首页 > 最新文献

Biointerface Research in Applied Chemistry最新文献

英文 中文
Reno-protective Effect of Citrus sinensis by Regulating Antioxidant Capability and Gene Expression in Adenine-Induced Chronic Kidney in Rats 柑桔通过调节腺嘌呤诱导的大鼠慢性肾脏的抗氧化能力和基因表达对肾的保护作用
Q3 Biochemistry, Genetics and Molecular Biology Pub Date : 2022-09-17 DOI: 10.33263/briac134.349
This study was performed to evaluate the reno-protective and antioxidant effects of aqueous Citrus sinensis (orange) peel extract in male Wistar rats administrated adenine. Adenine was administrated to male Wistar rats at a dose of 0.75 percent w/w in feed daily for four weeks. Rats previously fed adenine were treated with orange peel extract at a dose of 40 mg/kg BW/day by oral gavage during the same period of adenine administration. The results indicate that rats fed adenine- with aqueous orange peel extract significantly decreased urea, creatinine, and uric acid concentrations in the blood. The elevated kidney lipid peroxidation product, the lowered glutathione concentration, and the suppressed antioxidant enzyme activities were significantly improved. At the same time, the expressions of heme-oxygenase1 (HO-1), wnt7a, and β-catenin genes were actively regulated. Histological changes in the kidney were represented by congestion, hypertrophied glomerulus, vacuolization of the endothelial cells lining the glomerular tuft, and interstitial nephritis in adenine-administrated rats also remarkably improved. In conclusion, administering orange peel aqueous extract with adenine reduces the signs of adenine toxicity on renal function by enhancing the antioxidant defense system.
本研究旨在评价柑橘皮提取物对雄性Wistar大鼠腺嘌呤的保护和抗氧化作用。雄性Wistar大鼠每天以0.75%w/w的饲料剂量给予腺嘌呤,持续四周。先前喂食腺嘌呤的大鼠在腺嘌呤给药的同一时间段内,以40mg/kg BW/天的剂量经口灌胃用橙皮提取物处理。结果表明,喂食腺嘌呤和陈皮水提取物的大鼠显著降低了血液中的尿素、肌酐和尿酸浓度。升高的肾脏脂质过氧化产物、降低的谷胱甘肽浓度和抑制的抗氧化酶活性都得到了显著改善。同时,血红素加氧酶1(HO-1)、wnt7a和β-catenin基因的表达受到积极调控。肾脏的组织学变化表现为充血、肾小球肥大、肾小球簇内皮细胞空泡化,腺嘌呤给药大鼠的间质性肾炎也显著改善。总之,服用含有腺嘌呤的橙皮水提取物可以通过增强抗氧化防御系统来减少腺嘌呤对肾功能的毒性迹象。
{"title":"Reno-protective Effect of Citrus sinensis by Regulating Antioxidant Capability and Gene Expression in Adenine-Induced Chronic Kidney in Rats","authors":"","doi":"10.33263/briac134.349","DOIUrl":"https://doi.org/10.33263/briac134.349","url":null,"abstract":"This study was performed to evaluate the reno-protective and antioxidant effects of aqueous Citrus sinensis (orange) peel extract in male Wistar rats administrated adenine. Adenine was administrated to male Wistar rats at a dose of 0.75 percent w/w in feed daily for four weeks. Rats previously fed adenine were treated with orange peel extract at a dose of 40 mg/kg BW/day by oral gavage during the same period of adenine administration. The results indicate that rats fed adenine- with aqueous orange peel extract significantly decreased urea, creatinine, and uric acid concentrations in the blood. The elevated kidney lipid peroxidation product, the lowered glutathione concentration, and the suppressed antioxidant enzyme activities were significantly improved. At the same time, the expressions of heme-oxygenase1 (HO-1), wnt7a, and β-catenin genes were actively regulated. Histological changes in the kidney were represented by congestion, hypertrophied glomerulus, vacuolization of the endothelial cells lining the glomerular tuft, and interstitial nephritis in adenine-administrated rats also remarkably improved. In conclusion, administering orange peel aqueous extract with adenine reduces the signs of adenine toxicity on renal function by enhancing the antioxidant defense system.","PeriodicalId":9026,"journal":{"name":"Biointerface Research in Applied Chemistry","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42724767","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Antibacterial Application of Carpathian Clinoptilolite as Cetylpyridinium Carrier 喀尔巴阡斜发沸石作为十六烷基吡啶载体的抗菌应用
Q3 Biochemistry, Genetics and Molecular Biology Pub Date : 2022-09-17 DOI: 10.33263/briac134.348
A bactericidal and structural study on the "cetylpyridinium chloride-clinoptilolite" associates has been carried out. For the first time, the samples were synthesized using the powdered clinoptilolite from the Sokyrnytsia deposit (Transcarpathian region, Ukraine). Eight "cetylpyridinium chloride-clinoptilolite" associates have been synthesized using different cetylpyridinium chloride concentrations and further characterized by elemental analysis and FTIR techniques. The association of the cetylpyridinium cation with the zeolite anionic matrix has been studied. It was found that the adsorption of the cetylpyridinium cations occurs on the clinoptilolite surface without destroying the anionic zeolite framework. Furthermore, the antibacterial activity of the associates was analyzed, and a significant activity against Staphylococcus aureus and Candida albicans strains was observed, which is caused by the cetylpyridinium cation presence. Unmodified natural and acid-treated clinoptilolites did not show antibacterial activity; however, these can be effectively used as a matrix carrier for the cetylpyridinium cation.
