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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
84
2022
306
17.660
Why?
Oxygen
42
2022
726
10.560
Why?
Molecular Imaging
11
2017
64
4.370
Why?
Fibrosarcoma
14
2020
84
3.920
Why?
Oximetry
13
2020
84
3.730
Why?
Image Processing, Computer-Assisted
22
2022
1204
3.240
Why?
Imaging, Three-Dimensional
13
2021
579
2.830
Why?
Algorithms
18
2022
1830
2.540
Why?
Diagnostic Imaging
12
2021
469
2.190
Why?
Neoplasms, Experimental
10
2016
269
2.060
Why?
Phantoms, Imaging
20
2022
429
1.950
Why?
Tumor Hypoxia
6
2022
29
1.790
Why?
Hypoxia
10
2022
641
1.790
Why?
Spin Labels
23
2017
102
1.760
Why?
Mice, Inbred C3H
20
2017
370
1.660
Why?
Neoplasms
16
2020
2898
1.550
Why?
Electrons
3
2017
49
1.370
Why?
Radiotherapy, Image-Guided
3
2018
56
1.330
Why?
Radiotherapy, Intensity-Modulated
4
2020
173
1.310
Why?
Mice
40
2022
11352
1.250
Why?
Magnetic Resonance Imaging
18
2021
3362
1.210
Why?
Animals
61
2022
26582
1.170
Why?
Signal Processing, Computer-Assisted
5
2014
201
1.080
Why?
Cell Hypoxia
8
2022
164
0.960
Why?
Trityl Compounds
5
2017
6
0.960
Why?
Mammary Neoplasms, Experimental
2
2014
124
0.860
Why?
Reproducibility of Results
12
2018
2705
0.780
Why?
Radiation Tolerance
2
2013
168
0.740
Why?
Image Enhancement
5
2017
563
0.740
Why?
Tissue Engineering
2
2017
181
0.660
Why?
Free Radicals
8
2019
73
0.630
Why?
Cyclic N-Oxides
8
2013
33
0.630
Why?
Transplants
1
2017
40
0.600
Why?
Muscle Neoplasms
1
2017
18
0.590
Why?
Magnetic Fields
1
2016
11
0.590
Why?
Sulfhydryl Compounds
2
2017
69
0.580
Why?
Signal-To-Noise Ratio
5
2018
96
0.580
Why?
Sensitivity and Specificity
9
2015
1991
0.570
Why?
Magnetic Resonance Spectroscopy
2
2017
318
0.560
Why?
Tomography, X-Ray Computed
5
2022
2601
0.560
Why?
Bone Marrow
1
2017
435
0.550
Why?
Osteogenesis
1
2017
242
0.550
Why?
Antigens, Neoplasm
2
2017
325
0.530
Why?
Computer Graphics
2
2015
100
0.530
Why?
Nitrogen Oxides
8
2016
14
0.530
Why?
Image Interpretation, Computer-Assisted
3
2013
663
0.500
Why?
Partial Pressure
5
2017
50
0.490
Why?
Radiotherapy Dosage
7
2017
468
0.480
Why?
Artifacts
3
2018
244
0.470
Why?
Cell Line, Tumor
9
2019
2426
0.470
Why?
Diffusion Tensor Imaging
1
2014
67
0.460
Why?
Vascular Endothelial Growth Factor A
2
2013
407
0.450
Why?
Computer Simulation
5
2018
1078
0.450
Why?
Oxygen Consumption
4
2020
239
0.440
Why?
Oxidation-Reduction
6
2016
373
0.420
Why?
Hindlimb
4
2014
89
0.420
Why?
Brain Neoplasms
1
2016
763
0.390
Why?
Hydroxyl Radical
4
2000
35
0.380
Why?
Oxidative Stress
2
2012
447
0.380
Why?
Radiotherapy Planning, Computer-Assisted
7
2020
176
0.360
Why?
Printing, Three-Dimensional
2
2020
37
0.340
Why?
Adenocarcinoma
5
2013
1169
0.330
Why?
Radiation-Protective Agents
2
2012
96
0.320
Why?
Carcinoma
2
2010
436
0.300
Why?
