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Acoustic radiation force impulse (ARFI) elastography of adrenal glands in healthy adult dogs Arq. Bras. Med. Vet. Zootec.
Fernandez,S.; Feliciano,M.A.R.; Borin-Crivellenti,S.; Crivellenti,L.Z.; Maronezi,M.C.; Simões,A.P.R.; Silva,P.D.A.; Uscategui,R.R.; Cruz,N.R.N.; Santana,A.E.; Vicente,W.R.R..
ABSTRACT To describe the ARFI elastography in the evaluation of the adrenal glands in adult dogs, to evaluate the stiffness of adrenal parenchyma and to determine the qualitative and quantitative standards of the ARFI technique, which have not yet been described in veterinary medicine. Sixty adrenal glands from thirty healthy adult dogs were evaluated by B-mode and qualitative and quantitative ARFI elastography to assess the stiffness of healthy parenchyma and to determine the quality and quantity (shear velocity) standards of ARFI technique in body, cranial and caudal adrenal poles. Findings of ultrasonography evaluations were normal. Qualitative elastography showed that adrenal glands were not deformable and presented homogeneous middle-gray areas. The...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Canine; Adrenal; Ultrasound.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352017000200340
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Acoustic radiation force impulse elastography of the eyes of brachycephalic dogs Arq. Bras. Med. Vet. Zootec.
Abreu,T.G.M.; Feliciano,M.A.R.; Renzo,R.; Kobashigawa,K.K.; Chacaltana,F.D.Y.C.; Crivelaro,R.M.; Silveira,C.P. B.; Cruz,N.R.N.; Aldrovani,M.; Maronezi,M.C.; Silva,P.A.; Thiesen,R.; Laus,J.L..
ABSTRACT Eyes from brachycephalic dogs were studied by acoustic radiation force impulse (ARFI) elastography to establish quantitative and qualitative reference values related to the shape and rigidity of some ocular structures. Eighty-four eyes from 42 adult brachycephalic dogs were included in this study. Animals were subjected to physical, laboratory, and ophthalmic examinations. Following confirmation of good health, the dogs were subjected to ultrasonography and ARFI elastography, emphasizing the optic nerve, ciliary body, and lens. On qualitative elastography, homogeneous characteristics were observed on the ciliary body and optic nerve. Aqueous and vitreous humors were visualized as mosaic-like images. Quantitative elastography showed the mean optic...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Canine; Ocular structures; Ultrasound.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352018000401045
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An ultrasound and histomorphological analysis of experimental liver cirrhosis in rats BJMBR
Dias,J.V.; Paredes,B.D.; Mesquita,L.F.Q.; Carvalho,A.B.; Kozlowski,E.O.; Lessa,A.S.; Takiya,C.M.; Resende,C.M.C.; Coelho,H.S.M.; Campos-de-Carvalho,A.C.; Rezende,G.F.M.; Goldenberg,R.C.S..
We investigated whether liver injury by dual exposure to ethanol and carbon tetrachloride (EtOH + CCl4) for 15 weeks would persist after hepatotoxic agents were removed (EtOH + CCl4/8wR). After 15 weeks of hepatic injury with ethanol (5.5%, m/v) and carbon tetrachloride (0.05, mL/kg, ip), 5 of 11 female Wistar rats were sacrificed. The other 6 rats were maintained for an additional 8 weeks without hepatotoxic agents. Ultrasonography showed increased liver echogenicity and dilation of portal vein caliber in both groups (EtOH + CCl4: 0.22 ± 0.01 cm, P < 0.001; EtOH + CCl4/8wR: 0.21 ± 0.02 cm, P < 0.01) vs control (0.16 ± 0.02 cm). Histopathology showed regenerative nodules in both experimental groups. Histomorphometry revealed increased fibrosis...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Rat; Cirrhosis; Collagen; Ultrasound; CCl4; Ethanol.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2008001100008
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Assessment of luteal function in goats by ultrasonographic image attribute analysis. Repositório Alice
ARASHIRO, E. K. N.; FONSECA, J. F. da; PEREIRA, L. G. R.; FERNANDES, C. A.; BRANDÃO, F. Z.; OBA, E.; VIANA, J. H. M..
The aim of this study was to evaluate the potential of luteal echotexture (mean pixel value and heterogeneity), as a tool for assessing luteal function during different phases of the estrous cycle in Toggenburg goats. Sonographic evaluations of the ovaries were performed daily in nulliparous goats (n = 21), using a 5MHz linear rectal probe, commencing at estrus (day 0). Blood samples were collected daily for plasma progesterone RIA and images recorded on VHS tape and then digitized in TIFF format at a resolution of 1500×1125 pixels. A representative elementary area (REA) of 5625 pixels (0.31cm2) of these images was analyzed using custom-developed software, for mean pixel value and heterogeneity. Mean plasma progesterone, luteal area and pixels all reached...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Corpus luteum; Echotexture; Goat; Ultrasound.