对“十六烷基氯化吡啶斜发沸石”缔合物进行了杀菌和结构研究。首次使用Sokyrnytsia矿床(乌克兰外喀尔巴阡山地区)的粉状斜发沸石合成样品。采用不同浓度的氯化十六烷基吡啶合成了八种“氯化十六烷基哒鎓斜发沸石”缔合物,并通过元素分析和FTIR技术对其进行了表征。研究了十六烷基吡啶鎓阳离子和沸石阴离子基体的缔合作用。研究发现,十六烷基吡啶阳离子在斜发沸石表面发生吸附,而不会破坏阴离子沸石骨架。此外,分析了缔合物的抗菌活性,并观察到对金黄色葡萄球菌和白色念珠菌菌株的显著活性,这是由十六烷基吡啶阳离子的存在引起的。未改性的天然和酸处理的斜发沸石没有显示出抗菌活性;然而,它们可以有效地用作十六烷基吡啶鎓阳离子的基质载体。
{"title":"Antibacterial Application of Carpathian Clinoptilolite as Cetylpyridinium Carrier","authors":"","doi":"10.33263/briac134.348","DOIUrl":"https://doi.org/10.33263/briac134.348","url":null,"abstract":"A bactericidal and structural study on the \"cetylpyridinium chloride-clinoptilolite\" associates has been carried out. For the first time, the samples were synthesized using the powdered clinoptilolite from the Sokyrnytsia deposit (Transcarpathian region, Ukraine). Eight \"cetylpyridinium chloride-clinoptilolite\" associates have been synthesized using different cetylpyridinium chloride concentrations and further characterized by elemental analysis and FTIR techniques. The association of the cetylpyridinium cation with the zeolite anionic matrix has been studied. It was found that the adsorption of the cetylpyridinium cations occurs on the clinoptilolite surface without destroying the anionic zeolite framework. Furthermore, the antibacterial activity of the associates was analyzed, and a significant activity against Staphylococcus aureus and Candida albicans strains was observed, which is caused by the cetylpyridinium cation presence. Unmodified natural and acid-treated clinoptilolites did not show antibacterial activity; however, these can be effectively used as a matrix carrier for the cetylpyridinium cation.","PeriodicalId":9026,"journal":{"name":"Biointerface Research in Applied Chemistry","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46330497","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A Molecularly Imprinted Polymer@PtNPs/MoS2-Based Electrochemical Platform for Sensing Glycated Albumin Concentration on the Screen-Printed Electrode (SPE) 基于分子印迹Polymer@PtNPs/ mos2的丝网印刷电极糖化白蛋白浓度检测电化学平台
Q3 Biochemistry, Genetics and Molecular Biology Pub Date : 2022-09-17 DOI: 10.33263/briac134.352
A majority of the population is affected by diabetes worldwide. The delay in detection leads to serious conditions such as cardiovascular disease, neuropathy, and others. To avoid severe consequences, it needs to be detected at the early stages. Various methods and techniques have already been introduced commercially to detect diabetes. But still, there are various limitations to these traditional methods (ion-exchange chromatography, high-performance liquid chromatography (HPLC), thiobarbituric acid (TBA) assay, boronate affinity chromatography) such as they require more time for operation; also, they are expensive and need expertise for operation. These limitations can be overcome with the application of biosensors integrated with nanomaterials and imprinting techniques. This presented study describes the development of an electrochemical biosensing platform for determining the concentration of glycated albumin. The biosensor was developed using the molecularly imprinting technique to enhance the specificity, stability, and selectivity. Further, to enhance the electrode's conductivity, surface area, and biocompatibility, the sensing platform was modified with Molybdenum disulfide (MoS2) nanosheets and Platinum nanoparticles (Pt NPs). Furthermore, the presented electrode was evaluated with electrochemical measurements. The biosensor exhibits a detection limit as low as 0.34 nM. Also, it operates in a dynamic concentration range from 0.34 nM to 700 μM. The actual working range was divided into lower (0.34 nM to 35 μM) and higher (200 to 700 μM).
