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color; hardness; noodles; refrigeration; starch; storage quality; storage temperature; storage time; water content; water uptake
Abstract:
... Wet starch noodle (moisture content: 51.38 ± 1.29%) as a retrograded starch-gel product was produced on an industrial scale and investigated to learn the role of long-term storage and storage temperature in its water characteristics, physicochemical properties, sensorial properties and structure changes. During twelve weeks' storage, moisture content, hardness, water absorption index, brightness, ...
... Hyperuricemia is a known risk factor for cardiovascular diseases, but little is known on whether the association between hyperuricemia and poor outcomes in ST-segment elevation myocardial infarction (STEMI) is modified by low-density lipoprotein cholesterol (LDL-c). This study aimed to investigate the effect of the interaction between hyperuricemia and LDL-c on the risk of 1-year post-discharge al ...
RNA-directed DNA polymerase; Scurrula; Tecoma stans; anti-inflammatory activity; freeze drying; gene expression; herbal medicines; inflammation; interleukin-10; interleukin-6; lipopolysaccharides; macrophages; prostaglandin synthase; protein synthesis; rheumatoid arthritis; shrubs; stroke; traditional medicine; tumor necrosis factor-alpha; China; Malaysia
Abstract:
... Scurrula ferruginea (Jack) Danser (locally known as ‘Dedalu’ or ‘dian nan ji sheng’ in Malaysia and China) is a hemi-parasitic shrub that is widely used as herbal medicine to treat inflammation, rheumatism, and stroke. However, the scientific basis of its anti-inflammatory function and mechanism remain to be proven.Aim of the study: To evaluate the anti-inflammatory activity as well as the prelimi ...
ascorbic acid; biomass; deficit irrigation; field capacity; fruit quality; fruiting; fruits; irrigation management; leaves; potassium; titratable acidity; tomatoes
Abstract:
... A pot experiment was conducted to investigate the effect of potassium (K) fertilization on tomato quality, plant K uptake, water and K use efficiency (WUE and KUE) under deficit irrigation regime. During fruit development stage of the first cluster of fruit, irrigation regimes were comprised of three levels, i.e. 80–90% field capacity (θf) (W1), 70–80% θf (W2) and 60–70% θf (W3); and K fertilizati ...
... Compared with the use of monocultures in the field, cultivation of medicinal herbs in forests is an effective strategy to alleviate disease. Chemical interactions between herbs and trees play an important role in disease suppression in forests. We evaluated the ability of leachates from needles of Pinus armandii to induce resistance in Panax notoginseng leaves, identified the components via gas ch ...
agriculture; agroindustrial byproducts; detection limit; immunoaffinity chromatography; ochratoxin A; tandem mass spectrometry; toxicity; China
Abstract:
... BACKGROUND: The toxicity and health risks of mycotoxins have encouraged increased awareness and strict monitoring of these contaminants in agricultural by‐products. In this paper, we developed and tested a sensitive, selective, and self‐assembling immunochromatographic (IC) strip for on‐site detection of ochratoxin A (OTA). We were able to demonstrate semi‐quantitative and quantitative detection o ...
absorption; antigens; blood serum; detection limit; early diagnosis; fluorescence; nanorods
Abstract:
... The level of carcinoembryonic antigen (CEA) in serum has the significant reference value for early diagnosis and treatment of various cancers. However, the CEA detection still suffers from the issue of limited sensitivity and reliability. Herein, a fluorescence (FL)-infrared absorption (IRA) dual-mode nanoprobe was fabricated based on carbon dots (CDs)@SiO₂ nanorod for CEA detection. The FL and IR ...
... Solar desalination is an environment-friendly and sustainable technology to address the shortage of freshwater resources. However, it still faces huge challenges to develop a salt-rejection solar desalination system with continuous high efficiency. Herein, an electrospun nanofiber mat was fabricated for continuously high-efficiency solar desalination with carbon nanotube as a photothermal material ...
