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Showing 1 to 12 of 373 entries
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EXAFS and DFT study of the cadmium and lead adsorption on modified silica nanoparticles.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy

Arce VB, Gargarello RM, Ortega F, Romañano V, Mizrahi M, Ramallo-López JM, Cobos CJ, Airoldi C, Bernardelli C, Donati ER, Mártire DO.
PMID: 26135536
Spectrochim Acta A Mol Biomol Spectrosc. 2015 Dec 05;151:156-63. doi: 10.1016/j.saa.2015.06.093. Epub 2015 Jun 24.

Silica nanoparticles of 7 nm diameter were modified with (3-aminopropyl) triethoxysilane (APTES) and characterized by CP-MAS (13)C and (29)Si NMR, FTIR, zeta potential measurements, and thermogravimetry. The particles were shown to sorb successfully divalent lead and cadmium ions from...

Partitioning the metabolic scope: the importance of anaerobic metabolism and implications for the oxygen- and capacity-limited thermal tolerance (OCLTT) hypothesis.

Conservation physiology

Ejbye-Ernst R, Michaelsen TY, Tirsgaard B, Wilson JM, Jensen LF, Steffensen JF, Pertoldi C, Aarestrup K, Svendsen JC.
PMID: 27293766
Conserv Physiol. 2016 Jun 03;4(1):cow019. doi: 10.1093/conphys/cow019. eCollection 2016.

Ongoing climate change is predicted to affect the distribution and abundance of aquatic ectotherms owing to increasing constraints on organismal physiology, in particular involving the metabolic scope (MS) available for performance and fitness. The oxygen- and capacity-limited thermal tolerance...

[Posttreatment alterations to the musculoskeletal system].

Der Radiologe

Schueller-Weidekamm C, Herold C.
PMID: 29116369
Radiologe. 2017 Nov;57(11):889-890. doi: 10.1007/s00117-017-0314-z.

No abstract available.

Role of patient and tumor characteristics in sentinel lymph node metastasis in patients with luminal early breast cancer: an observational study.

SpringerPlus

La Verde N, Biagioli E, Gerardi C, Cordovana A, Casiraghi C, Floriani I, Bernardin E, Farina G, Di Cosimo S, Dazzani MC, Gherardi G.
PMID: 26885467
Springerplus. 2016 Feb 03;5:114. doi: 10.1186/s40064-016-1720-9. eCollection 2016.

Predicting the risk of sentinel lymph node (SLN) metastasis is important for clinical decision-making in the setting of early breast cancer (EBC). This study is aimed to identify tumor and patient characteristics that influenced the SLN metastatic involvement, with...

Feed additives decrease survival of delta coronavirus in nursery pig diets.

Porcine health management

Cottingim KM, Verma H, Urriola PE, Sampedro F, Shurson GC, Goyal SM.
PMID: 28405461
Porcine Health Manag. 2017 Jan 20;3:5. doi: 10.1186/s40813-016-0048-8. eCollection 2017.

BACKGROUND: Feed contaminated with feces from infected pigs is believed to be a potential route of transmission of porcine delta coronavirus (PDCoV). The objective of this study was to determine if the addition of commercial feed additives (e.i., acids,...

Effects of Adsorbed Polyaniline on Redox Processes on As(2)O(3) Surfaces.

Journal of colloid and interface science

de Farias RF, de Souza JM, de Melo JV, Airoldi C.
PMID: 10860605
J Colloid Interface Sci. 2000 Jul 01;227(1):147-151. doi: 10.1006/jcis.2000.6826.

Polyaniline deposited on As(2)O(3) surface resulted in a new material, which was characterized by infrared spectoscopy, thermogravimetry, differential scanning calorimetry, scanning electron microscopy, X-ray diffraction, and cyclic voltammetry. The mass percentage of polymer deposited on oxide surface is approximately...

Some New Data for Metal Desorption on Inorganic-Organic Hybrid Materials.

Journal of colloid and interface science

Cestari AR, Vieira EF, Bruns RE, Airoldi C.
PMID: 10860595
J Colloid Interface Sci. 2000 Jul 01;227(1):66-70. doi: 10.1006/jcis.2000.6841.

A 2(4-1) fractional factorial design is employed to study Cu(II) desorption on organofunctionalized silicas. Two types of silicas, at amounts of 100 and 200 mg and two acidic levels, and contact times were employed. Our study indicates that the...

Nitridation of gate and tunnel oxides employed in CMOS-ULSI technology.

Micron (Oxford, England : 1993)

Gerardi C, Melanotte M, Crivelli B, Zonca R, Alessandri M.
PMID: 10702979
Micron. 2000 Jun;31(3):291-7. doi: 10.1016/s0968-4328(99)00096-7.

Nitridation treatments are very important in CMOS technology because of their capability of improving the gate and tunnel oxide reliability. In this work we report on N2O and NO annealing of pre-oxidised samples showing physical and electrical characteristics of...

The Pesticide 3-(3,4-Dichlorophenyl)-1,1-dimethylurea (Diuron) Immobilized on Silica Gel Surface.

Journal of colloid and interface science

Prado AG, Airoldi C.
PMID: 11254341
J Colloid Interface Sci. 2001 Apr 01;236(1):161-165. doi: 10.1006/jcis.2000.7401.

A route for 3-(3,4-dichlorophenyl)-1,1-dimethylurea (diuron) immobilization on silica gel was established after reacting at the first stage the precursor silylant agent 3-trimethoxysilylpropylamine to the support. The pesticide was covalently bonded to available amine groups of the precursor, giving 1.03...

Purification and characterisation of a beta-glucosidase abundantly expressed in ripe sweet cherry (Prunus avium L.) fruit.

Plant science : an international journal of experimental plant biology

Gerardi C, Blando F, Santino A, Zacheo G.
PMID: 11297776
Plant Sci. 2001 Apr;160(5):795-805. doi: 10.1016/s0168-9452(00)00423-4.

A beta-glucosidase (beta-D-glucoside glucohydrolase, EC 3.2.1.21) was purified to homogeneity from ripe fruits of sweet cherry (Prunus avium L.) by ammonium sulphate precipitation, ion exchange and size exclusion chromatography. The enzyme is a monomer with a molecular mass of...

Hybrid aniline/silica xerogel cation adsorption and thermodynamics of interaction.

Journal of colloid and interface science

Pavan FA, Lima IS, Benvenutti EV, Gushikem Y, Airoldi C.
PMID: 15178263
J Colloid Interface Sci. 2004 Jul 15;275(2):386-91. doi: 10.1016/j.jcis.2004.03.006.

Aniline groups chemically immobilized on silica through the sol-gel process were employed to extract divalent nickel and manganese from aqueous solutions at room temperature. The maximum adsorption capacity of the xerogel was studied from adsorption isotherms using a batch...

Chemisorption and thermodynamic data of the interaction between a chelate free acidic center with basic groups attached to grafted silicas.

Journal of colloid and interface science

Arakaki LN, de Sousa AN, Espínola JG, Oliveira SF, Airoldi C.
PMID: 16290599
J Colloid Interface Sci. 2002 May 15;249(2):290-4. doi: 10.1006/jcis.2002.8290.

The molecule 2-aminoethanethiol was added to the grafted silylant agent [(3-chlorosilylpropyl)trimethoxysilane] (cpts) onto silica gel(triple bond SilCl), obtaining a surface (triple bond SilSNH(2)) and giving 0.70 mmol g(-1) of nitrogen; the surface of silica was modified with [(3-mercaptosilylpropyl)trimethoxysilane] (mpts)...

Showing 1 to 12 of 373 entries