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Tissue preparation

Xem 1-20 trên 64 kết quả Tissue preparation
  • The problem of transmission of intestinal microorganisms to tissues occurs when intestinal epithelial cells do not adhere tightly (tight junction), which is caused by improper nutrition, usually associated with poor mucosal status. The impact on maintaining its proper condition in the case of animals also depends on the proper preparation and fragmentation of the ingredients of the feed.

    pdf5p vigandhi 23-02-2022 2 0   Download

  • A variety of single-cell RNA preparation procedures have been described. So far, protocols require fresh material, which hinders complex study designs. We describe a sample preservation method that maintains transcripts in viable single cells, allowing one to disconnect time and place of sampling from subsequent processing steps.

    pdf15p vialfrednobel 29-01-2022 1 0   Download

  • Sheep is one of the ungulates and critical for animal husbandry development like on grassland, whereas there are few pieces of research about their heat responses to date. In the present study, we selected two sheep breeds consisting of Mongolian sheep with evolving cold resistibility and Dorper sheep specifically bred for heat tolerance to explore how the different breeds of sheep positively respond to heat conditions. Three Mongolian sheep and 3 Dorper sheep underwent 37 ℃ stress (2 h per day) during 4 weeks.

    pdf10p dolomite36 30-12-2021 2 0   Download

  • The fiber composite was found to have excellent biocompatibility with significant cell growth, while the MTX-loaded PVA/HAP/FA composite showed cytotoxicity against A459 cells. The prepared fibrous composites will serve as a superior biomaterial for osteosarcoma-diseased bone repair after evidencing of in-vivo and clinical trials.

    pdf8p meyerowitz 25-12-2021 3 0   Download

  • The evidence for a complete cellular remnant removal was shown through Hematoxylin and Eosin staining and DNA measurements. The AAM powder was prepared by mechanical disruption under reduced temperatures, which resulted in an AAM particle size in the range of 100 mm. In vitro cytotoxicity testing via extraction demonstrated that AAM had no toxicity on human adipose derived stem cells (hADSCs).

    pdf10p meyerowitz 25-12-2021 1 0   Download

  • A multiple epidermis in the green stems of Parkinsonia species has been described; however, there are disagreements among authors with regard to origin and tissues involved. The aims of this study were to identify the origin and development of the epidermis and cortex of P. praecox and relate these to possible adaptations to arid environments. Samples from new branches, to the stem, were removed and prepared using two embedding techniques. Our results show that the epidermis is simple, but periclinal divisions start far from the apical meristem.

    pdf9p tudichquannguyet 29-11-2021 0 0   Download

  • Artificially fabricated hydroxyapatite (HAP) shows excellent biocompatibility with various kinds of cells and tissues which makes it an ideal candidate for a bone substitute material. In this study, hydroxyapatite nanoparticles have been prepared by using the wet chemical precipitation method using calcium nitrate tetra-hydrate [Ca(NO3)2.4H2O] and di-ammonium hydrogen phosphate [(NH4)2HPO4] as precursors. The composite scaffolds have been prepared by a freeze-drying method with hydroxyapatite, chitosan, and gelatin which form a 3D network of interconnected pores.

    pdf17p tudichquannguyet 29-11-2021 1 0   Download

  • Human body is greatly exposed to aluminum due to its high abundance in the environment. This nonessential metal is a threat to the patients of chronic renal disorders, as it is easily retained in their plasma and quickly accumulates in different tissues. Thus, there is great need to remove it from the aqueous environment. In this study, Al3+ imprinted semiinterpenetrating polymer network (semi-IPN)-based cryogel composite was prepared and applied for the purification of environmental and drinking water samples from aluminum.

    pdf26p tudichquannguyet 29-11-2021 0 0   Download

  • The presence of heavy metals in environmental waters having an important place in the industrial waste is a major threat to viability. Heavy metals are transported to humans through the ecological cycle, damaging many tissues and organs. In recent years, agricultural and food waste can be used to remove heavy metals. At the present study, magnetically modified coffee grains which are alternative to conventional particle systems were prepared and heavy metal removal performances were investigated. The coffee grains used were magnetically modified by contact with water-based magnetic fluid.

    pdf10p tudichquannguyet 29-11-2021 2 0   Download

  • In this study, a fibrous bone tissue engineering scaffold was produced using poly(lactic-co-glycolic acid) (PLGA). Different concentrations (20%, 25%, and 30%) of PLGA (PLA:PGA 75:25) (Mw = 66,000–107,000) were wet spun using coagulation baths composed of different ratios (75:25, 60:40, 50:50) of isopropanol and distilled water. Scanning electron microscopy (SEM) and in vitro degradation studies were performed to characterize the fibrous PLGA scaffolds.

