Search results for: Guoyan Liu

Items from 1 to 20 out of 39 results

article

Extraction of Lentinus Edodes Polysaccharides with Ultrasound Enhanced with Deep Eutectic Solvent and Their Structural Characterization and Antioxidant Activity

Jixian Zhang, Xinglin Zeng, Guoyan Liu, Chaoting Wen, more

Chemistry & Biodiversity > 21 > 6 > n/a - n/a

Ultrasound extraction (UE) enhanced with deep eutectic solvent (DES) was used to extract Lentinus edodes polysaccharides. Box‐Behnken design (BBD) was applied to investigate the influences of water content (10–90 %), solid‐liquid solvent (1 : 10–1 : 50 g/mL), time (4–12 min), temperature (40–80 °C) and ultrasonic power (100–500 W) on the yield of Lentinus edodes polysaccharides. The optimal extraction...

article

A novel reverse perilesional home phototherapy can promote the repigmentation of vitiligo patches with complete leukotrichia: A 12‐week, open‐label, double‐arm, multicenter, randomized clinical trial

Na Lei, Xuechen Cao, Yifei Feng, Guoyan Liu, more

Photodermatology, Photoimmunology & Photomedicine > 40 > 3 > n/a - n/a

Background/Purpose Existing phototherapies are ineffective for treating patients with vitiligo with complete leukotrichia. We compared the efficacy of reverse perilesional irradiation, during which only the lesional areas are covered, with conventional narrowband ultraviolet B (NB‐UVB) home phototherapy for repigmentation of non‐segmental vitiligo in patients with complete leukotrichia. Methods...

article

Basophil activation test in diagnosis of immediate hypersensitivity reactions to IL‐17A inhibitors

Qing Zhao, Tingting Liu, Lele Sun, Monday Ogaba Ogese, more

Journal of the European Academy of Dermatology and Venereology > 38 > 5 > e404 - e406

article

Establishment and Verification of a Predictive Nomogram for New Vertebral Compression Fracture Occurring after Bone Cement Injection in Middle‐Aged and Elderly Patients with Vertebral Compression Fracture

Wenxin Gao, Yungang Chen, Xiaoying Wang, Guoyan Liu, more

Orthopaedic Surgery > 15 > 4 > 961 - 972

Objective New vertebral compression fracture (NVCF) occurring after bone cement injection in middle‐aged and elderly patients with vertebral compression fracture is very common. Preoperative baseline characteristics and surgical treatment parameters have been widely studied as a risk factor, but the importance of the patients' laboratory indicators has not been thoroughly explored. We aimed to explore...

article

Physicochemical, functional, and digestive characteristics of tea seed cake protein obtained by ultrafiltration

Li Liang, Yali Xiao, Jixian Zhang, Xiaofang Liu, more

Journal of Food Science > 87 > 10 > 4522 - 4537

Abstract To make full use of tea seed cake protein (TSCP), this study investigated the physicochemical and functional properties of TSCP, including the TSCP extract and three ultrafiltration fractions TSCP‐1 (Mw > 10 kDa), TSCP‐2 (3.5 kDa < Mw < 10 kDa), and TSCP‐3 (Mw < 3.5 kDa). After ultrafiltration, the content, thermal stability, and surface hydrophobicity of TSCP were increased,...

article

Optimization of the Refining Process for Removing Benzo(a)pyrene and Improving the Quality of Tea Seed Oil

Xiaofang Liu, Zhenfang Zhang, Mengyu Shen, Yinyin Wu, more

European Journal of Lipid Science and Technology > 124 > 2 > n/a - n/a

To reduce the contamination of benzo(a)pyrene (BaP) in refined oil during processing, the degumming, deacidification, decolorization, and deodorization processes are optimized to remove BaP and improve the quality of tea seed oil. The results show that decolorization is the most obvious refining process of removing BaP, which is mainly due to the addition of activated carbon and decolorization time...

article

Interactions between dietary fiber and ferulic acid change the aggregation of glutenin, gliadin and glutenin macropolymer in wheat flour system

Yulin Feng, Huijuan Zhang, Bingbing Fu, Maryam Iftikhar, more

Journal of the Science of Food and Agriculture > 101 > 5 > 1979 - 1988

BACKGROUND Glutenin macropolymer (GMP), glutenin and gliadin proteins are important indicators of the baking quality of dough. This study investigated the impacts of wheat bran and a mixture of ferulic acid (FA) and dietary fiber (DF) on the constitution of gluten proteins. Addition of wheat bran (100 and 150 g kg⁻¹) into gluten decreased the gliadin/glutenin ratio, while the addition of different...

article

Relationship between age at menarche and chromosome numerical abnormalities in chorionic villus among missed abortions: A cross‐sectional study of 459 women in China

Lu Zhao, Hua Yang, Guoyan Liu

Journal of Obstetrics and Gynaecology Research > 46 > 12 > 2582 - 2589

Aims To assess the relationship between age at menarche and the numerical abnormalities of chorionic villi chromosomes in patients with missed abortion. Methods Unexplained miscarriage patients were admitted to an outpatient clinic in Tianjin Central Hospital of Gynecology Obstetrics, China. Embryonic villi tissues were collected aseptically after curettage. Chromosome analysis was performed subsequently...

