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Showing 1 to 12 of 103 entries
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A further insight into the mechanism of biosorption of metals, by examining chitin epr spectra.

Talanta

Tsezos M, Mattar S.
PMID: 18964071
Talanta. 1986 Mar;33(3):225-32. doi: 10.1016/0039-9140(86)80056-x.

Experimental chitin-uranium-copper EPR spectra have been simulated by computer. The simulation suggests that the chitin-copper-uranium EPR spectra are primarily due to a chitin-copper interaction, with insignificant contribution from other paramagnetic species. The simulation suggests two possible complex configurations, both...

Formation of branched calixarene aggregates-a time-resolved static light scattering study.

Journal of the American Chemical Society

Witte T, Decker B, Mattay J, Huber K.
PMID: 15281818
J Am Chem Soc. 2004 Aug 04;126(30):9276-82. doi: 10.1021/ja0493291.

Mixtures of a calix[4]arene and a naphthyridine derivative dissolved in 1,2-dichlorobenzene form thermoreversible aggregates. The aggregation process was followed by means of time-resolved multiangle light scattering at two different mixing ratios, 1:3 and 1:4, yielding a detailed record of...

Oxidative rearrangements of tricyclic vinylcyclobutane derivatives.

Chemistry (Weinheim an der Bergstrasse, Germany)

Grota J, Mattay J, Piech K, Bally T.
PMID: 16596683
Chemistry. 2006 Jun 02;12(17):4559-67. doi: 10.1002/chem.200501338.

Three tricyclic vinylcyclobutanes (3-methylenetricyclo[5.3.0.0(2,6)]decanes 1-3) have been subjected to ionization by photoinduced electron transfer in solution and by X-irradiation in Ar matrices. All three compounds undergo oxidative cycloreversion; the cleavage of the four-membered ring, however, occurs in a different...

Reversible photoswitching of dye-doped core-shell nanoparticles.

Chemical communications (Cambridge, England)

Genovese D, Montalti M, Prodi L, Rampazzo E, Zaccheroni N, Tosic O, Altenhöner K, May F, Mattay J.
PMID: 21909549
Chem Commun (Camb). 2011 Oct 21;47(39):10975-7. doi: 10.1039/c1cc14800a. Epub 2011 Sep 12.

We present a simple and versatile mechanism for the reversible photoswitching of dye-doped core-shell nanoparticles. Photochromic dithienylethenes are incorporated into the outer shell, close enough to the dyes entrapped in the core to efficiently quench them by energy transfer...

Photochromic dithienylethenes with extended pi-systems.

Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology

Tosic O, Altenhöner K, Mattay J.
PMID: 20126784
Photochem Photobiol Sci. 2010 Feb;9(2):128-30. doi: 10.1039/b9pp00100j. Epub 2009 Dec 04.

The syntheses and photochromic properties of six new photochromic dithienylethenes with differently substituted conjugated double bonds at the thiophene units are presented.

Reversible photoswitching of the DNA-binding properties of styrylquinolizinium derivatives through photochromic [2 + 2] cycloaddition and cycloreversion.

Beilstein journal of organic chemistry

Kölsch S, Ihmels H, Mattay J, Sewald N, Patrick BO.
PMID: 32082430
Beilstein J Org Chem. 2020 Jan 23;16:111-124. doi: 10.3762/bjoc.16.13. eCollection 2020.

It was demonstrated that styrylquinolizinium derivatives may be applied as photoswitchable DNA ligands. At lower ligand:DNA ratios (≤1.5), these compounds bind to duplex DNA by intercalation, with binding constants ranging from

Yellow fever reemergence in Venezuela - Implications for international travelers and Latin American countries during the COVID-19 pandemic.

Travel medicine and infectious disease

Rodríguez-Morales AJ, Bonilla-Aldana DK, Suárez JA, Franco-Paredes C, Forero-Peña DA, Mattar S, Villamil-Gómez WE, Ruíz-Sáenz J, Cardona-Ospina JA, Figuera ME, Sierra-Carrero LL, Risquez A, Cimerman S, Valero-Cedeño N, Cabrera M, Robaina-Barrios AJ, López-Díaz L, Barbella R, Navas RM, Díaz-Quijano F, Carrero Y, Pineda A, Brito MO, Savio-Larriera E, Martinez-Gutierrez M, Maquera-Afaray J, Solarte-Portilla MA, Hernández-Botero S, Contreras K, López MG, Henao-Martinez AF, Ortiz-Martinez Y, Chaves TDSS, Orduna T, Lepetic A, Macchi A, Verbanaz S, Perret C, Echazarreta S, Lloveras SC, Gallego V, Navarro JC, Paniz-Mondolfi A.
PMID: 34751150
Travel Med Infect Dis. 2021 Nov-Dec;44:102192. doi: 10.1016/j.tmaid.2021.102192. Epub 2021 Oct 29.

No abstract available.

Unprotected Galactosamine as a Dynamic Key for a Cyclochiral Lock.

Journal of the American Society for Mass Spectrometry

Fraschetti C, Letzel MC, Paletta M, Mattay J, Crestoni ME, Chiavarino B, Filippi A.
PMID: 33499589
J Am Soc Mass Spectrom. 2021 Mar 03;32(3):736-743. doi: 10.1021/jasms.0c00437. Epub 2021 Jan 26.

