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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
88
2024
317
17.530
Why?
Oxygen
44
2024
743
10.790
Why?
Molecular Imaging
12
2024
65
4.400
Why?
Fibrosarcoma
14
2020
85
3.750
Why?
Image Processing, Computer-Assisted
24
2024
1242
3.740
Why?
Oximetry
13
2020
82
3.580
Why?
Algorithms
20
2024
1877
3.080
Why?
Imaging, Three-Dimensional
15
2024
598
3.050
Why?
Phantoms, Imaging
22
2024
448
2.650
Why?
Diagnostic Imaging
12
2021
479
2.100
Why?
Neoplasms, Experimental
10
2016
269
1.980
Why?
Spin Labels
24
2023
106
1.890
Why?
Hypoxia
10
2022
653
1.710
Why?
Tumor Hypoxia
6
2022
31
1.710
Why?
Mice, Inbred C3H
20
2017
371
1.590
Why?
Neoplasms
17
2024
3041
1.550
Why?
Electrons
3
2017
50
1.310
Why?
Radiotherapy, Image-Guided
3
2018
58
1.270
Why?
Radiotherapy, Intensity-Modulated
4
2020
176
1.260
Why?
Animals
63
2024
27371
1.220
Why?
Oxidation-Reduction
7
2023
388
1.200
Why?
Mice
40
2022
11761
1.190
Why?
Magnetic Resonance Imaging
18
2021
3448
1.150
Why?
Signal Processing, Computer-Assisted
5
2014
202
1.030
Why?
Cell Hypoxia
8
2022
170
0.920
Why?
Trityl Compounds
5
2017
6
0.920
Why?
Mammary Neoplasms, Experimental
2
2014
125
0.820
Why?
Sulfhydryl Compounds
3
2023
71
0.770
Why?
Reproducibility of Results
12
2018
2758
0.750
Why?
Image Enhancement
5
2017
567
0.710
Why?
Radiation Tolerance
2
2013
173
0.710
Why?
Tissue Engineering
2
2017
185
0.630
Why?
Free Radicals
8
2019
71
0.610
Why?
Cyclic N-Oxides
8
2013
33
0.610
Why?
Transplants
1
2017
41
0.580
Why?
Muscle Neoplasms
1
2017
18
0.560
Why?
Magnetic Fields
1
2016
11
0.560
Why?
Signal-To-Noise Ratio
5
2018
103
0.550
Why?
Sensitivity and Specificity
9
2015
2015
0.550
Why?
Magnetic Resonance Spectroscopy
2
2017
312
0.540
Why?
Oxidative Stress
3
2023
458
0.540
Why?
Tomography, X-Ray Computed
5
2022
2661
0.530
Why?
Bone Marrow
1
2017
445
0.520
Why?
Osteogenesis
1
2017
255
0.520
Why?
Antigens, Neoplasm
2
2017
332
0.510
Why?
Computer Graphics
2
2015
100
0.510
Why?
Nitrogen Oxides
8
2016
15
0.500
Why?
Image Interpretation, Computer-Assisted
3
2013
688
0.480
Why?
Partial Pressure
5
2017
50
0.470
Why?
Radiotherapy Dosage
7
2017
470
0.460
Why?
Artifacts
3
2018
247
0.460
Why?
Cell Line, Tumor
9
2019
2558
0.440
Why?
Diffusion Tensor Imaging
1
2014
71
0.440
Why?
Vascular Endothelial Growth Factor A
2
2013
424
0.430
Why?
Computer Simulation
5
2018
1097
0.430
Why?
Oxygen Consumption
4
2020
244
0.420
Why?
Hindlimb
4
2014
95
0.400
Why?
Brain Neoplasms
1
2016
782
0.370
Why?
Hydroxyl Radical
4
2000
35
0.370
Why?
Glutathione
2
2023
108
0.350
Why?
Radiotherapy Planning, Computer-Assisted
7
2020
179
0.340
Why?
