72,234 articles
Dennis J. Stuehr
Dennis J. Stuehr is an American biochemist at Cleveland Clinic's Lerner Research Institute who established the enzyme chemistry of nitric oxide synthase and macrophage nitric oxide biosynthesis.
Dennis J. Thiele
Dennis J. Thiele is an American molecular biologist who spent 35 years at Duke University studying copper metabolism and the stress factor HSF1, and founded Sisu Pharma.
Dennis L. Andress
Dennis L. Andress is an American nephrology researcher at the University of Washington known for renal osteodystrophy and vitamin D therapy in chronic kidney disease.
Dennis L. Kasper
Dennis L. Kasper is an American microbiologist and immunologist at Harvard Medical School known for group B Streptococcus vaccine work and discovering that gut bacterial polysaccharides activate T cells.
Dennis L. Murphy
Dennis L. Murphy (1936–2017) was an American neuropsychopharmacologist at the National Institute of Mental Health known for his 1996 Science paper linking a serotonin transporter gene variant to anxiety-related traits.
Dennis L. Stevens
Dennis L. Stevens is an American physician-scientist known for research on group A streptococcus toxins and for defining the modern treatment of necrotizing soft tissue infections.
Dennis M. Bier
Dennis M. Bier is an American pediatric nutrition scientist and physician at Baylor College of Medicine, known for stable isotope tracer methods that transformed the study of metabolism in children.
Dennis M. Black
Dennis M. Black is an American biostatistician and epidemiologist, Professor at the University of California, San Francisco, who led defining osteoporosis trials including FIT, PaTH, and HORIZON.
Dennis R. Roop
Dennis R. Roop is an American cell biologist who identified the skin protein loricrin and develops stem cell therapy for epidermolysis bullosa at the University of Colorado.
Dennis R. Winge
Dennis R. Winge is an American biochemist at the University of Utah School of Medicine, known for work on copper metallochaperones and mitochondrial respiratory complex assembly.
Dennis Robert Hoagland
Dennis Robert Hoagland (1884–1949) was an American plant physiologist and professor of plant nutrition at the University of California, Berkeley, creator of the Hoagland solution.
Dennis Ross‐Degnan
Dennis Ross-Degnan is a health-policy researcher at Harvard Medical School and the Harvard Pilgrim Health Care Institute who studies how medicines are used and how policies change that use.
Dennis S. Charney
Dennis S. Charney, American psychiatrist and neurobiologist, Mount Sinai dean for 18 years; discovered ketamine as a fast-acting antidepressant, co-invented the Rejoyn digital therapeutic, and wrote Resilience with Steven Southwick.
Dennis S. O’Leary
Dennis Sophian O'Leary (1937–2023) was an American physician-executive who served 21 years as president of the Joint Commission, the private accreditor of US health care organizations.
Dennis Slone
Dennis Slone (1930–1982) was a South African-born physician and drug-safety epidemiologist in Boston who co-founded the Boston Collaborative Drug Surveillance Program and the Drug Epidemiology Unit.
Dennis T. Mangano
Dennis T. Mangano is a physician-scientist in cardiovascular and perioperative medicine, a UCSF professor until 2010 best known for his 1996 NEJM trial of atenolol before noncardiac surgery.
Dennis T. Villareal
Dennis T. Villareal is an American geriatrician at Baylor College of Medicine known for trials showing weight loss plus exercise improves function in obese older adults.
Dennis vanEngelsdorp
Dennis vanEngelsdorp is a Dutch-born, Canadian-raised apiarist and entomologist at the University of Maryland who helped characterize colony collapse disorder and founded the Bee Informed Partnership.
Dennis Vitkup
Dennis Vitkup is a computational biologist at Columbia University who studies metabolism, bacterial evolution, the gut microbiome, and the genetics of psychiatric and neurodevelopmental disease.
Dennis W. Choi
Dennis W. Choi (born 1953) is an American neurologist and neuroscientist known for work on glutamate excitotoxicity, neuroprotection, and neuronal death after stroke and spinal cord injury.
Dennis W. Dickson
Dennis W. Dickson is an American neuropathologist at Mayo Clinic in Florida who directs its brain bank and co-authored the 2012 guidelines for assessing Alzheimer's disease neuropathology.
Dennis W. Stacey
Dennis W. Stacey, born 1947, is an American cell biologist at the Cleveland Clinic who pioneered microinjection of mRNA and proteins into living cells to study Ras signaling.
Dennis Y. Loh
Dennis Y. Loh is an American immunologist who used transgenic mice to show how the thymus selects T cells, as an HHMI investigator at Washington University.
Denosumab
Denosumab (Prolia, Xgeva) is a human IgG2 monoclonal antibody against RANKL that inhibits osteoclasts; FDA-approved 2010 for osteoporosis and bone metastases, with a 2024 boxed warning for severe hypocalcemia in advanced kidney disease.
Density gradient centrifugation
Density gradient centrifugation is a laboratory method that separates cells, organelles, viruses, and macromolecules into visible bands by buoyant density or sedimentation rate, introduced by Myron K. Brakke in 1951.
Density-gradient ultracentrifugation
Density-gradient ultracentrifugation (DGUC) is a centrifugation technique that separates particles, organelles, viruses, and macromolecules by buoyant density in gradients of sucrose, cesium chloride, or iodixanol, producing bands collected as fractions.
Dent corn
Dent corn, a class of Zea mays field corn, has hard side endosperm and a soft floury crown that dents on drying. Descended from northern flint crossed with southern dent, it dominates U.S. Corn Belt production for feed and ethanol.
Dent disease
Dent disease (Dent syndrome): rare X-linked proximal tubulopathy with low-molecular-weight proteinuria and hypercalciuria; CLCN5 variants cause type 1, OCRL variants type 2; 30-80% of males reach kidney failure.
Dental abscess
Dental abscess (periapical or periodontal abscess): a pus collection in teeth, gums, or jaw bone from bacterial infection. Needs urgent drainage plus root canal or extraction; antibiotics only for spreading or systemic infection.
Dental Abutments
A dental abutment is the part of a dental implant that connects the implant anchored in the jawbone to the visible restoration, such as a crown, bridge, or denture.