United States of America (USA)

News

Impact factors are still widely used in academic evaluations

18 April 2019

Holly Else

Survey finds that 40% of research-intensive universities mention the controversial metric in review documents — despite efforts to dampen its influence.

Unconscious bias limits women's careers

15 April 2019

Smriti Mallapaty

The vast gender gap in Japanese science has leading women researchers calling for change.

Career mobility: Researchers change places to progress

1 April 2019

Smriti Mallapaty (Data analysis by Rodrigo Costas Comesana)

Moving countries to further a career in science has its benefits, but it isn’t an option for everyone.

News

1 December 2017 - 30 November 2018

Subject/journal group: All

The table to the right includes counts of all research outputs for United States of America (USA) published between 1 December 2017 - 30 November 2018 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
27381 19817.21

Outputs by subject (FC)

Subject AC FC
Chemistry 7259 5454.95
2 0.94
388 241.14
592 482.92
597 437.56
432 320.73
256 189.98
1 1
389 287.41
1312 1091.08
371 304.96
530 381.78
97 69.44
72 57.75
73 55.95
738 468.58
78 48.56
1 1
78 52.49
1 0.94
323 268.85
298 233.25
107 84.14
103 65.42
A functional proteomics platform to reveal the sequence determinants of lysine methyltransferase substrate selectivity
2018-11-01
1
Breakdown of the Stokes-Einstein relation above the melting temperature in a liquid phase-change material
2018-11-01
0.40
Coalescence-induced jumping of droplets on superomniphobic surfaces with macrotexture
2018-11-01
1
Deciphering and engineering chromodomain-methyllysine peptide recognition
2018-11-01
1
Discovery of log-periodic oscillations in ultraquantum topological materials
2018-11-01
0.15
Dynamic assembly of liquid crystalline graphene oxide gel fibers for ion transport
2018-11-01
0.10
Entanglement signatures of emergent Dirac fermions: Kagome spin liquid and quantum criticality
2018-11-01
0.63
Solid electrolyte interphases for high-energy aqueous aluminum electrochemical cells
2018-11-01
0.83
Spatial interference scale as a determinant of microbial range expansion
2018-11-01
0.93
Streptavidin-conjugated gold nanoclusters as ultrasensitive fluorescent sensors for early diagnosis of HIV infection
2018-11-01
0.33
Ultrathin ZSM-5 zeolite nanosheet laminated membrane for high-flux desalination of concentrated brines
2018-11-01
0.86
Voltage control of unidirectional anisotropy in ferromagnet-multiferroic system
2018-11-01
1
Atomic-level structure engineering of metal oxides for high-rate oxygen intercalation pseudocapacitance
2018-10-01
0.20
Multiple modes of PRC2 inhibition elicit global chromatin alterations in H3K27M pediatric glioma
2018-10-01
1
Quantum interference mediated vertical molecular tunneling transistors
2018-10-01
0.68
Single-molecule observation of nucleotide induced conformational changes in basal SecA-ATP hydrolysis
2018-10-01
1
Structure and dynamics conspire in the evolution of affinity between intrinsically disordered proteins
2018-10-01
0.10
Tunable structure and dynamics of active liquid crystals
2018-10-01
1
Unraveling the long-pursued Au144 structure by x-ray crystallography
2018-10-01
0.14
Uranium polyhydrides at moderate pressures: Prediction, synthesis, and expected superconductivity
2018-10-01
0.40
An “ideal lignin” facilitates full biomass utilization
2018-09-01
0.90
Enhanced transport in transistor by tuning transition-metal oxide electronic states interfaced with diamond
2018-09-01
0.64
Mechanically active materials in three-dimensional mesostructures
2018-09-01
0.79
New magnetic phase of the chiral skyrmion material Cu2OSeO3
2018-09-01
0.08
A readily programmable, fully reversible shape-switching material
2018-08-01
0.95
Guiding kinetic trajectories between jammed and unjammed states in 2D colloidal nanocrystal-polymer assemblies with zwitterionic ligands
2018-08-01
0.96
Subsurface catalysis-mediated selectivity of dehydrogenation reaction
2018-08-01
0.17
A new strategy to efficiently cleave and form C–H bonds using proton-coupled electron transfer
2018-07-01
1
Consecutive crystallographic reorientations and superplasticity in body-centered cubic niobium nanowires
