United States of America (USA)

1 September 2018 - 31 August 2019

Subject/journal group: All

The table to the right includes counts of all research outputs for United States of America (USA) published between 1 September 2018 - 31 August 2019 which are tracked by the Nature Index.

Hover over the donut graph to view the FC output for each subject. Below, the same research outputs are grouped by subject. Click on the subject to drill-down into a list of articles organized by journal, and then by title.

Note: Articles may be assigned to more than one subject area.

AC FC
28202 20080.81

Outputs by subject (FC)

Subject AC FC
Earth & Environmental Sciences 4230 2846.81
Life Sciences 12110 8981.90
Physical Sciences 7709 5010.58
Chemistry 6947 5082.83
1 0.45
375 215.46
610 479.23
619 434.45
426 309.52
295 208.50
1 1
383 288.12
1288 1046.99
345 276.50
489 340.71
112 76.04
82 62.28
52 39.20
621 376.80
85 56.18
1 0.33
73 50.38
308 247.68
262 202.07
89 70.11
Validation of the protein kinase PfCLK3 as a multistage cross-species malarial drug target
2019-08-30
0.09
Ultrafast laser welding of ceramics
2019-08-23
1
Sub–single-exciton lasing using charged quantum dots coupled to a distributed feedback cavity
2019-08-16
1
Thermal unequilibrium of strained black CsPbI₃ thin films
2019-08-16
0.04
A robotic platform for flow synthesis of organic compounds informed by AI planning
2019-08-09
1
Ultrahigh–energy density lead-free dielectric films via polymorphic nanodomain design
2019-08-09
0.11
Somatic evolution and global expansion of an ancient transmissible cancer lineage
2019-08-02
0.10
Structure of the Cdc48 segregase in the act of unfolding an authentic substrate
2019-08-02
1
The geologic history of seawater oxygen isotopes from marine iron oxides
2019-08-02
0.22
Use of a scaffold peptide in the biosynthesis of amino acid–derived natural products
2019-07-19
1
Chloride capture using a C-H hydrogen-bonding cage
2019-07-12
1
Molecular structure elucidation with charge-state control
2019-07-12
0.14
Sheath-run artificial muscles
2019-07-12
0.48
Strain-programmable fiber-based artificial muscle
2019-07-12
1
Direct mapping of curve-crossing dynamics in IBr by attosecond transient absorption spectroscopy
2019-07-05
0.80
Large plasticity in magnesium mediated by pyramidal dislocations
2019-07-05
0.36
Direct arene C–H fluorination with ¹⁸F⁻ via organic photoredox catalysis
2019-06-21
1
Photoexcitation of flavoenzymes enables a stereoselective radical cyclization
2019-06-21
1
Discovery and inhibition of an interspecies gut bacterial pathway for Levodopa metabolism
2019-06-14
1
Large-area graphene-nanomesh/carbon-nanotube hybrid membranes for ionic and molecular nanofiltration
2019-06-14
0.30
Terahertz field–induced ferroelectricity in quantum paraelectric SrTiO₃
2019-06-14
1
Cysteine-rich peptides promote interspecific genetic isolation in Arabidopsis
2019-05-31
0.06
A radiative cooling structural material
2019-05-24
0.97
Anti-Markovnikov alcohols via epoxide hydrogenation through cooperative catalysis
2019-05-24
0.50
De novo design of tunable, pH-driven conformational changes
2019-05-17
1
Hydrodealkenylative C(sp³)–C(sp²) bond fragmentation
2019-05-17
1
Parallel programming of an ionic floating-gate memory array for scalable neuromorphic computing
2019-05-10
1
Particulate methane monooxygenase contains only mononuclear copper centers
2019-05-10
0.89
Site-selective enzymatic C‒H amidation for synthesis of diverse lactams
2019-05-10
1
Concerted proton-electron transfer reactions in the Marcus inverted region
2019-05-03
0.75
Electrical suppression of all nonradiative recombination pathways in monolayer semiconductors
2019-05-03
1
Low–interfacial toughness materials for effective large-scale deicing
2019-04-26
1
Deconstructing water’s diffuse OH stretching vibrational spectrum with cold clusters
2019-04-19
1
Giant piezoelectricity of Sm-doped Pb(Mg1/3Nb2/3)O3-PbTiO3 single crystals
2019-04-19
0.72
Three-orders-of-magnitude variation of carrier lifetimes with crystal phase of gold nanoclusters
2019-04-19
1
Anti–parity-time symmetry in diffusive systems
2019-04-12
0.42
Spin coating epitaxial films
2019-04-12
1
Delayed catalyst function enables direct enantioselective conversion of nitriles to NH₂-amines
2019-04-05
0.75
Catalyst-controlled stereoselective cationic polymerization of vinyl ethers
2019-03-29
1
Packing of apolar side chains enables accurate design of highly stable membrane proteins
2019-03-29
0.92
Acoel genome reveals the regulatory landscape of whole-body regeneration
2019-03-15
1
Redefining near-unity luminescence in quantum dots with photothermal threshold quantum yield
2019-03-15
0.75
Terminal coordination of diatomic boron monofluoride to iron
2019-03-15
1
The oceanic sink for anthropogenic CO2 from 1994 to 2007
2019-03-15
0.39
Coherent single-photon emission from colloidal lead halide perovskite quantum dots
2019-03-08
0.82
Interface and heterostructure design in polyelemental nanoparticles
2019-03-01
1
Catalytic reductive [4 + 1]-cycloadditions of vinylidenes and dienes
2019-02-22
1
Keyhole threshold and morphology in laser melting revealed by ultrahigh-speed x-ray imaging
2019-02-22
1
Scalable and safe synthetic organic electroreduction inspired by Li-ion battery chemistry
2019-02-22
0.94
Tunable intrinsic strain in two-dimensional transition metal electrocatalysts
2019-02-22
1
U-Pb constraints on pulsed eruption of the Deccan Traps across the end-Cretaceous mass extinction
2019-02-22
0.71
Chemically reversible isomerization of inorganic clusters
2019-02-15
0.71
Double-negative-index ceramic aerogels for thermal superinsulation
2019-02-15
0.69
An ingestible self-orienting system for oral delivery of macromolecules
2019-02-08
0.54
Dynamic gating of infrared radiation in a textile
2019-02-08
0.95
Eliminating nonradiative decay in Cu(I) emitters: 99% quantum efficiency and microsecond lifetime
2019-02-08
1
Homogenized halides and alkali cation segregation in alloyed organic-inorganic perovskites
2019-02-08
1
Identification of site-specific isotopic labels by vibrational spectroscopy in the electron microscope
2019-02-01
1
A hydrated crystalline calcium carbonate phase: Calcium carbonate hemihydrate
2019-01-25
0.11
Pharmaceutical diversification via palladium oxidative addition complexes
2019-01-25
1
Concise total syntheses of (–)-jorunnamycin A and (–)-jorumycin enabled by asymmetric catalysis
2019-01-18
1
Prediction of higher-selectivity catalysts by computer-driven workflow and machine learning
2019-01-18
1
The Sommerfeld ground-wave limit for a molecule adsorbed at a surface
2019-01-11
0.17
Fluorine-programmed nanozipping to tailored nanographenes on rutile TiO2 surfaces
2019-01-04
0.06
Single-component quasicrystalline nanocrystal superlattices through flexible polygon tiling rule
2018-12-21
0.75
Building two-dimensional materials one row at a time: Avoiding the nucleation barrier
2018-12-07
0.94
Room-temperature cycling of metal fluoride electrodes: Liquid electrolytes for high-energy fluoride ion cells
2018-12-07
1
Semiconducting polymer blends that exhibit stable charge transport at high temperatures
2018-12-07
1
Molecular to organismal chirality is induced by the conserved myosin 1D
2018-11-23
0.25
Heterobiaryl synthesis by contractive C–C coupling via P(V) intermediates
2018-11-16
0.92
Light-driven fine chemical production in yeast biohybrids
2018-11-16
1
Templated nanofiber synthesis via chemical vapor polymerization into liquid crystalline films
2018-11-16
0.88
Enantiodivergent Pd-catalyzed C–C bond formation enabled through ligand parameterization
2018-11-09
1
A general synthesis approach for supported bimetallic nanoparticles via surface inorganometallic chemistry
2018-11-02
0.86
Catalytic palladium-oxyallyl cycloaddition
2018-11-02
1
Extra strengthening and work hardening in gradient nanotwinned metals
2018-11-02
0.40
Ethane/ethylene separation in a metal-organic framework with iron-peroxo sites
2018-10-26
0.52
Super-resolution chromatin tracing reveals domains and cooperative interactions in single cells
2018-10-26
1
Ketyl radical reactivity via atom transfer catalysis
2018-10-12
1
Key-and-lock commodity self-healing copolymers
2018-10-12
1
Arylsulfonylacetamides as bifunctional reagents for alkene aminoarylation
2018-09-28
1
Biosynthesis of the neurotoxin domoic acid in a bloom-forming diatom
2018-09-28
0.88
Interrupted carbonyl-olefin metathesis via oxygen atom transfer
2018-09-28
1
Reconfigurable system for automated optimization of diverse chemical reactions
2018-09-21
1
Unlocking P(V): Reagents for chiral phosphorothioate synthesis
2018-09-21
1
A designed heme-[4Fe-4S] metalloenzyme catalyzes sulfite reduction like the native enzyme
2018-09-14
1
Asymmetric phosphoric acid–catalyzed four-component Ugi reaction
2018-09-14
0.25
Resonance-stabilized hydrocarbon-radical chain reactions may explain soot inception and growth
2018-09-07
1
Zeolitic imidazolate framework membranes made by ligand-induced permselectivation
2018-09-07
1
102 65.28
1 1
327 234.53

