نتایج جستجو برای: opa derivatization

تعداد نتایج: 4838  

Journal: :Biomedicine and chemical sciences 2023

The current study was conducted at University of Kufa, Faculty Science, Biology Department for molecular identification four Eruca sativa L. cultivars (1-Turish 2-Syrian 3-Turkish 4-Eygyptian) using eleven Random Amplified Polymorphic DNA. Results indicate primers OPA-04, OPA-10, OPA-02, OPW-04, OPC-09,v and OPD-13 success in giving all a unique fingerprint .Highest number main bands , polymorp...

2015
GyeYoon Cho KyuChul Han JinYoung Yoon

OBJECTIVES Scolopendra subspinipes mutilans (S. subspinipes mutilans) is known as a traditional medicine and includes various amino acids, peptides and proteins. The amino acids in the pharmacopuncture extracted from S. subspinipes mutilans by using derivatization methods were analyzed quantitatively and qualitatively by using high performance liquid chromatography (HPLC) over a 12 month period...

Journal: :iranian journal of pharmaceutical research 0
nasim samiei department of pharmaceutics, school of pharmacy, shahid beheshti university of medical sciences, tehran, iran. seyed mohsen foroutan department of pharmaceutics, school of pharmacy, shahid beheshti university of medical sciences, tehran, iran. alireza shafaati - afshin zarghi department of pharmaceutical chemistry, school of pharmacy, shahid beheshti university of medical sciences, tehran, iran.

a rapid, sensitive and reproducible hplc method was developed and validatedfor the analysis of amifostine (amf) and/or its metabolite, wr-1065 inhuman plasma. the method involves the alkylation of free sulfydryl group with iodoacetic acid followed by derivatization of the drug and its metabolite witho-phthaldialdehyde (opa) anduvdetection at 340 nm. the derivatized amf and wr-1065 were eluted i...

Journal: :Chest 2011
Kelly A Weir Sandra McMahon Simone Taylor Anne B Chang

BACKGROUND Limited information exists about the nature of and factors associated with oropharyngeal aspiration (OPA) and silent aspiration (SA) in children. A prospective study was undertaken to determine the factors associated with fluoroscopically identified OPA and SA. METHODS Three hundred children presenting with feeding difficulties underwent a videofluoroscopic swallow study (VFSS) for...

Journal: :Infection and immunity 2011
M J Callaghan S Lewis M Sadarangani S E S Bailey H Chan D J P Ferguson J P Derrick I Feavers M C Maiden A J Pollard

Neisseria meningitidis causes half a million cases of septicemia and meningitis globally each year. The opacity (Opa) integral outer membrane proteins from N. meningitidis are polymorphic and highly immunogenic. Particular combinations of Opa proteins are associated with the hyperinvasive meningococcal lineages that have caused the majority of serogroup B and C meningococcal disease in industri...

Journal: :Infection and immunity 2002
Martine P Bos David Kao Daniel M Hogan Christopher C R Grant Robert J Belland

Neisserial Opa proteins function as a family of adhesins that bind heparan sulfate proteoglycan (HSPG) or carcinoembryonic antigen family (CEACAM) receptors on human host cells. In order to define the CEACAM binding domain on Opa proteins, we tested the binding properties of a series of gonococcal (strain MS11) recombinants producing mutant and chimeric Opa proteins with alterations in one or m...

2013
P. Hoang P. Musumeci B. O’Shea J. Rosenzweig

A simple and robust ultrafast, high-peak-power 5-μm laser source for pumping a dielectric photonic structure for high-gradient electron acceleration has been designed and is being constructed. The 5-μm laser source consists of two components: (1) a type-II-BBO-based 2.05-μm optical parametric amplifier (OPA) as a pump source, and (2) a type-I-ZGP-based 5-μm OPA to produce mJ-class, <100 fs puls...

Journal: :Toxicological sciences : an official journal of the Society of Toxicology 2012
Stacey E Anderson Jennifer Franko Laurel G Jackson J R Wells Jason E Ham B J Meade

Over the last two decades, there has been an increasing awareness regarding the potential impact of indoor air pollution on human health. People working in an indoor environment often experience symptoms such as eye, nose, and throat irritation. Investigations into these complaints have ascribed the effects, in part, to compounds emitted from building materials, cleaning/consumer products, and ...

2013
Gökhan Pekel Semra Acer Ramazan Yagci Ebru Nevin Cetin Mehmet Can Hiraali Hüseyin Kaya

Purpose. This study examines the effects of fundus fluorescein angiography (FFA) procedure on ocular pulse amplitude (OPA) and intraocular pressure (IOP). Materials and Methods. Sixty eyes of 30 nonproliferative diabetic retinopathy patients (15 males, 15 females) were included in this cross-sectional case series. IOP and OPA were measured with the Pascal dynamic contour tonometer before and af...

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