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引用次数: 0
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引用次数: 0
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引用次数: 0
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引用次数: 0
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引用次数: 0
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引用次数: 0
Green-Synthesized selenium nanoparticles from Saraca asoca leaves: A multifunctional evaluation of antioxidant, anticoagulant, antigout and thrombolytic activities 绿色合成的纳米硒纳米颗粒从水芹叶:抗氧化,抗凝血,抗痛风和溶栓活性的多功能评价
Pub Date : 2025-12-28 DOI: 10.1016/j.jtemin.2025.100277
Suhana Malik , Prachi Tiwari , Anuradha Singhaniya , Chandrababu Rejeeth

Background

This study presents the green synthesis and comprehensive biological evaluation of selenium nanoparticles (Se-NPs) derived from Saraca asoca leaf extract.

Methods

The biosynthesized Se-NPs were characterized using UV – Visible spectroscopy, Fourier - transfer infrared spectroscopy (FTIR), X-ray diffraction (XRD), and scanning electron microscopy (SEM), confirming their nanoscale morphology and phytochemical capping. The antioxidant potential of Se-NPs was assessed via DPPH and ABTS radical scavenging assays.

Results

demonstrating significant activity with 73 ± 3.65% and 90 ± 4.5% inhibition, respectively, at 100 µg/mL. Antigout efficacy was evaluated through uric acid degradation and xanthine oxidase inhibition (XOI), revealing dose- dependent activity with 62 ± 1.86% UA degradation at 19 mg/mL and 76% XOI at 200 µg/mL. Furthermore, Se-NPs exhibited notable anticoagulant and thrombolytic effects in mammalian blood, indicating their potential to modulates haemostatic pathways.

Conclusion

Collectively, these findings underscore the multifunctional therapeutic properties of Saraca asoca -mediated Se-NPs, positioning them as promising candidates for future biomedical application targeting oxidant stress, hyperuricemia, thrombotic disorders.
本研究研究了从刺果叶提取物中提取的硒纳米粒子的绿色合成及其生物学综合评价。方法采用紫外可见光谱、傅里叶转移红外光谱(FTIR)、x射线衍射(XRD)和扫描电镜(SEM)对合成的Se-NPs进行了表征,确定了Se-NPs的纳米形貌和植物化学封盖。通过DPPH和ABTS自由基清除实验评估Se-NPs的抗氧化能力。结果表明,在100µg/mL浓度下,其抑制率分别为73±3.65%和90±4.5%。通过尿酸降解和黄嘌呤氧化酶抑制(xxi)来评估抗痛风效果,显示剂量依赖性活性,19 mg/mL时UA降解62±1.86%,200µg/mL时xxi降解76%。此外,Se-NPs在哺乳动物血液中表现出显著的抗凝血和溶栓作用,表明它们可能调节止血途径。综上所述,这些发现强调了刺荆介导的Se-NPs的多功能治疗特性,将其定位为未来生物医学应用于氧化应激、高尿酸血症、血栓性疾病的有希望的候选者。
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引用次数: 0
Enhancing soil fertility, nutrient recovery and carbon sequestration: the role of biochar, composted biochar, and biochar-compost mixtures in sustainable agriculture 提高土壤肥力、养分恢复和碳固存:生物炭、堆肥生物炭和生物炭-堆肥混合物在可持续农业中的作用
Pub Date : 2025-12-28 DOI: 10.1016/j.jtemin.2025.100276
Misbah Rani , Zainul Abideen , Neelma Munir , Maria Hasnain , Mohammad Mehdizadeh , Muhammed Qasim , Emanuele Radicetti

Background

Soil degradation, caused by salinity, nutrient depletion, and trace metal pollutants, is a major problem for agricultural productivity. Organic amendments, such as biochar, have shown potential to improve soil health, water retention, and nutrient availability. However, biochar-based blended amendments, such as biochar compost mixture and composted biochar, may offer greater benefits even under harsh soil environments.

