Search results for "VITRO"
showing 10 items of 2786 documents
Augu audu kultūru izmantošana retās piekrastes sugas Eryngium maritimum bioloģijas pētījumos
2022
Jūrmalas zilpodze (Eryngium maritimum L.) ir Latvijā reti sastopama un apdraudēta augu suga. Pēdējās desmitgadēs sugas izplatības areāla ziemeļaustrumu daļā zilpodzes indivīdu skaits un izplatība ir samazinājies. Par galveno iemeslu tam uzskata problēmas ar ģeneratīvo vairošanos. Ar anatomiskās izpētes palīdzību secināja, ka zilpodzes saknes satur veģetatīvās vairošanās struktūras. Audu kultūru eksperimentos noskaidroja, ka zilpodzes sakņu ievadīšanai piemērotākā apstrāde ir ar HgCl2, bet zilpodzes pavairošanai un apsakņošanai piemērotākā ir Murashige & Skoog barotnes modifikācija ar pievienotu 6-benzilaminopurīnu. Lai pārliecinātos par audu kultūrā ilgstoši uzglabāta zilpodzes materiāla ģe…
Oral Mucosa of celiac disease patients produces anti-endomysial and anti-transglutaminase antibodes. Diagnostic usefulness of an in vitro culture sys…
2007
Micropropagazione di Thymus capitatus
2011
Thymus capitatus is a compact woody shrub, endemic to the Mediterranean region, with attractive pink flowers. Although conventional vegetative propagation of T. capitatus is currently used, micropropagation could be effective for rapid mass propagation of selected clones and would preserve wild plants. Shoot tips of T. capitatus cultured on a gelled MS medium, supplemented with 0.4 mg l-1 2-iP, were used as primary explants to establish in vitro culture. Axillary shoots produced on uncontaminated explants were excised and subcultured to increase the stock of shoot cultures. To determine the optimal medium for shoot multiplication, increasing concentrations (0, 0.4, 0.8, 1.6 e 3.2 mg l-1) of…
Research on conversion of Carrizo citrange [C. sinensis (L.) Osb. × P. trifoliata (L.) Raf.] synthetic seeds.
2008
Valutazione in vitro di bacteriocin-like inhibitory substances prodotte da batteri lattici isolati da formaggi tradizionali siciliani
2015
I batteri lattici (LAB) sono in grado di produrre differenti sostanze antimicrobiche tra cui le batteriocine, sostanze di natura proteica che stanno riscuotendo un crescente interesse per il loro possibile impiego come bio-conservanti per controllare e contenere i microrganismi indesiderati responsabili di contaminazioni e/o deterioramento delle matrici alimentari. Gli autori descrivono i risultati di uno screening volto all’identificazione di bacteriocin-like inhibitory substances (BLIS) prodotte da LAB isolati da processi produttivi di formaggi tradizionali siciliani utilizzando due metodi di screening e valutando la natura proteica delle sostanze antimicrobiche eventualmente prodotte, me…
Salt release monitoring with specific sensors in "in vitro" oral and digestive environments from soft cheeses
2012
International audience; The objective of the present work is to demonstrate the interest and the feasibility of the measurement of NaCl concentrations in soft cheeses and in particular an in vitro digestion process by the use of chemical sensors. The analyzed matrices were the commercial Italian mozzarella cheeses and domestic cheese base models. The classification of mozzarellas was performed according to their salinity, while the breakdown of cheese base models has been followed both at initial steps of digestion in artificial mouth dispositive mimicking the oral sphere and in a gut-imitating digester (TIM-1). During the breakdown of soft cheese in the digester, the estimated values for N…
Colon Bioaccessibility under In Vitro Gastrointestinal Digestion of Different Coffee Brews Chemically Profiled through UHPLC-Q-Orbitrap HRMS
2021
Coffee represents one of the most traditionally consumed beverages worldwide, containing a broad range of human health&ndash
Melleņu ģints ogu spiedpalieku ekstraktu ietekme uz dziļās glikēšanas gala produktu veidošanos un beta amiloīdproteīna agregāciju in vitro
2020
Bakalaura darbā tika pētīta Vaccinium ģints piecu ogu izspaidu ekstraktu spēja inhibēt advancēto glikēšanas gala produktu (AGE) un Abeta proteīna 1-42 agregātu veidošanos in vitro. Ekstraktu efektus pētījām uz AGE veidošanos seruma albumīna un metilglioksāla reakcijā un uz Abeta 1-42 spontāno agregāciju paaugstinātā temperatūrā un reakcijā ar metilglioksālu. Iegūtie rezultāti parāda, ka pētītie ogu ekstrakti inhibē AGE un Abeta 1-42 agregātu veidošanos. Melleņu ekstrakts efektīvāk par citiem ekstraktiem inhibēja AGE veidošanos, salīdzinot ar kontroli, bet Abeta 1-42 agregāciju visefektīvāk inhibēja lielogu dzērveņu un purva dzērveņu ogu izspaidu ekstrakti.