article

Optical coherence tomography image denoising using a generative adversarial network with speckle modulation

Zhao Dong, Guoyan Liu, Guangming Ni, Jason Jerwick, more

Journal of Biophotonics > 13 > 4 > n/a - n/a

Optical coherence tomography (OCT) is widely used for biomedical imaging and clinical diagnosis. However, speckle noise is a key factor affecting OCT image quality. Here, we developed a custom generative adversarial network (GAN) to denoise OCT images. A speckle‐modulating OCT (SM‐OCT) was built to generate low speckle images to be used as the ground truth. In total, 210 000 SM‐OCT images were used...

article

Incarceration of the gravid uterus: a case report and literature review

Cha Han, Chen Wang, Lulu Han, Guoyan Liu, more

BMC Pregnancy and Childbirth > 2019 > 19 > 1 > 1-7

Background Incarceration of the gravid uterus is a rare obstetric disorder that contributes to pregnancy-related complications. To understand its clinical characteristics and managements, we have reviewed the etiology, risk factors, clinical characteristics and current treatments of an incarcerated gravid uterus based on 162 cases reported in the English language literature, including our patient...

article

Identification of pathogenic genes and transcription factors in vitiligo

Xiangfeng Yuan, Dan Meng, Peihua Cao, Lina Sun, more

Dermatologic Therapy > 32 > 5 > n/a - n/a

Our study aimed to identify the key genes and upstream regulators in vitiligo. To screen the pathogenic genes of vitiligo, an integrated analysis was performed by using the microarray datasets in vitiligo derived from the Gene Expression Omnibus (GEO) database. The functional annotation and potential pathways of differentially expressed genes (DEGs) were further explored by Gene Ontology (GO) and...

article

FNDC3B circular RNA promotes the migration and invasion of gastric cancer cells via the regulation of E‐cadherin and CD44 expression

Yuling Hong, Haifeng Qin, Yin Li, Yuhai Zhang, more

Journal of Cellular Physiology > 234 > 11 > 19895 - 19910

Circular RNAs (circRNAs) are a new class of RNAs, and many studies have identified thousands of circRNAs in tumor cells. Fibronectin type III domain‐containing protein 3B (FNDC3B) circular RNA (circFNDC3B, circBase ID: hsa_circ_0006156) circularizes with exons 5 and 6. Gibson Assembly DNA technology was used to construct a circFNDC3B expression vector without a splice site and restriction enzyme site...

article

MicroRNA‐6869‐5p acts as a tumor suppressor via targeting TLR4/NF‐κB signaling pathway in colorectal cancer

Shushan Yan, Guoyan Liu, Chengwen Jin, Zengfang Wang, more

Journal of Cellular Physiology > 233 > 9 > 6660 - 6668

Many studies have implicated that microRNAs (miRNAs), as non‐coding RNAs, play important roles in the development and progression of colorectal cancer (CRC). However, little is known about the role of a newly identified miRNA, miR‐6869‐5p, in CRC. We aim to investigate the modifying effects and underlying mechanisms of miR‐6869‐5 in colorectal carcinogenesis and progression. Significantly reduced...

article

Antimicrobial activity of a newly identified Kazal-type serine proteinase inhibitor, CcKPI1, from the jellyfish Cyanea capillata

Yonghong Zhou, Guoyan Liu, Xi Cheng, Qianqian Wang, more

International Journal of Biological Macromolecules > 2018 > 107 > PB > 1945-1955

In this study, we reported a jellyfish-derived Kazal-type serine protease inhibitor, named CcKPI1, from Cyanea capillata. CcKPI1 has a calculated molecular mass of 19.02kDa and contains three typical Kazal domains. Soluble recombinant CcKPI1 (rCcKPI1) was successfully expressed and purified. rCcKPI1 exhibited significant inhibitory activities against elastase, subtilisin A and proteinase K, but not...

article

Effects of a High-Fat Diet on Adipose Tissue CD8+ T Cells in Young vs. Adult Mice

Lijun Dong, Yao Zhang, Li Yang, Guoyan Liu, more

Inflammation > 2017 > 40 > 6 > 1944-1958

T cells are involved in chronic inflammation of adipose tissue in obese conditions. However, the impact of age on the adipose T cells remains unknown. In this study, we investigated T cells in the white adipose tissue of young and adult mice. Obesity was induced in the mice using a high-fat diet (HFD) for 14 weeks. The young mice were fed an HFD at 3 weeks old, and adult mice were fed the HFD at 12 weeks...

chapter

An algorithm for global troposphere delay determination by the combination of GPT/UNB3m and classic models

Guoyan Liu, Guorong Yu

2017 Forum on Cooperative Positioning and Service (CPGPS） > 72 - 79

2017 Forum on Cooperative Positioning and Service (CPGPS）

Determination of troposphere delay has always been a challenging issue in Global Navigation Satellite System (GNSS) applications, such as high precision GNSS positioning and atmospheric delay parameter estimation. In this study, an improved algorithm, named SEU, is proposed, using a modified classic model to calculate the zenith tropospheric delay. The temperature and barometric pressure in the algorithm...

article

Isolation, purification, and identification of the main phenolic compounds from leaves of celery (Apium graveolens L. var. dulce Mill./Pers.)