全世界大多数人口都受到糖尿病的影响。检测的延迟会导致严重的疾病,如心血管疾病、神经病变等。为了避免严重后果,需要在早期阶段发现它。各种检测糖尿病的商业方法和技术已经被引入。但这些传统方法(离子交换色谱法、高效液相色谱法、硫代巴比妥酸法、硼酸亲和色谱法)仍存在诸多局限性,如操作时间较长;此外,它们价格昂贵,需要专业知识来操作。这些限制可以通过应用集成了纳米材料和印迹技术的生物传感器来克服。本研究描述了测定糖化白蛋白浓度的电化学生物传感平台的发展。该生物传感器采用分子印迹技术来提高特异性、稳定性和选择性。此外,为了提高电极的导电性、表面积和生物相容性,用二硫化钼(MoS2)纳米片和铂纳米颗粒(Pt NPs)修饰了传感平台。并对所制备的电极进行了电化学测试。该生物传感器的检测限低至0.34 nM。此外,它的动态工作浓度范围为0.34 nM至700 μM。实际工作范围分为较低(0.34 nM ~ 35 μM)和较高(200 ~ 700 μM)。
{"title":"A Molecularly Imprinted Polymer@PtNPs/MoS2-Based Electrochemical Platform for Sensing Glycated Albumin Concentration on the Screen-Printed Electrode (SPE)","authors":"","doi":"10.33263/briac134.352","DOIUrl":"https://doi.org/10.33263/briac134.352","url":null,"abstract":"A majority of the population is affected by diabetes worldwide. The delay in detection leads to serious conditions such as cardiovascular disease, neuropathy, and others. To avoid severe consequences, it needs to be detected at the early stages. Various methods and techniques have already been introduced commercially to detect diabetes. But still, there are various limitations to these traditional methods (ion-exchange chromatography, high-performance liquid chromatography (HPLC), thiobarbituric acid (TBA) assay, boronate affinity chromatography) such as they require more time for operation; also, they are expensive and need expertise for operation. These limitations can be overcome with the application of biosensors integrated with nanomaterials and imprinting techniques. This presented study describes the development of an electrochemical biosensing platform for determining the concentration of glycated albumin. The biosensor was developed using the molecularly imprinting technique to enhance the specificity, stability, and selectivity. Further, to enhance the electrode's conductivity, surface area, and biocompatibility, the sensing platform was modified with Molybdenum disulfide (MoS2) nanosheets and Platinum nanoparticles (Pt NPs). Furthermore, the presented electrode was evaluated with electrochemical measurements. The biosensor exhibits a detection limit as low as 0.34 nM. Also, it operates in a dynamic concentration range from 0.34 nM to 700 μM. The actual working range was divided into lower (0.34 nM to 35 μM) and higher (200 to 700 μM).","PeriodicalId":9026,"journal":{"name":"Biointerface Research in Applied Chemistry","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43073674","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Exploration of the Electronic, Spectroscopic Properties, and Bonding of an Antimalarial Drug of Chromium Arene–Quinoline Half Sandwich Complex in Aqueous Solution: A PCM Investigation 水溶液中抗疟药物铬芳烃-喹啉半夹层配合物的电子、光谱性质和键合的探索:PCM研究
Q3 Biochemistry, Genetics and Molecular Biology Pub Date : 2022-09-12 DOI: 10.33263/briac134.313
In this paper, using the mPW1PW91 functional, quantum chemical calculations were used to explore electronic, spectroscopic properties and bonding of an antimalarial drug of chromium arene–quinoline half sandwich complex in gas and aqueous phases. The solvent effects were examined using the self-consistent reaction field theory (SCRF) based on the polarizable continuum model (PCM). Reactivity parameters of the complex and chloroquine were compared. The molecular properties of these molecules were related to their biological activity. The studied complex and chloroquine's octanol-water partition coefficient (log P) were calculated and compared. The correlation between molecular hardness and biological activity was illustrated. The temperature dependence of thermodynamic parameters of the complex was investigated. Cr-C bonds in the studied drug were illustrated using NBO and QTAIM analyses.
本文利用mPW1PW91函数,利用量子化学计算方法,研究了一种抗疟药物铬芳烃-喹啉半三明治配合物在气相和水相中的电子、光谱性质和键合。基于可极化连续体模型(PCM),采用自洽反应场理论(SCRF)对溶剂效应进行了研究。比较了配合物和氯喹的反应参数。这些分子的分子性质与其生物活性有关。计算并比较了所研究的配合物和氯喹的辛醇-水分配系数(log P)。阐明了分子硬度与生物活性之间的关系。研究了配合物热力学参数的温度依赖性。使用NBO和QTAIM分析说明了所研究药物中的Cr-C键。
{"title":"Exploration of the Electronic, Spectroscopic Properties, and Bonding of an Antimalarial Drug of Chromium Arene–Quinoline Half Sandwich Complex in Aqueous Solution: A PCM Investigation","authors":"","doi":"10.33263/briac134.313","DOIUrl":"https://doi.org/10.33263/briac134.313","url":null,"abstract":"In this paper, using the mPW1PW91 functional, quantum chemical calculations were used to explore electronic, spectroscopic properties and bonding of an antimalarial drug of chromium arene–quinoline half sandwich complex in gas and aqueous phases. The solvent effects were examined using the self-consistent reaction field theory (SCRF) based on the polarizable continuum model (PCM). Reactivity parameters of the complex and chloroquine were compared. The molecular properties of these molecules were related to their biological activity. The studied complex and chloroquine's octanol-water partition coefficient (log P) were calculated and compared. The correlation between molecular hardness and biological activity was illustrated. The temperature dependence of thermodynamic parameters of the complex was investigated. Cr-C bonds in the studied drug were illustrated using NBO and QTAIM analyses.","PeriodicalId":9026,"journal":{"name":"Biointerface Research in Applied Chemistry","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49219613","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Rosmarinus Officinalis L, Eriobotrya Japonica and Olea Europaea L Attenuate Adipogenesis in 3T3-L1-Derived Adipocytes and Inflammatory Response in LPS-Induced THP-1-Derived Macrophages 迷迭香、枇杷和油橄榄可减弱3t3 - l1来源的脂肪细胞的脂肪生成和lps诱导的thp -1来源的巨噬细胞的炎症反应
Q3 Biochemistry, Genetics and Molecular Biology Pub Date : 2022-09-11 DOI: 10.33263/briac134.343
