nuclear fast red
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2021 ◽  
Vol 5 (2) ◽  
pp. 159-163
Author(s):  
Putu Indrayoni ◽  
Ida Ayu Manik Damayanti

Latar Belakang : Diabetes mellitus merupakan sejumlah gangguan metabolisme yang ditandai dengan hiperglikemia pada kondisi tanpa penanganan. Diabetes ditandai dengan tingginya kadar glukosa plasma puasa ≥ 126 mg/dL atau kadar gula darah 2 jam setelah makan ≥ 200 mg/dL selama OGTT (oral glucose tolerance test) atau kadar A1C ≥ 6,5% atau adanya krisis hiperglikemia dengan glukosa plasma acak ≥ 200 mg/dL. Bahan makanan dan modifikasi gaya hidup yang berkaitan dengan suplai antioksidan mampu menjadi profilaksis yang efektif melawan stress oksidatif pada diabetes dan komplikasinya. Salah satu sumber antioksidan alami adalah daun Averrhoa bilimbi L. yang telah digunakan secara tradisional sebagai antidiabetes. Daun A. bilimbi L. mengandung alkaloid, tannin, saponin, flavonoid, glikosida jantung, glikosida, triterpene, fenol dan karbohidrat. Efek hipoglikemia dari A. bilimbi L. diakibatkan oleh kandungan flavonoid dan saponin.Metode : Penelitian ini menggunakan tikus hiperglikemia yang diinduksi aloksan.  Perlakuan diberikan selama 21 hari dan menggunakan glibenclamid (0,66 mg/kg BB) sebagai control positif. Pewarnaan preparate sel beta menggunakan metode Gomori Aldehyde Fuschine dan Nuclear Fast Red. Pengamatan terhadap jumlah sel beta pancreas tikus dilakukan pada hari ke 7 dan ke 21 dengan menentukan jumlah rerata sel beta yang teramati pada 3 layang pandang. Analisis statistic dilakukan menggunakan program SPSS for windows 16,0 version.Hasil : Penurunan jumlah sel beta pancreas terjadi secara bermakna pada kelompok control dibandingkan dengan kelompok perlakuan (p<0,05) yaitu sebesar 32,19%.Kesimpulan : Aktivitas antioksidan A. bilimbi L. mampu mencegah penurunan jumlah sel beta pada tikus hiperglikemia.







Luminescence ◽  
2019 ◽  
Vol 34 (7) ◽  
pp. 724-730
Author(s):  
Yuan Xiong ◽  
Yi Wang ◽  
Xue Han ◽  
Yao Ma ◽  
Han Fang Zhu ◽  
...  


2019 ◽  
Vol 12 (1) ◽  
pp. 79
Author(s):  
Aiman Zafar ◽  
Pratibha Ramani ◽  
Herald J Sherlin ◽  
Gheena ◽  
R Abhilasha ◽  
...  


2018 ◽  
pp. 43-47
Author(s):  
A. M. Yurkovskiy ◽  
S. L. Achinovich ◽  
I. V. Nazarenko

Objective: to develop a histochemical staining technique that allows to make a more complete evaluation of the morphological characteristics of both separate cells and tissue structures in comparison with other methods. Materials. Data from sectional examination of 70 subjects: 35 subjects of the control group (staining of ligament fragments in this group was carried out with hematoxylin-eosin) and 35 subjects of the main group (staining of ligament fragments in this group was performed with toluidine blue and nuclear strong red). Results. The range of values of the nuclear-cytoplasmic ratio when material was stained with toluidine blue and nuclear fast red was much narrower and contained less «emissions» than the range of values of the nuclear-cytoplasmic ratio when stained with hematoxylin-eosin: 0.46 ± 0.04 and 0.46 ± 0.07, respectively. Conclusion. The proposed new staining method makes it possible to get the preparation quickly (the time from the moment of taking the material till procurement of the finished preparation is about 3 hours), and besides, it ensures obtainment of data with a smaller spread of the values of the nuclear-cytoplasmic ratio in comparison with the traditional staining technique.





2015 ◽  
Vol 57 (40) ◽  
pp. 18897-18905 ◽  
Author(s):  
E. Deletze ◽  
A. Antoniadis ◽  
V. Kitsiou ◽  
E. Kostopoulou ◽  
D. Lutic ◽  
...  


2015 ◽  
Vol 69 (4) ◽  
Author(s):  
Yi Cui ◽  
Yi-Jun Gong ◽  
Li Su ◽  
Cheng-Ke Wu ◽  
Sheng-Bin Pang ◽  
...  

AbstractA novel fluorometric method for the determination of adenine was proposed, based on the fluorescence quenching of a nuclear fast red-silver complex as a small molecule optical probe in the presence of adenine. The characteristic spectra of absorption, resonance Rayleigh scattering (RRS) and the fluorescence of the system were analysed. Adenine, Ag



Talanta ◽  
2014 ◽  
Vol 130 ◽  
pp. 536-541 ◽  
Author(s):  
Yi Cui ◽  
Jie Yu ◽  
Suling Feng


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