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A comparative study on quantitative anatomical characteristics of compression, lateral, and opposite woods in Agathis loranthifolia and Pinus merkusii 罗汉松和欧洲赤松压缩木、侧向木和对生木定量解剖特征比较研究
IF 1.5 4区 农林科学
Bioresources Pub Date : 2023-12-13 DOI: 10.15376/biores.19.1.925-943
B. Purusatama, Suk Woo Kim, Nam Hun Kim
{"title":"A comparative study on quantitative anatomical characteristics of compression, lateral, and opposite woods in Agathis loranthifolia and Pinus merkusii","authors":"B. Purusatama, Suk Woo Kim, Nam Hun Kim","doi":"10.15376/biores.19.1.925-943","DOIUrl":"https://doi.org/10.15376/biores.19.1.925-943","url":null,"abstract":"Quantitative anatomical characteristics and their radial variation in compression (COW), lateral (LAW), and opposite (OPW) woods of Agathis loranthifolia and Pinus merkusii stem woods growing in Indonesia were observed and compared to understand wood quality. The length, diameter, wall thickness, and lumen diameter of tracheids and ray height and numbers were observed using optical microscopy. In both species, COW had the shortest tracheid length, smallest tracheid and lumen diameter, thickest cell wall, and highest ray numbers among the parts, while LAW and OPW showed comparable or variable values in quantitative characteristics. In A. loranthifolia, COW had the highest ray height, whereas, in P. merkusii, it had the lowest uniseriate and fusiform ray heights. No significant difference was observed in ray numbers and heights between LAW and OPW. In both species, the tracheid length and lumen-to-diameter ratio in COW, LAW, and OPW tended to increase from near the pith to near the bark while the wall-to-diameter ratio decreased. The ray heights of all parts increased with increasing distance from the pith, whereas the ray number decreased.","PeriodicalId":9172,"journal":{"name":"Bioresources","volume":"124 S176","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139006350","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A comparative assessment of sea buckthorn (Hippophae rhamnoides L.) pruning waste as a potential source of serotonin 沙棘(Hippophae rhamnoides L.)修剪废料作为潜在血清素来源的比较评估
IF 1.5 4区 农林科学
Bioresources Pub Date : 2023-12-12 DOI: 10.15376/biores.19.1.886-897
S. Janceva, A. Andersone, Līga Lauberte, N. Zaharova, G. Telysheva, J. Krasiļņikova, Gints Rieksts
{"title":"A comparative assessment of sea buckthorn (Hippophae rhamnoides L.) pruning waste as a potential source of serotonin","authors":"S. Janceva, A. Andersone, Līga Lauberte, N. Zaharova, G. Telysheva, J. Krasiļņikova, Gints Rieksts","doi":"10.15376/biores.19.1.886-897","DOIUrl":"https://doi.org/10.15376/biores.19.1.886-897","url":null,"abstract":"Sea buckthorn (Hippophae rhamnoides L.) twigs, remaining after harvesting and pruning, are an underutilized and little-explored biomass resource. This study investigated the content of serotonin in 10 sea buckthorn cultivars (‘Maria Bruvele’, ‘Botanicheskaya Lubitelskaya’, ‘Tatiana’, ‘Otto’, ‘Leikora’, ‘Duet’, ‘Clara’, ‘Lord’, ‘Eva’, ‘Tarmo’) for the first time, and for further adjustment of the extraction conditions, cultivar ‘Maria Bruvele’ was extracted by water and water/ethanol solution with 20-25, 50, 70, and 96% ethanol at different temperatures. The results showed that 50% water/ethanol solutions are the most suitable for extraction, which makes it possible to increase the yield of serotonin. The 2-year-old twigs and bark from ‘Maria Bruvele’ collected in autumn contained higher serotonin content compared to spring-collected biomass. Serotonin sequential purification allowed the serotonin content in the fraction to increase to 26%/DM. The serotonin-rich fraction showed antimicrobial activity against gram-positive and gram-negative bacteria. In tests with salivary amylase, a serotonin-rich fraction at the amount of 0.1-0.4 mg/mL of saliva, under normal physiological conditions, tended to increase amylase activity, resulting in acceleration of starch degradation to glucose. Thus, the results support further study of the serotonin fraction for the treatment of people having underweight, malnutrition, and malabsorption conditions.","PeriodicalId":9172,"journal":{"name":"Bioresources","volume":"19 12","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139007320","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Isolation of arabinose and galactose from industrial sidestreams in high yield and purity 从工业副产物中分离出高产、高纯度的阿拉伯糖和半乳糖
