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Congcong Li et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 67(10), 2287-2293 (2013-05-17)
Enzymes have already been extensively applied to degrade various organic pollutants in industrial wastewater, and how to improve the stability and reusability of the enzymes is critical to their practical application. In this study, poly(glycidyl methacrylate-methacrylic acid), poly(GMA-MAA), microspheres were
Xiyi Li et al.
Wei sheng yan jiu = Journal of hygiene research, 33(6), 654-657 (2005-02-25)
To explore the molecular mechanism of cell response induced by hydroquinone, we investigated the protein profile after treatment with hydroquinone in human embryonic lung fibroblasts. After HQ treatment, cells were lysed in lysis solution, then the supernatant were collected and
Yun-Kun Wang et al.
Scientific reports, 5, 16281-16281 (2015-11-07)
Recovering nutrients, especially phosphate resource, from wastewater have attracted increasing interest recently. Herein, an intermittently aerated membrane bioreactor (MBR) with a mesh filter was developed for simultaneous chemical oxygen demand (COD), total nitrogen (TN) and phosphorous removal, followed by phosphorus
J Boyle et al.
The British journal of dermatology, 114(4), 501-504 (1986-04-01)
Forty-one over-the-counter skin lightening creams were analysed for hydroquinone content, and the accuracy of tables of contents supplied with these products was assessed. Eight of the 41 were found to contain more than 2% hydroquinone, the maximum concentration permitted by
Jacob Levitt
Journal of the American Academy of Dermatology, 57(5), 854-872 (2007-05-01)
Recently, the US Food and Drug Administration proposed a ban on over-the-counter hydroquinone mainly on the basis of high absorption, reports of exogenous ochronosis in humans, and murine hepatic adenomas, renal adenomas, and leukemia with large doses over extended time
Mekhala Chandra et al.
Acta dermato-venereologica, 92(3), 232-235 (2011-10-18)
Post-inflammatory hyperpigmentation after acne can be as troublesome as the acne itself. Hydroquinone, a tyrosinase inhibitor, in a 4% cream can be used safely twice daily for up to 6 months to treat post-inflammatory hyperpigmentation. The efficacy of this treatment
Shin-Hee Heo et al.
Cancer letters, 362(1), 139-148 (2015-04-02)
All-trans retinoic acid (ATRA), the most biologically active metabolite of vitamin A, has been extensively studied for the prevention and treatment of cancer; however, the underlying mechanism of its anti-cancer potential is still unclear. Here we found that ATRA induces
M Yokono et al.
Nature communications, 6, 6675-6675 (2015-03-27)
Throughout the history of oxygen evolution, two types of photosystem reaction centres (PSI and PSII) have worked in a coordinated manner. The oxygen evolving centre is an integral part of PSII, and extracts an electron from water. PSI accepts the
Filomena Aste Silveira et al.
Experimental and molecular pathology, 98(2), 308-311 (2015-01-13)
DNA methylation is the most important epigenetic change involved in the control of gene expression in human cells. Methylation of the p16(INK4a) gene occurs early in the development of cervical cancer. Low-grade squamous intraepithelial lesions (LSILs) are prevalent, and their
Hongliang Zeng et al.
Journal of food science, 80(11), H2585-H2596 (2015-10-11)
The objective of this study was to investigate the multiple relations between the preliminary molecular structural characteristics and antioxidant activities of polysaccharides from Canarium album (Lour.) Raeusch (CPS). Three polysaccharide fractions, CPS1, CPS2, and CPS3, were isolated from CPS by
Valentina Marchesin et al.
The Journal of cell biology, 211(2), 339-358 (2015-10-28)
Invasion of cancer cells into collagen-rich extracellular matrix requires membrane-tethered membrane type 1-matrix metalloproteinase (MT1-MMP) as the key protease for collagen breakdown. Understanding how MT1-MMP is delivered to the surface of tumor cells is essential for cancer cell biology. In
Zoe Diana Draelos
Dermatologic therapy, 20(5), 308-313 (2007-11-30)
Skin lightening preparations are widely used in dermatology by persons of all Fitzpatrick skin types. Fitzpatrick skin types I-III require local pigment lightening for the treatment of hormonally induced melasma and postinflammatory hyperpigmentation caused by acne and trauma. Fitzpatrick skin
Benjamin Ricken et al.
New biotechnology, 32(6), 710-715 (2015-03-23)
Microbacterium sp. strain BR1 is among the first bacterial isolates which were proven to degrade sulfonamide antibiotics. The degradation is initiated by an ipso-substitution, initiating the decay of the molecule into sulfur dioxide, the substrate specific heterocyclic moiety as a
J J Nordlund et al.
Journal of the European Academy of Dermatology and Venereology : JEADV, 20(7), 781-787 (2006-08-11)
Hydroquinone is one of the most effective molecules for the treatment of hyperpigmentary disorders, with over 40 years of efficacy and safety data. Concerns over its safety have been raised because of the fact that it is a derivative of
Xiao-Jing Cai et al.
ACS nano, 9(8), 7940-7949 (2015-07-07)
Self-organization of nanoparticles into stable, molecularly thin films provides an insightful paradigm for manipulating the manner in which materials interact at nanoscale dimensions to generate unique material assemblies at macroscopic length scales. While prior studies in this vein have focused
Carlo Foresta et al.
Human reproduction (Oxford, England), 29(6), 1134-1145 (2014-04-29)
What are the dynamics of zinc (Zn) trafficking in sperm, at the testicular, epididymal and ejaculate levels? Zn transporters are peculiarly expressed in the cells of the germ line and Zn uptake is maximal at the post-epididymal phase, where Zn
Zhou Liu et al.