Objectives

This systematic review evaluates the limitations and advantages of biochar, compost, and biochar-compost mixtures in restoring degraded and polluted soils. The review assesses their roles in improving soil fertility, nutrient availability, microbial activity, and key physiochemical properties relevant to sustainable agriculture.

Methods

Following PRISMA guidelines, we systematically searched major scientific databases and screened studies based on predefined inclusion and exclusion criteria. Eligible studies included laboratory, greenhouse, and field experiments assessing soil restoration outcomes using biochar-based amendments.

Key findings

Biochar applications enhanced biomass production, CO2 capture, soil quality, and immobilization of inorganic ions and organic waste material due to promising properties like advanced cation exchange capacity, high permeability, and large surface area. Biochar-compost further improved nutrient availability, biomass uptake, water retention, carbon sequestration, and plant physiological responses under stress. Composted biochar offered more sustained and long-lasting improvements in soil quality and plant productivity under salinity stress, thus solving multiple biochar-associated challenges, although further long-term field evidence is still needed.

Broader implications

Overall, biochar and biochar-compost represent promising tools for soil restoration, pollutant remediation, and crop productivity. Although their benefits are widely reported, variability in outcomes and gaps in long-term evidence underscore the importance of optimizing application strategies for different soil systems.
土壤退化是影响农业生产力的一个主要问题,它是由盐碱化、养分枯竭和微量金属污染物引起的。有机改良剂,如生物炭,已显示出改善土壤健康、保水和养分有效性的潜力。然而,以生物炭为基础的混合改良剂,如生物炭堆肥混合物和堆肥生物炭,即使在恶劣的土壤环境下也可能提供更大的好处。目的系统评价生物炭、堆肥和生物炭-堆肥混合物在恢复退化和污染土壤方面的局限性和优势。本文评估了它们在改善土壤肥力、养分有效性、微生物活性和与可持续农业相关的关键理化性质方面的作用。方法遵循PRISMA指南,系统检索主要科学数据库,并根据预先确定的纳入和排除标准筛选研究。符合条件的研究包括实验室、温室和现场试验,评估使用生物炭基改进剂的土壤恢复结果。主要发现:生物炭的应用提高了生物质产量、二氧化碳捕获、土壤质量,以及无机离子和有机废物的固定化,因为它具有先进的阳离子交换能力、高渗透性和大表面积等特性。生物炭堆肥进一步改善了养分有效性、生物量吸收、水分保持、碳固存以及植物在胁迫下的生理反应。在盐碱胁迫下,堆肥生物炭能更持久、更持久地改善土壤质量和植物生产力,从而解决与生物炭相关的多重挑战,尽管还需要进一步的长期现场证据。总体而言,生物炭和生物炭堆肥代表了土壤恢复、污染物修复和作物生产力的有前途的工具。尽管它们的益处被广泛报道,但结果的可变性和长期证据的差距强调了优化不同土壤系统的应用策略的重要性。
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引用次数: 0
Effect of iron supplementation on exercise performance of women with non-anemic iron deficiency or iron deficiency anemia - a systematic review and meta-analysis 补铁对非贫血性缺铁或缺铁性贫血女性运动表现的影响——一项系统回顾和荟萃分析
Pub Date : 2025-12-25 DOI: 10.1016/j.jtemin.2025.100275
Fernanda Patti Nakamoto, Kauana Multini de Almeida, Larissa Canton Gonçalves, Marcus V.L. dos Santos Quaresma

Aim and background

Female athletes have been considered a risk group for non-anemic iron deficiency (NAID) and iron deficiency anemia (IDA) given iron loss situations (i.e., excessive blood lost during a menstrual cycle, eccentric muscle contraction, and sweating). Iron supplementation should be a strategy to increase both iron levels and physical exercise performance. To verify the effect of iron supplementation on the exercise performance of women with NAID or IDA, a systematic review and meta-analysis was conducted (CRD42021245452).

Materials and methods

Inclusion criteria comprised randomized or non-randomized clinical trials with a control group that determined the effect of iron supplementation associated with endurance exercise on women’s exercise performance. A search of the MEDLINE/PubMed, LILACS, SciELO, and Scopus databases was performed in February 2025 including all articles.

