LEDDA, Sergio
 Distribuzione geografica
Continente #
NA - Nord America 13.050
AS - Asia 8.298
EU - Europa 4.613
SA - Sud America 4.559
AF - Africa 271
OC - Oceania 29
Continente sconosciuto - Info sul continente non disponibili 28
AN - Antartide 1
Totale 30.849
Nazione #
US - Stati Uniti d'America 12.764
BR - Brasile 4.074
SG - Singapore 3.334
CN - Cina 2.607
UA - Ucraina 1.650
DE - Germania 671
HK - Hong Kong 665
VN - Vietnam 527
IT - Italia 466
SE - Svezia 445
FI - Finlandia 324
FR - Francia 305
GB - Regno Unito 250
IN - India 189
AR - Argentina 187
TR - Turchia 153
IQ - Iraq 114
MX - Messico 114
BD - Bangladesh 111
RU - Federazione Russa 102
CA - Canada 94
EC - Ecuador 76
UZ - Uzbekistan 72
ZA - Sudafrica 72
JP - Giappone 67
MA - Marocco 65
VE - Venezuela 62
KR - Corea 60
PL - Polonia 60
CZ - Repubblica Ceca 56
PK - Pakistan 53
CO - Colombia 52
BE - Belgio 50
NL - Olanda 48
ES - Italia 46
ID - Indonesia 40
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
IL - Israele 18
PE - Perù 18
AL - Albania 17
DZ - Algeria 17
JM - Giamaica 17
LB - Libano 17
EG - Egitto 16
LT - Lituania 15
DO - Repubblica Dominicana 14
AT - Austria 13
CR - Costa Rica 13
OM - Oman 12
MY - Malesia 11
PS - Palestinian Territory 11
SN - Senegal 11
PA - Panama 10
RO - Romania 10
BO - Bolivia 9
KG - Kirghizistan 9
BG - Bulgaria 8
BY - Bielorussia 8
IE - Irlanda 8
RS - Serbia 8
GR - Grecia 7
MD - Moldavia 7
QA - Qatar 7
AO - Angola 6
BA - Bosnia-Erzegovina 6
DK - Danimarca 6
GE - Georgia 6
NI - Nicaragua 6
AM - Armenia 5
CH - Svizzera 5
CI - Costa d'Avorio 5
ET - Etiopia 5
HN - Honduras 5
BH - Bahrain 4
BN - Brunei Darussalam 4
HU - Ungheria 4
MK - Macedonia 4
NG - Nigeria 4
SK - Slovacchia (Repubblica Slovacca) 4
TT - Trinidad e Tobago 4
A2 - ???statistics.table.value.countryCode.A2??? 3
BB - Barbados 3
BW - Botswana 3
KH - Cambogia 3
KW - Kuwait 3
LV - Lettonia 3
Totale 30.802
Città #
Dallas 3.562
Singapore 1.803
Chandler 1.538
San Jose 1.183
Jacksonville 960
Hong Kong 657
Ashburn 581
Princeton 533
Beijing 514
Nanjing 426
São Paulo 295
Dearborn 286
Lauterbourg 238
Wilmington 217
New York 212
Ann Arbor 183
Boardman 183
Shanghai 182
Ho Chi Minh City 181
Sassari 176
Los Angeles 169
Nanchang 159
Santa Clara 148
Hanoi 130
Rio de Janeiro 107
Shenyang 107
Belo Horizonte 94
Woodbridge 91
Tianjin 90
Hebei 88
Brasília 79
Council Bluffs 73
Changsha 72
Jiaxing 67
Tashkent 65
Columbus 63
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
Zhengzhou 40
Turku 38
London 37
Norwalk 37
Guangzhou 36
Johannesburg 36
Salvador 36
Santo André 34
Taizhou 34
Denver 33
Ribeirão Preto 33
Amsterdam 31
Atlanta 31
Chennai 31
Mexico City 31
Stockholm 31
Fortaleza 30
Nairobi 30
Phoenix 30
Izmir 29
Toronto 29
Houston 28
Quito 28
Betim 27
Brooklyn 26
Frankfurt am Main 26
Montreal 26
Sorocaba 26
Recife 25
Chicago 24
Dhaka 24
Osasco 24
Amman 23
Guayaquil 23
Pelotas 23
São Bernardo do Campo 23
Baku 22
Buenos Aires 22
Haiphong 22
Manaus 22
New Delhi 22
Ankara 21
Totale 17.847
Nome #
Annual variations in resistive index (RI) of testicular artery, volume measurements and testosterone levels in bucks 299
266 biocompatibility of nanoceria in ram sperm during 24 hours of incubation 259
Biocompatibility of nanoceria in ram sperm during 24 hours of incubation 237
Activity of Maturation Promoting Factor (MPF) and Mitogen-Activated Protein Kinases (MAPK) during in vitro maturation of horse expanded or compact cumulus complex 221
Activity of Maturation Promoting Factor (MPF) and Mitogen-Activated Protein Kinases (MAPK) during in vitro maturation of horse expanded or compact cumulus complex. Theriogenology ; : 218
