soluble vitamin and needed for the growth and repair of tissues in all parts of the body. AA has vital importance in processes of oxidation and reduction in human organism participating of several metabolic reactions. AA has also been used for the prevention and treatment of the common cold, mental illness, infertility, cancer and AIDS. Due to the great importance of AA in human beings, the qua...

OBJECTIVE The goal of this study was to characterize adenocarcinoma in situ (ACIS) and invasive adenocarcinoma (AdCa) of the cervix by using image histometric measurements of nuclear morphometric features. STUDY DESIGN Archival pathology slides and tissue blocks from 37 patients with ACIS, 18 with invasive AdCa, and 13 with normal cervical epithelial and glandular histology were reviewed by t...

Amyloid β-peptide (Aβ) in its oligomeric form is often considered as the most toxic species in Alzheimer's disease (AD), and thus Aβ oligomer is a potentially promising candidate biomarker for AD diagnosis. The development of a sensitive and reliable method for monitoring the Aβ oligomer levels in body fluids is an urgent requirement in order to predict the severity and progression at early or ...

An enzyme was recently described, benzoyl-CoA reductase (dearomatizing), which catalyses the ATP-driven reduction of the aromatic ring of benzoyl-CoA yielding a non-aromatic CoA thioester, ADP and phosphate [Boll, M. & Fuchs, G. (1995) Eur. J. Biochem. 234, 921-933]. The 170-kDa enzyme consists of four different subunits and contains approximately 12 Fe and acid-labile sulfur/mol. Benzoyl-CoA r...

A simple, sensitive and rapid method for determination of trace amounts of nitrite ion in real samples is reported. The reaction is initiated by adding known volumes of a nitrite ion solution of identified concentration to acidic solutions of thionine which causes decolorizaiton of reagent with time. The absorbance changes is then monitored spectrophotometrically at l...

Alzheimer’s disease (AD) is an irreversible and progressive neurodegenerative disorder, characterized by β-amyloid plaques, neurofibrillary tangles loss of cholinergic neurons. Butyrylcholinesterase (BChE) inhibition one the most critical strategy for treatment AD since BChE causes inactivation neurotransmitter acetylcholine has positive effects on promoting formation fibrils. Our previous stud...

As one of the most hazardous and deadliest pathogens, Listeria monocytogenes (LM) posed various serious diseases to human being, thus designing effective strategy for its detection is great significance. In this work, by preparing Ti3C2Tx MXenes nanoribbon (Ti3C2TxR) as carrier selecting thionine (Th) acted simultaneously signal probe functional monomer, a LM pathogen-imprinted polymers (PIP) i...

In this work, a sensitive dual mode competitive electrochemical immunosensor based on differential pulse voltammetry (DPV) and square wave (SWV) response modes for quantitative determination of dibutyl phthalate (DBP) was successfully established. According to diethylenetriamine (DETA) assisted hydrothermal strategy, novel N-doped graphene/CoSe2 nanobelt composite prepared. Afterwards, PEI func...