IRIS - Res&Arch Institutional Research Information System - Research & Archive

COSTANTINO, Umberto
 Distribuzione geografica
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Continente #
NA - Nord America 5.485
EU - Europa 4.323
AS - Asia 3.551
SA - Sud America 630
AF - Africa 90
Continente sconosciuto - Info sul continente non disponibili 9
OC - Oceania 3
Totale 14.091
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Nazione #
US - Stati Uniti d'America 5.370
SG - Singapore 1.557
UA - Ucraina 1.106
IE - Irlanda 673
RU - Federazione Russa 599
HK - Hong Kong 564
BR - Brasile 462
CN - Cina 443
SE - Svezia 421
IT - Italia 341
DE - Germania 300
VN - Vietnam 277
FR - Francia 262
KR - Corea 252
FI - Finlandia 249
GB - Regno Unito 163
IN - India 75
TR - Turchia 63
CA - Canada 60
AR - Argentina 57
BD - Bangladesh 55
MX - Messico 38
PL - Polonia 36
UZ - Uzbekistan 35
IQ - Iraq 34
CH - Svizzera 32
BE - Belgio 31
CO - Colombia 28
VE - Venezuela 26
JP - Giappone 25
PK - Pakistan 25
NL - Olanda 24
ZA - Sudafrica 24
ID - Indonesia 23
EC - Ecuador 18
SA - Arabia Saudita 18
MA - Marocco 14
PH - Filippine 13
ES - Italia 12
IR - Iran 12
CL - Cile 11
AT - Austria 10
GR - Grecia 10
LB - Libano 10
PE - Perù 10
EG - Egitto 9
KE - Kenya 9
AE - Emirati Arabi Uniti 8
CZ - Repubblica Ceca 8
MY - Malesia 8
AZ - Azerbaigian 7
TN - Tunisia 7
BO - Bolivia 6
EU - Europa 6
LT - Lituania 6
PT - Portogallo 6
PY - Paraguay 6
IL - Israele 5
JO - Giordania 5
PS - Palestinian Territory 5
RO - Romania 5
AO - Angola 4
DZ - Algeria 4
ET - Etiopia 4
KZ - Kazakistan 4
LY - Libia 4
NP - Nepal 4
OM - Oman 4
TH - Thailandia 4
UY - Uruguay 4
AL - Albania 3
GT - Guatemala 3
IS - Islanda 3
MD - Moldavia 3
RS - Serbia 3
SY - Repubblica araba siriana 3
XK - ???statistics.table.value.countryCode.XK??? 3
AU - Australia 2
BG - Bulgaria 2
BN - Brunei Darussalam 2
BY - Bielorussia 2
CR - Costa Rica 2
DO - Repubblica Dominicana 2
HN - Honduras 2
HU - Ungheria 2
JM - Giamaica 2
KW - Kuwait 2
LK - Sri Lanka 2
ME - Montenegro 2
MK - Macedonia 2
MM - Myanmar 2
MU - Mauritius 2
PA - Panama 2
SN - Senegal 2
SV - El Salvador 2
AD - Andorra 1
AM - Armenia 1
BB - Barbados 1
BF - Burkina Faso 1
BH - Bahrain 1
Totale 14.072
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Città #
Singapore 1.058
Chandler 798
Dublin 671
Jacksonville 567
Hong Kong 558
San Jose 435
San Mateo 359
Ashburn 291
Boardman 265
Seoul 247
Santa Clara 200
Moscow 178
Medford 176
Princeton 175
Lauterbourg 155
Ann Arbor 146
Wilmington 127
Dong Ket 126
Beijing 107
Piscataway 99
Andover 88
Los Angeles 73
Munich 68
Altamura 63
Des Moines 58
Shanghai 57
Ho Chi Minh City 56
Saint Petersburg 49
Helsinki 48
Lawrence 47
São Paulo 44
The Dalles 44
New York 41
Perugia 36
Izmir 29
Woodbridge 28
Brussels 27
Turku 27
Hanoi 26
Montreal 25
Orem 25
Norwalk 24
Monmouth Junction 23
Dallas 22
Frankfurt am Main 22
Columbus 21
Toronto 21
Houston 20
Tokyo 20
Warsaw 19
Council Bluffs 17
Johannesburg 17
Tashkent 17
Rome 15
Brooklyn 14
Rio de Janeiro 14
Atlanta 13
Auburn Hills 13
Denver 13
Poplar 13
Porto Alegre 13
Simi Valley 13
Stockholm 13
Baghdad 12
Chicago 12
Falls Church 12
London 12
Bogotá 11
Amsterdam 10
Avezzano 10
Chennai 10
Milan 10
Philadelphia 10
Phoenix 10
San Paolo di Civitate 10
Ankara 9
Ardabil 9
Belo Horizonte 9
Buenos Aires 9
Nairobi 9
Naples 9
San Francisco 9
Delhi 8
Den Haag 8
Dhaka 8
Lima 8
Mexico City 8
Sorocaba 8
Baku 7
Brasília 7
Istanbul 7
Quito 7
San Diego 7
Santo André 7
Tianjin 7
Da Nang 6
Falkenstein 6
Redwood City 6
Santiago 6
Adelfia 5
Totale 8.392
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Nome #
alfa-FOSFATO DI ZIRCONIO COME CATALIZZATORE ETEROGENEO NELLA REAZIONE DI DIELS-ALDER, ACIDO DI BRONSTED CATALIZZATA, DI UNA VARIETA' DI IMMINE CON DIENI 157
