نتایج جستجو برای: removal of btx
تعداد نتایج: 21171773 فیلتر نتایج به سال:
background: we aimed to study the curative effects of botulinum a toxin (btx-a) on the treatment of post-herpetic neuralgia (pnh). methods: we enrolled 58 pnh patients and treated them with hypodermic injection of btx-a in xiangyang no.1 people’s hospital, hubei university of medicine, hubei, china. we measured and compared the visual analog score (vas), neuropathy pain scale (nps), quality of ...
Removal of benzene, toluene, and xylenes (BTX) from waste gases was studied in a 50-L laboratory-scale biofilter (25.2 cm I.D. and 100 cm H). A commercial blend of composted chicken manure and peat moss was used as the filter bed. The composted organic material was selected due to its relatively high microbial diversity and for its nutritive value (i.e. presence of N-sources and essential miner...
Hille (1977. Journal of General Physiology. 69:497-515) first proposed a modulated receptor hypothesis (MRH) to explain the action of benzocaine in voltage-gated Na+ channels. Using the MRH as a framework, we examined benzocaine binding in batrachotoxin (BTX)-modified Na+ channels under voltage-clamp conditions using either step or ramp command signals. We found that benzocaine binding is stron...
To probe the structure-function relationships of voltage-dependent sodium channels, we have been examining the mechanisms of channel modification by batrachotoxin (BTX), veratridine (VTD), and grayanotoxin-I (GTX), investigating the unifying mechanisms that underlie the diverse modifications of this class of neurotoxins. In this paper, highly purified sodium channel polypeptides from the electr...
This work addresses enhanced benzene, toluene and xylene (BTX) production by catalytic fast co-pyrolysis from agroindustrial biomass blended with PVC the use of prepared NaZSM-5 HZSM-5. Results pyrolysis indicates that oxygen-containing compounds decreased whereas aromatics increased. The effect mineral content altered intermediates increasing formation mono-aromatics while reducing poly-aromat...
Currently, the best treatment option for idiopathic cervical dystonia (ICD) is injection of botulinum toxin (BTX) into the affected muscles, whereas rehabilitative approaches have given disappointing results. We evaluated whether the association of an ad hoc rehabilitative program may improve the clinical efficacy of BTX treatment in a single-center, cross-over, controlled study. Forty patients...
PURPOSE The mechanism of Botulinum Toxin Type A (BTX-A) action at the neuromuscular junction is well known. But from the introduction of BTX-A, some authors have suggested a central action of BTX-A and possible side effects far from the site of injection. Some studies demonstrate an improvement of cortical SEPs associated with reduction of spasticity after BTX-A injection. The aim of the presen...
Poison-dart Phyllobates terribilis frogs sequester lethal amounts of steroidal alkaloid batrachotoxin (BTX) in their skin as a defense mechanism against predators. BTX targets voltage-gated Na+ channels and enables them to open persistently. How BTX autoresistance arises in such frogs remains a mystery. The BTX receptor has been delineated along the Na+ channel inner cavity, which is formed joi...
Two reports have shown a Japanese preparation of botulinum toxin type F (BTX-F) to be an effective alternative for patients with torticollis who develop clinical resistance to botulinum toxin type A (BTX-A). A group of patients with torticollis, comprising five secondary non-responders and one primary non-responder, were treated with a preparation of BTX-F produced in the UK (Speywood Pharmaceu...
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