Ano: 2010 URL: http://www.alice.cnptia.embrapa.br/handle/doc/881407
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Assessment of ultrasonographic and endoscopic changes in dogs with gastrointestinale disorders Arq. Bras. Med. Vet. Zootec.
Malancus,R.N.; Malancus,C.M. Tofan.
ABSTRACT The study has been conducted over a period of 4 years, on a total number of 133 dogs, all of those expressing gastrointestinal disorders. Ultrasound and endoscopic examinations were performed in all dogs in order to assess any significant correlations between ultrasonographic and endoscopic findings. The results confirm a significant correlation between the presence of diarrhoea and increased thickness of the large bowel wall, with P<0.5. Another extremely significant correlation we observed is the one between increased thickness of large bowel wall and loss of layering at this level, with P<0.5. Upper GI endoscopy revealed that dilated lacteals in the duodenum are significantly associated with the presence of diarrhoea, P<0.5 and, more...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Dogs; Gastrointestinal tract; Ultrasound; Endoscopy.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352017000601451
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Avaliação ultrassonográfica e número de estruturas embrionárias coletadas pelo método não cirúrgico em cabras leiteiras. Repositório Alice
NASCIMENTO, P. M. P.; OLIVEIRA, A. P.; CAMPOLINA, J. P.; LEIE, R. C.; FONSECA, J. F. da.
O objetivo do estudo foi comparar o número de CL aferidos após ultrassonografia e o número de embriões coletados após protocolo de superovulação em cabras leiteiras. O estudo foi realizado no município de Piau, região da Zona da Mata do estado de Minas Gerais. O exame ultrassonográfico prévio às coletas de embriões pode ser utilizado para avaliar a resposta superuvalatória e a eficiência do lavado não cirúrgico em cabras. Além de evitar o custo do lavado em animais que não responderam ao tratamento superovulatório.
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Cabra leiteira; Caprino; Corpo lúteo; Ultrassom; Reprodução animal; Superovulação; Goats; Ultrasound; Corpus luteum; Superovulated females; Reproduction.
Ano: 2012 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1070461
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Bilateral Supernumerary Sternocleidomastoid Heads with Critical Narrowing of the Minor and Major Supraclavicular Fossae: Clinical and Surgical Implications International Journal of Morphology
Raikos,Athanasios; Paraskevas,George K; Triaridis,Stefanos; Kordali,Panagiota; Psillas,George; Brand-Saberi,Beate.
Anatomical variations of the sternocleidomastoid muscle are rare and concern its origin, insertion, and the number of heads. We report on a rare bilateral variant of the sternocleidomastoid muscle with aberrant and supernumerary muscular heads, observed in a cadaveric subject. On the right side of the neck, a typical sternomastoid head of the sternocleidomastoid muscle, and three aberrant clavicular heads of variable thickness, origin, and termination were noticed. On the left side, two sternomastoid heads were present; the medial one was of typical pattern, while the lateral was supernumerary. The cleidomastoid portion of the left sternocleidomastoid muscle was fused with the double sternomastoid segment. A strap-like muscle originating from the middle...
Tipo: Journal article Palavras-chave: Cleidocervical; Cleido-occipital; Sternocleidomastoid; Sternomastoid; Supraclavicular fossa; Ultrasound; Variant.
Ano: 2012 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022012000300027
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Bioeffects of albumin-encapsulated microbubbles and real-time myocardial contrast echocardiography in an experimental canine model BJMBR
Dourado,P.M.M.; Tsutsui,J.M.; Santos,J.M.T.; Aiello,V.D.; Mathias Jr.,W.; Ramires,A.F.; da Luz,P.L.; Chagas,A.C.P..
Myocardial contrast echocardiography has been used for assessing myocardial perfusion. Some concerns regarding its safety still remain, mainly regarding the induction of microvascular alterations. We sought to determine the bioeffects of microbubbles and real-time myocardial contrast echocardiography (RTMCE) in a closed-chest canine model. Eighteen mongrel dogs were randomly assigned to two groups. Nine were submitted to continuous intravenous infusion of perfluorocarbon-exposed sonicated dextrose albumin (PESDA) plus continuous imaging using power pulse inversion RTMCE for 180 min, associated with manually deflagrated high-mechanical index impulses. The control group consisted of 3 dogs submitted to continuous imaging using RTMCE without PESDA, 3 dogs...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Microbubbles; Ultrasound; Bioeffects; Myocardial contrast echocardiography.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2006000600017
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B-mode and Doppler ultrasonography of adrenal glands of healthy dogs Arq. Bras. Med. Vet. Zootec.