Humans
49
2024
89357
0.340
Why?
Printing, Three-Dimensional
2
2020
40
0.320
Why?
Adenocarcinoma
5
2013
1194
0.310
Why?
Radiation-Protective Agents
2
2012
98
0.310
Why?
Carcinoma
2
2010
443
0.290
Why?
Electromagnetic Fields
4
2014
26
0.280
Why?
X-Ray Microtomography
2
2017
90
0.280
Why?
Urinary Catheterization
1
2006
36
0.270
Why?
Superoxides
5
2004
74
0.250
Why?
Radiotherapy, Conformal
3
2015
84
0.250
Why?
Misonidazole
2
2022
17
0.240
Why?
Half-Life
6
2017
97
0.240
Why?
Urinary Bladder
1
2006
246
0.230
Why?
Data Interpretation, Statistical
3
2013
299
0.220
Why?
Amifostine
1
2003
51
0.210
Why?
Principal Component Analysis
2
2014
160
0.210
Why?
Pyridines
3
2000
315
0.210
Why?
Mice, Nude
4
2019
815
0.210
Why?
Carcinoma, Squamous Cell
3
2022
1096
0.210
Why?
Mammals
1
2024
235
0.200
Why?
Calibration
2
2017
104
0.190
Why?
Female
21
2020
46202
0.190
Why?
Uterine Cervical Neoplasms
3
2020
296
0.190
Why?
Tumor Cells, Cultured
3
2013
1057
0.190
Why?
High-Intensity Focused Ultrasound Ablation
1
2021
43
0.180
Why?
Kinetics
6
2016
1528
0.180
Why?
Rabbits
2
2013
639
0.180
Why?
Models, Biological
2
2017
1765
0.180
Why?
Body Water
1
1999
35
0.170
Why?
Nitric Oxide
4
2009
279
0.170
Why?
Rats
7
2013
4041
0.170
Why?
Tritium
2
2016
133
0.170
Why?
X-Rays
2
2006
135
0.160
Why?
Contrast Media
3
2020
1091
0.160
Why?
Homologous Recombination
1
2019
52
0.160
Why?
Prostatic Neoplasms
7
2009
1769
0.160
Why?
Indoles
1
2000
314
0.160
Why?
Radio Waves
2
2017
15
0.150
Why?
Molecular Structure
5
2005
290
0.150
Why?
Carbon Dioxide
2
1996
202
0.150
Why?
Chitosan
1
2017
18
0.150
Why?
Gamma Rays
1
2017
73
0.150
Why?
Nanoparticles
1
2019
164
0.150
Why?
Reperfusion Injury
1
2019
141
0.150
Why?
Free Radical Scavengers
2
2012
59
0.150
Why?
Buthionine Sulfoximine
1
2016
7
0.140
Why?
Indenes
1
2017
10
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
64
0.140
Why?
Fourier Analysis
2
2007
126
0.140
Why?
Image-Guided Biopsy
1
2017
68
0.140
Why?
Kaplan-Meier Estimate
1
2018
860
0.130
Why?
Gonadotropins, Pituitary
1
1995
11
0.130
Why?
Fluorocarbons
1
1996
72
0.130
Why?
Collagen
1
2017
293
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
25
0.130
Why?
Cone-Beam Computed Tomography
1
2016
63
0.130
Why?
Skin Physiological Phenomena
1
2015
27
0.130
Why?
Genetic Therapy
2
2009
370
0.130
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
176
0.120
Why?
Bone Neoplasms
1
2017
329
0.120
Why?
Halothane
1
1994
12
0.120
Why?
Radiotherapy
4
2013
333
0.120
Why?
Electronics
1
2014
17
0.120
Why?
Prostate-Specific Antigen
2
1995
360
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
107
0.110
Why?
ROC Curve
1
2016
781
0.110
Why?
Radiobiology
1
2013
13
0.110
Why?
