanones
1
2002
35
0.050
Why?
Models, Animal
1
2003
277
0.050
Why?
Flavonoids
1
2002
84
0.050
Why?
Administration, Oral
1
2003
666
0.050
Why?
Acoustics
1
2021
51
0.050
Why?
Microbubbles
1
2021
38
0.050
Why?
Mesencephalon
1
2001
64
0.050
Why?
X-Ray Film
1
2020
36
0.050
Why?
Radiopharmaceuticals
1
2022
196
0.050
Why?
Peptides
1
2004
649
0.050
Why?
Polyesters
1
2020
42
0.050
Why?
Proof of Concept Study
1
2020
48
0.050
Why?
Organ Sparing Treatments
1
2020
46
0.050
Why?
Equipment Failure Analysis
2
2015
91
0.050
Why?
Antioxidants
1
2002
226
0.040
Why?
Copper
1
2020
78
0.040
Why?
Lung Neoplasms
5
1995
2368
0.040
Why?
Positron Emission Tomography Computed Tomography
1
2021
98
0.040
Why?
Optical Imaging
1
2020
51
0.040
Why?
Viscosity
1
1999
46
0.040
Why?
Dopamine
1
2001
276
0.040
Why?
Phenotype
1
2006
2450
0.040
Why?
Parkinson Disease
1
2001
150
0.040
Why?
Radiation Injuries
3
1997
161
0.040
Why?
Iron Chelating Agents
1
1999
4
0.040
Why?
Neoplasm Transplantation
2
2003
397
0.040
Why?
Multimodal Imaging
1
2020
111
0.040
Why?
Cell Line
2
1996
2495
0.040
Why?
Porosity
1
2019
61
0.040
Why?
Small Ubiquitin-Related Modifier Proteins
1
2019
12
0.040
Why?
Fluorescence
1
2019
103
0.040
Why?
Silicon Dioxide
1
2019
40
0.040
Why?
Ubiquitins
1
2019
38
0.040
Why?
Heart
1
2002
578
0.040
Why?
Combined Modality Therapy
6
2009
1704
0.040
Why?
Knee Joint
1
2019
165
0.040
Why?
Analysis of Variance
2
2001
899
0.040
Why?
Diffusion Magnetic Resonance Imaging
1
2020
300
0.040
Why?
Aged, 80 and over
8
1997
6779
0.040
Why?
Multivariate Analysis
3
2013
983
0.040
Why?
Rectal Diseases
1
1997
23
0.030
Why?
Hydrocarbons, Brominated
1
1996
4
0.030
Why?
Male
10
2019
42614
0.030
Why?
Biophysics
1
1996
153
0.030
Why?
Hemibody Irradiation
1
1995
1
0.030
Why?
Binding Sites
2
2016
1121
0.030
Why?
Middle Aged
12
2013
26103
0.030
Why?
Hemoglobin A
1
1995
8
0.030
Why?
Rectum
1
1997
148
0.030
Why?
Chromatin
1
2019
403
0.030
Why?
Disease-Free Survival
2
2013
1168
0.030
Why?
Platelet Count
1
1995
93
0.030
Why?
Leukocyte Count
1
1995
224
0.030
Why?
Neoplasm Proteins
1
2019
538
0.030
Why?
Transducers
1
2015
42
0.030
Why?
Cell Division
1
1996
692
0.030
Why?
Radiation, Ionizing
1
1995
123
0.030
Why?
Radiation Dosage
1
2015
230
0.030
Why?
Vital Capacity
1
1994
68
0.030
Why?
Bone Marrow Transplantation
1
1994
283
0.030
Why?
Aged
10
2001
19230
0.030
Why?
Quality Control
1
2013
117
0.030
Why?
Dermatitis
1
2013
34
0.030
Why?
Radiotherapy, High-Energy
1
1993
49
0.030
Why?
Symporters
1
2013
108
0.030
Why?
Aldehyde Dehydrogenase
1
1993
15
0.030
Why?
Erythropoietin
1
1993
90
0.030
Why?
Alcohol Dehydrogenase
1
1993
42
0.030
Why?
Neoplasm Staging
3
1997
2000
0.030
Why?
Time Factors
4
1995
5357
0.030
Why?
Carcinoma, Non-Small-Cell Lung
2
1991
1130
0.030
Why?
Respiration
1
1994
267
0.030
Why?
Anemia
1
1993
132
0.020
Why?
Incidence
2
1994
1600
0.020
Why?
Spin Trapping
2
2003
4
0.020
Why?
Logistic Models
1
1995
1214
0.020
Why?
Memory
1
1994
220
0.020
Why?
Triacetoneamine-N-Oxyl
1
1991
3
0.020
Why?
Heart Rate
1
1994
498
0.020
Why?
Technology, Radiologic
1
1992
104
0.020
Why?
Movement
1
2013
311
0.020
Why?
Background Radiation
1
2011
1
0.020
Why?
Clinical Protocols
1
1991
158
0.020
Why?
Cells, Cultured
2
2009
2887
0.020
Why?
Drug Resistance
1
1991
232
0.020
Why?
Supratentorial Neoplasms
1
1990
10
0.020
Why?
Cricetinae
1
1991
558
0.020
Why?
Patient Satisfaction
1
1994
460
0.020
Why?
Vulva
1
1990
23
0.020
Why?
Astrocytoma
1
1990
82
0.020
Why?
Peroxidases
1
1990
34
0.020
Why?
Cross-Sectional Studies
1
1995
1729
0.020
Why?
Vulvar Neoplasms
1
1990
20
0.020
Why?
Vitamin K
1
1990
25
0.020
Why?
