Results 21 to 30 of about 55,873 (238)

1H-NMR Profiling and Carbon Isotope Discrimination as Tools for the Comparative Assessment of Walnut (Juglans regia L.) Cultivars with Various Geographical and Genetic Origins—A Preliminary Study

open access: yesMolecules, 2019
The aim of the study was to investigate the differences between walnut genotypes of various geographical and genetic origins grown under the same or different environmental conditions.
Raluca Popescu   +7 more
doaj   +1 more source

Calcium (ca2+) oscillations and intensity in fresh embryo and vitrified embryos produced from intra-cytoplasmic sperm injection (isci) [PDF]

open access: yesKafkas Universitesi Veteriner Fakültesi Dergisi, 2021
This study aims to determine the intracellular calcium profile and viability of embryos produced by the Intra-Cytoplasmic Sperm Injection (ICSI) method. In this study, there were 2 groups (T1: fresh embryos, T2: embryos posts vitrification).
Widjiati WIDJIATI   +7 more
doaj   +1 more source

Nitrogen-Doped Graphene Oxide as Efficient Metal-Free Electrocatalyst in PEM Fuel Cells

open access: yesNanomaterials, 2023
Nitrogen-doped graphene is currently recognized as one of the most promising catalysts for the oxygen reduction reaction (ORR). It has been demonstrated to act as a metal-free electrode with good electrocatalytic activity and long-term operation ...
Adriana Marinoiu   +3 more
doaj   +1 more source

#269 : Replacing Crude ICSI: Improving Poor Egg Reserve and Poor Responder Patient Outcomes by Replacing Conventional ICSI with Positive Rheotaxis Extended Drop (PRED-ICSI) Technique

open access: yesFertility & Reproduction, 2023
Background and Aims: Positive rheotaxis extended drop (PRED) has been described by Martin et al, 2017 showing sperm with
Sayali Kandari, Kaushal Kadam
doaj   +1 more source

Occurrence and Distribution of Some Organic Contaminants in Sediments from Olt River, Romania

open access: yesProceedings, 2020
Organic contaminants (OCs) accumulate in the environment as a result of anthropogenic activities (industrial, agricultural, and household activities as well as auto traffic) and produce negative effects on the environment and humans. [...]
Corina Teodora Ciucure   +5 more
doaj   +1 more source

A novel stepwise micro-TESE approach in non obstructive azoospermia [PDF]

open access: yes, 2016
Background: The purpose of the study was to investigate whether micro-TESE can improve sperm retrieval rate (SRR) compared to conventional single TESE biopsy on the same testicle or to contralateral multiple TESE, by employing a novel stepwise micro ...
Casciani, V   +9 more
core   +2 more sources

Single-cell analysis of [Ca2+]i signalling in sub-fertile men:characteristics and relation to fertilization outcome [PDF]

open access: yes, 2018
STUDY QUESTIONWhat are the characteristics of progesterone-induced (CatSper-mediated) single cell [Ca2+]i signals in spermatozoa from sub-fertile men and how do they relate to fertilizing ability?SUMMARY ANSWERSingle cell analysis of progesterone-induced
Barratt, Christopher L.R.   +7 more
core   +4 more sources

To Be or not to Be? A Critical Appraisal of the Welfare of Children Conceived through New Reproductive Technologies [PDF]

open access: yes, 2008
Over three million children are believed to have been born worldwide - and over 200,000 annually - as a result of “new reproductive technologies” (NRTs).
Blyth, Eric
core   +1 more source

Male fertility: a summary overview of the publications April – September 2022

open access: yesВестник урологии, 2023
The article provides an overview of the most significant publications on male infertility. The main selection criteria were the practical relevance of the article, as well as the impact factor of the journal it was published, according to the SCImago ...
D. S. Rogozin
doaj   +1 more source

Speech and crosstalk detection in multichannel audio [PDF]

open access: yes, 2005
The analysis of scenarios in which a number of microphones record the activity of speakers, such as in a round-table meeting, presents a number of computational challenges.
Brown, G.J.   +3 more
core   +3 more sources

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