Results 61 to 70 of about 12,440 (225)
Asphaltene oxide promotes a broad range of synthetic transformations [PDF]
, 2019 Carbocatalysts, which are catalytically-active materials derived from carbon-rich sources, are attractive alternatives to metal-based analogs. Graphene oxide is a prototypical example and has been successfully employed in a broad range of synthetic ...
Bielawski, Christopher W., Jung, Hyosic
core +2 more sources
Activatable smart contrast agents for photoacoustic imaging
Smart Molecules, EarlyView.This review highlights recent advances in smart activatable photoacoustic imaging (PAI) contrast agents, which dynamically modulate their optical properties in response to external stimuli or microenvironmental cues. It discusses their molecular design, activation mechanisms, biomedical applications, and future prospects for clinically tailored use ...
Donghyeon Oh +5 more
wiley +1 more source
Beilstein Journal of Organic Chemistry, 2011 An efficient and greener protocol for the synthesis of 12-aryl-8,9,10,12-tetrahydrobenzo[a]xanthen-11-one using tetradecyltrimethylammonium bromide (TTAB) at room temperature in water is described.
Pravin V. Shinde +3 more
doaj +1 more source
Molecules, 2022 Novel cyano-benzylidene xanthene derivatives were synthesized using one-pot and condensation reactions. A diprotic Brønsted acid (i.e., oxalic acid) was used as an effective catalyst for the promotion of the synthesis process of the new starting xanthene–
Mohammed A. Amin +11 more
doaj +1 more source
Chemically driven switches for online detection of pH changes in microfluidic devices [PDF]
, 2003 The internal walls of microfabricated fluidic channels were functionalized with a selfassembled monolayer of Rhodamine B lactam. This molecule has the capability to interconvert between its open fluorescent amide form and the closed non-fluorescent ...
Berg, A. van den +5 more
core +1 more source
Озониндуцированная хемилюминeсценция уранина в присутствии плазмы крови [PDF]
, 2017 Хемилюминесцентный ответ системы уранин—плазма крови на действие озона состоит из двух частей — кроткой вспышки, длящейся около 5 с, и послесвечения, спадающего в течение 20—30 мин.
Головина, К.Н. +4 more
core +2 more sources
The Chemical Record, EarlyView.This review highlights recent advances in the use of organic carbonates, dimethyl carbonate (DMC), diethyl carbonate (DEC), and propylene carbonate (PC), as solvents in organic synthesis. Based on over seventy studies from the past 6 years, it shows their application in different organic reaction types, emphasizing their role in safer and more ...
Gabriela T. Quadros +5 more
wiley +1 more source
Four New Insecticidal Xanthene Derivatives from the Mangrove-Derived Fungus Penicillium sp. JY246
Marine Drugs, 2019 Four new xanthene derivatives, penicixanthenes A−D (1−4), and one known compound 5 were isolated from a marine mangrove endophytic fungus Penicillium sp. JY246 that was obtained from the stem of Ceriops tagal. Their structures were determined
Meng Bai +5 more
doaj +1 more source
Investigation of efficient synthesis of 1, 8-dioxo-octahydroxanthene derivatives under solvent-free grinding method [PDF]
, 2013 In these studies, we had observed polyaniline (PANI) supported p-toluene sulfonic acid (TsOH) and FeCl3 (PANI- TsOH, PANI-FeCl3) as excellent reusable solid acid catalysts for the synthesis of 1, 8-dioxo-octahydroxanthene derivatives 4(a-g) under solvent-
P. Dutta, P. Sarma, R. Borah
core +1 more source
Novel and emerging antimicrobial strategies in the management of oral infections
Periodontology 2000, EarlyView.Abstract Background Antibiotics marked a pivotal turning point in human civilization, enhancing social interactions and extending human life expectancy. In addition to their success in treating systemic infectious diseases, they have significantly improved periodontal treatment outcomes as an adjunct therapy.
Ozge Unlu, Nil Yakar, Alpdogan Kantarci
wiley +1 more source