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resorcin/carie dentaria

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ArticoliTest cliniciBrevetti
Pagina 1 a partire dal 43 risultati

Enantioselective guest exchange in a chiral resorcin[4]arene cavity.

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Gas-phase proton-bound complexes between a chiral resorcin[4]arene and some representative amino acids, that is, L- and D-alanine or L- and D-serine, were generated in the source of a Fourier transform ion cyclotron resonance mass spectrometer. Gas-phase exchange of the amino acid from the

Repair of aortic root abscess cavity with Gelatin-Resorcin-Formol biological glue.

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We report a case of infective endocarditis in which Gelatin-Resorcin-Formol biological glue enabled safe and effective aortic root repair to be performed in a 57-year-old man with infective endocarditis and subsequent aortic valve insufficiency.

7,11,15,28-Tetra-methyl-1,21,23,25-tetra-kis(2-phenyl-ethyl)resorcin[4]arene ethyl acetate clathrate.

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The title compound, C(68)H(64)O(8)·C(4)H(8)O(2), is a new resorcin-[4]arene cavitand synthetic precursor, obtained by alkyl-ation of a previously reported resorcin[4]arene. The additional alkyl bridges significantly rigidify the structure and enforce a 'bowl' shape on the mol-ecular cavity. In the
The title compound, C(68)H(56)O(16), was synthesized as a novel synthetic inter-mediate towards deeper and more elaborate resorcin[4]arene cavitands. The structure is the first reported example of a resorcin[4]arene cavitand bearing aromatic aldehyde functional groups at the extra-annular rim of the

Stimuli-Responsive Resorcin[4]arene Cavitands: Toward Visible-Light-Activated Molecular Grippers

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Resorcin[4]arene cavitands, equipped with diverse quinone (Q) and [Ru(bpy)2 dppz]2+ (bpy=2,2'-bipyridine, dppz=dipyrido[3,2-a:2',3'-c]phenazine) photosensitizing walls in different configurations, were synthesized. Upon visible-light irradiation at 420 nm, electron transfer

[Experimental gluing of the pleural cavity].

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In experimental research on rabbits the authors assessed the usefulness of tissue adhesive-GRF in obtaining tissue union in the pleural cavity to replace aspiration drainage after thoracosurgical operations. The experiments were carried out on rabbits under general anaesthesia in two groups. First

Microwave-assisted synthesis of a new series of resorcin[4]arene cavitand-capped porphyrin capsules.

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Capsule-shaped molecular receptors are fundamental to the modeling of biological host-guest interactions such as those characteristic of enzymatic processes. Among the more versatile and effective synthetic receptors are the hemicarcerand-type hosts. Herein we report the synthesis of six novel

[Clinical experience of gelatin-resorcin-formal (GRF) glue for acute empyema with bronchopleural fistula].

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Gelatin-resorcin-formal (GRF) glue is a new biological adhesive agent with the advantage of sealing efficacy. We report a successful closure of bronchopleural fistula using this agent. A 77-year-old man underwent cavernostomy for lung aspergillosis. After surgery, he developed methicillin-resistant

Synthesis and molecular modelling studies of resorcin[4]arene-capped porphyrins.

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Three new resorcin[4]arene-capped porphyrins (3, 5 and 7) different in the porphyrin skeleton, in the linking arms and in the cavity dimensions, have been synthesised. Molecular modelling calculations explored the conformations and the cavity size of the three compounds and showed that their
We reinforced the bronchial stump with fascia lata and Gelatin Resorcin Formalin (GRF) glue in a right pneumonectomy. This method was found to be simple and useful. We describe our case and the method herein. A 62-year-old woman had a malignant polypoid lesion which completely occluded the introitus

Stereochemical preference of 2'-deoxycytidine for chiral bis(diamido)-bridged basket resorcin[4]arenes.

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Bis(diamido)-bridged basket resorcin[4]arene (all-S)-1 and its (all-R)-1 enantiomer proved able to interact with 2'-deoxycytidine (2) and pyrimidine nucleoside analogs in dimethyl sulfoxide (DMSO) solution. In such a solvent, the resorcinarene hosts adopt a preferential 1,3-alternate-like

Spatially Directional Resorcin[4]arene Cavitand Glycoconjugates for Organic Catalysis.

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The synthesis of novel spatially directional multivalent resorcin[4]arene cavitand glycoconjugates (RCGs) and their ability to catalyze organic reactions is reported. The β-d-glucopyranoside moieties on the upper rim of the "bowl"-shaped resorcin[4]arene cavitand core are capable of multiple
Resorcin[4]arene cavitands are well-known supramolecular hosts, and their outstanding guest-binding abilities in solution have been studied in detail in recent decades. In a systematic approach, different resorcin[4]arene cavitands and container molecules are characterized as affinity materials for
The complexation properties of two novel C5-substituted adamantanediazirines within the resorcin[4]arene-based cavitand 4 were investigated in DMSO-d(6), revealing that binding is up to 1.4 kcal/mol stronger for halogenated adamantanediazirines when compared with the unsubstituted species. The
The conformation of resorcin[4]arene cavitand system 1 was controlled by DMSO through a hydrogen bonding network between benzodiazaborole NHs of the cavitand flaps and DMSO molecules to stabilize the vase form. Subsequently, a guest-binding cavity of 1 was formed to accommodate tetraalkylammonium
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