IRIS
LEDDA, Sergio
 Distribuzione geografica
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Continente #
NA - Nord America 14.080
AS - Asia 8.369
EU - Europa 4.776
SA - Sud America 4.581
Continente sconosciuto - Info sul continente non disponibili 306
AF - Africa 274
OC - Oceania 29
AN - Antartide 1
Totale 32.416
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Nazione #
US - Stati Uniti d'America 13.775
BR - Brasile 4.077
SG - Singapore 3.353
CN - Cina 2.629
UA - Ucraina 1.651
HK - Hong Kong 676
DE - Germania 671
IT - Italia 599
VN - Vietnam 532
SE - Svezia 445
FI - Finlandia 324
FR - Francia 314
GB - Regno Unito 250
IN - India 190
AR - Argentina 187
TR - Turchia 153
BD - Bangladesh 118
MX - Messico 118
IQ - Iraq 114
CA - Canada 102
RU - Federazione Russa 102
EC - Ecuador 82
UZ - Uzbekistan 72
ZA - Sudafrica 72
JP - Giappone 67
MA - Marocco 66
VE - Venezuela 66
PL - Polonia 62
KR - Corea 60
CO - Colombia 59
ES - Italia 57
CZ - Repubblica Ceca 56
PK - Pakistan 54
BE - Belgio 51
NL - Olanda 49
ID - Indonesia 42
KE - Kenya 34
PY - Paraguay 32
AU - Australia 26
AZ - Azerbaigian 26
CL - Cile 26
AE - Emirati Arabi Uniti 25
JO - Giordania 24
TN - Tunisia 24
IR - Iran 23
NP - Nepal 23
EU - Europa 22
KZ - Kazakistan 20
PH - Filippine 20
SA - Arabia Saudita 20
UY - Uruguay 20
PE - Perù 19
DZ - Algeria 18
IL - Israele 18
JM - Giamaica 18
AL - Albania 17
EG - Egitto 17
LB - Libano 17
LT - Lituania 15
DO - Repubblica Dominicana 14
AT - Austria 13
CR - Costa Rica 13
OM - Oman 12
MY - Malesia 11
PS - Palestinian Territory 11
RO - Romania 11
SN - Senegal 11
BO - Bolivia 10
PA - Panama 10
BY - Bielorussia 9
KG - Kirghizistan 9
BG - Bulgaria 8
IE - Irlanda 8
RS - Serbia 8
GR - Grecia 7
MD - Moldavia 7
NI - Nicaragua 7
QA - Qatar 7
AM - Armenia 6
AO - Angola 6
BA - Bosnia-Erzegovina 6
DK - Danimarca 6
GE - Georgia 6
HN - Honduras 6
BN - Brunei Darussalam 5
CH - Svizzera 5
CI - Costa d'Avorio 5
ET - Etiopia 5
MK - Macedonia 5
BH - Bahrain 4
HU - Ungheria 4
NG - Nigeria 4
PT - Portogallo 4
SK - Slovacchia (Repubblica Slovacca) 4
TT - Trinidad e Tobago 4
A2 - ???statistics.table.value.countryCode.A2??? 3
BB - Barbados 3
BW - Botswana 3
GT - Guatemala 3
KH - Cambogia 3
Totale 32.085
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Città #
Dallas 3.563
Singapore 1.820
Chandler 1.538
San Jose 1.195
Jacksonville 962
Hong Kong 668
Ashburn 613
Princeton 533
Beijing 529
Nanjing 426
Council Bluffs 398
Columbus 335
São Paulo 296
Dearborn 286
Lauterbourg 238
Wilmington 217
New York 214
Santa Clara 192
Shanghai 184
Ann Arbor 183
Boardman 183
Ho Chi Minh City 183
Sassari 176
Los Angeles 172
Nanchang 159
Hanoi 132
Rio de Janeiro 107
Shenyang 107
Belo Horizonte 94
Woodbridge 91
Tianjin 90
Hebei 88
Brasília 79
Changsha 72
Jiaxing 67
Tashkent 65
The Dalles 63
Munich 62
Porto Alegre 60
Tokyo 60
Curitiba 58
Seoul 58
Jinan 57
Buffalo 54
San Francisco 53
Helsinki 52
Kunming 52
Warsaw 50
Andover 49
Brussels 47
Guarulhos 47
Brno 46
Baghdad 45
Goiânia 45
Campinas 44
Hangzhou 44
Orem 43
Ningbo 42
Atlanta 40
Zhengzhou 40
Turku 38
London 37
Norwalk 37
Guangzhou 36
Johannesburg 36
Phoenix 36
Salvador 36
Santo André 34
Taizhou 34
Denver 33
Mexico City 33
Ribeirão Preto 33
Amsterdam 31
Chennai 31
Stockholm 31
Fortaleza 30
Nairobi 30
Toronto 30
Brooklyn 29
Houston 29
Izmir 29
Montreal 29
Quito 28
Betim 27
Rome 27
Frankfurt am Main 26
Sorocaba 26
Chicago 25
Dhaka 25
Guayaquil 25
Naples 25
Recife 25
Osasco 24
Amman 23
Pelotas 23
São Bernardo do Campo 23
Baku 22
Bogotá 22
Buenos Aires 22
Haiphong 22
Totale 18.628
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Nome #
Clinical and cytogenetic studies in intersex ewes 332
Annual variations in resistive index (RI) of testicular artery, volume measurements and testosterone levels in bucks 301
266 biocompatibility of nanoceria in ram sperm during 24 hours of incubation 265
Biocompatibility of nanoceria in ram sperm during 24 hours of incubation 239
