IRIS
LEDDA, Sergio
 Distribuzione geografica
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Continente #
NA - Nord America 5.843
EU - Europa 3.507
AS - Asia 1.853
SA - Sud America 32
Continente sconosciuto - Info sul continente non disponibili 25
OC - Oceania 24
AF - Africa 6
Totale 11.290
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Nazione #
US - Stati Uniti d'America 5.813
UA - Ucraina 1.607
CN - Cina 1.489
DE - Germania 544
SE - Svezia 415
IT - Italia 347
FI - Finlandia 247
SG - Singapore 153
GB - Regno Unito 150
IN - India 59
CZ - Repubblica Ceca 53
KR - Corea 47
TR - Turchia 44
BE - Belgio 42
FR - Francia 35
CA - Canada 26
AU - Australia 23
BR - Brasile 23
EU - Europa 22
IR - Iran 19
JP - Giappone 13
ES - Italia 9
NL - Olanda 8
PL - Polonia 8
RO - Romania 8
IL - Israele 6
BD - Bangladesh 5
DK - Danimarca 5
AR - Argentina 4
RU - Federazione Russa 4
A2 - ???statistics.table.value.countryCode.A2??? 3
CL - Cile 3
EG - Egitto 3
GR - Grecia 3
IE - Irlanda 3
MD - Moldavia 3
PH - Filippine 3
SA - Arabia Saudita 3
AT - Austria 2
BG - Bulgaria 2
ID - Indonesia 2
LT - Lituania 2
LU - Lussemburgo 2
MN - Mongolia 2
NG - Nigeria 2
PA - Panama 2
PE - Perù 2
PT - Portogallo 2
BN - Brunei Darussalam 1
BY - Bielorussia 1
EE - Estonia 1
HU - Ungheria 1
KH - Cambogia 1
LA - Repubblica Popolare Democratica del Laos 1
LB - Libano 1
MK - Macedonia 1
MM - Myanmar 1
MS - Montserrat 1
MX - Messico 1
MY - Malesia 1
NP - Nepal 1
NZ - Nuova Zelanda 1
RS - Serbia 1
SK - Slovacchia (Repubblica Slovacca) 1
SL - Sierra Leone 1
VN - Vietnam 1
Totale 11.290
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Città #
Chandler 1.527
Jacksonville 958
Princeton 531
Nanjing 426
Dearborn 286
Wilmington 214
Ann Arbor 183
Sassari 174
Boardman 165
Nanchang 159
New York 140
Beijing 133
Shenyang 106
Woodbridge 91
Singapore 90
Hebei 88
Tianjin 75
Changsha 68
Jiaxing 67
Jinan 55
Kunming 52
Andover 49
Seoul 47
Brno 45
Ningbo 42
Brussels 41
Hangzhou 41
Zhengzhou 38
Norwalk 36
Taizhou 33
Ashburn 32
San Francisco 31
Izmir 24
Auburn Hills 21
Guangzhou 21
Mountain View 19
Helsinki 18
San Mateo 15
Toronto 14
Lanzhou 13
Haikou 11
Los Angeles 11
Tappahannock 10
Changchun 9
Naples 9
Porto Alegre 9
Tokyo 9
Bangalore 8
Edinburgh 8
Hefei 8
Leawood 8
London 8
Ardabil 7
Augusta 7
Munich 7
Redmond 7
São Paulo 7
Ancona 6
Falls Church 6
Monmouth Junction 6
Amsterdam 5
Canberra 5
Córdoba 5
Melbourne 5
Olomouc 5
Paris 5
Rome 5
Shanghai 5
Taiyuan 5
Fuzhou 4
Houston 4
Montréal 4
Phoenix 4
Romainville 4
Stockholm 4
Sydney 4
Tehran 4
Warsaw 4
West Jordan 4
Cagliari 3
Cedar Knolls 3
Chengdu 3
Chicago 3
Chisinau 3
Dhaka 3
Domusnovas Canales 3
Eden Prairie 3
Haifa 3
Krakow 3
Milan 3
Montreal 3
Mumbai 3
Nuremberg 3
Prague 3
Saint Paul 3
Tel Aviv 3
Washington 3
Abuja 2
Alghero 2
Atlanta 2
Totale 6.474
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Nome #
Annual variations in resistive index (RI) of testicular artery, volume measurements and testosterone levels in bucks 115
Cerium oxide nanoparticles (CeO2 NPs) improve the developmental competence of in vitro-matured prepubertal ovine oocytes 92
Methylation dynamics during folliculogenesis and early embryo development in sheep 80
Repeatability of antral follicle count during early gestation in dairy cattle 79
Prepubertal and adult ovine oocytes show different sensitivity to vitrification procedures 78
Vitrification devices affect structural and molecular status of in vitro matured ovine oocytes 78
Different temporal gene expression patterns for ovine pre-implantation embryos produced by parthenogenesis or in vitro fertilization 78