... INTRODUCTION: Scurrula ferruginea (Jack) Danser is a hemi‐parasitic shrub that is widely used as a traditional herbal medicine. OBJECTIVES: To elucidate the anti‐inflammatory activity of S. ferruginea parasitising on three different hosts of Vitex negundo L., Micromelum minutum (G. Forst.) Wight & Arn. and Tecoma stans (L.) Juss ex HBK., as well as, to determine the metabolite differences related ...
... Detection of cancer biomarkers is crucial for the diagnosis and monitoring of malignant tumors. However, the accuracy and sensitivity still require sufficient improvement for practically clinical application. In this work, a reliable and sensitive dual-mode immunosensing method is described for carcinoembryonic antigen (CEA) detection using a biofunctional ZnO@SiO₂ nanocomposite as a resonance Ram ...
... Maidong (Ophiopogon japonicus) is a perennial evergreen plant of the Asparagaceae, occurring mainly in China, Japan, Vietnam, and India. It grows in the damp places on the hillside below 2,000 m above sea level, under the forest or beside the stream. It has been widely cultivated in Sichuan Province of China for medicinal uses, and it is included in the Chinese pharmacopoeia. During April 2019, ma ...
algorithms; case studies; process design; process monitoring; statistical analysis
Abstract:
... By integrating two powerful methods of density reduction and intrinsic dimensionality estimation, a new data-driven method, referred to as OLPP–MLE (orthogonal locality preserving projection-maximum likelihood estimation), is introduced for process monitoring. OLPP is utilized for dimensionality reduction, which provides better locality preserving power than locality preserving projection. Then, t ...
... Yunmuxiang (Aucklandia lappa) is a tall, perennial herbaceous plant in the Compositae family, occurring mainly in Asia and Europe. Yunmuxiang originated in India and was introduced into China in approximately 1940. Since then, it has been widely cultivated in the southwest region of China for medicinal uses; it is included in the Chinese pharmacopoeia. Yunmuxiang is used primarily as a sedative, i ...
Armadillidium vulgare; Nematoda; X-ray diffraction; cycloaddition reactions; esterification; glycerol; mass spectrometry; models; nuclear magnetic resonance spectroscopy; solid state culture
Abstract:
... The solid-state cultivation of Acaulium sp. H-JQSF isolated from Armadillidium vulgare produces acautalides A–C (1–3) as skeletally unprecedented Diels–Alder adducts of a 14-membered macrodiolide to an octadeca-9,11,13-trienoic acid. The acautalide structures, along with the intramolecular transesterifications of 1-acylglycerols, were elucidated by mass spectrometry, nuclear magnetic resonance, ch ...
... In this work, the adoption of n-octadecylamine (ODA) functionalized magnetic carbon nanotube porous nanocomposite (M-CNTs/ODA) as cleanup agents for a modified QuEChERS method to detect pesticide residues was investigated for the first time. The properties and morphology of the M-CNTs/ODA were characterized by transmission electron microscopy, vibrating sample magnetometer and X-ray diffraction. T ...
Crataegus pinnatifida; Oriental traditional medicine; biosynthesis; flavonols; leaves; lignin; markets; mass spectrometry; metabolites; metabolomics; models; ultra-performance liquid chromatography; China
Abstract:
... The quality evaluation of hawthorn leaves in different geographical regions derived from the dried leaves of Crataegus pinnatifida Bge. Var. Major N.E.Br. or Crataegus pinnatifida Bge., a common blood-activating and stasis-eliminating traditional Chinese medicine, has hardly been reported. In this study, the chemical comparison of 40 batches of hawthorn leaf samples collected from Hebei, Liaoning, ...
... Tyramine signal amplification (TSA), the excellent signal amplification strategy, has the potential to improve the sensitivities of analytes analysis. In this work, the sensitivity of enzyme-linked immunosorbent assays (ELISA) has significantly improved by coupling TSA system and further biotin-streptavidin (BSA) system. Thus, a sensitive TSA-ELISA based on TSA was developed for detecting aflatoxi ...