Activity of Maturation Promoting Factor (MPF) and Mitogen-Activated Protein Kinases (MAPK) during in vitro maturation of horse expanded or compact cumulus complex. Theriogenology ; : 226
Activity of Maturation Promoting Factor (MPF) and Mitogen-Activated Protein Kinases (MAPK) during in vitro maturation of horse expanded or compact cumulus complex 226
Cerium oxide nanoparticles (CeO2 NPs) improve the developmental competence of in vitro-matured prepubertal ovine oocytes 213
Analysis of gene expression of ovine pre-implantation embryos derived from in vitro fertilization and parthenogenetic activation 211
Amniotic fluid l-ergothioneine concentrations in pregnant sheep after natural mating and transfer of vitrified/thawed in-vitro produced embryos 208
A low oxygen atmosphere during IVF accelerates the kinetic of formation of In vitro produced ovine blastocysts 207
A novel approach to cell sampling from preimplantation ovine embryos and its potential use in embryonic genome analysis 207
Post-mortem recovery, in vitro maturation and fertilization of fallow deer (Dama dama, Linnaeus 1758) oocytes collected during reproductive and no reproductive season 200
Defined media for vitrification, warming, and rehydration: effects on post-thaw protein synthesis and viability of in vitro derived ovine embryos 199
Activity of maturation promoting factor (MPF) and mitogen-activated protein kinases (MAPK) during in vitro maturation of domestic cat oocytes 199
Comparation of foetal growth in natural mated and vitrified/warmed ovine embryos by ultrasonographic measutements 196
A new selection criterion to assess good quality ovine blastocysts after vitrification and to predict their transfer into recipients 193
Analysis of morphological and functional parameters of ram semen stored at 4°c in a commercial extender for up to 24 hours 191
Cadmium effects on the in vitro maturation and fertilisation of ovine oocyte 189
Cerium dioxide nanoparticles did not alter the functional and morphologic characteristics of ram sperm during short-term exposure 187
Activity of maturation promoting factor (MPF) and mitogen activated protein kinase (MAPK) after parthenogenetic activation of ovine oocytes 177
Expression of pluripotency markers in genital ridges of ovine foetuses 177
Custom microarray analysis of gene expression in oocytes derived from adult and prepubertal sheep during in vitro maturation 173
Delay on the in vitro kinetic development of prepubertal ovine embryos 169
A novel technique for in vitro maturation of sheep oocytes in a liquid marble microbioreactor. 169
Prepubertal and adult ovine oocytes show different sensitivity to vitrification procedures 168
Activity of maturation promoting factor, but not of microtubule-activated protein kinase, decreases over time in frozen thawed human oocytes 167
Different temporal gene expression patterns for ovine pre-implantation embryos produced by parthenogenesis or in vitro fertilization 165
Differences in amniotic amino acids concentrations between pregnancies obtained with transfer of vitrified/thawed IVP embryos and with natural mating in sheep 164
VITRIFICATION OF GV AND IVM HORSE OOCYTES WITH TWO DIFFERENT EQUILIBRATION METHODS 163
Cell coupling and maturation-promoting factor activity in in vitro-matured prepubertal and adult sheep oocytes 160
Repeatability of antral follicle count during early gestation in dairy cattle 159
Methylation dynamics during folliculogenesis and early embryo development in sheep 157
Cell coupling and MPF activity in in-vitro matured prepubertal and adult sheep oocytes 157
Messenger RNA expression patterns of Interferon-tau, OCT 4 and Nanog in ovine preimplantation embryos derived from different origins 156
Cadmium effects on the in vitro maturation and fertilization of ovine oocyte 154
Testicular development in male lambs prenatally exposed to a high-starch diet 153
Effect of caffeine treatment before vitrification on MPF and MAPK activity and spontaneous parthenogenetic activation of in vitro matured ovine oocytes. 153
Liquid storage of ram semen for 96 hours: effects on kinematic parameters, membranes and DNA integrity, and ROS production 153
