IRIS
LEDDA, Sergio
 Distribuzione geografica
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Continente #
NA - Nord America 16.070
AS - Asia 8.411
EU - Europa 5.439
SA - Sud America 4.591
Continente sconosciuto - Info sul continente non disponibili 315
AF - Africa 278
OC - Oceania 30
AN - Antartide 1
Totale 35.135
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Nazione #
US - Stati Uniti d'America 15.608
BR - Brasile 4.080
SG - Singapore 3.360
CN - Cina 2.644
UA - Ucraina 1.652
IT - Italia 1.200
HK - Hong Kong 681
DE - Germania 676
VN - Vietnam 532
SE - Svezia 445
FI - Finlandia 324
FR - Francia 324
GB - Regno Unito 269
IN - India 192
AR - Argentina 189
CA - Canada 160
TR - Turchia 154
BD - Bangladesh 119
MX - Messico 119
IQ - Iraq 114
RU - Federazione Russa 106
EC - Ecuador 83
UZ - Uzbekistan 72
ZA - Sudafrica 72
JP - Giappone 68
MA - Marocco 66
VE - Venezuela 66
PL - Polonia 62
CO - Colombia 61
KR - Corea 60
CZ - Repubblica Ceca 57
ES - Italia 57
PK - Pakistan 54
BE - Belgio 52
NL - Olanda 51
ID - Indonesia 45
KE - Kenya 34
PY - Paraguay 32
CL - Cile 28
AU - Australia 27
CR - Costa Rica 27
AZ - Azerbaigian 26
AE - Emirati Arabi Uniti 25
JO - Giordania 25
LT - Lituania 24
TN - Tunisia 24
IL - Israele 23
IR - Iran 23
NP - Nepal 23
EU - Europa 22
GT - Guatemala 22
JM - Giamaica 22
KZ - Kazakistan 20
PH - Filippine 20
SA - Arabia Saudita 20
UY - Uruguay 20
HN - Honduras 19
PE - Perù 19
AL - Albania 18
DZ - Algeria 18
EG - Egitto 17
LB - Libano 17
NI - Nicaragua 16
PR - Porto Rico 16
RO - Romania 16
SV - El Salvador 15
AT - Austria 14
DO - Repubblica Dominicana 14
OM - Oman 12
MY - Malesia 11
PS - Palestinian Territory 11
SN - Senegal 11
TT - Trinidad e Tobago 11
BO - Bolivia 10
PA - Panama 10
BY - Bielorussia 9
CW - ???statistics.table.value.countryCode.CW??? 9
KG - Kirghizistan 9
BG - Bulgaria 8
IE - Irlanda 8
RS - Serbia 8
AM - Armenia 7
DK - Danimarca 7
GR - Grecia 7
MD - Moldavia 7
QA - Qatar 7
AO - Angola 6
BA - Bosnia-Erzegovina 6
GE - Georgia 6
BN - Brunei Darussalam 5
CH - Svizzera 5
CI - Costa d'Avorio 5
ET - Etiopia 5
MK - Macedonia 5
SC - Seychelles 5
BH - Bahrain 4
HU - Ungheria 4
NG - Nigeria 4
PT - Portogallo 4
SK - Slovacchia (Repubblica Slovacca) 4
Totale 34.790
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Città #
Dallas 3.569
Singapore 1.824
Chandler 1.539
San Jose 1.369
Jacksonville 964
Ashburn 933
Hong Kong 673
Council Bluffs 576
Beijing 537
Princeton 534
Santa Clara 487
Nanjing 426
Columbus 337
São Paulo 297
Dearborn 286
Lauterbourg 238
New York 223
Wilmington 217
Los Angeles 188
Boardman 186
Shanghai 185
Milan 184
Ann Arbor 183
Ho Chi Minh City 183
Sassari 177
Nanchang 159
Hanoi 132
Rio de Janeiro 107
Shenyang 107
Belo Horizonte 94
Woodbridge 91
Tianjin 90
Hebei 88
Brasília 79
Rome 76
Changsha 72
Jiaxing 67
Tashkent 65
The Dalles 63
Munich 62
Porto Alegre 61
Tokyo 60
Buffalo 58
Curitiba 58
Seoul 58
Jinan 57
San Francisco 57
Atlanta 52
Helsinki 52
Kunming 52
Warsaw 50
Andover 49
Brussels 47
Guarulhos 47
Brno 46
Phoenix 46
Baghdad 45
Goiânia 45
Orem 45
Campinas 44
Hangzhou 44
Ningbo 42
Miano 40
Zhengzhou 40
Montreal 39
London 38
Norwalk 38
Turku 38
Houston 37
Guangzhou 36
Johannesburg 36
Salvador 36
Brooklyn 35
Denver 34
Mexico City 34
Naples 34
Santo André 34
Taizhou 34
Toronto 34
Ribeirão Preto 33
Amsterdam 31
Chennai 31
Stockholm 31
Fortaleza 30
Nairobi 30
Chicago 29
Izmir 29
Quito 28
Betim 27
Frankfurt am Main 26
Sorocaba 26
Turin 26
Dhaka 25
Guayaquil 25
Recife 25
Catania 24
Montesilvano 24
Osasco 24
Amman 23
Bogotá 23
Totale 19.969
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Nome #
Clinical and cytogenetic studies in intersex ewes 342
Annual variations in resistive index (RI) of testicular artery, volume measurements and testosterone levels in bucks 326
266 biocompatibility of nanoceria in ram sperm during 24 hours of incubation 276