... As a highly toxic and widely used chemical, phosgene has become a serious threat to humankind and public security because of its potential use by terrorists and unexpected release during industrial accidents. For this reason, it is an urgent need to develop facile, fast, and selective detection methods of phosgene. In this Article, we have constructed a highly selective fluorescent sensor o-Pab fo ...
XiaHong-ming, et al. ; Wu Zhuan-di; Hu Xin; Zan Feng-gang; Pan Yong Bao; Burner David M.; Luo Zheng-ying; Liu Jia-yong; Zhao Li-ping; Yao Li; Zhao Yong; Liu Xin-long; Yang Kun; Zhao Jun; Zhao Pei-fang; Qin Wei; Chen Xue-kuan; Wu Cai-wen; Show all 18 Authors
... The transient gene expression of protoplasts in plant is a considerable tool for gene functional research that has been widely used in gene analysis and functional characterization. Therefore, the objectives of this study were to develop a protocol for the isolation and purification of sugarcane protoplasts (Saccharum spp. hybrids), conduct transient PEG-mediated protoplast transfection with D27, ...
... Cultivation of medicinal crops, which synthesize hundreds of substances for curative functions, was focused on the synthesis of secondary metabolites rather than biomass accumulation. Nutrition is an important restrict factor for plant growth and secondary metabolites, but little attention has been given to the plasticity of nutrient uptake and secondary metabolites synthesis response to soil nitr ...
... The potential homogeneous assay employing immunomagnetic beads (IMB) has been receiving attention as a screening tool in food-safety control; the method is simple, efficient, and does not require long incubation times or complex separation steps. In this study, a homogeneous immunoassay has been successfully developed and applied in the determination of aflatoxin B₁ (AFB₁) contamination in agricul ...
... A reliable and inexpensive pretreatment procedure in the determination of β2-agonists in pork was developped. The procedure used a nanocomposite of multiwalled carbon nanotubes (CNTs) functionalized with graphene (rGO) as the reversed dispersive sorbent. It was analyzed after purification by high-performance liquid chromatography, the extraction time and the properties of the nanocomposite were op ...
... The plastidic glutamine synthetase isoform (GS2) plays a key role in nitrogen (N) assimilation. We introduced TaGS2‐2Abpro::TaGS2‐2Ab, the favourable allele of TaGS2‐2A in the winter wheat (Triticum aestivum) variety Ji5265. Transgenic expression of TaGS2‐2Ab significantly increased GS2 abundance and GS activity in leaves. Two consecutive field experiments showed the transgenic lines had higher gr ...
XiaHong, et al. ; Jingfeng Song; Zhiyong Xiao; Bo Chen; Spencer Prockish; Xuegang Chen; Anil Rajapitamahuni; Le Zhang; Jinsong Huang; Show all 9 Authors
films (materials); gold; indium tin oxide; microscopy; screening
Abstract:
... We report a more than 10-fold enhancement of the piezoelectric coefficient d₃₃ of polycrystalline CH₃NH₃PbI₃ (MAPbI₃) films when interfacing them with ferroelectric PbZr₀.₂Ti₀.₈O₃ (PZT). Piezoresponse force microscopy (PFM) studies reveal d33MAPbI3 values of 0.3–0.4 pm/V for MAPbI₃ deposited on Au, indium tin oxide, and SrTiO₃ surfaces, with small phase angle fluctuating at length scales smaller t ...
... Investigating the evolution of the hierarchical crystalline structure in the injection-molded polymer is instructive to better understand the process–structure relationship, which is critical for the design and manufacture of polymeric products with high performance. A nondestructive and quantitative method based on small-angle X-ray scattering microtomography (SAXS-CT) was developed to reveal the ...
... Silica nanorods were synthesized through a simple one-pot emulsion-droplet-based growth method, in which tetraethylorthosilicate (TEOS) was used as the silica source, ammonia as the catalyst, and polyvinylpyrrolidone (PVP) as the structure-directing agent and stabilizer. By controlling hydrolysis and condensation in the reaction process, we regulated the aspect ratios and the infrared (IR) absorpt ...