Mitochondrial Proteins
1
2014
127
0.110
Why?
Liposomes
2
2010
93
0.110
Why?
Tumor Burden
1
2014
308
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
571
0.100
Why?
Brain Chemistry
1
2012
122
0.100
Why?
Endocytosis
2
2010
180
0.100
Why?
Pyrrolidines
3
2004
59
0.100
Why?
Cell Differentiation
1
2017
1525
0.090
Why?
Proteins
1
2016
787
0.090
Why?
Survival Rate
3
2013
1901
0.090
Why?
Hydroxides
1
1990
9
0.090
Why?
Cisplatin
2
1994
618
0.090
Why?
Breast Neoplasms
7
2010
3011
0.090
Why?
Molecular Probes
1
2010
35
0.090
Why?
Cell Physiological Phenomena
1
1990
24
0.090
Why?
Biomarkers, Tumor
2
1995
1549
0.090
Why?
Prognosis
4
2013
3783
0.090
Why?
Temperature
3
2016
404
0.090
Why?
DNA Damage
1
1991
371
0.080
Why?
Immunoglobulin Fab Fragments
1
2010
83
0.080
Why?
Perfusion Imaging
1
2009
50
0.080
Why?
Mice, Knockout
1
2014
2001
0.080
Why?
Diagnosis, Differential
1
2013
1597
0.080
Why?
Subtraction Technique
1
2009
132
0.080
Why?
Drug Delivery Systems
1
2010
179
0.080
Why?
Equipment Design
3
2015
417
0.080
Why?
Receptor, ErbB-2
1
2010
246
0.080
Why?
Signal Transduction
1
2019
3385
0.080
Why?
Head and Neck Neoplasms
2
2013
1063
0.070
Why?
Statistical Distributions
1
2006
9
0.070
Why?
Membrane Proteins
1
2014
1224
0.070
Why?
Software
2
2011
665
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
128
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
221
0.070
Why?
Xanthine Oxidase
3
2003
25
0.060
Why?
Radon
1
2005
4
0.060
Why?
Lymphocytes
1
2007
471
0.060
Why?
Elastin
1
2004
8
0.060
Why?
Thermometers
1
2004
6
0.060
Why?
Xenograft Model Antitumor Assays
1
2006
470
0.060
Why?
Thermography
1
2004
14
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
1412
0.050
Why?
Injections, Intraperitoneal
1
2003
101
0.050
Why?
Biological Availability
1
2003
92
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?
Chemistry, Organic
1
2002
2
0.050
Why?
Dioxoles
1
2002
7
0.050
Why?
Models, Statistical
1
2006
576
0.050
Why?
Heterocyclic Compounds, 3-Ring
1
2002
31
0.050
Why?
Vasospasm, Intracranial
1
2002
35
0.050
Why?
Pyrroles
1
2003
187
0.050
Why?
Biomedical Research
2
2003
398
0.050
Why?
Flavanones
1
2002
35
0.050
Why?
Models, Animal
1
2003
277
0.050
Why?
Flavonoids
1
2002
87
0.050
Why?
Administration, Oral
1
2003
682
0.050
Why?
Acoustics
1
2021
51
0.050
Why?
Microbubbles
1
2021
36
0.050
Why?
Mesencephalon
1
2001
64
0.050
Why?
X-Ray Film
1
2020
36
0.050
Why?
Radiopharmaceuticals
1
2022
193
0.050
Why?
Peptides
1
2004
648
0.050
Why?
Polyesters
1
2020
41
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
89
0.050
Why?
Antioxidants
1
2002
226
0.050
Why?
Copper
1
2020
78
0.040
Why?
Lung Neoplasms
5
1995
2362
0.040
Why?
Positron Emission Tomography Computed Tomography
1
2021
93
0.040
Why?
Optical Imaging
1
2020
50
0.040
Why?
Viscosity
1
1999
46
0.040
Why?
