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Publications

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Current publications

Total Synthesis of Pipecolic Acid and 1-C-Alkyl 1,5-Iminopentitol Derivatives by way of Stereoselective Aldol Reactions from (S)-Isoserinal

A short synthesis of iminosugars and pipecolic acid derivatives has been realized through aldol addition of a pyruvate, a range of ketones and (S)-isoserinal, followed by catalytic reductive intramolecular amination. The stereoselective aldol reaction was achieved successfully by using tert ... more

A “turn-on-and-off” pH sensitive BODIPY fluorescent probe for imaging E. coli cells

We report fluorescent turn-on-and-off pH BODIPY probes which show drastic shift in pKa values upon introducing the electron withdrawing substituents on the meso-phenyl ring. The sensors utilize 4-amino- and 4-hydroxyl groups as proton receptors and works by intramolecular photoinduced elect ... more

The oxidation of sulfur(IV) by reaction with iron(III): a critical review and data analysis

The dependences on ionic strength of the hydrolysis constants of Fe3+ and of the first dissociation constant of sulfurous acid are briefly reviewed. The data are needed to derive from apparent stability constants reported in the literature the stability constants for the three iron–sulfito ... more

Synthesis and property of wide bandgap polymers based on tetraphenylsilane and their applications as hosts in electrophosphorescent devices

Wide bandgap materials are of significant importance in organic optoelectronic field. In this work, diphenylphosphine oxide-functionalized tetraphenylsilane moiety is designed and applied in the construction of wide bandgap materials. Wide bandgap polymer, PFSCPO, is synthesized via Suzuki ... more

On the H2 interactions with transition metal adatoms supported on graphene: a systematic density functional study

The attachment of H2 to the full set of transition metal (TM) adatoms supported on graphene is studied by using density functional theory. Methodology validation calculations on the interactions of H2 with benzene and graphene show that any of the vdW corrections under study, the Grimme D2, ... more

All publications

Flocculation on a chip: a novel screening approach to determine floc growth rates and select flocculating agents

Flocculation is a key purification step in cell-based processes for the food and pharmaceutical industry where the removal of cells and cellular debris is aided by adding flocculating agents. However, finding the best suited flocculating agent and optimal conditions to achieve rapid and eff ... more

Rapid and sensitive detection of neuron specific enolase with a polydopamine coated plasmonic chip utilizing a rear-side coupling method

A rapid and sensitive detection of a cancer marker, neuron specific enolase (NSE), is demonstrated by using a disposable silver plasmonic chip functionalized with a mussel-inspired polydopamine (PDA) coating. A plasmonic chip consisting of a diffraction grating coated with a silver thin fil ... more

Turn-on near-infrared fluorescence probe with aggregation-induced emission based on dibenzo[a,c]phenazine for detection of superoxide anions and its application in cell imaging

A new turn-on near-infrared fluorescence probe (BDP) based on dibenzo[a,c]phenazine for superoxide anions detection with aggregation-induced emission property as well as a desirable large Stokes shift was designed and synthesized. After the reaction with superoxide, the initial diphenyl-pho ... more

High-Throughput Sorting of Eggs for Synchronization of C. elegans in a Microfluidic Spiral Chip

In this study, we report the use of a high-throughput microfluidic spiral chip to screen out eggs from a mixed age nematode population, which can subsequently be cultured to a desired developmental stage. For the sorting of a mixture containing three different developmental stages, eggs, L1 ... more

15N isotopic labelling for in-cell protein studies by NMR spectroscopy and single-cell IR Synchrotron Radiation FTIR Microscopy: a correlative study

The ultimate goal of modern structural biology is to probe proteins structure and dynamics in their physiological microenvironment. In-cell NMR spectroscopy is an ideal technique for achieving this goal, being able to investigate proteins at atomic-resolution in living cells. The reliabilit ... more

All publications on analytics

Total Synthesis of Pipecolic Acid and 1-C-Alkyl 1,5-Iminopentitol Derivatives by way of Stereoselective Aldol Reactions from (S)-Isoserinal

A short synthesis of iminosugars and pipecolic acid derivatives has been realized through aldol addition of a pyruvate, a range of ketones and (S)-isoserinal, followed by catalytic reductive intramolecular amination. The stereoselective aldol reaction was achieved successfully by using tert ... more

A “turn-on-and-off” pH sensitive BODIPY fluorescent probe for imaging E. coli cells

We report fluorescent turn-on-and-off pH BODIPY probes which show drastic shift in pKa values upon introducing the electron withdrawing substituents on the meso-phenyl ring. The sensors utilize 4-amino- and 4-hydroxyl groups as proton receptors and works by intramolecular photoinduced elect ... more

The oxidation of sulfur(IV) by reaction with iron(III): a critical review and data analysis

The dependences on ionic strength of the hydrolysis constants of Fe3+ and of the first dissociation constant of sulfurous acid are briefly reviewed. The data are needed to derive from apparent stability constants reported in the literature the stability constants for the three iron–sulfito ... more

Synthesis and property of wide bandgap polymers based on tetraphenylsilane and their applications as hosts in electrophosphorescent devices

Wide bandgap materials are of significant importance in organic optoelectronic field. In this work, diphenylphosphine oxide-functionalized tetraphenylsilane moiety is designed and applied in the construction of wide bandgap materials. Wide bandgap polymer, PFSCPO, is synthesized via Suzuki ... more

On the H2 interactions with transition metal adatoms supported on graphene: a systematic density functional study

