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Solid-liquid extraction for yttrium recovery using porous polymeric resin(XAd-7) functionalized with d_(2)EhPA

Journal of Rare Earths 2024年第9期42卷 1764-1773,I0005页

作者： P.A.martínez-montoya R.G.Sanchez-Alvarado d.Y.medina-Velazquez m.L.Carrera-Jota P.Garnica-Chávez A.de J.morales-Ramirez higher School of Chemical Engineering and Extractive Industries ESIQIEIPNDepartment of Metallurgical EngineeringUPALM S/NCol.LindavistaGustavo A.Madero Cd.de MéxicoC.P07738Mexico metropolitan Autonomous University Department of MaterialsBasic Sciences and EngineeringAv.San Pablo No.180Col.Reynosa TamaulipasCd.de MéxicoC.P02200Mexico Center for Research and Technological Innovation CIITECIPNCda.de CECATIs/nSanta CatarinaAzcapotzalcoC.P02250CDMXMexico

The recovery of yttrium is proposed by applying a solid-liquid extraction process using di-2-ethyl hexylphosphoric acid(d2EhPA) as extracting *** extracting agents were supported on a macro porous polymeric resin XAd-7(solid phase).Yttrium ions extraction and discharge tests were performed,firstly from a synthetic aqueous solution of 100 mg/L Y(liquid phase) at 25℃ with *** effects of ph of aqueous solutions bearing yttrium,volume fraction of extracting agents and the solid/liquid(S/L)ratio on the yttrium recovery were *** most favorable conditions for yttrium ions extraction are;20 vol% d_(2)EhPA functionalized resin,ph=1.5 and an S/L ratio of 10 mg/mL The discharge of yttrium ions was done under the same conditions of extraction stage,using a 2 mol/L [h_(2)SO_(4)] as stripping *** to 80% yttrium is extracted,while 75% yttrium is recovered in the striping *** all experiments,the reaction equilibrium is reached after 20 min,and the kinetics for the extraction stage was determined as a second-order ***,experiments were carried out to discharge the yttriumloaded resins,and it has been determined that the best ph value to strip the Y ions is *** tests of extraction and discharge for yttrium ions show that the functionalized resin can work at least five cycles without decreasing its ***,the proposed process was tested in a real solution with Y ions fro m a waste fluorescent la mp powder leached in h_(2)SO_(4),demonstrating the ability to effectively recover yttrium,separating it from various metals from the studied residue.

关键词： Yttrium recovery Rare earth solid-liquid extraction XAd-7 resin Fluorescent lamps recycling Solid-liquid kinetics extraction

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Quaternionic monge–Ampère measure on Pluripolar Set

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Acta mathematica Sinica,English Series 2024年第6期40卷 1431-1457页

作者： hichame AmAL Saïd ASSERdA Fadoua BOUKhARI department of mathematics Laboratory LaREAMIRegional Centre of Trades of Education and TrainingKenitraMorocco Ibn Tofail University Faculty of SciencesDepartment of MathematicsPO 242 KenitraMorroco

In this paper, we prove that in a hyperconvex domain Ω in h^(n), if a non-negative Borel measure is dominated by a quaternionic monge–Ampère measure, then it is a quaternionic monge–Ampère measure of a function i... 详细信息

关键词： Quaternion space monge-Amp`ere operator plurisubharmonic function

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Vitamin d and hypertension:Is there any significant relation?

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Chronic diseases and Translational medicine 2024年第2期10卷 156-158页

作者： Naga P.Vakkalagadda Sri h.Narayana Gummadi S.Sree Lakshmi d.Bethineedi L.V.Simhachalam Kutikuppala Gnana d.medarametla department of General medicine Guntur Medical CollegeGunturAndra PradeshIndia department of General medicine Narayana Medical College and HospitalNelloreAndhra PradeshIndia department of General medicine Andhra Medical CollegeVisakhapatnamAndhra PradeshIndia department of General Surgery Dr NTR University of Health SciencesVijayawadaAndhra PradeshIndia department of General medicine Amma Multi-Speciality HospitalThorrurTelanganaIndia

