COSTANTINO, Umberto
 Distribuzione geografica
Continente #
NA - Nord America 3.637
EU - Europa 3.274
AS - Asia 653
SA - Sud America 9
Continente sconosciuto - Info sul continente non disponibili 6
AF - Africa 3
Totale 7.582
Nazione #
US - Stati Uniti d'America 3.618
UA - Ucraina 1.095
IE - Irlanda 672
SE - Svezia 412
HK - Hong Kong 344
IT - Italia 242
FI - Finlandia 194
DE - Germania 193
RU - Federazione Russa 166
VN - Vietnam 127
GB - Regno Unito 113
CN - Cina 90
FR - Francia 69
CH - Svizzera 31
BE - Belgio 30
TR - Turchia 28
SG - Singapore 20
PL - Polonia 15
CA - Canada 13
UZ - Uzbekistan 12
IR - Iran 10
NL - Olanda 8
AT - Austria 7
CZ - Repubblica Ceca 7
GR - Grecia 7
LB - Libano 7
EU - Europa 6
KR - Corea 6
MX - Messico 6
CO - Colombia 4
EC - Ecuador 3
RO - Romania 3
DZ - Algeria 2
IN - India 2
JP - Giappone 2
RS - Serbia 2
BG - Bulgaria 1
BO - Bolivia 1
EE - Estonia 1
ES - Italia 1
IL - Israele 1
IS - Islanda 1
ME - Montenegro 1
MM - Myanmar 1
NO - Norvegia 1
NP - Nepal 1
PH - Filippine 1
PS - Palestinian Territory 1
PT - Portogallo 1
PY - Paraguay 1
SK - Slovacchia (Repubblica Slovacca) 1
ZA - Sudafrica 1
Totale 7.582
Città #
Chandler 798
Dublin 670
Jacksonville 567
San Mateo 359
Hong Kong 340
Medford 176
Princeton 175
Ann Arbor 146
Dong Ket 126
Wilmington 126
Andover 88
Altamura 63
Ashburn 60
Des Moines 58
Saint Petersburg 49
Lawrence 47
Beijing 45
Shanghai 41
Perugia 34
Izmir 28
Woodbridge 28
Brussels 26
Los Angeles 25
Norwalk 24
Monmouth Junction 23
Helsinki 20
Boardman 18
Moscow 17
Auburn Hills 13
Simi Valley 13
Falls Church 12
Houston 12
Singapore 12
Toronto 11
San Paolo di Civitate 10
Ardabil 9
Philadelphia 9
Den Haag 8
New York 7
San Diego 7
Milan 6
Redwood City 6
Rome 6
Adelfia 5
Chicago 5
Edinburgh 5
Frankfurt Am Main 5
Leawood 5
Radomsko 5
Stockholm 5
Bogotá 4
Brussel 4
Central 4
Kiev 4
Napoli 4
Atri 3
Città Di Castello 3
Gif-sur-yvette 3
Montalto Uffugo 3
Quito 3
Redmond 3
Belgrade 2
Bologna 2
Dearborn 2
Florence 2
Kraków 2
Las Vegas 2
Lausanne 2
Locate Di Triulzi 2
Mexico City 2
Montreal 2
Paris 2
Prague 2
Seoul 2
Tappahannock 2
Terni 2
Timisoara 2
Tokyo 2
Tuoro sul Trasimeno 2
Apricena 1
Asunción 1
Benevento 1
Blaise 1
Bucharest 1
Carson City 1
Castiglione del Lago 1
Cavarzere 1
Cento 1
Cernusco sul Naviglio 1
Cochabamba 1
Corciano 1
Cork 1
Costabissara 1
Dallas 1
Easton 1
Enniscorthy 1
Fermo 1
Ferrara 1
Figline Valdarno 1
Forlì 1
Totale 4.448
Nome #
Nanocomposites from polymers and organically modified layered hydrotalcites and zirconium phosphates 92
Fosfati di zirconio variamente funzionalizzati quali matrici solide per l’immobilizzazione della Lipasi da Candida Rugosa 86
Thermal Effect on Mixed Metal (Zn/Al) Layered Double Hydroxides: Direct Modeling of the X-Ray Powder Diffraction Line Shape Through Molecular Dynamics Simulations 85
H2 production over Cu/ZnO/Al2O3 hydrotalcites derived catalysts: mechanism and reaction path 81
H2 production by oxidative steam reforming of methanol on hydrotalcite-derived catalysts:mechanism and reaction path. 77
New functional solids based on zirconium aminophosphonates with different dimensionality 75
Microwave-assisted intercalation of 1-alkanols and 1,omega-alkanediols into alpha-zirconium phosphate. Evidence of conformational phase transitions in the bimolecular film of alkyl chains 74
Preparation, Characterization, and Structure of Zirconium Fluoride Alkylamino-N,N-bis Methylphosphonates: A New Design for Layered Zirconium Diphosphonates with a Poorly Hindered Interlayer Region. 72
Photophysical properties of organic dyes intercalated in hydrotalcites. 71
Intercalazione e deintercalazione di principi attivi in solidi lamellari. Intercalazione di flucitosina in fosfato di zirconio. 71