This study aims to in vitro evaluate the impact of three traditionally used anti-obesity medicinal plant extracts on inflammatory mediators in the THP-1 cell line and adipocyte differentiation and fat accumulation in the 3T3-L1 cell line. After extract preparation, an in vitro evaluation of cell viability using MTT on THP-1 and 3T3-L1, NO production levels using Griess reagent and cytokines production in THP-1 cells, and adipogenicity evaluation using Oil Red O on 3T3-L1 cells were performed. O. europaea showed the highest cytostatic on THP-1 cells with IC50 of 290.6 µg/mL, while R. officinalis was the highest on 3T3-L1 cells with IC50 of 486.6 µg/mL. All extracts significantly reduced dose-dependently nitric oxide (NO) production by THP-1-derived macrophages from 80 µM to control levels after treatment with 125 µg/mL. Similarly, all extracts decreased the levels of TNF-α and IL-6 production dose-dependently, with the highest effects reached at 250 µg/mL. all extracts increased the production levels of IL-10 from 32 pg/mL to 106.8 pg/mL, 83.5 pg/mL and 87 pg/mL at 125µg/mL, respectively. After treatment with plant extracts, the adipocyte differentiation and fat accumulation in 3T3-L1 were reduced to 20% of the control values. All three medicinal plants exhibit their traditionally known anti-obesity effects through cytostatic effects, modulation of proinflammatory and anti-inflammatory cytokine production levels, and reduction of adipocyte differentiation and fat accumulation.
本研究旨在体外评估三种传统抗肥胖药用植物提取物对THP-1细胞系炎症介质和3T3-L1细胞系脂肪细胞分化和脂肪堆积的影响。提取液制备后,采用MTT法体外评价THP-1和3T3-L1细胞活力,Griess试剂法体外评价THP-1细胞NO生成水平和细胞因子生成,油红O法体外评价3T3-L1细胞成脂性。对THP-1细胞的抑制作用最强,IC50为290.6µg/mL;对3T3-L1细胞的抑制作用最强,IC50为486.6µg/mL。所有提取物均显著降低thp -1衍生巨噬细胞产生的剂量依赖性一氧化氮(NO),从80µM降至125µg/mL处理后的对照水平。同样,所有提取物均呈剂量依赖性地降低TNF-α和IL-6的产生水平,在250µg/mL时达到最高效果。在125µg/mL时,所有提取物均使IL-10的生成水平分别从32 pg/mL增加到106.8 pg/mL、83.5 pg/mL和87 pg/mL。经植物提取物处理后,3T3-L1的脂肪细胞分化和脂肪堆积减少到对照值的20%。这三种药用植物通过细胞抑制作用,调节促炎和抗炎细胞因子的产生水平,减少脂肪细胞分化和脂肪积累,表现出传统上已知的抗肥胖作用。
{"title":"Rosmarinus Officinalis L, Eriobotrya Japonica and Olea Europaea L Attenuate Adipogenesis in 3T3-L1-Derived Adipocytes and Inflammatory Response in LPS-Induced THP-1-Derived Macrophages","authors":"","doi":"10.33263/briac134.343","DOIUrl":"https://doi.org/10.33263/briac134.343","url":null,"abstract":"This study aims to in vitro evaluate the impact of three traditionally used anti-obesity medicinal plant extracts on inflammatory mediators in the THP-1 cell line and adipocyte differentiation and fat accumulation in the 3T3-L1 cell line. After extract preparation, an in vitro evaluation of cell viability using MTT on THP-1 and 3T3-L1, NO production levels using Griess reagent and cytokines production in THP-1 cells, and adipogenicity evaluation using Oil Red O on 3T3-L1 cells were performed. O. europaea showed the highest cytostatic on THP-1 cells with IC50 of 290.6 µg/mL, while R. officinalis was the highest on 3T3-L1 cells with IC50 of 486.6 µg/mL. All extracts significantly reduced dose-dependently nitric oxide (NO) production by THP-1-derived macrophages from 80 µM to control levels after treatment with 125 µg/mL. Similarly, all extracts decreased the levels of TNF-α and IL-6 production dose-dependently, with the highest effects reached at 250 µg/mL. all extracts increased the production levels of IL-10 from 32 pg/mL to 106.8 pg/mL, 83.5 pg/mL and 87 pg/mL at 125µg/mL, respectively. After treatment with plant extracts, the adipocyte differentiation and fat accumulation in 3T3-L1 were reduced to 20% of the control values. All three medicinal plants exhibit their traditionally known anti-obesity effects through cytostatic effects, modulation of proinflammatory and anti-inflammatory cytokine production levels, and reduction of adipocyte differentiation and fat accumulation.","PeriodicalId":9026,"journal":{"name":"Biointerface Research in Applied Chemistry","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49009728","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Comparative Investigations on the Bioactivity of Surface Grain Refined Titanium and Surface Oxidized Titanium for Biomedical Implant Applications 表面晶粒细化钛与表面氧化钛在生物医学植入物中的生物活性比较研究
Q3 Biochemistry, Genetics and Molecular Biology Pub Date : 2022-09-11 DOI: 10.33263/briac134.318
Surface engineering of titanium (Ti) for medical implant applications is an active research area in the biomedical field across the globe. Improving the bioactivity of the Ti surface is crucial for implant applications where osseointegration is essentially required to enhance the healing rate. In the present work, shot peening followed by micro-arc oxidation (MAO) treatments were applied to pure Ti with an objective to investigate the role of surface grain refinement and the oxide layer on biomineralization ability to assess the bioactivity of the surface. After shot peening with steel balls, Ti substrates were subjected to MAO using sodium phosphate solution. Grain refinement was observed at the surface after the shot peening at a submicrometer levels ranging from 0.5 to 2 µm for a thickness of ~ 50µm. Ti sheets subjected to MAO exhibited a porous oxide layer on the surface. From the XRD analysis, the TiO2 layer was observed as a combination of anatase and rutile. Higher Ca/P-based apatite deposition on shot-peened Ti compared with MAO Ti was observed in the in vitro immersion studies. The results indicated increased bioactivity for grain refined Ti compared with MAO Ti. Hence, it is concluded that the microstructure influences the bioactivity of Ti implants compared with the oxide layer.