Fernandez,S.; Feliciano,M.A.R.; Crivellenti,S.B.; Crivellenti,L.Z.; Simões,A.P.R.; Maronezi,M.C.; Uscategui,R.R.; Capela,C.R.; Gilor,C.; Santana,A.E.; Vicente,W.R.R..
ABSTRACT The aim of this study was to determine the vascular indices of adrenal blood flow in healthy dogs (systolic velocity - SV; diastolic velocity - DV; resistance index - RI). Eighteen dogs (thirty six adrenal) were studied. Physical examination, biochemical profile and dexamethasone suppression test were performed to determine general health status. Echotexture, size, contours and margins, and overall shape of the adrenal gland (right and left) were assessed via ultrasound. By spectral Doppler of the phrenic-abdominal artery, the SV, DV, and RI were acquired. Animals did not show alterations in clinical and laboratory examination and suppression of cortisol. Normal homogeneous and echotexture, regular contours and margins and normal shape and size...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Canine; Adrenal glands; Ultrasound; Vascularization.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352016000400907
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Comparative studies of two dimensional and three dimensional ultrasonic nuchal translucency in trisomy assessments Anais da ABC (AABC)
Wee,Lai K.; Chai,Hum Y.; Samsury,Sharul R. Bin; Mujamil,Naizaithull F. Binti; Supriyanto,Eko.
Current two-dimensional (2D) ultrasonic marker measurements are inherent with intra- and inter-observer variability limitations. The objective of this paper is to investigate the performance of conventional 2D ultrasonic marker measurements and proposed programmable interactive three-dimensional (3D) marker evaluation. This is essentially important to analyze that the measurement on 3D volumetric measurement possesses higher impact and reproducibility vis-à-vis 2D measurement. Twenty three cases of prenatal ultrasound examination were obtained from collaborating hospital after Ethical Committee's approval. The measured 2D ultrasonic marker is Nuchal Translucency or commonly abbreviated as NT. Descriptive analysis of both 2D and 3D ultrasound measurement...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Three dimensional (3D); Ultrasound; Nuchal translucency (NT); Fold thickness; Trisomy; Down Syndrome.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652012000400030
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Comparative study of the effects of the Ga-As (904 nm, 150mW) laser and the pulsed ultrasound of 1 MHz in inflammation of tibialis muscle of Wistar rats BABT
Pinto,Marcus Vinícius de Mello; Costa,Daniel Almeida da; Rocha,Lamara Laguardia Valente; Santos,Hélio Ricardo dos; Silva,André Luis dos Santos; Barbosa,Luis Guilherme; Reis,João Batista Alves dos; Bernardo-Filho,Mario.
This paper aims to compare the therapeutic effect of the laser As-Ga of 904nm and pulsed Ultrasound of 1 MHz applied in striated skeletal muscle of inflamed rats. The animals received an intramuscular injection of bupivacaine hydrochloride in tibialis muscle in order to induce the inflammatory process, and after 24 hours, the time was considered 0 for the initiation of therapy, using a laser and ultrasound. Samples collected the muscles of the animals were stained with Hematoxylin-Eosin and histological sections of the groups used for the analysis of the muscle tissue in relation to reducing the inflammatory process, comparing the results of the two therapies used. In this study it is suggested that both treatment with laser as with ultrasound can act as...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Lasers; Ultrasound; Inflammation; Rats.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132008000700037
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Comparison of bone quantity by ultrasound measurements of phalanges between white and black children living in Paraná, Brazil, with Europeans BJMBR
Ribeiro,R.R.; Santos-Ribeiro,K.D.; Guerra-Junior,G.; Barros-Filho,A. de A..
The objective of this study was to determine bone quantity by ultrasound measurements of the proximal finger phalanges (AD-SoS = amplitude-dependent speed of sound) of healthy Brazilian schoolchildren living in Paraná, Brazil and to compare these values with European populations. The sample was composed of 1356 Brazilian schoolchildren of both genders (660 males, 696 females), aged 6 to 11 years, divided into white (840) and black (516) groups and compared to age- and gender-matched Europeans. AD-SoS of the schoolchildren increased significantly with age for both genders. Significantly higher AD-SoS values were observed for the white children (1916 ± 58) compared to their black counterparts (1898 ± 72) and for the female gender (1920 ± 61) compared to the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bone; Ultrasound; Phalanges; Schoolchildren; Skin color.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2010001000009
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Contribution of ultrasonography to the diagnosis of internal bleeding in snakebite envenomation J. Venom. Anim. Toxins incl. Trop. Dis.