Defined media for vitrification, warming, and rehydration: effects on post-thaw protein synthesis and viability of in vitro derived ovine embryos 77
VITRIFICATION OF GV AND IVM HORSE OOCYTES WITH TWO DIFFERENT EQUILIBRATION METHODS 77
FSH different regimes affect the developmental capacity and cryotolerance of embryos derived from oocytes collected by ovum pick-up in donor sheep 75
266 biocompatibility of nanoceria in ram sperm during 24 hours of incubation 72
Cerium dioxide nanoparticles did not alter the functional and morphologic characteristics of ram sperm during short-term exposure 69
Effect of caffeine treatment before vitrification on MPF and MAPK activity and spontaneous parthenogenetic activation of in vitro matured ovine oocytes. 68
Impact of a starch-rich maternal diet in pregnant ewes on body and testicular development in male offspring 68
Oocyte cryopreservation: oocyte assessment and strategies for improving survival 67
Activity of Maturation Promoting Factor (MPF) and Mitogen-Activated Protein Kinases (MAPK) during in vitro maturation of horse expanded or compact cumulus complex 67
Evaluation of the impact of vitrification on the actin cytoskeleton of in vitro matured ovine oocytes by means of Raman microspectroscopy. 66
Delay on the in vitro kinetic development of prepubertal ovine embryos 65
Amniotic fluid l-ergothioneine concentrations in pregnant sheep after natural mating and transfer of vitrified/thawed in-vitro produced embryos 65
Delay in maternal transcript degradation in ovine embryos derived from low competence oocytes 64
Ovine oocytes fertilization following ICSI: effect of interspecific sperm injection, oocyte activation and sperm treatment 64
Production and lambing rate of blastocysts derived from in vitro matured oocytes after gonadotropin treatment of prepubertal ewes. 63
Activity of maturation promoting factor, but not of microtubule-activated protein kinase, decreases over time in frozen thawed human oocytes 63
Insights on cryopreserved sheep fibroblasts by cryomicroscopy and gene expression analysis 62
Comparation of foetal growth in natural mated and vitrified/warmed ovine embryos by ultrasonographic measutements 62
Liquid storage of ram semen for 96 hours: effects on kinematic parameters, membranes and DNA integrity, and ROS production 62
The effect of co-culture on the development of in vitro matured equine oocytes after intracytoplastic sperm injection 61
Vitrification of GV and IVM horse oocytes with two different equilibration methods 61
Polyvinyl alcohol as a defined substitute for serum in vitrification and warming solutions to cryopreserve ovine embryos at different stages of development 61
Trehalose during maturation affects vitrification of prepubertal ovine oocytes 61
Analysis of morphological and functional parameters of ram semen stored at 4°c in a commercial extender for up to 24 hours 61
Biocompatibility of nanoceria in ram sperm during 24 hours of incubation 60
Nucleus transfer in mammals: How the oocyte cytoplasm modifies the transferred nucleus 59
The subcortical maternal complex: multiple functions for one biological structure? 59
Testicular development in male lambs prenatally exposed to a high-starch diet 59
Superoxide dismutase affects the viability of thawed European mouflon (Ovis g. musimon) semen and the heterologous fertilization using both IVF and intracytoplasmatic sperm injection 59
Cell coupling and MPF activity in in-vitro matured prepubertal and adult sheep oocytes 59
DNA methylation and hydroxymethylation analysis in a model of oocyte differential developmental competence in sheep. 59
EMBRYO RECOVERY FROM SUPEROVULATED MOUFLONS (OVIS-GMELINI-MUSIMON) AND VIABILITY AFTER TRANSFER INTO DOMESTIC SHEEP 58