ANALISI DELLE MODIFICAZIONI INDOTTE DALLA CRIOCONSERVAZIONE SULLA ZONA PELLUCIDA DELL’OOCITA OVINO MEDIANTE MICROSPETTROSCOPIA RAMAN 152
FSH different regimes affect the developmental capacity and cryotolerance of embryos derived from oocytes collected by ovum pick-up in donor sheep 152
Vitrification devices affect structural and molecular status of in vitro matured ovine oocytes 151
Effect of exposure to CeO2 nanoparticles on ram spermatozoa during storage at 4 °C for 96 hours 151
ULTRASONOGRAPHIC MONITORING AND AMNIOCENTESIS DURING FOETAL DEVELOPMENT OF VITRIFIED OVINE EMBRYOS 150
Insights on cryopreserved sheep fibroblasts by cryomicroscopy and gene expression analysis 150
Effect of biopsy and vitrification on in vitro survival of ovine embryos at different stages of development 149
Characterization, isolation and culture of primordial germ cells in domestic animals: recent progress and insights from the ovine species 148
Evaluation of the impact of vitrification on the actin cytoskeleton of in vitro matured ovine oocytes by means of Raman microspectroscopy. 147
Trehalose during maturation affects vitrification of prepubertal ovine oocytes 147
NUCLEAR CONFIGURATION AND LIPIDS DISTRIBUTION OF IMMATURE CANINE OOCYTES FROM DIFFERENT OESTROUS STAGE. 145
High post-thaw survival of ram sperm after partial freeze-drying 145
Analisi mediante microspettroscopia Raman delle alterazioni biochimico-molecolari indotte dallo stress ossidativo nell’oocita di topo 145
SEASONAL VARIATIONS IN RESISTIVE INDEX (RI) OF TESTICULAR ARTERY, TESTOSTERONE LEVELS AND VOLUME MEASUREMENTS IN SARDA BUCK 144
Custom microarray analysis of gene expression of ovine oocytes subjected to vitrification 143
Different vitrification procedures affect the development of matured ovine oocytes 143
ACTIVITY OF MATURATION-PROMOTING FACTOR (MPF) AND MITOGEN-ACTIVATED PROTEIN KINASES DURING IN VITRO MATURATION OF BUFFALO OOCYTES (BUBALUS BUBALIS) 143
I protocolli di vitrificazione influenzano la conservazione e la successiva capacità di sviluppo dell’oocita di ovino 143
Comparazione dei patterns di espressione genica di embrioni prodotti in vitro da ovini adulti e prepuberi 140
Raman spectroscopy based approach to detect aging-related oxidative damage in the mouse oocyte 139
Correction: High in vitro survival rate of sheep in vitro produced blastocysts vitrified with a new method and device (Journal of Animal Science and Biotechnology (2019) 10 (90) DOI: 10.1186/s40104-019-0390-1) 139
Intrafollicular oocyte transfer (IFOT): Potential feasibility in the ovine species 139
Concentrations of L-ergothioneine in follicular fluids of farm animals 138
Nucleus transfer in mammals: How the oocyte cytoplasm modifies the transferred nucleus 138
Freemartinismo ovino: variazioni stagionali della testosteronemia e del comportamento 138
Two culture systems showing a biphasic effect on ovine embryo development from the 1-2 cell stage to hatched blastocysts 138
DNA methylation and hydroxymethylation analysis in a model of oocyte differential developmental competence in sheep. 138
Novel approach to cell sampling from preimplantation ovine embryos and its potential use in embryonic genome analysis 137
CRYOTOLERANCE AND GENE EXPRESSION OF IN VITRO PRODUCED PREPUBERTAL GOAT BLASTOCYSTS 137
Cationi intraeritrocitari: diversità tra muflone e pecora sarda 135
Expression of maternally derived KHDC3, NLRP5, OOEP and TLE6 is associated with oocyte developmental competence in the ovine species. 134
An overgrowth phenotype of in vitro produced bovine fetuses is associated with marked changes in plasma IGF-IIR and other IGF-system components but is not caused by imprinting failure at the IGF2R locus 134
High in vitro survival rate of sheep in vitro produced blastocysts vitrified with a new method and device. 133
Effetto della fitoemoagglutinina sullo sviluppo embrionale in vitro di oociti di ovini prepuberi 133
Membrane integrity and fertilizing potential of cryopreserved spermatozoa in European mouflon 132