dear Editor,Around a billion individuals worldwide have *** these,95%have essential hypertension,a type of undiagnosed hypertension.1 The regulation of blood pressure(BP)involves numerous signaling *** them,the Renin Angiotensin System is well *** these pathways are regulated by modulation of renal salt handling and tone of vascular smooth muscle(VSm)*** of these mechanisms can become faulty and alter the resistance arteries’VSm tone,which can elevate ***,since the exact origin of Ph and its pathophysiology are unknown,less effective,and generic treatments are used.2 The fact that more than 50%of hypertension patients in the USA do not have their BP under good control serves as an illustration of *** treatment resistance affects an additional 5 million people and is defined as the inability to regulate BP despite the use of at least three antihypertensive drugs in combination.

关键词： hypertension drugs treatment

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deformable microlaser force sensing

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Light(Science & Applications) 2024年第6期13卷 1196-1209页

作者： Eleni dalaka Joseph Shill Jonathan h.h.Booth Anna Popczyk Stefan R.Pulver malte C.Gather marcel Schubert Centre of Biophotonics SUPASchool of Physics and AstronomyUniversity of St AndrewsNorth HaughSt AndrewsUK humboldt Centre for Nano-and Biophotonics Department of ChemistryUniversity of CologneKölnGermany School of Psychology and Neuroscience University of St AndrewsSt Mary’s QuadSouth StreetSt AndrewsUK Institute for Bioengineering of Catalonia BarcelonaSpain

mechanical forces are key regulators of cellular behavior and function,affecting many fundamental biological processes such as cell migration,embryogenesis,immunological responses,and pathological *** force sensors and imaging techniques have been developed to quantify these otherwise invisible forces in single cells and in ***,current techniques rely heavily on high-resolution microscopy and do not allow interrogation of optically dense tissue,reducing their application to 2d cell cultures and highly transparent biological ***,we introduce dEFORm,deformable microlaser force sensing,a spectroscopic technique that detects sub-nanonewton forces with unprecedented spatio-temporal *** is based on the spectral analysis of laser emission from dye-doped oil microdroplets and uses the force-induced lifting of laser mode degeneracy in these droplets to detect nanometer *** validation by atomic force microscopy and development of a model that links changes in laser spectrum to applied force,dEFORm is used to measure forces in 3d and at depths of hundreds of microns within tumor spheroids and late-stage drosophila *** furthermore show continuous force sensing with single-cell spatial and millisecond temporal resolution,thus paving the way for non-invasive studies of biomechanical forces in advanced stages of embryogenesis,tissue remodeling,and tumor invasion.

关键词： invasion otherwise hundreds

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ALS-linked C9orf72 dipeptide repeats inhibit starvation-induced autophagy through modulating BCL2–BECN1 interaction

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Acta Pharmaceutica Sinica B 2024年第5期14卷 2026-2038页

作者： Shiqiang Xu Qilian ma Junwen Shen Ningning Li Shan Sun Nana Wang Yang Chen Chunsheng dong Kin Yip Tam Jochen h.m.Prehn hongfeng Wang Zheng Ying Jiangsu Key Laboratory of Neuropsychiatric diseases and College of Pharmaceutical Sciences Soochow UniversitySuzhou 215123China mOE Key Laboratory of Geriatric diseases and Immunology College of Pharmaceutical SciencesSuzhou Medical College of Soochow UniversitySuzhou 215123China Jiangsu Province Engineering Research Center of Precision diagnostics and Therapeutics development Soochow UniversitySuzhou 215123China dept.of Physiology&medical Physics and FUTURE-NEURO Research Centre Royal College of Surgeons in IrelandDublin D02 YN77Ireland Faculty of health Sciences University of MacaoTaipaMacao 999078China Insititutes of Biology and medical Science Soochow UniversitySuzhou 215123China

