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Dipangkorn Rasmijoti (ทีปังกรรัศมีโชติ)

Dipangkorn Rasmijoti (ทีปังกรรัศมีโชติ), born 2005, is the only officially recognised son of Thailand's King Vajiralongkorn (Rama X) and the presumptive heir under the 1924 Palace Law of Succession; schooled in Germany, he keeps a low profile.

Dipanjan Chowdhury

Dipanjan Chowdhury is a molecular biologist who studies DNA repair and genome stability, and is Svanberg Family Professor at Harvard Medical School and Chief of Radiation and Genomic Stability at Dana-Farber.

Dipanjan Deb

Dipanjan "DJ" Deb is a private equity investor who co-founded the technology investment firm Francisco Partners in 1999 and serves as its CEO, overseeing more than $75 billion raised since inception.

Dipanjan Pan

Dipanjan Pan is a nanomedicine researcher who holds the Huck Chair Professorship at Pennsylvania State University, known for 2020 nanoparticle tests diagnosing COVID-19 in 10 minutes.

Dipankar Bhattacharya

Dipankar Bhattacharya is an Indian politician who leads the Communist Party of India (Marxist–Leninist) Liberation as general secretary and participates in the INDIA opposition alliance.

Dipankar Das Sarma

Dipankar Das Sarma, often published as D. D. Sarma, is an Indian condensed matter physicist and solid-state chemist at the Indian Institute of Science, Bengaluru.

Dipankar Sen

Dipankar Sen is an Indian-born biochemist at Simon Fraser University since 1991, known for early Nature papers on four-stranded G4-DNA and for showing that DNA can act as a catalyst.

Dipannita Sharma

Dipannita Sharma (दीपानिता शर्मा), Assamese-Indian supermodel and actor from Duliajan, Assam; Miss India 1998 finalist and Miss Photogenic; film debut in 16 December (2002); roles in War, Ladies vs Ricky Bahl; award-winning Assamese film and web series work.

Dipavamsa

The Dīpavaṃsa, meaning Chronicle of the Island, is an anonymous Pali verse chronicle of Sri Lanka, composed around the 4th century CE and the oldest of the Pali chronicles.

Dipendra of Nepal

Dipendra Bir Bikram Shah Dev, Crown Prince and briefly King of Nepal, killed nine royal family members including King Birendra at Narayanhiti Palace on 1 June 2001 over a marriage dispute, then died of a self-inflicted gunshot on 4 June 2001.

Dipentaerythritol

Dipentaerythritol is an ether-linked polyol with six hydroxyl groups on a compact C10 skeleton, formed as a byproduct of pentaerythritol production and used in polyesters, PVC stabilizers, coatings, and lubricants.

Dipeptidyl peptidase-4

Dipeptidyl peptidase-4 (DPP-4, DPP-IV, CD26, EC 3.4.14.5) is a serine protease discovered in 1966 that inactivates incretin hormones GLP-1 and GIP; its inhibitors (sitagliptin, vildagliptin) treat type 2 diabetes with low hypoglycemia risk and neutral cardiovascular outcomes.

Dipeptidyl peptidase-4 inhibitor

Dipeptidyl peptidase-4 (DPP-4) inhibitors, or gliptins, are oral type 2 diabetes drugs that prolong incretin action; sitagliptin was first approved in 2006, with neutral cardiovascular outcomes but a saxagliptin heart failure signal.

DIPG trial

DIPG trial: clinical studies for diffuse intrinsic pontine glioma (DIPG), a fatal pediatric brainstem tumor. Key trials include hypofractionated radiotherapy comparisons, BIOMEDE targeted therapy, NCT03620032 re-irradiation, and CAR T studies.

Diphacinone

Diphacinone (diphenadione, CAS 82-66-6) is a first-generation indandione anticoagulant rodenticide inhibiting vitamin K epoxide reductase; multi-dose rat, mouse, vole, and island rodent control poison, WHO Class IA, vitamin K1 antidote.

Diphallia

Diphallia (duplicate penis) is an extremely rare congenital anomaly, about 1 in 5–6 million births, with roughly 100 reported cases since Wecker's 1609 report; it ranges from accessory tissue to complete penile duplication with associated anomalies.

Diphasiastrum

Diphasiastrum, ground cedars, is a genus of clubmosses (Lycopodiaceae) published by Holub in 1975, with flattened fan-like branches, underground mycorrhizal gametophytes, x=23, and extensive hybridization in Central Europe; sometimes synonymized with Lycopodium.

Diphasiastrum digitatum

Diphasiastrum digitatum (Dill. ex A. Braun) Holub, southern ground-cedar or fan clubmoss, is a North American clubmoss (Lycopodiaceae) with flat fan-shaped branches, 15–50 cm erect shoots, and 2–5 strobili, native from eastern Canada to the eastern and north-central USA, globally secure (G5).

Diphemanil

Diphemanil, sold as Prantal, is a synthetic quaternary ammonium anticholinergic drug that blocks muscarinic receptors to reduce stomach acid, saliva, and sweat; it was used for peptic ulcer and is now discontinued.

Diphenamid

Diphenamid (N,N-dimethyl-2,2-diphenylacetamide, CAS 957-51-7, Dymid, Enide) is a pre-emergence amide herbicide introduced circa 1960, root-absorbed, VLCFA-inhibiting (HRAC K3), moderately persistent and mobile in soil, discontinued in the US in 1988.

Diphenhydramine

Diphenhydramine (Benadryl) is a first-generation antihistamine developed by George Rieveschl and first marketed in 1946 by Parke-Davis. Used for allergy, motion sickness, and sleep aids; Beers Criteria advise avoiding it in older adults.

Diphenidol

Diphenidol (difenidol; Vontrol, Cephadol) is a non-phenothiazine antiemetic and antivertigo tertiary alcohol drug, approved in the US in 1967 and now discontinued there, still used in Japan for vertigo.

Diphenoxylate

Diphenoxylate (Lomotil, with atropine) is a phenylpiperidine μ-opioid agonist antidiarrheal, US Schedule V, contraindicated under age 6, dependence reported at 100-300 mg/day.

Diphenyl diselenide

Diphenyl diselenide (Ph2Se2) is a stable, commercially available organoselenium compound used as a reagent in organic synthesis and as a reference antioxidant and glutathione peroxidase mimic.

Diphenyl disulfide

Diphenyl disulfide, also called phenyl disulfide, is the simplest aromatic disulfide, a white crystalline organosulfur compound melting near 60 °C used in radical chemistry and sulfenylation.

Diphenyl ether

Diphenyl ether, also called diphenyl oxide or phenoxybenzene, is a colorless aromatic ether used as a heat transfer fluid, notably in DOWTHERM A, and in soap perfumery.

Diphenyl sulfide

Diphenyl sulfide, also called phenyl sulfide, is an organosulfur compound of formula C12H10S with two phenyl groups joined by a sulfur atom, a colorless liquid with an unpleasant odor.

Diphenylamine

Diphenylamine, also called N-phenyl aniline, is an aromatic secondary amine, (C₆H₅)₂NH, used as a propellant stabilizer, antioxidant, dye intermediate, and post-harvest scald treatment for apples.

Diphenyleneiodonium

Diphenyleneiodonium, also called dibenziodolium, is a cyclic diaryliodonium cation that covalently inhibits flavin-containing enzymes; it is the most commonly used inhibitor of NADPH oxidase in experimental research.

Diphenylmethane

Diphenylmethane, also called benzylbenzene, is an aromatic hydrocarbon, C13H12, with a central methylene group linking two phenyl rings, used as a fragrance fixative, dye carrier, and chemical intermediate.