钛(Ti)表面工程在医疗植入物中的应用是全球生物医学领域的一个活跃研究领域。提高钛表面的生物活性对于种植体应用至关重要,因为种植体需要骨整合来提高愈合速度。喷丸强化后,表面晶粒细化,亚微米级范围为0.5 ~ 2µm,厚度为~ 50µm。XRD分析表明,TiO2为锐钛矿和金红石的结合体。因此,与氧化层相比,微观结构影响钛植入物的生物活性。
{"title":"Comparative Investigations on the Bioactivity of Surface Grain Refined Titanium and Surface Oxidized Titanium for Biomedical Implant Applications","authors":"","doi":"10.33263/briac134.318","DOIUrl":"https://doi.org/10.33263/briac134.318","url":null,"abstract":"Surface engineering of titanium (Ti) for medical implant applications is an active research area in the biomedical field across the globe. Improving the bioactivity of the Ti surface is crucial for implant applications where osseointegration is essentially required to enhance the healing rate. In the present work, shot peening followed by micro-arc oxidation (MAO) treatments were applied to pure Ti with an objective to investigate the role of surface grain refinement and the oxide layer on biomineralization ability to assess the bioactivity of the surface. After shot peening with steel balls, Ti substrates were subjected to MAO using sodium phosphate solution. Grain refinement was observed at the surface after the shot peening at a submicrometer levels ranging from 0.5 to 2 µm for a thickness of ~ 50µm. Ti sheets subjected to MAO exhibited a porous oxide layer on the surface. From the XRD analysis, the TiO2 layer was observed as a combination of anatase and rutile. Higher Ca/P-based apatite deposition on shot-peened Ti compared with MAO Ti was observed in the in vitro immersion studies. The results indicated increased bioactivity for grain refined Ti compared with MAO Ti. Hence, it is concluded that the microstructure influences the bioactivity of Ti implants compared with the oxide layer.","PeriodicalId":9026,"journal":{"name":"Biointerface Research in Applied Chemistry","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48677599","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Chemical, Biological, and Pharmacological Prospects of Caffeic Acid 咖啡酸的化学、生物学和药理学前景
Q3 Biochemistry, Genetics and Molecular Biology Pub Date : 2022-09-11 DOI: 10.33263/briac134.324
There are many proven beneficial pharmacological effects of polyphenols, and these compounds have been tremendously studied for their role in the human body. Daily intake of polyphenols has shown beneficial effects on the immune system. Polyphenols are the natural compounds present in plants as secondary metabolites. Caffeic acid (CA) is the major one among other compounds of hydroxycinnamic acid, which plays an important role as an antioxidant, anticancer, antidiabetic, antihypertensive, antimicrobial, hepatoprotective, antiviral, etc. It is found in most herbal plants. CA produces its pharmacological effect by altering the activity of various key enzymes. It reduces the blood glucose level by inhibiting enzymes α-amylase and α-glucosidase in type-2 diabetes. It shows anticancer and anti-inflammatory activity by inhibiting various transcript factors. The small part of the esterified form of CA is absorbed in the stomach, and the rest of the part is the breakdown in its free form by the microbial esterases in the colon. It enters intestinal cells via active transport mediated by MCT. The maximum plasma concentration is seen after one hour of food ingestion. Methylation, sulphation, and glucuronidation take place after absorption and are excreted primarily through urine. The purpose of this review is to enhance researchers' knowledge to conduct more studies to reveal and optimize CA's biological and pharmacological properties. Based on its pharmacological activity, this compound can be used as a natural safeguard to replace synthetic antibiotics and other synthetic medicine to reduce the medicinal cost and side effects.