IF 1.5 4区 农林科学
Bioresources Pub Date : 2023-12-12 DOI: 10.15376/biores.19.1.858-871
P. Widsten, Mark West, Alankar A. Vaidya, K. Murton
{"title":"Isolation of arabinose and galactose from industrial sidestreams in high yield and purity","authors":"P. Widsten, Mark West, Alankar A. Vaidya, K. Murton","doi":"10.15376/biores.19.1.858-871","DOIUrl":"https://doi.org/10.15376/biores.19.1.858-871","url":null,"abstract":"Monosaccharides such as L-arabinose (Ara) and D-tagatose (derived from D-galactose, Gal) are low-calorie sweeteners associated with improved glycaemic and insulin control compared to disaccharides such as sucrose. However, alternative sources and better sugar-sugar separation methods are needed to improve the sustainability and economics of their production. Here, these sugars were obtained from purified and ultrafiltered compression screw pressate (CSP) of thermo-mechanical pulping of softwood (Pinus radiata) and orange peels (OPs). Ba-substituted zeolite X (BaX) molecular sieves showed superior separation performance of Ara from other sugars compared to conventional Ca-form ion exchange resin. To facilitate subsequent separation of sugars, OP hydrolysates were fermented to leave just Ara and Gal, while OP pectin was hydrolysed to generate a Gal-rich mixture. Overall, BaX has good potential for separating Ara from Ara-rich hydrolysates containing several different sugars. It is also suited for separating Ara and another monosaccharide such as Gal or Xyl in the absence of other sugars.","PeriodicalId":9172,"journal":{"name":"Bioresources","volume":"17 3","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139007365","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of drying schedules on the drying time and quality of Dendrocalamus barbatus bamboo using solar energy integrated with steam heated source 利用太阳能和蒸汽加热源对竹子干燥时间和质量的影响
IF 1.5 4区 农林科学
Bioresources Pub Date : 2023-12-12 DOI: 10.15376/biores.19.1.917-924
Bao Ngoc Nguyen, Duy Ngoc Bui, Tien Manh Ha, Trong Tuan Nguyen, Thi Hang Nguyen
{"title":"Effect of drying schedules on the drying time and quality of Dendrocalamus barbatus bamboo using solar energy integrated with steam heated source","authors":"Bao Ngoc Nguyen, Duy Ngoc Bui, Tien Manh Ha, Trong Tuan Nguyen, Thi Hang Nguyen","doi":"10.15376/biores.19.1.917-924","DOIUrl":"https://doi.org/10.15376/biores.19.1.917-924","url":null,"abstract":"Bamboo is recognized as a promising material. It is widely distributed in Vietnam. Bamboo products are quite diverse. However, bamboo materials have been primarily air-dried in open locations. Thus, the bamboo does not achieve the required moisture contents for use in certain products. This can lead to easily being infected by fungi, especially molds that affect the quality of the bamboo’s products. To date, bamboo drying using solar energy integrated with a steam-heated source has not been studied. This study investigated the effect of drying schedules on the drying time and quality of Dendrocalamus barbatus bamboos in “culm” and “strip” forms using solar energy integrated with steam-heated source. Higher temperatures yielded faster drying times, but they also created more drying defects in the bamboo because of the drying gradient being higher. However, depending on the manufacturer’s requirements, the drying schedule No. 1 (40 °C to 60 °C) or No. 2 (50 °C to 70 °C) can be used for drying the bamboo culms. In relation to the bamboo strips, drying schedule No. 3 (60 to 80 °C) is recommended because it was the shortest drying time and had a low defect rate (9%).","PeriodicalId":9172,"journal":{"name":"Bioresources","volume":"23 15","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138977062","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Green mediator for selenium nanoparticles synthesis with antimicrobial activity and plant biostimulant properties under heavy metal stress 在重金属胁迫下合成具有抗菌活性和植物生物刺激特性的硒纳米粒子的绿色介质