Growing evidences indicate that dysfunction of autophagy contributes to the disease pathogenesis of amyotrophic lateral sclerosis(ALS)and frontotemporal dementia(FTd),two neurodegenerative *** GGGGCC·GGCCCC repeat RNA expansion in chromosome 9 open reading frame 72(C9orf72)is the most genetic cause of both ALS and *** to the previous studies,GGGGCC·GGCCCC repeat undergoes the unconventional repeat-associated non-ATG translation,which produces dipeptide repeat(dPR)*** there is a growing understanding that C9orf72 dPRs have a strong ability to harm neurons and induce C9orf72-linked ALS/FTd,whether these dPRs can affect autophagy remains *** the present study,we find that poly-GR and poly-PR,two arginine-containing dPRs which display the most cytotoxic properties according to the previous studies,strongly inhibit starvation-induced ***,our data indicate that arginine-rich dPRs enhance the interaction between BCL2 and BECN1/Beclin 1 by inhibiting BCL2 phosphorylation,therefore they can impair autophagic clearance of neurodegenerative disease-associated protein aggregates under starvation condition in ***,our study not only highlights the role of C9orf72 dPR in autophagy dysfunction,but also provides novel insight that pharmacological intervention of autophagy using SW063058,a small molecule compound that can disrupt the interaction between BECN1 and BCL2,may reduce C9orf72 dPR-induced neurotoxicity.

关键词： Amyotrophic lateral sclerosis Frontotemporal dementia C9orf72 Autophagy BCL2 BECN1/Beclin 1 dipeptide repeat Neurodegeneration

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Evaluating mechanism of banana pseudo-stem retting using seawater:A cost-effective surface pre-treatment approach

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Journal of Bioresources and Bioproducts 2024年第3期9卷 322-335页

作者： Prince hotor ahm.d h.hassanin Osbert Akatwijuka mohamed A.h.Gepreel mitsuo Yamamoto Yukie Saito ahm.d Abdel-mawgood Egypt-Japan University of Science and Technology Biotechnology ProgramAlexandria GovernorateNew Borg Al Arab 21934Egypt Alexandria University Department of Textile EngineeringAlexandria GovernorateBab Sharqi 5424041Egypt Egypt-Japan University of Science and Technology Material Science and EngineeringAlexandria GovernorateNew Borg Al Arab 21934Egypt Graduate School of Agricultural and Life Sciences The University of TokyoBunkyo-KuTokyo 113-8657Japan

Retting has been employed to extract natural fibers from agricultural wastes as a biological and cost-effective approach for *** its global abundance,banana pseudo-stem is a promising agro-waste for lignocellulosic fiber *** this study,fibers were extracted from the pseudo-stems after being pre-treated under four conditions using seawater at room temperature for up to 35 d Bacterial isolation from the fresh seawater sample and screening for ligninolytic ability were *** load as well as laccase and manganese peroxidase enzyme activity profile assay during the retting duration were *** transform infrared(FT-IR)and X-day diffraction(XRd)analyses were also examined for both pre-treated and untreated extracted *** results shows that six out of the eight bacterial isolates had the ability to degrade *** treatments(Raw stem+Raw seawater)and(Autoclaved stem+Raw seawater)recorded the highest viable bacterial load of 9.24×102 and 4.46×102 CFU,respectively,on the 14th day of the retting ***,the highest laccase and manganese peroxidase enzymes activity was recorded for(Raw stem+Raw seawater)and(Autoclaved stem+Raw seawater)treatments in the second to the third *** FT-IR spectra of the pre-treated fibers revealed relative reductions in peaks attributed to polysaccharides and other amorphous substances for all retting *** XRd diffractogram revealed that the crystallinity index(CI)of pre-treated fibers increased in all seawater retting treatment ***,the CI for fibers pre-treated under enzymatic conditions were enhanced even after five *** analysis for selected bacterial isolates showed homology to sequences of Bacillus velezensis,Shewanella sp.L8–5,and Citrobacter amalonaticus and Bacillus subtilis j8 *** these findings,it was suggested that physical,biological,and chemical actions were collectively involved in the seawater retting process of banana ps

关键词： Seawater retting Banana pseudo-stem Natural fiber Enzyme activity Colony forming unit

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Abalone shell-derived mg-doped mesoporous hydroxyapatite microsphere drug delivery system loaded with icariin for inducing apoptosis of osteosarcoma cells

