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Exact and Direct Modeling Technique for Rotor-Bearing Systems with Arbitrary Selected Degrees-of-Freedom

An exact and direct modeling technique is proposed for modeling of rotor-bearing systems with arbitrary selected degrees-of-freedom. This technique is based on the combination of the transfer and dynamic stiffness matrices. The technique differs from the usual combination methods in that the global dynamic stiffness matrix for the system or the subsystem is obtained directly by...

Chemical and genetic diversity of Astragalus mongholicus grown in different eco-climatic regions

Shilin Chen 1 0 Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College , Beijing , China , 2 Sustainability Department , Traditional Medicinals

miRNA-221 of exosomes originating from bone marrow mesenchymal stem cells promotes oncogenic activity in gastric cancer

miRNA-221 of exosomes originating from bone marrow mesenchymal stem cells promotes oncogenic activity in gastric cancer Min Ma,1,* Shilin Chen,1,* Zhuo Liu,1 Hailong Xie,2 Hongyu Deng,3 Song Shang,1 ... e a r c h Min Ma,1,* shilin chen, 1,* Zhuo liu, 1 hailong Xie, 2 hongyu Deng, 3 song shang, 1 http://dx.doi.org/10.2147/OTT.S143315 in future clinical medicine. Introduction It was reported that

An authenticity survey of herbal medicines from markets in China using DNA barcoding

Jingyuan Song in:Nature Research journals • PubMed • Google ScholarSearch for Shilin Chen in:Nature Research journals • PubMed • Google Scholar Contributions J.S. and S.C. conceived the study and ... read and approved the final manuscript. Competing interests The authors declare no competing financial interests. Corresponding author Correspondence to Shilin Chen. Supplementary information Excel

Sustainable Utilization of TCM Resources

Copyright © 2015 Shilin Chen et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium ... limited to breeding, prevention and cure of diseases and insect pests, quality traceability, exploiting new medicinal resources, and the mechanism of drug metabolism. Shilin Chen Yitao Wang Zhongzhen Zhao

Integrated Analysis for Identifying Radix Astragali and Its Adulterants Based on DNA Barcoding

Radix Astragali is a popular herb used in traditional Chinese medicine for its proimmune and antidiabetic properties. However, methods are needed to help distinguish Radix Astragali from its varied adulterants. DNA barcoding is a widely applicable molecular method used to identify medicinal plants. Yet, its use has been hampered by genetic distance, base variation, and...

Integrated Analysis for Identifying Radix Astragali and Its Adulterants Based on DNA Barcoding

Radix Astragali is a popular herb used in traditional Chinese medicine for its proimmune and antidiabetic properties. However, methods are needed to help distinguish Radix Astragali from its varied adulterants. DNA barcoding is a widely applicable molecular method used to identify medicinal plants. Yet, its use has been hampered by genetic distance, base variation, and...

Processing Technology Investigation of Loquat (Eriobotrya japonica) Leaf by Ultra-Performance Liquid Chromatography-Quadrupole Time-of-Flight Mass Spectrometry Combined with Chemometrics

Ultra-performance liquid chromatography-quadrupole time-of-flight mass spectrometry (UPLC-QTOF/MS) and multivariate statistical analysis were used to investigate the processing technology of Loquat (Eriobotrya japonica) leaf (pipaye, PPY). The differences in samples processed using different methods were revealed by unsupervised principal component analysis (PCA). In the scores...

Compensatory Base Changes in ITS2 Secondary Structures Correlate with the Biological Species Concept Despite Intragenomic Variability in ITS2 Sequences – A Proof of Concept

: Shilin Chen and Jingyuan Song have been supported by the Fundamental Research Funds for the Central Universities of China (No. 2012C02). The funders had no role in study design, data collection and

Rapid Identification and Verification of Indirubin-Containing Medicinal Plants

 Shilin Chen,2 and Xiuqiao Zhang1 1College of Pharmacy, Hubei University of Chinese Medicine, No. 1 Huangjiahu West Road, Hongshan District, Wuhan 430065, China 2Institute of Chinese Materia Medica, China