Developmental Asynchrony during in vitro Culture of in vitro Matured and Fertilized (IVMF) Pre-pubertal and Adult Sheep Oocytes 132
Influence of Vasoactive Intestinal Peptide (VIP) Atrial Natriuretic Peptide (ANP) Insuline-like Growth Factor-I (IGF-I) on in vitro maturation of prepuberal and sheep oocytes 132
Epidemiological Study of Toxoplasma gondii Infection in Ovine Breeding 132
Superoxide dismutase affects the viability of cryopreserved european mouflon (Ovis g. musimon) semen and the heterologous fertilization using both IVF and ICSI 131
Delay in maternal transcript degradation in ovine embryos derived from low competence oocytes 131
Gene expression analysis of ovine prepubertal testicular tissue vitrified with a novel cryodevice (E.Vit). 131
Intracytoplasmic sperm injection of in vitro matured oocytes of domestic cats with frozen-thawed epididymal spermatozoa 130
Detection of vitrification-induced changes of oocyte actin cytoskeleton by use of Raman microspectroscopy 130
The effect of co-culture on the development of in vitro matured equine oocytes after intracytoplastic sperm injection 129
Polyvinyl alcohol as a defined substitute for serum in vitrification and warming solutions to cryopreserve ovine embryos at different stages of development 129
In vitro oocyte maturation, fertilization and culture after ovum pick-up in an endangered gazelle (Gazella dama mhorr) 128
M-phase promoting factor (MPF) and mitogen activated protein kinases (MAPK) activities of domestic cat oocytes matured in vitro and in vivo 128
Potenziale utilizzo del seme crioconservato di muflone (Ovis g. musimon) nella conservazione di popolazioni geneticamente isolate e di ridotte dimensioni 128
COMPARATIVE ANALYSIS OF DEVELOPMENT-RELATED GENE EXPRESSION IN PARTHENOGENETIC AND IVF SHEEP EMBRYOS 127
FELINE MAMMARY HYPERTROPHY/FIBROADENOMA COMPLEX: A RETROSPECTIVE STUDY OF TWENTY-FIVE CASES 127
In vivo and in vitro fertilizing capacity of cryopreserved European mouflon [Ovis gmelini musimon] spermatozoa used to restore genetically rare and isolated populations 127
CUSTOM MICROARRAY ANALYSIS OF GENE EXPRESSION OF OVINE OOCYTES SUBJECTED TO VITRIFICATION 126
Structure of preantral follicles, oxidative status and developmental competence of in vitro matured oocytes after ovary storage at 4 °C in the domestic cat model 126
3d liquid marble microbioreactors support in vitro maturation of prepubertal ovine oocytes and affect expression of oocyte-specific factors 126
Impact of a starch-rich maternal diet in pregnant ewes on body and testicular development in male offspring 126
SEPARATION OF CAPRINE GLOBIN CHAINS BY REVERSED-PHASE HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHY - EVIDENCE FOR THE PRESENCE OF A SILENT BETA-B-GLOBIN ALLELE IN SARDINIAN SHEEP 126
Effect of two superovulatory treatments on survival rates of ovine embryos after vitrification 125
Embryo cloning in sheep work in progress 124
Graft of the cortex ovarian and ovary tranlation in sheep: anatomical and histopatological findings 123
Negative effect of cumulus cells and cytochalasin on IVM and viability of vitrified immature sheep oocytes 123
In vitro production and cryotolerance of prepubertal and adult goat blastocysts obtained from oocytes collected by laparoscopic oocyte-pick-up (LOPU) after FSH treatment 122
Effects of a glucogenic diet on reproductive performances and foetal growth in dairy ewes 120
Totale 15.692
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Categoria #
all - tutte 132.862
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 132.862
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2021/20221.030 0 14 1 11 6 5 63 75 115 66 149 525
2022/20232.961 283 170 31 511 291 507 2 386 550 31 144 55
2023/2024799 146 78 17 47 80 146 9 20 3 7 72 174
2024/20258.254 88 67 456 137 371 260 610 1.598 2.864 1.126 406 271
2025/202611.418 526 2.664 1.639 1.578 1.052 587 1.682 351 501 479 285 74
2026/20271.253 484 769 0 0 0 0 0 0 0 0 0 0
Totale 32.416