2018-07-01
0.20
Engineering stable interfaces for three-dimensional lithium metal anodes
2018-07-01
1
Molecularly selective nanoporous membrane-based wearable organic electrochemical device for noninvasive cortisol sensing
2018-07-01
0.80
Stretching vibration is a spectator in nucleophilic substitution
2018-07-01
0.11
Deep-biosphere methane production stimulated by geofluids in the Nankai accretionary complex
2018-06-01
0.10
Dirac surface state-modulated spin dynamics in a ferrimagnetic insulator at room temperature
2018-06-01
0.54
Direct metabolite detection with an n-type accumulation mode organic electrochemical transistor
2018-06-01
0.10
Elastic properties of 2D Ti 3C2TxMXene monolayers and bilayers
2018-06-01
1
Evidence of link between quorum sensing and sugar metabolism in Escherichia colirevealed via cocrystal structures of LsrK and HPr
2018-06-01
0.42
Higher-order topological insulators
2018-06-01
0.19
Low temperature rates for key steps of interstellar gas-phase water formation
2018-06-01
0.30
Microscopy with a single-molecule scanning electrometer
2018-06-01
1
Nanoscale momentum-resolved vibrational spectroscopy
2018-06-01
0.33
Pascalammetry with operando microbattery probes: Sensing high stress in solid-state batteries
2018-06-01
1
Permselectivity limits of biomimetic desalination membranes
2018-06-01
1
Practical water production from desert air
2018-06-01
0.94
Thermal conductivity in Bi0.5 Sb1.5 Te 3+ x and the role of dense dislocation arrays at grain boundaries
2018-06-01
0.35
Defect-engineered epitaxial VO2±δ in strain engineering of heterogeneous soft crystals
2018-05-01
1
Gold nanocrystal labels provide a sequence-to-3D structure map in SAXS reconstructions
2018-05-01
0.75
Interplay of cation and anion redox in Li4Mn2O5 cathode material and prediction of improved Li4(Mn,M)2O5 electrodes for Li-ion batteries
2018-05-01
1
Kinetic and structural comparison of a protein’s cotranslational folding and refolding pathways
2018-05-01
1
Orientation-independent room temperature optical 13C hyperpolarization in powdered diamond
2018-05-01
0.93
Phase behaviors of colloidal analogs of bent-core liquid crystals
2018-05-01
0.61
TaRh2B2 and NbRh2B2: Superconductors with a chiral noncentrosymmetric crystal structure
2018-05-01
0.63
The redox “filter” beneath magmatic orogens and the formation of continental crust
2018-05-01
1
Tuning peptide self-assembly by an in-tether chiral center
2018-05-01
0.08
A physical catalyst for the electrolysis of nitrogen to ammonia
2018-04-01
1
Accelerated discovery of metallic glasses through iteration of machine learning and high-throughput experiments
2018-04-01
0.86
Beyond triplet: Unconventional superconductivity in a spin-3/2 topological semimetal
2018-04-01
0.96
Bursting at the seams: Rippled monolayer bismuth on NbSe2
2018-04-01
0.71
Geoelectrochemical CO production: Implications for the autotrophic origin of life
2018-04-01
0.10
High-performance and scalable metal-chalcogenide semiconductors and devices via chalco-gel routes
2018-04-01
0.07
Negative-pressure polymorphs made by heterostructural alloying
2018-04-01
1
Readily accessible shape-memory effect in a porous interpenetrated coordination network
2018-04-01
0.27
Superconducting pairing of topological surface states in bismuth selenide films on niobium
2018-04-01
0.50
Thermodynamic limit for synthesis of metastable inorganic materials
2018-04-01
1
15N4-1,2,4,5-tetrazines as potential molecular tags: Integrating bioorthogonal chemistry with hyperpolarization and unearthing para-N2
2018-03-01
1
A metal-organic framework with ultrahigh glass-forming ability
2018-03-01
0.03
Anisotropic, lightweight, strong, and super thermally insulating nanowood with naturally aligned nanocellulose
2018-03-01
0.94
Asymmetric photon transport in organic semiconductor nanowires through electrically controlled exciton diffusion
2018-03-01
0.10
Atomically thin gallium layers from solid-melt exfoliation
2018-03-01
0.77
Daylight-driven rechargeable antibacterial and antiviral nanofibrous membranes for bioprotective applications
2018-03-01
0.75
Determination of layer-dependent exciton binding energies in few-layer black phosphorus
2018-03-01
0.14