Humans
47
2020
86643
0.300
Why?
Electromagnetic Fields
4
2014
26
0.300
Why?
X-Ray Microtomography
2
2017
80
0.290
Why?
Urinary Catheterization
1
2006
35
0.280
Why?
Superoxides
5
2004
73
0.260
Why?
Radiotherapy, Conformal
3
2015
83
0.260
Why?
Misonidazole
2
2022
17
0.250
Why?
Half-Life
6
2017
96
0.250
Why?
Urinary Bladder
1
2006
246
0.240
Why?
Data Interpretation, Statistical
3
2013
297
0.230
Why?
Amifostine
1
2003
51
0.220
Why?
Principal Component Analysis
2
2014
155
0.220
Why?
Pyridines
3
2000
310
0.220
Why?
Mice, Nude
4
2019
790
0.220
Why?
Carcinoma, Squamous Cell
3
2022
1076
0.210
Why?
Calibration
2
2017
99
0.200
Why?
Female
21
2020
44532
0.200
Why?
Uterine Cervical Neoplasms
3
2020
275
0.200
Why?
Tumor Cells, Cultured
3
2013
1041
0.190
Why?
High-Intensity Focused Ultrasound Ablation
1
2021
40
0.190
Why?
Kinetics
6
2016
1513
0.190
Why?
Rabbits
2
2013
636
0.190
Why?
Models, Biological
2
2017
1749
0.190
Why?
Body Water
1
1999
35
0.180
Why?
Nitric Oxide
4
2009
278
0.180
Why?
Rats
7
2013
3990
0.170
Why?
Tritium
2
2016
133
0.170
Why?
X-Rays
2
2006
130
0.170
Why?
Contrast Media
3
2020
1078
0.170
Why?
Homologous Recombination
1
2019
51
0.170
Why?
Indoles
1
2000
318
0.160
Why?
Prostatic Neoplasms
7
2009
1721
0.160
Why?
Radio Waves
2
2017
17
0.160
Why?
Molecular Structure
5
2005
287
0.160
Why?
Carbon Dioxide
2
1996
188
0.160
Why?
Chitosan
1
2017
18
0.160
Why?
Gamma Rays
1
2017
72
0.160
Why?
Reperfusion Injury
1
2019
131
0.160
Why?
Nanoparticles
1
2019
157
0.150
Why?
Free Radical Scavengers
2
2012
59
0.150
Why?
Buthionine Sulfoximine
1
2016
7
0.150
Why?
Indenes
1
2017
9
0.150
Why?
Indolequinones
1
2016
1
0.150
Why?
Deuterium
1
2017
33
0.150
Why?
Quantum Theory
1
2017
28
0.150
Why?
Tissue Distribution
2
2013
290
0.150
Why?
Disulfides
1
2016
64
0.150
Why?
Glutathione
1
2016
104
0.140
Why?
Image-Guided Biopsy
1
2017
66
0.140
Why?
Fourier Analysis
2
2007
125
0.140
Why?
Kaplan-Meier Estimate
1
2018
860
0.140
Why?
Gonadotropins, Pituitary
1
1995
11
0.140
Why?
Collagen
1
2017
269
0.140
Why?
Fluorocarbons
1
1996
72
0.140
Why?
Radiation-Sensitizing Agents
1
1996
94
0.140
Why?
Genetic Therapy
2
2009
342
0.140
Why?
Absorption, Radiation
1
2015
4
0.130
Why?
Radiotherapy, Computer-Assisted
1
2015
25
0.130
Why?
Skin Physiological Phenomena
1
2015
27
0.130
Why?
Cone-Beam Computed Tomography
1
2016
64
0.130
Why?
Biophysical Phenomena
2
2010
120
0.130
Why?
Sarcoma, Experimental
1
1994
53
0.130
Why?
Androgens
1
1995
167
0.130
Why?
Solutions
3
2005
85
0.130
Why?
Positron-Emission Tomography
3
2022
329
0.130
Why?
Bone Neoplasms
1
2017
322
0.130
Why?
Halothane
1
1994
12
0.120
Why?
