نتایج جستجو برای: freeze dried inserts
تعداد نتایج: 44508 فیلتر نتایج به سال:
STUDY DESIGN Controlled laboratory study. PURPOSE This study aimed to evaluate the efficacy of platelet-rich plasma (PRP) stored at room temperature (RT), frozen, or after freeze-drying. OVERVIEW OF LITERATURE PRP enriches tissue repair and regeneration, and is a novel treatment option for musculoskeletal pathologies. However, whether biological activity is preserved during PRP storage rema...
Ballistic powder injection is an emerging needle-free technology. Powder particles are accelerated towards the skin and penetrate the superficial layers. Biopharmaceuticals like vaccines can be placed into the epidermal layer of the skin, widely known to be an attractive site for immunization [1]. Beneath avoiding hazards associated with needle-stick injuries using conventional needles and syri...
In order to improve the gut microbiome of calves, probiotic bacteria can be fed as active livingcells (fermented milk), or as live but inactive (freeze-dried) cultures. Ten bifidobacterial strains with suitable probiotic properties (as determined in our previous study) were tested for survival during the freeze-drying process, and screened for their ability to ferment cow’s milk. The viability ...
saffron is an important spice values for its color, aroma and flavor in the food industry. a significant proportion of saffron compound is lost during processing and storage because of its volatility and sensitivity to oxidation. thepresent research microencapsulated saffron color compounds (crocin) by freeze drying. the freeze-dried aqueous saffron effective compound extract was first prepared...
(1) the secondary stage of freeze - drying, particularly the last day, is not important and i suggest the whole procedure is reduced to three days, the primary stage occupying two of these. (2) the mothod used obtains the satisfactory low level of residual moisture. resume (3) experiments on reconstitution with saline and distilled water show that distilled water is more satisfactory and i sugg...
Effects of drying methods on the physicochemical properties and antioxidant capacity of Kuini powder
Abstract Kuini powders were obtained through spray-drying, freeze-drying, vacuum oven drying and convection drying. Colour, water activity (Aw), moisture content, hygroscopicity, wettability, flowability, degree of caking, solubility index (WSI), total colour change, phenolic content carotenoid determined compared. Convection resulted in the highest yield (46.97%), (4.91%), Aw (0.55) WSI (74.33...
Sperm preservation is a useful technique for the maintenance of biological resources in experimental and domestic animals, and in wild animals. A new preservation method has been developed that enables sperm to be stored for a long time in a refrigerator at 4 °C. Sperm are freeze-dried in a solution containing 10 mM Tris and 1 mM EDTA. Using this method, liquid nitrogen is not required for the ...
BACKGROUND/AIMS Scant consideration has been given to the variation in structure of the human amniotic membrane (AM) at source or to the significance such differences might have on its clinical transparency. Therefore, we applied our experience of quantifying corneal transparency to AM. METHODS Following elective caesarean, AM from areas of the fetal sac distal and proximal (ie, adjacent) to ...
The effects of freeze-drying on antioxidant compounds and antioxidant activity of five tropical fruits, namely starfruit (Averrhoa carambola L.), mango (Mangifera indica L.), papaya (Carica papaya L.), muskmelon (Cucumis melo L.), and watermelon Citruluss lanatus (Thunb.) were investigated. Significant (p < 0.05) differences, for the amounts of total phenolic compounds (TPC), were found between...
Dried typhoid vaccines were prepared by freeze-drying of heat-inactivated phenolized-cell suspensions and by an acetone-killed and dried technique. Portions of the dried powder obtained by each method were compressed into tablets. Tests with the products showed that drying and making of tablets did not affect the ability of the vaccines to protect mice or elicit antibodies in rabbits.
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