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Nanostructure-loaded mesoporous silica for controlled release of coumarin derivatives: a novel testing of the hyperthermia effect.

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The synthesis of three types of mesoporous materials is reported: pure mesoporous silica (MCM-41), a nanocomposite of mesoporous silica with hydroxyapatite (MCM-41-HA) and mesoporous silica/gold nanorods nanocomposite (MCM-41-GNRs). The mesoporous materials were characterized by X-ray diffraction,

Improved efficacy of hyperthermia by auraptene in human colon adenocarcinoma cells.

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Colon adenocarcinoma is one of the most common cancers worldwide, and resistance to current therapeutic modalities is a serious drawback in its treatment. Auraptene is a natural coumarin with considerable anticancer effects. The goal of this study was to introduce a novel combinatorial approach for

Coumarin anticoagulants and co-trimoxazole: avoid the combination rather than manage the interaction.

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OBJECTIVE The objective of our study was to examine the management of the interaction between acenocoumarol or phenprocoumon and several antibiotics by anticoagulation clinics and to compare the consequences of this interaction on users of co-trimoxazole with those for users of other

Chikungunya virus inhibition by synthetic coumarin-guanosine conjugates.

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Since its discovery in Tanganyika, Africa in 1952, chikungunya virus (CHIKV) outbreaks have occurred in Africa, Asia, Europe, and America. Till now chikungunya fever has spread in nearly 40 countries. Because of lack of effective vaccines and antiviral drugs to intervene this disease, 21 new

Analgesic, anti-pyretic and DNA cleavage studies of novel pyrimidine derivatives of coumarin moiety.

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A novel series of 4-[4-(6-phenyl-pyrimidin-4-yl)-phenoxymethyl]-chromen-2-ones [5-7(a-e)] were synthesized from various 4-bromomethyl coumarins 1(a-e). The synthesized compounds were screened for in-vivo analgesic and anti-pyretic activities at a dose of 25 and 100 mg/kg body weight (b.w),

Reduction of filaritic lymphoedema and elephantiasis by 5,6 benzo-alpha-pyrone (coumarin), and the effects of diethylcarbamazine (DEC).

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Chronic filaritic lymphoedema and elephantiasis, in India, were treated orally with 5,6 benzo-alpha-pyrone (56 BaP; 1,2 benzo-alpha-pyrone; coumarin) in a double-blind, randomized, matched-group trial. Each group finally contained 40-55 patients. Patients were observed for about 2 years (ranging

Identification of a coumarin-based antihistamine-like small molecule as an anti-filoviral entry inhibitor.

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Filoviruses, consisting of Ebola virus, Marburg virus and Cuevavirus, cause severe hemorrhagic fevers in humans with high mortality rates up to 90%. Currently, there is no approved vaccine or therapy available for the prevention and treatment of filovirus infection in humans. The recent 2013-2015

Benzouracil-coumarin-arene conjugates as inhibiting agents for chikungunya virus.

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Chikungunya virus (CHIKV) is an arbovirus that was first recognized in an epidemic form in East Africa in 1952-1953. The virus is primarily transmitted through mosquitoes and the resulting disease, chikungunya fever, is found in nearly 40 countries. Neither an effective vaccine nor a specific

Fever as a risk factor for increased response to vitamin K antagonists: a review of the evidence and potential mechanisms.

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Numerous factors affect the response to vitamin K antagonists (VKA) including age, dietary vitamin K, other drugs, pharmacogenetics, and disease states. In antithrombotic guidelines, fever is mentioned as a factor that may increase response to VKA. The purpose of this article is to review the

Enhanced NIR radiation-triggered hyperthermia by mitochondrial targeting.

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Mitochondria are organelles that are readily susceptible to temperature elevation. We selectively delivered a coumarin-based fluorescent iron oxide nanoparticle, Mito-CIO, to the mitochondria. Upon 740 nm laser irradiation, the intracellular temperature of HeLa cells was elevated by 2.1 °C within 5

A severe renal bleeding as a complication of coumarin therapy in Behçet's disease.

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Behçet's disease is a systemic inflammatory disease, which predisposes patients to venous or arterial thrombosis. We report a case of 41-year-old patient who presented for several years with recurrent fevers, arthralgias, episodes of skin eruptions and recurrent bilateral deep venous ileofemoral

An In-Silico Investigation of Phytochemicals as Antiviral Agents Against Dengue Fever.

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A virtual screening analysis of our library of phytochemical structures with dengue virus protein targets has been carried out using a molecular docking approach. A total of 2194 plant-derived secondary metabolites have been docked. This molecule set comprised of 290 alkaloids (68 indole alkaloids,

Arthropod repellency, especially tick (Ixodes ricinus), exerted by extract from Artemisia abrotanum and essential oil from flowers of Dianthus caryophyllum.

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A toluene extract of southernwood (Artemisia abrotanum) and the essential oil from flowers of carnation (Dianthus caryophyllum ) exerted pronounced a repellent effect both against ticks (nymphs of Ixodes ricinus) and yellow fever mosquitoes (Aedes aegypti). The most potent repellents found were

Characteristics of anticoagulant therapy and comorbidity related to overanticoagulation.

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The risk of hemorrhage when using coumarin anticoagulants sharply increases when the International Normalised Ratio (INR) is > or =6.0. We performed a prospective cohort study with a nested case-control design among 17,056 outpatients of an anticoagulation clinic to determine the incidence of

Levels of vitamin K-dependent procoagulant and anticoagulant proteins in over-anticoagulated patients.

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Coumarin anticoagulants impair the biological activity of the vitamin K-dependent procoagulant and anticoagulant proteins. There are no reports that focus on the levels of these proteins in over-anticoagulated patients. Therefore, we determined the levels of factor II, factor VII, factor IX and

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