Electronics
1
2014
15
0.120
Why?
Radiotherapy
4
2013
328
0.120
Why?
Prostate-Specific Antigen
2
1995
353
0.120
Why?
Anesthesia, Inhalation
1
1994
36
0.120
Why?
Antigens, Polyomavirus Transforming
1
2014
47
0.120
Why?
Anisotropy
1
2014
62
0.120
Why?
Mammary Tumor Virus, Mouse
1
2014
63
0.120
Why?
Metabolic Clearance Rate
1
2013
121
0.120
Why?
ROC Curve
1
2016
752
0.120
Why?
Myasthenia Gravis
1
1994
83
0.110
Why?
Nitrous Oxide
1
1994
107
0.110
Why?
Radiobiology
1
2013
13
0.110
Why?
Mitochondrial Proteins
1
2014
123
0.110
Why?
Liposomes
2
2010
91
0.110
Why?
Tumor Burden
1
2014
289
0.110
Why?
Hydroxylamine
1
2012
5
0.110
Why?
Reactive Oxygen Species
3
2012
480
0.110
Why?
Myocardium
4
2002
529
0.110
Why?
Nuclear Magnetic Resonance, Biomolecular
1
2012
60
0.110
Why?
Endocytosis
2
2010
177
0.100
Why?
Brain Chemistry
1
2012
121
0.100
Why?
Pyrrolidines
3
2004
58
0.100
Why?
Cell Differentiation
1
2017
1458
0.100
Why?
Proteins
1
2016
777
0.090
Why?
Survival Rate
3
2013
1863
0.090
Why?
Hydroxides
1
1990
9
0.090
Why?
Breast Neoplasms
7
2010
2903
0.090
Why?
Biomarkers, Tumor
2
1995
1464
0.090
Why?
Cisplatin
2
1994
612
0.090
Why?
Molecular Probes
1
2010
35
0.090
Why?
Cell Physiological Phenomena
1
1990
24
0.090
Why?
Prognosis
4
2013
3679
0.090
Why?
Temperature
3
2016
396
0.090
Why?
DNA Damage
1
1991
366
0.090
Why?
Immunoglobulin Fab Fragments
1
2010
81
0.090
Why?
Perfusion Imaging
1
2009
50
0.090
Why?
Mice, Knockout
1
2014
1924
0.090
Why?
Diagnosis, Differential
1
2013
1565
0.080
Why?
Subtraction Technique
1
2009
133
0.080
Why?
Drug Delivery Systems
1
2010
178
0.080
Why?
Receptor, ErbB-2
1
2010
223
0.080
Why?
Equipment Design
3
2015
406
0.080
Why?
Signal Transduction
1
2019
3241
0.080
Why?
Statistical Distributions
1
2006
9
0.070
Why?
Head and Neck Neoplasms
2
2013
1052
0.070
Why?
Membrane Proteins
1
2014
1196
0.070
Why?
Software
2
2011
654
0.070
Why?
Administration, Intravesical
1
2006
33
0.070
Why?
Spectrophotometry
1
2006
106
0.070
Why?
Molecular Conformation
2
2005
96
0.070
Why?
Remission Induction
1
2008
722
0.070
Why?
Sample Size
1
2006
130
0.070
Why?
Models, Chemical
1
2007
178
0.070
Why?
Xanthine
3
2003
6
0.070
Why?
Radionuclide Imaging
1
2006
220
0.070
Why?
Xanthine Oxidase
3
2003
26
0.070
Why?
Radon
1
2005
4
0.070
Why?
Lymphocytes
1
2007
464
0.070
Why?
Elastin
1
2004
7
0.060
Why?
Thermometers
1
2004
6
0.060
Why?
Xenograft Model Antitumor Assays
1
2006
458
0.060
Why?
Thermography
1
2004
13
0.060
Why?
Microwaves
2
2017
34
0.060
Why?
Indicators and Reagents
2
2002
72
0.060
Why?
Esters
1
2003
29
0.060
Why?
Antibodies, Monoclonal
1
2010
1376
0.060
Why?
Injections, Intraperitoneal
1
2003
102
0.060
Why?