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Biomaterials Translational 2024年第2期5卷 185-196页

作者： Liu K. Cheng m. huang h. Yu h. Zhao S. Zhou J. Tie d. Wang J. Pan P. Chen J. marine College Shandong University Shandong Province Weihai China State Key Laboratory of mineral Processing Beijing China College of Biological Science and Technology Fuzhou University Fujian Province Fuzhou China

hydroxyapatite (hAP) porous microspheres with very high specific surface area and drug loading capacity, as well as excellent biocompatibility, have been widely used in tumour therapy. mg2+ is considered to be a key factor in bone regeneration, acting as an active agent to stimulate bone and cartilage formation, and is effective in accelerating cell migration and promoting angiogenesis, which is essential for bone tissue repair, anti-cancer, and anti-infection. In this study, abalone shells from a variety of sources were used as raw materials, and mg2+-doped abalone shell-derived mesoporous hAP microspheres (mg-hAP) were prepared by hydrothermal synthesis as mg2+/icariin smart dual delivery system (ICA-mg-hAP, ImhA). With increasing of mg2+ doping, the surface morphology of hAP microspheres varied from collapsed macroporous to mesoporous to smooth and non-porous, which may be due to mg2+ substitution or coordination in the hAP lattice. At 30% mg2+ doping, the mg-hAP microspheres showed a more homogeneous mesoporous morphology with a high specific surface area (186.06 m2/g). The ImhA microspheres showed high drug loading (7.69%) and encapsulation rate (83.29%), sustained mg2+ release for more than 27 days, sustained and stable release of icariin for 60 hours, and good responsiveness to ph (ph 6.4 > ph 5.6). In addition, the ImhA delivery system stimulated the rapid proliferation of bone marrow mesenchymal stem cells and induced apoptosis in mG63 cells by blocking the G2 phase cycle of osteosarcoma cells and stimulating the high expression of apoptotic genes (Bcl-2, caspase-3,-8,-9). This suggests that the abalone shell-based ImhA may have potential applications in drug delivery and tumour therapy. © 2024, Chinese medical multimedia Press Co Ltd. All rights reserved.

关键词： abalone shell drug delivery hydroxyapatite microspheres magnesium doping osteosarcoma

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Black Garlic as an Antiviral for herpes Simplex Virus-2 in Lung Cells

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Advances in Bioscience and Biotechnology 2024年第1期15卷 70-89页

作者： Jenna R. horowitz Lee h. Lee Sandra d. Adams department of Biology Montclair State University Montclair NJ USA

Allicin, an antioxidant, is known for providing garlic with its unique fragrance and taste, as well as for its antimicrobial properties. Black garlic, a fermented form of garlic, contains higher levels of antioxidants than fresh garlic. Antioxidants play a vital role in alleviating cellular stress during viral infections. Viral infections result in oxidative stress through the production of reactive oxidative species (ROS). A prolonged state of oxidative stress can result in cell death, dNA damage, and disease progression. In this study, black garlic extract (BGE) is evaluated for its ability to mitigate cytopathic effects and oxidative stress caused by herpes simplex virus-2 (hSV-2) infections in vitro. Antiviral assays were performed to determine the percent of viral inhibition resulting from treatment with the BGE. ROS-GloTm h2O2 assays were then completed to measure the post-infection ROS levels of BGE-treated virus and cells. The results thus far suggest that BGE may inhibit viral infection and decrease levels of oxidative stress.

关键词： Black Garlic herpes Simplex Virus-2 Antioxidant Antiviral Allicin

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morphology-Tailored dynamic State Transition in Active-Passive Colloidal Assemblies

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Research 2024年第3期2024卷 751-760页

作者： Nan Yu Zameer h.Shah mingcheng Yang Yongxiang Gao Institute for Advanced Study Shenzhen University518060ShenzhenChina Key Laboratory of Optoelectronic device and Systems of ministry of Education and Guangdong Province College of Optoelectronic EngineeringShenzhen University518060ShenzhenChina Beijing National Laboratory for Condensed matter Physics and Laboratory of Soft matter Physics Institute of PhysicsChinese Academy of SciencesBeijing 100190China School of Physical Sciences University of Chinese Academy of SciencesBeijing 100049China Songshan Lake materials Laboratory DongguanGuangdong 523808China.