IF 1.5 4区 农林科学
Bioresources Pub Date : 2023-12-12 DOI: 10.15376/biores.19.1.898-916
M. Alghonaim, Sulaiman A. Alsalamah, Yahya Ali, Tarek M. Abdelghany
{"title":"Green mediator for selenium nanoparticles synthesis with antimicrobial activity and plant biostimulant properties under heavy metal stress","authors":"M. Alghonaim, Sulaiman A. Alsalamah, Yahya Ali, Tarek M. Abdelghany","doi":"10.15376/biores.19.1.898-916","DOIUrl":"https://doi.org/10.15376/biores.19.1.898-916","url":null,"abstract":"Nanotechnology is a valuable strategy for managing a number of medicinal, agricultural, and environmental concerns. Cocculus pendulus was used for selenium nanoparticles (SeNPs) synthesis to evaluate their usage for microbial inhibition and to enhance plant resistance to heavy metals. Mono-dispersed, spherical shape, and mean diameter (36.19 nm) of SeNPs were documented. More inhibitory potential was associated with SeNPs with inhibition zones of 38±0.3, 18±0.2, 18±0.1, 31±0.2, and 27±0.1 mm than extract of C. pendulus against B. subtilis, S. aureus, E. coli, K. pneumoniae, and C. albicans, respectively. SeNPs had successfully scavenged the free radicals of 2,2-diphenyl-1-picrylhydrazyl (DPPH) with lower IC50 (inhibitory concentration that inhibit 50% of DPPH) value (10.31 µg/mL) than that of C. pendulus extract (55.54 µg/mL). The effect of C. pendulus extract (200 mg/kg soil) alone or in combination with SeNPs (15 mg/kg soil of SeNPs) as a soil drench on shoot, root lengths, plant pigments, lead and cadmium contents of Corchorus olitorius under lead and cadmium stress (5 mg/L) was investigated. The pigments quantity and plant growth were decreased by cadmium and lead poisoning. Application of C. pendulus extracts or SeNPs decreased the Pb and Cd concentrations and improved the growth and metabolites of Corchorus olitorius plants.","PeriodicalId":9172,"journal":{"name":"Bioresources","volume":"53 14","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139006977","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Exploring polyphenols extraction from Thuja occidentalis L. bark: Optimization, phytochemical profiling, and biological evaluation 探索从西洋杉树皮中提取多酚:优化、植物化学成分分析和生物学评价
IF 1.5 4区 农林科学
Bioresources Pub Date : 2023-12-11 DOI: 10.15376/biores.19.1.842-857
N. Coman, Mihai Babotă, Ingrid Nădășan, Rideg Lucian, Ruxandra Ștefănescu, Oleg Frumuzachi, A. Mocan, Alexandru Nicolescu, C. Tanase
{"title":"Exploring polyphenols extraction from Thuja occidentalis L. bark: Optimization, phytochemical profiling, and biological evaluation","authors":"N. Coman, Mihai Babotă, Ingrid Nădășan, Rideg Lucian, Ruxandra Ștefănescu, Oleg Frumuzachi, A. Mocan, Alexandru Nicolescu, C. Tanase","doi":"10.15376/biores.19.1.842-857","DOIUrl":"https://doi.org/10.15376/biores.19.1.842-857","url":null,"abstract":"Polyphenols were extracted from Thuja occidentalis L. bark and characterized in terms of phytochemical composition and biological activity. The optimization process investigated the impacts of extraction duration, ultrasound amplitude, and ethanol concentration on the total phenolic content in the extract. The antioxidant capacity was examined using DPPH and ABTS assays, and anti-enzyme activity against alpha-glucosidase, alpha-amylase, lipase, acetylcholinesterase, and tyrosinase was determined. The experimental model revealed optimal extraction parameters: a hydroethanolic solvent with 44% v:v ethanol, a 15-minute extraction time, and a 40% ultrasound amplitude. These parameters were validated and confirmed by reaching the target Total Phenolic Content (TPC) predicted by MODDE software. The resulting lyophilized extract exhibited a high polyphenolic content (161.84 ± 23.48 mg GAE/g dry extract) and demonstrated strong antioxidant properties. Notably, it showed significant inhibition of alpha-glucosidase and alpha-amylase, suggesting potential antidiabetic effects, though its inhibition of tyrosinase activity was relatively weak. These findings provide a foundation for further investigations to confirm the qualitative and quantitative presence of specific polyphenolic metabolites in the extract and elucidate the mechanisms underlying its bioactive properties.","PeriodicalId":9172,"journal":{"name":"Bioresources","volume":"1 6","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138979882","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Species and deterioration of woods used in a traditional Turkish house 土耳其传统房屋所用木材的品种和老化情况
