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Nervous System Diseases

Immune System Diseases

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This study presents a comparison in terms of both environmental effect/energy efficiency of different designs of the process for sugarcane/sugar beet molasses-based bioethanol.In the present work, two scenarios were designed/compared, including the production of sugarcane-based (Scenario 1) and sugar beet molasses bioethanol (Scenario 2) in Khuzestan Province as an agricultural hub of Iran.Furthermore, an improved process, including a biogas production line from the residual vinasse from the distillation of molasses for bioethanol obtaining is presented, both from sugarcane (scenario 3) and sugar beet (scenario 4), and life cycle assessment (LCA) method was employed for determination of environmental impacts.The results, in terms of net energy value (NEV), i.e. the difference between the energy content of ethanol and the energy used in its production and distribution, were very similar as 11.03 MJ and 11.15 MJ, resp.Nevertheless, the results of the environmental impact anal. indicated that bioethanol production from sugarcane molasses had a higher impact compared to the sugar beet in terms of global warming potential, fossil, and metal depletion, particulate matter formation, human toxicity, and climate change ecosystems.Furthermore, the addition of the biogas production plant from the residual vinasse (scenarios 3 and 4) resulted in a considerable reduction of all studied environmental impacts (i.e., climate change, human toxicity, ozone depletion, photochem. oxidant formation, terrestrial acidification, freshwater ecotoxicity, marine ecotoxicity, ionizing radiation, fossil depletion, and global warming).As an example, by applying scenarios 3 and 4, the global warming potential for sugarcane and sugar beet was reduced by 61.2% and 83%, and the climate change decreased by 61% and 81% for bioethanol production from sugarcane and sugar beet, resp.

01 Aug 2025·Journal of Molecular Structure

Design, synthesis, structural characterization, and biological evaluation of dimeric mercury(II) complexes of phosphorus ylides with terminal azide ligands

Author: Nobakht, Valiollah ; Gable, Robert W. ; Samiee, Sepideh ; Rashedi, Habib ; Motamedi, Hossein

The present study investigates the reactivity of α-keto stabilized phosphorus ylide Ph₃P=C(H)C(O)Ph(p-NO₂) (Y) with mercury(II) halides in the presence of sodium azide.The resulting dimeric mercury(II) halide complexes were characterized by elemental anal., IR and NMR (³¹P, ¹H, ¹³C) spectroscopic methods.The structures of the complexes 0.878[(Y)Hg(N₃)(μ-Cl)]₂.0.122[(Y)Hg(Cl)(μ-Cl)]₂ (1), [Hg(μ-I)(I)(Y)]₂ (3) and [Hg(μ-Cl)(Cl)(Y)]₂ (4) were determined by single crystal X-ray anal.The results show that the ligand Y reacts with HgCl₂ and NaN₃ in methanol to form complex 1, in which the azide acts as the terminal monodentate ligand.The use of HgX₂ (X = Br (2) and I (3)) instead of HgCl₂ under similar conditions resulted in the formation of bromide and iodide mercury(II) complexes that did not incorporate azide anions, as well as the crystal structure of 3 revealed that this complex had been previously characterized.Furthermore, the antibacterial and antifungal activities of ligand Y, complexes 1 and 4 were evaluated using macro broth dilution method against Gram-pos. and Gram-neg. bacteria and two fungi.In this regard, the effect of azide co-ligand on the biol. properties of theses complexes was also analyzed.Complex 1 exhibited the strongest antibacterial activity, especially against Gram-neg. bacteria, displaying bactericidal effects.In comparison, complex 4 required higher concentrations to inhibit Gram-neg. bacteria than the complex 1.The ligand demonstrated no bactericidal activity and had a much higher MIC compared to the complexes.Both complexes inhibited fungal growth, while the ligand displayed no antifungal activity.

01 Aug 2025·Journal of Algebra and Its Applications

When is C(X) a p.p. local, a p.f. local or an r-local ring?

Author: Saeidi, A. ; Azarpanah, F. ; Mohamadian, R.

An element [Formula: see text] of a ring [Formula: see text] is called a p.p. (respectively, p.f.) element if the principal ideal [Formula: see text] is projective (respectively, flat) and a ring is called a p.p. (respectively, p.f.) ring if its every element is a p.p. (respectively, p.f.) element. As a natural generalization of these notions, a ring [Formula: see text] is called a p.p. (respectively, p.f.) local ring if for each [Formula: see text] either [Formula: see text] or [Formula: see text] is a p.p. (respectively, p.f.) element. We have shown that [Formula: see text] is a p.p. (respectively, p.f.) local ring if and only if at most one point of the space [Formula: see text] fails to be a basically disconnected point (respectively, [Formula: see text]-point) or equivalently, [Formula: see text] contains a maximal ideal [Formula: see text] such that each element of [Formula: see text], is a p.p. (respectively, p.f.) element. A ring with a unique regular maximal ideal is called an [Formula: see text]-local ring. To continue this approach, we introduce a space in which at most one point fails to be an almost [Formula: see text]-point, namely, essential almost [Formula: see text]-space, and we observe that non-almost [Formula: see text]-spaces which are essential almost [Formula: see text]-spaces are exactly the spaces which guarantee that [Formula: see text] to be an [Formula: see text]-local ring. Algebraic characterizations of these spaces are given and it is shown that [Formula: see text] is an essential almost [Formula: see text]-space if and only if every regular [Formula: see text]-ideal of [Formula: see text] is prime, if and only if the smallest [Formula: see text]-ideal containing each regular ideal of [Formula: see text] is a maximal ideal. Finally, we give a diagram summarizing the relations between the spaces we studied in the paper.

100 Deals associated with Shahid Chamran University of Ahvaz

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Pipeline

Pipeline Snapshot as of 08 Jun 2025

The statistics for drugs in the Pipeline is the current organization and its subsidiaries are counted as organizations,Early Phase 1 is incorporated into Phase 1, Phase 1/2 is incorporated into phase 2, and phase 2/3 is incorporated into phase 3

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