Intercalazione e deintercalazione di principi attivi in solidi lamellari. Intercalazione di flucitosina in fosfato di zirconio. 146
Thermal Effect on Mixed Metal (Zn/Al) Layered Double Hydroxides: Direct Modeling of the X-Ray Powder Diffraction Line Shape Through Molecular Dynamics Simulations 137
Alpha-Zirconium Hydrogen Phosphate and Phosphonates as Heterogeneous Bronsted Acid Catalyst for direct Aza-Diels-Alder Reaction in Water 135
Fosfati di zirconio variamente funzionalizzati quali matrici solide per l’immobilizzazione della Lipasi da Candida Rugosa 131
Aza-Diels-Alder reaction of Danishefsky's diene with immines catalyzed by porous α-zirconium hydrogen phosphate and SDS under solvent-free conditions 129
Cu-Zn-Al hydrotalcites as precursors of catalysts for the production of hydrogen from methanol 127
H2 production over Cu/ZnO/Al2O3 hydrotalcites derived catalysts: mechanism and reaction path 120
Insersion of copper ions into the brucite layers of Zn-Al hydrotalcite and structural and spectroscopic studies of materials obtained. 120
Nanocomposites from polymers and organically modified layered hydrotalcites and zirconium phosphates 119
H2 production by oxidative steam reforming of methanol on hydrotalcite-derived catalysts:mechanism and reaction path. 117
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. 117
Characterization of rhodamine B-clay polymer composites by steady state and space-resolved fluorescence 115
Anion exchange of methylorange into Zn-Al- synthetic hydrotalcite and photophysical characterization of the intercalates obtained 115
Intercalation products of clay and of clay-polypropylene composites with rhodamine B. Preparation and characterization by spectroscopic methods and fluorescence confocal microscopy. 114
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. 112
Layered zirconium phosphates and phosphonates: a large class of versatile functional solids. Recent developments and future prospects 111
Clay based polymeric composites: preparation and quality characterization 111
An IR Study of Methanol Steam Reforming over ex-hydrotalcite Cu-Zn-Al catalysts 111
Intercalation products of clay and of clay-polypropylene composites with rhodamine B. Preparation and characterization by spectroscopic methods and by confocal fluorescence microscopy 110
Intercalation and release of antiinflammatory drug diclofenac into nanosized ZnAl hydrotalcite-like compound 110
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 109
Crystal engineering on novel zirconium phosphonates 108
Photophysical properties of organic dyes intercalated in hydrotalcites. 107
Structural diversity on novel zirconium phosphonates: synthesis and crystal structure from X-ray powder data. 105
New functional solids based on zirconium aminophosphonates with different dimensionality 105
Allergic sensitization to common pets (cats/dogs) according to different possible modalities of exposure: An Italian Multicenter Study 105
“Production of hydrogen from oxidative steam reforming of methanol II. Catalytic activity and reaction mechanism on Cu/ZnO/Al2O3 hydrotalcite-derived catalysts” 104
New heterogeneous Catalysis for the 4H-chromene derivatives preparation. 103
Catalytic Activity of Myoglobin Immobilized on Zirconium Phosphonates 103
Intercalation of antiinflammatory agents in hydrotalcite-like compounds and controlled release formulations. 103
Adsorption of myoglobin onto porous zirconium phosphate and zirconium benzenephosphonate obtained with template synthesis. 102
Synthesis, structural aspects and properties of a new class of functionalised zirconium diphosphonates 99
Recent progress in the synthesis and application of organically modified hydrotalcites 99