IF 1.5 4区 农林科学
Bioresources Pub Date : 2023-12-11 DOI: 10.15376/biores.19.1.872-885
K. T. Hizal
{"title":"Species and deterioration of woods used in a traditional Turkish house","authors":"K. T. Hizal","doi":"10.15376/biores.19.1.872-885","DOIUrl":"https://doi.org/10.15376/biores.19.1.872-885","url":null,"abstract":"This study identified the wood species and evaluated the weathering and biological degradation of historical timber from a traditional Turkish house in Konuralp, Türkiye. The wood material was obtained from the floorboards, window frames, cabinets, cripple studs, ceiling boards, and joists. The species were identified as Pinus spp. for the cabinet, window frame, and cripple stud, Abies spp. for the floorboards, Populus spp. for the ceiling boards, and Quercus spp. for the joist. The macroscopic observation revealed multiple types of degradation caused by weathering, fungi, and insect attacks. The cripple studs made of pine and the floorboards made of fir had become completely unusable due to insect damage. Relatively less biological damage was observed on the cabinet made of pine wood and the ceiling boards made of poplar wood.","PeriodicalId":9172,"journal":{"name":"Bioresources","volume":"20 3-4","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138980301","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Affective response difference to the viewing of different styles of solid wood furniture based on Kansei engineering 基于康采恩工程学的不同风格实木家具观赏时的情感反应差异
IF 1.5 4区 农林科学
Bioresources Pub Date : 2023-12-11 DOI: 10.15376/biores.19.1.805-822
Qiuli Lin, Jun Cai, Yisi Xue
{"title":"Affective response difference to the viewing of different styles of solid wood furniture based on Kansei engineering","authors":"Qiuli Lin, Jun Cai, Yisi Xue","doi":"10.15376/biores.19.1.805-822","DOIUrl":"https://doi.org/10.15376/biores.19.1.805-822","url":null,"abstract":"Homogeneity of products is a serious problem in China’s solid wood furniture market, especially reflected in the fact that the furniture form cannot meet the individualized demand of consumers. To explore the differences of consumers’ affective response for different styles of solid wood furniture, this study used Kansei engineering to perform perceptual semantic experiments on Ming-style, Qing-style, and modern Chinese-style furniture. The perceptual images of three styles of solid wood chairs were compared by single factor variance. Additionally, it deconstructed the morphological elements of solid wood seats using morphological analysis and established a mapping model between morphological elements and affective response by quantification theory type-I and multivariable linear regression model. The results show that there are differences in affective response between Ming-style, Qing-style, and modern Chinese style solid wood furniture. Qing-style solid wood furniture tends to be “ornate” and “personalized”. Modern Chinese-style solid wood furniture tends to be “modern” and “streamlined”, Ming-style solid wood furniture is in between the two styles. This study can provide furniture designers with a way to compare the differences in affective responses of different products, and the resulting relationship between affective responses and morphological elements can assist in designing products.","PeriodicalId":9172,"journal":{"name":"Bioresources","volume":"11 6","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138979387","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluating the therapeutic importance of gold nanoparticles formed by the biogenic synthesis route of Madhuca longifolia reduction 评估通过马杜鹃还原生物合成途径形成的金纳米粒子的治疗重要性
IF 1.5 4区 农林科学
Bioresources Pub Date : 2023-12-11 DOI: 10.15376/biores.19.1.823-841
M. Dhayalan, Sheikdawood Parveen, Sathiyapriya Thirumalaisamy, Faruq Mohammad, H. Al-Lohedan, Savaas Umar Mohammed Riyaz, Rakshi Anuja Dinesh, Jayant Giri, A. Stalin, G. Rajasekhar Reddy, Natarajan Anandakumar, Saurav Mallik