Tchaou,Blaise Adelin; Tové,Kofi-Mensa Savi de; Tové,Yolande Sissinto-Savi de; Djomga,Aurélien Tchémaha C.; Aguemon,Abdou-Rahman; Massougbodji,Achille; Chippaux,Jean-Philippe.
Abstract Background In Africa, snakebite envenomations are frequently complicated by life-threatening hemorrhagic syndromes. The authors of the present study conducted a prospective analysis at the University Hospital of Parakou (north of Benin) for seven months (January 1 to July 31, 2014) to assess the contribution of ultrasonography to the diagnosis of internal bleedings and management of envenomation. Methods An ultrasound examination was performed in all patients with clinical envenomation regardless of its severity. The study involved 32 patients admitted to the ICU of the University Hospital of Parakou. Results The average age was 27 ± 13.9 years. The main signs of severity were: prolongation of clotting time (88 %), severe anemia (41 %),...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Envenomation; Ultrasound; Internal bleeding; Hemoperitoneum; Hematoma.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992016000100306
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Delay in gallbladder emptying during the perimenopausal period BJMBR
Petroianu,A.; Oliveira,L.C.; Vieira,M.I..
A pilot study has ascribed an important role in gallbladder motility and emptying to the perimenopausal period. To assess the effect of this period on gallbladder emptying and cholelithogenesis, 25 women in the perimenopausal period without gallbladder disease were submitted to cholangiography and two ultrasound exams. The time for gallbladder emptying and the presence of cholelithiasis were assessed. All patients presented a delay in gallbladder emptying with no relationship to the pre- or postmenopausal period. This finding was not related to lithogenesis. Gallbladder emptying time is longer during the perimenopausal period.
Tipo: Info:eu-repo/semantics/other Palavras-chave: Gallbladder emptying; Menopause; Cholelithiasis; Ultrasound; Cholangiography.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2000000900007
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Detector de prenhez por efeito Doppler para caprinos. Repositório Alice
ANDRIOLI, A.; BISCEGLI, C. I.; SOARES, A. T.; MOURA SOBRINHO, P. A..
O presente trabalho relata o desenvolvimento pela EMBRAPA de um equipamento de ultra-som portatil, facil de usar, seguro e preciso para a verificacao de prenhez em pequenos ruminantes. Foram realizados testes em cabras, nos dia 30, 40, 50 e 60 apos a cobricao. Os resultados mostraram que o equipamento apresenta uma eficacia de diagnostico de 95,8% aos 60 dias % quando comparado com o diagnostico realizado por ultra-som de imagem. [Doppler equipment for pregnancy detection in goat].
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Diagnóstico precoce; Pregnancy detector; Detector de prenhez; Caprino; Cabra; Prenhez; Ultra-som; Ultrasound; Pregnancy diagnosis; Goats.
Ano: 1997 URL: http://www.alice.cnptia.embrapa.br/handle/doc/514868
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Diagnóstico de prenhez em cabras e ovelhas. Repositório Alice
RIERA, G. S.; SIMPLÍCIO, A. A.; FOOTE, W. C..
Duzentas e tres cabras e 112 ovelhas, todas submetidas a estacao reprodutiva de 1/10/80 a 29/11/80, no municipio de Sobral, CE, foram utilizadas neste trabalho, visando o diagnostico de prenhez pelo metodo de ultra-som. Os resultados estao apresentados por especie e raca das matrizes e idade fetal, na qual o diagnostico foi executado. Nas cabras, o indice de certeza do diagnostico, em media, foi de 93,10% sendo 84,27 e 100% para as femeas diagnosticadas como prenhes e nao-prenhes, respeectivamente, aos 109,5 dias de gestacao. Nas ovelhas, o diagnostico crrto, em media, foi de 91,95%, sendo de 100 e 50,09% para ovelhas diagoosticadas como prenhes e nao-prenhes, respectivamente, a idade fetal e 92,20 dias. Na determinacao da gestacao em caprinos, houve mais...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Gestation; Reprodução animal; Caprino; Ovino; Prenhez; Ultra-som; Diagnóstico; Animal reproduction; Sheep; Pregnancy; Diagnostic techniques; Ultrasound.