The discrimination of d-galactosamine (

Effectiveness of the CoronaVac® vaccine in a region of the Colombian Amazon, was herd immunity achieved?.

Tropical diseases, travel medicine and vaccines

Serrano-Coll H, Miller H, Guzmán C, Rivero R, Gastelbondo B, Miranda J, Galeano K, Montaña-Restrepo J, Mattar S.
PMID: 35031076
Trop Dis Travel Med Vaccines. 2022 Jan 15;8(1):2. doi: 10.1186/s40794-021-00159-x.

INTRODUCTION: Currently, more than 4.5 billion doses of SARS-CoV-2 vaccines have been applied worldwide. However, some developing countries are still a long way from achieving herd immunity through vaccination. In some territories, such as the Colombian Amazon, mass immunization...

The Anti-HER3 mAb Seribantumab Effectively Inhibits Growth of Patient-Derived and Isogenic Cell Line and Xenograft Models with Oncogenic .

Clinical cancer research : an official journal of the American Association for Cancer Research

Odintsov I, Lui AJW, Sisso WJ, Gladstone E, Liu Z, Delasos L, Kurth RI, Sisso EM, Vojnic M, Khodos I, Mattar MS, de Stanchina E, Leland SM, Ladanyi M, Somwar R.
PMID: 33824166
Clin Cancer Res. 2021 Jun 01;27(11):3154-3166. doi: 10.1158/1078-0432.CCR-20-3605. Epub 2021 Apr 06.

PURPOSE: Oncogenic fusions involving the EXPERIMENTAL DESIGN: We developed novel patient-derived and isogenic models of NRG1-rearranged cancers and examined the effect of the anti-HER3 antibody, seribantumab, on growth and activation of signaling networks RESULTS: Seribantumab inhibited NRG1-stimulated growth of...

Effectiveness of the CoronaVac® vaccine in a region of the Colombian Amazon, was herd immunity achieved?.

Tropical diseases, travel medicine and vaccines

Serrano-Coll H, Miller H, Guzmán C, Rivero R, Gastelbondo B, Miranda J, Galeano K, Montaña-Restrepo J, Mattar S.
PMID: 35031076
Trop Dis Travel Med Vaccines. 2022 Jan 15;8(1):2. doi: 10.1186/s40794-021-00159-x.

INTRODUCTION: Currently, more than 4.5 billion doses of SARS-CoV-2 vaccines have been applied worldwide. However, some developing countries are still a long way from achieving herd immunity through vaccination. In some territories, such as the Colombian Amazon, mass immunization...

Intelligence, educational attainment, and brain structure in those at familial high-risk for schizophrenia or bipolar disorder.

Human brain mapping

de Zwarte SMC, Brouwer RM, Agartz I, Alda M, Alonso-Lana S, Bearden CE, Bertolino A, Bonvino A, Bramon E, Buimer EEL, Cahn W, Canales-Rodríguez EJ, Cannon DM, Cannon TD, Caseras X, Castro-Fornieles J, Chen Q, Chung Y, De la Serna E, Del Mar Bonnin C, Demro C, Di Giorgio A, Doucet GE, Eker MC, Erk S, Fatjó-Vilas M, Fears SC, Foley SF, Frangou S, Fullerton JM, Glahn DC, Goghari VM, Goikolea JM, Goldman AL, Gonul AS, Gruber O, Hajek T, Hawkins EL, Heinz A, Hidiroglu Ongun C, Hillegers MHJ, Houenou J, Hulshoff Pol HE, Hultman CM, Ingvar M, Johansson V, Jönsson EG, Kane F, Kempton MJ, Koenis MMG, Kopecek M, Krämer B, Lawrie SM, Lenroot RK, Marcelis M, Mattay VS, McDonald C, Meyer-Lindenberg A, Michielse S, Mitchell PB, Moreno D, Murray RM, Mwangi B, Nabulsi L, Newport J, Olman CA, van Os J, Overs BJ, Ozerdem A, Pergola G, Picchioni MM, Piguet C, Pomarol-Clotet E, Radua J, Ramsay IS, Richter A, Roberts G, Salvador R, Saricicek Aydogan A, Sarró S, Schofield PR, Simsek EM, Simsek F, Soares JC, Sponheim SR, Sugranyes G, Toulopoulou T, Tronchin G, Vieta E, Walter H, Weinberger DR, Whalley HC, Wu MJ, Yalin N, Andreassen OA, Ching CRK, Thomopoulos SI, van Erp TGM, Jahanshad N, Thompson PM, Kahn RS, van Haren NEM.
PMID: 33027543
Hum Brain Mapp. 2022 Jan;43(1):414-430. doi: 10.1002/hbm.25206. Epub 2020 Oct 07.

First-degree relatives of patients diagnosed with schizophrenia (SZ-FDRs) show similar patterns of brain abnormalities and cognitive alterations to patients, albeit with smaller effect sizes. First-degree relatives of patients diagnosed with bipolar disorder (BD-FDRs) show divergent patterns; on average, intracranial...

Showing 1 to 12 of 103 entries