Biological Availability
1
2003
92
0.060
Why?
Rhabdomyosarcoma
1
2003
40
0.060
Why?
Nitric Oxide Donors
1
2002
12
0.060
Why?
Nitroprusside
1
2002
32
0.060
Why?
Chemistry, Organic
1
2002
2
0.060
Why?
Dioxoles
1
2002
5
0.050
Why?
Models, Statistical
1
2006
574
0.050
Why?
Heterocyclic Compounds, 3-Ring
1
2002
26
0.050
Why?
Vasospasm, Intracranial
1
2002
36
0.050
Why?
Pyrroles
1
2003
184
0.050
Why?
Biomedical Research
2
2003
376
0.050
Why?
Flavanones
1
2002
35
0.050
Why?
Models, Animal
1
2003
263
0.050
Why?
Flavonoids
1
2002
85
0.050
Why?
Acoustics
1
2021
51
0.050
Why?
Administration, Oral
1
2003
684
0.050
Why?
Microbubbles
1
2021
36
0.050
Why?
Radiopharmaceuticals
1
2022
180
0.050
Why?
Mesencephalon
1
2001
64
0.050
Why?
X-Ray Film
1
2020
36
0.050
Why?
Peptides
1
2004
639
0.050
Why?
Proof of Concept Study
1
2020
38
0.050
Why?
Polyesters
1
2020
41
0.050
Why?
Organ Sparing Treatments
1
2020
38
0.050
Why?
Equipment Failure Analysis
2
2015
90
0.050
Why?
Copper
1
2020
71
0.050
Why?
Antioxidants
1
2002
223
0.050
Why?
Lung Neoplasms
5
1995
2262
0.050
Why?
Positron Emission Tomography Computed Tomography
1
2021
86
0.050
Why?
Optical Imaging
1
2020
48
0.050
Why?
Parkinson Disease
1
2001
132
0.050
Why?
Viscosity
1
1999
46
0.050
Why?
Phenotype
1
2006
2378
0.040
Why?
Dopamine
1
2001
275
0.040
Why?
Radiation Injuries
3
1997
155
0.040
Why?
Iron Chelating Agents
1
1999
4
0.040
Why?
Neoplasm Transplantation
2
2003
391
0.040
Why?
Multimodal Imaging
1
2020
110
0.040
Why?
Porosity
1
2019
60
0.040
Why?
Cell Line
2
1996
2468
0.040
Why?
Small Ubiquitin-Related Modifier Proteins
1
2019
12
0.040
Why?
Fluorescence
1
2019
102
0.040
Why?
Silicon Dioxide
1
2019
39
0.040
Why?
Ubiquitins
1
2019
38
0.040
Why?
Heart
1
2002
539
0.040
Why?
Combined Modality Therapy
6
2009
1686
0.040
Why?
Knee Joint
1
2019
168
0.040
Why?
Analysis of Variance
2
2001
912
0.040
Why?
Aged, 80 and over
8
1997
6509
0.040
Why?
Diffusion Magnetic Resonance Imaging
1
2020
294
0.040
Why?
Rectal Diseases
1
1997
24
0.040
Why?
Multivariate Analysis
3
2013
999
0.040
Why?
Male
10
2019
40965
0.040
Why?
Hydrocarbons, Brominated
1
1996
4
0.040
Why?
Middle Aged
12
2013
25028
0.040
Why?
Biophysics
1
1996
152
0.030
Why?
Hemibody Irradiation
1
1995
1
0.030
Why?
Chromatin
1
2019
380
0.030
Why?
Hemoglobin A
1
1995
8
0.030
Why?
Binding Sites
2
2016
1098
0.030
Why?
Rectum
1
1997
146
0.030
Why?
Disease-Free Survival
2
2013
1204
0.030
Why?
Platelet Count
1
1995
92
0.030
Why?
Leukocyte Count
1
1995
220
0.030
Why?
Transducers
1
2015
41
0.030
Why?
Neoplasm Proteins
1
2019
532
0.030
Why?
Radiation, Ionizing
1
1995
121
0.030
Why?
Cell Division
1
1996
696
0.030
Why?