多酚有许多已证实的有益药理作用,这些化合物在人体中的作用已被大量研究。每天摄入多酚对免疫系统有好处。多酚是植物次生代谢产物中的天然化合物。咖啡酸(cafic acid, CA)是羟基肉桂酸的主要化合物之一,具有抗氧化、抗癌、降糖、降压、抗菌、保肝、抗病毒等重要作用。它存在于大多数草本植物中。CA通过改变各种关键酶的活性来产生其药理作用。它通过抑制2型糖尿病患者α-淀粉酶和α-葡萄糖苷酶来降低血糖水平。它通过抑制多种转录因子显示抗癌和抗炎活性。羧酸酯化后的一小部分在胃中被吸收,其余部分则被结肠中的微生物酯酶分解为游离形式。它通过MCT介导的主动转运进入肠细胞。血药浓度最大值出现在进食一小时后。甲基化、磺化和葡萄糖醛酸化在吸收后发生,主要通过尿液排出。本文综述的目的是提高研究者的认识,以便开展更多的研究,揭示和优化CA的生物学和药理特性。基于其药理活性,该化合物可作为替代合成抗生素和其他合成药物的天然保障剂,降低药物成本和副作用。
{"title":"Chemical, Biological, and Pharmacological Prospects of Caffeic Acid","authors":"","doi":"10.33263/briac134.324","DOIUrl":"https://doi.org/10.33263/briac134.324","url":null,"abstract":"There are many proven beneficial pharmacological effects of polyphenols, and these compounds have been tremendously studied for their role in the human body. Daily intake of polyphenols has shown beneficial effects on the immune system. Polyphenols are the natural compounds present in plants as secondary metabolites. Caffeic acid (CA) is the major one among other compounds of hydroxycinnamic acid, which plays an important role as an antioxidant, anticancer, antidiabetic, antihypertensive, antimicrobial, hepatoprotective, antiviral, etc. It is found in most herbal plants. CA produces its pharmacological effect by altering the activity of various key enzymes. It reduces the blood glucose level by inhibiting enzymes α-amylase and α-glucosidase in type-2 diabetes. It shows anticancer and anti-inflammatory activity by inhibiting various transcript factors. The small part of the esterified form of CA is absorbed in the stomach, and the rest of the part is the breakdown in its free form by the microbial esterases in the colon. It enters intestinal cells via active transport mediated by MCT. The maximum plasma concentration is seen after one hour of food ingestion. Methylation, sulphation, and glucuronidation take place after absorption and are excreted primarily through urine. The purpose of this review is to enhance researchers' knowledge to conduct more studies to reveal and optimize CA's biological and pharmacological properties. Based on its pharmacological activity, this compound can be used as a natural safeguard to replace synthetic antibiotics and other synthetic medicine to reduce the medicinal cost and side effects.","PeriodicalId":9026,"journal":{"name":"Biointerface Research in Applied Chemistry","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44866227","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Dye Elimination by Surface-Functionalized Magnetite Nanoparticles: Kinetic and Isotherm Studies 表面功能化磁铁矿纳米粒子去除染料的动力学和等温研究
Q3 Biochemistry, Genetics and Molecular Biology Pub Date : 2022-09-11 DOI: 10.33263/briac134.325
In the present manuscript, uncoated and citric acid-coated magnetic nanoparticles were synthesized and characterized using various techniques. The manuscript mainly focuses on the adsorption study of the citric acid-modified magnetic nanoparticles for dye adsorption from the solution. The effect of several factors, including adsorbent amount, adsorption time, and dye solution concentration, were examined. Additionally, kinetic and isotherm studies confirmed that the adsorption process followed pseudo-second-order kinetics and the Langmuir isotherm model. The desorption study was also scrutinized. The coated magnetite nanoparticles show better adsorption capacity than uncoated magnetite nanoparticles.
在本手稿中,使用各种技术合成并表征了未涂覆和柠檬酸涂覆的磁性纳米颗粒。本文主要研究了柠檬酸修饰的磁性纳米粒子对溶液中染料的吸附研究。考察了吸附剂用量、吸附时间和染料溶液浓度等因素的影响。此外,动力学和等温线研究证实,吸附过程遵循准二级动力学和Langmuir等温线模型。解吸研究也受到了仔细审查。与未涂覆的磁铁矿纳米颗粒相比,涂覆的磁铁矿纳米粒子显示出更好的吸附能力。
{"title":"Dye Elimination by Surface-Functionalized Magnetite Nanoparticles: Kinetic and Isotherm Studies","authors":"","doi":"10.33263/briac134.325","DOIUrl":"https://doi.org/10.33263/briac134.325","url":null,"abstract":"In the present manuscript, uncoated and citric acid-coated magnetic nanoparticles were synthesized and characterized using various techniques. The manuscript mainly focuses on the adsorption study of the citric acid-modified magnetic nanoparticles for dye adsorption from the solution. The effect of several factors, including adsorbent amount, adsorption time, and dye solution concentration, were examined. Additionally, kinetic and isotherm studies confirmed that the adsorption process followed pseudo-second-order kinetics and the Langmuir isotherm model. The desorption study was also scrutinized. The coated magnetite nanoparticles show better adsorption capacity than uncoated magnetite nanoparticles.","PeriodicalId":9026,"journal":{"name":"Biointerface Research in Applied Chemistry","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45065258","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Bioactivity of Heterotrigona itama Propolis as Anti-Inflammatory: A Review 异三角蜂蜂胶抗炎生物活性研究进展
Q3 Biochemistry, Genetics and Molecular Biology Pub Date : 2022-09-11 DOI: 10.33263/briac134.326
Chronic inflammation is common in infectious diseases, rheumatoid arthritis, gout, and autoimmune diseases. Several pharmaceutical therapies are readily available. However, using non-steroidal anti-inflammatory drugs (NSAIDs) is accompanied by dangerous side effects. Therefore, searching for safer alternative therapies with no side effects is very important. Currently, natural sources of kelulut bee (Heterotrigona itama) propolis have not been fully utilized for treatment, especially for inflammation. This study aims to study the bioactivity of kelulut bee propolis H. itama as an anti-inflammatory. The literature review was used as a method by searching related journals using Google Scholar, PubMed, Scopus, and Garuda. Based on the study's results, it was found that H. itama propolis has the potential to suppress inflammation through the inhibition of free radicals and decrease COX-2. The compounds that have the potential to have this activity are influenced by the resin source collected by the kelulut bees. This information can be used as a reference for developing natural ingredients from propolis for anti-inflammatory properties.