Guoyan Liu, Linwu Zhuang, Dandan Song, Chunliang Lu, more

Journal of Separation Science > 40 > 2 > 472 - 479

We developed a simple and meaningful preparative method for the separation and purification of the main phenolic compounds from the leaves of celery (Apium graveolens L. var. dulce Mill./Pers.) and we established an accurate and specific analytical method for the identification of the main phenolic compounds from celery leaves. The crude extract from celery leaves was prefractioned by polyamide resin...

article

Analysis of the volatile components of tea seed oil (Camellia sinensis O. Ktze) from China using HS‐SPME‐GC/MS

Guoyan Liu, Suoyu Xu, Xingguo Wang, Qingzhe Jin, more

International Journal of Food Science & Technology > 51 > 12 > 2591 - 2602

Tea seed oil is unique to Asia and boasts significant nutritional and health benefits. In this study, the volatile components of tea seed oil from eight major producing areas in China were analysed using HS‐SPME‐GC/MS. The comparison was made among them to obtain their characteristic volatile compounds. After fibre selection and extraction and desorption condition optimisation, 194 types of volatile...

article

Copy number deletion of RAD50 as predictive marker of BRCAness and PARP inhibitor response in BRCA wild type ovarian cancer

Min Zhang, Guoyan Liu, Fengxia Xue, Robert Edwards, more

Gynecologic Oncology > 2016 > 141 > 1 > 57-64

To identify novel prognostic and therapeutic markers for PARP inhibitors in BRCA wild type ovarian cancer (OvCa).BRCAness status was defined by analyzing whole-exome deep sequencing data from 220 BRCAwt OvCa cases in TCGA. Thirty-three DNA-repair genes were screened in an integrated manner for BRCA-independent mechanism of BRCAness using multiple-dimensional genomic data. Publicly available databases...

article

Large intrauterine mass associated with cesarean scar pregnancy

Guoyan Liu, Xiaobin Shang, Zheng Qi, Fengxia Xue

American Journal of Obstetrics and Gynecology > 2016 > 214 > 1 > 126.e1-126.e2

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INFONA - science communication portal

Search results for: Guoyan Liu

Extraction of Lentinus Edodes Polysaccharides with Ultrasound Enhanced with Deep Eutectic Solvent and Their Structural Characterization and Antioxidant Activity

A novel reverse perilesional home phototherapy can promote the repigmentation of vitiligo patches with complete leukotrichia: A 12‐week, open‐label, double‐arm, multicenter, randomized clinical trial

Basophil activation test in diagnosis of immediate hypersensitivity reactions to IL‐17A inhibitors

Establishment and Verification of a Predictive Nomogram for New Vertebral Compression Fracture Occurring after Bone Cement Injection in Middle‐Aged and Elderly Patients with Vertebral Compression Fracture

Physicochemical, functional, and digestive characteristics of tea seed cake protein obtained by ultrafiltration

Optimization of the Refining Process for Removing Benzo(a)pyrene and Improving the Quality of Tea Seed Oil

Interactions between dietary fiber and ferulic acid change the aggregation of glutenin, gliadin and glutenin macropolymer in wheat flour system

Relationship between age at menarche and chromosome numerical abnormalities in chorionic villus among missed abortions: A cross‐sectional study of 459 women in China

Optical coherence tomography image denoising using a generative adversarial network with speckle modulation

Incarceration of the gravid uterus: a case report and literature review

Identification of pathogenic genes and transcription factors in vitiligo

FNDC3B circular RNA promotes the migration and invasion of gastric cancer cells via the regulation of E‐cadherin and CD44 expression

MicroRNA‐6869‐5p acts as a tumor suppressor via targeting TLR4/NF‐κB signaling pathway in colorectal cancer

Antimicrobial activity of a newly identified Kazal-type serine proteinase inhibitor, CcKPI1, from the jellyfish Cyanea capillata

Effects of a High-Fat Diet on Adipose Tissue CD8+ T Cells in Young vs. Adult Mice

An algorithm for global troposphere delay determination by the combination of GPT/UNB3m and classic models

Isolation, purification, and identification of the main phenolic compounds from leaves of celery (Apium graveolens L. var. dulce Mill./Pers.)

Analysis of the volatile components of tea seed oil (Camellia sinensis O. Ktze) from China using HS‐SPME‐GC/MS

Copy number deletion of RAD50 as predictive marker of BRCAness and PARP inhibitor response in BRCA wild type ovarian cancer

Large intrauterine mass associated with cesarean scar pregnancy

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