Search results for: Zhuo Du

Items from 1 to 20 out of 24 results

article

Chiral resolution by polysulfone-based membranes prepared via mussel-inspired chemistry

Lei Miao, Yang Yang, Yuanyuan Tu, Shudong Lin, more

Reactive and Functional Polymers > 2017 > 115 > C > 87-94

Reported herein is a chiral resolution polysulfone membrane prepared via mussel-inspired chemistry. Polysulfone membranes were modified with dopamine, which underwent in situ polymerization on the membrane substrate, and β-cyclodextrin was used as a chiral selector. The preparation conditions were optimized and the resultant membrane obtained under these conditions showed desirable water permeability...

article

A hybrid monolithic column based on boronate-functionalized graphene oxide nanosheets for online specific enrichment of glycoproteins

Chanyuan Zhou, Xiaoman Chen, Zhuo Du, Gongke Li, more

Journal of Chromatography A > 2017 > 1498 > C > 90-98

A hybrid monolithic column based on aminophenylboronic acid (APBA)-functionalized graphene oxide (GO) has been developed and used for selective enrichment of glycoproteins. The APBA/GO composites were homogeneously incorporated into a polymer monolithic column with the help of oligomer matrix and followed by in situ polymerization. The effect of dispersion of APBA/GO composites in the polymerization...

article

Melanconis (Melanconidaceae) associated with Betula spp. in China

Xinlei Fan, Zhuo Du, Yingmei Liang, Chengming Tian

Mycological Progress > 2016 > 15 > 4 > 1-9

Melanconis is a monotypic genus in Melanconidaceae and mostly restricted to hardwood trees in Betulaceae, as endophytes and plant pathogens. During a routine forest pathogens investigation of canker disease in China, some melanconidaceous fungi were observed on Betula spp. with various symptoms. The primary objective of the present study was to identify species of Melanconidaceae associated...

article

The Regulatory Landscape of Lineage Differentiation in a Metazoan Embryo

Zhuo Du, Anthony Santella, Fei He, Pavak K. Shah, more

Developmental Cell > 2015 > 34 > 5 > 592-607

Elucidating the mechanism of cell lineage differentiation is critical for our understanding of development and fate manipulation. Here we combined systematic perturbation and direct lineaging to map the regulatory landscape of lineage differentiation in early C. elegans embryogenesis. High-dimensional phenotypic analysis of 204 essential genes in 1,368 embryos revealed that cell lineage differentiation...

article

POS-1 Promotes Endo-mesoderm Development by Inhibiting the Cytoplasmic Polyadenylation of neg-1 mRNA

Ahmed Elewa, Masaki Shirayama, Ebru Kaymak, Paul F. Harrison, more

Developmental Cell > 2015 > 34 > 1 > 108-118

The regulation of mRNA translation is of fundamental importance in biological mechanisms ranging from embryonic axis specification to the formation of long-term memory. POS-1 is one of several CCCH zinc-finger RNA-binding proteins that regulate cell fate specification during C. elegans embryogenesis. Paradoxically, pos-1 mutants exhibit striking defects in endo-mesoderm development but have wild-type...

article

E3 ubiquitin ligases promote progression of differentiation during C. elegans embryogenesis

Zhuo Du, Fei He, Zidong Yu, Bruce Bowerman, more

Developmental Biology > 2015 > 398 > 2 > 267-279

Regulated choice between cell fate maintenance and differentiation provides decision points in development to progress toward more restricted cell fates or to maintain the current one. Caenorhabditis elegans embryogenesis follows an invariant cell lineage where cell fate is generally more restricted upon each cell division. EMS is a progenitor cell in the four-cell embryo that gives rise to the endomesoderm...

article

De Novo Inference of Systems-Level Mechanistic Models of Development from Live-Imaging-Based Phenotype Analysis

Zhuo Du, Anthony Santella, Fei He, Michael Tiongson, more

Cell > 2014 > 156 > 1-2 > 359-372

Elucidation of complex phenotypes for mechanistic insights presents a significant challenge in systems biology. We report a strategy to automatically infer mechanistic models of cell fate differentiation based on live-imaging data. We use cell lineage tracing and combinations of tissue-specific marker expression to assay progenitor cell fate and detect fate changes upon genetic perturbation. Based...

article

Metal-organic framework-199/graphite oxide hybrid composites coated solid-phase microextraction fibers coupled with gas chromatography for determination of organochlorine pesticides from complicated samples

Suling Zhang, Zhuo Du, Gongke Li

Talanta > 2013 > 115 > Complete > 32-39

The hybrid material of a copper-based metal-organic framework (MOF-199) and graphite oxide (GO) was explored as the solid-phase microextraction (SPME) coating for the first time. This fiber was fabricated by using 3-amino-propyltriethoxysilane (APTES) as the cross-linking agent, which enhanced its durability and allowed more than 140 replicate extractions. With the incorporation of GO, the MOF-199/GO...