Results

A total of 2122 studies were initially identified. Following exclusions, 15 studies with a total of 380 participants were included. Iron supplementation did not improve exercise performance assessed during time-to-exhaustion (TTE; MD: 0.76 min; 95% CI: -0.13; 1.65; p = 0.067) or time trial (TT; MD: -1.78 min; 95% CI: -3.88; 0.333 min; p = 0.059) protocols. Still, by combining TTE and TT studies in the same analysis, we observed a non-significant effect on exercise performance (SMD: 0.97; 95% CI: -0.49 to 2.44; p = 0.139). Moreover, although iron supplementation led to consistent improvements in hemoglobin and serum ferritin levels, its effects on cardiorespiratory fitness and exercise performance were mixed. We observed a moderate and statistically significant improvement in V̇O₂max or V̇O₂peak (SMD: 0.70; 95% CI: 0.08 to 1.31; p = 0.030). However, this effect was no longer statistically significant when studies involving women with anemia were excluded (SMD: 0.61; 95% CI: -0.05 to 1.27; p = 0.068), suggesting that the observed improvement in cardiorespiratory fitness may be primarily driven by this subgroup. In contrast, no significant effects were found on exercise performance outcomes such as TTE or TT performance.

Conclusion

Although iron supplementation led to improvements in hemoglobin and serum ferritin levels, its effects on exercise performance and cardiorespiratory fitness were limited.
目的和背景女性运动员被认为是非贫血性缺铁(NAID)和缺铁性贫血(IDA)的危险群体,因为缺铁情况(即月经周期失血过多,肌肉偏心收缩和出汗)。补铁应该是一种提高铁含量和体育锻炼表现的策略。为了验证补铁对NAID或IDA女性运动表现的影响,进行了系统回顾和荟萃分析(CRD42021245452)。材料和方法纳入标准包括随机或非随机临床试验,以确定与耐力运动相关的补铁对女性运动表现的影响。于2025年2月检索MEDLINE/PubMed、LILACS、SciELO和Scopus数据库,包括所有文章。结果初步确定了2122项研究。排除后,纳入了15项研究,共380名受试者。在疲劳时间(TTE; MD: 0.76 min; 95% CI: -0.13; 1.65; p = 0.067)或计时赛(TT; MD: -1.78 min; 95% CI: -3.88; 0.333 min; p = 0.059)方案中,铁补充剂并没有改善运动表现。然而,通过在同一分析中结合TTE和TT研究,我们观察到对运动表现的无显著影响(SMD: 0.97; 95% CI: -0.49至2.44;p = 0.139)。此外,尽管补充铁能持续改善血红蛋白和血清铁蛋白水平,但对心肺健康和运动表现的影响却参差不齐。我们观察到有中度和统计学意义的改善的最大V氧饱和度或峰值V氧饱和度(SMD: 0.70; 95% CI: 0.08至1.31;p = 0.030)。然而,当排除涉及贫血妇女的研究时,该效应不再具有统计学意义(SMD: 0.61; 95% CI: -0.05 ~ 1.27; p = 0.068),提示观察到的心肺功能改善可能主要由该亚组驱动。相比之下,没有发现对运动表现结果的显著影响,如TTE或TT表现。结论虽然补铁能改善血红蛋白和血清铁蛋白水平,但对运动表现和心肺功能的影响有限。
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引用次数: 0
Neuroprotective potential of Zingiber officinale methanol extract in copper sulfate-induced nigrostriatal neurodegeneration in mice 生姜甲醇提取物对硫酸铜诱导小鼠黑质纹状体神经变性的神经保护作用
Pub Date : 2025-12-21 DOI: 10.1016/j.jtemin.2025.100274
Aduema Wadioni , Olusegun G. Adebayo , Adebimpe V. Masanwoola , Joseph Chimezie