{"title":"Evaluating the therapeutic importance of gold nanoparticles formed by the biogenic synthesis route of Madhuca longifolia reduction","authors":"M. Dhayalan, Sheikdawood Parveen, Sathiyapriya Thirumalaisamy, Faruq Mohammad, H. Al-Lohedan, Savaas Umar Mohammed Riyaz, Rakshi Anuja Dinesh, Jayant Giri, A. Stalin, G. Rajasekhar Reddy, Natarajan Anandakumar, Saurav Mallik","doi":"10.15376/biores.19.1.823-841","DOIUrl":"https://doi.org/10.15376/biores.19.1.823-841","url":null,"abstract":"Herbal plants have been used, in light of their responsiveness and wide availability, for the construction of a pioneering nanomaterial. In this study, a colloidal suspension of gold nanoparticles (GNPs) was synthesized from an extract of Madhuca longifolia (ML) using chloroauric acid. For biomedical applications, Madhuca longifolia (ML) was used as a bioreductant as well as a capping agent The formed ML-GNPs were analyzed using different analytical techniques, antioxidant assays, and thiazolyl blue formazan assay against A549 cell lines to evaluate clinical relevance. They were further evaluated for their influence on antimicrobial activity using a disc diffusion test against two different microorganisms, Proteus vulgaris and Micrococcus luteus. The ML-GNPs produced had good antioxidant, antibacterial, and anticancer activities. The conformation of the XRD spectra with prominent characteristic planes was indexed to the face-centered cubic (fcc)-structured GNPs. Surface morphology analysis was used to determine the particle size of the GNPs. Fourier transform infrared spectra of the samples were used to determine the analogs for strong H bonding. The MIC values of biogenic GNPs against both strains of Proteus vulgaris and Micrococcus luteus was calculated as 0.29 and 0.96 g/mL, respectively, and triclosan was considered as 0.4 and 2 g/mL, respectively. The findings of this study will be beneficial for future studies of the therapeutic potential of ML-GNPs. Actively, ML-GNPs can be a capable material for formulating nanomedicines after subsequent clinical experiments.","PeriodicalId":9172,"journal":{"name":"Bioresources","volume":"15 50","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138980936","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Frictional properties of red pine cones harvested under different conditions 在不同条件下收获的红松球果的摩擦特性
IF 1.5 4区 农林科学
Bioresources Pub Date : 2023-12-08 DOI: 10.15376/biores.19.1.766-788
Yunze Ren, Chi Teng, Tong Gao, Ying Zhang, Hui Liu, Xibin Dong
{"title":"Frictional properties of red pine cones harvested under different conditions","authors":"Yunze Ren, Chi Teng, Tong Gao, Ying Zhang, Hui Liu, Xibin Dong","doi":"10.15376/biores.19.1.766-788","DOIUrl":"https://doi.org/10.15376/biores.19.1.766-788","url":null,"abstract":"The climbing of trees to pick pinecones is a high-risk exercise. In this study, a mechanical gripper jaw was designed. Frictional characteristics between the pinecones and the mechanical gripper jaw during pinecone picking under different conditions were investigated using a workbench simulation, homemade inclined friction meter, and mass tester. Three-level orthogonal and one-factor tests were conducted. The relationship between the water content and friction properties and between the water content and hardness were investigated, and conclusions were drawn on how water content affected friction properties by influencing hardness. The results showed that the contact material greatly affected the friction properties. The pinecone water content was maintained between 24% and 28% to ensure that the coefficient of friction was maximized and that the pinecones were sufficiently hard to dislodge. Additionally, a prototype machine was used to perform pinecone-gripping experiments to validate the experimental and simulation results. Consequently, the results of this study provide a useful reference for the structural design of pinecone picking robots and the picking reason.","PeriodicalId":9172,"journal":{"name":"Bioresources","volume":"179 ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139010892","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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