[Identification and visual analysis of ginsenosides in multi-steamed roots of Panax quinquefolium based on UPLC-Q-TOF-MS/MS and MALDI-MSI].

This study aims to investigate the component variations and spatial distribution of ginsenosides in Panax quinquefolium roots during repeated steaming and drying. Ultra performance liquid chromatography quadrupole time-of-flight tandem mass spectrometry(UPLC-Q-TOF-MS/MS) was employed to identify the ginsenosides in the root extract. Matrix-assisted laser desorption/ionization mass spectrometry imaging(MALDI-MSI) was employed to visualize the spatial distribution and spatiotemporal changes of prototype ginsenosides and metabolites in P.

Effects of tail docking and/or teeth clipping on behavior, lesions, and physiological indicators of sows and their piglets.

To evaluate effects of tail docking and/or teeth clipping on sows and their piglets, a total of 24 sows and their 302 piglets at 3 days of age were randomly allocated to one of four treatments: teeth clipping and tail docking (TCTD), teeth clipping (TC), tail docking (TD), or intact teeth and tail (Intact). Behavior of piglets and sows, lesions on the body and tail of piglets and sows' teats were inspected. Heart rates of processed piglets were increased (p < .

Efficacy and Safety of Premixed Human Insulin Combined with Sulfonylureas in Type 2 Diabetic Patients Previously Poorly Controlled with Insulin.

Introduction: Some type 2 diabetes (T2DM) patients treated with premixed insulin alone or in combination with oral glucose-lowering agents (without sulfonylureas) cannot reach the required glucose targets. Clinical studies have demonstrated that diabetes patients treated with sulfonylureas achieve stable glycemic control, with a low hypoglycemic rate. The aim of our study was to evaluate the efficacy and safety of therapy with the combination of premixed insulin and sulfonylureas.

[Flow-injection chemiluminescence determination of trace copper on-line separation and enrichment by ion imprinted polymer].

In the present study, Cu(II)-imprinted polymer was prepared and used as an effective method for separation and enrichment of Cu (II) ion in samples. An on-line preconcentration and extraction flow-injection system using solid phase extraction (SPE) column packed with prepared ion imprinted polymer (IIP) was set up. The column was eluted with a mixture of ethanol and H2 SO4 after preconcentration.

[Effect of total saponins of Rubus parviflolius (TSRP) on change of hydrated amount and blood-brain barrier in rats during focal cerebral ischemic/reperfusion].

Objective: To explore the effects of total saponins of Rubus parviflolius (TSRP) on brain edema and blood brain barrier in rats.

Method: The model of local cerebral ischemia was established in rats by reversible inserting a nylon thread into the anterior cerebral artery through the internal carotid artery brain hydrated amount and content change of Evan' s blue (EB) in cortex subjected to 2h middle cererbral artery occlusion (MACO) followed by 6 h, 24 h, 48 h, 72 h reperfusion and effect of TSRP. penetrability of blood brain-barrier (BBB) the index includes brain hydrated amount and penetrability of blood brain-barrier BBB.

[Study on the determinations of Ni, Fe, Mo, Mn and B in Ti/TiC composite material by atomic emission spectrometry].

The present paper describes the determination of trace Ni, Fe, Mo, Mn and B in Ti/TiC composite material using carbon powder, calcium carbonate, cupric oxide and beryllium oxide-as buffer by atomic emission spectrometry (ASE). Be 298.61 nm was selected as internal standard line.

[Atomic emission spectrometry determination of Au, Pt and Pd after separation and enrichment by hyperbranched polymer].

The present paper shows that the trace amount of gold, platinum and palladium in hydrochloric acid solution can be concentrated by hyperbranched polymer. The new reagent has a rapid adsorption rate and big concentrating capacity. The determination of trace Au, Pt and Pd in sample using carbon powder and strontium carbonate as buffer was carried out by atomic emission spectrometry(AES).

[The preotective effects of total glycosides Rubus parviflolius on cerebral ischemic in rat].

Objective: To observe the protective effects of total glycosides Rubus parviflolius (TGRP) on local cerebral ischemic.

Method: The local cerebral ischemia in rat was made by middle cerebral artery occlusion(MACO). The infraction weight was determined by TTC stain.

[Determination of ten trace rare earth elements in the sample by atomic emission spectrometry].

This paper describes the determination of trace La, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Yb and Lu in the sample, using carbon powder, potassium sulfate, barium sulfate, strontium sulfate, and scandium chloride as buffer, by atomic emission spectrometry (AES). Scandium was selected as internal standard line. Sample separation and chemical treatment were not required.

[Determination of trace zirconium and hafniumin sample by atomic emission spectrometry].

This paper describes the determination of trace Zr and Hf in the sample using carbon powder and titanium oxide as the buffer by Atomic Emission Spectrometry (AES). Titanium was selected for the internal standard line. Sample separation and chemical treatment were not required.

[Determination of trace niobium and tantalum in rock sample by atomic emission spectrometry].

This paper describes the determination of trace Nb and Ta in sample using carbon powder and hafnium oxide as buffer by atomic emission spectrometry (AES). Hafnium has been selected as internal standard, since it has scinilar evaporation curve as those of Nb and Ta. Samples can be analyzed without chemical pretreatment.