Reaction path of ethanol and acetic acid steam reforming over Ni-Zn-Al catalysts. Flow reaction studies 99
Polymeric compositescostituted by polystyrene and Zn-Al/hydrotalcites grafted with benzenephosphonate. 98
Fosfati e fosfonati di zirconio in microemulsioni acqua-in-olio: preparazione e caratterizzazione 98
A new photo-functional material constituted by a spirooxazine supported on a zirconium diphosphonate fluoride 98
PREPARAZIONE, CARATTERIZZAZIONE ED UTILIZZO IN CATALISI ASIMMETRICA ETEROGENEA DELL'alfa-FOSFATO DI ZIRCONIO FUNZIONALIZZATO CON PROLINA 97
A novel integrated X-ray Powder Diffraction (XRPD) and molecular dynamics (MD) approach for modelling mixed metal ((Zn, Al) layered double hydroxides (LDHs) 97
Hydrogen production by ethanol steam reforming over Ni catalysts derived from hydrotalcite-like precursors: Catalyst characterization, catalytic activity and reaction path 97
Cu-Zn-Al hydrotalcites as precursors of catalysts for the production of hydrogen from methanol 97
Preparation of zirconium phosphates nanoparticles in water in oil microemulsions and their characterization. 96
Inorganic ion-exchange pellicles obtained by delamination of α-zirconium phosphate crystals 96
Intercalation of a nitronyl nitroxide radical into layered inorganic hosts. Preparation and physico-chemical characterization 95
Hydrotalcite-like compounds as catalysts in liquid phase organic synthesis I. Knoevenagel condensation promoted by [Ni0.63Al0.27(OH)2](CO3)0.135 95
Intercalation and deintercalation of active compounds in layered solids. III. Intercalation of idralazine in alfa-zirconium hydrogen phosphate 95
A simple and effective method to form metallic nanoparticles onto composites made up of organic polymers and layered inorganic ion exchangers as fillers 95
Mechanism and reaction path study of OSRM process over hydrotalcite-derived catalysts 94
Impiego di idrotalciti quali catalizzatori solidi basici nella sintesi di 4H-cromeni. 94
New alpha-Zirconium Hydrogen Phosphates with high surface area as heterogeneous catalyst for Direct Aza-Diels-Alder. 94
Cu-Zn-Al hydrotalcites as precursors of catalysts for the production of hydrogen from methanol 94
Nanocomposites from polymers and organically modified hydrotalcites. 93
Mesoporous Silicate MCM-41 Containing Organic Ultraviolet Ray Absorbents: Preparation, Photostability and in Vitro Release. 7th Intyernational Conference Solid State Chemistry 93
Catalytic properties of enzymes adsorbed on layered zirconium phosphate and phosphonates 93
Chiral Borane of Layered alfa-Zirconium-N-(m-Solfofenyl)-L-Valine-Phosphonate Methanphosphonate Promoters for the Asymmetric Mukaiyama Aldxol Reaction 93
Direct Aza Diels-Alder Reaction in Water Catalyzed by Layered α-Zirconium Hydrogen Phosphate and SDS 93
Sintesi di 4H-cromeni mediata da idrotalciti 92
Incorporation of Mg Al hydrotalcite into a biodegradable poly(e-caprolactone) by High Energy Ball Milling 92
Reazioni di epossidazione di derivati carbonilici alfa,beta-insaturi catalizzate da idrotalciti. 92
Hydrotacite-like anionic clays as hosts of molecular anions with bio-pharmaceutical activity 92
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 92
Zirconium Sulfophenyl Phosphonate as a Heterogeneous Catalyst in Tetrahydropyranylation of Alcohols and Phenols. 92
Hydrotalcite-like Nanocrystals from water-in-oil microemulsions 92
ac Conductivity of cerium (IV) phosphate in hydrogen form 92
Zinc-Aluminum Hydrotalcites as Precursors of Basic Catalysts: Preparation, Characterization and Study of the Activation of Methanol 91
Intercalazione e deintercalazione di principi attivi basici nel fosfato di zirconio lamellare 90
Layered zirconium sulfophenyl phosphonate as heterogeneous catalyst in the synthesis of pyrazoles and 4,5,6,7,-tetrahydro-1(2)H-indazoles. 89