Expression of pluripotency markers in genital ridges of ovine foetuses 58
Two culture systems showing a biphasic effect on ovine embryo development from the 1-2 cell stage to hatched blastocysts 58
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 58
Concentrations of L-ergothioneine in follicular fluids of farm animals 57
Activity of Maturation Promoting Factor (MPF) and Mitogen-Activated Protein Kinases (MAPK) during in vitro maturation of horse expanded or compact cumulus complex. Theriogenology ; : 57
Freemartinismo ovino: variazioni stagionali della testosteronemia e del comportamento 57
Expression of maternally derived KHDC3, NLRP5, OOEP and TLE6 is associated with oocyte developmental competence in the ovine species. 57
Novel approach to cell sampling from preimplantation ovine embryos and its potential use in embryonic genome analysis 56
Differences in amniotic amino acids concentrations between pregnancies obtained with transfer of vitrified/thawed IVP embryos and with natural mating in sheep 56
Use of a neuroleptic in assisted reproduction of the critically endangered Mohor gazelle (Gazella dama mhorr) 55
Embryo cloning in sheep work in progress 54
I protocolli di vitrificazione influenzano la conservazione e la successiva capacità di sviluppo dell’oocita di ovino 54
A novel approach to cell sampling from preimplantation ovine embryos and its potential use in embryonic genome analysis 54
ULTRASONOGRAPHIC MONITORING AND AMNIOCENTESIS DURING FOETAL DEVELOPMENT OF VITRIFIED OVINE EMBRYOS 53
Different vitrification procedures affect the development of matured ovine oocytes 53
Analisi mediante microspettroscopia Raman delle alterazioni biochimico-molecolari indotte dallo stress ossidativo nell’oocita di topo 53
Analysis of gene expression of ovine pre-implantation embryos derived from in vitro fertilization and parthenogenetic activation 53
NMR characterization of animals’ follicular fluids 53
In vitro oocyte maturation, fertilization and culture after ovum pick-up in an endangered gazelle (Gazella dama mhorr) 52
Cadmium effects on the in vitro maturation and fertilisation of ovine oocyte 52
Activity of maturation promoting factor (MPF) and mitogen-activated protein kinases (MAPK) during in vitro maturation of domestic cat oocytes 52
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 52
Influence of Culture Media on the Motility and Viability of Cryopreserved Stallion Spermatozoa 52
Vasoactive intestinal peptide influences hatching of ovine blastocysts 51
Espressione markers di pluripotenza in creste genitali di feti ovini di differenti età 51
Resumption of metabolic activity of vitrified/warmed ovine embryos 51
Membrane integrity and fertilizing potential of cryopreserved spermatozoa in European mouflon 50
Effect of cadmium on the development and DNA synthesis of mouse embryos cultured in vitro 50
Influence of co-culture with oviductal epithelial cells on in vitro maturation of canine oocytes 50
Maternal-fetal transplacental leakage of mitochondrial DNA in bovine nuclear transfer pregnancies: potential implications for offspring and recipients. CLONING AND STEM CELLS, 150-156, ISSN: 1536-2302 50
Two culture systems showing a biphasic effect on ovine embryo development from the 1-2 cell stage to hatched blastocysts | [DEUX SYSTEMES DE CULTURE MONTRANT UN EFFET BIPHASIQUE DANS RE DEVELOPPEMENT DES EMBRYONS OVINS DU STADE 1-2 CELLULES JUSQU'A L'ECLOSION.] 50
Potenziale utilizzo del seme crioconservato di muflone (Ovis g. musimon) nella conservazione di popolazioni geneticamente isolate e di ridotte dimensioni 50