The attachment of H2 to the full set of transition metal (TM) adatoms supported on graphene is studied by using density functional theory. Methodology validation calculations on the interactions of H2 with benzene and graphene show that any of the vdW corrections under study, the Grimme D2, ... more

All publications on chemistry

A humanized mouse model of liver fibrosis following expansion of transplanted hepatic stellate cells

Hepatic stellate cells (HSCs) are major contributors to liver fibrosis, as hepatic injuries may cause their transdifferentiation into myofibroblast-like cells capable of producing excessive extracellular matrix proteins. Also, HSCs can modulate engraftment of transplanted hepatocytes and co ... more

Inhibition of WNT/β-catenin signaling under serum starvation and hypoxia induces adipocytic transdifferentiation in human leiomyoma cells

Fatty metamorphosis is an uncommon alteration in uterine leiomyoma (i.e., lipoleiomyoma), and the pathogenetic mechanisms underlying this phenomenon remain poorly understood. Because a conditional deletion of β-catenin, a major transducer of the canonical Wingless/integrated (WNT) pathway, ... more

Disruption of CXCR3 function impedes the development of Sjögren’s syndrome-like xerostomia in non-obese diabetic mice

The chemokine receptor CXCR3 plays an important role in T cell recruitment in various immune responses and autoimmune diseases. Expression of CXCR3 ligands, including CXCL9, CXCL10, and CXCL11, is elevated in the salivary glands of patients with Sjögren’s syndrome (SS). To elucidate whether ... more

An in vitro system of autologous lymphocytes culture that allows the study of homeostatic proliferation mechanisms in human naive CD4 T-cells

The size of peripheral T-cell pool is kept constant throughout life. However, a decline in lymphocyte numbers is a feature of several human disorders, in which fast and slow homeostatic proliferation play a crucial role. Several in vitro and in vivo models have been developed to study such ... more

Use of multicolor fluorescence in situ hybridization to detect deletions in clinical tissue sections

A variety of laboratory methods are available for the detection of deletions of tumor suppressor genes and losses of their proteins. The clinical utility of fluorescence in situ hybridization (FISH) for the identification of deletions of tumor suppressor genes has previously been limited by ... more

All publications on lab technology

Production of Biodiesel Catalysed by Lipase from Thermomyces Lanuginosus in its Soluble Form

Abstract Biodiesel production through the transesterification of oleaginous sources utilizing alkaline catalysts shows many process drawbacks like the need of a raw material with high purity degree and a high amount of alkaline wastewater generated from the biodiesel washing step. Such ... more

An Integral Criterion for Turbulence Suppression in Swirling Flows

ABSTRACT A numerical study of flow in rotating pipes was conducted to elucidate the relative importance of convection and turbulence. CFD (Computational Fluid Dynamics) simulations of flow inside a rotating pipe (D = 2 cm and L/D = 20) were carried out, using the Reynolds Stress Model, ... more

An Integral Criterion for Turbulence Suppression in Swirling Flows

ABSTRACT A numerical study of flow in rotating pipes was conducted to elucidate the relative importance of convection and turbulence. CFD (Computational Fluid Dynamics) simulations of flow inside a rotating pipe (D = 2 cm and L/D = 20) were carried out, using the Reynolds Stress Model, ... more

Estimation of methane yields in continuous biogas reactors using kinetic and mass flow models

Abstract The measurement of methane potential during anaerobic digestion has generally been accomplished through batch assays, yet the majority of industrial plants employ a semi‐continuous feeding regime and the estimation of continuous process yield from batch data is not straightforwa ... more

TWO‐STAGE DRY ANAEROBIC DIGESTION PROCESS CONTROL OF BIOWASTE FOR HYDROLYSIS AND BIOGAS OPTIMIZATION

Abstract This study offers an advanced management system which adapts to most of the two‐stage anaerobic dry treatment plants that do not benefit from a local expert in biowaste treatment. This approach takes advantage of pH sensors to control the process within the optimal range to enha ... more

All publications on chemical engineering

Development of a novel scoring system for identifying emerging chemical risks in the food chain

The European Food Safety Authority (EFSA) is responsible for risk assessment of all aspects of food safety, including the establishment of procedures aimed at the identification of emerging risks to food safety. Here, a scoring system was developed for identifying chemicals registered under ... more

Aquatic photochemistry of sulfamethazine: Multivariate effects of main water constituents and mechanisms

Ubiquity of sulfonamides (SAs) in natural waters urges insights into their environmental fate for ecological risk assessment. Extensive studies focused on the effect of univariate water constituents on the photochemical fate of SAs, yet the multivariate effects of water constituents in envi ... more

The effects of interaction between particulate matter and temperature on mortality in Beijing, China

Background: the effects of interaction between temperature and inhalable particulate matter (aerodynamic diameter < 10 μm, PM10) on mortality have been examined in some previous studies, but the results were inconsistent. This study aims to explore whether the effects of PM10 on daily non-a ... more

Mercury methylation in stormwater retention ponds at different stages in the management lifecycle

Abstract: Stormwater retention ponds effectively manage erosion, flooding, and pollutant loadings, but are also sources of methylmercury (MeHg), a bioaccumulative neurotoxin which is produced by anaerobic aquatic microorganisms. Stormwater retention ponds have a 10-15 year working life, aft ... more

Emerging investigator series: Methylmercury Speciation and Dimethylmercury Production in Sulfidic Solutions

Alkylated mercury species (monomethylmercury, MeHg, and dimethylmercury, DMeHg) exhibit significant bioaccumulation, and pose significant risks to ecosystems and human health. Although decades of research have been devoted to understanding MeHg formation and degradation, little is known abo ... more

All publications on environmental technology
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