Results 61 to 70 of about 10,715 (305)

Degradação ultra-sônica da borracha natural de seringueira (Hevea brasiliensis) em solução toluênica: estudo por GPC [PDF]

Polímeros, 1999
A redução da massa molar e consequentemente da viscosidade são efeitos observados quando soluções poliméricas são submetidas a ultrasom de alta intensidade.
Antonio S. G. Magalhães, Judith P. de A. Feitosa   +1 more
doaj   +1 more source

Determinação do sexo da Tuvira Gymnotus sp. através da análise de imagem de ultra-som [PDF]

, 2011
A tuvira (Gymnotus sp.) é um peixe muito conhecido no Pantanal por ser amplamente utilizado como isca viva pela pesca esportiva. Visto os problemas inerentes à sua coleta na natureza, como degradação ambiental e as condições desumanas de trabalho, faz-se
ACORCI, L. C., PEDROSO, M. F., ROTTA, M. A.   +2 more
core  

Valosin‐containing protein counteracts ATP‐driven dissolution of FUS condensates through its ATPase activity in vitro

FEBS Letters, EarlyView.
Biomolecular condensates formed by fused in sarcoma (FUS) are dissolved by high ATP concentrations yet persist in cells. Using a reconstituted system, we demonstrate that valosin‐containing protein (VCP), an AAA+ ATPase, counteracts ATP‐driven dissolution of FUS condensates through its D2 ATPase activity.
Hitomi Kimura, Shin‐ichi Tate, Kyota Yasuda   +2 more
wiley   +1 more source

Portal blood flow volume measurement in schistosomal patients: evaluation of Doppler ultrasonography reproducibility [PDF]

, 2008
OBJECTIVE: To evaluate the reproducibility of Doppler ultrasonography in the measurement of portal blood flow volume in schistosomal patients. MATERIALS AND METHODOS: Prospective, transversal, observational and self-paired study evaluating 21 patients ...
Colleoni Neto, Ramiro, D'Ippolito, Giuseppe, Leão, Alberto Ribeiro de Souza, Moulin, Danilo Sales, Santos, José Eduardo Mourão, Shigueoka, David Carlos   +5 more
core   +2 more sources

Ultra-som terapêutico contínuo térmico em modelo experimental de ciatalgia [PDF]

Fisioterapia e Pesquisa, 2009
O ultra-som é um recurso fisioterapêutico que pode atuar na redução dos sintomas da ciatalgia. O objetivo deste estudo foi verificar a eficácia do ultra-som terapêutico, no modo contínuo, em duas diferentes densidades de potência (0,5 W/cm² e 1 W/cm²), na redução do quadro álgico em ratos submetidos a modelo experimental de ciatalgia.
Ciena, Adriano Polican, Oliveira, Jaques Jean Junqueira, Cunha, Núbia Broetto, Bertolini, Gladson Ricardo Flor   +3 more
openaire   +2 more sources

pH‐mediated activation of the lysosomal arginine sensor SLC38A9

FEBS Letters, EarlyView.
Cells monitor nutrient levels via the lysosomal transporter SLC38A9 to activate the mechanistic target of rapamycin complex 1 (mTORC1). This study reveals that SLC38A9 function is regulated by pH. We identified histidine 544 as a critical pH sensor that undergoes conformational changes to control amino acid efflux from lysosomes; therefore, it ...
Xuelang Mu, Ampon Sae Her, Tamir Gonen
wiley   +1 more source

Aplicação do ultra-som em sistemas eletroquímicos: considerações teóricas e experimentais [PDF]

Química Nova, 2008
The aim of this review is to present and discuss the applications of ultrasound in electrochemical systems such as in sonoelectroanalysis and sonoelectrolysis for the electrochemical combustion of organic compounds. Initially, theoretical and experimental aspects are discussed, particularly those related to the enhancement of mass transport and the ...
Garbellini, Gustavo S., Salazar-Banda, Giancarlo R., Avaca, Luis A.   +2 more
openaire   +3 more sources

Transcriptional network analysis of PTEN‐protein‐deficient prostate tumors reveals robust stromal reprogramming and signs of senescent paracrine communication

Molecular Oncology, EarlyView.
Combining PTEN protein assessment and transcriptomic profiling of prostate tumors, we uncovered a network enriched in senescence and extracellular matrix (ECM) programs associated with PTEN loss and conserved in a mouse model. We show that PTEN‐deficient cells trigger paracrine remodeling of the surrounding stroma and this information could help ...
Ivana Rondon‐Lorefice, Jose I. Lopez, Aitziber Ugalde‐Olano, Maite Zufiaurre, Ianire Astobiza, Natalia Martin‐Martin, Laura Bozal‐Basterra, Saioa Garcia‐Longarte, Amaia Zabala‐Letona, Sofia Rey, Aida Santos‐Martin, Miguel Unda, Ana Loizaga‐Iriarte, Mariona Graupera, Paolo Nuciforo, Arkaitz Carracedo, Isabel Mendizabal   +16 more
wiley   +1 more source

Influence of the power level of an ultra-sonic system on dental cavity preparation Influência do nível de potência de um sistema de ultra-som em preparos cavitários

Brazilian Oral Research, 2007
The aim of this study was to evaluate the shape of dental cavities made with the CVDentus® system using different ultrasound power levels. One standard cavity was made on the buccal aspect of 15 bovine incisors with a CVDentus® cylindrical bur (82142 ...
Érika Botelho Josgrilberg, Murilo de Sousa Guimarães, Cyneu Aguiar Pansani, Rita de Cássia Loiola Cordeiro   +3 more
doaj   +1 more source

Popliteal artery entrapment syndrome: a differential diagnosis in lower limbs claudication: contribution of magnetic resonance imaging for diagnosis and evaluation [PDF]

, 2007
Universidade Federal de São Paulo (UNIFESP) Departamento de Diagnóstico por ImagemUNIFESPUNIFESP, Depto.
Fernandes, Artur da Rocha Correa, Ikawa, Marcos Hiroyuki, Jannini, Marcelo Guedes, Natour, Jamil, Sugawara, Leonardo Massamaru, Takahashi, Rogério Diniz   +5 more
core   +2 more sources