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Turbulence

Motion characterized by chaotic changes in pressure and flow velocity

112.1K papers2.7M citations


Complementary DNA

Single-stranded DNA synthesized from RNA

55.3K papers2.7M citations


Innate immune system

One of the two main immunity strategies

45.5K papers2.7M citations


Boundary value problem

Constrained Differential Equation

145.3K papers2.7M citations


Dementia

Long-term brain disorders causing impaired memory, thinking and behavior

72.2K papers2.7M citations


Carbon

Chemical element, symbol C and atomic number 6

129.8K papers2.7M citations


Polymerization

Chemical reaction to form polymer chains

147.9K papers2.7M citations


Chromatin

Complex of DNA and protein in eukaryotic cells

50.7K papers2.7M citations


Mutation

Alteration in the nucleotide sequence of a genome

45.2K papers2.6M citations


Nanoparticle

Particle with size less than 100 nm

85.9K papers2.6M citations


Polymer

Substance composed of macromolecules with repeating structural units

131.4K papers2.6M citations


Endothelial stem cell

Stem cell in bone marrow that gives rise to endothelial cells

44.1K papers2.6M citations


Personality

Psychological characteristics of an individual

75.6K papers2.6M citations


Mortality rate

Measure of the number of deaths in a population from a given cause, scaled by population, in a set period of time

53.1K papers2.6M citations


Psychological intervention

82.6K papers2.6M citations


Estimator

Rule for calculating an estimate of a given quantity based on observed data

97.3K papers2.6M citations


Placebo

Substance or treatment of no therapeutic value

43K papers2.5M citations


Sustainability

Capacity to endure in a relatively ongoing way

129.3K papers2.5M citations


Adipose tissue

Loose connective tissue composed mostly by adipocytes

54.6K papers2.5M citations


Binding site

Molecule-specific coordinate bonding area in biological systems

48.1K papers2.5M citations


Progenitor cell

Cell that differentiates into one or a few cell types

50.8K papers2.5M citations


Ascorbic acid

93.5K papers2.5M citations


Hydrogen

Chemical element, symbol H and atomic number 1

132.2K papers2.5M citations


DNA methylation

Biological process

49.8K papers2.5M citations


Protein kinase B

Set of three serine/threonine-specific protein kinases

57.2K papers2.5M citations


Endoplasmic reticulum

Cell organelle that synthesizes, folds and processes proteins

48.3K papers2.4M citations


Lung cancer

Cancer in the lung

89.3K papers2.4M citations


Skeletal muscle

One of three major muscle types that connect to bones

58.8K papers2.4M citations


DNA damage

47K papers2.4M citations


Wireless sensor network

Group of spatially dispersed and dedicated sensors

142K papers2.4M citations


DNA repair

Cellular mechanism

41.5K papers2.4M citations


Qualitative research

Form of research

39.9K papers2.3M citations


Magnetic field

Spatial distribution of vectors allowing the calculation of the magnetic force on a test particle

167.5K papers2.3M citations


Democracy

Form of government

108.6K papers2.3M citations


Fuzzy logic

System for reasoning about vagueness

151.2K papers2.3M citations


Endothelium

Layer of cells that lining inner surface of blood vessels

34.6K papers2.3M citations


Electrode

Electrical conductor used to make contact with nonmetallic parts of a circuit

226K papers2.3M citations


Curriculum

Educational plan

177.5K papers2.3M citations


Promoter

46.6K papers2.3M citations


Electrolyte

Ionic solids whose dissociation in water free up ions carrying the electrical current in solution

