International scientific journal "Modern Science and Research"

ISSN: 2181-3906;   OAV Guvohnoma №042359;   Impact factor (UIF-2022): 8.2
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Jurnalning rasmiy tillari: o‘zbek, rus, ingliz
Jurnal telegram kanali: https://t.me/modernscience_research
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Maqolalar yuborish uchun: @modernscience_research
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Articles Information letter

Oxirgi qushilgan maqolalar:



DETERMINATION OF CU2+ AND ZN2+ IONS IN SAMPLES USING A UV/VIS SPECTROPHOTOMETER.

The determination of metal ions such as Cu²⁺ and Zn²⁺ in various samples is crucial for environmental monitoring, industrial quality control, and biomedical applications. This study explores the quantitative analysis of Cu²⁺ and Zn²⁺ ions using UV/Vis spectrophotometry, a rapid and reliable technique based on the absorption of light by metal-ligand complexes. Optimal conditions for the detection, including wavelength selection, reagent concentration, and pH, were investigated to enhance sensitivity and accuracy. Calibration curves were constructed to determine the linearity and detection limits for each ion. The method was applied to real samples, and results were validated against standard techniques. The findings demonstrate that UV/Vis spectrophotometry provides a cost-effective and efficient approach for Cu²⁺ and Zn²⁺ determination in various matrices.


22.02.2025 Volume 4 Issue 2 View more Download
PEDAGOG KASBIY KOMPETENTLIGINING TARKIBI

Pedagoglarning kasbiy kompetentligi asoslaridan biri o‘z tarkibida bilimlar, mahorat va shaxs sifatini belgilovchi unsur hisoblanib, ular doimo pedagogni harakatga keltirib turuvchi o‘z ustida ishlash, bilimlarini oshirib borish, har bir pedagogik vaziyatga ijodiy yondoshish hamda moslashish kabi imkoniyatlaridir.


21.02.2025 Volume 4 Issue 2 View more Download
GONOKOKKLARNING PATOGENLIK XUSUSIYATLARI FERMENTLARI VA TOKSINLARI

Ushbu maqolada gonokokklarning patogenlik xususiyatlari, fermentlari va toksinlari haqida so‘z boradi. Gonokokk infektsiyasi bakterial antroponotik kasallik bo‘lib, asosan jinsiy aloqa orqali yuqadi va siydik va reproduktiv tizimlarga ta’sir qiladi. Gonoreya juda yuqumli va har qanday jinsiy aloqa orqali yuqishi mumkin. Ammo, tarqalishiga qaramay (trichomoniasis va xlamidiyadan keyin uchinchi eng keng tarqalgan STI), kasallik davolanadi va juda kamdan-kam hollarda o'limga olib keladi. Gonokokklar odamda siydik-tanosil yoʻllari (soʻzaklar) va koʻz (blennoreyatsya) shilliq qavatining yiringli kasalliklarini qoʻzgʻatadi. Maqolaning mohiyatida gonokokklarning oldini olish va davolash chora tadbirlari to‘g‘risida fikr mulohaza yurutiladi.


21.02.2025 Volume 4 Issue 2 View more Download
THE ROLE AND FUNCTIONS OF MODERN COMPUTER TECHNOLOGIES IN THE DIAGNOSIS OF ARTERIAL HYPERTENSION DISEASES

Arterial hypertension is a chronic disease characterized by a blood pressure of 140/90 mmHg or higher in the arteries. This pathology is widespread worldwide and negatively impacts the functioning of vital organs such as the heart, blood vessels, and kidneys. The causes of hypertension are divided into two main types: primary (essential) and secondary. Among the primary risk factors, poor nutrition, sedentary lifestyle, genetics, and stress play a significant role. In the early stages of the disease, noticeable symptoms may not be observed, but symptoms such as headaches, dizziness, and palpitations can develop. Timely diagnosis and treatment, including adopting a healthy lifestyle, are crucial in preventing severe complications of hypertension. Modern computer technologies play an important role in diagnosing and managing hypertension. They ensure early detection of the disease, improve treatment quality, and enhance the quality of life for patients. Expanding the use of these technologies in medicine could significantly reduce hypertension-related complications in the future.


21.02.2025 Volume 4 Issue 2 View more Download
AVTOMOBIL YO‘LLARIDA ATROF-MUHITNI TARTIBGA SOLISH VA EKOLOGIK MUAMMOLAR

Hozirgi vaqtda avtomobil transporti inson hayoti uchun katta qulaylik yaratish bilan birga, atrof-muhitga ham sezilarli darajada zarar yetkazmoqda. Avtomobillarning ko‘payishi, yo‘llarning kengayishi va transport harakatining ortishi ekologik muammolarning keskinlashuviga sabab bo‘lmoqda. Ushbu maqolada avtomobil yo‘llari bilan bog‘liq asosiy ekologik muammolar va ularni hal etish bo‘yicha chora-tadbirlar tahlil qilinadi.


21.02.2025 Volume 4 Issue 2 View more Download
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