慢性炎症常见于传染病、类风湿性关节炎、痛风和自身免疫性疾病。几种药物疗法很容易获得。然而,使用非甾体抗炎药(NSAIDs)会伴随着危险的副作用。因此,寻找更安全、无副作用的替代疗法非常重要。目前,kelulut蜂蜂胶的天然来源尚未完全用于治疗,尤其是炎症。本研究旨在研究蜂蜂胶的抗炎活性。文献综述作为一种方法,使用Google Scholar、PubMed、Scopus和Garuda搜索相关期刊。根据研究结果,发现香菇蜂胶具有通过抑制自由基和降低COX-2来抑制炎症的潜力。有可能具有这种活性的化合物受到kelulut蜜蜂收集的树脂来源的影响。这些信息可作为从蜂胶中开发具有抗炎特性的天然成分的参考。
{"title":"Bioactivity of Heterotrigona itama Propolis as Anti-Inflammatory: A Review","authors":"","doi":"10.33263/briac134.326","DOIUrl":"https://doi.org/10.33263/briac134.326","url":null,"abstract":"Chronic inflammation is common in infectious diseases, rheumatoid arthritis, gout, and autoimmune diseases. Several pharmaceutical therapies are readily available. However, using non-steroidal anti-inflammatory drugs (NSAIDs) is accompanied by dangerous side effects. Therefore, searching for safer alternative therapies with no side effects is very important. Currently, natural sources of kelulut bee (Heterotrigona itama) propolis have not been fully utilized for treatment, especially for inflammation. This study aims to study the bioactivity of kelulut bee propolis H. itama as an anti-inflammatory. The literature review was used as a method by searching related journals using Google Scholar, PubMed, Scopus, and Garuda. Based on the study's results, it was found that H. itama propolis has the potential to suppress inflammation through the inhibition of free radicals and decrease COX-2. The compounds that have the potential to have this activity are influenced by the resin source collected by the kelulut bees. This information can be used as a reference for developing natural ingredients from propolis for anti-inflammatory properties.","PeriodicalId":9026,"journal":{"name":"Biointerface Research in Applied Chemistry","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41688373","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Review: Pharmacological Activities of Quinoline Alkaloid of Cinchona sp. 金鸡纳喹啉生物碱的药理活性研究进展。
Q3 Biochemistry, Genetics and Molecular Biology Pub Date : 2022-09-11 DOI: 10.33263/briac134.319
Cinchona is a plant used in traditional malaria treatment. This review aims to examine pharmacological activities to increase the benefits and uses of the bioactive compounds found in the bark of the Cinchona trees as medicine and cosmetics. A literature search was conducted through the internet database https://pubmed.ncbi.nlm.nih.gov/; https://scholar.google.com/; https://www.sciencedirect.com/; https://www.wiley.com/en-us from 1998-2022. The main phytochemical content of Cinchona bark is quinoline alkaloids (quinine, cinchonidine, cinchonine, and cinchonidine), with total alkaloid concentrations varying between 6 and 15% (Cinchona succirubra ranging from 5-7%, Cinchona calisaya 4-7% and Cinchona ledgeriana 5-14%). Cinchona quinoline alkaloids have the same active site on the nitrogen atom in the quinuclidine ring and the methylene alcohol functional group, which plays an essential role in their pharmacological activity. Besides being used as an antimalarial, Cinchona alkaloids are currently being developed as their anticancer, antioxidant, antidiabetic, antifungal, muscle cramps, hair growth stimulant, antimicrobial, antiobesity, antiplatelet, antiviral, anesthetic, and antipyretic properties. Conclusion: Quinoline alkaloids of Cinchona sp have various pharmacological activities that have the potency to be developed as drugs and cosmetics.