... Highly sensitive, specific, and selective immunoassays are of great significance for not only clinical diagnostics but also food safety, environmental monitoring, and so on. Enzyme-linked immunosorbent assays and fluorescence-based and electrochemical immunoassays are important intensively investigated immunoassay techniques. However, they might suffer from low sensitivity or false-positive result ...
chemical structure; cycloaddition reactions; quinoline
Abstract:
... Synthesis of 2-alkenylquinoline by reductive olefination of quinoline N-oxide under metal-free conditions is disclosed. Practically, the reaction could be performed with quinoline as starting material via a one-pot, two-step process. A possible mechanism is proposed that involves a sequential 1,3-dipolar cycloaddition and acid-assisted ring opening followed by a dehydration process. ...
... Lanthanide ions, the excellent fluorescence markers, have the potential to simplify the performance of multi-analytes analysis. In this work, a powerful time-resolved fluoroimmunoassay (TRFIA) based on dual-labeled format were performed for detecting clenbuterol and salbutamol simultaneously in water and swine feed samples. Europium (Eu3+)-labeled goat anti-mouse IgG and Samarium (Sm3+)-labeled go ...
... A facile approach to synthesize 3D SnO₂/nitrogen-doped graphene aerogels (SNGA) was developed. By using ethylenediamine (EDA) as nitrogen source, combined with hydrothermal-induced reduction and self-assembly, the reduction of graphene oxide (GO) to graphene, the uniform in situ deposition of SnO₂ nano-particles on graphene, the nitrogen-doping of graphene, and the self-assembly of graphene to 3D ...
... Chitin exists abundantly in crab and shrimp shells as the template of the minerals, which inspired us to mineralize it for fabricating bone grafting materials. In the present work, chitin nanofibrous microspheres were used as the matrix for in situ synthesis of hydroxyapatite (HA) crystals including microflakes, submicron-needles, and submicron-spheres, which were penetrated by long chitin nanofib ...
XiaHong, et al. ; He Meng; Wang Xiaolan; Wang Zhenggang; Chen Lingyun; Lu Yao; Zhang Xinjiang; Li Mei; Liu Zhongming; Zhang Yu; Zhang Lina; Show all 11 Authors
... Biodegradable plastics are urgently needed in the biomedical field to avoid the secondary surgery for implants after completing the repair of nonload bearing bone defects. Herein, novel chitin based plastics were successfully fabricated by changing the shape and aggregation state structure of chitin hydrogels through drying under a negative pressure, which led to a plastic deformation. The chitin ...
adhesion; bone marrow; coculture; exosomes; leukemia; microRNA; research
Abstract:
... A failure of bone marrow mesenchymal stem cells (BM-MSCs) to adhere to hematopoietic cells is an essential cause of the progression of chronic myelogenous leukemia and is also a cause of failure of bone marrow (BM) transplantation, but the exact mechanisms of this have not been fully elucidated. Recent studies have indicated that microRNAs (miRNAs) are contained in leukemia-derived exosomes and ar ...
... DNA polymorphism exerts a fascination on a large scientific community. Without crystallographic structural data, clarification of the binding modes between G-quadruplex (G4) and ligand (complex) is a challenging job. In the present work, three porphyrin compounds with different flexible carbon chains (arms) were designed, synthesized and characterized. Their binding, folding and stabilizing abilit ...
antineoplastic agents; drug design; human cell lines; inhibitory concentration 50; iron oxides; irradiation; light; magnetic fields; nanoparticles; nanospheres; neoplasms; pH; photosensitivity; porphyrins
Abstract:
... The synthesis and characterization of carboxyl-functionalized superparamagnetic iron oxide nanoparticles (SPION)-attached cationic porphyrins with different positive charges (porphyrin@SPION) are described as pH-sensitive, multifunctional photosensitization. These nanospheres exhibit excellent targeted cell accumulation under external magnetic field and outstanding cell photocytotoxicity in weak a ...