Cells
1
1990
32
0.020
Why?
Blood Pressure
1
1994
905
0.020
Why?
Trastuzumab
1
2010
73
0.020
Why?
Treatment Outcome
2
2013
8264
0.020
Why?
Prostate
1
1992
402
0.020
Why?
Treatment Failure
2
2002
278
0.020
Why?
Microscopy, Fluorescence
1
2010
434
0.020
Why?
Adult
8
1997
26784
0.020
Why?
Transfection
1
2010
909
0.020
Why?
Glioblastoma
1
1990
264
0.020
Why?
Liver
1
1993
1211
0.020
Why?
Jurkat Cells
1
2007
77
0.020
Why?
Up-Regulation
1
2010
726
0.020
Why?
Hemoglobins
2
2002
193
0.020
Why?
Lymph Nodes
1
1990
550
0.020
Why?
Nose Neoplasms
1
1984
31
0.010
Why?
Materials Testing
1
2004
93
0.010
Why?
Nasopharyngeal Neoplasms
1
1984
47
0.010
Why?
Antineoplastic Combined Chemotherapy Protocols
1
1994
2505
0.010
Why?
Antibodies, Monoclonal, Humanized
1
2010
952
0.010
Why?
Hot Temperature
1
2004
207
0.010
Why?
Cytochromes c
1
2003
27
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
3670
0.010
Why?
Biocompatible Materials
1
2004
198
0.010
Why?
Research Support as Topic
1
2003
85
0.010
Why?
Phosgene
1
2002
1
0.010
Why?
United States Food and Drug Administration
1
2003
135
0.010
Why?
Cisterna Magna
1
2002
11
0.010
Why?
Macaca fascicularis
1
2002
108
0.010
Why?
National Institutes of Health (U.S.)
1
2003
125
0.010
Why?
Cerebral Arteries
1
2002
75
0.010
Why?
Cyclic GMP
1
2002
62
0.010
Why?
Hydrogen-Ion Concentration
1
2003
503
0.010
Why?
Injections
1
2002
116
0.010
Why?
Phenols
1
2002
41
0.010
Why?
Asteraceae
1
2002
4
0.010
Why?
Myocardial Reperfusion
1
2002
28
0.010
Why?
Radiography, Interventional
1
2003
157
0.010
Why?
Microscopy, Video
1
2002
34
0.010
Why?
Catalysis
1
2002
205
0.010
Why?
Mitochondria, Heart
1
2002
50
0.010
Why?
Cerebral Angiography
1
2002
197
0.010
Why?
Chick Embryo
1
2002
230
0.010
Why?
Oxidants
1
2002
86
0.010
Why?
Chelating Agents
1
2002
69
0.010
Why?
Actuarial Analysis
1
2001
66
0.010
Why?
Regression Analysis
2
1995
591
0.010
Why?
Neuroblastoma
1
1984
400
0.010
Why?
Myocardial Ischemia
1
2002
162
0.010
Why?
Perfusion
1
2002
253
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
52
0.010
Why?
Rats, Sprague-Dawley
1
2001
1237
0.010
Why?
Risk Factors
2
2001
5548
0.010
Why?
Fibroblasts
1
2001
759
0.010
Why?
Mitochondria
1
2001
555
0.010
Why?
Dose-Response Relationship, Radiation
1
1997
189
0.010
Why?
Chicago
1
2001
1431
0.010
Why?
United States
2
2003
7094
0.010
Why?
Vincristine
1
1994
111
0.010
Why?
Mitoxantrone
1
1994
67
0.010
Why?
Genital Neoplasms, Female
1
1995
108
0.010
Why?
Methotrexate
1
1994
243
0.010
Why?
Cyclophosphamide
1
1994
301
0.010
Why?
Doxorubicin
1
1994
293
0.010
Why?
Injections, Subcutaneous
1
1993
122
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
155
0.010
Why?
Brain
1
2002
2303
0.010
Why?
Substrate Specificity
1
1993
352
0.010
Why?
Recombinant Proteins
1
1993
1008
0.010
Why?
Xanthines
1
1991
3
0.010
Why?
In Vitro Techniques
1
1993
996
0.010
Why?
Acute Disease
1
1993
846
0.010
Why?
Radiation
1
1990
15
0.010
Why?
Neutrons
1
1990
57
0.010
Why?
Dose-Response Relationship, Drug
1
1994
1929
0.010
Why?
Neoplasm Metastasis
1
1994
1066
0.010
Why?
Esthetics
1
1989
45
0.010
Why?
Neutrophils
1
1991
311
0.010
Why?
Retrospective Studies
2
1995
9185
0.010
Why?
Hysterectomy
1
1990
156
0.010
Why?
Mastectomy, Segmental
1
1989
101
0.000
Why?
Carcinoma, Intraductal, Noninfiltrating
1
1989
117
0.000
Why?
Rats, Inbred Strains
1
1988
312
0.000
Why?
Mathematics
1
1988
191
0.000
Why?
Lymph Node Excision
1
1989
220
0.000
Why?
Preoperative Care
1
1990
395
0.000
Why?
Recurrence
1
1990
1144
0.000
Why?
Survival Analysis
1
1990
1497
0.000
Why?
Clinical Trials as Topic
1
1990
1134
0.000
Why?
Keratins
1
1984
63
0.000
Why?
Prospective Studies
1
1993
4322
0.000
Why?
Carcinoma, Small Cell
1
1984
133
0.000
Why?
Cytoplasm
1
1984
285
0.000
Why?
Neoplasm Recurrence, Local
1
1989
1350
0.000
Why?
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