Cell transplantation, 24(7), 1265-1281 (2014-05-27)
Transplantation of bone marrow mesenchymal stem cells (MSCs) promotes functional recovery in multiple sclerosis (MS) patients and in a murine model of MS. However, there is only a modicum of information on differentiation of grafted MSCs into oligodendrocyte-like cells in
Anna Gulkowska et al.
Chemosphere, 107, 366-372 (2014-01-28)
Soil incubation experiments using (14)C-labelled sulfamethazine were carried out to assess the factors governing its nonextractable residue (NER) formation via nucleophilic addition reactions. Circumstantial evidence on possible mechanisms of NER formation was derived from a selective manipulation of soil samples.
Anderson G M da Silva et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 21(35), 12314-12320 (2015-08-01)
New AgAu tadpole nanocrystals were synthesized in a one-step reaction involving simultaneous galvanic replacement between Ag nanospheres and AuCl4(-)(aq.) and AuCl4(-)(aq.) reduction to Au in the presence of citrate. The AgAu tadpoles display nodular polycrystalline hollow heads, while their undulating
Richard T Penson et al.
The Lancet. Oncology, 16(3), 301-311 (2015-02-02)
GOG 240 was a practice-changing randomised phase 3 trial that concluded that chemotherapy plus bevacizumab for advanced cervical cancer significantly improves overall and progression-free survival, and the proportion of patients achieving an overall objective response, compared with chemotherapy alone. In
Jiyeon Yang et al.
Environmental geochemistry and health, 37(2), 321-332 (2014-09-27)
The objective of this study is to find the Cd levels in agricultural crops compared to soil, to evaluate the relationship between daily intake dose through the multimedia/multi-pathway of human exposure and biomarker levels of the residents in mine vicinity
Ayman M Atta et al.
Molecules (Basel, Switzerland), 19(5), 6246-6262 (2014-05-21)
A facile method was developed to synthesize in high yield dispersed silver nanoparticles (AgNPs) with small particle sizes of less than 10 nm. Silver nitrate was reduced to silver nanoparticles by p-chloroaniline in the presence of polyoxyethylene maleate 4-nonyl-2-propylene-phenol (NMA)
Ruth A Livingstone et al.
The Journal of chemical physics, 137(18), 184304-184304 (2012-11-21)
Time-resolved photoelectron imaging was used to investigate the dynamical evolution of the initially prepared S(1) (ππ*) excited state of phenol (hydroxybenzene), catechol (1,2-dihydroxybenzene), resorcinol (1,3-dihydroxybenzene), and hydroquinone (1,4-dihydroxybenzene) following excitation at 267 nm. Our analysis was supported by ab initio
Won-Young Cho et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 94, 450-462 (2015-07-05)
Small interfering RNA (siRNA)-mediated gene silencing represents a promising strategy for treating diseases such as cancer; however, specific gene silencing requires an effective delivery system to overcome the instability and low transfection efficiency of siRNAs. To address this issue, a
Se Eun Byeon et al.
Free radical biology & medicine, 57, 105-118 (2013-01-08)
The hydroxylated benzene metabolite hydroquinone (HQ) is mainly generated from benzene, an important industrial chemical, and is also a common dietary component. Although numerous papers have addressed the potential role of HQ in tumorigenic responses, the immunosuppressive and anti-inflammatory effects
Fanny Ramel et al.
PloS one, 10(4), e0123455-e0123455 (2015-04-04)
Although obligate anaerobe, the sulfate-reducing bacterium Desulfovibrio vulgaris Hildenborough (DvH) exhibits high aerotolerance that involves several enzymatic systems, including two membrane-bound oxygen reductases, a bd-quinol oxidase and a cc(b/o)o3 cytochrome oxidase. Effect of constant low oxygen concentration on growth and
M Rendon et al.
Annales de dermatologie et de venereologie, 139 Suppl 4, S153-S158 (2013-04-03)
Hyperpigmentation has traditionally been a relatively difficult condition to treat, especially in darker racial ethnic groups. Multiple topical agents available act upon different steps of the pigmentation pathway. We review these topical agents, their mechanisms of action, and their effectiveness
Ren-Qi Wang et al.
Analytica chimica acta, 853, 608-616 (2014-12-04)
A hydrophilic interaction liquid chromatography (HILIC) method was developed to measure the composition of humic substances from river, reservoir, and treated wastewater based on their physicochemical properties. The current method fractionates the humic substances into four well-defined groups based on
A Fioretti et al.
Acta otorhinolaryngologica Italica : organo ufficiale della Societa italiana di otorinolaringologia e chirurgia cervico-facciale, 35(2), 110-115 (2015-05-29)
The present study aims to evaluate and validate the Italian version of Khalfa's questionnaire on hyperacusis (HQ). We recruited 117 patients (64 men, 53 women, mean age 53 years, range 14-88) with tinnitus for at least 3 months as a
Deniz Türkmen et al.
Colloids and surfaces. B, Biointerfaces, 130, 61-68 (2015-04-25)
One-step activation, purification, and stabilization of lipase enzyme were performed by using composite hydrophobic support at low ionic strength with increased surface area during embedding process. A novel hydrophobic poly(hydroxyethylmethacrylate) [PHEMA] based, poly(glycidyl methacrylate-N-methacryloly-(L)-tryptophan) [PGMATrp] bead embedded composite cryogel membrane
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