نتایج جستجو برای: 20 beta

تعداد نتایج: 783725  

Journal: :Catalysis Communications 2022

The conversion of biomass into fuel under typical refinery conditions is a promising solution to decrease carbon footprint. Herein we convert representative compound new bio-petroleum, DX (1,2:3,5-di-O-isopropylidene-α-D-xylofuranose) mixture with n-hexane. Firstly fresh zeolites (Beta, ZSM-5 and USY) were explored. Beta zeolite showed high performance in converting hydrocarbons. Thus it was fu...

Journal: :Circulation 2001
P K Coussement H de Leon T Ueno M Y Salame S B King N A Chronos K A Robinson

BACKGROUND Long-term biological effects of ionizing radiation on coronary arteries remain poorly defined. We examined late arterial responses 6 months after balloon angioplasty and beta-radiation in normal pig coronary arteries. METHODS AND RESULTS Coronary arteries of 25 adult pigs were randomized to receive 20 Gy (n=8) or 30 Gy (n=9) of (186)Re beta-radiation or sham radiation (n=8) immedia...

Journal: :The Indian journal of medical research 2009
Tomás Jirásek Simon Cipro A Musilová M Kubecová V Mandys

BACKGROUND & OBJECTIVE Expression of class III beta-tubulin represents newly discovered marker of resistance to taxol-based chemotherapy in a wide spectra of carcinomas. However, very little is known about its expression in colorectal carcinomas. This study was done to determine class III beta-tubulin expression in a large series of colonic carcinomas, covering tumours with different degree of ...

Journal: : 2023

Objectives: To establish reference ranges for serum bone turnover markers including Osteocalcin (OC), Procollagen type 1 amino-terminal propeptide (P1NP), and Beta-CrossLaps (beta-CTX) in premenopausal women at University Medical Center, Ho Chi Minh City. Methods: A cross-sectional study was conducted on 157 aged 20 to 44 years City from December 2022 February 2023. Demographic information, bio...

Background: Social capital has been defined as norms, networks, and social links that facilitate collective actions. Social capital is related to a number of main social and public health variables. Therefore, the present study aimed to determine the factors associated with social capital among the residents of Tehran, Iran.   Methods: In this large cross-sectional population-based stud...

Journal: :Biopolymers 2009
Zeeshan Ahmed Jonathan P Scaffidi Sanford A Asher

We used electronic circular dichroism (CD) and UV resonance Raman (UVRR) spectroscopy at 204 nm excitation to examine the temperature dependence of conformational changes in cyclic and linear elastin peptides. We utilize CD spectroscopy to study global conformation changes in elastin peptides, while UVRR is utilized to probe the local conformation and hydrogen bonding of Val and Pro peptide bon...

Journal: :Journal of lipid research 2006
David Hollenback Lynn Bonham Laura Law Eddie Rossnagle Lisa Romero Heather Carew Christopher K Tompkins David W Leung Jack W Singer Thayer White

Membranes of mammalian cells contain lysophosphatidic acid acyltransferase (LPAAT) activities that catalyze the acylation of sn-1-acyl lysophosphatidic acid (lysoPA) to form phosphatidic acid. As the biological roles and biochemical properties of the six known LPAAT isoforms have yet to be fully elucidated, we have characterized human LPAAT-beta activity using two different assays. In a membran...

In this study, variation of beta-glucan content was assessed in 20 barley line and cultivars based on complete block design with three replications. Genetic diversity of these genotypes was also evaluated using ISSR markers. Beta-glucan extracted by an enzymatic method. Significant differences were found at the level of 1% among barley genotypes for beta-glucan content. The beta glucan content ...

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