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Today, more stringent regulations on SOx emissions and growing environmental concerns have led to considerable attention on sulfur recovery from hydrogen sulfide (H2S). Hydrogen sulfide is commonly found in raw natural gas and biogas, even if a great amount is obtained through sweetening of sour natural gas and hydrodesulphurization of light hydrocarbons. It is highly toxic, extremely corrosive and flammable, and for these reasons, its elimination is necessary prior to emission in atmosphere. There are different technologies for the removal of H2S, the drawbacks of which are the high costs and limited H2S conversion efficiency. The main focus of this Special Issue will be on catalytic oxidation processes, but the issue is devoted to the development of catalysts able to maximize H2S conversion to sulfur minimizing SO2 formation, pursuing the goal of “zero SO2 emission”.This Special Issue is particularly devoted to the preparation of novel powdered/structured supported catalysts and their physical–chemical characterization, the study of the aspects concerning stability and reusability, as well as the phenomena that could underlie the deactivation of the catalyst.This Special Issue comprises seven articles, one communication, and one review regarding the desulfurization of sour gases and fuel oil, as well as the synthesis of novel adsorbents and catalysts for H2S abatement. In the following, a brief description of the papers included in this issue is provided to serve as an outline to encourage further reading.

Research & information: general --- Environmental economics --- Pollution control --- hydrogen sulfide --- biocoal --- livestock manure --- agricultural safety --- fertilizer --- waste management --- air pollution --- odor --- kinetics --- Gompertz model --- phosphine --- manganese slag --- metal ions --- reaction mechanism --- mesoporous N-doped carbon coating --- silicon carbide composites --- gas-tail desulfurization treatment --- BTX contaminants --- elemental sulfur --- chicken eggshell --- waste valorization --- adsorption --- biogas --- flue gas --- polyoxometalate --- dicationic ionic liquids --- extraction --- oxidative desulfurization --- dibenzothiophene --- adsorbent --- purification --- H2S removal --- response surface methodology (RSM) --- H2S selective partial oxidation --- sulfur --- sulfur dioxide --- vanadium-based catalysts --- hydrochar --- mixed metal oxides --- H2S conversion --- gas purification --- direct catalytic oxidation --- fluidized catalyst bed --- hydrogen sulfide removal facilities

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This book collects 25 scientific articles from laboratories around the world, all of which use botulinum neurotoxins as the main protagonists of their studies. The use of botulinum neurotoxin in medicine, following its ability to inhibit the effects of various disorders of different etiology on the human organism, constitutes the main topic of each article presented here. This book, which is aimed at both students and medical professionals, attempts to summarize current knowledge about the use of botulinum toxin as a therapeutic agent in many diseases, ranging from spasticity to tremor, form motor dysfunction after stroke to neuropathic pain, from hyperactive muscle to migraine, and so on. Thanks to its simplified writing, accessible to an audience who may not be familiar with the mysteries of science, readers will get new insights into this biological toxin and its multiple applications, not simply relegated to its historical use to correct of face wrinkles. Both review and research articles are presented, not only concerning animal studies, but also clinical reports. This book will provide an up-to-date picture of the state-of-the-art of the possible development of novel applications of botulinum neurotoxins for future therapeutic purposes.

botulinum toxin --- limb tremors --- muscle selection --- biological effect --- various cell types --- neurotransmitter --- dermatology --- novel indication --- botulinum neurotoxin --- masticatory system --- maxillofacial bone --- dental occlusion --- orthognathic surgery --- sialorrhoea --- drooling --- salivary glands --- swallowing --- eccrine glands --- onabotulinumtoxin A --- incobotulinumtoxin A --- botulinum neurotoxins --- botulinum neurotoxin serotype A --- heavy chain --- botulinum neurotoxin serotype a heavy chain (BoNT/A HC) --- spinal cord injury (SCI) --- nerve regeneration --- growth associated protein 43 (GAP-43) --- superior cervical ganglion 10 (SCG10) --- neuronal processes --- neural regeneration --- Schwann cells --- glia --- spinal cord --- immunohistochemistry --- allodynia --- weight bearing --- sciatic static index --- walking track analysis --- itch --- SNARE --- VAMP --- mast cells --- compound 48/80 --- chloroquine --- spasticity --- botulinum toxin type A --- appropriate treatment --- Therapeutic Index --- pruritus --- antipruritic --- clinical --- experimental --- BoNT/A --- astroglia --- interleukins --- microglia --- TLR2 --- TLR4 --- Snap-23 --- pain --- cerebral palsy --- botulinum toxin A --- complex regional pain syndrome --- lumbar sympathetic ganglion block --- chronic pelvic pain --- overactive detrusor --- vaginism --- temporomandibular joint dislocation --- lateral pterygoid muscle --- botulinum toxin therapy --- synaptic transmission --- SNAP-25 --- epilepsy --- Parkinson’s disease --- neurotransmission blockade --- electrical activity --- prion disease --- new indications --- formulation --- delivery --- refractory chronic migraine --- tension headache --- medication overuse headache --- prophylactic treatment --- XEOMIN® --- BTX --- central neuropathic pain --- spinal cord injury --- post-stroke shoulder pain --- mouse test --- Clostridium tetani --- botulinum antitoxin --- food safety --- abobotulinumtoxinA --- upper limb spasticity --- post-stroke --- early use --- ONTIME --- clinical trial --- human --- urodynamics --- botulinum neurotoxin-A --- basal ganglia --- interspecies differences in motor behavior --- mouse --- rat --- interneurons --- hand tremor --- treatment --- electromyography --- kinematics --- essential tremor --- dystonic tremor --- tremor --- movement disorders --- Botulinum toxin --- upper limb biomechanics --- joint biomechanics --- diagnostic guidance --- clinical decision support --- spastic paresis --- electrical stimulation --- stroke management --- rehabilitation --- hand --- n/a --- Parkinson's disease