Crystal engineering on novel zirconium phosphonates 70
Cu-Zn-Al hydrotalcites as precursors of catalysts for the production of hydrogen from methanol 70
Structural diversity on novel zirconium phosphonates: synthesis and crystal structure from X-ray powder data. 67
Layered zirconium phosphates and phosphonates: a large class of versatile functional solids. Recent developments and future prospects 67
alfa-FOSFATO DI ZIRCONIO COME CATALIZZATORE ETEROGENEO NELLA REAZIONE DI DIELS-ALDER, ACIDO DI BRONSTED CATALIZZATA, DI UNA VARIETA' DI IMMINE CON DIENI 67
Alpha-Zirconium Hydrogen Phosphate and Phosphonates as Heterogeneous Bronsted Acid Catalyst for direct Aza-Diels-Alder Reaction in Water 66
Aza-Diels-Alder reaction of Danishefsky's diene with immines catalyzed by porous α-zirconium hydrogen phosphate and SDS under solvent-free conditions 66
Preparation of zirconium phosphates nanoparticles in water in oil microemulsions and their characterization. 65
Reazioni di epossidazione di derivati carbonilici alfa,beta-insaturi catalizzate da idrotalciti. 65
Hydrotalcite-like compounds as catalysts in liquid phase organic synthesis I. Knoevenagel condensation promoted by [Ni0.63Al0.27(OH)2](CO3)0.135 65
Intercalation products of clay and of clay-polypropylene composites with rhodamine B. Preparation and characterization by spectroscopic methods and by confocal fluorescence microscopy 63
PREPARAZIONE, CARATTERIZZAZIONE ED UTILIZZO IN CATALISI ASIMMETRICA ETEROGENEA DELL'alfa-FOSFATO DI ZIRCONIO FUNZIONALIZZATO CON PROLINA 62
Zirconium Sulfophenyl Phosphonate as a Heterogeneous Catalyst in Tetrahydropyranylation of Alcohols and Phenols. 62
Integrated XRPD-MD Study of Thermal effects on mixed metal (Cu/Zn/Al) layered double hydroxides (LDHs), precursors for the OSRM reaction catalysts XXXV Congresso Nazionale della Divisione di Chimica Inorganica della Società Chimica Italiana. 61
Synthesis, structural aspects and properties of a new class of functionalised zirconium diphosphonates 60
Impiego di idrotalciti quali catalizzatori solidi basici nella sintesi di 4H-cromeni. 60
Intercalation products of clay and of clay-polypropylene composites with rhodamine B. Preparation and characterization by spectroscopic methods and fluorescence confocal microscopy. 60
Characterization of rhodamine B-clay polymer composites by steady state and space-resolved fluorescence 60
Anion exchange of methylorange into Zn-Al- synthetic hydrotalcite and photophysical characterization of the intercalates obtained 60
Mechanism and reaction path study of OSRM process over hydrotalcite-derived catalysts 59
Nanocomposites from polymers and organically modified hydrotalcites. 59
Hydrotacite-like anionic clays as hosts of molecular anions with bio-pharmaceutical activity 58
Fosfati e fosfonati di zirconio in microemulsioni acqua-in-olio: preparazione e caratterizzazione 58
Sintesi di 4H-cromeni mediata da idrotalciti 57
Incorporation of Mg Al hydrotalcite into a biodegradable poly(e-caprolactone) by High Energy Ball Milling 57
An IR Study of Methanol Steam Reforming over ex-hydrotalcite Cu-Zn-Al catalysts 57
Clay based polymeric composites: preparation and quality characterization 56
Inorganic ion-exchange pellicles obtained by delamination of α-zirconium phosphate crystals 56
New inorganic-organic solid based on zirconium aminopolyphosphonates 55
Intercalation chemistry of hydrotalcite-like compounds: recent progress and application 55
Anti-inflammatory drug incorporation into polymeric nanohydrids for local controlled release. 55
Adsorption of myoglobin onto porous zirconium phosphate and zirconium benzenephosphonate obtained with template synthesis. 55