Radiation Dosage
1
2015
227
0.030
Why?
Aged
10
2001
18415
0.030
Why?
Vital Capacity
1
1994
64
0.030
Why?
Quality Control
1
2013
117
0.030
Why?
Bone Marrow Transplantation
1
1994
286
0.030
Why?
Dermatitis
1
2013
32
0.030
Why?
Symporters
1
2013
107
0.030
Why?
Radiotherapy, High-Energy
1
1993
49
0.030
Why?
Erythropoietin
1
1993
91
0.030
Why?
Aldehyde Dehydrogenase
1
1993
14
0.030
Why?
Alcohol Dehydrogenase
1
1993
42
0.030
Why?
Neoplasm Staging
3
1997
1939
0.030
Why?
Time Factors
4
1995
5210
0.030
Why?
Carcinoma, Non-Small-Cell Lung
2
1991
1075
0.030
Why?
Anemia
1
1993
128
0.030
Why?
Respiration
1
1994
262
0.030
Why?
Spin Trapping
2
2003
4
0.030
Why?
Incidence
2
1994
1577
0.030
Why?
Logistic Models
1
1995
1186
0.030
Why?
Triacetoneamine-N-Oxyl
1
1991
3
0.030
Why?
Memory
1
1994
225
0.030
Why?
Movement
1
2013
299
0.030
Why?
Technology, Radiologic
1
1992
103
0.020
Why?
Background Radiation
1
2011
1
0.020
Why?
Heart Rate
1
1994
492
0.020
Why?
Clinical Protocols
1
1991
156
0.020
Why?
Cells, Cultured
2
2009
2818
0.020
Why?
Supratentorial Neoplasms
1
1990
10
0.020
Why?
Cricetinae
1
1991
560
0.020
Why?
Patient Satisfaction
1
1994
455
0.020
Why?
Drug Resistance
1
1991
256
0.020
Why?
Cross-Sectional Studies
1
1995
1621
0.020
Why?
Vulva
1
1990
23
0.020
Why?
Astrocytoma
1
1990
82
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?
Trastuzumab
1
2010
68
0.020
Why?
Treatment Outcome
2
2013
7993
0.020
Why?
Prostate
1
1992
378
0.020
Why?
Adult
8
1997
25648
0.020
Why?
Treatment Failure
2
2002
285
0.020
Why?
Microscopy, Fluorescence
1
2010
425
0.020
Why?
Blood Pressure
1
1994
1143
0.020
Why?
Glioblastoma
1
1990
255
0.020
Why?
Transfection
1
2010
896
0.020
Why?
Jurkat Cells
1
2007
77
0.020
Why?
Liver
1
1993
1230
0.020
Why?
Hemoglobins
2
2002
179
0.020
Why?
Up-Regulation
1
2010
712
0.020
Why?
Lymph Nodes
1
1990
533
0.020
Why?
Nose Neoplasms
1
1984
31
0.020
Why?
Materials Testing
1
2004
91
0.020
Why?
Nasopharyngeal Neoplasms
1
1984
47
0.020
Why?
Antineoplastic Combined Chemotherapy Protocols
1
1994
2438
0.020
Why?
Antibodies, Monoclonal, Humanized
1
2010
930
0.020
Why?
Hot Temperature
1
2004
206
0.010
Why?
Cytochromes c
1
2003
27
0.010
Why?
Technology Assessment, Biomedical
1
2003
27
0.010
Why?
Binding, Competitive
1
2003
145
0.010
Why?
Follow-Up Studies
3
2001
3640
0.010
Why?
Research Support as Topic
1
2003
80
0.010
Why?
Biocompatible Materials
1
2004
193
0.010
Why?
United States Food and Drug Administration
1
2003
127
0.010
Why?
Cisterna Magna
1
2002
10
0.010
Why?
Phosgene
1
2002
1
0.010
Why?
Macaca fascicularis
1
2002
108
0.010
Why?
National Institutes of Health (U.S.)
1
2003
122
0.010
Why?
Cerebral Arteries
1
2002
74
0.010
Why?
Cyclic GMP
1
2002
58
0.010
Why?
