نتایج جستجو برای: osmotic potential
تعداد نتایج: 1083538 فیلتر نتایج به سال:
Background: Recurrent abortion is defined as three or more consecutive pregnancy losses. We aimed to determine the relationship between male sperm parameters and hypo-osmotic swelling score and recurrent abortion. We also studied whether washing of spermatozoa and intrauterine insemination in patients with recurrent miscarriage and low score hypo-osmotic swelling test in male partners could imp...
A method to detect osmotic pressure by analysing laser emission from hydrogel droplets encapsulated in an optical micro-resonator is demonstrated, illuminating the potential for on-chip sensing of body fluids and cellular environments.
Salinity significantly limits leaf photosynthesis but the factors causing the limitation in salt-stressed leaves remain unclear. In the present work, photosynthetic and biochemical traits were investigated in four rice genotypes under two NaCl concentration (0 and 150 mM) to assess the stomatal, mesophyll and biochemical contributions to reduced photosynthetic rate (A) in salt-stressed leaves. ...
Background and Objectives: Red beet juice, a potential source of valuable nutrients, is widely used as a colorant in food industries. In recent years, to avoid reduction of nutritional values of the red beet during concentration by thermal processing, an osmotic distillation (OD) technique has been suggested. Therefore, the major aim of the present study was to investigate effects of the flow r...
Osmotic dehydration is a process in which partial water is removed by immersion of water containing cellular solid in a concentrated aqueous solution of high osmotic media for a specified time and temperature. It has potential advantages of less heat damage, good blanching effect, less enzymatic browning, better retention of flavour and energy saving because no phase change occurs. Osmotic dehy...
A common test for the presence of toxic organic substances in plant tissues, and therefore of the potential role of antibiosis (specifically allelopathy) in native plant cozmmunities, has been to apply a water extract of the tissues in germination tests of cultivated annuals. The observed osmotic pressure of the extracts can be high, and sucrose solutions of similar osmotic pressure result in a...
Fundamental cryobiological characteristics of rhesus spermatozoa must be determined for successful cryopreservation techniques to be established. The main objectives of the present study were to determine the osmotic behavior and osmotic tolerance limits of rhesus macaque spermatozoa. Cell volume changes over anisotonic conditions were assessed using an electronic particle counter and sperm mot...
Pressure-volume curves and shoot water potentials were determined for black spruce (Picea mariana (Mill.) BSP) trees from four full-sib families at the Petawawa Research Forest, Ontario, Canada. Trees were sampled from a dry site in 1992 and from the dry site and a wet site in 1993. Modulus of elasticity (epsilon), osmotic potential at turgor loss point (Psi(tlp)) and relative water at turgor l...
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