Chapter 01 Sensors for the Detection of Heavy Metal Contaminants in Water and Environment.- Chapter 02 Nanosensors for Heavy Metal Detection in Environmental Media: New Trends and Recent Advances.- Chapter 03 AIE-Based Fluorescent Nanosensors for the Detection of Heavy Metal Ions.- Chapter 04 Nanosensors based on lipid films for environmental applications.- Chapter 05 Novel Chemical Sensors Based On Green Composite Materials For Environmental Analysis.- Chapter 06 Toxicology and Safety Aspects of Nanosensor on Environment, Food and Agriculture.- Chapter 07 Nanosensors Used for Detection of Fertilizers and Other Agricultural Applications.- Chapter 08 Sensors for the Detection of Food Contaminants.- Chapter 09 Nanotechnology-Based Approaches for Sensing And Remediation of Mycotoxins in Food and Agriculture.- Chapter 10 Detection of toxic contaminant in food items.- Chapter 11 Nanosensors Based on Lipid Membranes for the Rapid Detection of Food Toxicants.- Chapter 12 Utility of Nanobiosensors in environmental analysis and Monitoring.