金鸡纳是一种用于传统疟疾治疗的植物。本综述旨在研究金鸡纳树皮中生物活性物质的药理活性,以增加其作为药物和化妆品的益处和用途。通过互联网数据库https://pubmed.ncbi.nlm.nih.gov/进行文献检索;https://scholar.google.com/;https://www.sciencedirect.com/;https://www.wiley.com/en-us从1998年到2022年。金鸡纳树皮的主要植物化学成分为喹啉类生物碱(奎宁、金鸡尼定、金鸡宁、金鸡尼定),总生物碱含量在6% ~ 15%之间(金鸡纳为5 ~ 7%,金鸡纳为4 ~ 7%,金鸡纳为5 ~ 14%)。金鸡纳喹啉类生物碱在喹啉环的氮原子上与亚甲基醇官能团具有相同的活性位点,这对其药理活性起着至关重要的作用。除了用于抗疟疾,金鸡纳生物碱目前被开发为抗癌、抗氧化、抗糖尿病、抗真菌、肌肉痉挛、促进毛发生长、抗菌、抗肥胖、抗血小板、抗病毒、麻醉和解热的特性。结论:金鸡纳的喹啉类生物碱具有多种药理活性,具有开发药用和化妆品的潜力。
{"title":"A Review: Pharmacological Activities of Quinoline Alkaloid of Cinchona sp.","authors":"","doi":"10.33263/briac134.319","DOIUrl":"https://doi.org/10.33263/briac134.319","url":null,"abstract":"Cinchona is a plant used in traditional malaria treatment. This review aims to examine pharmacological activities to increase the benefits and uses of the bioactive compounds found in the bark of the Cinchona trees as medicine and cosmetics. A literature search was conducted through the internet database https://pubmed.ncbi.nlm.nih.gov/; https://scholar.google.com/; https://www.sciencedirect.com/; https://www.wiley.com/en-us from 1998-2022. The main phytochemical content of Cinchona bark is quinoline alkaloids (quinine, cinchonidine, cinchonine, and cinchonidine), with total alkaloid concentrations varying between 6 and 15% (Cinchona succirubra ranging from 5-7%, Cinchona calisaya 4-7% and Cinchona ledgeriana 5-14%). Cinchona quinoline alkaloids have the same active site on the nitrogen atom in the quinuclidine ring and the methylene alcohol functional group, which plays an essential role in their pharmacological activity. Besides being used as an antimalarial, Cinchona alkaloids are currently being developed as their anticancer, antioxidant, antidiabetic, antifungal, muscle cramps, hair growth stimulant, antimicrobial, antiobesity, antiplatelet, antiviral, anesthetic, and antipyretic properties. Conclusion: Quinoline alkaloids of Cinchona sp have various pharmacological activities that have the potency to be developed as drugs and cosmetics.","PeriodicalId":9026,"journal":{"name":"Biointerface Research in Applied Chemistry","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47545015","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
期刊
Biointerface Research in Applied Chemistry
全部 Acc. Chem. Res. ACS Applied Bio Materials ACS Appl. Electron. Mater. ACS Appl. Energy Mater. ACS Appl. Mater. Interfaces ACS Appl. Nano Mater. ACS Appl. Polym. Mater. ACS BIOMATER-SCI ENG ACS Catal. ACS Cent. Sci. ACS Chem. Biol. ACS Chemical Health & Safety ACS Chem. Neurosci. ACS Comb. Sci. ACS Earth Space Chem. ACS Energy Lett. ACS Infect. Dis. ACS Macro Lett. ACS Mater. Lett. ACS Med. Chem. Lett. ACS Nano ACS Omega ACS Photonics ACS Sens. ACS Sustainable Chem. Eng. ACS Synth. Biol. Anal. Chem. BIOCHEMISTRY-US Bioconjugate Chem. BIOMACROMOLECULES Chem. Res. Toxicol. Chem. Rev. Chem. Mater. CRYST GROWTH DES ENERG FUEL Environ. Sci. Technol. Environ. Sci. Technol. Lett. Eur. J. Inorg. Chem. IND ENG CHEM RES Inorg. Chem. J. Agric. Food. Chem. J. Chem. Eng. Data J. Chem. Educ. J. Chem. Inf. Model. J. Chem. Theory Comput. J. Med. Chem. J. Nat. Prod. J PROTEOME RES J. Am. Chem. Soc. LANGMUIR MACROMOLECULES Mol. Pharmaceutics Nano Lett. Org. Lett. ORG PROCESS RES DEV ORGANOMETALLICS J. Org. Chem. J. Phys. Chem. J. Phys. Chem. A J. Phys. Chem. B J. Phys. Chem. C J. Phys. Chem. Lett. Analyst Anal. Methods Biomater. Sci. Catal. Sci. Technol. Chem. Commun. Chem. Soc. Rev. CHEM EDUC RES PRACT CRYSTENGCOMM Dalton Trans. Energy Environ. Sci. ENVIRON SCI-NANO ENVIRON SCI-PROC IMP ENVIRON SCI-WAT RES Faraday Discuss. Food Funct. Green Chem. Inorg. Chem. Front. Integr. Biol. J. Anal. At. Spectrom. J. Mater. Chem. A J. Mater. Chem. B J. Mater. Chem. C Lab Chip Mater. Chem. Front. Mater. Horiz. MEDCHEMCOMM Metallomics Mol. Biosyst. Mol. Syst. Des. Eng. Nanoscale Nanoscale Horiz. Nat. Prod. Rep. New J. Chem. Org. Biomol. Chem. Org. Chem. Front. PHOTOCH PHOTOBIO SCI PCCP Polym. Chem.
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
0
微信
客服QQ
Book学术公众号 扫码关注我们
反馈
×
意见反馈
请填写您的意见或建议
请填写您的手机或邮箱
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
Book学术官方微信
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术
文献互助 智能选刊 最新文献 互助须知 联系我们:info@booksci.cn
Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。
Copyright © 2023 Book学术 All rights reserved.
ghs 京公网安备 11010802042870号 京ICP备2023020795号-1