Ano: 1982 URL: http://www.alice.cnptia.embrapa.br/handle/doc/514185
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Diagnóstico precoce de prenhez em caprinos através de ultra-sonografia transretal. Repositório Alice
SALLES, H. O.; SOARES, A. T.; AZEVEDO, H. C.; MOURA SOBRINHO, P. A.; VIANA, A. K. D. S..
Resumo: Objetivando determinar a data em que a prenhez poderia ser detectada mais precocemente, realizou-se ultrasonografias transretais em 44 cabras Saanen, utilizando-se transdutor linear de 7,5 MHz, a partir de 15 ate o 35 dia apos a cobertura, com observacoes a cada dois dias. A presenca de fluidos extraembrionarios nos cornos uterinos foi observada ja no 15 dia da cobertura, somente sendo possivel distinguir os batimentos cardiacos do embriao a partir dos 21 dias. A ultrasonografia transretal provou ser um metodo rapido e seguro para o diagnostico precoce da prenhez em caprinos quando realizada a partir do 27 dia apos a cobertura. [Early pregnancy diagnosis in goats for transrectal ultrasonography].
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Raça Saanen; Diagnóstico precoce; Caprino; Cabra; Prenhez; Ultra-som; Goats; Pregnancy diagnosis; Ultrasound.
Ano: 1997 URL: http://www.alice.cnptia.embrapa.br/handle/doc/514866
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Effect of breed and corpus luteum on pregnancy rate of bovine embryo recipients R. Bras. Zootec.
Nogueira,Ériklis; Cardoso,Gabriel Saravi; Marques Junior,Heitor Romero; Dias,Alexandre Menezes; Ítavo,Luís Carlos Vinhas; Borges,Juliana Corrêa.
The objective of this study was to evaluate pregnancy rates of recipients of different breed groups (Nellore and crossbreed), as well as the effects of size and type of the corpus luteum (CL) on plasmatic concentrations of progesterone and pregnancy rates of embryo recipients. A total of 152 heifers were synchronized with progesterone implants and on the day of embryo transfer, previously obtained by superovulation and frozen in ethylene glycol, the diameter and type of the corpus luteum (cavitary and compact) was measured and blood was collected for progesterone measurement. The pregnancy rate was 44.1%, with a diameter of corpus luteum higher in recipients that became pregnant (2.03±0.41) compared with non-pregnant ones (1.86±0.34 cm). Plasmatic...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cavitary corpus luteum; Nellore; Progesterone; Ultrasound.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000900022
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Effect of multimode ultrasound assisted extraction on the yield of crude polysaccharides from Lycium Barbarum (Goji) Ciênc. Tecnol. Aliment.
MUATASIM,Rahma; MA,Haile; YANG,Xue.
Abstract The goals of this exploration were to find out the optimum conditions of ultrasound assisted extraction (UAE) of L. Barbarum crude polysaccharides. Furthermore, to research the impacts of three multi-frequency ultrasound assisted extraction modes on the yield of L. Barbarum crude polysaccharides. The results showed that by applying the traditional single-frequency UAE mode, the optimum extraction time was 30 min, extraction temperature of 60 °C, and solid/liquid ratio of 20 g/600 mL, at a power density of 300 W/L, and ultrasound frequency of 28 kHz. Secondly; a comparison was carried out between three UAE modes using the optimum extraction conditions obtained previously. The energy aggregation counter flow dual-frequency UAE mode gave the highest...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Extraction; Lycium Barbarum; Crude polysaccharides; Ultrasound.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612018000500160
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Effect of raffinose and ultrasound pulses on invertase release by free and immobilized Saccharomyces cerevisiae in loofa (Luffa cylindrica) sponge BABT
Marques,Leila Larisa Medeiros; Buzato,João Batista; Celligoi,Maria Antonia Pedrine Colabone.
This study investigated the effect of raffinose and ultrasound pulses on invertase release from free S. cerevisiae and S. cerevisiae immobilized in Luffa cylindrica. The free cell culture was submitted to 2% raffinose pulse and irradiated for 2 minutes at 0.12 and 0.46 h-1 dilution rates. The immobilized cell culture was submitted to raffinose pulse and irradiated for 1, 2 and 4 minutes, at 0.10 h-1 dilution rate. In immobilized cells, the raffinose pulse increased the invertase activity from 5.38 to 7.27 U/mg. Ultrasound application in free cell culture at the 0.12 h-1 dilution rate gave the best results. The activity varied from 25.08 to 29.38 U/mg while the increase in immobilized cells was from 5.22 to 9.70 U/mg when sonicated for two minutes. These...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Immobilization; Invertase; Luffa cylindrica; Raffinose; Saccharomyces cerevisiae; Ultrasound.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132006000700003
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