article

Novel magnetic SPE method based on carbon nanotubes filled with cobalt ferrite for the analysis of organochlorine pesticides in honey and tea

Zhuo Du, Miao Liu, Gongke Li

Journal of Separation Science > 36 > 20 > 3387 - 3394

A novel magnetic SPE method based on magnetic cobalt ferrite filled carbon nanotubes (MFCNTs) coupled with GC with electron capture detection was developed to determine organochlorine pesticides (OCPs) in tea and honey samples. The MFCNTs were prepared through the capillarity of carbon nanotubes for drawing mixed cobalt and iron nitrates solution into their inner cavity followed by heating to 550°C...

article

Gastrocnemius transcriptome analysis reveals domestication induced gene expression changes between wild and domestic chickens

Qinghe Li, Nan Wang, Zhuo Du, Xiaoxiang Hu, more

Genomics > 2012 > 100 > 5 > 314-319

Artificial selection of chicken for human-preferred traits has manifested great phenotypic differences between wild and domestic chickens. Study on the formation of these phenotypic variations will contribute to comprehensive understanding of the molecular mechanism of animal domestication. We used three kinds of chicken breeds for transcriptome analysis, including the red jungle fowl which was the...

article

Serum tolerance and endosomal escape capacity of histidine-modified pDNA-loaded complexes based on polyamidoamine dendrimer derivatives

Yuting Wen, Zhenhuan Guo, Zhuo Du, Rong Fang, more

Biomaterials > 2012 > 33 > 32 > 8111-8121

Aiming to aid polyamidoamine (PAMAM, generation 4, PG4) to overcome gene delivery barriers like extrinsic serum inhibition, intrinsic cytotoxicity and lysosome digestion, histidine motifs modified PAMAM was prepared. The histidine activated PAMAM generation 4 (HPG4) was synthesized via aminolysis reaction and characterized by ¹ H NMR spectrum and MALDI-TOF-MS. Cytotoxicity profiles of HPG4...

article

Graphene-supported zinc oxide solid-phase microextraction coating with enhanced selectivity and sensitivity for the determination of sulfur volatiles in Allium species

Suling Zhang, Zhuo Du, Gongke Li

Journal of Chromatography A > 2012 > 1260 > Complete > 1-8

A graphene-supported zinc oxide (ZnO) solid-phase microextraction (SPME) fiber was prepared via a sol–gel approach. Graphite oxide (GO), with rich oxygen-containing groups, was selected as the starting material to anchor ZnO on its nucleation center. After being deoxidized by hydrazine, the Zn(OH) ₂ /GO coating was dehydrated at high temperature to give the ZnO/graphene coating. Sol–gel technology...

article

l-histidine functionalized multi-walled carbon nanotubes for on-line affinity separation and purification of immunoglobulin G in serum

Zhuo Du, Suling Zhang, Chanyuan Zhou, Miao Liu, more

Talanta > 2012 > 99 > Complete > 40-49

In this work, the multi-walled carbon nanotubes were covalently functionalized with l-histidine (His–MWNTs) as online pseudospecific affinity adsorbent for immunoglobulin G (IgG) separation and purification with a simple surface modification method, using 1-ethyl-3-(3-dimethyaminopropyl) carbodiimide hydrochloride (EDC) and N-hydroxysuccinimde (NHS). The affinity of the His–MWNTs toward IgG was investigated...

article

Preparation of Trimethoprim Molecularly Imprinted Stir Bar Sorptive Extraction and Its Application for Trace Analysis of Trimethoprim and Sulfonamides in Complex Samples

Zhi-Gang XU, Zhuo DU, Yu-Ling HU, Yu-Fei HU, more

Chinese Journal of Analytical Chemistry > 2012 > 40 > 7 > 1002-1010

Trimethoprim molecularly imprinted polymer (MIP) was prepared as the coating of stir bar sorptive extraction (SBSE) and applied to the trace analysis of trimethoprim and three sulfonamides in complex samples. The MIP-coating was about 21.5 μm thickness with the relative standard deviations (RSD) of 5.9% (n = 10). It was homogeneous and dense with good thermal and chemical stability. The extraction...

article

Dynamic layer-by-layer self-assembly of multi-walled carbon nanotubes on quartz wool for on-line separation of lysozyme in egg white

Zhuo Du, Suling Zhang, Chanyuan Zhou, Miao Liu, more

Talanta > 2012 > 94 > Complete > 104-110

The multi-walled carbon nanotubes (MWNTs) coated quartz wool (MWNTs/QW) prepared by dynamic layer-by-layer self-assembly was used as solid-phase extraction (SPE) absorbent for on-line separation and preconcentration of lysozyme in egg white. The coating procedures were performed continuously in a flow system operated by a set of sequential injection devices. The quartz wool was placed in a microcolumn...

article

Layer-by-Layer Fabrication of Chemical-Bonded Graphene Coating for Solid-Phase Microextraction

