Results 71 to 80 of about 2,785,401 (324)

Sperm hyaluronidase is critical to mammals' fertilization for its ability to disperse cumulus–oocyte complex layer

open access: yesAsian Journal of Andrology, 2022
Glycosylphosphatidylinositol-anchored sperm hyaluronidases have long been believed to assist in sperm penetration through the cumulus–oocyte complex (COC); however, their role in mammalian fertilization remains unclear.
Dong-Won Seol   +8 more
doaj   +1 more source

Sustainable rubber production through good latex harvesting practices: An update on mature rubber fertilization effects on latex cell biochemistry and rubber yield potential [PDF]

open access: yes, 2013
From 2008 to 2012, under a joint funding by the Institut Français du Caoutchouc (IFC) and its affiliated societies (Michelin, SIPH and Socfinco), a network of large scale experiments has been set up and followed up in 5 agro-industrial plantations to ...
Cauchy, Thierry   +5 more
core  

Electroactive Metal–Organic Frameworks for Electrocatalysis

open access: yesAdvanced Functional Materials, EarlyView.
Electrocatalysis is crucial in sustainable energy conversion as it enables efficient chemical transformations. The review discusses how metal–organic frameworks can revolutionize this field by offering tailorable structures and active site tunability, enabling efficient and selective electrocatalytic processes.
Irena Senkovska   +7 more
wiley   +1 more source

Leguminous Alley Cropping Improves the Production, Nutrition, and Yield of Forage Sorghum

open access: yesAgronomy, 2019
This study aimed to evaluate the growth, production, and leaf contents of macronutrients, as well as the yield of forage sorghum cultivated on the alleys of Gliricidia (Gliricidia sepium (Jacq.) Kunth ex Walp.) and Leucaena (Leucaena leucocephala (Lam ...
Robson da Costa Leite   +7 more
doaj   +1 more source

The oral-aboral axis of a sea urchin embryo is specified by first cleavage [PDF]

open access: yes, 1989
Several lines of evidence suggest that the oral-aboral axis in Strongylocentrotus purpuratus embryos is specified at or before the 8-cell stage. Were the oral-aboral axis specified independently of the first cleavage plane, then a random association of ...
Britten, Roy J.   +3 more
core  

DNA fragmentation index (DFI) as a measure of sperm quality and fertility in mice. [PDF]

open access: yes, 2020
Although thousands of genetically modified mouse strains have been cryopreserved by sperm freezing, the likelihood of cryorecovery success cannot be accurately predicted using conventional sperm parameters.
Li, Ming-Wen, Lloyd, KC Kent
core   +1 more source

The effects of CO2, climate and land-use on terrestrial carbon balance, 1920-1992: An analysis with four process-based ecosystem models [PDF]

open access: yes, 2001
The concurrent effects of increasing atmospheric CO2 concentration, climate variability, and cropland establishment and abandonment on terrestrial carbon storage between 1920 and 1992 were assessed using a standard simulation protocol with four process ...
A. D. McGuire   +120 more
core   +2 more sources

Double Fertilization and Embryogenesis of Eustoma grandiflorum

open access: yesJournal of the Japanese Society for Horticultural Science, 2011
The double fertilization process and the development of endosperm and embryo were observed by microscopy in Eustoma grandiflorum. The flowers were fixed at various times after hand-pollination during stages of pollen tube extension, entry of pollen tubes into ovule, double fertilization, and early development of the embryo.
Qiuhong Wang   +3 more
openaire   +2 more sources

A Surface‐engineered Microfluidic Device for Antibody‐Mediated Negative Selection of High‐Quality Sperm for Assisted Reproduction

open access: yesAdvanced Functional Materials, EarlyView.
This study reports a microfluidic device with a functionalized surface utilizing a polyoxazoline coating and covalently immobilized gold nanoparticles and anti‐phosphatidylserine antibody. The device efficiently eliminates pre‐apoptotic and apoptotic spermatozoa and yields sperm with substantially improved quality and low DNA damage, offering a simple ...
Soraya Rasi Ghaemi   +5 more
wiley   +1 more source

The system of genetic exchange in Trypanosoma brucei and other trypanosomatids [PDF]

open access: yes, 2007
In this chapter, we discuss our current understanding of the systems of genetic exchange in trypanosomatids and the im-pact the recent genome projects have had on this area of research.
MacLeod, A., Tait, A., Turner, C.M.R.
core  

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