Rapid Identification and Verification of Indirubin-Containing Medicinal Plants

 Shilin Chen,2 and Xiuqiao Zhang1 1College of Pharmacy, Hubei University of Chinese Medicine, No. 1 Huangjiahu West Road, Hongshan District, Wuhan 430065, China 2Institute of Chinese Materia Medica, China

An integrated system for identifying the hidden assassins in traditional medicines containing aristolochic acids

• PubMed • Google ScholarSearch for Shilin Chen in:Nature Research journals • PubMed • Google Scholar Contributions L.W. finished experiments and data analyses in DNA barcodes and UHPLC-HR-MS. W.S., L.W ... manuscript. Competing interests The authors declare no competing financial interests. Corresponding author Correspondence to Shilin Chen. Supplementary information PDF files1.Supplementary Information

Characterisation of Caenorhabditis elegans sperm transcriptome and proteome

Background Although sperm is transcriptionally and translationally quiescent, complex populations of RNAs, including mRNAs and non-coding RNAs, exist in sperm. Previous microarray analysis of germ cell mutants identified hundreds of sperm genes in Caenorhabditis elegans. To take a more comprehensive view on C. elegans sperm genes, here, we isolate highly pure sperm cells and...

Genome-wide identification and characterization of novel genes involved in terpenoid biosynthesis in Salvia miltiorrhiza

Terpenoids are the largest class of plant secondary metabolites and have attracted widespread interest. Salvia miltiorrhiza, belonging to the largest and most widely distributed genus in the mint family, is a model medicinal plant with great economic and medicinal value. Diterpenoid tanshinones are the major lipophilic bioactive components in S. miltiorrhiza. Systematic analysis...

FastUniq: A Fast De Novo Duplicates Removal Tool for Paired Short Reads

The presence of duplicates introduced by PCR amplification is a major issue in paired short reads from next-generation sequencing platforms. These duplicates might have a serious impact on research applications, such as scaffolding in whole-genome sequencing and discovering large-scale genome variations, and are usually removed. We present FastUniq as a fast de novo tool for...

Utility of the trnH–psbA Intergenic Spacer Region and Its Combinations as Plant DNA Barcodes: A Meta-Analysis

Background The trnH–psbA intergenic spacer region has been used in many DNA barcoding studies. However, a comprehensive evaluation with rigorous sequence preprocessing and statistical testing on the utility of trnH–psbA and its combinations as DNA barcodes is lacking. Methodology/Principal Findings Sequences were searched from GenBank for a meta-analysis on the usefulness of trnH...

Transcriptome analysis reveals ginsenosides biosynthetic genes, microRNAs and simple sequence repeats in Panax ginseng C. A. Meyer

Background Panax ginseng C. A. Meyer is one of the most widely used medicinal plants. Complete genome information for this species remains unavailable due to its large genome size. At present, analysis of expressed sequence tags is still the most powerful tool for large-scale gene discovery. The global expressed sequence tags from P. ginseng tissues, especially those isolated...

Natural Resource Monitoring of Rheum tanguticum by Multilevel Remote Sensing

Remote sensing has been extensively applied in agriculture for its objectiveness and promptness. However, few applications are available for monitoring natural medicinal plants. In the paper, a multilevel monitoring system, which includes satellite and aerial remote sensing, as well as ground investigation, was initially proposed to monitor natural Rheum tanguticum resource in...

Comparative transcriptome sequencing of germline and somatic tissues of the Ascaris suum gonad

Background Ascaris suum (large roundworm of pigs) is a parasitic nematode that causes substantial losses to the meat industry. This nematode is suitable for biochemical studies because, unlike C. elegans, homogeneous tissue samples can be obtained by dissection. It has large sperm, produced in great numbers that permit biochemical studies of sperm motility. Widespread study of A...

De novo characterization of the root transcriptome of a traditional Chinese medicinal plant Polygonum cuspidatum

Various active components have been extracted from the root of Polygonum cuspidatum. However, the genetic basis for their activity is virtually unknown. In this study, 25600002 short reads (2.3 Gb) of P. cuspidatum root transcriptome were obtained via Illumina HiSeq 2000 sequencing. A total of 86418 unigenes were assembled de novo and annotated. Twelve, 18, 60 and 54 unigenes...