Suling Zhang, Zhuo Du, Gongke Li

Analytical Chemistry > 2011 > 83 > 19 > 7531 - 7541

article

Paclitaxel-loaded micelles composed of folate-poly(ethylene glycol) and poly(γ-benzyl l-glutamate) diblock copolymer

Zhuo Du, Shirong Pan, Qiao Yu, Yuanpei Li, more

Colloids and Surfaces A: Physicochemical and Engineering Aspects > 2010 > 353 > 2-3 > 140-148

In this study folate-poly(ethylene glycol) and poly(γ-benzyl l-glutamate) diblock copolymer (FEG) was synthesized and the FEG chemical structure was characterized by ¹ H nuclear magnetic resonance (NMR) and Fourier transformation infrared (FTIR). Paclitaxel (PTX)-loaded FEG micelles were self-assembled and the properties of the FEG micelles were evaluated by fluorescence spectroscopy, scanning...

article

Advanced technologies for genomic analysis in farm animals and its application for QTL mapping

Xiaoxiang Hu, Yu Gao, Chungang Feng, Qiuyue Liu, more

Genetica > 2009 > 136 > 2 > 371-386

Rapid progress in farm animal breeding has been made in the last few decades. Advanced technologies for genomic analysis in molecular genetics have led to the identification of genes or markers associated with genes that affect economic traits. Molecular markers, large-insert libraries and RH panels have been used to build the genetic linkage maps, physical maps and comparative maps in different farm...

article

Selective isolation of acidic proteins with a thin layer of multiwalled carbon nanotubes functionalized with polydiallyldimethylammonium chloride

Zhuo Du, Yongliang Yu, Jianhua Wang

Analytical and Bioanalytical Chemistry > 2008 > 392 > 5 > 937-946

The selective isolation of acidic proteins using a thin layer of multiwalled carbon nanotubes (MWNTs) functionalized with polydiallyldimethylammonium chloride (PDDA) was demonstrated. A certain amount (20 ml) of a suspension of PDDA-functionalized MWNTs that had been well dispersed by sonication was filtered through an MF-Millipore membrane with a pore aperture of 1.2 μm, and a uniform layer of PDDA-MWNT...

article

Corrigendum to “Enrichment of G4 DNA motif in transcriptional regulatory region of chicken genome” [Biochem. Biophys. Res. Commun. 354 (2007) 1067–1070]

Zhuo Du, Ping Kong, Yu Gao, Ning Li

Biochemical and Biophysical Research Communications > 2007 > 360 > 1 > 299

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Search results for: Zhuo Du

Chiral resolution by polysulfone-based membranes prepared via mussel-inspired chemistry

A hybrid monolithic column based on boronate-functionalized graphene oxide nanosheets for online specific enrichment of glycoproteins

Melanconis (Melanconidaceae) associated with Betula spp. in China

The Regulatory Landscape of Lineage Differentiation in a Metazoan Embryo

POS-1 Promotes Endo-mesoderm Development by Inhibiting the Cytoplasmic Polyadenylation of neg-1 mRNA

E3 ubiquitin ligases promote progression of differentiation during C. elegans embryogenesis

De Novo Inference of Systems-Level Mechanistic Models of Development from Live-Imaging-Based Phenotype Analysis

Metal-organic framework-199/graphite oxide hybrid composites coated solid-phase microextraction fibers coupled with gas chromatography for determination of organochlorine pesticides from complicated samples

Novel magnetic SPE method based on carbon nanotubes filled with cobalt ferrite for the analysis of organochlorine pesticides in honey and tea

Gastrocnemius transcriptome analysis reveals domestication induced gene expression changes between wild and domestic chickens

Serum tolerance and endosomal escape capacity of histidine-modified pDNA-loaded complexes based on polyamidoamine dendrimer derivatives

Graphene-supported zinc oxide solid-phase microextraction coating with enhanced selectivity and sensitivity for the determination of sulfur volatiles in Allium species

l-histidine functionalized multi-walled carbon nanotubes for on-line affinity separation and purification of immunoglobulin G in serum

Preparation of Trimethoprim Molecularly Imprinted Stir Bar Sorptive Extraction and Its Application for Trace Analysis of Trimethoprim and Sulfonamides in Complex Samples

Dynamic layer-by-layer self-assembly of multi-walled carbon nanotubes on quartz wool for on-line separation of lysozyme in egg white

Layer-by-Layer Fabrication of Chemical-Bonded Graphene Coating for Solid-Phase Microextraction

Paclitaxel-loaded micelles composed of folate-poly(ethylene glycol) and poly(γ-benzyl l-glutamate) diblock copolymer

Advanced technologies for genomic analysis in farm animals and its application for QTL mapping

Selective isolation of acidic proteins with a thin layer of multiwalled carbon nanotubes functionalized with polydiallyldimethylammonium chloride

Corrigendum to “Enrichment of G4 DNA motif in transcriptional regulatory region of chicken genome” [Biochem. Biophys. Res. Commun. 354 (2007) 1067–1070]

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