Cerium oxide nanoparticles (CeO2 NPs) improve the developmental competence of in vitro-matured prepubertal ovine oocytes 211
Amniotic fluid l-ergothioneine concentrations in pregnant sheep after natural mating and transfer of vitrified/thawed in-vitro produced embryos 206
A novel approach to cell sampling from preimplantation ovine embryos and its potential use in embryonic genome analysis 204
Analysis of gene expression of ovine pre-implantation embryos derived from in vitro fertilization and parthenogenetic activation 204
A low oxygen atmosphere during IVF accelerates the kinetic of formation of In vitro produced ovine blastocysts 203
Defined media for vitrification, warming, and rehydration: effects on post-thaw protein synthesis and viability of in vitro derived ovine embryos 197
Post-mortem recovery, in vitro maturation and fertilization of fallow deer (Dama dama, Linnaeus 1758) oocytes collected during reproductive and no reproductive season 197
Activity of maturation promoting factor (MPF) and mitogen-activated protein kinases (MAPK) during in vitro maturation of domestic cat oocytes 193
Comparation of foetal growth in natural mated and vitrified/warmed ovine embryos by ultrasonographic measutements 193
A new selection criterion to assess good quality ovine blastocysts after vitrification and to predict their transfer into recipients 189
Analysis of morphological and functional parameters of ram semen stored at 4°c in a commercial extender for up to 24 hours 189
Cadmium effects on the in vitro maturation and fertilisation of ovine oocyte 186
Cerium dioxide nanoparticles did not alter the functional and morphologic characteristics of ram sperm during short-term exposure 183
Activity of maturation promoting factor (MPF) and mitogen activated protein kinase (MAPK) after parthenogenetic activation of ovine oocytes 174
Expression of pluripotency markers in genital ridges of ovine foetuses 170
Custom microarray analysis of gene expression in oocytes derived from adult and prepubertal sheep during in vitro maturation 168
Prepubertal and adult ovine oocytes show different sensitivity to vitrification procedures 166
Delay on the in vitro kinetic development of prepubertal ovine embryos 165
Activity of maturation promoting factor, but not of microtubule-activated protein kinase, decreases over time in frozen thawed human oocytes 164
Differences in amniotic amino acids concentrations between pregnancies obtained with transfer of vitrified/thawed IVP embryos and with natural mating in sheep 163
Different temporal gene expression patterns for ovine pre-implantation embryos produced by parthenogenesis or in vitro fertilization 161
VITRIFICATION OF GV AND IVM HORSE OOCYTES WITH TWO DIFFERENT EQUILIBRATION METHODS 160
A novel technique for in vitro maturation of sheep oocytes in a liquid marble microbioreactor. 159
Cell coupling and maturation-promoting factor activity in in vitro-matured prepubertal and adult sheep oocytes 158
Repeatability of antral follicle count during early gestation in dairy cattle 156
Messenger RNA expression patterns of Interferon-tau, OCT 4 and Nanog in ovine preimplantation embryos derived from different origins 154
Cell coupling and MPF activity in in-vitro matured prepubertal and adult sheep oocytes 154
Cadmium effects on the in vitro maturation and fertilization of ovine oocyte 151
Testicular development in male lambs prenatally exposed to a high-starch diet 151
Methylation dynamics during folliculogenesis and early embryo development in sheep 151
ANALISI DELLE MODIFICAZIONI INDOTTE DALLA CRIOCONSERVAZIONE SULLA ZONA PELLUCIDA DELL’OOCITA OVINO MEDIANTE MICROSPETTROSCOPIA RAMAN 150