Hydrogen-Ion Concentration
1
2003
493
0.010
Why?
Injections
1
2002
109
0.010
Why?
Phenols
1
2002
40
0.010
Why?
Asteraceae
1
2002
4
0.010
Why?
Myocardial Reperfusion
1
2002
27
0.010
Why?
Microscopy, Video
1
2002
34
0.010
Why?
Radiography, Interventional
1
2003
150
0.010
Why?
Catalysis
1
2002
203
0.010
Why?
Mitochondria, Heart
1
2002
50
0.010
Why?
Cerebral Angiography
1
2002
196
0.010
Why?
Chick Embryo
1
2002
229
0.010
Why?
Oxidants
1
2002
86
0.010
Why?
Chelating Agents
1
2002
69
0.010
Why?
Perfusion
1
2002
203
0.010
Why?
Actuarial Analysis
1
2001
66
0.010
Why?
Regression Analysis
2
1995
596
0.010
Why?
Neuroblastoma
1
1984
374
0.010
Why?
Myocardial Ischemia
1
2002
162
0.010
Why?
Plant Extracts
1
2002
244
0.010
Why?
Sarcosine
1
1999
2
0.010
Why?
Thiocarbamates
1
1999
6
0.010
Why?
Drug Stability
1
1999
48
0.010
Why?
Rats, Sprague-Dawley
1
2001
1219
0.010
Why?
Risk Factors
2
2001
5417
0.010
Why?
Fibroblasts
1
2001
729
0.010
Why?
Mitochondria
1
2001
535
0.010
Why?
Dose-Response Relationship, Radiation
1
1997
188
0.010
Why?
Chicago
1
2001
1379
0.010
Why?
United States
2
2003
6672
0.010
Why?
Vincristine
1
1994
111
0.010
Why?
Mitoxantrone
1
1994
68
0.010
Why?
Genital Neoplasms, Female
1
1995
107
0.010
Why?
Methotrexate
1
1994
249
0.010
Why?
Cyclophosphamide
1
1994
299
0.010
Why?
Doxorubicin
1
1994
295
0.010
Why?
Injections, Subcutaneous
1
1993
117
0.010
Why?
Alcohols
1
1993
14
0.010
Why?
Horses
1
1993
35
0.010
Why?
Fluorouracil
1
1994
556
0.010
Why?
Radioimmunoassay
1
1992
155
0.010
Why?
Brain
1
2002
2216
0.010
Why?
Substrate Specificity
1
1993
347
0.010
Why?
Xanthines
1
1991
3
0.010
Why?
Recombinant Proteins
1
1993
1014
0.010
Why?
In Vitro Techniques
1
1993
989
0.010
Why?
Acute Disease
1
1993
826
0.010
Why?
Radiation
1
1990
15
0.010
Why?
Neutrons
1
1990
58
0.010
Why?
Dose-Response Relationship, Drug
1
1994
1961
0.010
Why?
Neoplasm Metastasis
1
1994
1056
0.010
Why?
Esthetics
1
1989
44
0.010
Why?
Retrospective Studies
2
1995
8489
0.010
Why?
Neutrophils
1
1991
307
0.010
Why?
Hysterectomy
1
1990
146
0.010
Why?
Mastectomy, Segmental
1
1989
93
0.010
Why?
Carcinoma, Intraductal, Noninfiltrating
1
1989
113
0.010
Why?
Mathematics
1
1988
190
0.010
Why?
Rats, Inbred Strains
1
1988
312
0.010
Why?
Lymph Node Excision
1
1989
217
0.000
Why?
Preoperative Care
1
1990
397
0.000
Why?
Recurrence
1
1990
1139
0.000
Why?
Survival Analysis
1
1990
1538
0.000
Why?
Clinical Trials as Topic
1
1990
1169
0.000
Why?
Keratins
1
1984
63
0.000
Why?
Prospective Studies
1
1993
4213
0.000
Why?
Carcinoma, Small Cell
1
1984
134
0.000
Why?
Cytoplasm
1
1984
281
0.000
Why?
Neoplasm Recurrence, Local
1
1989
1313
0.000
Why?
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