Search results for "Emodin"
showing 10 items of 12 documents
m.quadriceps statisku slodzi pavadošās hemodinamiskās reakcijas augšstilba maģistrālo artēriju gultnēs
2013
m.quadriceps statisku slodzi pavadošās hemodinamiskās reakcijas augšstilba maģistrālo artēriju gultnēs Pētījums veltīts perifēro artēriju un pretestības asinsvadu tonusa regulācijas īpatnību izpētei, reģionālai muskuļu asinsvadu gultnei iekļaujoties dažāda rakstura hemodinamiskās reakcijās. Promocijas darba pirmajā etapā tika veikti tālākā pētījumā izmantojamo metožu teorētiskā pamatojuma un praktiskās realizācijas pilnveidojumi: fotopletizmogrāfijas metodei – audu tilpuma pulsa un atsevišķas artērijas pulsa reģistrācijas metožu informativitātes salīdzinājums, artēriju ultrasonogrāfijas metodei – oriģinālas programmatūras izstrāde un aprobācija artērijas morfometrisko un asins plūsmas param…
Cytotoxicity of aloe-emodin towards several drug sensitive cells and their resistant counterparts
2017
Aloin delivery on buccal mucosa: ex vivo studies and design of a new locoregional dosing system
2014
Context: Chemoprevention of potential malignant disorders or cancerous lesions that affect oral mucosae requires extended duration of treatment. Locoregional delivery of natural products could represent a promising strategy for this purpose. Objective: To investigate the aptitude of aloin to permeate through, or accumulate in, the buccal mucosa and to develop a new prolonged oro-mucosal drug delivery system. Materials and Methods: Permeation/accumulation of aloin from Curacao Aloe (containing 50% barbaloin) was evaluated ex vivo, using porcine buccal mucosa as the most useful model to simulate human epithelium. Oro-mucosal matrix tablets were prepared by dispersing aloin (10% w/w) in Eudrag…
Alterazioni dell’emodinamica intrarenale e del microcircolo coroideo valutate mediante OCT in soggetti con ipertensione arteriosa
2021
Māsu darba organizācija hemodinamiski nestabilu pacientu aprūpē intensīvās terapijas nodaļā
2017
Bakalaura darba tēma ir „Māsu darba organizācija hemodinamiski nestabilu pacientu aprūpē intensīvās terapijas nodaļā”. Tēmas aktualitāti nosaka tas, ka intensīvās terapijas nodaļā hemodinamiski nestabilu pacientu aprūpē, laikam mainoties, māsām ir nepieciešamas aizvien lielākas profesionālas zināšanas veicot darba organizāciju. Darba mērķis ir noskaidrot māsu darba organizāciju hemodinamiski nestabilu pacientu aprūpē intensīvās terapijas nodaļā. Uzsākot darbu tiek izvirzīts pētījuma jautājums: „Kāda ir māsu darba organizācija hemodinamiski nestabilu pacientu aprūpē intensīvās terapijas nodaļā?” Bakalaura darbā tiek pielietota kvalitatīvā pētniecības metode. Kā pētniecības instruments tiek i…
Modelización computacional cardiaca
2020
Resumen Las enfermedades cardiovasculares tienen en la actualidad un gran impacto social y economico y constituyen una de las principales causas de mortalidad y morbilidad. Los modelos computacionales personalizados del corazon estan demostrando ser utiles tanto para ayudar a comprender los mecanismos subyacentes a las patologias cardiacas como para optimizar su tratamiento prediciendo la respuesta del paciente. En este contexto, se ha puesto en marcha la Red Espanola de Investigacion en Modelizacion Computacional Cardiaca (V-Heart SN). El objetivo general de V-Heart SN es el desarrollo de un modelo computacional multifisico y multiescala integrado del corazon. Este objetivo general se abor…
Modificazioni dell’emodinamica splancnica dopo somministrazione endovenosa di terlipressina in associazione ad infusione di octreotide nel suino.
2014
L’obiettivo di questo studio è valutare gli effetti sull’emodinamica splancnica dopo la somministrazione di terlipressina in associazione all’infusione endovenosa di octeotride. La terlipressina trova impiego clinico nella terapia selettiva delle emorragie da varici esofagee, principale complicanza dell’ipertensione portale, senza provocare alterazioni della dinamica emocoagulativa. L’uso dell’octreotide è ben conosciuto come valida terapia per emorragia delle varici in pazienti cirrotici attraverso la riduzione della pressione portale e il flusso sanguigno portocollaterale. Lo scopo del presente studio è valutare gli effetti dell’associazione farmacologica di terlipressina e octreotide nel…
Dihydroisocoumarins, Naphthalenes, and Further Polyketides from Aloe vera and A. plicatilis: Isolation, Identification and Their 5-LOX/COX-1 Inhibiti…
2021
The present study aims at the isolation and identification of diverse phenolic polyketides from Aloe vera (L.) Burm.f. and Aloe plicatilis (L.) Miller and includes their 5-LOX/COX-1 inhibiting potency. After initial Sephadex-LH20 gel filtration and combined silica gel 60- and RP18-CC, three dihydroisocoumarins (nonaketides), four 5-methyl-8-C-glucosylchromones (heptaketides) from A. vera, and two hexaketide-naphthalenes from A. plicatilis have been isolated by means of HSCCC. The structures of all polyketides were elucidated by ESI-MS and 2D 1H/13C-NMR (HMQC, HMBC) techniques. The analytical/preparative separation of 3R-feralolide, 3′-O-β-d-glucopyranosyl- and the new 6-O-β-d-glucopyranosyl…
EMODINAMICA DEL TALAMO
2009
The inhibition by naphthoquinones and anthraquinones of 2-amino-3-methylimidazo[4,5- f ]quinoline metabolic activation to a mutagen: a structure-act…
1998
Nine naphthoquinones, 19 anthraquinones, and nine structurally related monoketonic compounds such as anthrone, xanthone, etc., inhibited mutagenicity induced by 2-amino-3-methylimidazo[4,5-f]quinoline (IQ) in Salmonella typhimurium TA 98 in the presence of rat liver S9 with distinct structure-activity relationships. A carbonyl function was a prerequisite for antimutagenicity while, in general, anthraquinones (IC50 values: 2.3–>213 nmol/ml top agar) were more potent antimutagens than structurally related monoketonic compounds (IC50 values: 25.3–94.9 nmol/ml top agar) and naphthoquinones (IC50 values: 3.7–90.7 nmol/ml top agar). The parent compounds and methyl substituted derivatives were alr…