Liquid storage of ram semen for 96 hours: effects on kinematic parameters, membranes and DNA integrity, and ROS production 150
Effect of caffeine treatment before vitrification on MPF and MAPK activity and spontaneous parthenogenetic activation of in vitro matured ovine oocytes. 149
FSH different regimes affect the developmental capacity and cryotolerance of embryos derived from oocytes collected by ovum pick-up in donor sheep 148
ULTRASONOGRAPHIC MONITORING AND AMNIOCENTESIS DURING FOETAL DEVELOPMENT OF VITRIFIED OVINE EMBRYOS 147
Insights on cryopreserved sheep fibroblasts by cryomicroscopy and gene expression analysis 147
Effect of exposure to CeO2 nanoparticles on ram spermatozoa during storage at 4 °C for 96 hours 147
Vitrification devices affect structural and molecular status of in vitro matured ovine oocytes 146
Evaluation of the impact of vitrification on the actin cytoskeleton of in vitro matured ovine oocytes by means of Raman microspectroscopy. 145
High post-thaw survival of ram sperm after partial freeze-drying 143
SEASONAL VARIATIONS IN RESISTIVE INDEX (RI) OF TESTICULAR ARTERY, TESTOSTERONE LEVELS AND VOLUME MEASUREMENTS IN SARDA BUCK 142
Analisi mediante microspettroscopia Raman delle alterazioni biochimico-molecolari indotte dallo stress ossidativo nell’oocita di topo 142
Characterization, isolation and culture of primordial germ cells in domestic animals: recent progress and insights from the ovine species 140
NUCLEAR CONFIGURATION AND LIPIDS DISTRIBUTION OF IMMATURE CANINE OOCYTES FROM DIFFERENT OESTROUS STAGE. 140
ACTIVITY OF MATURATION-PROMOTING FACTOR (MPF) AND MITOGEN-ACTIVATED PROTEIN KINASES DURING IN VITRO MATURATION OF BUFFALO OOCYTES (BUBALUS BUBALIS) 140
Trehalose during maturation affects vitrification of prepubertal ovine oocytes 139
Effect of biopsy and vitrification on in vitro survival of ovine embryos at different stages of development 138
Different vitrification procedures affect the development of matured ovine oocytes 138
Comparazione dei patterns di espressione genica di embrioni prodotti in vitro da ovini adulti e prepuberi 137
I protocolli di vitrificazione influenzano la conservazione e la successiva capacità di sviluppo dell’oocita di ovino 137
Raman spectroscopy based approach to detect aging-related oxidative damage in the mouse oocyte 136
Custom microarray analysis of gene expression of ovine oocytes subjected to vitrification 136
Intrafollicular oocyte transfer (IFOT): Potential feasibility in the ovine species 136
Concentrations of L-ergothioneine in follicular fluids of farm animals 135
Nucleus transfer in mammals: How the oocyte cytoplasm modifies the transferred nucleus 135
DNA methylation and hydroxymethylation analysis in a model of oocyte differential developmental competence in sheep. 135
CRYOTOLERANCE AND GENE EXPRESSION OF IN VITRO PRODUCED PREPUBERTAL GOAT BLASTOCYSTS 134
Two culture systems showing a biphasic effect on ovine embryo development from the 1-2 cell stage to hatched blastocysts 134
Expression of maternally derived KHDC3, NLRP5, OOEP and TLE6 is associated with oocyte developmental competence in the ovine species. 132
Freemartinismo ovino: variazioni stagionali della testosteronemia e del comportamento 131
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) 131
High in vitro survival rate of sheep in vitro produced blastocysts vitrified with a new method and device. 131
Effetto della fitoemoagglutinina sullo sviluppo embrionale in vitro di oociti di ovini prepuberi 131
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 131
Membrane integrity and fertilizing potential of cryopreserved spermatozoa in European mouflon 129