Cu-Zn-Al hydrotalcites as precursors of catalysts for the production of hydrogen from methanol 55
Intercalation of a nitronyl nitroxide radical into layered inorganic hosts. Preparation and physico-chemical characterization 54
New heterogeneous Catalysis for the 4H-chromene derivatives preparation. 54
Insersion of copper ions into the brucite layers of Zn-Al hydrotalcite and structural and spectroscopic studies of materials obtained. 54
Mesoporous Silicate MCM-41 Containing Organic Ultraviolet Ray Absorbents: Preparation, Photostability and in Vitro Release. 7th Intyernational Conference Solid State Chemistry 54
Layered zirconium sulfophenyl phosphonate as heterogeneous catalyst in the synthesis of pyrazoles and 4,5,6,7,-tetrahydro-1(2)H-indazoles. 53
Protonic conduction of polyhydrated phases obtained from colloidal dispersions of α-zirconium 53
Preparation and spectroscopic characterisation of intercalation products of clay and of cla-polypropylene composites with Rhodamine B. 52
Sunscreen immobilization on ZnAl-hydrotalcite for new cosmetic formulations. 52
Preparation of interstratified compounds by intercalation and in situ polymerization of acrylate anions into the galleries of layered double hydroxides. 51
Cu/ZnO/Al2O3 catalysts for oxidative steam reforming of methanol:the role of Cu and the dispersing oxide matrix. 51
MgAl-Hydrotalcite for storage and shielding of photoinstable drugs. Case of diclofenac. 51
Layered and pillared Metal(IV) Phosphates and Phosphonates 51
Polymeric compositescostituted by polystyrene and Zn-Al/hydrotalcites grafted with benzenephosphonate. 50
Hydrotalcite-like compounds:versatile layered hosts of molecular anions with bio-pharmaceutical activity. 50
Production of hydrogen from oxidative steam reforming of methanol. Part II Catalytic activity of and reaction mechanism on Cu/ZnO/Al2O3 ex-Hydrotalcite catalyst 50
Hydrotalcite-like Nanocrystals from water-in-oil microemulsions 50
Intercalation and release of antiinflammatory drug diclofenac into nanosized ZnAl hydrotalcite-like compound 50
Allergic sensitization to common pets (cats/dogs) according to different possible modalities of exposure: An Italian Multicenter Study 50
Use of anionic clays for photoprotection and sunscreen photostability: hydrotalcites and phenylbenzimidazole sulphonic acid. 49
Preparation and characterization of hydrotalcite/carboxyadamantane intercalation compounds as fillers of polymeric nanocomposites 49
On the Intercalation of the Iodine - Iodide Couple on Layered Double Hydroxides with Different Particle Size 49
Crystal engineering on new zirconium polyphosphonates. 48
Zinc-Aluminum Hydrotalcites as Precursors of Basic Catalysts: Preparation, Characterization and Study of the Activation of Methanol 48
Intercalation and in situ polymerization of acrylate anions into galleries of layered double hydroxides., 47
H2 production by oxidative steam reforming of methanol on Cu-Zn-Al catalysts derived from layered double hydroxides precursors. 47
Fosfati e Fosfonati di Zirconio Lamellari come Catalizzatori in Fase Eterognea nella sintesi organica. 47
Sintesi di idrotalciti mediante la tecnica delle microemulsioni e loro caratterizzazione 47
Flurbiprofen immobilization in MgAl-hydrotalcite and in vitro relase studies. 46
Hydrotalcite-like compounds hosts of molecular anions with biological activity and their use as filler of biodegradable polymers. 46
New open-framework zirconium polyphosphonates 46
New alpha-Zirconium Hydrogen Phosphates with high surface area as heterogeneous catalyst for Direct Aza-Diels-Alder. 46
Hydrogen production by ethanol steam reforming over Ni catalysts derived from hydrotalcite-like precursors: Catalyst characterization, catalytic activity and reaction path 46
