Département de biologie: Recent submissions

Voici les éléments 21-40 de 1119

Etude des effets antibactériens de l’extrait hydroéthanolique de Salvadora persica sur quelques germes responsables des infections nosocomiales.

RAMDANE, KHEIRA; BELMOSTEFA, BOUCHRA (2024-06-24)

This study focused on the antibacterial effect of hydro-ethanolic extract of Salvadora persica on the growth of certain bacteria of clinical reference and respensable nosocomial infections namely: Staphylococcus.aureus, ...
SURVEILLANCE DES MARQUEURS TUMORAUX CHEZ DES PATIENTS ATTEINTS DE CANCER

REZALI, Yacine; KECHAR, Smail (2024-06-10)

Cancer research, a major public health issue, faces a rapidincrease in cases, having more thandoubled in recentyears. This multifactorial and multiphasicdisease poses complex challenges due to the heterogeneity of ...
Intérêt de la chimie des urines dans le diagnostic des infections urinaires

BOUGUESSA, NOR HOUDA; HAMMOU, DJOUHER (2024-06-23)

This study aims to evaluate the effectiveness of urine dipsticks for the rapid diagnosis of urinary tract infections (UTIs) by comparing their results with those of traditional urine culture methods. The study population ...
Isolement et caractérisation des rhizobactéries solubilisant le Zinc

BEKADA, Ahmed Abdelsamed Abdelbasat; BETTOUATI, Karima (2024-06-11)

The ability of bacteria to solubilize zinc is a crucial trait for plant nutrition, playing an essential role in providing this micronutrient. This study aims to isolate bacteria capable of solubilizing zinc and to identify ...
Évaluation de l’activité antifongique des huiles essentiels de Laurus nobilis pour le traitement des onychomycoses

ADDOU, Hadjer; BECHLAGHEM, Samia (2024-06-23)

This study focuses on evaluating the antifungal activity of the essential oils of Laurus nobilis L. for the treatment of onychomycoses. Our work concentrated on valorizing a plant species that grows spontaneously in the ...
Etude neurocomportementale et histologique de l’effet neuroprotecteur des noyaux de dattes (Phoenix dactylifera L.) chez le modèle Alzheimer étude in vivo

BELARBI, MERIEM (2024-06-23)

Today, medicinal plants are an essential source of new therapeutic molecules that are highly effective against many neurodegenerative diseases. Alzheimer's is a chronic disease that affects behaviour and leads to gnostic ...
ÉTUDE ETHNOBOTANIQUE, PHYTOCHIMIQUE ET ACTIVITÉS BIOLOGIQUES DE TROIS PLANTES MEDICINALES RECOLTÉES EN ALGÉRIE

BELLAKEHAL, HADJER; HAMMOU, IMANE (2024-06-12)

The Algerian flora appears as a rich and interesting source for complementary ethnomedical and phytochemical studies. Our study focused, on one hand, on an ethnobotanical survey conducted with 42 individuals (08 ...
Study of the intestinal microbiota in children suffering from respiratory pathologies

BENKEDADRA, NASSIMA; BELABIOD, SOUMIA (2024-06-13)

The Gut microbiota is a collection of diverse microorganisms that inhabit the gastrointestinal tract. They play a major role in metabolic functions, immune modulation, and inflammatory response. Multiple factors may ...
Production d’une boisson fermentée aromatisée aux dattes à partir de grains de kéfir

Aici, Nihad (2024-06-30)

The aim of this study is to investigate the impact inoculum volume on physicochemical The aim of this study is to investigate the impact inoculum volume on physicochemical The aim of this study is to investigate the impact ...
Création de Chocolats Enrichis en Bêta-Glucane Issu de l'Avoine : Procédé de préparation et perspective pour la sante.