Biocompatibility of nanoceria in ram sperm during 24 hours of incubation 247
Activity of Maturation Promoting Factor (MPF) and Mitogen-Activated Protein Kinases (MAPK) during in vitro maturation of horse expanded or compact cumulus complex. Theriogenology ; : 244
Activity of Maturation Promoting Factor (MPF) and Mitogen-Activated Protein Kinases (MAPK) during in vitro maturation of horse expanded or compact cumulus complex 235
Cerium oxide nanoparticles (CeO2 NPs) improve the developmental competence of in vitro-matured prepubertal ovine oocytes 224
Amniotic fluid l-ergothioneine concentrations in pregnant sheep after natural mating and transfer of vitrified/thawed in-vitro produced embryos 218
Analysis of gene expression of ovine pre-implantation embryos derived from in vitro fertilization and parthenogenetic activation 217
A low oxygen atmosphere during IVF accelerates the kinetic of formation of In vitro produced ovine blastocysts 216
A novel approach to cell sampling from preimplantation ovine embryos and its potential use in embryonic genome analysis 216
Post-mortem recovery, in vitro maturation and fertilization of fallow deer (Dama dama, Linnaeus 1758) oocytes collected during reproductive and no reproductive season 215
Defined media for vitrification, warming, and rehydration: effects on post-thaw protein synthesis and viability of in vitro derived ovine embryos 214
Comparation of foetal growth in natural mated and vitrified/warmed ovine embryos by ultrasonographic measutements 211
Activity of maturation promoting factor (MPF) and mitogen-activated protein kinases (MAPK) during in vitro maturation of domestic cat oocytes 207
A new selection criterion to assess good quality ovine blastocysts after vitrification and to predict their transfer into recipients 204
Cerium dioxide nanoparticles did not alter the functional and morphologic characteristics of ram sperm during short-term exposure 202
Analysis of morphological and functional parameters of ram semen stored at 4°c in a commercial extender for up to 24 hours 202
Cadmium effects on the in vitro maturation and fertilisation of ovine oocyte 197
Expression of pluripotency markers in genital ridges of ovine foetuses 187
Activity of maturation promoting factor (MPF) and mitogen activated protein kinase (MAPK) after parthenogenetic activation of ovine oocytes 185
A novel technique for in vitro maturation of sheep oocytes in a liquid marble microbioreactor. 182
Prepubertal and adult ovine oocytes show different sensitivity to vitrification procedures 180
Custom microarray analysis of gene expression in oocytes derived from adult and prepubertal sheep during in vitro maturation 179
Different temporal gene expression patterns for ovine pre-implantation embryos produced by parthenogenesis or in vitro fertilization 178
Delay on the in vitro kinetic development of prepubertal ovine embryos 177
Differences in amniotic amino acids concentrations between pregnancies obtained with transfer of vitrified/thawed IVP embryos and with natural mating in sheep 174
Activity of maturation promoting factor, but not of microtubule-activated protein kinase, decreases over time in frozen thawed human oocytes 173
Cell coupling and maturation-promoting factor activity in in vitro-matured prepubertal and adult sheep oocytes 171
Effect of biopsy and vitrification on in vitro survival of ovine embryos at different stages of development 170
Liquid storage of ram semen for 96 hours: effects on kinematic parameters, membranes and DNA integrity, and ROS production 170
VITRIFICATION OF GV AND IVM HORSE OOCYTES WITH TWO DIFFERENT EQUILIBRATION METHODS 169
Intrafollicular oocyte transfer (IFOT): Potential feasibility in the ovine species 169
Cell coupling and MPF activity in in-vitro matured prepubertal and adult sheep oocytes 168