1 September 2018 - 31 August 2019

View the connected world of international research collaboration. Visualize collaborations by subject or region.

Collaborations between countries

Percentage of collaboration by FC

Hover over the graph to view the percentage of collaboration.

Top 10 collaborators by FC

  • United States of America (USA)
  1. China (4301.88)
    2080.76
    2221.12
  2. 1060.48
    814.04
  3. Germany (1811.21)
    1009.23
    801.98
  4. Canada (1098.17)
    665.39
    432.78
  5. France (1073.93)
    652.47
    421.46
  6. Japan (917.81)
    559.54
    358.27
  7. Switzerland (685.69)
    406.46
    279.23
  8. Australia (678.55)
    401.09
    277.46
  9. 386.20
    253.80
  10. Italy (594.10)
    361.61
    232.49

Collaboration is determined by the combined fractional count (FC) of United States of America (USA) and the collaborating country.

Top 10 institutions from United States of America (USA)

Institution AC FC
1. Harvard University 2526 913.11
2. Stanford University 1602 649.84
3. Massachusetts Institute of Technology (MIT) 1768 534.15
4. National Institutes of Health (NIH) 963 376.82
5. University of California, Berkeley (UC Berkeley) 1209 365.76
6. Yale University 882 349.65
7. University of California, Los Angeles (UCLA) 1042 340.05
8. University of California, San Diego (UC San Diego) 1016 333.15
9. University of Michigan (U-M) 870 318
10. University of Washington (UW) 962 316.67

Enhanced profiles

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