Phenotype
1
2006
2440
0.040
Why?
Dopamine
1
2001
276
0.040
Why?
Parkinson Disease
1
2001
146
0.040
Why?
Iron Chelating Agents
1
1999
4
0.040
Why?
Radiation Injuries
3
1997
162
0.040
Why?
Neoplasm Transplantation
2
2003
397
0.040
Why?
Multimodal Imaging
1
2020
111
0.040
Why?
Cell Line
2
1996
2496
0.040
Why?
Porosity
1
2019
60
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
574
0.040
Why?
Combined Modality Therapy
6
2009
1719
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
302
0.040
Why?
Aged, 80 and over
8
1997
6811
0.040
Why?
Multivariate Analysis
3
2013
988
0.040
Why?
Rectal Diseases
1
1997
24
0.040
Why?
Hydrocarbons, Brominated
1
1996
4
0.030
Why?
Male
10
2019
42411
0.030
Why?
Biophysics
1
1996
153
0.030
Why?
Hemibody Irradiation
1
1995
1
0.030
Why?
Middle Aged
12
2013
25974
0.030
Why?
Binding Sites
2
2016
1117
0.030
Why?
Hemoglobin A
1
1995
8
0.030
Why?
Rectum
1
1997
148
0.030
Why?
Chromatin
1
2019
397
0.030
Why?
Disease-Free Survival
2
2013
1214
0.030
Why?
Platelet Count
1
1995
93
0.030
Why?
Leukocyte Count
1
1995
223
0.030
Why?
Neoplasm Proteins
1
2019
540
0.030
Why?
Transducers
1
2015
42
0.030
Why?
Radiation, Ionizing
1
1995
121
0.030
Why?
Cell Division
1
1996
696
0.030
Why?
Radiation Dosage
1
2015
226
0.030
Why?
Vital Capacity
1
1994
68
0.030
Why?
Aged
10
2001
19165
0.030
Why?
Bone Marrow Transplantation
1
1994
283
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?
Aldehyde Dehydrogenase
1
1993
15
0.030
Why?
Symporters
1
2013
108
0.030
Why?
Erythropoietin
1
1993
90
0.030
Why?
Alcohol Dehydrogenase
1
1993
42
0.030
Why?
Neoplasm Staging
3
1997
2018
0.030
Why?
Time Factors
4
1995
5338
0.030
Why?
Carcinoma, Non-Small-Cell Lung
2
1991
1120
0.030
Why?
Anemia
1
1993
130
0.030
Why?
Respiration
1
1994
267
0.030
Why?
Incidence
2
1994
1595
0.020
Why?
Spin Trapping
2
2003
4
0.020
Why?
Logistic Models
1
1995
1213
0.020
Why?
Memory
1
1994
220
0.020
Why?
Triacetoneamine-N-Oxyl
1
1991
3
0.020
Why?
Heart Rate
1
1994
495
0.020
Why?
Technology, Radiologic
1
1992
104
0.020
Why?
Movement
1
2013
309
0.020
Why?
Background Radiation
1
2011
1
0.020
Why?
Clinical Protocols
1
1991
157
0.020
Why?
Cells, Cultured
2
2009
2884
0.020
Why?
Supratentorial Neoplasms
1
1990
10
0.020
Why?
Drug Resistance
1
1991
232
0.020
Why?
Cricetinae
1
1991
558
0.020
Why?
Patient Satisfaction
1
1994
461
0.020
Why?
Vulva
1
1990
23
0.020
Why?
Astrocytoma
1
1990
82
0.020
Why?
Cross-Sectional Studies
1
1995
1714
0.020
Why?
Peroxidases
1
1990
34
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
900
0.020
Why?
Trastuzumab
1
2010
74
0.020
Why?
Treatment Outcome
2
2013
8241
0.020
Why?
Prostate
1
1992
393
0.020
Why?