Novel approach to cell sampling from preimplantation ovine embryos and its potential use in embryonic genome analysis 129
Superoxide dismutase affects the viability of cryopreserved european mouflon (Ovis g. musimon) semen and the heterologous fertilization using both IVF and ICSI 129
Intracytoplasmic sperm injection of in vitro matured oocytes of domestic cats with frozen-thawed epididymal spermatozoa 128
Developmental Asynchrony during in vitro Culture of in vitro Matured and Fertilized (IVMF) Pre-pubertal and Adult Sheep Oocytes 128
Delay in maternal transcript degradation in ovine embryos derived from low competence oocytes 128
Gene expression analysis of ovine prepubertal testicular tissue vitrified with a novel cryodevice (E.Vit). 128
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 128
Epidemiological Study of Toxoplasma gondii Infection in Ovine Breeding 128
Cationi intraeritrocitari: diversità tra muflone e pecora sarda 127
Clinical and cytogenetic studies in intersex ewes 126
The effect of co-culture on the development of in vitro matured equine oocytes after intracytoplastic sperm injection 125
M-phase promoting factor (MPF) and mitogen activated protein kinases (MAPK) activities of domestic cat oocytes matured in vitro and in vivo 125
CUSTOM MICROARRAY ANALYSIS OF GENE EXPRESSION OF OVINE OOCYTES SUBJECTED TO VITRIFICATION 124
Impact of a starch-rich maternal diet in pregnant ewes on body and testicular development in male offspring 124
Detection of vitrification-induced changes of oocyte actin cytoskeleton by use of Raman microspectroscopy 123
3d liquid marble microbioreactors support in vitro maturation of prepubertal ovine oocytes and affect expression of oocyte-specific factors 123
COMPARATIVE ANALYSIS OF DEVELOPMENT-RELATED GENE EXPRESSION IN PARTHENOGENETIC AND IVF SHEEP EMBRYOS 122
Polyvinyl alcohol as a defined substitute for serum in vitrification and warming solutions to cryopreserve ovine embryos at different stages of development 122
Effect of two superovulatory treatments on survival rates of ovine embryos after vitrification 122
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 122
Graft of the cortex ovarian and ovary tranlation in sheep: anatomical and histopatological findings 121
FELINE MAMMARY HYPERTROPHY/FIBROADENOMA COMPLEX: A RETROSPECTIVE STUDY OF TWENTY-FIVE CASES 121
In vitro production and cryotolerance of prepubertal and adult goat blastocysts obtained from oocytes collected by laparoscopic oocyte-pick-up (LOPU) after FSH treatment 119
In vivo and in vitro fertilizing capacity of cryopreserved European mouflon [Ovis gmelini musimon] spermatozoa used to restore genetically rare and isolated populations 119
Embryo cloning in sheep work in progress 118
Evidence for a novel perturbation in cloned fetuses: Mitochondrial DNA depletion 118
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 118
Potenziale utilizzo del seme crioconservato di muflone (Ovis g. musimon) nella conservazione di popolazioni geneticamente isolate e di ridotte dimensioni 118
Utilizzo del trealosio nella crioconservazione del seme di muflone (Ovis gmelini musimon) durante la stagione non riproduttiva 117
Negative effect of cumulus cells and cytochalasin on IVM and viability of vitrified immature sheep oocytes 117
Totale 15.073
Categoria #
all - tutte 126.550
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 126.550


Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2020/202146 0 0 0 0 0 0 0 0 0 0 0 46
2021/20221.234 204 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
2025/202611.381 526 2.664 1.639 1.578 1.052 587 1.682 351 501 479 285 37
Totale 31.126