Background: Exposures to transition metals such as copper have been investigated in Parkinson’s disease (PD) patients’ brain with the concentrations higher comparative to the non-diseased. However, the mechanistic approach in PD remains largely unexplored.Objectives This study aims to investigate the Zingiber officinale methanol extract (MEZO) neuroprotective effect in mice striatal and nigral neurons after exposure to copper intoxication. Methods: A total of 40 mice (n = 8 mice/group) were treated orally with distilled water (10 mL kg-1; group 1), copper sulfate (CuSO4, 20 mg kg-1; group 2), MEZO (50 and 100 mg kg-1; group 3 and 4), and vitamin C (100 mg kg-1; group 5) repeatedly for 28 days. The mice in group 3 – 5 were pre-treated with CuSO4, followed 1 hour later by MEZO and Vitamin C treatment. Locomotor and neuromuscular performances were assessed using open field, negative geotaxis and tail suspension test, respectively. After termination, markers of oxidative stress and inflammation, neuronal transmission, and histoarchitectural changes were evaluated in the brain tissues. Results: The exposure to CuSO4 treatment induced significant reduction in locomotor and neuromuscular competence but was improved following the administration of MEZO. Oral exposure to CuSO4 increased striatal pro-oxidants (malondialdehyde and nitrite), inflammatory mediators (MPO, TNF-α, and IL-6), and α-synuclein levels; and decreased endogenous antioxidant enzymes (glutathione and catalase), anti-inflammatory cytokine (IL-10), dopamine, acetylcholinesterase (AChE) and brain derived neurotophic factor (BDNF) levels in the striatum. However, the administration of MEZO decreased pro-oxidants, inflammatory mediators, and α-synuclein levels; and increased the endogenous antioxidant enzymes, anti-inflammatory cytokine, dopamine, AChE and BDNF levels in the mice striatum in a dose-related manner. Additionally, the administration of MEZO abated the loss of the nigrostriatal neurons as well as the structural integrity after CuSO4 lesioning. Conclusion: The study suggests that MEZO could be used as a pharmacotherapy in the management and treatment of PD pathophysiology following exposure to CuSO4 intoxication.
背景:在帕金森病(PD)患者的大脑中已经研究了铜等过渡金属的暴露,其浓度高于未患病患者。然而,PD的机制方法在很大程度上仍未被探索。目的研究生姜甲醇提取物(MEZO)对铜中毒小鼠纹状体和黑质神经元的神经保护作用。方法:40只小鼠(n = 8只/组)分别口服蒸馏水(10 mL kg-1,第1组)、硫酸铜(CuSO4, 20 mg kg-1,第2组)、MEZO(50、100 mg kg-1,第3、4组)、维生素C (100 mg kg-1,第5组),连续28 d。3 ~ 5组小鼠用CuSO4预处理,1 h后给予MEZO和维生素C处理。运动和神经肌肉性能分别通过开放场、负地向性和尾部悬挂试验进行评估。终止后,对脑组织中的氧化应激和炎症标志物、神经元传递和组织结构变化进行评估。结果:暴露于CuSO4治疗导致运动和神经肌肉能力显著降低,但在给予MEZO后得到改善。口服暴露于CuSO4会增加纹状体促氧化剂(丙二醛和亚硝酸盐)、炎症介质(MPO、TNF-α和IL-6)和α-突触核蛋白水平;纹状体内源性抗氧化酶(谷胱甘肽和过氧化氢酶)、抗炎细胞因子(IL-10)、多巴胺、乙酰胆碱酯酶(AChE)和脑源性神经营养因子(BDNF)水平降低。然而,给药MEZO可降低促氧化剂、炎症介质和α-突触核蛋白水平;增加小鼠纹状体内源性抗氧化酶、抗炎细胞因子、多巴胺、AChE和BDNF水平,并呈剂量相关。此外,MEZO可以减轻CuSO4损伤后黑质纹状体神经元的损失和结构完整性。结论:本研究提示MEZO可作为一种药物疗法用于CuSO4中毒后PD病理生理的管理和治疗。
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Journal of trace elements and minerals
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