    pdf11p thiencuuchu 27-11-2021 2 0   Download

  • Cell type-specific ribosome-pulldown has become an increasingly popular method for analysis of gene expression. It allows for expression analysis from intact tissues and monitoring of protein synthesis in vivo. However, while its utility has been assessed, technical aspects related to sequencing of these samples, often starting with a smaller amount of RNA, have not been reported. In this study, we evaluated the performance of five library prep protocols for ribosome-associated mRNAs when only 250 pg-4 ng of total RNA are used.

    pdf16p vitzuyu2711 29-09-2021 4 0   Download

  • Interest in studying the spatial distribution of gene expression in tissues is rapidly increasing. Spatial Transcriptomics is a novel sequencing-based technology that generates high-throughput information on the distribution, heterogeneity and co-expression of cells in tissues.

    pdf10p vijeeni2711 24-07-2021 3 0   Download

  • Fruit and vegetable are highly perishable commodities as they are living tissues that are subject to continuous changes after harvest, because of their peculiar characteristics, i.e. high moisture content and rapid rate of metabolism, they are prone to deteriorate rapidly after harvest and also due to lack of adequate post harvest losses due to spoilage are very high.

    pdf9p chauchaungayxua10 18-03-2021 2 1   Download

  • Suitable three-dimensional scaffolds showing controllable drug delivery properties, known as multifunctional scaffolds, have gained increasing interest for soft tissue engineering. Here, tetracycline hydrochloride-encapsulated polylactic acid (TCH-PLA) microparticles prepared by using the double emulsion/solvent evaporation method were incorporated into a gelatin matrix.

    pdf9p larachdumlanat129 14-01-2021 4 0   Download

  • Different nutrient solutions alone or in combinations were applied as foliar spray on Asiatic lilium hybrid Tresor and evaluated for different characters. Plants sprayed with only water were taken as control. Other treatments were done with the dose of nutrients used in preparation of tissue culture Murashige and Skoog (MS) medium (1962) in different combinations.

    pdf7p caygaocaolon8 07-11-2020 7 1   Download

  • Imaging mass spectrometry (imaging MS) is an enabling technology for spatial metabolomics of tissue sections with rapidly growing areas of applications in biology and medicine. However, imaging MS data is polluted with off-sample ions caused by sample preparation, particularly by the MALDI (matrix-assisted laser desorption/ionization) matrix application.

    pdf11p vicolorado2711 22-10-2020 7 1   Download

  • Sixteen species of fish belong to nine families have been stained. This study focused, in particular, on two species which are Cyprinus carpio and Tilapia zilli due to their existence in the Iraqi internal waters. Alcian blue and Alizarin red have been used in staining the samples of study. This study was prepared to describe the differences between Cyprinus carpio and Tilapa zilli families. Some of the anatomic features have been appeared by which the diversity and the difference can be studied in the muscular tissue and the skeleton for both species and some other species of the study.

    pdf9p trinhthamhodang1215 23-09-2020 2 0   Download

  • Cucurbitaceae is the one of the elite family in the plant kingdom and have importance in its daily utilization for cuisine preparation as a source of vegetable and medicinal plant. This family consists of hundreds of edible species, qualitative and quantitative improvement plays a vital role in the processing industry and Indian medicine system of Ayurveda (AYUSH). Plant tissue culture techniques have been used extensively for propagation of cucurbitaceae by using various explants and methods from last few decades.

    pdf24p trinhthamhodang1215 23-09-2020 5 0   Download

  • The osteogenic capability of the scaffold is influenced by the interconnections between the scaffold pores which facilitate cell distribution, integration with the host tissue and capillary ingrowth. Hence, the preparation of bone scaffolds with applicable pore size and interconnectivity is a significant issue in bone tissue engineering

    pdf9p tamynhan4 06-09-2020 6 1   Download

  • Dietary selenium supplementation in the poultry has been regularly practiced using the inorganic and organic forms to enhance the growth and antioxidant defence system. These forms have the limitations of having narrow margin of safety and non specific binding to tissue proteins, hence an alternate form of selenium i.e. nano selenium having greater potential as poultry and livestock feed supplement with higher bioavailability, higher margin of safety and seven fold lower acute toxicity was prepared using starch, ascorbic acid and bovine serum albumin.

    pdf8p trinhthamhodang7 31-08-2020 5 0   Download

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