mixtures of active self-propelled and passive colloidal particles promise rich assembly and dynamic states that are beyond reach via equilibrium ***,controllable transition between different dynamic states remains ***,we reveal a plethora of dynamic behaviors emerging in assemblies of chemically propelled snowman-like active colloids and passive spherical particles as the particle shape,size,and composition are *** example,assembles of one or more active colloids with one passive particle exhibit distinct translating or orbiting states while those composed of one active colloid with 2 passive particles display persistent“8”-like cyclic motion or hopping between circling states around one passive particle in the plane and around the waist of 2 passive ones out of the plane,controlled by the shape of the active colloid and the size of the passive particles,*** morphology-tailored dynamic transitions are in excellent agreement with state diagrams predicted by mesoscale dynamics *** work discloses new dynamic states and corresponding transition strategies,which promise new applications of active systems such as micromachines with functions that are otherwise impossible.

关键词： Transition otherwise transitions

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Regulating microstructure and composition by carbonizing in-situ grown metal-organic frameworks on cotton fabrics for boosting electromagnetic wave absorption

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Nano Research 2024年第8期17卷 7290-7300页

作者： Jie Jin hongsen Long hu Liu Yan Guo Tiantian Bai Ben Bin Xu mohammed A.Amin hua Qiu mohamed h.helal Chuntai Liu Changyu Shen Zeinhom m.El-Bahy Zhanhu Guo State Key Laboratory of Structural Analysis Optimization and CAE Software for Industrial EquipmentNational Engineering Research Center for Advanced Polymer Processing TechnologyZhengzhou UniversityZhengzhou 450002China China State Key Laboratory of Powder metallurgy Central South UniversityChangsha 410000China School of Electronic Engineering North China University of Water Resources and Electric PowerZhengzhou 450046China Complex Conditions of high-end Tire Technology Innovation Center Shuguang Rubber Industry Research&Design Institute Co.LtdGuilin 541004China Integrated Composites Lab Department of Mechanical and Civil EngineeringNorthumbria UniversityNewcastle Upon TyneNE18STUK department of Chemistry College of ScienceTaif UniversityP.O.Box 11099Taif 21944Saudi Arabia Shaanxi Key Laboratory of macromolecular Science and Technology School of Chemistry and Chemical EngineeringNorthwestern Polytechnical UniversityXi’an 710072China department of Chemistry Faculty of Arts and ScienceNorthern Border UniversityRafha 73213Saudi Arabia department of Chemistry Faculty of ScienceAl-Azhar UniversityNasr City 11884CairoEgypt

high-temperature carbonized metal-organic frameworks(mOFs)derivatives have demonstrated their superiority for promising electromagnetic wave(EmW)absorbers,but they still suffer from limited EmW absorption capacity and narrow *** the advantage of microstructure and chemical composition regulation for the design of EmW absorber,hierarchical heterostructured moS_(2)/CoS_(2)-Co_(3)O_(4)@cabonized cotton fabric(CF)(mCC@CCF)is prepared by growing ZIF-67 mOFs onto CF surface,chemical etching,and *** from the dual loss mechanism of magnetic-dielectric multicomponent carbonized mOFs,chemical etching and carbonization process can effectively introduce abundant micro-gap structure that can result in better impedance matching and stronger absorption capacity via internal reflection,doped heteroatoms(mo,N,S)to supply additional dipolar polarization loss,and numerous heterointerfaces among moS_(2),CoS_(2),Co_(3)O_(4),and CCF that produce promoted conduction loss and interfacial polarization ***,a minimal reflection loss of−52.87 dB and a broadest effective absorption bandwidth of 6.88 Ghz were achieved via tunning the sample thickness and filler loading,showing excellent EmW absorption *** research is of great value for guiding the research on mOFs derivatives based EmW absorbing materials.

关键词： metal-organic frameworks hierarchical structure chemical etching sulfurization electromagnetic wave absorption

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