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Life and health

72,234 articles

Dilation and evacuation

Dilation and evacuation (D&E) is the main surgical abortion method from about 14 weeks' gestation, using cervical dilators, forceps, and suction; studies show lower complication rates than medical induction, and intact D&E is federally banned in the US.

Dilip Shanghvi

Dilip Shanghvi, born 1955 in Gujarat, is an Indian billionaire businessman who founded Sun Pharmaceutical Industries in 1983 with $200 borrowed from his father, receiving the Padma Shri in 2016.

Dill

Dill (Anethum graveolens), annual Apiaceae herb grown for feathery leaves and carvone-rich seeds used in pickling, flavoring, essential oil, and Ayurvedic medicine; native from North Africa to Iran.

Dilleniaceae

Dilleniaceae Salisb., sole family of the order Dilleniales, is a pantropical family of 11 genera and roughly 400-600 species of trees, shrubs, and lianas, including Hibbertia, Dillenia, and Tetracera, with numerous stamens and arillate seeds.

Dilleniales

Dilleniales is an accepted order of flowering plants containing the single family Dilleniaceae, with 12 genera and about 430 species, recognized in APG IV (2016) and placed uncertainly within the core eudicot Pentapetalae.

Dilong (地龙)

Dilong (地龙), literally "Earth Dragon," is the dried body of certain earthworms used in traditional Chinese medicine for over two millennia, and is now studied for the fibrinolytic enzyme lumbrokinase.

Dilophosaurus

Dilophosaurus (D. wetherilli), the 'two-crested lizard', a large Early Jurassic theropod dinosaur from Arizona's Kayenta Formation, about 7 m and 400 kg; Jurassic Park's venom and frill are fiction.

Diltiazem

Diltiazem (Cardizem, Tiazac) is a benzothiazepine, nondihydropyridine calcium channel blocker synthesized in 1971 by Tanabe and FDA-approved in 1982, used for hypertension, angina, and atrial fibrillation rate control, contraindicated in HFrEF.

Dilution cloning

Dilution cloning, or limiting dilution cloning, is a cell biology technique that isolates single cells by serial dilution into microtiter plate wells and grows clonal cell lines from them.

Dilution method (antimicrobial susceptibility testing)

The dilution method in antimicrobial susceptibility testing exposes bacteria to serial twofold dilutions of an antibiotic to determine the minimum inhibitory concentration, the lowest level preventing visible growth.

Dilworth Wayne Woolley

Dilworth Wayne Woolley (1914–1966) was a Canadian-born American biochemist at the Rockefeller Institute, elected to the National Academy of Sciences in 1952, known for antimetabolites and the serotonin hypothesis of mental illness.

Dim1 family

about 20 words: Dim1 family, or Dim1, is a conserved, thioredoxin-like protein family. It functions as a U5 snRNP component and 18S rRNA dimethyltransferase in essential eukaryotic cell functions.

Dima Qato

Dima Qato is an American pharmacoepidemiologist and Hygeia Centennial Chair at the University of Southern California, known for research on pharmacy deserts and how pharmacy closures affect medication adherence.

DIMAN study

DIMAN (NCT02680327) is a prospective observational feasibility pilot at the Montreal Heart Institute testing recruitment and retention of elderly cardiac surgery patients for a multicenter audit of advance care planning practices and end-of-life communication satisfaction, using CANHELP questionnaires and 5-meter gait speed frailty assessment.

Dimdazenil

Dimdazenil (地达西尼, EVT201, Junoenil) is a benzodiazepine-class partial positive allosteric modulator of the GABAA receptor, approved by China's NMPA on 29 November 2023 for short-term insomnia treatment, the drug's first approval worldwide.

Dimefox

Dimefox (TL 792, Pestox XIV, Terra-Sytam), tetramethylphosphorodiamidic fluoride, CAS 115-26-4, is an obsolete organophosphate systemic insecticide and acaricide developed in the 1940s, used mainly for soil treatment of hops, extremely toxic as a cholinesterase inhibitor, not registered in the US.