... Twelve new A,D-seco-limonoids, clauemargines A–L (1–12), and three known analogues were isolated from the stems of Clausena emarginata. The absolute configurations of 1 and 5 were confirmed by X-ray crystallography and ECD spectroscopy, respectively. Compounds 1, 2, 8–10, and 13 showed moderate inhibitory effects on LPS-induced NO production (IC₅₀ values < 10 μM). ...
... Diallyl disulfide (DADS) has been shown to cause G2/M phase cell cycle arrest in several human cancers. Here we demonstrate a mechanism by which DADS induces G2/M phase arrest in BGC823 human gastric cancer cells via Chk1. From cell cycle gene array results, we next confirmed that cyclin B1 expression was decreased by DADS, while the expression of p21, GADD45α and p53 were increased. Despite the l ...
... A durable superhydrophobic surface with low water sliding angle (SA) and high water contact angle (CA) was obtained by electrospinning poly (vinylidene fluoride) (PVDF) which was mixed with epoxy–siloxane modified SiO₂ nanoparticles. To increase the roughness, modified SiO₂ nanoparticles were introduced into PVDF precursor solution. Then in the electrospinning process, nano-sized SiO₂ particles ir ...
3-hydroxybutyric acid; Penicillium; agarose; ammonium sulfate; carbon; chromatography; culture media; enzyme activity; filtration; mass spectrometry; metal ions; molecular weight; mutagenesis; mutants; pH; polyacrylamide gel electrophoresis; temperature
Abstract:
... Penicillium sp. DS9713a-01 was obtained by ultraviolet (u.v.) light mutagenesis from the Penicillium sp. DS9713a which can degrade poly (3-hydroxybutyrate) (PHB). The enzymatic activity of DS9713a-01 was 97% higher than that of the wild-type strain. The DS9713a-01 mutant could completely degrade PHB films in 5 days; however, the wild-type strain achieved only 61% at the same time. The extracellula ...
... Exposure to fenvalerate has been shown to be associated with decreased steroid hormone production by mouse Leydig tumor cells (MLTC-1) in our previous study and the interference with cAMP–PKA pathway cannot explain this inhibitory effect completely. In this study, the same cell line was used to investigate the potential involvement of insulin-like growth factor I (IGF-I) signaling pathway in the d ...
XiaHong, et al. ; Xin ZhangX. X. and XZ. Z. are responsible for preparing the NiCo2O4 films and the magnetic characterization. Y. Y. and X. J. are responsible for depositing the Fe{H2B(pz)2}2(bipy)] films. X. C. and X. H. prepared the LSMO film. XAS measurements were done by X. Z. and A. T. N. with analysis by X. Z. and P. A. D. The manuscript was written through contributions of all authors. All authors have given approval to the final version of the manuscript.; Alpha T. N'Diaye; Xuanyuan Jiang; Xiaozhe Zhang; Yuewei Yin; Xuegang Chen; Xiaoshan Xu; Peter A. Dowben; Show all 9 Authors
X-radiation; ambient temperature; chemical reactions; iron; magnetism
Abstract:
... Room temperature isothermal reversible spin crossover switching of [Fe(H₂B(pz)₂)₂(bipy)] thin films is demonstrated. The magnetic oxide substrate locks the [Fe{H₂B(pz)₂}₂(bipy)] largely in a low spin state. With an X-ray fluence, excitation to a high spin state occurs, while relaxation back to low spin state is aided by alternating the substrate magnetization. ...
chemical reactions; gold; nanocrystals; nanogold; photoluminescence
Abstract:
... Unique nanostructure materials with highly ordered spherical aggregates have been obtained by self-organization of single CdTe nanocrystals using gold nanoparticles as seeds, and a red shift of the photoluminescence peak was observed. ...
chemical reactions; cysteine; ligands; nanorods; photoluminescence; water solubility
Abstract:
... Highly luminescent water-soluble CdTe nanorods were prepared with the assistance of the mixed ligand system of cysteine and thioglycolic acid; the aspect ratio and photoluminescence of the CdTe nanorods could be controlled by the refluxing time. ...