Effect of exposure to CeO2 nanoparticles on ram spermatozoa during storage at 4 °C for 96 hours 50
Activity of maturation promoting factor (MPF) and mitogen activated protein kinase (MAPK) after parthenogenetic activation of ovine oocytes 49
Characterization, isolation and culture of primordial germ cells in domestic animals: recent progress and insights from the ovine species 49
Cell coupling and maturation-promoting factor activity in in vitro-matured prepubertal and adult sheep oocytes 49
Meiotic progression and developmental competence of oocytes collected from juvenile and adult ewes. 48
Osservazione preliminare sullo status del muflone nell'isola dell'Asinara attraverso il profilo metabolico. 48
Utilizzo del trealosio nella crioconservazione del seme di muflone (Ovis gmelini musimon) durante la stagione non riproduttiva 48
Graft of the cortex ovarian and ovary tranlation in sheep: anatomical and histopatological findings 48
HEMOGLOBIN PHENOTYPE OF THE WILD EUROPEAN MOUFLON SHEEP LIVING ON THE ISLAND OF SARDINIA 48
High in vitro survival rate of sheep in vitro produced blastocysts vitrified with a new method and device. 48
Lipid droplet distribution of immature canine oocytes in relation to their size and the reproductive stage. 48
Developmental asynchrony during in vitro culture of IVMF prepubertal and adult sheep oocytes 48
Negative effect of cumulus cells and cytochalasin on IVM and viability of vitrified immature sheep oocytes 48
Messenger RNA expression patterns of Interferon-tau, OCT 4 and Nanog in ovine preimplantation embryos derived from different origins 48
Cationi intraeritrocitari: diversità tra muflone e pecora sarda 48
A novel technique for in vitro maturation of sheep oocytes in a liquid marble microbioreactor. 48
Sheep embryos derived from FSH/eCG treatment have a lower in vitro viability after vitrification than those derived from FSH treatment 47
Effect of biopsy and vitrification on in vitro survival of ovine embryos at different stages of development 47
Haemoglobin phenotypes of the wild European mouflon sheep living on the island of Sardinia 47
Meiotic progression and developmental competence of juvenile and adult sheep oocytes 47
CRYOTOLERANCE AND GENE EXPRESSION OF IN VITRO PRODUCED PREPUBERTAL GOAT BLASTOCYSTS 47
I derivati ematici influenzano la ripresa metabolica e la vitalità dopo vitrificazione di embrioni di ovino prodotti in vitro 47
Vitrificazione di oociti di cavallo immaturi o dopo maturazione in vitro 47
Development of parthenogenetic and cloned ovine embryos: Effect of activation protocols 47
KINETICS OF THE ONTOGENIC AND REVERSIBLE HEMOGLOBIN SWITCHING IN THE MOUFLON (OVIS-MUSIMON) AND SHEEP X MOUFLON HYBRID 46
Developmental competence of sheep oocyte collected by OPU after different ovarian iperstimulation treatments 46
Effetto della fitoemoagglutinina sullo sviluppo embrionale in vitro di oociti di ovini prepuberi 46
Vitrification of immature ovine oocytes: analysis of cumulus-oocyte coupling, chromosome and microtubule distribution 46
Effect of two superovulatory treatments on survival rates of ovine embryos after vitrification 46
Totale 5.741
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Categoria #
all - tutte 53.115
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 53.115
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2019/20202.492 600 8 229 9 242 240 515 22 261 82 281 3
2020/20212.144 255 3 321 25 263 87 279 20 428 308 109 46
2021/20221.232 204 14 1 11 6 5 63 75 115 66 148 524
2022/20232.945 282 168 31 507 290 503 2 385 548 31 143 55
2023/2024796 146 78 17 48 80 144 9 14 3 9 73 175
2024/202580 80 0 0 0 0 0 0 0 0 0 0 0
Totale 11.546