Ion exchange and intercalation properties of layered double hydroxides towards halide anions 88
Preparation and characterization of hydrotalcite/carboxyadamantane intercalation compounds as fillers of polymeric nanocomposites 87
Layered and pillared Metal(IV) Phosphates and Phosphonates 87
Hydrotalcite-like nano crystals from Water in Oil Microemulsions 86
Sintesi di idrotalciti mediante la tecnica delle microemulsioni:caratterizzazione ed applicazioni 86
Sintesi di idrotalciti mediante la tecnica delle microemulsioni e loro caratterizzazione 86
Intercalazione e deintercalazione di principi attivi in solidi lamellari. II. Intercalazione di isoniazide in fosfato acido di zirconio. 86
Crystal engineering on new zirconium polyphosphonates. 85
On the Intercalation of the Iodine - Iodide Couple on Layered Double Hydroxides with Different Particle Size 85
Preparation and spectroscopic characterisation of intercalation products of clay and of cla-polypropylene composites with Rhodamine B. 84
Nickel versus Cobalt catalysts for hydrogen production by ethanol steam reforming: Ni-Co-Zn-Al catalysts from hydrotalcite-like precursors 84
Use of anionic clays for photoprotection and sunscreen photostability: hydrotalcites and phenylbenzimidazole sulphonic acid. 84
Highly protonated zirconium polyphosphates with an open-framework structure 83
Sunscreen immobilization on ZnAl-hydrotalcite for new cosmetic formulations. 83
Anti-inflammatory drug incorporation into polymeric nanohydrids for local controlled release. 83
New inorganic-organic solid based on zirconium aminopolyphosphonates 82
Protonic conduction of polyhydrated phases obtained from colloidal dispersions of α-zirconium 82
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) 81
MgAl-Hydrotalcite for storage and shielding of photoinstable drugs. Case of diclofenac. 81
Space-resolved fluorescence properties of phenolphtalein-hydrotalcite nanocomposites 81
Intercalation and in situ polymerization of acrylate anions into galleries of layered double hydroxides., 80
H2 production by oxidative steam reforming of methanol on Cu-Zn-Al catalysts derived from layered double hydroxides precursors. 80
New polimeric composites based on poly(epsilon-Caprolactone) and layered Double Hydroxides containing antimicrobial species 80
Production of hydrogen from oxidative steam reforming of methanol. Part II Catalytic activity of and reaction mechanism on Cu/ZnO/Al2O3 ex-Hydrotalcite catalyst 79
Intercalation chemistry of hydrotalcite-like compounds: recent progress and application 78
Hydrotalcite-like compounds hosts of molecular anions with biological activity and their use as filler of biodegradable polymers. 78
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. 78
Use of anionic clays for photoprotection and sunscreen photostability: hydrotalcites and phenylbenzimidazole sulphonic acid. 78
Composite Nafion Membranes based on PWA-Zirconia for PEFCs Operating at Medium Temperature 78
New open-framework zirconium polyphosphonates 78
Hydrotalcite-like compounds:versatile layered hosts of molecular anions with bio-pharmaceutical activity. 77
Cu/ZnO/Al2O3 catalysts for oxidative steam reforming of methanol:the role of Cu and the dispersing oxide matrix. 76
Totale 9.740
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Categoria #
all - tutte 58.902
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 58.902
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2020/2021369 0 0 0 0 0 0 0 0 0 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
2023/2024906 42 88 52 17 11 21 152 37 245 14 97 130
2024/20252.189 44 270 61 94 305 90 36 138 434 139 389 189
2025/20264.117 365 282 169 645 507 319 745 204 572 309 0 0
Totale 14.352