Dimefuron

Dimefuron (Chinese: 恶唑隆) is a phenylurea herbicide used against annual broad-leaved weeds; it inhibits photosynthesis at photosystem II and is no longer approved in the EU.

Dimenhydrinate

Dimenhydrinate, sold as Dramamine and Gravol, is an over-the-counter medication combining the antihistamine diphenhydramine with 8-chlorotheophylline, best known for preventing and treating motion sickness and nausea since 1949.

Dimepiperate

Dimepiperate (CAS 61432-55-1), a thiocarbamate rice agrochemical, S-1-methyl-1-phenylethyl piperidine-1-carbothioate, controls barnyardgrass and safens rice against bensulfuron-methyl, pyrazosulfuron-ethyl, and clomeprop via enhanced metabolism.

Dimethachlor

Dimethachlor (2-chloro-N-(2-methoxyethyl)acet-2′,6′-xylidide) is a chloroacetanilide selective herbicide, EU-approved since 1 January 2010, with approval extended until 31 March 2029 pending renewal; distinct from the fungicide dimethachlon.

Dimethenamid

Dimethenamid, a chloroacetamide (Group 15) pre-emergence herbicide, CAS 87674-68-8, C12H18ClNO2S; sold as Frontier, with the S-isomer form dimethenamid-P (Outlook) registered 1999; controls grasses, broadleaf weeds, and sedges in corn, soybeans, and peanuts.

Dimethenamid p

Dimethenamid-P (CAS 163515-14-8), the S-enantiomer-enriched form of dimethenamid, is a BASF chloroacetamide (HRAC K3) preemergence herbicide controlling annual grasses, broadleaf weeds, and sedges in corn, soybean, potato, and other crops.

Dimethindene

Dimethindene (dimetindene, dimethpyrindene; Fenistil, Forhistal) is a first-generation alkylamine H1-antihistamine developed by Ciba in the early 1960s, used topically and intranasally for pruritus, rhinitis, and allergic reactions.

Dimethipin

Dimethipin (CAS 55290-64-7, trade name Harvade) is a heterocyclic herbicide and cotton growth regulator/desiccant registered in the US since 1982, with EPA Group C carcinogen classification, JMPR ADI 0-0.02 mg/kg bw, and a 2007 voluntary cancellation request.

Dimethirimol

Dimethirimol (CAS 5221-53-4) is a hydroxy-(2-amino)pyrimidine systemic fungicide, FRAC Code 8, first marketed in 1970 for glasshouse powdery mildew; resistance appeared in 1970 and it is no longer EU-approved.

Dimethomorph

Dimethomorph (CAS 110488-70-5) is a systemic fungicide of the CAA group, used against oomycete pathogens; the European Commission denied its EU approval in 2024 over toxicity.

Dimethyl ether as an extraction solvent

Dimethyl ether (methoxymethane) as an extraction solvent: a low-boiling liquefied gas that extracts both polar and non-polar food components; FDA GRAS (GRN 741) and EFSA-assessed with residual limits of 3 mg/kg and 9 μg/kg.

Dimethyl fumarate

Dimethyl fumarate (DMF, Skilarence, Fumaderm, Tecfidera) is an oral fumaric acid ester immunomodulator; its active metabolite monomethyl fumarate treats moderate-to-severe plaque psoriasis and relapsing-remitting multiple sclerosis.

Dimethyl labeling

Dimethyl labeling is a chemical labeling method for quantitative proteomics in which peptide N-termini and lysine amines are reductively dimethylated with formaldehyde isotopologues, comparing protein abundance across two to five samples in one LC-MS experiment.

Dimethyl sulphide

Dimethyl sulphide (DMS, CAS 75-18-3), also called dimethyl sulfide, is a volatile organosulfur compound (CH3)2S from marine phytoplankton DMSP, a food flavouring, natural gas odorant, cloud-forming climate player, and detected in comets and the interstellar medium.