Mechanistic study on the effect of hydroxypropyl corn starch, guar gum and compound phosphates on the freeze-thaw quality of quick-frozen kuey teow.

Kuey teow is one of the delicacies of Guangdong, China and is a gluten-free noodle dish made from rice. It has a short storage period and extending the shelf life by quick freezing induces quality deterioration due to temperature fluctuations. To improve its freeze-thaw frozen storage quality, this paper examined the effects of hydroxypropyl corn starch (HCS), guar gum (GG), and compound phosphates (CP) on the quality of quick-frozen kuey teow during freeze-thaw cycles.

Structural variations of rice starch affected by constant power microwave treatment.

Although lots of work has reported the structural variations of starch in microwave treatment, most of them are detected in the environment with non-constant microwave power and inhomogeneous heating, and the results are always in poor repeatability. In this study, the equipment with constant microwave power (CPM) and homogeneous heating was designed. And the phase transition of multi-scale structure of rice starch (30% moisture content) caused by CPM treatments with two heating modes, namely rapid microwave heating (RWH) and slow microwave heating (SWH) were investigated systematically.

[Attenuated total reflection-fourier transform infrared spectroscopic study of dried shark fin products].

Sixty-four pieces of shark fin dried products (including real, fake and artificial shark fin products) and real products coated with gelatin were rapidly and nondestructively analyzed by attenuated total reflection-Fourier transform infrared spectroscopy (ATR-FTIR). The characteristic of IR spectrograms among the above four kinds of samples were systematically studied and comparied, the results showed that the spectrograms of the same kind of samples were repeatable, and different kinds of shark fin products presented significant differences in the spectrograms, which mainly manifested as the specific absorption peaks of amido bonds in protein (1650, 1544 cm(-1)) and skeletal vibration in polysaccharide (1050 cm(-1)). The spectrograms of real shark fins were characterized by the strong absorption peaks of protein characteristic amide I and II absorbent (1650, 1544 cm(-1)) and relatively weak C--O--C vibration absorbent (1050 cm(-1)) owing to the high content of protein and relatively low level of polysaccharide.

[Association between single nucleotide polymorphisms in Wnk1 gene and ischemic stroke in Chinese Han population].

Objective: To investigate the association between single nucleotide polymorphisms (SNPs) in Wnk1 gene and ischemic stroke in Chinese Han population.

Methods: A hospital-based case-control study was carried out. The ischemic stroke group included 294 Chinese Han subjects, who were admitted with non-fatal ischemic stroke in departments of neurology of 5 hospitals in Xinjiang during January 2008 through December 2009.

Primary intracranial and spinal hydatidosis: a retrospective study of 21 cases.

Objective: To analyse the epidemiological characteristics, clinical symptoms, radiological aspects, treatments, and outcomes of primary central nervous system (CNS) hydatidosis and compare our results with those observed for secondary intracranial hydatidosis.

Patients And Methods: We retrospectively reviewed 21 cases of primary CNS hydatid cysts operated on at the First Affiliated Hospital of Xinjiang Medical University between 1996 and 2010.

Results: Of the 21 primary cases, the vast majority were intracranial hydatidosis patients (20 cases, 95·24%).

[Preparation and biological characteristics of a new doxorubicin-gelatin-microspheres for hepatic artery embolization].

Objective: To prepare a new doxorubicin-gelatin-microspheres (DR-GMs) suitable for hepatic artery chemoembolization.

Methods: Oxidized dextran and glutaraldehyde were used respectively as crosslinking agent for preparing DR-GMs. Orthogonal design was employed to optimize the preparation of the oxidized dextran cross-linked GMs.

Direct in vivo injection of 131I-GMS and its distribution and excretion in rabbit.

Aim: To explore the distribution and metabolism of (131)I-gelatin microspheres ((131)I-GMSs) in rabbits after direct injection into rabbits' livers.

Methods: Twenty-eight healthy New Zealand rabbits were divided into seven groups, with four rabbits per group. Each rabbit's hepatic lobes were directly injected with 41.

Proapoptotic and pronecrosis effect of different truncated hepatitis C virus core proteins.

Objective: To study the roles of different truncated hepatitis C virus (HCV) core proteins (CORE) in the pathogenesis of HCV persistent infection and hepatocellular carcinoma (HCC) and to assess intracellular localization in transiently transfected cells.

Methods: Seven truncated GFP (green fluorescent protein)-CORE fusion protein expression plasmids were constructed, which contained HCV CORE sequences derived from tumor tissues (BT) and non-tumor tissues (BNT) from one patient infected with HCV. Amino acid (aa) lengths were BT: 1-172 aa, 1-126 aa, 1-58 aa, 59-126 aa, 127-172 aa; BNT: 1-172 aa and C191: 1-172 aa respectively.