Intercalazione e deintercalazione di principi attivi basici nel fosfato di zirconio lamellare 46
POLYMERIC MATERIALS FOR ACTIVE FOOD PACKAGINGS ABLE TO PROTECT AND TO ENHANCE THE QUALITY OF THE CONTAINED FOOD PRODUCTS AND TO REDUCE THEIR PRESERVATION TREATMENTS 45
Chiral Borane of Layered alfa-Zirconium-N-(m-Solfofenyl)-L-Valine-Phosphonate Methanphosphonate Promoters for the Asymmetric Mukaiyama Aldxol Reaction 45
ac Conductivity of cerium (IV) phosphate in hydrogen form 45
New open-framework zirconium polyphosphonates 45
Molecular dynamics (MD) and powder X rai diffraction (XRD) combined study of the solid state structure of low crystalline mixed-metal (Cu, Zn, Al) layred double hydroxides (LDH) 44
Nickel versus Cobalt catalysts for hydrogen production by ethanol steam reforming: Ni-Co-Zn-Al catalysts from hydrotalcite-like precursors 44
Heterogeneous catalysis in trimethylsilylation of alcohols and phenols by zirconium sulfophenyl phosphonate 44
Catalytic properties of enzymes adsorbed on layered zirconium phosphate and phosphonates 44
Intercalation of antiinflammatory agents in hydrotalcite-like compounds and controlled release formulations. 44
Interlayer organization of benzoate anions into ZnAl-hydrotalcite from experimental and molecular modelling data. XXXV Congresso Nazionale della Divisione Società Chimica Inorganica della Società Chimica Italiana. 43
Sintesi di idrotalciti mediante la tecnica delle microemulsioni:caratterizzazione ed applicazioni 43
New polimeric composites based on poly(epsilon-Caprolactone) and layered Double Hydroxides containing antimicrobial species 43
Use of anionic clays for photoprotection and sunscreen photostability: hydrotalcites and phenylbenzimidazole sulphonic acid. 43
“Production of hydrogen from oxidative steam reforming of methanol II. Catalytic activity and reaction mechanism on Cu/ZnO/Al2O3 hydrotalcite-derived catalysts” 42
Heterogeneous Catalysis in Liquid Phase Organic Synthesis, Promoted by Layered Zirconium Phosphates and Phosphonates 42
Cu-Zn-Al hydrotalcites as precursors of catalysts for the production of hydrogen from methanol 42
Intercalation compounds of α-zirconium hydrogen phosphate with heterocyclic bases and their ac conductivity 42
Processi di scambio anionico e di intercalazione di farmaci antiinfiammatori non steroidei nell'idrotalcite sintetica lamellare 42
Recent progress in the synthesis and application of organically modified hydrotalcites 41
Chiral borane of layered α-Zirconium-N-(m-solfophenyl)-L-Valine-Phosphonate Methanphosphonate promoters for the asymmetric Mukaiyama Aldol reaction 41
Manipulation of synthetic anionic clays to obtain materials for various applications 40
Highly protonated zirconium polyphosphates with an open-framework structure 40
Sistemi di incorporazione e fissaggio di antimicrobici, antiossidanti e assorbitori di ossigeno in matrici polimeriche; processo di preparazione e impieghi nel campo degli imballaggi alimentari 40
Hydrotalcite-like nano crystals from Water in Oil Microemulsions 40
Totale 5.453
Categoria #
all - tutte 27.183
article - articoli 0
book - libri 0
conference - conferenze 0
curatela - curatele 0
other - altro 0
patent - brevetti 0
selected - selezionate 0
volume - volumi 0
Totale 27.183


Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2018/201945 0 0 0 0 0 0 0 0 0 0 42 3
2019/2020852 16 5 150 8 144 7 153 4 165 38 12 150
2020/20211.695 10 160 55 168 497 77 159 3 197 52 165 152
2021/20221.410 65 245 45 86 31 12 8 458 16 17 151 276
2022/20232.362 225 283 56 193 190 263 5 130 854 9 114 40
2023/2024703 42 88 52 17 11 21 152 37 245 14 24 0
Totale 7.843