Results 31 to 40 of about 1,041,491 (350)

Evaluation of phytotoxic potential and identification of phytotoxic substances in Cassia alata Linn. leaves

open access: yesActa Agriculturae Scandinavica. Section B, Soil and Plant Science, 2019
Cassia alata (Caesalpiniaceae) is a large perennial shrub native to tropical America. It is an important medicinal and ornamental plant and has been reported to possess several pharmacological properties. However, phytotoxic substances from C. alata have
Krishna Rany Das   +3 more
doaj   +1 more source

Purine and pyrimidine bases as growth substances for lactic acid bacteria [PDF]

open access: yes, 1941
In 1936 Richardson (1) showed that uracil was essential for the anaerobic growth of Staphylococcus aureus, but not for aerobic growth of the same organism.
Mitchell, Herschel K., Snell, Esmond E.
core  

Clinical Insights Into Hypercalcemia of Malignancy in Childhood

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Hypercalcemia of malignancy (HCM) is a rare but life‐threatening metabolic emergency in children that occurs in less than 1% of pediatric cancer cases, with a reported incidence ranging from 0.4% to 1.0% across different studies. While it is observed in 10%–20% of adult malignancies, pediatric HCM remains relatively uncommon.
Hüseyin Anıl Korkmaz
wiley   +1 more source

Improving Lowland Rice (O. sativa L. cv. MR219) Plant Growth Variables, Nutrients Uptake, and Nutrients Recovery Using Crude Humic Substances

open access: yesThe Scientific World Journal, 2015
High cation exchange capacity and organic matter content of crude humic substances from compost could be exploited to reduce ammonia loss from urea and to as well improve rice growth and soil chemical properties for efficient nutrients utilization in ...
Perumal Palanivell   +4 more
doaj   +1 more source

Phytochrome-controlled level of growth substances in etiolated oat seedlings

open access: yesActa Societatis Botanicorum Poloniae, 2014
Irradiation with red light of coleoptiles and leaves of etiolated oat seedlings, causing photoconversion of phytochrome mainly into Pfr, leads to the release of free auxins and free gibberellins from conjugated forms.
Jan Kopcewicz, Kazimierz Madela
doaj   +1 more source

Volatile emissions from Mycobacterium avium subsp. paratuberculosis mirror bacterial growth and enable distinction of different strains. [PDF]

open access: yesPLoS ONE, 2013
Control of paratuberculosis in livestock is hampered by the low sensitivity of established direct and indirect diagnostic methods. Like other bacteria, Mycobacterium avium subsp. paratuberculosis (MAP) emits volatile organic compounds (VOCs). Differences
Phillip Trefz   +6 more
doaj   +1 more source

Personalized Selumetinib Dosing in Pediatric Neurofibromatosis Type 1: Insights From a Pilot Therapeutic Drug Monitoring Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Objective To evaluate selumetinib exposure using therapeutic drug monitoring (TDM) in pediatric patients with neurofibromatosis type 1 (NF1) and plexiform neurofibromas (PN), assess interpatient pharmacokinetic variability, and explore the relationship between drug exposure, clinical response, and adverse effects.
Janka Kovács   +8 more
wiley   +1 more source

Plant gene bank collections - sources of variation in health substances [PDF]

open access: yes, 2007
Gene banks and national plant genetic resources programmes have been established to conserve genetic resources of domesticated plants. Variation of the beneficial health substances found in plants is the result of growing conditions (environment) and ...
Antonius, Kristiina
core  

Self-Wiring of Neural Networks

open access: yes, 1997
In order to form the intricate network of synaptic connections in the brain, the growth cones migrate through the embryonic environment to their targets using chemical communication.
Barrett   +14 more
core   +2 more sources

Intestinal macromolecular transport supporting adaptive immunity [PDF]

open access: yes, 2019
The gastrointestinal tract performs opposing functions of nutrient absorption, barrier maintenance, and the delivery of luminal substances for the appropriate induction of tolerogenic or protective adaptive immunity.
Kulkarni, Devesha H, Newberry, Rodney D
core   +2 more sources

Home - About - Disclaimer - Privacy