Repeatability of antral follicle count during early gestation in dairy cattle 166
Testicular development in male lambs prenatally exposed to a high-starch diet 166
Methylation dynamics during folliculogenesis and early embryo development in sheep 165
Evaluation of the impact of vitrification on the actin cytoskeleton of in vitro matured ovine oocytes by means of Raman microspectroscopy. 164
Cadmium effects on the in vitro maturation and fertilization of ovine oocyte 163
Messenger RNA expression patterns of Interferon-tau, OCT 4 and Nanog in ovine preimplantation embryos derived from different origins 163
Effect of exposure to CeO2 nanoparticles on ram spermatozoa during storage at 4 °C for 96 hours 163
Concentrations of L-ergothioneine in follicular fluids of farm animals 162
Vitrification devices affect structural and molecular status of in vitro matured ovine oocytes 161
Effect of caffeine treatment before vitrification on MPF and MAPK activity and spontaneous parthenogenetic activation of in vitro matured ovine oocytes. 161
Trehalose during maturation affects vitrification of prepubertal ovine oocytes 161
FSH different regimes affect the developmental capacity and cryotolerance of embryos derived from oocytes collected by ovum pick-up in donor sheep 160
ANALISI DELLE MODIFICAZIONI INDOTTE DALLA CRIOCONSERVAZIONE SULLA ZONA PELLUCIDA DELL’OOCITA OVINO MEDIANTE MICROSPETTROSCOPIA RAMAN 159
Characterization, isolation and culture of primordial germ cells in domestic animals: recent progress and insights from the ovine species 158
Custom microarray analysis of gene expression of ovine oocytes subjected to vitrification 158
ULTRASONOGRAPHIC MONITORING AND AMNIOCENTESIS DURING FOETAL DEVELOPMENT OF VITRIFIED OVINE EMBRYOS 158
Insights on cryopreserved sheep fibroblasts by cryomicroscopy and gene expression analysis 158
Analisi mediante microspettroscopia Raman delle alterazioni biochimico-molecolari indotte dallo stress ossidativo nell’oocita di topo 154
Cationi intraeritrocitari: diversità tra muflone e pecora sarda 154
Different vitrification procedures affect the development of matured ovine oocytes 153
High post-thaw survival of ram sperm after partial freeze-drying 153
Raman spectroscopy based approach to detect aging-related oxidative damage in the mouse oocyte 151
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 151
CRYOTOLERANCE AND GENE EXPRESSION OF IN VITRO PRODUCED PREPUBERTAL GOAT BLASTOCYSTS 151
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) 151
NUCLEAR CONFIGURATION AND LIPIDS DISTRIBUTION OF IMMATURE CANINE OOCYTES FROM DIFFERENT OESTROUS STAGE. 150
SEASONAL VARIATIONS IN RESISTIVE INDEX (RI) OF TESTICULAR ARTERY, TESTOSTERONE LEVELS AND VOLUME MEASUREMENTS IN SARDA BUCK 150
ACTIVITY OF MATURATION-PROMOTING FACTOR (MPF) AND MITOGEN-ACTIVATED PROTEIN KINASES DURING IN VITRO MATURATION OF BUFFALO OOCYTES (BUBALUS BUBALIS) 150
Two culture systems showing a biphasic effect on ovine embryo development from the 1-2 cell stage to hatched blastocysts 150
I protocolli di vitrificazione influenzano la conservazione e la successiva capacità di sviluppo dell’oocita di ovino 148
DNA methylation and hydroxymethylation analysis in a model of oocyte differential developmental competence in sheep. 148
M-phase promoting factor (MPF) and mitogen activated protein kinases (MAPK) activities of domestic cat oocytes matured in vitro and in vivo 147
Comparazione dei patterns di espressione genica di embrioni prodotti in vitro da ovini adulti e prepuberi 147
In vivo and in vitro fertilizing capacity of cryopreserved European mouflon [Ovis gmelini musimon] spermatozoa used to restore genetically rare and isolated populations 147
In vitro oocyte maturation, fertilization and culture after ovum pick-up in an endangered gazelle (Gazella dama mhorr) 146