Treatment Failure
2
2002
287
0.020
Why?
Microscopy, Fluorescence
1
2010
428
0.020
Why?
Adult
8
1997
26607
0.020
Why?
Transfection
1
2010
911
0.020
Why?
Glioblastoma
1
1990
265
0.020
Why?
Liver
1
1993
1208
0.020
Why?
Jurkat Cells
1
2007
77
0.020
Why?
Up-Regulation
1
2010
727
0.020
Why?
Hemoglobins
2
2002
192
0.020
Why?
Lymph Nodes
1
1990
548
0.020
Why?
Nose Neoplasms
1
1984
31
0.020
Why?
Materials Testing
1
2004
93
0.010
Why?
Nasopharyngeal Neoplasms
1
1984
47
0.010
Why?
Antibodies, Monoclonal, Humanized
1
2010
969
0.010
Why?
Antineoplastic Combined Chemotherapy Protocols
1
1994
2566
0.010
Why?
Hot Temperature
1
2004
208
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
3666
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
60
0.010
Why?
Hydrogen-Ion Concentration
1
2003
501
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
154
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
590
0.010
Why?
Perfusion
1
2002
236
0.010
Why?
Neuroblastoma
1
1984
395
0.010
Why?
Myocardial Ischemia
1
2002
162
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
49
0.010
Why?
Rats, Sprague-Dawley
1
2001
1237
0.010
Why?
Risk Factors
2
2001
5499
0.010
Why?
Fibroblasts
1
2001
755
0.010
Why?
Mitochondria
1
2001
553
0.010
Why?
Dose-Response Relationship, Radiation
1
1997
188
0.010
Why?
Chicago
1
2001
1427
0.010
Why?
United States
2
2003
6989
0.010
Why?
Vincristine
1
1994
112
0.010
Why?
Mitoxantrone
1
1994
68
0.010
Why?
Genital Neoplasms, Female
1
1995
108
0.010
Why?
Methotrexate
1
1994
250
0.010
Why?
Cyclophosphamide
1
1994
302
0.010
Why?
Doxorubicin
1
1994
301
0.010
Why?
Injections, Subcutaneous
1
1993
125
0.010
Why?
Alcohols
1
1993
15
0.010
Why?
Horses
1
1993
35
0.010
Why?
Fluorouracil
1
1994
561
0.010
Why?
Radioimmunoassay
1
1992
155
0.010
Why?
Brain
1
2002
2285
0.010
Why?
Substrate Specificity
1
1993
352
0.010
Why?
Recombinant Proteins
1
1993
1012
0.010
Why?
Xanthines
1
1991
3
0.010
Why?
In Vitro Techniques
1
1993
996
0.010
Why?
Acute Disease
1
1993
841
0.010
Why?
Radiation
1
1990
15
0.010
Why?
Neutrons
1
1990
57
0.010
Why?
Dose-Response Relationship, Drug
1
1994
1942
0.010
Why?
Neoplasm Metastasis
1
1994
1109
0.010
Why?
Esthetics
1
1989
45
0.010
Why?
Neutrophils
1
1991
308
0.010
Why?
Hysterectomy
1
1990
151
0.010
Why?
Retrospective Studies
2
1995
9057
0.010
Why?
Mastectomy, Segmental
1
1989
101
0.010
Why?
Carcinoma, Intraductal, Noninfiltrating
1
1989
116
0.010
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
396
0.000
Why?
Recurrence
1
1990
1144
0.000
Why?
Survival Analysis
1
1990
1534
0.000
Why?
Clinical Trials as Topic
1
1990
1150
0.000
Why?
Keratins
1
1984
63
0.000
Why?
Prospective Studies
1
1993
4289
0.000
Why?
Carcinoma, Small Cell
1
1984
133
0.000
Why?
Cytoplasm
1
1984
284
0.000
Why?
Neoplasm Recurrence, Local
1
1989
1365
0.000
Why?
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