124.6K papers2.3M citations


Hazard ratio

Medical ratio

50.9K papers2.3M citations


Nitric oxide

Colorless gas with the formula NO

48.1K papers2.3M citations


Dopamine

Organic chemical that functions both as a hormone and a neurotransmitter

45.7K papers2.2M citations


Teaching method

Principles and methods used by teachers to enable student learning

108K papers2.2M citations


Coronary artery disease

Disease characterized by plaque building up in the arteries of the heart

77.6K papers2.2M citations


Network packet

Formatted unit of data carried by a packet-switched network

159.7K papers2.2M citations


Amorphous solid

Non-crystalline solid

117K papers2.2M citations


Calcium

Chemical element, symbol Ca and atomic number 20

78.5K papers2.2M citations


Transfection

Process of introducing nucleic acids into eukaryotic cells

53.4K papers2.2M citations


CD8

Marker on immune cells

44.4K papers2.2M citations


Fatty acid

Carboxylic acid

74.5K papers2.2M citations


Band gap

Energy range in a solid where no electron states can exist

86.8K papers2.2M citations


Microstructure

Very small scale structure of material

148.6K papers2.2M citations


Carcinoma

A malignancy that develops from epithelial cells

78.2K papers2.2M citations


Excited state

Quantum states with more energy than the lowest possible amount

102.2K papers2.2M citations


Academic achievement

Educational performance

69.4K papers2.2M citations


Kidney disease

Damage to or disease of a kidney

71.7K papers2.2M citations


Colorectal cancer

Cancer of the colon or rectum

71.1K papers2.2M citations


Epitope

Chemical entity which can be bound by an antibody

58.7K papers2.1M citations


Species richness

Variety of species in an ecological community, landscape or region

61.6K papers2.1M citations


Monte Carlo method

Probabilistic problem-solving algorithm

95.9K papers2.1M citations


Arabidopsis

Genus of flowering plants

30.9K papers2.1M citations


Incidence (epidemiology)

Measure of the probability of occurrence of a given medical condition in a population within a specified period of time

56K papers2.1M citations


Wireless network

Any network at least partly not connected by physical cables of any kind

122.5K papers2.1M citations


Kidney

Vertebrate organ that filters blood and produces urine

73K papers2.1M citations


Density functional theory

Computational quantum mechanical modelling method to investigate the electronic structure

66.1K papers2.1M citations


Feature extraction

111.8K papers2.1M citations


Electron

Elementary particle

111.1K papers2.1M citations


Photocatalysis

67K papers2.1M citations


Anode

Electrode through which conventional current flows into a polarized electrical device

139.4K papers2.1M citations


Deep learning

Branch of machine learning

79.8K papers2.1M citations


Monoclonal antibody

Antibodies from clones of the same blood cell

67K papers2.1M citations


PI3K/AKT/mTOR pathway

Cell cycle regulation pathway

51.2K papers2.1M citations


Optimization problem

Series of issues that lead to mathematical ways of finding the best solution

96.4K papers2.1M citations


Ultimate tensile strength

Maximum stress withstood by stretched material before breaking

129.2K papers2.1M citations


Growth factor

Protein or other substance that stimulates cellular proliferation

34.3K papers2.1M citations


Phase (matter)

Region of uniform physical properties

115.6K papers2.1M citations


Service (business)

172.1K papers2M citations


Lithium

Chemical element, symbol Li and atomic number 3

109.5K papers2M citations


Radiation therapy

Therapy using ionizing radiation, usually to treat cancer

76.3K papers2M citations


Acquired immunodeficiency syndrome (AIDS)

75.5K papers2M citations


Overweight

Above a weight considered healthy

55.8K papers2M citations


Mesenchymal stem cell

Multipotent, non-hematopoietic adult stem cells present in multiple tissues

53.6K papers2M citations


Antigen-presenting cell

Cell that displays antigen bound by MHC proteins on its surface

28.9K papers2M citations


Mass spectrometry

Analytical technique based on determining mass to charge ratio of ions

72.2K papers2M citations


Locus (genetics)

Location of a gene or region on a chromosome

42.7K papers2M citations


Convolutional neural network

Artificial neural network

74.7K papers2M citations


Escherichia coli

Enteric, rod shaped, gram-negative bacterium

59K papers2M citations


Depression (differential diagnoses)

56.5K papers2M citations


Reading (process)

116.3K papers2M citations


Autism

Neurodevelopmental disorder involving social communication difficulties and repetitive behavior

54.7K papers2M citations


Psychosocial

Influence that psychological factors and social environment has on well-being

66.7K papers2M citations


Software

Non-tangible executable component of a computer

130.5K papers2M citations


Cohort

58.4K papers2M citations


Alkyl

Univalent group derived from alkanes

223.5K papers2M citations


MAPK/ERK pathway

Cell signaling pathway

43.7K papers2M citations


Health policy

Policy area that deals with the health system of a country or other organization

79.6K papers2M citations


Reactive oxygen species

Class of compounds

36.6K papers2M citations


Vascular endothelial growth factor

Protein involved in blood vessel growth

36.7K papers2M citations


Differential equation

Type of functional equation (mathematics)

88K papers2M citations