Novel approach to cell sampling from preimplantation ovine embryos and its potential use in embryonic genome analysis 146
High in vitro survival rate of sheep in vitro produced blastocysts vitrified with a new method and device. 146
Nucleus transfer in mammals: How the oocyte cytoplasm modifies the transferred nucleus 145
Freemartinismo ovino: variazioni stagionali della testosteronemia e del comportamento 145
Detection of vitrification-induced changes of oocyte actin cytoskeleton by use of Raman microspectroscopy 144
Polyvinyl alcohol as a defined substitute for serum in vitrification and warming solutions to cryopreserve ovine embryos at different stages of development 144
The effect of co-culture on the development of in vitro matured equine oocytes after intracytoplastic sperm injection 143
Membrane integrity and fertilizing potential of cryopreserved spermatozoa in European mouflon 143
Epidemiological Study of Toxoplasma gondii Infection in Ovine Breeding 143
Intracytoplasmic sperm injection of in vitro matured oocytes of domestic cats with frozen-thawed epididymal spermatozoa 142
Expression of maternally derived KHDC3, NLRP5, OOEP and TLE6 is associated with oocyte developmental competence in the ovine species. 142
Developmental Asynchrony during in vitro Culture of in vitro Matured and Fertilized (IVMF) Pre-pubertal and Adult Sheep Oocytes 141
Delay in maternal transcript degradation in ovine embryos derived from low competence oocytes 141
Gene expression analysis of ovine prepubertal testicular tissue vitrified with a novel cryodevice (E.Vit). 141
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 141
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 140
Superoxide dismutase affects the viability of cryopreserved european mouflon (Ovis g. musimon) semen and the heterologous fertilization using both IVF and ICSI 139
In vitro production and cryotolerance of prepubertal and adult goat blastocysts obtained from oocytes collected by laparoscopic oocyte-pick-up (LOPU) after FSH treatment 138
Effetto della fitoemoagglutinina sullo sviluppo embrionale in vitro di oociti di ovini prepuberi 138
Potenziale utilizzo del seme crioconservato di muflone (Ovis g. musimon) nella conservazione di popolazioni geneticamente isolate e di ridotte dimensioni 137
COMPARATIVE ANALYSIS OF DEVELOPMENT-RELATED GENE EXPRESSION IN PARTHENOGENETIC AND IVF SHEEP EMBRYOS 136
3d liquid marble microbioreactors support in vitro maturation of prepubertal ovine oocytes and affect expression of oocyte-specific factors 136
Vitrification affects molecular and cytoskeletal components and developmental competence of IVM pre-pubertal ovine oocytes 136
CUSTOM MICROARRAY ANALYSIS OF GENE EXPRESSION OF OVINE OOCYTES SUBJECTED TO VITRIFICATION 135
Impact of a starch-rich maternal diet in pregnant ewes on body and testicular development in male offspring 134
Negative effect of cumulus cells and cytochalasin on IVM and viability of vitrified immature sheep oocytes 134
The effect of phytoemagglutinin on in vitro embryo development of ovine prepubertal oocytes. 133
FELINE MAMMARY HYPERTROPHY/FIBROADENOMA COMPLEX: A RETROSPECTIVE STUDY OF TWENTY-FIVE CASES 132
Effect of two superovulatory treatments on survival rates of ovine embryos after vitrification 132
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 132
142 Mimicking the follicular environment: in vitro maturation of prepubertal ovine oocytes in a liquid marble bioreactor as a 3-dimensional culture system 131
Totale 16.802
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Categoria #
all - tutte 141.405
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 141.405
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2021/20221.015 0 0 0 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
2026/20273.972 484 893 1.129 1.466 0 0 0 0 0 0 0 0
Totale 35.135