Dislocation-driven growth of two-dimensional lateral quantum-well superlattices
2018-03-01
0.31
Favoring the unfavored: Selective electrochemical nitrogen fixation using a reticular chemistry approach
2018-03-01
0.13
Highly efficient electrochemical reforming of CH4/CO2 in a solid oxide electrolyser
2018-03-01
0.13
Large-scale polymeric carbon nanotube membranes with sub-1.27-nm pores
2018-03-01
1
Mechanisms of KCNQ1 channel dysfunction in long QT syndrome involving voltage sensor domain mutations
2018-03-01
1
Stabilizing electrochemical interfaces in viscoelastic liquid electrolytes
2018-03-01
1
Surface-agnostic highly stretchable and bendable conductive MXene multilayers
2018-03-01
1
A “cation-anion regulation” synergistic anode host for dendrite-free lithium metal batteries
2018-02-01
0.20
Direct single-molecule dynamic detection of chemical reactions
2018-02-01
0.23
Functional odor classification through a medicinal chemistry approach
2018-02-01
1
Multi-heme cytochromes provide a pathway for survival in energy-limited environments
2018-02-01
0.20
Real-time observation of conformational switching in single conjugated polymer chains
2018-02-01
0.40
Rehealable, fully recyclable, and malleable electronic skin enabled by dynamic covalent thermoset nanocomposite
2018-02-01
0.92
Ultrafast selective transport of alkali metal ions in metal organic frameworks with subnanometer pores
2018-02-01
0.10
Computational discovery of extremal microstructure families
2018-01-01
1
Direct measurements of DOCO isomers in the kinetics of OD + CO
2018-01-01
1
Discovery of slow magnetic fluctuations and critical slowing down in the pseudogap phase of YBa2Cu3Oy
2018-01-01
0.21
Electrically switchable metadevices via graphene
2018-01-01
0.11
Identifying the substrate proteins of U-box E3s E4B and CHIP by orthogonal ubiquitin transfer
2018-01-01
0.93
Increased fluxes of shelf-derived materials to the central Arctic Ocean
2018-01-01
1
Organic matter in extraterrestrial water-bearing salt crystals
2018-01-01
0.46
Pressure-induced shear and interlayer expansion in Ti3C2 MXene in the presence of water
2018-01-01
1
Sedimentary sulfur isotopes and Neoarchean ocean oxygenation
2018-01-01
0.67
Supersaturated calcium carbonate solutions are classical
2018-01-01
0.67
Thin films of topological Kondo insulator candidate SmB
2018-01-01
1
A mixed-kinetic model describes unloaded velocities of smooth, skeletal, and cardiac muscle myosin filaments in vitro
2017-12-01
1
Aggregation-induced emission in lamellar solids of colloidal perovskite quantum wells
2017-12-01
0.15
Cryo-mediated exfoliation and fracturing of layered materials into 2D quantum dots
2017-12-01
0.62
Elastic and electronic tuning of magnetoresistance in MoTe2
2017-12-01
1
Multivalent ions induce lateral structural inhomogeneities in polyelectrolyte brushes
2017-12-01
0.95
One-step volumetric additive manufacturing of complex polymer structures
2017-12-01
1
Reactivity of prehydrated electrons toward nucleobases and nucleotides in aqueous solution
2017-12-01
0.20
420 309.09
Earth & Environmental Sciences 4035 2729.32
Life Sciences 11666 8765.84
Physical Sciences 7511 4975.86

1 December 2017 - 30 November 2018

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 (3916.96)
    1928.73
    1988.23
  2. 979.02
    761.19
  3. Germany (1731.77)
    980.94
    750.84
  4. Canada (1028.38)
    631.38
    397.01
  5. France (966.05)
    583.39
    382.66
  6. Japan (910.84)
    550.82
    360.02
  7. Switzerland (667.35)
    392.72
    274.62
  8. South Korea (627.86)
    385.52
    242.35
  9. Australia (615.78)
    371.50
    244.28
  10. Italy (542.53)
    328.52
    214.01

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 2295 864.53
2. Stanford University 1469 602.85
3. Massachusetts Institute of Technology (MIT) 1696 564.44
4. University of California, Berkeley (UC Berkeley) 1229 403.87
5. National Institutes of Health (NIH) 901 382.27
6. Yale University 852 340.33
7. University of Michigan (U-M) 838 335.84
8. Northwestern University (NU) 735 326.11
9. University of California, Los Angeles (UCLA) 937 322.98
10. University of California, San Diego (UC San Diego) 917 319.66

Enhanced profiles

Return to country/territory outputs