BENHADIDA, Meriem; BENGULLA, Nourhane (2024-09-22)

This thesis explores the manufacture of a functional chocolate enriched with oat beta-glucan, focusing on its antioxidant and anti-diabetic properties. The first stage of the study involved extracting beta-glucan from oats ...
Élaboration d’une boisson fonctionnelle aux glucosinolates extraits des Brassicacées : processus de préparation et potentiel bienfait sur la santé

GHEZZALI, HADRIA; BOUTCHAICHA, SABRINA (2024-09-22)

The objective of this work is to create a new antioxidant and anti-inflammatory product based on green tea enriched with glucosinolates extracted from the seeds of broccoli (Brassica oleracea var. italica) and white mustard ...
ELABORATION DES AMORCES DU GENE RPSL EN VUE DE L’ETUDE DE LA RESISTANCE D’E.coli AUX ANTIBIOTIQUES

Farah, Nesrine; Belhachemi, Souhila (2024-06-12)

This work proposes an innovative approach to study antibiotic resistance in E. coli. E. coli resistance to antibiotics was investigated by focusing on the RPSL gene, which plays a crucial role in this process. In this ...
Etude d’une maladie génétique : le syndrome de Lesch-Nyhan/ /

BENAMARA, HADJER; BELGHACHEM, YAMNA (2024-06-20)

Lesch-Nyhan syndrome (LNS) is an X-linked recessive disorder affecting purine metabolism. It is caused by a mutation in the HPRT1 gene, located on the X chromosome in region Xq26. This mutation results in a partial or total ...
Sélection de quelques mutation phénotypique de Klebsiella pneumoniae et Staphylococcus aureus utilisant la mutagenèse UV

BENMAGHNIA, FATIMA; BEZAOUCH, FAIZA (2024)

This thesis aims to identify and study the effect of ultraviolet radiation on two types of selected bacteria (Staphylococcus aureus and Klebsiella pneumoniae). After being absorbed by the DNA, the latter changes its helical ...
Etude de l’effet thérapeutique des noyaux de dattes (Phoenix dactylifera L.) sur l’atténuation de l’altération de la mémoire induite par l’intoxication au D-galactose/AlCl3 chez la souris.

Bettahar, Wiame; Boudella, Ahlem (2024-06-23)

Medicinal plants are currently attracting research interest with a view to developing new therapeutic formulations based on natural molecules. In this context, we investigated the neurotherapeutic effect of the inedible ...
Suivi de la variation de quelques paramètres biochimiques (Urée et Créatinine sériques) de la fonction rénale chez les patients présentant une perturbation de l’ionogramme

BLIL, AMINA; DROUCHE, NOUR EL HOUDA FATIHA (2024-06-20)

The main objective of this study is to assess the variation in serum levels of urea and creatinine in patients with an electrolyte imbalance, including fluctuations in sodium, potassium, chloride, and calcium levels. The ...
Amplification du polymorphisme rs10050860 (C<T) du gène ERAP1 par PCR en temps réel en utilisant la technologie TaqMan

MEKDAD, SAFIA; RIF, FAIZA (2024-06-12)

Real-time PCR, a technique that has revolutionized molecular biology by using fluorescent markers, offers faster detection, greater sensitivity and more accurate quantification of nucleic acids. In this work, we opted to ...
Phytochimie et Activité Anti-hémolytique de l’Ortie brûlante « Urtica urens »

BELFADEL, FATIMA; SMAINE FERRAGUI, AICHA (2024)

The aim of this work is to identify phytochemical compounds and to estimate in vitro the anti-haemolytic activity of extracts from the aerial and underground parts of the burning nettle ‘Urtica urens L’ against haemolysis ...
Intérêt de l’estimation de l’indice triglycérides-glucose (TyG) dans la prédiction du risque cardiaque chez une population diabétique de l’ouest Algérien (Mostaganem)

AZREUG, NASSIMA; BERREZOUG, NOUR EL HOUDA (2024-06-12)

Diabetes increases the risk of numerous comorbidities and mortality, particularly cardiovascular diseases. The triglyceride-glucose index (TyG) is a simple and inexpensive indicator that appropriately screens for insulin ...
Isolement et identification biotechnologique des souches de Leuconostoc

Zafrane, khalida; Chergui, sihem (2024-06-11)

Lactic acid bacteria are known for their ability to produce active compounds during growth, i.e. organic acids that acidify the environment, and their use for a given industrial application is determined by their functional ...

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