نتایج جستجو برای: d and asv
تعداد نتایج: 16904815 فیلتر نتایج به سال:
The Late (L) domain of the avian sarcoma virus (ASV) Gag protein binds Nedd4 ubiquitin ligase E3 family members and is the determinant of efficient virus release in avian and mammalian cells. We previously demonstrated that Nedd4 and Tsg101 constitutively interact raising the possibility that Nedd4 links ASV Gag to the ESCRT machinery. We now demonstrate that covalently linking Tsg101 to ASV Ga...
Avian sarcoma viruses (ASV) produced by Japanese quail embryo fibroblasts (QEF) were inactivated to the same degree as ASV produced by chick embryo fibroblasts (CEF), with or without complement, by rabbit antisera to CEF and to membrane antigens of chick embryo and adult chicken erythrocytes, in particular their unique age-specific antigens. ASV produced by duck embryo fibroblasts (DEF) were on...
During an Internet distributed denial-of-service (DDoS) attack, attackers pose as a superpower overloading bandwidth and services that otherwise would have been lightly used by genuine users. These legitimate users send few packets and occasionally back-off and fail while competing for resources. The Internet architecture provides only modest support for verifying the true origin of a packet or...
Automatic speaker verification (ASV) is the task of verifying a person’s claimed identity from his/her voice using a digital computer. The existing ASV systems perform with high accuracy of verification when the speech signal is collected close to the mouth of the speaker (< 1 ft). However, the performance of the ASV systems reduces significantly for speech signals collected at a distance from ...
Arsenic (As)-resistant bacteria are abundant in the rhizosphere and tissues of As-hyperaccumulator Pteris vittata. However, little is known about their roles in As transformation and As uptake in P. vittata. In this study, the impacts of P. vittata tissue extracts with or without surface sterilization on As transformation in solutions containing 100 μg L-1 AsIII or AsV were investigated. After ...
The risk of hepatocellular carcinoma (HCC) development is reduced following viral elimination by interferon therapy in chronic hepatitis C patients. However, the risk in patients treated with interferon-free direct-acting antivirals (DAAs) is unknown. We evaluated chronic hepatitis C patients who achieved viral eradication by pegylated-interferon plus ribavirin (PEG-IFN/RBV, n = 244) or daclata...
Environmental contamination of arsenic (As) and its accumulation in rice (Oryza sativa L.) is of serious human health concern. In planta speciation of As is an important tool to understand As metabolism in plants. In the present study, we investigated root to shoot As translocation and speciation in rice exposed to inorganic and methylated As. Arsenate (AsV) and methylarsonate (MAV) were effici...
OBJECTIVE To demonstrate that use of lower doses of anti-snake venom is as effective as high doses and is associated with less complications and lower mortality especially in the wake of rising cost of medical treatment, the people most affected by snakebites being the poor farmers. METHODOLOGY A prospective descriptive study consisting of 54 snakebite patients fulfilling the inclusion criter...
Due to within-speaker variability in phonetic content and/or speaking style, the performance of automatic speaker verification (ASV) systems degrades especially when the enrollment and test utterances are short. This study examines how different types of variability influence performance of ASV systems. Speech samples (< 2 sec) from the UCLA Speaker Variability Database containing 5 different r...
Nafion-coated bismuth film electrodes (NCBFEs) and Nafion-coated mercury film electrodes (NCMFEs) were used to electrochemically preconcentrate metal analytes for subsequent analysis by inductively coupled plasma-mass spectrometry (ICP-MS). Either type of electrodes is part of a thin-layer electrochemical flow cell that is positioned upstream of a microconcentric nebulizer for the ICP-MS. Perfo...
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